Research

Hormonal

In obese and insulin-resistant individuals, adipose tissue exhibits a structural remodeling characterized by decreased capillary density, increased large vessel formation, reduced elastin, and increased Collagen V deposition around large vessels, which collectively inhibit angiogenesis and promote tissue stiffness.

This research highlights that obesity involves complex structural changes in fat tissue, specifically a shift toward stiffer tissue with fewer capillaries and more large vessels. While this paper does not prescribe a specific exercise or diet, it underscores that metabolic health is closely tied to tissue structure. Managing insulin sensitivity through lifestyle interventions may help mitigate these structural changes, though the paper focuses on describing the pathology rather than offering a treatment protocol.

GoodSupportsHIGH confidence
The adipose tissue from obese/insulin-resistant subjects has fewer capillaries and more large vessels as compared with lean subjects. The ECM of adipose tissue may play an important role in regulating the expandability as well as angiogenesis of adipose tissue.
Michael Spencer et al. · The Journal of Clinical Endocrinology & Metabolism · 2011

Why this rating

Strong human observational data combined with in vitro mechanistic validation, though limited by the small subgroup size (n=17) for histological analysis.

Source

Adipose Tissue Extracellular Matrix and Vascular Abnormalities in Obesity and Insulin Resistance

Michael Spencer et al. · The Journal of Clinical Endocrinology & Metabolism · 2011

DOI 10.1210/jc.2011-1567

cross_sectional · n=74Cited 279×
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DOI resolved against Crossref · corpus check 2026-06-10

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