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[Life style-related disease].

¹Department of Internal Medicine and Molecular Science, Osaka University Graduate School of Medicine.

Nihon Rinsho. Japanese Journal of Clinical Medicine

|February 24, 2001

Summary

Lifestyle diseases like diabetes and hypertension are linked to obesity. Visceral fat secretes proteins, such as plasminogen activator inhibitor-1 (PAI-1), that may contribute to vascular disease and other metabolic disorders.

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Area of Science:

Metabolic disease research
Adipose tissue biology
Vascular disease mechanisms

Context:

Lifestyle-related diseases, including diabetes, hyperlipidemia, hypertension, and atherosclerotic diseases, are increasingly prevalent.
Obesity, often resulting from overnutrition, is a common underlying factor for these conditions.
Adipose tissue is now recognized not just for energy storage but also as an endocrine organ secreting various metabolic regulators.

Purpose:

To investigate the role of adipose tissue-secreted proteins in the development of lifestyle-related diseases.
To identify specific adipokines implicated in obesity-associated metabolic and vascular complications.

Summary:

Adipose tissue, particularly visceral fat, expresses numerous secretory proteins (adipokines).
Plasminogen activator inhibitor-1 (PAI-1) is overexpressed in visceral fat in obesity and its plasma levels correlate with visceral adiposity, suggesting a role in vascular disease.
Adiponectin, another adipokine, is protective against atherosclerosis and its levels are inversely correlated with visceral adiposity.

Impact:

Dysregulated adipokine secretion from visceral fat may be a key factor in the pathogenesis of lifestyle-related diseases, especially atherosclerosis.
Understanding the role of specific adipokines like PAI-1 and adiponectin can inform therapeutic strategies for obesity and associated comorbidities.
This research highlights the critical contribution of adipose tissue endocrine function to whole-body metabolism and disease development.

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