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plasmid paav cmv zsgreen  (TaKaRa)


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    TaKaRa plasmid paav cmv zsgreen
    Plasmid Paav Cmv Zsgreen, supplied by TaKaRa, used in various techniques. Bioz Stars score: 94/100, based on 61 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/paav+vectors/pAAV-ZsGreen1+Vector/us12600969-703-1-6
    Average 94 stars, based on 61 article reviews
    plasmid paav cmv zsgreen - by Bioz Stars, 2026-09
    94/100 stars

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    Related Articles

    Amplification:

    Article Title: Kir6.2 channel activity is regulated by interaction of transmembrane domains 1 and 2 through I167 in the bundle‐crossing gate
    Article Snippet: .. The amplified fragments of Kir6.2ΔC36 were incorporated into the pAAV vectors using primers 5′‐GGC AGT GGA GAG GGC AGA GGA AGT CTG CTA‐3′ and 5′‐GTC GAC TCT AGA GGA TCC GAA TTT CAC GAC‐3′ for homogeneous recombination, which was performed by using the in‐fusion HD cloning kit (Takara Bio, Shiga, Japan). ..

    Cloning:

    Article Title: Kir6.2 channel activity is regulated by interaction of transmembrane domains 1 and 2 through I167 in the bundle‐crossing gate
    Article Snippet: .. The amplified fragments of Kir6.2ΔC36 were incorporated into the pAAV vectors using primers 5′‐GGC AGT GGA GAG GGC AGA GGA AGT CTG CTA‐3′ and 5′‐GTC GAC TCT AGA GGA TCC GAA TTT CAC GAC‐3′ for homogeneous recombination, which was performed by using the in‐fusion HD cloning kit (Takara Bio, Shiga, Japan). ..

    Generated:

    Article Title: Combination of blockade of endothelin signalling and compensation of IGF1 expression protects the retina from degeneration
    Article Snippet: .. The AAVs were generated by transfection of one of the pAAV vectors with pHelper and pRC2-mi342 packaging vectors (TaKaRa #632608) into HEK293 cells, and the AAVs were harvested 4 days post-transfection using the AAVpro ® Purification Kit Midi (TaKaRa #6675). ..

    Article Title: Combination of blockade of endothelin signalling and compensation of IGF1 expression protects the retina from degeneration.
    Article Snippet: .. The AAVs were generated by transfection of one of the pAAV vectors with pHelper and pRC2mi342 packaging vectors (TaKaRa #632608) into HEK293 cells, and the AAVs were harvested 4 days post-transfection using the AAVpro® Purification Kit Midi (TaKaRa #6675). ..

    Article Title: Combination of blockade of endothelin signalling and compensation of IGF1 expression confers protective effects on degenerating retina
    Article Snippet: Preparation and injection of AAV To generate AAVs carrying Gfp (control) or Igf1, we prepared pAAV-EGFP (for control; distributed from Addgene (#32395)) (82) and pAAV-IGF1, which was generated by replacing Gfp with the Igf1 gene. .. These AAVs were generated by transfecting either of the pAAV vectors with pHelper and pRC2-mi342 packaging Page 16/31 vectors into HEK293 cells, and the AAVs were isolated four days posttransfection by using the AAVpro® Puri cation Kit Midi (TaKaRa #6675). ..

    Transfection:

    Article Title: Combination of blockade of endothelin signalling and compensation of IGF1 expression protects the retina from degeneration
    Article Snippet: .. The AAVs were generated by transfection of one of the pAAV vectors with pHelper and pRC2-mi342 packaging vectors (TaKaRa #632608) into HEK293 cells, and the AAVs were harvested 4 days post-transfection using the AAVpro ® Purification Kit Midi (TaKaRa #6675). ..

    Article Title: Combination of blockade of endothelin signalling and compensation of IGF1 expression protects the retina from degeneration.
    Article Snippet: .. The AAVs were generated by transfection of one of the pAAV vectors with pHelper and pRC2mi342 packaging vectors (TaKaRa #632608) into HEK293 cells, and the AAVs were harvested 4 days post-transfection using the AAVpro® Purification Kit Midi (TaKaRa #6675). ..

    Article Title: Generation and identification of a conditional knockout allele for the PSMD11 gene in mice
    Article Snippet: After three passages, MEFs were infected with adeno-associated virus expressing ZsGreen or Cre (Takara, Shanghai, China). .. Adeno-associated virus (AAV) was prepared by co-transfect 293 T cells with three pAAV vectors, pAAV-CRE, pRC vector, and pHelper vector, with Xfect Transfection Reagent (Takara, Shanghai, China). .. Purification was accomplished from clarified HEK293 cell lysates by AAV Extraction Solution (Takara, Shanghai, China).

    Purification:

    Article Title: Combination of blockade of endothelin signalling and compensation of IGF1 expression protects the retina from degeneration
    Article Snippet: .. The AAVs were generated by transfection of one of the pAAV vectors with pHelper and pRC2-mi342 packaging vectors (TaKaRa #632608) into HEK293 cells, and the AAVs were harvested 4 days post-transfection using the AAVpro ® Purification Kit Midi (TaKaRa #6675). ..

    Article Title: Combination of blockade of endothelin signalling and compensation of IGF1 expression protects the retina from degeneration.
    Article Snippet: .. The AAVs were generated by transfection of one of the pAAV vectors with pHelper and pRC2mi342 packaging vectors (TaKaRa #632608) into HEK293 cells, and the AAVs were harvested 4 days post-transfection using the AAVpro® Purification Kit Midi (TaKaRa #6675). ..

    Isolation:

    Article Title: Combination of blockade of endothelin signalling and compensation of IGF1 expression confers protective effects on degenerating retina
    Article Snippet: Preparation and injection of AAV To generate AAVs carrying Gfp (control) or Igf1, we prepared pAAV-EGFP (for control; distributed from Addgene (#32395)) (82) and pAAV-IGF1, which was generated by replacing Gfp with the Igf1 gene. .. These AAVs were generated by transfecting either of the pAAV vectors with pHelper and pRC2-mi342 packaging Page 16/31 vectors into HEK293 cells, and the AAVs were isolated four days posttransfection by using the AAVpro® Puri cation Kit Midi (TaKaRa #6675). ..

    Virus:

    Article Title: Generation and identification of a conditional knockout allele for the PSMD11 gene in mice
    Article Snippet: After three passages, MEFs were infected with adeno-associated virus expressing ZsGreen or Cre (Takara, Shanghai, China). .. Adeno-associated virus (AAV) was prepared by co-transfect 293 T cells with three pAAV vectors, pAAV-CRE, pRC vector, and pHelper vector, with Xfect Transfection Reagent (Takara, Shanghai, China). .. Purification was accomplished from clarified HEK293 cell lysates by AAV Extraction Solution (Takara, Shanghai, China).

    Bioprocessing:

    Article Title: Generation and identification of a conditional knockout allele for the PSMD11 gene in mice
    Article Snippet: After three passages, MEFs were infected with adeno-associated virus expressing ZsGreen or Cre (Takara, Shanghai, China). .. Adeno-associated virus (AAV) was prepared by co-transfect 293 T cells with three pAAV vectors, pAAV-CRE, pRC vector, and pHelper vector, with Xfect Transfection Reagent (Takara, Shanghai, China). .. Purification was accomplished from clarified HEK293 cell lysates by AAV Extraction Solution (Takara, Shanghai, China).

    Plasmid Preparation:

    Article Title: Generation and identification of a conditional knockout allele for the PSMD11 gene in mice
    Article Snippet: After three passages, MEFs were infected with adeno-associated virus expressing ZsGreen or Cre (Takara, Shanghai, China). .. Adeno-associated virus (AAV) was prepared by co-transfect 293 T cells with three pAAV vectors, pAAV-CRE, pRC vector, and pHelper vector, with Xfect Transfection Reagent (Takara, Shanghai, China). .. Purification was accomplished from clarified HEK293 cell lysates by AAV Extraction Solution (Takara, Shanghai, China).



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    (a) Experimental diagram. Npas1-Cre-TdTomato mice received bilateral GPe injections of Cre-dependent <t>AAV8-hSyn-DIO-hM4D(Gi)-mCherry</t> or <t>AAV8-hSyn-DIO-hM3D(Gq)-mCherry,</t> with Cre-negative littermates serving as controls. All animals received C21 prior to testing, ensuring equivalent drug exposure across groups. Mice were tested on the elevated plus maze (EPM) 5 weeks post-surgery. Behavioral sessions were video-recorded for subsequent analysis. (b) Time spent in closed arms, center, and open arms during the EPM shows the expected preference for closed arms across all groups, with no effect of GPe NPAS1 manipulation on arm occupancy (two-way mixed ANOVA, maze compartment F (2,52) = 122.8, p = 2.003e-20; group F (2,26) = 1.546, p = 0.2319). (c) Number of open-arm entries does not differ across groups, indicating no effect of GPe NPAS1 manipulation on exploration of these areas (ANOVA, group F (2,26) = 1.048, p = 0.365). (d) Percent time spent in the open arms in the EPM is comparable across control, hM4D(Gi), and hM3D(Gq) mice, consistent with preserved global EPM performance (ANOVA, group F (2,55) = 0.4928, p = 0.6136). (e) Empirical cumulative distribution functions (ECDFs) of frame-wise horizontal movement in the open arms during the EPM show highly overlapping movement distributions across groups, illustrating the absence of gross shifts in locomotor behavior within high-risk regions of the maze. Pairwise Kolmogorov–Smirnov tests detected statistically significant but very small distributional differences (KS D = 0.02–0.05; FDR-corrected p < 0.001), consistent with negligible effect sizes that do not reflect meaningful differences in open-arm movement dynamics. (f) Distance traveled (two-way mixed ANOVA, group x time F (238,3094) = 0.8741, p = 0.9131), (g) speed (two-way mixed ANOVA, group x time F (238,3094) = 0.8742, p = 0.9129), and (h) acceleration (two-way mixed ANOVA, group x time F (238,3094) = 1.037, p = 0.3419) over time are comparable across control, hM4D(Gi), and hM3D(Gq) mice, indicating preserved global locomotor output across the session. Frame-wise polar histograms of heading direction during EPM show (i) control mice exhibit a modest but significant preference for a closed-arm-oriented heading (Rayleigh test, r = 0.005399, p = 0.001871). (j) hM4D(Gi) mice show a statistically significant, strong preferred closed arm heading (Rayleigh test, r = 0.01707, p = 1.225e-16). (k) In contrast, GPe NPAS1 hM4D(Gq) mice do not exhibit a statistically significant preferred heading orientation (Rayleigh test, r = 0.001264, p = 0.7505). (l) Pose features extracted from video tracking show bound box area across time was decreased for hM3D(Gq) mice compared to control mice across all EPM areas (two-way mixed ANOVA, group x time F (238,3094) = 1.180, p = 0.03497; post hoc control v hM3D(Gq) p = 0.03348). (m) Similarly, box aspect ratio over time was decreased for hM3D(Gq) mice compared to control mice (two-way mixed ANOVA, group x time F (238,3094) = 1.181, p = 0.03486; post hoc control v hM3D(Gq) p = 0.04464). (n) There were no group differences in the change in aspect ratio across time (two-way mixed ANOVA, group x time F (238,3094) = 0.08639, p = 0.06231). Dots represent individual data points, error bars or shaded bands represent standard error of the mean (SEM). For polar plots, 32 bins were computed to generate 11.25 degree bars for histogram densities.
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    96
    Addgene inc egfp vector control
    (a) Experimental diagram. Npas1-Cre-TdTomato mice received bilateral GPe injections of Cre-dependent <t>AAV8-hSyn-DIO-hM4D(Gi)-mCherry</t> or <t>AAV8-hSyn-DIO-hM3D(Gq)-mCherry,</t> with Cre-negative littermates serving as controls. All animals received C21 prior to testing, ensuring equivalent drug exposure across groups. Mice were tested on the elevated plus maze (EPM) 5 weeks post-surgery. Behavioral sessions were video-recorded for subsequent analysis. (b) Time spent in closed arms, center, and open arms during the EPM shows the expected preference for closed arms across all groups, with no effect of GPe NPAS1 manipulation on arm occupancy (two-way mixed ANOVA, maze compartment F (2,52) = 122.8, p = 2.003e-20; group F (2,26) = 1.546, p = 0.2319). (c) Number of open-arm entries does not differ across groups, indicating no effect of GPe NPAS1 manipulation on exploration of these areas (ANOVA, group F (2,26) = 1.048, p = 0.365). (d) Percent time spent in the open arms in the EPM is comparable across control, hM4D(Gi), and hM3D(Gq) mice, consistent with preserved global EPM performance (ANOVA, group F (2,55) = 0.4928, p = 0.6136). (e) Empirical cumulative distribution functions (ECDFs) of frame-wise horizontal movement in the open arms during the EPM show highly overlapping movement distributions across groups, illustrating the absence of gross shifts in locomotor behavior within high-risk regions of the maze. Pairwise Kolmogorov–Smirnov tests detected statistically significant but very small distributional differences (KS D = 0.02–0.05; FDR-corrected p < 0.001), consistent with negligible effect sizes that do not reflect meaningful differences in open-arm movement dynamics. (f) Distance traveled (two-way mixed ANOVA, group x time F (238,3094) = 0.8741, p = 0.9131), (g) speed (two-way mixed ANOVA, group x time F (238,3094) = 0.8742, p = 0.9129), and (h) acceleration (two-way mixed ANOVA, group x time F (238,3094) = 1.037, p = 0.3419) over time are comparable across control, hM4D(Gi), and hM3D(Gq) mice, indicating preserved global locomotor output across the session. Frame-wise polar histograms of heading direction during EPM show (i) control mice exhibit a modest but significant preference for a closed-arm-oriented heading (Rayleigh test, r = 0.005399, p = 0.001871). (j) hM4D(Gi) mice show a statistically significant, strong preferred closed arm heading (Rayleigh test, r = 0.01707, p = 1.225e-16). (k) In contrast, GPe NPAS1 hM4D(Gq) mice do not exhibit a statistically significant preferred heading orientation (Rayleigh test, r = 0.001264, p = 0.7505). (l) Pose features extracted from video tracking show bound box area across time was decreased for hM3D(Gq) mice compared to control mice across all EPM areas (two-way mixed ANOVA, group x time F (238,3094) = 1.180, p = 0.03497; post hoc control v hM3D(Gq) p = 0.03348). (m) Similarly, box aspect ratio over time was decreased for hM3D(Gq) mice compared to control mice (two-way mixed ANOVA, group x time F (238,3094) = 1.181, p = 0.03486; post hoc control v hM3D(Gq) p = 0.04464). (n) There were no group differences in the change in aspect ratio across time (two-way mixed ANOVA, group x time F (238,3094) = 0.08639, p = 0.06231). Dots represent individual data points, error bars or shaded bands represent standard error of the mean (SEM). For polar plots, 32 bins were computed to generate 11.25 degree bars for histogram densities.
    Egfp Vector Control, supplied by Addgene inc, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/paav+vectors/pAAV-hSyn-EGFP+(Plasmid+%2350465)/us12576130-663-29-31
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    cre dependent aav5 vector encoding channelrhodopsin paav ef1a double floxed hchr2 h134r eyfp wpre hghpa  (Addgene inc)
    96
    Addgene inc cre dependent aav5 vector encoding channelrhodopsin paav ef1a double floxed hchr2 h134r eyfp wpre hghpa
    (a) Experimental diagram. Npas1-Cre-TdTomato mice received bilateral GPe injections of Cre-dependent <t>AAV8-hSyn-DIO-hM4D(Gi)-mCherry</t> or <t>AAV8-hSyn-DIO-hM3D(Gq)-mCherry,</t> with Cre-negative littermates serving as controls. All animals received C21 prior to testing, ensuring equivalent drug exposure across groups. Mice were tested on the elevated plus maze (EPM) 5 weeks post-surgery. Behavioral sessions were video-recorded for subsequent analysis. (b) Time spent in closed arms, center, and open arms during the EPM shows the expected preference for closed arms across all groups, with no effect of GPe NPAS1 manipulation on arm occupancy (two-way mixed ANOVA, maze compartment F (2,52) = 122.8, p = 2.003e-20; group F (2,26) = 1.546, p = 0.2319). (c) Number of open-arm entries does not differ across groups, indicating no effect of GPe NPAS1 manipulation on exploration of these areas (ANOVA, group F (2,26) = 1.048, p = 0.365). (d) Percent time spent in the open arms in the EPM is comparable across control, hM4D(Gi), and hM3D(Gq) mice, consistent with preserved global EPM performance (ANOVA, group F (2,55) = 0.4928, p = 0.6136). (e) Empirical cumulative distribution functions (ECDFs) of frame-wise horizontal movement in the open arms during the EPM show highly overlapping movement distributions across groups, illustrating the absence of gross shifts in locomotor behavior within high-risk regions of the maze. Pairwise Kolmogorov–Smirnov tests detected statistically significant but very small distributional differences (KS D = 0.02–0.05; FDR-corrected p < 0.001), consistent with negligible effect sizes that do not reflect meaningful differences in open-arm movement dynamics. (f) Distance traveled (two-way mixed ANOVA, group x time F (238,3094) = 0.8741, p = 0.9131), (g) speed (two-way mixed ANOVA, group x time F (238,3094) = 0.8742, p = 0.9129), and (h) acceleration (two-way mixed ANOVA, group x time F (238,3094) = 1.037, p = 0.3419) over time are comparable across control, hM4D(Gi), and hM3D(Gq) mice, indicating preserved global locomotor output across the session. Frame-wise polar histograms of heading direction during EPM show (i) control mice exhibit a modest but significant preference for a closed-arm-oriented heading (Rayleigh test, r = 0.005399, p = 0.001871). (j) hM4D(Gi) mice show a statistically significant, strong preferred closed arm heading (Rayleigh test, r = 0.01707, p = 1.225e-16). (k) In contrast, GPe NPAS1 hM4D(Gq) mice do not exhibit a statistically significant preferred heading orientation (Rayleigh test, r = 0.001264, p = 0.7505). (l) Pose features extracted from video tracking show bound box area across time was decreased for hM3D(Gq) mice compared to control mice across all EPM areas (two-way mixed ANOVA, group x time F (238,3094) = 1.180, p = 0.03497; post hoc control v hM3D(Gq) p = 0.03348). (m) Similarly, box aspect ratio over time was decreased for hM3D(Gq) mice compared to control mice (two-way mixed ANOVA, group x time F (238,3094) = 1.181, p = 0.03486; post hoc control v hM3D(Gq) p = 0.04464). (n) There were no group differences in the change in aspect ratio across time (two-way mixed ANOVA, group x time F (238,3094) = 0.08639, p = 0.06231). Dots represent individual data points, error bars or shaded bands represent standard error of the mean (SEM). For polar plots, 32 bins were computed to generate 11.25 degree bars for histogram densities.
    Cre Dependent Aav5 Vector Encoding Channelrhodopsin Paav Ef1a Double Floxed Hchr2 H134r Eyfp Wpre Hghpa, supplied by Addgene inc, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/paav+vectors/pAAV-EF1a-double+floxed-hChR2(H134R)-EYFP-WPRE-HGHpA+(Plasmid+%2320298)/bio_rxiv__64898__2026__03__11__711212-44-8-15
    Average 96 stars, based on 1 article reviews
    cre dependent aav5 vector encoding channelrhodopsin paav ef1a double floxed hchr2 h134r eyfp wpre hghpa - by Bioz Stars, 2026-09
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    Image Search Results


    (a) Experimental diagram. Npas1-Cre-TdTomato mice received bilateral GPe injections of Cre-dependent AAV8-hSyn-DIO-hM4D(Gi)-mCherry or AAV8-hSyn-DIO-hM3D(Gq)-mCherry, with Cre-negative littermates serving as controls. All animals received C21 prior to testing, ensuring equivalent drug exposure across groups. Mice were tested on the elevated plus maze (EPM) 5 weeks post-surgery. Behavioral sessions were video-recorded for subsequent analysis. (b) Time spent in closed arms, center, and open arms during the EPM shows the expected preference for closed arms across all groups, with no effect of GPe NPAS1 manipulation on arm occupancy (two-way mixed ANOVA, maze compartment F (2,52) = 122.8, p = 2.003e-20; group F (2,26) = 1.546, p = 0.2319). (c) Number of open-arm entries does not differ across groups, indicating no effect of GPe NPAS1 manipulation on exploration of these areas (ANOVA, group F (2,26) = 1.048, p = 0.365). (d) Percent time spent in the open arms in the EPM is comparable across control, hM4D(Gi), and hM3D(Gq) mice, consistent with preserved global EPM performance (ANOVA, group F (2,55) = 0.4928, p = 0.6136). (e) Empirical cumulative distribution functions (ECDFs) of frame-wise horizontal movement in the open arms during the EPM show highly overlapping movement distributions across groups, illustrating the absence of gross shifts in locomotor behavior within high-risk regions of the maze. Pairwise Kolmogorov–Smirnov tests detected statistically significant but very small distributional differences (KS D = 0.02–0.05; FDR-corrected p < 0.001), consistent with negligible effect sizes that do not reflect meaningful differences in open-arm movement dynamics. (f) Distance traveled (two-way mixed ANOVA, group x time F (238,3094) = 0.8741, p = 0.9131), (g) speed (two-way mixed ANOVA, group x time F (238,3094) = 0.8742, p = 0.9129), and (h) acceleration (two-way mixed ANOVA, group x time F (238,3094) = 1.037, p = 0.3419) over time are comparable across control, hM4D(Gi), and hM3D(Gq) mice, indicating preserved global locomotor output across the session. Frame-wise polar histograms of heading direction during EPM show (i) control mice exhibit a modest but significant preference for a closed-arm-oriented heading (Rayleigh test, r = 0.005399, p = 0.001871). (j) hM4D(Gi) mice show a statistically significant, strong preferred closed arm heading (Rayleigh test, r = 0.01707, p = 1.225e-16). (k) In contrast, GPe NPAS1 hM4D(Gq) mice do not exhibit a statistically significant preferred heading orientation (Rayleigh test, r = 0.001264, p = 0.7505). (l) Pose features extracted from video tracking show bound box area across time was decreased for hM3D(Gq) mice compared to control mice across all EPM areas (two-way mixed ANOVA, group x time F (238,3094) = 1.180, p = 0.03497; post hoc control v hM3D(Gq) p = 0.03348). (m) Similarly, box aspect ratio over time was decreased for hM3D(Gq) mice compared to control mice (two-way mixed ANOVA, group x time F (238,3094) = 1.181, p = 0.03486; post hoc control v hM3D(Gq) p = 0.04464). (n) There were no group differences in the change in aspect ratio across time (two-way mixed ANOVA, group x time F (238,3094) = 0.08639, p = 0.06231). Dots represent individual data points, error bars or shaded bands represent standard error of the mean (SEM). For polar plots, 32 bins were computed to generate 11.25 degree bars for histogram densities.

    Journal: bioRxiv

    Article Title: External Globus Pallidus Arkypallidal Circuit Dynamics Gate Risk-Taking Behavior

    doi: 10.64898/2026.03.20.713182

    Figure Lengend Snippet: (a) Experimental diagram. Npas1-Cre-TdTomato mice received bilateral GPe injections of Cre-dependent AAV8-hSyn-DIO-hM4D(Gi)-mCherry or AAV8-hSyn-DIO-hM3D(Gq)-mCherry, with Cre-negative littermates serving as controls. All animals received C21 prior to testing, ensuring equivalent drug exposure across groups. Mice were tested on the elevated plus maze (EPM) 5 weeks post-surgery. Behavioral sessions were video-recorded for subsequent analysis. (b) Time spent in closed arms, center, and open arms during the EPM shows the expected preference for closed arms across all groups, with no effect of GPe NPAS1 manipulation on arm occupancy (two-way mixed ANOVA, maze compartment F (2,52) = 122.8, p = 2.003e-20; group F (2,26) = 1.546, p = 0.2319). (c) Number of open-arm entries does not differ across groups, indicating no effect of GPe NPAS1 manipulation on exploration of these areas (ANOVA, group F (2,26) = 1.048, p = 0.365). (d) Percent time spent in the open arms in the EPM is comparable across control, hM4D(Gi), and hM3D(Gq) mice, consistent with preserved global EPM performance (ANOVA, group F (2,55) = 0.4928, p = 0.6136). (e) Empirical cumulative distribution functions (ECDFs) of frame-wise horizontal movement in the open arms during the EPM show highly overlapping movement distributions across groups, illustrating the absence of gross shifts in locomotor behavior within high-risk regions of the maze. Pairwise Kolmogorov–Smirnov tests detected statistically significant but very small distributional differences (KS D = 0.02–0.05; FDR-corrected p < 0.001), consistent with negligible effect sizes that do not reflect meaningful differences in open-arm movement dynamics. (f) Distance traveled (two-way mixed ANOVA, group x time F (238,3094) = 0.8741, p = 0.9131), (g) speed (two-way mixed ANOVA, group x time F (238,3094) = 0.8742, p = 0.9129), and (h) acceleration (two-way mixed ANOVA, group x time F (238,3094) = 1.037, p = 0.3419) over time are comparable across control, hM4D(Gi), and hM3D(Gq) mice, indicating preserved global locomotor output across the session. Frame-wise polar histograms of heading direction during EPM show (i) control mice exhibit a modest but significant preference for a closed-arm-oriented heading (Rayleigh test, r = 0.005399, p = 0.001871). (j) hM4D(Gi) mice show a statistically significant, strong preferred closed arm heading (Rayleigh test, r = 0.01707, p = 1.225e-16). (k) In contrast, GPe NPAS1 hM4D(Gq) mice do not exhibit a statistically significant preferred heading orientation (Rayleigh test, r = 0.001264, p = 0.7505). (l) Pose features extracted from video tracking show bound box area across time was decreased for hM3D(Gq) mice compared to control mice across all EPM areas (two-way mixed ANOVA, group x time F (238,3094) = 1.180, p = 0.03497; post hoc control v hM3D(Gq) p = 0.03348). (m) Similarly, box aspect ratio over time was decreased for hM3D(Gq) mice compared to control mice (two-way mixed ANOVA, group x time F (238,3094) = 1.181, p = 0.03486; post hoc control v hM3D(Gq) p = 0.04464). (n) There were no group differences in the change in aspect ratio across time (two-way mixed ANOVA, group x time F (238,3094) = 0.08639, p = 0.06231). Dots represent individual data points, error bars or shaded bands represent standard error of the mean (SEM). For polar plots, 32 bins were computed to generate 11.25 degree bars for histogram densities.

    Article Snippet: The Gi/o-coupled DREADD vector AAV8-hSyn-DIO-hM4D(Gi)-mCherry (plasmid #44362) and the Gq-coupled DREADD vector AAV8-hSyn-DIO-hM3D(Gq)-mCherry (plasmid #44361) were obtained from Addgene.

    Techniques: Control

    (a) Experimental diagram. Npas1-Cre-TdTomato mice received bilateral GPe injections of Cre-dependent AAV8-hSyn-DIO-hM4D(Gi)-mCherry or AAV8-hSyn-DIO-hM3D(Gq)-mCherry, with Cre-negative littermates serving as controls. All animals received C21 prior to testing, ensuring equivalent drug exposure across groups. Mice were tested on the elevated plus maze (EPM) 5 weeks post-surgery. Behavioral sessions were video-recorded for subsequent analysis. (b) Time spent in closed arms, center, and open arms during the EPM shows the expected preference for closed arms across all groups, with no effect of GPe NPAS1 manipulation on arm occupancy (two-way mixed ANOVA, maze compartment F (2,52) = 122.8, p = 2.003e-20; group F (2,26) = 1.546, p = 0.2319). (c) Number of open-arm entries does not differ across groups, indicating no effect of GPe NPAS1 manipulation on exploration of these areas (ANOVA, group F (2,26) = 1.048, p = 0.365). (d) Percent time spent in the open arms in the EPM is comparable across control, hM4D(Gi), and hM3D(Gq) mice, consistent with preserved global EPM performance (ANOVA, group F (2,55) = 0.4928, p = 0.6136). (e) Empirical cumulative distribution functions (ECDFs) of frame-wise horizontal movement in the open arms during the EPM show highly overlapping movement distributions across groups, illustrating the absence of gross shifts in locomotor behavior within high-risk regions of the maze. Pairwise Kolmogorov–Smirnov tests detected statistically significant but very small distributional differences (KS D = 0.02–0.05; FDR-corrected p < 0.001), consistent with negligible effect sizes that do not reflect meaningful differences in open-arm movement dynamics. (f) Distance traveled (two-way mixed ANOVA, group x time F (238,3094) = 0.8741, p = 0.9131), (g) speed (two-way mixed ANOVA, group x time F (238,3094) = 0.8742, p = 0.9129), and (h) acceleration (two-way mixed ANOVA, group x time F (238,3094) = 1.037, p = 0.3419) over time are comparable across control, hM4D(Gi), and hM3D(Gq) mice, indicating preserved global locomotor output across the session. Frame-wise polar histograms of heading direction during EPM show (i) control mice exhibit a modest but significant preference for a closed-arm-oriented heading (Rayleigh test, r = 0.005399, p = 0.001871). (j) hM4D(Gi) mice show a statistically significant, strong preferred closed arm heading (Rayleigh test, r = 0.01707, p = 1.225e-16). (k) In contrast, GPe NPAS1 hM4D(Gq) mice do not exhibit a statistically significant preferred heading orientation (Rayleigh test, r = 0.001264, p = 0.7505). (l) Pose features extracted from video tracking show bound box area across time was decreased for hM3D(Gq) mice compared to control mice across all EPM areas (two-way mixed ANOVA, group x time F (238,3094) = 1.180, p = 0.03497; post hoc control v hM3D(Gq) p = 0.03348). (m) Similarly, box aspect ratio over time was decreased for hM3D(Gq) mice compared to control mice (two-way mixed ANOVA, group x time F (238,3094) = 1.181, p = 0.03486; post hoc control v hM3D(Gq) p = 0.04464). (n) There were no group differences in the change in aspect ratio across time (two-way mixed ANOVA, group x time F (238,3094) = 0.08639, p = 0.06231). Dots represent individual data points, error bars or shaded bands represent standard error of the mean (SEM). For polar plots, 32 bins were computed to generate 11.25 degree bars for histogram densities.

    Journal: bioRxiv

    Article Title: External Globus Pallidus Arkypallidal Circuit Dynamics Gate Risk-Taking Behavior

    doi: 10.64898/2026.03.20.713182

    Figure Lengend Snippet: (a) Experimental diagram. Npas1-Cre-TdTomato mice received bilateral GPe injections of Cre-dependent AAV8-hSyn-DIO-hM4D(Gi)-mCherry or AAV8-hSyn-DIO-hM3D(Gq)-mCherry, with Cre-negative littermates serving as controls. All animals received C21 prior to testing, ensuring equivalent drug exposure across groups. Mice were tested on the elevated plus maze (EPM) 5 weeks post-surgery. Behavioral sessions were video-recorded for subsequent analysis. (b) Time spent in closed arms, center, and open arms during the EPM shows the expected preference for closed arms across all groups, with no effect of GPe NPAS1 manipulation on arm occupancy (two-way mixed ANOVA, maze compartment F (2,52) = 122.8, p = 2.003e-20; group F (2,26) = 1.546, p = 0.2319). (c) Number of open-arm entries does not differ across groups, indicating no effect of GPe NPAS1 manipulation on exploration of these areas (ANOVA, group F (2,26) = 1.048, p = 0.365). (d) Percent time spent in the open arms in the EPM is comparable across control, hM4D(Gi), and hM3D(Gq) mice, consistent with preserved global EPM performance (ANOVA, group F (2,55) = 0.4928, p = 0.6136). (e) Empirical cumulative distribution functions (ECDFs) of frame-wise horizontal movement in the open arms during the EPM show highly overlapping movement distributions across groups, illustrating the absence of gross shifts in locomotor behavior within high-risk regions of the maze. Pairwise Kolmogorov–Smirnov tests detected statistically significant but very small distributional differences (KS D = 0.02–0.05; FDR-corrected p < 0.001), consistent with negligible effect sizes that do not reflect meaningful differences in open-arm movement dynamics. (f) Distance traveled (two-way mixed ANOVA, group x time F (238,3094) = 0.8741, p = 0.9131), (g) speed (two-way mixed ANOVA, group x time F (238,3094) = 0.8742, p = 0.9129), and (h) acceleration (two-way mixed ANOVA, group x time F (238,3094) = 1.037, p = 0.3419) over time are comparable across control, hM4D(Gi), and hM3D(Gq) mice, indicating preserved global locomotor output across the session. Frame-wise polar histograms of heading direction during EPM show (i) control mice exhibit a modest but significant preference for a closed-arm-oriented heading (Rayleigh test, r = 0.005399, p = 0.001871). (j) hM4D(Gi) mice show a statistically significant, strong preferred closed arm heading (Rayleigh test, r = 0.01707, p = 1.225e-16). (k) In contrast, GPe NPAS1 hM4D(Gq) mice do not exhibit a statistically significant preferred heading orientation (Rayleigh test, r = 0.001264, p = 0.7505). (l) Pose features extracted from video tracking show bound box area across time was decreased for hM3D(Gq) mice compared to control mice across all EPM areas (two-way mixed ANOVA, group x time F (238,3094) = 1.180, p = 0.03497; post hoc control v hM3D(Gq) p = 0.03348). (m) Similarly, box aspect ratio over time was decreased for hM3D(Gq) mice compared to control mice (two-way mixed ANOVA, group x time F (238,3094) = 1.181, p = 0.03486; post hoc control v hM3D(Gq) p = 0.04464). (n) There were no group differences in the change in aspect ratio across time (two-way mixed ANOVA, group x time F (238,3094) = 0.08639, p = 0.06231). Dots represent individual data points, error bars or shaded bands represent standard error of the mean (SEM). For polar plots, 32 bins were computed to generate 11.25 degree bars for histogram densities.

    Article Snippet: The Gi/o-coupled DREADD vector AAV8-hSyn-DIO-hM4D(Gi)-mCherry (plasmid #44362) and the Gq-coupled DREADD vector AAV8-hSyn-DIO-hM3D(Gq)-mCherry (plasmid #44361) were obtained from Addgene.

    Techniques: Control