Source: BEFREE ×
Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs878909905
rs878909905
0.010 GeneticVariation BEFREE One was a novel nonsense mutation p.W174* detected in a severely obese 7-year-old boy. 26244670

2016

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: 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: 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: rs375095163
rs375095163
0.010 GeneticVariation BEFREE We present the case report of a 2 year old boy with early onset extreme obesity (body mass index (BMI) 34.2 kg/m²; body mass index standard deviation score (BMI-SDS) 5.4) who is heterozygous for a non-conservative functionally relevant melanocortin MC(4)receptor mutation (Glu308Lys) and who also showed severe symptoms of attention deficit/hyperactivity disorder (ADHD). 21211528

2011

dbSNP: rs8087522
rs8087522
0.010 GeneticVariation BEFREE No associations with obesity could be found for rs8087522 and rs1943226. 21303735

2011

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: rs61741819
rs61741819
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: 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: 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: 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: rs368264587
rs368264587
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: rs752031670
rs752031670
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: rs2282556
rs2282556
0.010 GeneticVariation BEFREE Here we report a novel homozygous missense mutation of MC4R (G98R) in a nondiabetic Japanese woman with severe early-onset obesity, which is located in its second transmembrane domain. 11756348

2002

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: rs52820871
rs52820871
0.040 GeneticVariation BEFREE In the obesity group, 10 different variants were identified, whereas in the binge-eating patients, only two individuals with bulimia nervosa were found to carry the I251L polymorphism, which did not correlate with weight, BMI, or psychopathological features. 25419636

2015

dbSNP: rs52820871
rs52820871
0.040 GeneticVariation BEFREE A rare polymorphism (I251L, allelic frequency: 1/100) reported to protect against obesity was found in another obese patient. 23251400

2012

dbSNP: rs52820871
rs52820871
0.040 GeneticVariation BEFREE Meta-analyses of previous published data with the current ones provided strong evidence of the protective effect of I251L toward obesity</span> (OR = 0.52, P = 3.58 10-5), together with a modest negative association between V103I and obesity (OR = 0.80, P = 0.002). 17519222

2007

dbSNP: rs52820871
rs52820871
0.040 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: rs2229616
rs2229616
0.100 GeneticVariation BEFREE The influence of rs2229616 (MC4R) on BMI and obesity has been confirmed repeatedly and insight into the underlying mechanism provided. 24518831

2014

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 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 In conclusion, this study confirmed and extended the previous findings, suggesting the MC4R V103I polymorphism is negatively associated with human obesity. 19696756

2010

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 In humans, MC4R mutations that lead to an impaired receptor function are associated with obesity; in contrast, the most frequent polymorphism (Val103Ile, rs2229616; heterozygote frequency approximately 2%) was shown to be negatively associated with obesity. 18377640

2008