Results 21 to 30 of about 18,245 (206)

Human MC4R variants affect endocytosis, trafficking and dimerization revealing multiple cellular mechanisms involved in weight regulation

open access: yesCell Reports, 2021
Summary: The Melanocortin-4 Receptor (MC4R) plays a pivotal role in energy homeostasis. We used human MC4R mutations associated with an increased or decreased risk of obesity to dissect mechanisms that regulate MC4R function.
Bas Brouwers   +17 more
doaj   +1 more source

Anti-melanocortin-4 receptor autoantibodies in obesity [PDF]

open access: yes, 2009
Background: The melanocortin-4 receptor (MC4R) is part of an important pathway regulating energy balance. Here we report the existence of autoantibodies (autoAbs) against the MC4R in sera of obese patients.
Bekel, A.   +9 more
core   +3 more sources

Signal Transduction and Pathogenic Modifications at the Melanocortin-4 Receptor: A Structural Perspective [PDF]

open access: yes, 2019
The melanocortin-4 receptor (MC4R) can be endogenously activated by binding of melanocyte-stimulating hormones (MSH), which mediates anorexigenic effects. In contrast, the agouti-related peptide (AgRP) acts as an endogenous inverse agonist and suppresses
Biebermann, Heike   +10 more
core   +1 more source

The Melanocortin-4 Receptor Integrates Circadian Light Cues and Metabolism [PDF]

open access: yes, 2015
The melanocortin system directs diverse physiological functions from coat color to body weight homoeostasis. A commonality among melanocortin-mediated processes is that many animals modulate similar processes on a circannual basis in response to longer ...
Arble, Deanna M.   +10 more
core   +2 more sources

The melanocortin receptors and their accessory proteins. [PDF]

open access: yes, 2013
The five melanocortin receptors (MCRs) named MC1R-MC5R have diverse physiological roles encompassing pigmentation, steroidogenesis, energy homeostasis and feeding behavior as well as exocrine function.
Chan, LF   +3 more
core   +2 more sources

A nutrigenetic approach to investigate the relationship between metabolic traits and vitamin D status in an Asian Indian population [PDF]

open access: yes, 2020
Studies in Asian Indians have examined the association of metabolic traits with vitamin D status. However, findings have been quite inconsistent. Hence, we aimed to explore the relationship between metabolic traits and 25-hydroxyvitamin D [25(OH)D ...
Alathari, Buthaina E.   +11 more
core   +1 more source

Current Mechanistic and Pharmacodynamic Understanding of Melanocortin-4 Receptor Activation

open access: yesMolecules, 2019
In this work we summarize our understanding of melanocortin 4 receptor (MC4R) pathway activation, aiming to define a safe and effective therapeutic targeting strategy for the MC4R.
Shubh Sharma   +7 more
doaj   +1 more source

The Relation between Childhood Obesity and MC4R Gene and Near MC4R Polymorphisms

open access: yesGazi Medical Journal, 2020
Childhood obesity, especially in the developed countries including all over the world has an increasing prevalence. Regarding the major impact on public health perspective, childhood obesity should be monitored closely. Many researchers reported MC4R gene and near MC4R region polymorphisms to predispose monogenic obesity both in children and adults. In
Erkal, Ozgur   +4 more
openaire   +2 more sources

Neuronal human BACE1 knock-in induces systemic diabetes in mice [PDF]

open access: yes, 2016
Acknowledgements The authors thank S. Tammireddy (Diabetes and Cardiovascular Science, University of the Highlands and Islands, Inverness, UK) for technical support with the lipidomics component. Funding We would like to thank R.
Dekeryte, Ruta   +12 more
core   +4 more sources

A novel melanocortin-4 receptor mutation MC4R-P272L associated with severe obesity has increased propensity to be ubiquitinated in the ER in the face of correct folding. [PDF]

open access: yesPLoS ONE, 2012
Heterozygous mutations in the melanocortin-4 receptor (MC4R) gene represent the most frequent cause of monogenic obesity in humans. MC4R mutation analysis in a cohort of 77 children with morbid obesity identified previously unreported heterozygous ...
Susana Granell   +6 more
doaj   +1 more source

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