Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0028754 (obesity)
 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Monogenic non-syndromic obesity is characterized by severe early-onset obesity with abnormal eating behaviour and endocrine disorders. Genes contributing to these rare forms of obesity are mainly located in the leptin/melanocortin pathway, with typically an autosomal additive inheritance of obesity. The normal function of this hypothalamic pathway is essential for the control of energy balance. Genetic variants are involved in 5-30 % of severe early-onset obesity depending on explored populations. Compared to other genes in the pathway especially leptin (LEP), leptin receptor (LEPR), pro-opiomelanocortin (POMC) and prohormone convertase subtilisin/kexin type 1 (PCSK1), Melanocortin 4 receptor (MC4R)-linked obesity is characterized by obesity of variable severity with no notable endocrine phenotypes. Managing patients with monogenic non-syndromic obesity is clinically challenging since they display complex phenotypes and the obesity is often morbid and refractory to classical treatments. Until recent years, there has been a lack of effective and targeted pharmaceutical molecules except for leptin therapy that was available for leptin deficiency. The picture has changed and new promising molecules acting on the leptin-melanocortin pathway such as setmelanotide -a new MC4R agonist- are now emerging as novel targeted therapeutic opportunities.
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PMID:Rare genetic forms of obesity: From gene to therapy. 3280 20

Furin, a cleavage enzyme, is increasingly recognized in the pathogenesis of metabolic syndrome. Its cleavage action is an essential activation step for the endothelial pathogenicity of several viruses including SARS-CoV-2. This Furin-mediated endothelial tropism seems to underlie the multi-organ system involvement of COVID-19; which is a feature that was not recognized in the older versions of coronaviridae. Obese and diabetic patients, males, and the elderly, have increased serum levels of Furin, with its increased cellular activity; this might explain why these subgroups are at an increased risk of COVID-19 related complications and deaths. In contrast, smoking decreases cellular levels of Furin, this finding may be at the origin of the decreased severity of COVID-19 in smokers. Chinese herbal derived luteolin is suggested to be putative Furin inhibitor, with previous success against Dengue Fever. Additionally, Furin intracellular levels are largely dependent on concentration of intracellular ions, notably sodium, potassium, and magnesium. Consequently, the use of ion channel inhibitors, such as Calcium Channel blockers or Potassium Channel blockers, can prevent cellular transfection early in the course of the illness. Nicotine patches and Colchicine have also been suggested as potential therapies due to Furin mediated inhibition of COVID-19.
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PMID:A multicenter consensus: A role of furin in the endothelial tropism in obese patients with COVID-19 infection. 3283 24

Furin is a protease that is ubiquitous in mammalian metabolism. One of the innovations that make sudden acute respiratory syndrome-coronavirus 2 (SARS-CoV-2) more infectious than its ancestor viruses is the addition of a furin cleavage site. Conditions associated with elevated furin levels, including diabetes, obesity, and hypertension, overlap greatly with vulnerability to the severe form of coronavirus disease 2019 (COVID-19). We suggest that diet and lifestyle modifications that reduce the associated comorbidities may prevent the development of severe COVID-19 by, in part, lowering circulating furin levels. Likewise, natural and pharmaceutical inhibitors of furin may be candidate prophylactic interventions or, if used early in the COVID-19, may prevent the development of critical symptoms.
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PMID:Furin Protease: From SARS CoV-2 to Anthrax, Diabetes, and Hypertension. 3320 15


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