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Updated: Aug 30, 2025

Bioinformatics Resources for the Study of Glycan-Mediated Protein Interactions
Published on: January 20, 2022
Brain atlas for glycoprotein hormone receptors at single-transcript level
Vitaly Ryu1,2, Anisa Gumerova1,2, Funda Korkmaz1,2
1Center for Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, United States.
Anterior pituitary hormones act on brain receptors. This study maps TSHR, LHCGR, and FSHR expression in the mouse and human brain, revealing novel roles in neural and somatic functions and potential links to Alzheimer's disease.
Area of Science:
- Neuroendocrinology
- Neuroanatomy
- Molecular Biology
Background:
- Anterior pituitary hormones regulate somatic tissues but also act on brain receptors.
- The neuroanatomical distribution of glycoprotein hormone receptors (TSHR, LHCGR, FSHR) in the brain is largely uncharacterized.
- Understanding brain expression is crucial for elucidating central neural and peripheral somatic functions.
Purpose of the Study:
- To create a comprehensive neuroanatomical atlas of TSHR, LHCGR, and FSHR expression in the brain.
- To investigate the presence and localization of these receptors in both murine and human brain samples.
- To identify potential functional roles and disease associations of brain glycoprotein hormone receptors.
Main Methods:
- Utilized RNAscope and ViewRNA technologies for single-transcript level detection of mRNA.
- Validated mRNA expression with protein level analysis.
- Mapped receptor expression across 173 (TSHR), 353 (FSHR), and 401 (LHCGR) brain regions using the Atlas for the Mouse Brain in Stereotaxic Coordinates.
Main Results:
- Documented extensive expression of TSHR, LHCGR, and FSHR across numerous brain regions, nuclei, and subnuclei in mice.
- Identified FSHR transcripts co-localized with MALAT1-positive neurons in human brain samples.
- Observed high expression in the ventricular region and specific localization of FSHR in Alzheimer's disease-vulnerable dentate gyrus neurons.
Conclusions:
- The developed atlas provides a vital resource for studying brain glycoprotein hormone receptor functions.
- Reveals novel expression patterns, including in the ependymal layer and specific neuronal populations.
- Suggests potential links between brain glycoprotein hormone receptor activity and somatic functions, opening avenues for disease research.
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