Source: BEFREE ×
Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs1057517991
rs1057517991
0.720 GeneticVariation BEFREE By screening patients with severe early onset obesity for mutations within the melanocortin 4 receptor (MC4R) gene, we have identified a missense mutation (C271R) that occurs homozygous in two siblings with obesity. 14504270

2003

dbSNP: rs1057517991
rs1057517991
0.720 GeneticVariation BEFREE We conclude that in our sample, the MC4R (C271R) mutation causing obesity, is in association with ADHD. 18777518

2008

dbSNP: rs11872992
rs11872992
0.010 GeneticVariation BEFREE In addition, we could also detect an association between rs11872992 and complex obesity (odds ratio=0.74, 95% CI 0.57-0.98, P=0.03). 21303735

2011

dbSNP: rs121913557
rs121913557
0.710 GeneticVariation BEFREE We conclude that there is a concordance between the polymorphisms (Val103Ile, Val50Met, Ser58Cys) that were first studied in the Turkish population with obesity. 19184404

2009

dbSNP: rs121913558
rs121913558
0.710 GeneticVariation BEFREE We conclude that there is a concordance between the polymorphisms (Val103Ile, Val50Met, Ser58Cys) that were first studied in the Turkish population with obesity. 19184404

2009

dbSNP: rs121913559
rs121913559
0.710 GeneticVariation BEFREE We investigated whether MC4R variants identified from obese patients with binge eating disorder (T11A, F51L, T112M, and M200V) and variants identified in nonobese (I102T, F202L, and N240S) or obese (I102S, A154D, and S295P) subjects cause loss-of-function and what are the defects. 16030156

2005

dbSNP: rs121913566
rs121913566
0.710 GeneticVariation BEFREE In transient transfection assays, the N62S mutant receptor showed a responsiveness to alphaMSH that was intermediate between the wild-type receptor and mutant receptors carrying nonsense and missense mutations associated with dominantly inherited obesity. 10903343

2000

dbSNP: rs1267063448
rs1267063448
0.010 GeneticVariation BEFREE Functional characterization of a new human melanocortin-4 receptor homozygous mutation (N72K) that is associated with early-onset obesity. 25163632

2014

dbSNP: rs13447323
rs13447323
0.710 GeneticVariation BEFREE The correlation between the four variants (c.-24G>A, p.Thr101Ile, p.Ala259Asp and p.Ser30Phe) and the obesity phenotype, therefore, allows the conclusion that all of the four mutations cause a monogenic form of obesity. 30981838

2019

dbSNP: rs13447329
rs13447329
0.010 GeneticVariation BEFREE We investigated whether MC4R variants identified from obese patients with binge eating disorder (T11A, F51L, T112M, and M200V) and variants identified in nonobese (I102T, F202L, and N240S) or obese (I102S, A154D, and S295P) subjects cause loss-of-function and what are the defects. 16030156

2005

dbSNP: rs13447331
rs13447331
0.810 GeneticVariation BEFREE Two different previously described heterozygous loss of function MC4R variants (i.e. p.Ser19Alafs*34, p.Ser127Leu) were identified in two obese probands, and one obese (p.Ser19Alafs*34), and one lean (p.Ser127Leu) adult family relatives. 26047380

2015

dbSNP: rs1380965800
rs1380965800
0.010 GeneticVariation BEFREE (1) A novel MC4R non-synonymous mutation (S136F) was detected in a 2.3 year old girl with extreme obesity (BMI 33.2 kg/m(2), >99th centile); (2) a previously described non-synonymous mutation (V253I) was identified in an obese mother (BMI 28.1 kg/m(2)) who did not transmit this mutation to her extremely obese son; (3) two known polymorphisms (V103I and I251L) were also identified; and (4) one obese mother was carrier of a silent variation (c.594C>T; I198). 17286227

2007

dbSNP: rs138281308
rs138281308
0.010 GeneticVariation BEFREE We investigated whether MC4R variants identified from obese patients with binge eating disorder (T11A, F51L, T112M, and M200V) and variants identified in nonobese (I102T, F202L, and N240S) or obese (I102S, A154D, and S295P) subjects cause loss-of-function and what are the defects. 16030156

2005

dbSNP: rs151102515
rs151102515
0.010 GeneticVariation BEFREE One of the novel variants, Ile137Thr, identified in an extremely obese proband (BMI 57), was found to be severely impaired in ligand binding and signaling, raising the possibility that it may contribute to development of obesity. 10078568

1999

dbSNP: rs187152753
rs187152753
0.810 GeneticVariation BEFREE (1) A novel MC4R non-synonymous mutation (S136F) was detected in a 2.3 year old girl with extreme obesity (BMI 33.2 kg/m(2), >99th centile); (2) a previously described non-synonymous mutation (V253I) was identified in an obese mother (BMI 28.1 kg/m(2)) who did not transmit this mutation to her extremely obese son; (3) two known polymorphisms (V103I and I251L) were also identified; and (4) one obese mother was carrier of a silent variation (c.594C>T; I198). 17286227

2007

dbSNP: rs202029579
rs202029579
0.010 GeneticVariation BEFREE We also detected a novel mutation (L207V) in a severely obese 69-year-old female patient, although the mutation did not cosegregate with obesity in the corresponding pedigree and had no functional consequences on MC4R protein function. 22447289

2012

dbSNP: rs202228712
rs202228712
0.010 GeneticVariation BEFREE We investigated whether MC4R variants identified from obese patients with binge eating disorder (T11A, F51L, T112M, and M200V) and variants identified in nonobese (I102T, F202L, and N240S) or obese (I102S, A154D, and S295P) subjects cause loss-of-function and what are the defects. 16030156

2005

dbSNP: rs2229616
rs2229616
0.100 GeneticVariation BEFREE It further establishes that the association of the MC4R V103I with obesity and related phenotypes is genuine. 18239646

2008

dbSNP: rs2229616
rs2229616
0.100 GeneticVariation BEFREE The most common Melanocortin-4 receptor (MC4R) missense variant Val103Ileu (rs2229616) is related to obesity. 20530052

2011

dbSNP: rs2229616
rs2229616
0.100 GeneticVariation BEFREE These results suggest that mutations including V103I in the MC4R gene are not a major cause of obesity or diabetes in Japanese. 11246450

1999

dbSNP: rs2229616
rs2229616
0.100 GeneticVariation BEFREE This study confirms that the V103I polymorphism protects against human obesity at a population level. 17356525

2007

dbSNP: rs2229616
rs2229616
0.100 GeneticVariation BEFREE Taken together, gain-of-function mutations I251L and V103I may be responsible for a preventive fraction of obesity of 2%, which mirrors the prevalence of monogenic obesity due to MC4R haploinsufficiency. 17519222

2007

dbSNP: rs2229616
rs2229616
0.100 GeneticVariation BEFREE The objective of this study was to examine the Val103Ile polymorphism of MC4R in a population of Vojvodina and its association with obesity. 19283510

2010

dbSNP: rs2229616
rs2229616
0.100 GeneticVariation BEFREE To investigate the effects of variation in the leptin [LEP (19A>G)] and melanocortin-4 receptor [MC4R (V103I)] genes on obesity-related traits in 13 405 African-American (AA) and white participants from the Atherosclerosis Risk in Communities (ARIC) Study. 17587397

2007

dbSNP: rs2229616
rs2229616
0.100 GeneticVariation BEFREE In our study, we addressed the hypothesis that a G-->A substitution at codon 103 (Val-103Ile) of the MC4R gene influences abdominal obesity, insulin, glucose, and lipid metabolism as well as circulating hormones, including salivary cortisol. 11692184

2001