Visceral fat: a bad companion for mineralocorticoid receptor overactivation

Yoshida, Yuichi; Shibata, Hirotaka

doi:10.1038/s41440-023-01238-6

Hypertens Res

2023

DOI: 10.1038/s41440-023-01238-6

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Visceral fat: a bad companion for mineralocorticoid receptor overactivation

Yuichi Yoshida

Hirotaka Shibata

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Cited by 3 publications

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Mechanisms and treatment of obesity-related hypertension—Part 1: Mechanisms

Parvanova,

Reseghetti,

Abbate

et al. 2023

Clinical Kidney Journal

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The prevalence of obesity has tripled over the past five decades. Obesity, especially visceral obesity, is closely related to hypertension, increasing the risk of primary (essential) hypertension by 65–75%. Hypertension is a major risk factor for cardiovascular disease, the leading cause of death worldwide, and its prevalence is rapidly increasing following the pandemic rise in obesity. Although the causal relationship between obesity and high blood pressure (BP) is well established, the detailed mechanisms for such association are still under research. For more than thirty years sympathetic nervous system (SNS) and kidney sodium reabsorption activation, secondary to insulin resistance and compensatory hyperinsulinemia, have been considered as primary mediators of elevated BP in obesity. However, experimental and clinical data show that severe insulin resistance and hyperinsulinemia can occur in the absence of elevated BP, challenging the causal relationship between insulin resistance and hyperinsulinemia as the key factor linking obesity to hypertension. The purpose of Part 1 of this review is to summarize the available data on recently emerging mechanisms believed to contribute to obesity-related hypertension through increased sodium reabsorption and volume expansion, such as: physical compression of the kidney by perirenal/intrarenal fat and overactivation of the systemic/renal SNS and the renin-angiotensin-aldosterone system (RAAS). The role of hyperleptinemia, impaired chemoreceptor and baroreceptor reflexes, and increased perivascular fat is also discussed. Specifically targeting these mechanisms may pave the way for a new therapeutic intervention in the treatment of obesity-related hypertension in the context of ‘precision medicine’ principles, which will be discussed in Part 2.

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Mechanisms and treatment of obesity-related hypertension—Part 1: Mechanisms

Parvanova,

Reseghetti,

Abbate

et al. 2023

Clinical Kidney Journal

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Subtype-specific Body Composition and Metabolic Risk in Patients With Primary Aldosteronism

Park,

Ahn,

Kim

et al. 2023

The Journal of Clinical Endocrinology &Amp; Metabolism

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Background Primary aldosteronism (PA) is associated with increased metabolic risks. However, controversy exists as to which subtype of PA has a higher metabolic risk between bilateral and lateralized PA. This study aimed to assess the body composition of 2 PA subtypes, bilateral PA and lateralized PA, according to sex and autonomous cortisol secretion (ACS) and their contribution to comorbidities. Design and Methods A total of 400 patients with PA (females, n = 210) and 1:10 age- and sex-matched healthy controls (n = 4000) were enrolled. The skeletal muscle area (SMA), subcutaneous fat area, and visceral fat area (VFA) at the third lumbar spine were calculated using abdominal computed tomography-based body composition analysis. Results Patients with bilateral PA had higher body mass index (BMI) in both sexes (all P < .05). Hemoglobin A1c level and the prevalence of diabetes were higher in female patients with bilateral PA than in those with lateralized PA (all P < .05). The VFA/BMI ratio was significantly higher in bilateral PA patients than in lateralized PA patients (5.77 ± 2.69 vs 4.56 ± 2.35 in men; 4.03 ± 2.58 vs 2.53 ± 2.05 in women, all P < .001). PA patients with ACS showed decreased SMA compared to those without ACS. Compared with healthy controls, all patients with bilateral PA and female patients with lateralized PA showed significantly higher VFA and VFA/BMI. Conclusions Patients with bilateral PA were more obese and had higher VFA levels than those with lateralized PA. Despite a milder form of PA, this metabolically unfavorable visceral fat distribution may lead to a higher metabolic risk in patients with bilateral PA.

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Lower Visceral Fat is Related to Diabetic Peripheral Neuropathy

Sun,

Zhang,

Yang

et al. 2024

DMSO

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Visceral fat area (VFA) levels have been found to exhibit a strong association with various conditions such as insulin resistance (IR), inflammation, oxidative stress, metabolic syndrome (MetS), hyperlipidemia, diabetes, and its vascular complications. These complications include hypertension, cardiovascular disease, diabetic retinopathy (DR), albuminuria, and cardiovascular autonomic dysfunction, which is considered one of the main types of diabetic neuropathy. This study aimed to investigate the correlation between visceral fat and peripheral neuropathy in patients with type 2 diabetes (T2DM). Methods: A retrospective analysis of clinical data of patients diagnosed with type 2 diabetes admitted to our hospital was conducted. After excluding 28 cases, a total of 488 patients were included, divided into the group with peripheral neuropathy (207 cases) and the control group without peripheral neuropathy (281 cases). The correlation between VFA and the presence of DPN was assessed using correlation and multiple logistic regression analyses. Results: In terms of general information, the group with peripheral neuropathy had lower BMI but longer duration of diabetes compared to the control group. Regarding biochemical indicators, VFA were lower in the group with peripheral neuropathy, while FPG and HbA1c levels were higher (all P<0.05). Spearman correlation analysis showed a negative correlation between VFA, and the presence of peripheral neuropathy in patients with type 2 diabetes (P<0.05). Logistic regression analysis indicated that VFA, duration of diabetes, and HbA1c level were influencing factors for the occurrence of peripheral neuropathy in patients with type 2 diabetes (P<0.05). Conclusion:This study revealed a correlation between visceral fat and peripheral neuropathy in patients with type 2 diabetes, highlighting the importance of monitoring visceral fat in such patients. In addition to lower levels of VFA, factors such as duration of diabetes and glycated hemoglobin (HbA1c) level were also associated with peripheral neuropathy in patients with T2DM.

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Visceral fat: a bad companion for mineralocorticoid receptor overactivation

Cited by 3 publications

References 13 publications

Mechanisms and treatment of obesity-related hypertension—Part 1: Mechanisms

Mechanisms and treatment of obesity-related hypertension—Part 1: Mechanisms

Subtype-specific Body Composition and Metabolic Risk in Patients With Primary Aldosteronism

Lower Visceral Fat is Related to Diabetic Peripheral Neuropathy

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