Role of Insulin Signaling in the Interaction Between Alzheimer Disease and Diabetes Mellitus: A Missing Link to Therapeutic Potential

2011 ◽  
Vol 4 (2) ◽  
pp. 118-127 ◽  
Author(s):  
Naoyuki Sato ◽  
Shuko Takeda ◽  
Kozue Uchio-Yamada ◽  
Hironori Ueda ◽  
Tomomi Fujisawa ◽  
...  
2020 ◽  
Vol 26 ◽  
Author(s):  
Tapan Behl ◽  
Priya Nijhawan ◽  
Monika Sachdeva ◽  
Arun Kumar ◽  
Md. Sahab Uddin ◽  
...  

Background:: Obesity, metabolic disorders and diabetes mellitus are allied with increased cardiovascular risk. Given the vasoconstrictor activity of endothelin, enhanced endothelin has been hypothesized to take part in the disorder of adiposity associated vascular homeostasis. Moreover, elevated endothelin subsidizes endothelin dysregulated related to obesity, diabetes mellitus whereas alleviating the endothelin vasoconstrictor tone amends the unreliable endothelium - dependent vasodilation. Objective: The main objective of the current manuscript is to enumerate the intrinsic role of endothelin in obesity and related complications. Methods: A deep research on the literature available till date for endothelin in obesity as conducted using various medical sites like PubMed, MEDLINE from internet and data was collected. The articles were majorly preferred in English language. Results: The substantial effect of obesity on the progression of cardiac disorders has generated persistent efforts to expose the action associating with excessive adiposity to vascular dysregulation. Reduced vasodilator activity has been predicted as an early hemodynamic defect in obese individuals, also elevated vasoconstrictor tone elicits to vascular impairment. In certain, upregulation of endothelin activity, constantly reported in obese subjects, hasten obesity and its related complication, specifying the inflammatory and mitogenic activities of endothelin. Recently, various gut hormones, in association with their role as an accent of food intake, energy homeostasis, and triglycerides metabolism have reported numerous vascular properties. They escalate the bioavailability of vasodilators mediator i.e. nitric oxide and prevent the endothelin activity. These characteristics make gut hormones a favorable approach for targeting both metabolic and cardiovascular conditions of obesity. Conclusion: The present review demonstrates the intrinsic role of endothelin as a novel molecule in the progression of obesity and focuses on the status of endothelin inhibitors as a therapeutic potential in preventing obesity and related complications.


2005 ◽  
Vol 7 (1) ◽  
pp. 81-84 ◽  
Author(s):  
Xiongwei Zhu ◽  
George Perry ◽  
Mark A. Smith

2017 ◽  
Vol 70 (1) ◽  
pp. 16-25 ◽  
Author(s):  
María Ruiz-Palacios ◽  
Antonio José Ruiz-Alcaraz ◽  
María Sanchez-Campillo ◽  
Elvira Larqué

Background: Gestational diabetes mellitus (GDM) is associated with increased fetal adiposity, which may increase the risk of obesity in adulthood. The placenta has insulin receptors and maternal insulin can activate its signaling pathways, affecting the transport of nutrients to the fetus. However, the effects of diet or insulin treatment on the placental pathophysiology of GDM are unknown. Summary: There are very few studies on possible defects in the insulin signaling pathway in the GDM placenta. Such defects could influence the placental transport of nutrients to the fetus. In this review we discuss the state of insulin signaling pathways in placentas of women with GDM, as well as the role of exogenous insulin in placental nutrient transport to the fetus, and fetal adiposity. Key Messages: Maternal insulin in the third trimester is correlated with fetal abdominal circumference at that time, suggesting the important role of insulin in this process. Since treatment with insulin at the end of pregnancy may activate placental nutrient transport to the fetus and promote placental fatty acid transfer, it would be interesting to improve maternal hyperlipidemia control in GDM subjects treated with this hormone. More research in this area with high number of subjects is necessary.


2020 ◽  
Vol 164 ◽  
pp. 1194-1205 ◽  
Author(s):  
Rubiya Khursheed ◽  
Sachin Kumar Singh ◽  
Sheetu Wadhwa ◽  
Monica Gulati ◽  
Ankit Awasthi

2012 ◽  
Vol 2012 ◽  
pp. 1-12 ◽  
Author(s):  
Yuki Tanaka ◽  
Shinji Kume ◽  
Munehiro Kitada ◽  
Keizo Kanasaki ◽  
Takashi Uzu ◽  
...  

Diabetic nephropathy is a serious complication of diabetes mellitus, and its prevalence has been increasing worldwide. Therefore, there is an urgent need to identify a new therapeutic target to prevent diabetic nephropathy. Autophagy is a major catabolic pathway involved in degrading and recycling macromolecules and damaged organelles to maintain intracellular homeostasis. The study of autophagy in mammalian systems is advancing rapidly and has revealed that it is involved in the pathogenesis of various metabolic or age-related diseases. The functional role of autophagy in the kidneys is also currently under intense investigation although, until recently, evidence showing the involvement of autophagy in the pathogenesis of diabetic nephropathy has been limited. We provide a systematic review of autophagy and discuss the therapeutic potential of autophagy in diabetic nephropathy to help future investigations in this field.


2013 ◽  
Vol 20 (2) ◽  
pp. 177-181
Author(s):  
Adina Mitrea ◽  
Simona Georgiana Popa ◽  
Cristina Muntean ◽  
Andreea Soare ◽  
Laura Trotta ◽  
...  

Abstract Recent studies strongly suggest a significant association between diabetes mellitus and Alzheimer Disease (AD) justifying the term “type 3 diabetes”. Studies show that impairment of glucose metabolism occurs very early in the course of AD, leading to a broad range of consequences, among which the accumulation of amyloid beta (Aβ), which per se induces insulin resistance. Furthermore, adipocytokines, recognised markers of insulin resistance, seem to play a role in the development of AD. As for insulin resistance, when AD is considered, the most studied ones are leptin and adiponectin, but also a recently described adipokine - progranulin. It is our belief that both prospective and transversal studies on subjects with both AD and type 2 diabetes (T2D) may prove the role of adipokines not only in AD, but also in this most somber association.


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