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mt2 antibodies (Alomone Labs)

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Alomone Labs mt2 antibodies
Mt2 Antibodies, supplied by Alomone Labs, used in various techniques. Bioz Stars score: 93/100, based on 8 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/anti+mt2+receptor/Anti-Melatonin+Receptor+1B+Antibody/pm41366729-81-10-13
Average 93 stars, based on 8 article reviews

mt2 antibodies - by Bioz Stars, 2026-09

93/100 stars

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Article Title: Relaxing effect of ramelteon on the uterus of non-pregnant and pregnant rats: Importance of melatonin receptors and BK Ca .
Article Snippet: Aims: Our objective was to measure the effect and mechanism of action of the melatonin agonist ramelteon in rat uteri from non-pregnant and pregnant rats in vitro.. Main methods: KCl-induced contractions of non-pregnant and pregnant uterine rings samples (whole or endometrium-denuded) were investigated in an organ bath in the presence of ramelteon alone or with melatonin (MT) receptor antagonist luzindole or with the high-conductance calcium-dependent potassium channel (BKCa) blocker paxilline.. The changes in melatonin receptor expressions were followed by RT-PCR, Western blot, and fluorescent immunohistochemistry.

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Expression of MT1 and MT2 genes in rat TG, SPG and hypothalamus. ( A ) Comparison of MT1 and MT2 mRNA levels in the TG of male and female rats shows that MT1 expression is significantly higher than MT2. ( B ) In both the hypothalamus (HT) and SPG of male rats, MT1 mRNA levels are also significantly higher than MT2. Data are presented as mean ± SEM, statistical significance indicate as *** p < 0.001, ** p < 0.01, * p < 0.05, and n = 6

Journal: The Journal of Headache and Pain

Article Title: Expression of melatonin receptors in trigeminal and sphenopalatine ganglia: potential targets for primary headache disorders

doi: 10.1186/s10194-025-02215-9

Figure Lengend Snippet: Expression of MT1 and MT2 genes in rat TG, SPG and hypothalamus. ( A ) Comparison of MT1 and MT2 mRNA levels in the TG of male and female rats shows that MT1 expression is significantly higher than MT2. ( B ) In both the hypothalamus (HT) and SPG of male rats, MT1 mRNA levels are also significantly higher than MT2. Data are presented as mean ± SEM, statistical significance indicate as *** p < 0.001, ** p < 0.01, * p < 0.05, and n = 6

Article Snippet: MT2 (AMR-032) , 1:200 , Rabbit , Alomone Labs, Jerusalem, Israel , AB_2340995.

Techniques: Expressing, Comparison

MT1 and MT2 immunoreactivity in TG. ( A ) positive MT1 immunoreactivity was observed in the cytoplasm and nuclei of TG neurons (thick arrows) and in SGCs (arrowheads). ( B ) MT2 immunoreactivity was observed predominantly in the cytoplasm of neurons (thick arrows), in some cases in their nuclei (thick arrows), and in Aδ-fibers (thin arrows). Negative cells are indicated by asterisks in both ( A ) and ( B ). Blue color represents nuclei staining with DAPI. ( C ) Bar graphs show the number of MT1 and MT2 immunoreactive TG neurons in male and female rats. There was no significant difference in MT1 or MT2 protein expression between sexes. However, the number of MT1-immunoreactive cells was approximately twofold higher than that of MT2 in both males and females. Data are presented as the mean ± SEM, n = 6 and * p < 0.05

Journal: The Journal of Headache and Pain

Article Title: Expression of melatonin receptors in trigeminal and sphenopalatine ganglia: potential targets for primary headache disorders

doi: 10.1186/s10194-025-02215-9

Figure Lengend Snippet: MT1 and MT2 immunoreactivity in TG. ( A ) positive MT1 immunoreactivity was observed in the cytoplasm and nuclei of TG neurons (thick arrows) and in SGCs (arrowheads). ( B ) MT2 immunoreactivity was observed predominantly in the cytoplasm of neurons (thick arrows), in some cases in their nuclei (thick arrows), and in Aδ-fibers (thin arrows). Negative cells are indicated by asterisks in both ( A ) and ( B ). Blue color represents nuclei staining with DAPI. ( C ) Bar graphs show the number of MT1 and MT2 immunoreactive TG neurons in male and female rats. There was no significant difference in MT1 or MT2 protein expression between sexes. However, the number of MT1-immunoreactive cells was approximately twofold higher than that of MT2 in both males and females. Data are presented as the mean ± SEM, n = 6 and * p < 0.05

Article Snippet: MT2 (AMR-032) , 1:200 , Rabbit , Alomone Labs, Jerusalem, Israel , AB_2340995.

Techniques: Staining, Expressing

Double immunohistochemistry of MT2 with CGRP or RAMP1 in TG. ( A and D ) MT2 immunoreactivity (green fluorescence) was observed in cytoplasm of TG neurons (thick arrows), and in Aδ- fibers (arrowheads). ( B ) CGRP (red fluorescence) was expressed in small to medium-sized TG neurons (thick arrows) as well as in C-fibers (arrowhead). ( C ) MT2 co-localized with CGRP (yellow-orange) in the cytoplasm of small to medium-sized neurons (thick arrows). ( E ) RAMP1 (red fluorescence) was expressed in the cytoplasm of medium to large- sized TG neurons (thick arrow) and in Aδ-fibers (arrowhead). ( F ) The merged imaged showed that MT2 was co-localized (yellow) with RAMP1 in the cytoplasm of medium to large-sized neurons (thick arrow) as well as in the Aδ- fibers (arrowhead)

Journal: The Journal of Headache and Pain

Article Title: Expression of melatonin receptors in trigeminal and sphenopalatine ganglia: potential targets for primary headache disorders

doi: 10.1186/s10194-025-02215-9

Figure Lengend Snippet: Double immunohistochemistry of MT2 with CGRP or RAMP1 in TG. ( A and D ) MT2 immunoreactivity (green fluorescence) was observed in cytoplasm of TG neurons (thick arrows), and in Aδ- fibers (arrowheads). ( B ) CGRP (red fluorescence) was expressed in small to medium-sized TG neurons (thick arrows) as well as in C-fibers (arrowhead). ( C ) MT2 co-localized with CGRP (yellow-orange) in the cytoplasm of small to medium-sized neurons (thick arrows). ( E ) RAMP1 (red fluorescence) was expressed in the cytoplasm of medium to large- sized TG neurons (thick arrow) and in Aδ-fibers (arrowhead). ( F ) The merged imaged showed that MT2 was co-localized (yellow) with RAMP1 in the cytoplasm of medium to large-sized neurons (thick arrow) as well as in the Aδ- fibers (arrowhead)

Article Snippet: MT2 (AMR-032) , 1:200 , Rabbit , Alomone Labs, Jerusalem, Israel , AB_2340995.

Techniques: Immunohistochemistry, Fluorescence

Double immunohistochemistry of MT2 and CASPR in trigeminal Aδ-fibers. ( A ) MT2 receptors (green) were found in the Aδ-fibers. ( B ) CASPR immunoreactivity (red) was used to label the paranodal regions of nodes of Ranvier. ( C ) MT2 and CASPR were co-expressed in Aδ-fibers. The blue color represents nuclei staining with DAPI

Journal: The Journal of Headache and Pain

Article Title: Expression of melatonin receptors in trigeminal and sphenopalatine ganglia: potential targets for primary headache disorders

doi: 10.1186/s10194-025-02215-9

Figure Lengend Snippet: Double immunohistochemistry of MT2 and CASPR in trigeminal Aδ-fibers. ( A ) MT2 receptors (green) were found in the Aδ-fibers. ( B ) CASPR immunoreactivity (red) was used to label the paranodal regions of nodes of Ranvier. ( C ) MT2 and CASPR were co-expressed in Aδ-fibers. The blue color represents nuclei staining with DAPI

Article Snippet: MT2 (AMR-032) , 1:200 , Rabbit , Alomone Labs, Jerusalem, Israel , AB_2340995.

Techniques: Immunohistochemistry, Staining

Double immunohistochemistry of MT2 with CASPR and CGRP in rat dura mater. ( A and D ) Thin MT2-immunoreactive axons (green, arrows) were observed in the rat dura mater. ( B ) These fibers were identified as Aδ-fibers based on CASPR immunoreactivity (red) showing the characteristic bowtie-shaped paranodal pattern (arrowheads). ( A - C ) Fiber bundles were often seen flanking dural blood vessels (asterisks). ( C ) MT2 and CASPR were observed to be co-expressed in the same Aδ-fibers. ( E ) CGRP immunoreactivity (red, arrowheads) was detected in c-fibers throughout the rat dura mater in a granular, pearl-like pattern. ( F ) Merged images show intertwined C- and Aδ-fibers, expressing CGRP and MT2 respectively, projecting throughout the dura mater

Journal: The Journal of Headache and Pain

Article Title: Expression of melatonin receptors in trigeminal and sphenopalatine ganglia: potential targets for primary headache disorders

doi: 10.1186/s10194-025-02215-9

Figure Lengend Snippet: Double immunohistochemistry of MT2 with CASPR and CGRP in rat dura mater. ( A and D ) Thin MT2-immunoreactive axons (green, arrows) were observed in the rat dura mater. ( B ) These fibers were identified as Aδ-fibers based on CASPR immunoreactivity (red) showing the characteristic bowtie-shaped paranodal pattern (arrowheads). ( A - C ) Fiber bundles were often seen flanking dural blood vessels (asterisks). ( C ) MT2 and CASPR were observed to be co-expressed in the same Aδ-fibers. ( E ) CGRP immunoreactivity (red, arrowheads) was detected in c-fibers throughout the rat dura mater in a granular, pearl-like pattern. ( F ) Merged images show intertwined C- and Aδ-fibers, expressing CGRP and MT2 respectively, projecting throughout the dura mater

Article Snippet: MT2 (AMR-032) , 1:200 , Rabbit , Alomone Labs, Jerusalem, Israel , AB_2340995.

Techniques: Immunohistochemistry, Expressing

Localization of MT2 immunoreactivity in the SPG and its co-localization with VIP and PACAP. ( A , D and G ) MT2 immunoreactivity (green) was observed in the cytoplasm of neurons (thick arrows), and in fibers (arrowhead). ( B and E ) VIP immunoreactivity (red) was detected in the cytoplasm of many medium-sized neurons (thick arrows) and in a few fibers (arrowheads). ( C and F ) MT2 was co-localized with VIP in the cytoplasm of medium sized neurons (yellow-orange, thick arrows). D , E and F are higher-magnification views of images A , B and C , respectively. ( H ) PACAP immunoreactivity (red) was found in the cytoplasm of SPG neurons (thick arrows). ( I ) Double staining of MT2 and PACAP showed that MT2 was co-localized with PACAP in the cytoplasm of SPG neurons (yellow-orange, thick arrow)

Journal: The Journal of Headache and Pain

Article Title: Expression of melatonin receptors in trigeminal and sphenopalatine ganglia: potential targets for primary headache disorders

doi: 10.1186/s10194-025-02215-9

Figure Lengend Snippet: Localization of MT2 immunoreactivity in the SPG and its co-localization with VIP and PACAP. ( A , D and G ) MT2 immunoreactivity (green) was observed in the cytoplasm of neurons (thick arrows), and in fibers (arrowhead). ( B and E ) VIP immunoreactivity (red) was detected in the cytoplasm of many medium-sized neurons (thick arrows) and in a few fibers (arrowheads). ( C and F ) MT2 was co-localized with VIP in the cytoplasm of medium sized neurons (yellow-orange, thick arrows). D , E and F are higher-magnification views of images A , B and C , respectively. ( H ) PACAP immunoreactivity (red) was found in the cytoplasm of SPG neurons (thick arrows). ( I ) Double staining of MT2 and PACAP showed that MT2 was co-localized with PACAP in the cytoplasm of SPG neurons (yellow-orange, thick arrow)

Article Snippet: MT2 (AMR-032) , 1:200 , Rabbit , Alomone Labs, Jerusalem, Israel , AB_2340995.

Techniques: Double Staining

MT1 and MT2 immunoreactivity in the DRG. ( A ) MT1 expression in DRG was observed in both the cytoplasm and nuclei of neurons (thick arrow) and in SGCs (arrowheads). ( B ) MT2 immunoreactivity was localized in the cytoplasm of neurons and in some cases in their nuclei (thick arrow), and in the Aδ-fibers (thin arrows). The blue color represents nuclei staining with DAPI

Journal: The Journal of Headache and Pain

Article Title: Expression of melatonin receptors in trigeminal and sphenopalatine ganglia: potential targets for primary headache disorders

doi: 10.1186/s10194-025-02215-9

Figure Lengend Snippet: MT1 and MT2 immunoreactivity in the DRG. ( A ) MT1 expression in DRG was observed in both the cytoplasm and nuclei of neurons (thick arrow) and in SGCs (arrowheads). ( B ) MT2 immunoreactivity was localized in the cytoplasm of neurons and in some cases in their nuclei (thick arrow), and in the Aδ-fibers (thin arrows). The blue color represents nuclei staining with DAPI

Article Snippet: MT2 (AMR-032) , 1:200 , Rabbit , Alomone Labs, Jerusalem, Israel , AB_2340995.

Techniques: Expressing, Staining

Figure 4. Distribution of MT2 melatonin receptors in camel spermatozoa, evaluated by the indirect immunoassay method. Immunostaining in head (H), acrosome (A), post-acrosome (PA), neck (N), tail (T) and apical edge (AE) was evidenced. Magnification 1000×. MT2 receptors (A,C,E,G) and bright field (B,D,F,H) are shown.

Journal: Animals : an open access journal from MDPI

Article Title: Melatonin in Male Dromedary Camel ( Camelus dromedarius ) Seminal Plasma and Its Specific MT1 and MT2 Receptors on Sperm Membranes.

doi: 10.3390/ani15010083

Figure Lengend Snippet: Figure 4. Distribution of MT2 melatonin receptors in camel spermatozoa, evaluated by the indirect immunoassay method. Immunostaining in head (H), acrosome (A), post-acrosome (PA), neck (N), tail (T) and apical edge (AE) was evidenced. Magnification 1000×. MT2 receptors (A,C,E,G) and bright field (B,D,F,H) are shown.

Article Snippet: Following three additional PBS washes, the spermatozoa were incubated with the primary antibody for melatonin receptor MT1 (MTNR1A mouse polyclonal antibody; Abnova, Taipei, Taiwan; Cat# H00004543-A01, Animals 2025, 15, 83 5 of 17 RRID: AB_462681) diluted 1:10 in PBS with 1% BSA, or the primary antibody for melatonin receptor MT2 (MTNR1B Rabbit Polyclonal Antibody, Acris Antibodies GmbH, Herford, Germany; Cat# AP01322PU-N, RRID: AB_1619198) diluted 1:20 in PBS with 1% BSA overnight at 4 ◦C in a wet chamber.

Techniques: Immunostaining

Figure 5. Indirect immunofluorescence controls. Samples were incubated with only the MT1 (A) or MT2 (C) primary or secondary antibody (E) and (G) for Alexa Fluor 594 anti-mouse antibody and Alexa Fluor 488 anti-rabbit antibody, respectively). Magnification 1000×. Fluorescence after 30 s exposition (A,C,E,G) and bright field (B,D,F,H) are shown.

Journal: Animals : an open access journal from MDPI

Article Title: Melatonin in Male Dromedary Camel ( Camelus dromedarius ) Seminal Plasma and Its Specific MT1 and MT2 Receptors on Sperm Membranes.

doi: 10.3390/ani15010083

Figure Lengend Snippet: Figure 5. Indirect immunofluorescence controls. Samples were incubated with only the MT1 (A) or MT2 (C) primary or secondary antibody (E) and (G) for Alexa Fluor 594 anti-mouse antibody and Alexa Fluor 488 anti-rabbit antibody, respectively). Magnification 1000×. Fluorescence after 30 s exposition (A,C,E,G) and bright field (B,D,F,H) are shown.

Techniques: Immunofluorescence, Incubation, Fluorescence

Figure 6. Comparison among age classes of males at different melatonin receptors localizations (MT1 (A) and MT2 (B)) in acrosome (A), post-acrosome (PA), head (H), neck (N), tail (T), cytoplasmic droplet (CD) and apical edge (AE). Values are shown as percentage of localization of n = 439 spermatozoa. * indicates p < 0.05.

Journal: Animals : an open access journal from MDPI

Article Title: Melatonin in Male Dromedary Camel ( Camelus dromedarius ) Seminal Plasma and Its Specific MT1 and MT2 Receptors on Sperm Membranes.

doi: 10.3390/ani15010083

Figure Lengend Snippet: Figure 6. Comparison among age classes of males at different melatonin receptors localizations (MT1 (A) and MT2 (B)) in acrosome (A), post-acrosome (PA), head (H), neck (N), tail (T), cytoplasmic droplet (CD) and apical edge (AE). Values are shown as percentage of localization of n = 439 spermatozoa. * indicates p < 0.05.

Techniques: Comparison

Distribution of MT2 melatonin receptors in camel spermatozoa, evaluated by the indirect immunoassay method. Immunostaining in head (H), acrosome (A), post-acrosome (PA), neck (N), tail (T) and apical edge (AE) was evidenced. Magnification 1000×. MT2 receptors ( A , C , E , G ) and bright field ( B , D , F , H ) are shown.

Journal: Animals : an Open Access Journal from MDPI

Article Title: Melatonin in Male Dromedary Camel ( Camelus dromedarius ) Seminal Plasma and Its Specific MT1 and MT2 Receptors on Sperm Membranes

doi: 10.3390/ani15010083

Figure Lengend Snippet: Distribution of MT2 melatonin receptors in camel spermatozoa, evaluated by the indirect immunoassay method. Immunostaining in head (H), acrosome (A), post-acrosome (PA), neck (N), tail (T) and apical edge (AE) was evidenced. Magnification 1000×. MT2 receptors ( A , C , E , G ) and bright field ( B , D , F , H ) are shown.

Article Snippet: After the blocking of non-specific sites on the membrane with SuperBlock Blocking Buffer (ThermoFisher Scientific, Waltham, MA, USA) for 10 min with shaking, the melatonin receptors were immunodetected by incubating for 1 h at room temperature with the primary antibody Mel-1A-R rabbit polyclonal antibody against the MT1 receptor (GeneTex Inc., Irvine, CA, USA; Cat# GTX100003, RRID: AB_1241048) or rabbit polyclonal antibody against the MT2 receptor (Acris Antibodies, GmbH, Herford, Germany; Cat# AP01322PU-N, RRID: AB_1619198), both diluted 1:500 in the Primary Antibody Diluent (ThermoFisher Scientific, Waltham, MA, USA).

Techniques: Immunostaining

Indirect immunofluorescence controls. Samples were incubated with only the MT1 ( A ) or MT2 ( C ) primary or secondary antibody ( E ) and ( G ) for Alexa Fluor 594 anti-mouse antibody and Alexa Fluor 488 anti-rabbit antibody, respectively). Magnification 1000×. Fluorescence after 30 s exposition ( A , C , E , G ) and bright field ( B , D , F , H ) are shown.

Journal: Animals : an Open Access Journal from MDPI

Article Title: Melatonin in Male Dromedary Camel ( Camelus dromedarius ) Seminal Plasma and Its Specific MT1 and MT2 Receptors on Sperm Membranes

doi: 10.3390/ani15010083

Figure Lengend Snippet: Indirect immunofluorescence controls. Samples were incubated with only the MT1 ( A ) or MT2 ( C ) primary or secondary antibody ( E ) and ( G ) for Alexa Fluor 594 anti-mouse antibody and Alexa Fluor 488 anti-rabbit antibody, respectively). Magnification 1000×. Fluorescence after 30 s exposition ( A , C , E , G ) and bright field ( B , D , F , H ) are shown.

Techniques: Immunofluorescence, Incubation, Fluorescence

Comparison among age classes of males at different melatonin receptors localizations (MT1 ( A ) and MT2 ( B )) in acrosome (A), post-acrosome (PA), head (H), neck (N), tail (T), cytoplasmic droplet (CD) and apical edge (AE). Values are shown as percentage of localization of n = 439 spermatozoa. * indicates p < 0.05.

Journal: Animals : an Open Access Journal from MDPI

Article Title: Melatonin in Male Dromedary Camel ( Camelus dromedarius ) Seminal Plasma and Its Specific MT1 and MT2 Receptors on Sperm Membranes

doi: 10.3390/ani15010083

Figure Lengend Snippet: Comparison among age classes of males at different melatonin receptors localizations (MT1 ( A ) and MT2 ( B )) in acrosome (A), post-acrosome (PA), head (H), neck (N), tail (T), cytoplasmic droplet (CD) and apical edge (AE). Values are shown as percentage of localization of n = 439 spermatozoa. * indicates p < 0.05.

Techniques: Comparison

Representative Western blot images showing the presence of MT1 ( A ) and MT2 ( B ) melatonin receptors in protein extracts from camel spermatozoa (M: Molecular weight marker (kDa), C: Camel sperm proteins, (+): Positive ram control).

Journal: Animals : an Open Access Journal from MDPI

Article Title: Melatonin in Male Dromedary Camel ( Camelus dromedarius ) Seminal Plasma and Its Specific MT1 and MT2 Receptors on Sperm Membranes

doi: 10.3390/ani15010083

Figure Lengend Snippet: Representative Western blot images showing the presence of MT1 ( A ) and MT2 ( B ) melatonin receptors in protein extracts from camel spermatozoa (M: Molecular weight marker (kDa), C: Camel sperm proteins, (+): Positive ram control).

Techniques: Western Blot, Molecular Weight, Marker, Control

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