This record provides bibliographic details and links to the original research. An editorial study breakdown is not available.
What the researchers found
Histone arginine methylation by PRMT4 in the basolateral amygdala controls neuropeptide Y expression and is required for reward-seeking behavior in rats.
Why it matters
Understanding how brain chemistry drives reward-seeking could inform treatments for overeating and addiction, where neuropeptide Y plays a key role.
The numbers in context
Increased PRMT4 and NPY in BLA after operant conditioning; H3R17me2a enrichment at NPY promoter; PRMT4 siRNA/inhibitor reduced nose-poke activity; NPY peptide restored activity
How the study worked
Rat operant conditioning for sucrose pellets. PRMT4 and NPY measured by immunohistochemistry. Chromatin immunoprecipitation for histone marks at NPY promoter. Intra-BLA injection of PRMT4 siRNA, inhibitor, and NPY peptide.
Who was studied
Adult Wistar rats trained in sucrose operant conditioning
What this study cannot tell us
Rat model; brain reward circuits differ from humans. Sucrose reward may not generalize to other reward types. Invasive brain injections are not clinically translatable. Small group sizes typical of behavioral neuroscience.
Read the original research
Histone Arginine Methylation Regulates Neuropeptide Y Expression in the Basolateral Amygdala to Promote Reward-Seeking Behaviour.
Cellular and molecular neurobiology, 45(1), 92
Citation
Sagarkar, Sneha; Rotti, Deepa; Raykar, Sahil; Upadhye, Gauri A; Sakharkar, Amul J. (2025). Histone Arginine Methylation Regulates Neuropeptide Y Expression in the Basolateral Amygdala to Promote Reward-Seeking Behaviour.. Cellular and molecular neurobiology, 45(1), 92. https://doi.org/10.1007/s10571-025-01614-5