Phoenixin: A Newly Discovered Peptide with Multi-Functions.
Taoyan Yuan1, Zhongxin Sun2, Wanqiu Zhao1
1College of Animal Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
Protein and Peptide Letters
|February 9, 2017
Summary
Phoenixin (PNX), a peptide from C4orf52, regulates reproductive functions and other physiological processes. Its receptor, Gpr173, has been identified, but its full regulatory mechanism requires further investigation.
Area of Science:
- Neuroendocrinology
- Peptide research
- Physiology
Background:
- Phoenixin (PNX) is a novel peptide derived from C4orf52.
- PNX exists as two active isoforms: phoenixin-14 (PNX-14) amide and phoenixin-20 (PNX-20) amide.
- Initial research identified PNX as a reproductive peptide influencing the hypothalamus-pituitary-gonadal (HPG) axis.
Purpose of the Study:
- To review the current understanding of phoenixin (PNX).
- To explore PNX's diverse physiological roles beyond reproduction.
- To identify future research directions for clarifying PNX's regulatory mechanisms.
Main Methods:
- Literature review of existing studies on phoenixin (PNX).
- Analysis of research on PNX's effects on the HPG axis.
- Examination of studies investigating PNX's roles in pain, anxiety, and memory.
Main Results:
- PNX regulates key reproductive hormones and processes.
- PNX demonstrates additional roles in visceral pain, pruritus, anxiety, and memory.
- Gpr173 (SREB3) has been identified as the cognate receptor for PNX.
Conclusions:
- Phoenixin (PNX) is a pleiotropic peptide with significant physiological functions.
- Further research is needed to fully elucidate the regulatory mechanisms of PNX and its receptor Gpr173.
- Understanding PNX's multifaceted roles can open new therapeutic avenues.
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