Topics · metabolism

metabolism mitochondria briefs

22 importance briefs tagged metabolism, including the current week and the archive.

• biorxiv2026-08-03score 93

  Activation of the NAD⁺–Sirtuin Axis Protects Against Chronic Doxorubicin-Induced Subclinical Renal Tubular Injury Through Restoration of…

  Scientific focus: redox biology, metabolism, immunology, cancer. Core claim (from abstract): We investigated whether chronic low-dose DOX exposure induces persistent mitochondrial dysfunction in renal tubules and evaluated the therapeutic potential of activating the NAD⁺–Sirtuin axis. Dysfunction linkage: mitochondrial dysfunction; functional impairment; oxidative stress; inflammation. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• medrxiv2026-08-06score 86

  GLP-1 Refractory Obesity Is Associated with Inferior Weight Loss After Bariatric Surgery and a Distinct Hepatic Mitochondrial Phenotype

  Scientific focus: OXPHOS, metabolism, therapeutics, structural biology. Core claim (from abstract): Objectives To characterize the hepatic histological, ultrastructural, and molecular phenotype of GRO at bariatric surgery, determine its recovery following surgery, and identify preoperative hepatic biomarkers associated with postoperative weight loss. Dysfunction linkage: mitochondrial dysfunction; OXPHOS / ETC; disease context; systemic metabolic stress. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-07-31score 83

  Metformin enhances differentiation and function of skeletal muscle in models of Facioscapulohumeral Muscular Dystrophy (FSHD)

  Scientific focus: redox biology, metabolism, therapeutics, computational. Core claim (from abstract): Metabolic perturbation, mitochondrial dysfunction, and oxidative stress are key contributors to FSHD pathology. Dysfunction linkage: mitochondrial dysfunction; oxidative stress; reactive oxygen species; disease context. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-08-03score 82

  Mitochondrial and protein homeostasis pathways are transcriptionally impaired in islets during type 1 diabetes pathogenesis

  Scientific focus: mitochondrial dynamics, redox biology, metabolism, immunology. Core claim (from abstract): In pancreas tissue from donors across the natural history of T1D, we utilized an in-situ, whole - islet phenotypical and transcriptomic approach to unravel novel targets in the glucose-stimulus coupled secretion pathway that are similarly impaired in T-cell infiltrated and non-infiltrated islets. Dysfunction linkage: mitochondrial dysfunction; functional impairment; bioenergetics; disease context. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-08-04score 78

  Gut-Associated Metabolites (GAMs) revitalize dysfunctional CD8⁺ T lymphocytes in Osteosarcoma

  Scientific focus: apoptosis, metabolism, immunology, cancer. Core claim (from abstract): Here we report that peripheral CD8⁺ T lymphocytes in osteosarcoma patients are less frequent in circulation, hypo-producers of effector cytokines (IFN-γ and TNF-α), and have compromised metabolic fitness․ We characterized and investigated the effect of a panel of microbiota-derived GAMs on CD8⁺ T lymphocytes, confirming their immunomodulatory role with respect to CD8⁺ T lymphocytes activation, cellular metabolism and effector functions․ Indole-3-lactic acid (ILA; product of tryptophan metabolism), was observed to be the strongest immunostimulant among all the GAMs studied. Dysfunction linkage: mitochondrial dysfunction; functional impairment; cell death; cancer. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-08-04score 77

  FAM136A is an essential chaperone for mitochondrial membrane protein biogenesis

  Scientific focus: OXPHOS, biogenesis, metabolism, genetics. Core claim (from abstract): ABSTRACT The metabolic and signaling function of mitochondria rely on a network of chaperones within the inner membrane space (IMS) that regulate the biogenesis of nascent mitochondrial proteins. Dysfunction linkage: OXPHOS / ETC; systemic metabolic stress. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-08-04score 76

  A guanosine metabolism-bioenergetics intersection drives Parkinson’s disease

  Scientific focus: metabolism, neurobiology. Core claim (from abstract): We show here that the reliance on these two purine-based metabolites intersect at another PD susceptibility gene that encodes nucleoside diphosphate kinase (NDK) which converts ATP into GTP. Dysfunction linkage: mitochondrial dysfunction; functional impairment; bioenergetics; disease context. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-08-01score 76

  Combinatorial sequence elements fine-tune mitochondrial protein import to facilitate dual localization

  Scientific focus: mitophagy, redox biology, metabolism. Core claim (from abstract): Here, we identify multiple sequence elements that compromise the matrix localization of the phosphatase PPTC7 to facilitate its accumulation at the outer mitochondrial membrane (OMM), where it regulates mitophagy. Dysfunction linkage: mitophagy. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-07-31score 76

  Loss of neurofibromin alters adult metabolism via effects during a developmental critical period

  Scientific focus: OXPHOS, redox biology, metabolism, neurobiology. Core claim (from abstract): Neurofibromatosis type 1 (OMIM 162200) is a genetic disorder that results from mutations in the NF1 gene and its encoded neurofibromin protein (Nf1). Dysfunction linkage: OXPHOS / ETC; disease context; systemic metabolic stress. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-08-05score 75

  Endocytosis of ALK promotes glucose uptake in ALK -amplified neuroblastoma

  Scientific focus: redox biology, metabolism, cancer, genetics. Core claim (from abstract): We recently identified a noncanonical mechanism in which RTK-containing endocytic vesicles deliver extracellular glucose to hexokinases associated with the outer mitochondrial membrane, thereby promoting cellular glucose uptake. Dysfunction linkage: functional impairment; cancer; systemic metabolic stress. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-07-31score 75

  Restoration of Redox Homeostasis and Endogenous Aldehyde Detoxification by UT-018 Following Acute Ethanol Exposure

  Scientific focus: redox biology, metabolism, computational. Core claim (from abstract): Oxidation of ethanol by alcohol dehydrogenase (ADH) consumes nicotinamide adenine dinucleotide (NAD) while generating NADH, shifting the intracellular redox state toward a highly reduced environment that impairs mitochondrial function, limits endogenous aldehyde dehydrogenase (ALDH)-mediated acetaldehyde clearance, and promotes oxidative stress and tissue injury. Dysfunction linkage: functional impairment; oxidative stress; systemic metabolic stress. High priority for readers tracking mitochondrial pathophysiology and translational mito biology.

• biorxiv2026-07-31score 73

  A Grape Seed Oligomeric Procyanidin Extract Reverses Diet-Induced Obesity Through Gut Microbiota Remodeling and Restoration of GLP-1, Gut…

  Scientific focus: redox biology, metabolism, neurobiology, immunology. Core claim (from abstract): Background Obesity is a complex multifactorial disease associated with chronic low grade inflammation, gut microbiota dysbiosis, and impaired gut-brain communication. Dysfunction linkage: functional impairment; disease context; inflammation; systemic metabolic stress. Moderate priority: useful for specialists in the listed topics.

• biorxiv2026-08-04score 72

  SAMHD1 enhances HIV-1-induced glycolysis in monocytic cells through hexokinase 2 upregulation

  Scientific focus: apoptosis, redox biology, metabolism, immunology. Core claim (from abstract): Building on our previous finding that SAMHD1 promotes mitochondrial membrane damage in HIV-1-infected monocytic cells, here we identify a new function for SAMHD1 in enhancing HIV-1-induced glycolysis through upregulation of hexokinase 2 (HK2). Dysfunction linkage: organelle damage; oxidative stress; reactive oxygen species; cell death. Moderate priority: useful for specialists in the listed topics.

• biorxiv2026-08-04score 67

  A single Omicron mutation reshapes ORF3a-driven host-cell remodelling

  Scientific focus: metabolism, aging, structural biology, computational. Core claim (from abstract): Here, we combine complementary imaging approaches to define ORF3a function at nanometric scale, identifying underlying mechanisms, and determining how Omicron variant rewire this activity. Dysfunction linkage: aging; systemic metabolic stress. Moderate priority: useful for specialists in the listed topics.

• biorxiv2026-08-06score 66

  A Multiscale Computational Framework for the Mg-28 Radio-Cofactor Hypothesis

  Scientific focus: mitochondrial dynamics, redox biology, metabolism, cancer. Core claim (from abstract): Enzymatic cofactors occupy a uniquely fundamental position within this architecture: they enable catalytic activity itself. Dysfunction linkage: cancer; systemic metabolic stress. Moderate priority: useful for specialists in the listed topics.

• biorxiv2026-08-04score 66

  Deep-ultraviolet microscopy reveals biomolecular spatiotemporal intracellular dynamics

  Scientific focus: mitochondrial dynamics, redox biology, metabolism, aging. Core claim (from abstract): In this work, we demonstrate deep-ultraviolet (UV) microscopy as a powerful, label-free, high-resolution approach for quantifying multiscale intracellular dynamics with biomolecular specificity. Dysfunction linkage: disease context; aging; systemic metabolic stress. Moderate priority: useful for specialists in the listed topics.

• biorxiv2026-08-04score 66

  A Modular Platform for Purification of Organelle-associated Mitochondria Reveals Functional Specialization at Organelle Contact Sites

  Scientific focus: mitochondrial dynamics, metabolism. Core claim (from abstract): Organelle contact sites are spatially restricted hubs that regulate mitochondrial metabolism, signaling, and dynamics, and are therefore well positioned to influence mitochondrial specialization. Dysfunction linkage: systemic metabolic stress. Moderate priority: useful for specialists in the listed topics.

• biorxiv2026-08-04score 65

  Non-Invasive Embryo Quality Assessment via Matrix-Optimized Untargeted LC-MS Metabolomics of Spent Embryo Culture Media and Weighted Ense…

  Scientific focus: redox biology, metabolism, computational. Core claim (from abstract): Results We systematically optimized sample preparation for untargeted LC-MS metabolomics of SECM using human serum as a reference. Dysfunction linkage: systemic metabolic stress. Moderate priority: useful for specialists in the listed topics.

• medrxiv2026-07-31score 65

  TruBlk TM Shilajit Resin Supplementation Improves Muscle Strength, Endurance, and Exercise Recovery in Males Undertaking Resistance Train…

  Scientific focus: redox biology, metabolism, therapeutics. Core claim (from abstract): Prior controlled trials have demonstrated increases in testosterone and retention of muscular strength with purified shilajit, though large trials in resistance-trained populations have been absent. Dysfunction linkage: organelle damage. Moderate priority: useful for specialists in the listed topics.

• biorxiv2026-08-04score 64

  Decoding EGFR ligand bias through an endocytic organelle platform

  Scientific focus: metabolism, immunology. Core claim (from abstract): Here, we identify a receptor-proximal mechanism that links ligand-specific EGFR activation to distinct endocytic and biological outputs. Dysfunction linkage: systemic metabolic stress. Moderate priority: useful for specialists in the listed topics.

• biorxiv2026-08-01score 64

  Cross-species neural co-culture uncovers metabolic signatures of cellular crosstalk

  Scientific focus: redox biology, metabolism, neurobiology, immunology. Core claim (from abstract): This increase in brain size evolved alongside advanced cognitive abilities as well as an elevated energetic demand. Dysfunction linkage: systemic metabolic stress. Moderate priority: useful for specialists in the listed topics.

• biorxiv2026-08-05score 48

  A proximity biotinylation approach for the identification of membrane contact site proteins in Toxoplasma gondii

  Scientific focus: metabolism, structural biology, computational. Core claim (from abstract): Yet, little is known about the makeup or function of their MCSs, leaving a gap in our understanding of how organelles communicate beyond conventional model eukaryotes. Dysfunction linkage: disease context. Lower priority within the current window unless the topic matches a narrow research focus.

Also: redox biology · computational · therapeutics · structural biology · immunology · aging · neurobiology · cancer