ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2025
Sex Differences in Central Amygdala Glutamate Responses to Calcitonin Gene-Related Peptide.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Sex-dependent central amygdala physiology after supradural CGRP exposure is associated with migraine-like behaviors.The journal of headache and pain · 2026Article
- Article
- Biased signaling at NTSR1 differentially regulates inhibitory synaptic transmission in the extended amygdala and suppresses motivated feeding in mice.bioRxiv : the preprint server for biology · 2026Article
- Central amygdalar PKCδ neurons mediate fentanyl withdrawal.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026Article
- Centrally administered thromboxane AScientific reports · 2025Article
- Metabolic and Inflammatory Stimuli Impact Vascular Circulation and Cell Proliferation Processes in the Amygdala.Genes, brain, and behavior · 2025Article
- Calcitonin Gene-Related Peptide (CGRP)-Expressing Neurons in the External Lateral Parabrachial Area Regulate Pain-Induced Sleep Disturbances.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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Abstract
Women are disproportionately affected by chronic pain compared with men. While societal and environmental factors contribute to this disparity, sex-based biological differences in the processing of pain are also believed to play significant roles. The central lateral nucleus of the amygdala (CeLC) is a key region for the emotional-affective dimension of pain, and a prime target for exploring sex differences in pain processing since a recent study demonstrated sex differences in CGRP actions in this region. Inputs to CeLC from the parabrachial nucleus (PB) play a causal role in aversive processing and release both glutamate and calcitonin gene-related peptide (CGRP). CGRP is thought to play a crucial role in chronic pain by potentiating glutamatergic signaling in CeLC. However, it is not known if this CGRP-mediated synaptic plasticity occurs similarly in males and females. Here, we tested the hypothesis that female CeLC neurons experience greater potentiation of glutamatergic signaling than males following endogenous CGRP exposure. Using trains of optical stimuli to evoke transient CGRP release from PB terminals in CeLC, we find that subsequent glutamatergic responses are preferentially potentiated in CeLC neurons from female mice. This potentiation was CGRP dependent and involved a postsynaptic mechanism. This sex difference in CGRP sensitivity may explain sex differences in affective pain processing.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.