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antibodies against asic3  (Alomone Labs)


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    Structured Review

    Alomone Labs antibodies against asic3
    <t>ASIC3‐expressing</t> nociceptors are activated in the DRG and contribute to incision‐induced postoperative pain. (A–C) Representative c‐Fos immunostaining images and quantification in WT DRG sections on postoperative day 1. Scale bar = 20 µm, 20 × objective, zoom = 1.97 ×. Unpaired t tests; n = 4 mice/group, 3–4 sections/mouse. (D–F) Western blot analysis of ASIC3 expression in WT mouse DRG and spinal dorsal horn (SDH) on postoperative day 1. Unpaired t tests; n = 5 mice/group. (G,H) ASIC3 protein levels in the DRG of littermate WT mice and Trpv1 ; Cnr1 fl/fl mice on day 1 post‐incision. Unpaired t tests; n = 5 mice/group. (I) i.pl. injection of the selective ASIC3 blocker APETx2 on postoperative day 1 robustly reverses mechanical allodynia in WT mice. (J) PWT following i.pl. injection of the ASIC3 blocker APETx2 in naïve Trpv1 ; Cnr1 fl/fl mice. Two‐way ANOVA with Sidak's test for multiple comparisons; * p < 0.05, ** p < 0.01. n = 6–11 mice/group; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle.
    Antibodies Against Asic3, supplied by Alomone Labs, used in various techniques. Bioz Stars score: 93/100, based on 33 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/asc/Anti-ASIC3+Antibody/pmc13616247-251-24-28
    Average 93 stars, based on 33 article reviews
    antibodies against asic3 - by Bioz Stars, 2026-10
    93/100 stars

    Images

    1) Product Images from "Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition"

    Article Title: Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition

    Journal: Advanced Science

    doi: 10.1002/advs.77925

    ASIC3‐expressing nociceptors are activated in the DRG and contribute to incision‐induced postoperative pain. (A–C) Representative c‐Fos immunostaining images and quantification in WT DRG sections on postoperative day 1. Scale bar = 20 µm, 20 × objective, zoom = 1.97 ×. Unpaired t tests; n = 4 mice/group, 3–4 sections/mouse. (D–F) Western blot analysis of ASIC3 expression in WT mouse DRG and spinal dorsal horn (SDH) on postoperative day 1. Unpaired t tests; n = 5 mice/group. (G,H) ASIC3 protein levels in the DRG of littermate WT mice and Trpv1 ; Cnr1 fl/fl mice on day 1 post‐incision. Unpaired t tests; n = 5 mice/group. (I) i.pl. injection of the selective ASIC3 blocker APETx2 on postoperative day 1 robustly reverses mechanical allodynia in WT mice. (J) PWT following i.pl. injection of the ASIC3 blocker APETx2 in naïve Trpv1 ; Cnr1 fl/fl mice. Two‐way ANOVA with Sidak's test for multiple comparisons; * p < 0.05, ** p < 0.01. n = 6–11 mice/group; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle.
    Figure Legend Snippet: ASIC3‐expressing nociceptors are activated in the DRG and contribute to incision‐induced postoperative pain. (A–C) Representative c‐Fos immunostaining images and quantification in WT DRG sections on postoperative day 1. Scale bar = 20 µm, 20 × objective, zoom = 1.97 ×. Unpaired t tests; n = 4 mice/group, 3–4 sections/mouse. (D–F) Western blot analysis of ASIC3 expression in WT mouse DRG and spinal dorsal horn (SDH) on postoperative day 1. Unpaired t tests; n = 5 mice/group. (G,H) ASIC3 protein levels in the DRG of littermate WT mice and Trpv1 ; Cnr1 fl/fl mice on day 1 post‐incision. Unpaired t tests; n = 5 mice/group. (I) i.pl. injection of the selective ASIC3 blocker APETx2 on postoperative day 1 robustly reverses mechanical allodynia in WT mice. (J) PWT following i.pl. injection of the ASIC3 blocker APETx2 in naïve Trpv1 ; Cnr1 fl/fl mice. Two‐way ANOVA with Sidak's test for multiple comparisons; * p < 0.05, ** p < 0.01. n = 6–11 mice/group; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle.

    Techniques Used: Expressing, Immunostaining, Western Blot, Analysis, Injection

    The activation of CB 1 Rs inhibits ASIC3‐mediated nociceptive behavior. (A) Schematic of the GMQ test for assessing ASIC3‐driven nociception. (B,C) i.pl. GMQ evokes robust licking behavior and mechanical allodynia in WT mice. (D) Pretreatment with WIN (i.pl.) 15 min dose‐dependent inhibits 60 nmol GMQ‐induced licking behaviors in WT mice (left: time course; right: total licking time). (E,F) Pretreatment with WIN (i.pl.) fails to suppress GMQ‐induced licking in Adv ; Cnr1 fl/fl mice and Trpv1 ; Cnr1 fl/fl mice. (G) Pretreatment with WIN (i.pl.) 15 min alleviated GMQ‐induced mechanical allodynia in WT but not in Trpv1 ; Cnr1 fl/fl mice. (B–G) Two‐way ANOVA with Sidak correction for multiple comparisons or One‐way ANOVA with Tukey's multiple comparisons test; * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001. Sample sizes are indicated in parentheses. (H) Strategy of constructing Trpv1 ;iDTR mice. (I,J) Immunofluorescence verification of TRPV1 + neuron ablation in DRG. Scale bar = 50 µm, 20 × objective, zoom = 1.28 ×. Unpaired t tests; n = 6 mice/group; 4–5 sections/mouse. (K) GMQ‐induced licking behaviors attenuated in Trpv1 ;iDTR mice. Unpaired t tests; n = 10 mice/group; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle; WIN, WIN 55,212‐2.
    Figure Legend Snippet: The activation of CB 1 Rs inhibits ASIC3‐mediated nociceptive behavior. (A) Schematic of the GMQ test for assessing ASIC3‐driven nociception. (B,C) i.pl. GMQ evokes robust licking behavior and mechanical allodynia in WT mice. (D) Pretreatment with WIN (i.pl.) 15 min dose‐dependent inhibits 60 nmol GMQ‐induced licking behaviors in WT mice (left: time course; right: total licking time). (E,F) Pretreatment with WIN (i.pl.) fails to suppress GMQ‐induced licking in Adv ; Cnr1 fl/fl mice and Trpv1 ; Cnr1 fl/fl mice. (G) Pretreatment with WIN (i.pl.) 15 min alleviated GMQ‐induced mechanical allodynia in WT but not in Trpv1 ; Cnr1 fl/fl mice. (B–G) Two‐way ANOVA with Sidak correction for multiple comparisons or One‐way ANOVA with Tukey's multiple comparisons test; * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001. Sample sizes are indicated in parentheses. (H) Strategy of constructing Trpv1 ;iDTR mice. (I,J) Immunofluorescence verification of TRPV1 + neuron ablation in DRG. Scale bar = 50 µm, 20 × objective, zoom = 1.28 ×. Unpaired t tests; n = 6 mice/group; 4–5 sections/mouse. (K) GMQ‐induced licking behaviors attenuated in Trpv1 ;iDTR mice. Unpaired t tests; n = 10 mice/group; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle; WIN, WIN 55,212‐2.

    Techniques Used: Activation Assay, Immunofluorescence

    CB 1 R and ASIC3 are co‐expressed in CGRP + neurons. (A) t‐SNE visualizations Trpv1 , Calca (encoding CGRP), Cnr1 , and Asic3 expression in adult mouse DRG neurons, based on a published single‐cell RNA‐seq dataset ( https://kleintools.hms.harvard.edu/tools/springViewer_1_6_dev.html?datasets/Sharma2019/adult ). (B,C) Representative combined ASIC3/CGRP immunofluorescence and Cnr1 RNAscope in situ hybridization images in DRG sections and quantification. Scale bars = 20 µm, 20 × objective, zoom = 2.84 ×; n = 5 mice/group, 3–5 sections/mouse. (D) UMAP plot revealing the Asic3 gene is rarely expressed in cells of the mice spinal cord. (E) Immunofluorescence staining of the spinal dorsal horn from WT mice for ASIC3 together with IB4, CGRP, and NF200. Scale bars = 100 µm, 20 × objective. Zoomed‐in views of the boxed regions, scale bars = 20 µm, zoom = 4.25 ×.
    Figure Legend Snippet: CB 1 R and ASIC3 are co‐expressed in CGRP + neurons. (A) t‐SNE visualizations Trpv1 , Calca (encoding CGRP), Cnr1 , and Asic3 expression in adult mouse DRG neurons, based on a published single‐cell RNA‐seq dataset ( https://kleintools.hms.harvard.edu/tools/springViewer_1_6_dev.html?datasets/Sharma2019/adult ). (B,C) Representative combined ASIC3/CGRP immunofluorescence and Cnr1 RNAscope in situ hybridization images in DRG sections and quantification. Scale bars = 20 µm, 20 × objective, zoom = 2.84 ×; n = 5 mice/group, 3–5 sections/mouse. (D) UMAP plot revealing the Asic3 gene is rarely expressed in cells of the mice spinal cord. (E) Immunofluorescence staining of the spinal dorsal horn from WT mice for ASIC3 together with IB4, CGRP, and NF200. Scale bars = 100 µm, 20 × objective. Zoomed‐in views of the boxed regions, scale bars = 20 µm, zoom = 4.25 ×.

    Techniques Used: Expressing, Single Cell, RNA Sequencing, Immunofluorescence, RNAscope, In Situ Hybridization, Staining

    CB 1 R physically interacts with ASIC3 and inhibits its channel function. (A‐C) Co‐immunoprecipitation (Co‐IP) of endogenous CB 1 R and ASIC3 proteins from WT mouse DRG lysates. Unpaired t tests; n = 5 samples/group; 3 mice/sample. (D‐F) Reciprocal Co‐IP of HA‐tagged CB 1 R and Flag‐tagged ASIC3 heterologously expressed in CHO cells. (G‐J) Representative traces and quantifications of pretreatment with 10 µM WIN (2 min) to 3 mM GMQ (10 s)‐induced inward current in CHO cells. Paired/unpaired t tests; n = 13–14 cells/groups. (K‐N) Representative traces and quantifications of pretreatment with 10 µM WIN (2 min) to the extracellular solution at pH 6.0‐induced inward current in CHO cells. Paired/unpaired t tests; n = 8–13 cells/groups; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.
    Figure Legend Snippet: CB 1 R physically interacts with ASIC3 and inhibits its channel function. (A‐C) Co‐immunoprecipitation (Co‐IP) of endogenous CB 1 R and ASIC3 proteins from WT mouse DRG lysates. Unpaired t tests; n = 5 samples/group; 3 mice/sample. (D‐F) Reciprocal Co‐IP of HA‐tagged CB 1 R and Flag‐tagged ASIC3 heterologously expressed in CHO cells. (G‐J) Representative traces and quantifications of pretreatment with 10 µM WIN (2 min) to 3 mM GMQ (10 s)‐induced inward current in CHO cells. Paired/unpaired t tests; n = 13–14 cells/groups. (K‐N) Representative traces and quantifications of pretreatment with 10 µM WIN (2 min) to the extracellular solution at pH 6.0‐induced inward current in CHO cells. Paired/unpaired t tests; n = 8–13 cells/groups; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.

    Techniques Used: Co-Immunoprecipitation Assay

    CB 1 R activation suppresses ASIC3‐mediated sensory neuron excitability. (A) Strategy of constructing Adv;Rosa26 GCaMP6f mice for calcium imaging. (B) Representative traces of GMQ and KCl‐evoked calcium transients. Scale bars = 50 µm, 20 × objective, zoom = 1.3 ×. (C) ΔF/F0 traces from cultured DRG neurons of Adv;Rosa26 GCaMP6f mice in response to sequential application of the ASIC3 agonist GMQ and KCl. (D) Quantification of the area under the curve (AUC) for GMQ‐evoked calcium transients. (E) Proportion of GMQ‐responsive neurons among total KCl‐responsive neurons. Unpaired t tests; n = 10–12 slides/group. (F,G) Representative action potential traces and quantification of firing frequency in cultured WT DRG neurons following treatment with GMQ (3 mM) alone or in combination with WIN (10 µM). Two‐way ANOVA with Sidak correction for multiple comparisons; n = 10–14 cells/group from 3 mice. (H,I) Representative traces and quantifications of rheobase of cultured WT DRG neurons. (J) Quantifications of resting membrane potentials (RMP) of cultured WT DRG neurons after different treatments. One‐way ANOVA with Tukey's multiple comparisons test; n = 10–14 cells/group from 3 mice; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.
    Figure Legend Snippet: CB 1 R activation suppresses ASIC3‐mediated sensory neuron excitability. (A) Strategy of constructing Adv;Rosa26 GCaMP6f mice for calcium imaging. (B) Representative traces of GMQ and KCl‐evoked calcium transients. Scale bars = 50 µm, 20 × objective, zoom = 1.3 ×. (C) ΔF/F0 traces from cultured DRG neurons of Adv;Rosa26 GCaMP6f mice in response to sequential application of the ASIC3 agonist GMQ and KCl. (D) Quantification of the area under the curve (AUC) for GMQ‐evoked calcium transients. (E) Proportion of GMQ‐responsive neurons among total KCl‐responsive neurons. Unpaired t tests; n = 10–12 slides/group. (F,G) Representative action potential traces and quantification of firing frequency in cultured WT DRG neurons following treatment with GMQ (3 mM) alone or in combination with WIN (10 µM). Two‐way ANOVA with Sidak correction for multiple comparisons; n = 10–14 cells/group from 3 mice. (H,I) Representative traces and quantifications of rheobase of cultured WT DRG neurons. (J) Quantifications of resting membrane potentials (RMP) of cultured WT DRG neurons after different treatments. One‐way ANOVA with Tukey's multiple comparisons test; n = 10–14 cells/group from 3 mice; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.

    Techniques Used: Activation Assay, Imaging, Cell Culture, Membrane

    CB 1 R inhibits incision and ASIC3‐mediated ERK 1/2 phosphorylation. (A,B) Representative pERK 1/2 immunostaining images and quantifications in DRG sections of WT mice on postoperative day 1 and treated with intraplantar injection of WIN. Scale bar = 50 µm, 20 × objective, zoom = 1.28 ×. n = 5 mice/group, 3–4 sections/mouse. (C,D) Western blot analysis and quantification of pERK 1/2 in DRG from mice treated with intraplantar injection of APETx2 on postoperative day 1. n = 8 mice/group. (E,F) pERK 1/2 levels in DRGs from WT and ASIC3 KO mice on postoperative day 1. n = 8 mice/group. (G,H) Representative pERK 1/2 immunostaining and quantification in DRG after intraplantar injection of GMQ 30 min. Scale bar = 50 µm, 20 × objective, zoom = 1.46 ×. n = 4 mice/group, 4–5 sections/mouse. (I,J) Western blot analysis of pERK 1/2 in DRG from mice treated with GMQ alone or in combination with WIN. n = 4 mice/group. (K,L) pERK 1/2 levels in cultured DRG neurons stimulated with 3 mM GMQ in the presence or absence of 10 µM WIN. n = 9 wells/group. One‐way ANOVA with Tukey's multiple comparisons test; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.
    Figure Legend Snippet: CB 1 R inhibits incision and ASIC3‐mediated ERK 1/2 phosphorylation. (A,B) Representative pERK 1/2 immunostaining images and quantifications in DRG sections of WT mice on postoperative day 1 and treated with intraplantar injection of WIN. Scale bar = 50 µm, 20 × objective, zoom = 1.28 ×. n = 5 mice/group, 3–4 sections/mouse. (C,D) Western blot analysis and quantification of pERK 1/2 in DRG from mice treated with intraplantar injection of APETx2 on postoperative day 1. n = 8 mice/group. (E,F) pERK 1/2 levels in DRGs from WT and ASIC3 KO mice on postoperative day 1. n = 8 mice/group. (G,H) Representative pERK 1/2 immunostaining and quantification in DRG after intraplantar injection of GMQ 30 min. Scale bar = 50 µm, 20 × objective, zoom = 1.46 ×. n = 4 mice/group, 4–5 sections/mouse. (I,J) Western blot analysis of pERK 1/2 in DRG from mice treated with GMQ alone or in combination with WIN. n = 4 mice/group. (K,L) pERK 1/2 levels in cultured DRG neurons stimulated with 3 mM GMQ in the presence or absence of 10 µM WIN. n = 9 wells/group. One‐way ANOVA with Tukey's multiple comparisons test; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.

    Techniques Used: Phospho-proteomics, Immunostaining, Injection, Western Blot, Analysis, Cell Culture

    Repeated targeting of the CB 1 R‐ASIC3 axis accelerates the resolution of incision‐induced postoperative pain. (A) Experimental timeline depicting plantar incision, daily intraplantar drug administration, and behavioral assessment. (B,C) Mechanical paw withdrawal threshold (PWT) and response frequency to a 0.4 g von Frey filament in mice receiving daily intraplantar injection of the CB 1 R agonist WIN or the CB 1 R antagonist AM251. (D,E) PWT and 0.4 g‐evoked response frequency in mice treated daily with the ASIC3 blocker APETx2 or the ASIC3 agonist GMQ. (F,G) PWT and 0.4 g‐evoked response frequency in WT mice and ASIC3 KO mice following plantar incision. Two‐way ANOVA with Sidak multiple comparisons. * p < 0.05, ** p < 0.01, *** p < 0.001, and **** p < 0.0001. Sample sizes are indicated in parentheses; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle; WIN, WIN 55,212‐2. (H) Proposed model of CB 1 R‐mediated postoperative analgesia in nociceptors through ASIC3 inhibition. In the mouse DRG, CB 1 R and ASIC3 are prominently co‐expressed in CGRP‐positive nociceptors. Plantar incision triggers an upregulation of ASIC3 and subsequent activation of ASIC3‐expressing neurons, thereby driving postoperative mechanical allodynia. Activation of nociceptor CB 1 R suppresses both ASIC3 channel function and ASIC3‐driven ERK 1/2 phosphorylation, thereby braking nociceptive signaling and accelerating pain resolution. This intrinsic CB 1 R‐ASIC3 regulatory module thus represents a pivotal endogenous analgesic mechanism and a promising therapeutic target for the management of postoperative pain. H, Created with BioRender.com, https://BioRender.com/eft35rm .
    Figure Legend Snippet: Repeated targeting of the CB 1 R‐ASIC3 axis accelerates the resolution of incision‐induced postoperative pain. (A) Experimental timeline depicting plantar incision, daily intraplantar drug administration, and behavioral assessment. (B,C) Mechanical paw withdrawal threshold (PWT) and response frequency to a 0.4 g von Frey filament in mice receiving daily intraplantar injection of the CB 1 R agonist WIN or the CB 1 R antagonist AM251. (D,E) PWT and 0.4 g‐evoked response frequency in mice treated daily with the ASIC3 blocker APETx2 or the ASIC3 agonist GMQ. (F,G) PWT and 0.4 g‐evoked response frequency in WT mice and ASIC3 KO mice following plantar incision. Two‐way ANOVA with Sidak multiple comparisons. * p < 0.05, ** p < 0.01, *** p < 0.001, and **** p < 0.0001. Sample sizes are indicated in parentheses; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle; WIN, WIN 55,212‐2. (H) Proposed model of CB 1 R‐mediated postoperative analgesia in nociceptors through ASIC3 inhibition. In the mouse DRG, CB 1 R and ASIC3 are prominently co‐expressed in CGRP‐positive nociceptors. Plantar incision triggers an upregulation of ASIC3 and subsequent activation of ASIC3‐expressing neurons, thereby driving postoperative mechanical allodynia. Activation of nociceptor CB 1 R suppresses both ASIC3 channel function and ASIC3‐driven ERK 1/2 phosphorylation, thereby braking nociceptive signaling and accelerating pain resolution. This intrinsic CB 1 R‐ASIC3 regulatory module thus represents a pivotal endogenous analgesic mechanism and a promising therapeutic target for the management of postoperative pain. H, Created with BioRender.com, https://BioRender.com/eft35rm .

    Techniques Used: Injection, Inhibition, Activation Assay, Expressing, Phospho-proteomics

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    Immunofluorescence:

    Article Title: The sodium/glucose cotransporter 2 inhibitor empagliflozin is a pharmacological chaperone of cardiac Na v 1.5 channels.
    Article Snippet: .. Subsequently, the cells were incubated with the ASC-005 anti-Nav1.5 rabbit primary antibody (Alomone Labs, diluted 1:100 in PBS) for 1 h at room temperature.This antibodywas chosenbecause ithadpreviously been successfully used by others in immunofluorescence and Western blot studies with cardiomyocytes (4, 20, 29). .. After H682 AJP-Heart Circ Physiol doi:10.1152/ajpheart.00363.2025 www.ajpheart.org Downloaded from journals.physiology.org/journal/ajpheart (2402:0800:6343:D9BD:F8C0:1976:187F:9724) on October 14, 2025. incubationwith the primary antibody, the cells were washed three timeswithPBS and then exposed to adonkeyanti-rabbit secondary antibody conjugated to Alexa Fluor Plus 555 (Cat. No.A32794; ThermoFisher Scientific; diluted 1:500 inPBS) for 1 h at room temperature.

    Western Blot:

    Article Title: The sodium/glucose cotransporter 2 inhibitor empagliflozin is a pharmacological chaperone of cardiac Na v 1.5 channels.
    Article Snippet: .. Subsequently, the cells were incubated with the ASC-005 anti-Nav1.5 rabbit primary antibody (Alomone Labs, diluted 1:100 in PBS) for 1 h at room temperature.This antibodywas chosenbecause ithadpreviously been successfully used by others in immunofluorescence and Western blot studies with cardiomyocytes (4, 20, 29). .. After H682 AJP-Heart Circ Physiol doi:10.1152/ajpheart.00363.2025 www.ajpheart.org Downloaded from journals.physiology.org/journal/ajpheart (2402:0800:6343:D9BD:F8C0:1976:187F:9724) on October 14, 2025. incubationwith the primary antibody, the cells were washed three timeswithPBS and then exposed to adonkeyanti-rabbit secondary antibody conjugated to Alexa Fluor Plus 555 (Cat. No.A32794; ThermoFisher Scientific; diluted 1:500 inPBS) for 1 h at room temperature.



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    Image Search Results


    ASIC3‐expressing nociceptors are activated in the DRG and contribute to incision‐induced postoperative pain. (A–C) Representative c‐Fos immunostaining images and quantification in WT DRG sections on postoperative day 1. Scale bar = 20 µm, 20 × objective, zoom = 1.97 ×. Unpaired t tests; n = 4 mice/group, 3–4 sections/mouse. (D–F) Western blot analysis of ASIC3 expression in WT mouse DRG and spinal dorsal horn (SDH) on postoperative day 1. Unpaired t tests; n = 5 mice/group. (G,H) ASIC3 protein levels in the DRG of littermate WT mice and Trpv1 ; Cnr1 fl/fl mice on day 1 post‐incision. Unpaired t tests; n = 5 mice/group. (I) i.pl. injection of the selective ASIC3 blocker APETx2 on postoperative day 1 robustly reverses mechanical allodynia in WT mice. (J) PWT following i.pl. injection of the ASIC3 blocker APETx2 in naïve Trpv1 ; Cnr1 fl/fl mice. Two‐way ANOVA with Sidak's test for multiple comparisons; * p < 0.05, ** p < 0.01. n = 6–11 mice/group; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle.

    Journal: Advanced Science

    Article Title: Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition

    doi: 10.1002/advs.77925

    Figure Lengend Snippet: ASIC3‐expressing nociceptors are activated in the DRG and contribute to incision‐induced postoperative pain. (A–C) Representative c‐Fos immunostaining images and quantification in WT DRG sections on postoperative day 1. Scale bar = 20 µm, 20 × objective, zoom = 1.97 ×. Unpaired t tests; n = 4 mice/group, 3–4 sections/mouse. (D–F) Western blot analysis of ASIC3 expression in WT mouse DRG and spinal dorsal horn (SDH) on postoperative day 1. Unpaired t tests; n = 5 mice/group. (G,H) ASIC3 protein levels in the DRG of littermate WT mice and Trpv1 ; Cnr1 fl/fl mice on day 1 post‐incision. Unpaired t tests; n = 5 mice/group. (I) i.pl. injection of the selective ASIC3 blocker APETx2 on postoperative day 1 robustly reverses mechanical allodynia in WT mice. (J) PWT following i.pl. injection of the ASIC3 blocker APETx2 in naïve Trpv1 ; Cnr1 fl/fl mice. Two‐way ANOVA with Sidak's test for multiple comparisons; * p < 0.05, ** p < 0.01. n = 6–11 mice/group; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle.

    Article Snippet: The sections were blocked for 1 h in 5% donkey serum (SL050, Solarbio) with 0.1% Triton X‐100 and incubated overnight at 4°C with primary antibodies against ASIC3 (ASC‐018, Alomone), c‐Fos (226017, SYSY), TRPV1 (ab6166, Abcam), CGRP (ab47027, Abcam), IB4 (L2895, Sigma), NF200 (N0142, Sigma), and pERK 1/2 (9101S, Cell Signaling Technology) at 4°C overnight.

    Techniques: Expressing, Immunostaining, Western Blot, Analysis, Injection

    The activation of CB 1 Rs inhibits ASIC3‐mediated nociceptive behavior. (A) Schematic of the GMQ test for assessing ASIC3‐driven nociception. (B,C) i.pl. GMQ evokes robust licking behavior and mechanical allodynia in WT mice. (D) Pretreatment with WIN (i.pl.) 15 min dose‐dependent inhibits 60 nmol GMQ‐induced licking behaviors in WT mice (left: time course; right: total licking time). (E,F) Pretreatment with WIN (i.pl.) fails to suppress GMQ‐induced licking in Adv ; Cnr1 fl/fl mice and Trpv1 ; Cnr1 fl/fl mice. (G) Pretreatment with WIN (i.pl.) 15 min alleviated GMQ‐induced mechanical allodynia in WT but not in Trpv1 ; Cnr1 fl/fl mice. (B–G) Two‐way ANOVA with Sidak correction for multiple comparisons or One‐way ANOVA with Tukey's multiple comparisons test; * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001. Sample sizes are indicated in parentheses. (H) Strategy of constructing Trpv1 ;iDTR mice. (I,J) Immunofluorescence verification of TRPV1 + neuron ablation in DRG. Scale bar = 50 µm, 20 × objective, zoom = 1.28 ×. Unpaired t tests; n = 6 mice/group; 4–5 sections/mouse. (K) GMQ‐induced licking behaviors attenuated in Trpv1 ;iDTR mice. Unpaired t tests; n = 10 mice/group; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle; WIN, WIN 55,212‐2.

    Journal: Advanced Science

    Article Title: Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition

    doi: 10.1002/advs.77925

    Figure Lengend Snippet: The activation of CB 1 Rs inhibits ASIC3‐mediated nociceptive behavior. (A) Schematic of the GMQ test for assessing ASIC3‐driven nociception. (B,C) i.pl. GMQ evokes robust licking behavior and mechanical allodynia in WT mice. (D) Pretreatment with WIN (i.pl.) 15 min dose‐dependent inhibits 60 nmol GMQ‐induced licking behaviors in WT mice (left: time course; right: total licking time). (E,F) Pretreatment with WIN (i.pl.) fails to suppress GMQ‐induced licking in Adv ; Cnr1 fl/fl mice and Trpv1 ; Cnr1 fl/fl mice. (G) Pretreatment with WIN (i.pl.) 15 min alleviated GMQ‐induced mechanical allodynia in WT but not in Trpv1 ; Cnr1 fl/fl mice. (B–G) Two‐way ANOVA with Sidak correction for multiple comparisons or One‐way ANOVA with Tukey's multiple comparisons test; * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001. Sample sizes are indicated in parentheses. (H) Strategy of constructing Trpv1 ;iDTR mice. (I,J) Immunofluorescence verification of TRPV1 + neuron ablation in DRG. Scale bar = 50 µm, 20 × objective, zoom = 1.28 ×. Unpaired t tests; n = 6 mice/group; 4–5 sections/mouse. (K) GMQ‐induced licking behaviors attenuated in Trpv1 ;iDTR mice. Unpaired t tests; n = 10 mice/group; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle; WIN, WIN 55,212‐2.

    Article Snippet: The sections were blocked for 1 h in 5% donkey serum (SL050, Solarbio) with 0.1% Triton X‐100 and incubated overnight at 4°C with primary antibodies against ASIC3 (ASC‐018, Alomone), c‐Fos (226017, SYSY), TRPV1 (ab6166, Abcam), CGRP (ab47027, Abcam), IB4 (L2895, Sigma), NF200 (N0142, Sigma), and pERK 1/2 (9101S, Cell Signaling Technology) at 4°C overnight.

    Techniques: Activation Assay, Immunofluorescence

    CB 1 R and ASIC3 are co‐expressed in CGRP + neurons. (A) t‐SNE visualizations Trpv1 , Calca (encoding CGRP), Cnr1 , and Asic3 expression in adult mouse DRG neurons, based on a published single‐cell RNA‐seq dataset ( https://kleintools.hms.harvard.edu/tools/springViewer_1_6_dev.html?datasets/Sharma2019/adult ). (B,C) Representative combined ASIC3/CGRP immunofluorescence and Cnr1 RNAscope in situ hybridization images in DRG sections and quantification. Scale bars = 20 µm, 20 × objective, zoom = 2.84 ×; n = 5 mice/group, 3–5 sections/mouse. (D) UMAP plot revealing the Asic3 gene is rarely expressed in cells of the mice spinal cord. (E) Immunofluorescence staining of the spinal dorsal horn from WT mice for ASIC3 together with IB4, CGRP, and NF200. Scale bars = 100 µm, 20 × objective. Zoomed‐in views of the boxed regions, scale bars = 20 µm, zoom = 4.25 ×.

    Journal: Advanced Science

    Article Title: Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition

    doi: 10.1002/advs.77925

    Figure Lengend Snippet: CB 1 R and ASIC3 are co‐expressed in CGRP + neurons. (A) t‐SNE visualizations Trpv1 , Calca (encoding CGRP), Cnr1 , and Asic3 expression in adult mouse DRG neurons, based on a published single‐cell RNA‐seq dataset ( https://kleintools.hms.harvard.edu/tools/springViewer_1_6_dev.html?datasets/Sharma2019/adult ). (B,C) Representative combined ASIC3/CGRP immunofluorescence and Cnr1 RNAscope in situ hybridization images in DRG sections and quantification. Scale bars = 20 µm, 20 × objective, zoom = 2.84 ×; n = 5 mice/group, 3–5 sections/mouse. (D) UMAP plot revealing the Asic3 gene is rarely expressed in cells of the mice spinal cord. (E) Immunofluorescence staining of the spinal dorsal horn from WT mice for ASIC3 together with IB4, CGRP, and NF200. Scale bars = 100 µm, 20 × objective. Zoomed‐in views of the boxed regions, scale bars = 20 µm, zoom = 4.25 ×.

    Article Snippet: The sections were blocked for 1 h in 5% donkey serum (SL050, Solarbio) with 0.1% Triton X‐100 and incubated overnight at 4°C with primary antibodies against ASIC3 (ASC‐018, Alomone), c‐Fos (226017, SYSY), TRPV1 (ab6166, Abcam), CGRP (ab47027, Abcam), IB4 (L2895, Sigma), NF200 (N0142, Sigma), and pERK 1/2 (9101S, Cell Signaling Technology) at 4°C overnight.

    Techniques: Expressing, Single Cell, RNA Sequencing, Immunofluorescence, RNAscope, In Situ Hybridization, Staining

    CB 1 R physically interacts with ASIC3 and inhibits its channel function. (A‐C) Co‐immunoprecipitation (Co‐IP) of endogenous CB 1 R and ASIC3 proteins from WT mouse DRG lysates. Unpaired t tests; n = 5 samples/group; 3 mice/sample. (D‐F) Reciprocal Co‐IP of HA‐tagged CB 1 R and Flag‐tagged ASIC3 heterologously expressed in CHO cells. (G‐J) Representative traces and quantifications of pretreatment with 10 µM WIN (2 min) to 3 mM GMQ (10 s)‐induced inward current in CHO cells. Paired/unpaired t tests; n = 13–14 cells/groups. (K‐N) Representative traces and quantifications of pretreatment with 10 µM WIN (2 min) to the extracellular solution at pH 6.0‐induced inward current in CHO cells. Paired/unpaired t tests; n = 8–13 cells/groups; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.

    Journal: Advanced Science

    Article Title: Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition

    doi: 10.1002/advs.77925

    Figure Lengend Snippet: CB 1 R physically interacts with ASIC3 and inhibits its channel function. (A‐C) Co‐immunoprecipitation (Co‐IP) of endogenous CB 1 R and ASIC3 proteins from WT mouse DRG lysates. Unpaired t tests; n = 5 samples/group; 3 mice/sample. (D‐F) Reciprocal Co‐IP of HA‐tagged CB 1 R and Flag‐tagged ASIC3 heterologously expressed in CHO cells. (G‐J) Representative traces and quantifications of pretreatment with 10 µM WIN (2 min) to 3 mM GMQ (10 s)‐induced inward current in CHO cells. Paired/unpaired t tests; n = 13–14 cells/groups. (K‐N) Representative traces and quantifications of pretreatment with 10 µM WIN (2 min) to the extracellular solution at pH 6.0‐induced inward current in CHO cells. Paired/unpaired t tests; n = 8–13 cells/groups; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.

    Article Snippet: The sections were blocked for 1 h in 5% donkey serum (SL050, Solarbio) with 0.1% Triton X‐100 and incubated overnight at 4°C with primary antibodies against ASIC3 (ASC‐018, Alomone), c‐Fos (226017, SYSY), TRPV1 (ab6166, Abcam), CGRP (ab47027, Abcam), IB4 (L2895, Sigma), NF200 (N0142, Sigma), and pERK 1/2 (9101S, Cell Signaling Technology) at 4°C overnight.

    Techniques: Co-Immunoprecipitation Assay

    CB 1 R activation suppresses ASIC3‐mediated sensory neuron excitability. (A) Strategy of constructing Adv;Rosa26 GCaMP6f mice for calcium imaging. (B) Representative traces of GMQ and KCl‐evoked calcium transients. Scale bars = 50 µm, 20 × objective, zoom = 1.3 ×. (C) ΔF/F0 traces from cultured DRG neurons of Adv;Rosa26 GCaMP6f mice in response to sequential application of the ASIC3 agonist GMQ and KCl. (D) Quantification of the area under the curve (AUC) for GMQ‐evoked calcium transients. (E) Proportion of GMQ‐responsive neurons among total KCl‐responsive neurons. Unpaired t tests; n = 10–12 slides/group. (F,G) Representative action potential traces and quantification of firing frequency in cultured WT DRG neurons following treatment with GMQ (3 mM) alone or in combination with WIN (10 µM). Two‐way ANOVA with Sidak correction for multiple comparisons; n = 10–14 cells/group from 3 mice. (H,I) Representative traces and quantifications of rheobase of cultured WT DRG neurons. (J) Quantifications of resting membrane potentials (RMP) of cultured WT DRG neurons after different treatments. One‐way ANOVA with Tukey's multiple comparisons test; n = 10–14 cells/group from 3 mice; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.

    Journal: Advanced Science

    Article Title: Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition

    doi: 10.1002/advs.77925

    Figure Lengend Snippet: CB 1 R activation suppresses ASIC3‐mediated sensory neuron excitability. (A) Strategy of constructing Adv;Rosa26 GCaMP6f mice for calcium imaging. (B) Representative traces of GMQ and KCl‐evoked calcium transients. Scale bars = 50 µm, 20 × objective, zoom = 1.3 ×. (C) ΔF/F0 traces from cultured DRG neurons of Adv;Rosa26 GCaMP6f mice in response to sequential application of the ASIC3 agonist GMQ and KCl. (D) Quantification of the area under the curve (AUC) for GMQ‐evoked calcium transients. (E) Proportion of GMQ‐responsive neurons among total KCl‐responsive neurons. Unpaired t tests; n = 10–12 slides/group. (F,G) Representative action potential traces and quantification of firing frequency in cultured WT DRG neurons following treatment with GMQ (3 mM) alone or in combination with WIN (10 µM). Two‐way ANOVA with Sidak correction for multiple comparisons; n = 10–14 cells/group from 3 mice. (H,I) Representative traces and quantifications of rheobase of cultured WT DRG neurons. (J) Quantifications of resting membrane potentials (RMP) of cultured WT DRG neurons after different treatments. One‐way ANOVA with Tukey's multiple comparisons test; n = 10–14 cells/group from 3 mice; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.

    Article Snippet: The sections were blocked for 1 h in 5% donkey serum (SL050, Solarbio) with 0.1% Triton X‐100 and incubated overnight at 4°C with primary antibodies against ASIC3 (ASC‐018, Alomone), c‐Fos (226017, SYSY), TRPV1 (ab6166, Abcam), CGRP (ab47027, Abcam), IB4 (L2895, Sigma), NF200 (N0142, Sigma), and pERK 1/2 (9101S, Cell Signaling Technology) at 4°C overnight.

    Techniques: Activation Assay, Imaging, Cell Culture, Membrane

    CB 1 R inhibits incision and ASIC3‐mediated ERK 1/2 phosphorylation. (A,B) Representative pERK 1/2 immunostaining images and quantifications in DRG sections of WT mice on postoperative day 1 and treated with intraplantar injection of WIN. Scale bar = 50 µm, 20 × objective, zoom = 1.28 ×. n = 5 mice/group, 3–4 sections/mouse. (C,D) Western blot analysis and quantification of pERK 1/2 in DRG from mice treated with intraplantar injection of APETx2 on postoperative day 1. n = 8 mice/group. (E,F) pERK 1/2 levels in DRGs from WT and ASIC3 KO mice on postoperative day 1. n = 8 mice/group. (G,H) Representative pERK 1/2 immunostaining and quantification in DRG after intraplantar injection of GMQ 30 min. Scale bar = 50 µm, 20 × objective, zoom = 1.46 ×. n = 4 mice/group, 4–5 sections/mouse. (I,J) Western blot analysis of pERK 1/2 in DRG from mice treated with GMQ alone or in combination with WIN. n = 4 mice/group. (K,L) pERK 1/2 levels in cultured DRG neurons stimulated with 3 mM GMQ in the presence or absence of 10 µM WIN. n = 9 wells/group. One‐way ANOVA with Tukey's multiple comparisons test; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.

    Journal: Advanced Science

    Article Title: Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition

    doi: 10.1002/advs.77925

    Figure Lengend Snippet: CB 1 R inhibits incision and ASIC3‐mediated ERK 1/2 phosphorylation. (A,B) Representative pERK 1/2 immunostaining images and quantifications in DRG sections of WT mice on postoperative day 1 and treated with intraplantar injection of WIN. Scale bar = 50 µm, 20 × objective, zoom = 1.28 ×. n = 5 mice/group, 3–4 sections/mouse. (C,D) Western blot analysis and quantification of pERK 1/2 in DRG from mice treated with intraplantar injection of APETx2 on postoperative day 1. n = 8 mice/group. (E,F) pERK 1/2 levels in DRGs from WT and ASIC3 KO mice on postoperative day 1. n = 8 mice/group. (G,H) Representative pERK 1/2 immunostaining and quantification in DRG after intraplantar injection of GMQ 30 min. Scale bar = 50 µm, 20 × objective, zoom = 1.46 ×. n = 4 mice/group, 4–5 sections/mouse. (I,J) Western blot analysis of pERK 1/2 in DRG from mice treated with GMQ alone or in combination with WIN. n = 4 mice/group. (K,L) pERK 1/2 levels in cultured DRG neurons stimulated with 3 mM GMQ in the presence or absence of 10 µM WIN. n = 9 wells/group. One‐way ANOVA with Tukey's multiple comparisons test; means ± SEM. Veh, vehicle; WIN, WIN 55,212‐2.

    Article Snippet: The sections were blocked for 1 h in 5% donkey serum (SL050, Solarbio) with 0.1% Triton X‐100 and incubated overnight at 4°C with primary antibodies against ASIC3 (ASC‐018, Alomone), c‐Fos (226017, SYSY), TRPV1 (ab6166, Abcam), CGRP (ab47027, Abcam), IB4 (L2895, Sigma), NF200 (N0142, Sigma), and pERK 1/2 (9101S, Cell Signaling Technology) at 4°C overnight.

    Techniques: Phospho-proteomics, Immunostaining, Injection, Western Blot, Analysis, Cell Culture

    Repeated targeting of the CB 1 R‐ASIC3 axis accelerates the resolution of incision‐induced postoperative pain. (A) Experimental timeline depicting plantar incision, daily intraplantar drug administration, and behavioral assessment. (B,C) Mechanical paw withdrawal threshold (PWT) and response frequency to a 0.4 g von Frey filament in mice receiving daily intraplantar injection of the CB 1 R agonist WIN or the CB 1 R antagonist AM251. (D,E) PWT and 0.4 g‐evoked response frequency in mice treated daily with the ASIC3 blocker APETx2 or the ASIC3 agonist GMQ. (F,G) PWT and 0.4 g‐evoked response frequency in WT mice and ASIC3 KO mice following plantar incision. Two‐way ANOVA with Sidak multiple comparisons. * p < 0.05, ** p < 0.01, *** p < 0.001, and **** p < 0.0001. Sample sizes are indicated in parentheses; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle; WIN, WIN 55,212‐2. (H) Proposed model of CB 1 R‐mediated postoperative analgesia in nociceptors through ASIC3 inhibition. In the mouse DRG, CB 1 R and ASIC3 are prominently co‐expressed in CGRP‐positive nociceptors. Plantar incision triggers an upregulation of ASIC3 and subsequent activation of ASIC3‐expressing neurons, thereby driving postoperative mechanical allodynia. Activation of nociceptor CB 1 R suppresses both ASIC3 channel function and ASIC3‐driven ERK 1/2 phosphorylation, thereby braking nociceptive signaling and accelerating pain resolution. This intrinsic CB 1 R‐ASIC3 regulatory module thus represents a pivotal endogenous analgesic mechanism and a promising therapeutic target for the management of postoperative pain. H, Created with BioRender.com, https://BioRender.com/eft35rm .

    Journal: Advanced Science

    Article Title: Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition

    doi: 10.1002/advs.77925

    Figure Lengend Snippet: Repeated targeting of the CB 1 R‐ASIC3 axis accelerates the resolution of incision‐induced postoperative pain. (A) Experimental timeline depicting plantar incision, daily intraplantar drug administration, and behavioral assessment. (B,C) Mechanical paw withdrawal threshold (PWT) and response frequency to a 0.4 g von Frey filament in mice receiving daily intraplantar injection of the CB 1 R agonist WIN or the CB 1 R antagonist AM251. (D,E) PWT and 0.4 g‐evoked response frequency in mice treated daily with the ASIC3 blocker APETx2 or the ASIC3 agonist GMQ. (F,G) PWT and 0.4 g‐evoked response frequency in WT mice and ASIC3 KO mice following plantar incision. Two‐way ANOVA with Sidak multiple comparisons. * p < 0.05, ** p < 0.01, *** p < 0.001, and **** p < 0.0001. Sample sizes are indicated in parentheses; means ± SEM. M, male; F, female; BL, baseline; Veh, vehicle; WIN, WIN 55,212‐2. (H) Proposed model of CB 1 R‐mediated postoperative analgesia in nociceptors through ASIC3 inhibition. In the mouse DRG, CB 1 R and ASIC3 are prominently co‐expressed in CGRP‐positive nociceptors. Plantar incision triggers an upregulation of ASIC3 and subsequent activation of ASIC3‐expressing neurons, thereby driving postoperative mechanical allodynia. Activation of nociceptor CB 1 R suppresses both ASIC3 channel function and ASIC3‐driven ERK 1/2 phosphorylation, thereby braking nociceptive signaling and accelerating pain resolution. This intrinsic CB 1 R‐ASIC3 regulatory module thus represents a pivotal endogenous analgesic mechanism and a promising therapeutic target for the management of postoperative pain. H, Created with BioRender.com, https://BioRender.com/eft35rm .

    Article Snippet: The sections were blocked for 1 h in 5% donkey serum (SL050, Solarbio) with 0.1% Triton X‐100 and incubated overnight at 4°C with primary antibodies against ASIC3 (ASC‐018, Alomone), c‐Fos (226017, SYSY), TRPV1 (ab6166, Abcam), CGRP (ab47027, Abcam), IB4 (L2895, Sigma), NF200 (N0142, Sigma), and pERK 1/2 (9101S, Cell Signaling Technology) at 4°C overnight.

    Techniques: Injection, Inhibition, Activation Assay, Expressing, Phospho-proteomics

    Joint and dorsal root ganglion (DRG) biomarkers of peripheral sensitization after PRP, TRPV1 antagonism, or combination therapy in MIA-induced osteoarthritis model rats.

    Journal: Frontiers in Pharmacology

    Article Title: Immune heterogeneity-driven therapeutic responses to platelet-rich plasma and TRPV1 antagonism in osteoarthritis

    doi: 10.3389/fphar.2026.1799766

    Figure Lengend Snippet: Joint and dorsal root ganglion (DRG) biomarkers of peripheral sensitization after PRP, TRPV1 antagonism, or combination therapy in MIA-induced osteoarthritis model rats.

    Article Snippet: For immunophenotyping and mechanistic readouts, primary antibodies included iNOS (Abcam, ab15323), CD86 (Proteintech, 30691-1-AP), CD206 (Proteintech, 18704-1-AP), and Arg1 (Proteintech, 16001-1-AP) for macrophage polarization; TRPV1 (Alomone Labs, ACC-030), NaV1.8 (Alomone Labs, ASC-016), CGRP (Abcam, ab36001), phospho-ERK1/2 (Cell Signaling Technology, 4370), and total ERK1/2 (Cell Signaling Technology, 4695) for DRG sensitization signaling; and c-Fos (Cell Signaling Technology, 2250), Iba1 (FUJIFILM Wako, 019-19741), and GFAP (Dako/Agilent, Z0334) for dorsal horn neuronal and glial activation.

    Techniques: Biomarker Discovery