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Dysfunctional adiposity index as a marker of adipose tissue morpho-functional abnormalities and metabolic disorders in apparently healthy subjects
Adipocyte ( IF 3.5 ) Pub Date : 2021-03-16 , DOI: 10.1080/21623945.2021.1893452
Juan Reyes-Barrera 1 , Victor H Sainz-Escárrega 2 , Aida X Medina-Urritia 1 , Esteban Jorge-Galarza 1 , Horacio Osorio-Alonso 3 , Margarita Torres-Tamayo 1 , Gabriela Leal-Escobar 4 , Carlos Posadas-Romero 1 , Ivan Torre-Villalvazo 5 , Juan G Juárez-Rojas 1
Affiliation  

ABSTRACT

Compared to body mass index, waist circumference (WC), and adiposity measurements, adipose tissue (AT) morpho-functionality evaluations are better predictors of cardiometabolic abnormalities (CA). The present study establishes a dysfunctional adiposity index (DAI) as an early marker of CA based on adipocytes morpho-functional abnormalities. DAI was established in 340 subjects without cardiovascular risk factors selected from a cross-sectional study (n=1600). Then, DAI was calculated in 36 healthy subjects who underwent subcutaneous AT biopsy. The correlation of DAI with adipocyte morphology (size/number) and functionality (adiponectin/leptin ratio) was analyzed. The DAI cut-off point was identified and its independent association with CA was determined in 1418 subjects from the cross-sectional study. The constant parameters to calculate the DAI were [WC/[22.79+[2.68*BMI]]]*[triglycerides (TG, mmol/L)/1.37]*[1.19/high density lipoprotein-cholesterol (HDL-C, mmol/L)] for males, and [WC/[24.02+[2.37*BMI]]]*[TG(mmol/L)/1.32]*[1.43/HDL-C(mmol/L)] for females. DAI correlated with adipocytes mean area, adipocyte number and adiponectin/leptin ratio. DAI ≥1.065 was independently associated with diabetes, non-alcoholic fatty liver disease, subclinical atherosclerosis, and hypertension. The present study highlights that DAI is associated with early CA independently of adiposity and other risk factors. Since DAI is obtained using accessible parameters, it can be easily incorporated into clinical practice for early identification of AT abnormalities in apparently healthy subjects.



中文翻译:

功能失调性肥胖指数作为表面健康受试者脂肪组织形态功能异常和代谢紊乱的标志

摘要

与体重指数、腰围 (WC) 和肥胖测量相比,脂肪组织 (AT) 形态功能评估是心脏代谢异常 (CA) 的更好预测指标。本研究基于脂肪细胞形态功能异常建立了功能失调性肥胖指数 (DAI) 作为 CA 的早期标志物。从横断面研究中选出的 340 名没有心血管危险因素的受试者(n=1600)建立了 DAI。然后,计算了 36 名接受皮下 AT 活检的健康受试者的 DAI。分析了 DAI 与脂肪细胞形态(大小/数量)和功能(脂联素/瘦素比率)的相关性。确定了 DAI 截止点,并在横断面研究的 1418 名受试者中确定了其与 CA 的独立关联。计算 DAI 的常数参数为 [WC/[22.79+[2.68*BMI]]]*[甘油三酯 (TG, mmol/L)/1.37]*[1.19/高密度脂蛋白-胆固醇 (HDL-C, mmol/ L)] 为男性,[WC/[24.02+[2.37*BMI]]]*[TG(mmol/L)/1.32]*[1.43/HDL-C(mmol/L)] 为女性。DAI 与脂肪细胞平均面积、脂肪细胞数量和脂联素/瘦素比率相关。DAI ≥1.065 与糖尿病、非酒精性脂肪肝、亚临床动脉粥样硬化和高血压独立相关。本研究强调 DAI 与早期 CA 相关,而与肥胖和其他风险因素无关。由于 DAI 是使用可访问的参数获得的,因此可以很容易地将其纳入临床实践,以早期识别表面健康受试者的 AT 异常。19/高密度脂蛋白胆固醇 (HDL-C, mmol/L)] 男性,[WC/[24.02+[2.37*BMI]]]*[TG(mmol/L)/1.32]*[1.43/HDL -C(mmol/L)] 用于女性。DAI 与脂肪细胞平均面积、脂肪细胞数量和脂联素/瘦素比率相关。DAI ≥1.065 与糖尿病、非酒精性脂肪肝、亚临床动脉粥样硬化和高血压独立相关。本研究强调 DAI 与早期 CA 相关,而与肥胖和其他风险因素无关。由于 DAI 是使用可访问的参数获得的,因此可以很容易地将其纳入临床实践,以早期识别表面健康受试者的 AT 异常。19/高密度脂蛋白胆固醇 (HDL-C, mmol/L)] 男性,[WC/[24.02+[2.37*BMI]]]*[TG(mmol/L)/1.32]*[1.43/HDL -C(mmol/L)] 用于女性。DAI 与脂肪细胞平均面积、脂肪细胞数量和脂联素/瘦素比率相关。DAI ≥1.065 与糖尿病、非酒精性脂肪肝、亚临床动脉粥样硬化和高血压独立相关。本研究强调 DAI 与早期 CA 相关,而与肥胖和其他风险因素无关。由于 DAI 是使用可访问的参数获得的,因此可以很容易地将其纳入临床实践,以早期识别表面健康受试者的 AT 异常。脂肪细胞数量和脂联素/瘦素比率。DAI ≥1.065 与糖尿病、非酒精性脂肪肝、亚临床动脉粥样硬化和高血压独立相关。本研究强调 DAI 与早期 CA 相关,而与肥胖和其他风险因素无关。由于 DAI 是使用可访问的参数获得的,因此可以很容易地将其纳入临床实践,以早期识别表面健康受试者的 AT 异常。脂肪细胞数量和脂联素/瘦素比率。DAI ≥1.065 与糖尿病、非酒精性脂肪肝、亚临床动脉粥样硬化和高血压独立相关。本研究强调 DAI 与早期 CA 相关,而与肥胖和其他风险因素无关。由于 DAI 是使用可访问的参数获得的,因此可以很容易地将其纳入临床实践,以早期识别表面健康受试者的 AT 异常。

更新日期:2021-03-16
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