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Knockout of the Circadian Clock Protein PER1 Results in Sex-Dependent Alterations of ET-1 Production in Mice in Response to a High Salt Diet plus Mineralocorticoid Treatment.
Abstract Previously, we showed that global knockout (KO) of the circadian clock transcription factor PER1 in male, but not female, mice fed a high salt diet plus mineralocorticoid treatment (HS/DOCP) resulted in non-dipping hypertension and decreased night/day ratio of sodium (Na) excretion. Additionally, we have shown that the endothelin-1 (ET-1) gene is targeted by both PER1 and aldosterone. We hypothesized that ET-1 would exhibit a sex-specific response to HS/DOCP treatment in PER1 KO. Here we show that male, but not female, global PER1 KO mice exhibit a decreased night/day ratio of urinary ET-1. Gene expressio...
Source: Canadian Journal of Physiology and Pharmacology - May 20, 2020 Category: Drugs & Pharmacology Authors: Douma LG, Crislip GR, Cheng KY, Barral D, Masten S, Holzworth MR, Roig E, Glasford K, Beguiristain K, Li W, Bratanatawira P, Lynch IJ, Cain BD, Wingo CS, Gumz ML Tags: Can J Physiol Pharmacol Source Type: research

A Novel Regulator of Preadipocyte Differentiation, Transcription Factor TCF21, Functions Partially Through Promoting LPL Expression
Discussion Excessive fat deposition in chickens can result in many undesirable consequences within the poultry industry, including reduced feeding efficiency (Zhou et al., 2006) and decreased reproductive performance (Walzem and Chen, 2014). Thus, broiler breeders urgently require a more thorough understanding of the molecular mechanism governing chicken adipogenesis. We previously found that broilers from lean and fat lines exhibit clear differences in reproductive performance (Zhang et al., 2018). In addition, TCF21 was found to be related to testis growth and development in these broilers (Zhang et al., 2017). In mice ...
Source: Frontiers in Physiology - April 22, 2019 Category: Physiology Source Type: research

FGF21 as Modulator of Metabolism in Health and Disease
In conclusion, FGF21 belongs to a promising class of cytokines that are induced in response to stress and that can be used as a drug, drug target, or through a biomarker, depending on the physio-pathological context. All these findings will become clear when FGF21 will be used as a therapeutic molecule, exploiting the beneficial effects of FGF21 for treating metabolic disease or when it will be blocked to ameliorate disease progression and the onset of disease. Author Contributions CT and MS wrote the manuscript. VR contributed to the discussion. Funding This work was supported from the AFM-Telethon (19524), Italian Mi...
Source: Frontiers in Physiology - April 16, 2019 Category: Physiology Source Type: research

Systems Biology Approaches and Precision Oral Health: A Circadian Clock Perspective
Conclusion Most head and neck pathologies show a broad cellular heterogeneity making it difficult to achieve an accurate diagnosis and efficient treatment (Graf and Zavodszky, 2017; Lo Nigro et al., 2017). Single cell analysis of circadian omics (Lande-Diner et al., 2015; Abraham et al., 2018), may be a crucial tool needed in the future to fully understand the circadian control of head and neck diseases. It becomes more obvious that there is only a small genetic component but a largely unknown epigenetics and/or environmental component for most of the head and neck pathologies (Moosavi and Motevalizadeh Ardekani, 2016; He...
Source: Frontiers in Physiology - April 15, 2019 Category: Physiology Source Type: research