Abstract
The growing incidence of obesity and related complications such as cardiomyopathy and nephropathy remains a global health challenge. Many pathophysiological factors including inflammation, oxidative stress and endothelial dysfunction are implicated in obesity- induced abnormalities in the heart and kidney. Moreover, obesity and nutrient-overload are associated with the activation of different inflammatory/oxidative signaling pathways such as endoplasmic reticulum stress, nuclear factor-kappaB (NF-κB), toll-like-receptor-4 (TLR4) and the renin-angiotensin-aldosterone system (RAAS). The pathophysiological role of RAAS, TLR4 and NF-κB in perturbing physiological milieu is well acknowledged. Several pharmacological agents have been formulated to target one or more of these pathways. Although significant strides have been made in elucidating mechanisms implicated in obesity-related cardio-renal diseases, much still has to be done. The pathophysiology of cardiomyopathy and nephropathy is complex and multifaceted. Besides NF-κ B, TLR4, RAAS and inflammatory mediators such as cytokines and chemokines, a wide spectrum of different factors including, the environment, diets, lifestyles, genetics and epigenetics are also involved. With such multifactorial etiology, it remains a daunting challenge to identify the factor(s) that initiate the activation and propagation of adverse stimuli that eventually lead to cardiomyopathy and/or nephropathy in obese individuals. Similarly, the mechanisms of such activation and propagation should be clearly elucidated. Should these hurdles be overcome, there would be a greater likelihood for the development of more-effective therapeutic strategies for the prevention, treatment and management of obesity-induced cardiomyopathy and nephropathy. The present review examines the role of inflammation, oxidative stress and endothelial dysfunction in obesity-induced abnormalities in heart and kidney.
Keywords: Inflammation, oxidative stress, nephropathy, cardiomyopathy, nuclear factor-kappa B, Toll-like-receptor-4, angiotensin, aldosterone.
Current Pharmaceutical Design
Title:The Role of Obesity in Cardiomyopathy and Nephropathy
Volume: 20 Issue: 9
Author(s): Shuchita Tiwari and Joseph Fomusi Ndisang
Affiliation:
Keywords: Inflammation, oxidative stress, nephropathy, cardiomyopathy, nuclear factor-kappa B, Toll-like-receptor-4, angiotensin, aldosterone.
Abstract: The growing incidence of obesity and related complications such as cardiomyopathy and nephropathy remains a global health challenge. Many pathophysiological factors including inflammation, oxidative stress and endothelial dysfunction are implicated in obesity- induced abnormalities in the heart and kidney. Moreover, obesity and nutrient-overload are associated with the activation of different inflammatory/oxidative signaling pathways such as endoplasmic reticulum stress, nuclear factor-kappaB (NF-κB), toll-like-receptor-4 (TLR4) and the renin-angiotensin-aldosterone system (RAAS). The pathophysiological role of RAAS, TLR4 and NF-κB in perturbing physiological milieu is well acknowledged. Several pharmacological agents have been formulated to target one or more of these pathways. Although significant strides have been made in elucidating mechanisms implicated in obesity-related cardio-renal diseases, much still has to be done. The pathophysiology of cardiomyopathy and nephropathy is complex and multifaceted. Besides NF-κ B, TLR4, RAAS and inflammatory mediators such as cytokines and chemokines, a wide spectrum of different factors including, the environment, diets, lifestyles, genetics and epigenetics are also involved. With such multifactorial etiology, it remains a daunting challenge to identify the factor(s) that initiate the activation and propagation of adverse stimuli that eventually lead to cardiomyopathy and/or nephropathy in obese individuals. Similarly, the mechanisms of such activation and propagation should be clearly elucidated. Should these hurdles be overcome, there would be a greater likelihood for the development of more-effective therapeutic strategies for the prevention, treatment and management of obesity-induced cardiomyopathy and nephropathy. The present review examines the role of inflammation, oxidative stress and endothelial dysfunction in obesity-induced abnormalities in heart and kidney.
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Cite this article as:
Tiwari Shuchita and Ndisang Fomusi Joseph, The Role of Obesity in Cardiomyopathy and Nephropathy, Current Pharmaceutical Design 2014; 20 (9) . https://dx.doi.org/10.2174/13816128113199990562
DOI https://dx.doi.org/10.2174/13816128113199990562 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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