Ex Vivo Transformation of White Adipose Tissue (WAT) Into Brown Adipose Tissue (BAT) in Morbidly Obese Patients Using the Ex Vivo Adipocyte Expansion (ExAdEx) Approach: Proof of Concept. From White to Brown Adipose Tissue

Rövid összefoglaló (regiszter, angolul)

Obesity and metabolic associated diseases such as type 2 diabetes, NASH, cardiovascular diseases, are the dysregulation of energy homeostasis associated with an imbalance between different types of adipose tissues (ATs). White AT (WAT) which stores energy and functions as a fat storage depot, is fibrotic whith chronic inflammation and is found in excess. On the other hand, brown and beige ATs (BATs), considered as the good ATs because they regulate energy expenditure, are almost undetectable in individuals with obesity. In addition, BAT and WAT produce different hormones that are involved in the control of energy homeostasis via central and peripheral actions. A promising emerging therapeutic approach is to restore BAT in patients with severe obesity in two ways, i) by stimulating BAT in individuals with obesity by pharmacological treatment, ii) by injecting BAT into individuals with obesity using a cell-based therapy approach. However, the development of these two proposals is limited both by the lack of in vitro preclinical BAT models relevant for the screening and validation stages of drug candidates, and by the lack of physiologically functional BAT compatible with tissue graft. The bottleneck is the absence of an unlimited source of human BAT. The ExAdEX technology makes possible in vitro to turn WAT derived from lean donors into BAT. This new technology offers the possibility of having in vitro predictive human 3D models suitable for the identification and characterization of compounds affecting AT biology, and paves the way for the production of BAT for cell-based therapy of obesity and associated metabolic diseases. The Primary objective of the study is addressed the effectiveness of the ExAdEx process to induce, ex vivo, the conversion of WAT from obese patients into TAB. The secondary objectives are 1) to compare the efficacy for conversion into BAT when WAT derived from either from visceral or from subcutaneous AT; 2) to investigate the capacity of the ExAdEX-BAT to produce the FGF21 and adiponectin batokines and to respond to insulin.

Mit vállalsz

• Vizsgálat típusa: Beavatkozással járó
• Bevont résztvevők: 10
• 2023. nov. 13. és az elsődleges befejezés (2024. jan. 18.) között
• 1 helyszín, 1 országban
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