Mitochondrial Heterogeneity in Metabolic Diseases

Overview

Journal Biology (Basel)

Publisher MDPI

Specialty Biology

Date 2021 Sep 28

PMID 34571805

Citations 12

Authors

Jennifer Ngo

Corey Osto

Frankie Villalobos

Orian S Shirihai

Affiliations

Soon will be listed here.

Abstract

Mitochondria have distinct architectural features and biochemical functions consistent with cell-specific bioenergetic needs. However, as imaging and isolation techniques advance, heterogeneity amongst mitochondria has been observed to occur within the same cell. Moreover, mitochondrial heterogeneity is associated with functional differences in metabolic signaling, fuel utilization, and triglyceride synthesis. These phenotypic associations suggest that mitochondrial subpopulations and heterogeneity influence the risk of metabolic diseases. This review examines the current literature regarding mitochondrial heterogeneity in the pancreatic beta-cell and renal proximal tubules as they exist in the pathological and physiological states; specifically, pathological states of glucolipotoxicity, progression of type 2 diabetes, and kidney diseases. Emphasis will be placed on the benefits of balancing mitochondrial heterogeneity and how the disruption of balancing heterogeneity leads to impaired tissue function and disease onset.

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