Brainstem BDNF neurons are downstream of GFRAL/GLP1R signalling

Claire H Feetham
University of Manchester
December 30, 2024
Nat Commun
https://pubmed.ncbi.nlm.nih.gov/39737892

This article is currently being updated. View its version on PubMed.

https://pubmed.ncbi.nlm.nih.gov/39737892

Research summary

This study investigates the role of brain-derived neurotrophic factor (BDNF) neurons in the brainstem as downstream effectors of GFRAL and GLP-1 receptor (GLP1R) signaling pathways. The research explores how these pathways interact to regulate energy balance and feeding behavior.

Key outcome of the study

Gfral-Cre Model: Activation of GFRAL-expressing neurons influenced feeding behavior, indicating their role in appetite regulation. Prlh-Cre Model: PRLH-expressing neurons were found to act downstream of GFRAL/GLP1R signaling pathways, contributing to the modulation of feeding behavior.

Model

1. Gfral-Cre Knockin Mouse Model: A Cre-driver line with the Gfral gene promoter driving Cre recombinase expression, enabling targeted gene manipulation in GFRAL-expressing neurons. 2. Prlh-Cre Knockin Mouse Model: A Cre-driver line with the Prlh gene promoter driving Cre recombinase expression, allowing for specific gene manipulation in PRLH-expressing neurons.

TARGET:
Gfral & Prlh
Synonyms:
1. GDNF family receptor alpha-like 2. Prolactin-releasing hormone

Keywords

Neuroscience, Appetite regulation, Energy homeostasis, Neuroendocrinology, Feeding behavior

Technical specifications

Cre-loxP system, Knockin mouse models, Neuron-specific gene manipulation, Conditional gene expression, Neurocircuitry analysis, IRES

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