Crislip 2022 Biomolecules

From Bioblast
Publications in the MiPMap
Crislip GR, Wohlgemuth SE, Wolff CA, Gutierrez-Monreal MA, Douglas CM, Ebrahimi E, Cheng KY, Masten SH, Barral D, Bryant AJ, Esser KA, Gumz ML (2022) Apparent absence of BMAL1-dependent skeletal muscle-kidney cross talk in mice. https://doi.org/10.3390/biom12020261

Β» Biomolecules 12:261. PMID: 35204763 Open Access

Crislip Gene Ryan,  Wohlgemuth Stephanie E,  Wolff Christopher A,  Gutierrez-Monreal Miguel A, Douglas Collin M,  Ebrahimi Elnaz, Cheng Kit-Yan,  Masten Sarah H,  Barral Dominique,  Bryant Andrew J,  Esser Karyn A, Gumz Michelle L (2022) Biomolecules

Abstract: BMAL1 is a core mammalian circadian clock transcription factor responsible for the regulation of the expression of thousands of genes. Previously, male skeletal-muscle-specific BMAL1-inducible-knockout (iMS-BMAL1 KO) mice have been described as a model that exhibits an aging-like phenotype with an altered gait, reduced mobility, muscle weakness, and impaired glucose uptake. Given this aging phenotype and that chronic kidney disease is a disease of aging, the goal of this study was to determine if iMS-BMAL1 KO mice exhibit a renal phenotype. Male iMS-BMAL1 KO and control mice were challenged with a low potassium diet for five days. Both genotypes responded appropriately by conserving urinary potassium. The iMS-BMAL1 KO mice excreted less potassium during the rest phase during the normal diet but there was no genotype difference during the active phase. Next, iMS-BMAL1 KO and control mice were used to compare markers of kidney injury and assess renal function before and after a phase advance protocol. Following phase advance, no differences were detected in renal mitochondrial function in iMS-BMAL1 KO mice compared to control mice. Additionally, the glomerular filtration rate and renal morphology were similar between groups in response to phase advance. Disruption of the clock in skeletal muscle tissue activates inflammatory pathways within the kidney of male mice, and there is evidence of this affecting other organs, such as the lungs. However, there were no signs of renal injury or altered function following clock disruption of skeletal muscle under the conditions tested. β€’ Keywords: Circadian clock genes, Integrative physiology, Renal function β€’ Bioblast editor: Plangger M β€’ O2k-Network Lab: US FL Gainesville Wohlgemuth SE


Labels: MiParea: Respiration, Genetic knockout;overexpression 


Organism: Mouse  Tissue;cell: Kidney  Preparation: Isolated mitochondria 


Coupling state: LEAK, OXPHOS, ET  Pathway: N, S, CIV, NS, ROX  HRR: Oxygraph-2k 

2022-12 


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