Authors
Gabriela Ferreira Abud, Ellen Cristini de Freitas, Kristin I Stanford
Published in
Current obesity reports. Volume 15. Issue 1. Sep 10, 2026. Epub Sep 10, 2026.
Abstract
This review summarizes obesity-induced adaptations in subcutaneous and visceral white adipose tissue (WAT) depots and discusses how incretin-based pharmacotherapies and bariatric surgery may influence WAT remodeling beyond weight loss, drawing on evidence from animal models and human studies.
In obesity, adipose tissue undergoes pathological remodeling characterized by structural and cellular changes, extracellular matrix (ECM) remodeling, altered endocrine signaling, and impaired mitochondrial function that contribute to metabolic comorbidities. Weight-loss interventions, including incretin-based therapies and bariatric surgery, are associated with improvements in adiposity and metabolic outcomes, and multiple studies suggest accompanying changes in inflammatory, mitochondrial/thermogenic, and endocrine pathways within WAT; however, mechanistic evidence in humans remains heterogeneous and is often limited by tissue accessibility and study design. This review highlights candidate cellular and molecular mechanisms through which incretin-based pharmacotherapies and bariatric surgery may modulate WAT plasticity, emphasizing convergent and distinct effects across depots and the need for more longitudinal, tissue-level human studies to define weight-dependent remodeling versus changes not fully explained by weight loss.
PMID:
42720874
Bibliographic data and abstract were imported from PubMed on 11 Sep 2026.
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