Functions of exosomal microRNAs from adipose tissue in diabetes mellitus and related cardiovascular pathologies.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Adipose tissue is central to energy homeostasis and endocrine function, and its dysregulation is a key driver of metabolic disorders. Exosomes, serving as critical intercellular messengers, mediate systemic metabolic responses by delivering bioactive cargo, including nucleic acids, proteins, and lipids. Mounting evidence identifies adipose-derived exosomes as potent mediators of obesity-related inflammation and glucose metabolic dysfunction, thereby contributing to insulin resistance and diabetic complications. This review summarizes the pivotal roles of exosomal microRNAs (miRNAs) and highlights their significant potential as a novel class of small RNA therapeutics. Unlike synthetic delivery systems, exosomal miRNAs constitute an inherent delivery vehicle that synergizes natural targeting efficiency with potent gene regulatory functions. This unique combination enables the precise coordination of complex gene networks involved in metabolic disease, offering a distinct advantage over conventional single-target approaches. Consequently, exosomal miRNAs are positioned as promising candidates for pioneering RNA-based therapies against pervasive conditions such as diabetes and cardiovascular disease.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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