Advances in Circadian Clock Regulation of Reproduction and Metabolism

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Physiology and Pathology".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 2615

Special Issue Editors


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Guest Editor
College of Veterinary Medicine, Northwest A&F University, Yangling, China
Interests: circadian clock; circadian rhythm; circadian clock gene; reproduction; metabolism; testis; ovary; liver; steroid hormones synthesis; ovarian follicular development; endoplasmic reticulum stress; lipid metabolism; glucose metabolism; glycogen synthesis

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Guest Editor
Department of Physiology, College of Medicine, Taipei Medical University, Taiwan, China
Interests: neuroscience; chronobiology; hepatology; circadian clock; liver; polyploidy

Special Issue Information

Dear Colleagues,

Circadian clocks are cell-autonomous oscillators that provide organisms with an internal mechanism to maintain coherent order in a rhythmic environment. Circadian clocks drive numerous circadian rhythmic changes in physiological functions and behaviors, including sleep-wake cycles, feeding behaviors, reproduction, and metabolism. In mammals, the central circadian pacemaker controlling circadian rhythms resides in the suprachiasmatic nuclei (SCN) of the hypothalamus. Circadian clocks also exist in many peripheral tissues, including the liver, heart, kidney, white adipose tissue, testis, ovary, and uterus. Both the SCN and peripheral circadian clocks share a molecular mechanism comprising a subset of circadian clock genes and their protein products. The SCN orchestrates peripheral circadian clocks via humoral and neuronal pathways, thereby maintaining mammalian reproductive and metabolic homeostasis. Therefore, Circadian disturbances (circadian clock genes mutation, shift work, jet lag) are often associated with metabolic diseases and reproductive disorders.     

This Special Issue of Life, entitled “Advances in Circadian Clock Regulation of Metabolism and Reproduction”, will comprise a selection of research papers and reviews covering mammalian circadian clock regulation of metabolism and reproduction. Contributions on the relationship between the circadian clock, reproduction, and metabolism, as well as the circadian disruption for health, will be welcome. Studies on chronotherapy modulating circadian rhythms for the cure and prevention of metabolic diseases and reproductive disorders will also be considered.

Dr. Huatao Chen
Dr. Hsu-Wen Chao
Guest Editors

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Keywords

  • Circadian clock
  • Circadian rhythms
  • Circadian disruptions
  • Reproduction
  • Metabolism
  • Ovary
  • Testis
  • Uterus
  • Liver
  • White adipose tissue
  • Embryo implantation
  • Energy metabolism
  • Lipid
  • Glucose
  • Glycogen
  • Protein

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Published Papers (1 paper)

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Research

15 pages, 4499 KiB  
Article
Circadian Genes MBOAT2/CDA/LPCAT2/B4GALT5 in the Metabolic Pathway Serve as New Biomarkers of PACA Prognosis and Immune Infiltration
by Qingqing Wang, Shuning Zhou, Xinyi Hu, Xianggang Wang, Xue Wu, Ziyou Huai, Yu Gao and Shujing Li
Life 2023, 13(5), 1116; https://doi.org/10.3390/life13051116 - 30 Apr 2023
Cited by 2 | Viewed by 1995
Abstract
Pancreatic cancer (PACA) is a highly malignant tumor with a poor prognosis. Recent studies have discovered substantial differences in the expression levels of several circadian genes in PACA samples compared to normal samples. The goal of this research was to find differentially expressed [...] Read more.
Pancreatic cancer (PACA) is a highly malignant tumor with a poor prognosis. Recent studies have discovered substantial differences in the expression levels of several circadian genes in PACA samples compared to normal samples. The goal of this research was to find differentially expressed rhythm genes (DERGs) in PACA samples and determine their role in the development of PACA. A total of 299 DERGs were identified in PACA, including 134 downregulated genes and 165 upregulated genes. DERGs were significantly abundant in the metabolic pathway and immune response pathways, according to GO and KEGG analyses. Survival analyses showed that PACA patients who had higher expression levels of MBOAT2/CDA/LPCAT2/B4GALT5 had shorter overall survival times. Using cell assay verification, the mRNA levels of MBOAT2/CDA/LPCAT2/B4GALT5 in Patu-8988 and PNAC-1 cells were found to be significantly higher than those in HPDE6-C7 cells, which was in line with previous studies on PACA patient data. Through conducting univariate Cox analysis, it was determined that MBOAT2/CDA/LPCAT2/B4GALT5 expression, age and grade were all high-risk factors. The MBOAT2/CDA/LPCAT2/B4GALT5 genes were independently correlated with overall survival, according to the multivariate Cox analysis. The proportion of immune cells in PACA and normal samples significantly changed, according to the immune infiltration analysis. Furthermore, MBOAT2/CDA/LPCAT2/B4GALT5 expression levels were significantly related to the level of immune cell infiltration. The protein–protein interaction network of the MBOAT2/CDA/LPCAT2/B4GALT5 genes included 54 biological nodes and 368 interacting genes. In conclusion, the finding of these DERGs adds to the investigation of the molecular processes underlying the onset and progression of PACA. In the future, DERGs may serve as prognostic and diagnostic biomarkers as well as drug targets for chronotherapy in PACA patients. Full article
(This article belongs to the Special Issue Advances in Circadian Clock Regulation of Reproduction and Metabolism)
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