phosphorylated gr (ser 211) antibody (Cell Signaling Technology Inc)
Structured Review
![(a) Male and female rats were prepared with intravenous (IV) catheters and trained to self-administer (SA) methadone (unit dose: 300 μg/kg/0.1 ml) in 1 h ShA sessions (FR1) and split into ShA and LgA (12 h) groups. We used the unit dose of 300 μg/kg/0.1 ml based on studies that reported that rats dose-dependently self-administered methadone and that methadone substitutes for morphine [21–23]. We used the 300 μg/kg/0.1 ml dose for both sexes based on their similar response to methadone-induced antinociception and hyperalgesia during withdrawal [24]. Once rats in the LgA group significantly escalated their methadone self-administration, rats in both the ShA and LgA groups were acutely administered with mifepristone (0, 30, 60, and 90 mg/kg; intraperitoneal, 90 min before testing) in a within-subjects Latin-square design. (b) Methadone infusions (± SEM) in rats in the ShA and LgA groups. ***p < 0.0001, difference from session 1. ShA: n = 18 (10 males, 8 females). LgA: n = 18 (9 males, 9 females). To confirm that the rats in the LgA group exhibited greater signs of opioid dependence than rats in the ShA group, we tested the rats in the von Frey (VF) test to measure hyperalgesia during spontaneous withdrawal and naloxone-precipitated signs of somatic withdrawal (STW). (c) Phosphorylation of GRs at Ser232 in the CeA in rats in the LgA group relative to rats in the ShA group. The optical densities of total GR bands were normalized to the housekeeping protein GAPDH. Because there was no significant difference in total GR levels between the ShA and LgA groups, we normalized the optical densities of <t>phosphorylated</t> GR bands to the optical densities of total GR bands. ***p < 0.001, difference from ShA. ShA: n = 14 (7 males, 7 females). LgA: n = 12 (6 males, 6 females). (d, e) Methadone infusions (± SEM) in (d) rats in the ShA group and (e) rats in the LgA group. **p < 0.01, ***p = 0.0002, difference from 0 mg/kg (Dunnett’s post hoc comparisons). ShA: n = 18. LgA: n = 18.](https://pub-med-central-images-cdn.bioz.com/pub_med_central_ids_ending_with_6162/pmc10406162/pmc10406162__nihms-1916420-f0003.jpg)
Phosphorylated Gr (Ser 211) Antibody, supplied by Cell Signaling Technology Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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1) Product Images from "Corticosteroid Sensitization Drives Opioid Addiction"
Article Title: Corticosteroid Sensitization Drives Opioid Addiction
Journal: Molecular psychiatry
doi: 10.1038/s41380-022-01501-1
Figure Legend Snippet: (a) Male and female rats were prepared with intravenous (IV) catheters and trained to self-administer (SA) methadone (unit dose: 300 μg/kg/0.1 ml) in 1 h ShA sessions (FR1) and split into ShA and LgA (12 h) groups. We used the unit dose of 300 μg/kg/0.1 ml based on studies that reported that rats dose-dependently self-administered methadone and that methadone substitutes for morphine [21–23]. We used the 300 μg/kg/0.1 ml dose for both sexes based on their similar response to methadone-induced antinociception and hyperalgesia during withdrawal [24]. Once rats in the LgA group significantly escalated their methadone self-administration, rats in both the ShA and LgA groups were acutely administered with mifepristone (0, 30, 60, and 90 mg/kg; intraperitoneal, 90 min before testing) in a within-subjects Latin-square design. (b) Methadone infusions (± SEM) in rats in the ShA and LgA groups. ***p < 0.0001, difference from session 1. ShA: n = 18 (10 males, 8 females). LgA: n = 18 (9 males, 9 females). To confirm that the rats in the LgA group exhibited greater signs of opioid dependence than rats in the ShA group, we tested the rats in the von Frey (VF) test to measure hyperalgesia during spontaneous withdrawal and naloxone-precipitated signs of somatic withdrawal (STW). (c) Phosphorylation of GRs at Ser232 in the CeA in rats in the LgA group relative to rats in the ShA group. The optical densities of total GR bands were normalized to the housekeeping protein GAPDH. Because there was no significant difference in total GR levels between the ShA and LgA groups, we normalized the optical densities of phosphorylated GR bands to the optical densities of total GR bands. ***p < 0.001, difference from ShA. ShA: n = 14 (7 males, 7 females). LgA: n = 12 (6 males, 6 females). (d, e) Methadone infusions (± SEM) in (d) rats in the ShA group and (e) rats in the LgA group. **p < 0.01, ***p = 0.0002, difference from 0 mg/kg (Dunnett’s post hoc comparisons). ShA: n = 18. LgA: n = 18.
Techniques Used: Phospho-proteomics
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