Phenotype: Colorectal cancer, hereditary nonpolyposis, type 1 (Lynch syndrome)


OMIM: 120435
Inheritance: Autosomal dominant
Classification: Neoplasms

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MSH2 || c.1277-1180_1386+2226del3516insCATTCTCTTTGAAAA

Gene/Locus:    MSH2
Dna Change:    c.1277-1180_1386+2226del3516insCATTCTCTTTGAAAA
Protein Change:   
Mutation Type:    Indel
Mutation Effect:    Frameshift
Location:    exon 8
Transcript:    NG_007110.2

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
ItalyNASardinia8 families/13 familiesNABorelli I et al., 2013Borelli I, Barberis MA, Spina F, Casalis Cavalchini GC, Vivanet C, Balestrino L, Micheletti M, Allavena A, Sala P, Carcassi C, Pasini B, . A unique MSH2 exon 8 deletion accounts for a major portion of all mismatch repair gene mutations in Lynch syndrome families of Sardinian origin.. Eur. J. Hum. Genet.. 2013; 21(2):154-61

MSH2 || c.1276+198_1386+3761del19280

Gene/Locus:    MSH2
Dna Change:    c.1276+198_1386+3761del19280
Protein Change:   
Mutation Type:    Deletion
Mutation Effect:    Frameshift
Location:    exon 8
Transcript:    NG_007110.2

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
ItalyNASardinia2 families/13 familiesNABorelli I et al., 2013Borelli I, Barberis MA, Spina F, Casalis Cavalchini GC, Vivanet C, Balestrino L, Micheletti M, Allavena A, Sala P, Carcassi C, Pasini B, . A unique MSH2 exon 8 deletion accounts for a major portion of all mismatch repair gene mutations in Lynch syndrome families of Sardinian origin.. Eur. J. Hum. Genet.. 2013; 21(2):154-61

MSH2 || c.2063T>G

Gene/Locus:    MSH2
Dna Change:    c.2063T>G
Protein Change:    p.Met688Arg
Mutation Type:    Substitution
Mutation Effect:    Missense
Location:    exon 13
Transcript:    NM_000251.2

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
SpainNATenerife5 familiesNAMartín-López JV et al., 2012Martín-López JV, Barrios Y, Medina-Arana V, Andújar M, Lee S, Gu L, Li GM, Rüschoff J, Salido E, Fishel R, . The hMSH2(M688R) Lynch syndrome mutation may function as a dominant negative.. Carcinogenesis. 2012; 33(9):1647-54
SpainNATenerife5 familiesNAMedina-Arana V et al., 2006Medina-Arana V, Barrios Y, Fernández-Peralta A, Herrera M, Chinea N, Lorenzo N, Jiménez A, Martín-López JV, González-Hermoso F, Salido E, González-Aguilera JJ, . New founding mutation in MSH2 associated with hereditary nonpolyposis colorectal cancer syndrome on the Island of Tenerife.. Cancer Lett.. 2006; 244(2):268-73

MLH1 || c.1865T>A

Gene/Locus:    MLH1
Dna Change:    c.1865T>A
Protein Change:    p.Leu622His
Mutation Type:    Substitution
Mutation Effect:    Missense
Location:    exon 16
Transcript:    NM_000249.3

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
SpainNANA12 families/ 57 familiesfrom 12 to 22 generationsBorràs E et al., 2010Borràs E, Pineda M, Blanco I, Jewett EM, Wang F, Teulé A, Caldés T, Urioste M, Martínez-Bouzas C, Brunet J, Balmaña J, Torres A, Ramón y Cajal T, Sanz J, Pérez-Cabornero L, Castellví-Bel S, Alonso A, Lanas A, González S, Moreno V, Gruber SB, Rosenberg NA, Mukherjee B, Lázaro C, Capellá G, . MLH1 founder mutations with moderate penetrance in Spanish Lynch syndrome families.. Cancer Res.. 2010; 70(19):7379-91

MLH1 || c.306+5G>A

Gene/Locus:    MLH1
Dna Change:    c.306+5G>A
Protein Change:   
Mutation Type:    Substitution
Mutation Effect:    Splice site
Location:    intron 3
Transcript:    NM_000249.3

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
SpainNANA17 families/57 familiesfrom 53 to 122 generationsBorràs E et al., 2010Borràs E, Pineda M, Blanco I, Jewett EM, Wang F, Teulé A, Caldés T, Urioste M, Martínez-Bouzas C, Brunet J, Balmaña J, Torres A, Ramón y Cajal T, Sanz J, Pérez-Cabornero L, Castellví-Bel S, Alonso A, Lanas A, González S, Moreno V, Gruber SB, Rosenberg NA, Mukherjee B, Lázaro C, Capellá G, . MLH1 founder mutations with moderate penetrance in Spanish Lynch syndrome families.. Cancer Res.. 2010; 70(19):7379-91

MSH2 || c.2210G>A

Gene/Locus:    MSH2
Dna Change:    c.2210G>A
Protein Change:    p.Arg737Lys
Mutation Type:    Substitution
Mutation Effect:    Missense
Location:    exon 13
Transcript:    NM_000251.2

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
TurkeyNANA5 patients/28 patientsNATunca B et al., 2010Tunca B, Pedroni M, Cecener G, Egeli U, Borsi E, Zorluoglu A, Di Gregorio C, Yilmazlar T, Yerci O, de Leon MP, . Analysis of mismatch repair gene mutations in Turkish HNPCC patients.. Fam. Cancer. 2010; 9(3):365-76

MSH2 || c.[2635-3T>C; 2635-5C>T]

Gene/Locus:    MSH2
Dna Change:    c.[2635-3T>C; 2635-5C>T]
Protein Change:   
Mutation Type:    Substitution
Mutation Effect:    Splice site
Location:    intron 15
Transcript:    NM_000251.2

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
SpainNACatalonia4 Unrelated familiesNAMenéndez M et al., 2010Menéndez M, Castellví-Bel S, Pineda M, de Cid R, Muñoz J, González S, Teulé A, Balaguer F, Ramón y Cajal T, Reñé JM, Blanco I, Castells A, Capellà G, . Founder effect of a pathogenic MSH2 mutation identified in Spanish families with Lynch syndrome.. Clin. Genet.. 2010; 78(2):186-90

MLH1 || c.2252_2253delAA

Gene/Locus:    MLH1
Dna Change:    c.2252_2253delAA
Protein Change:    p.Lys751SerfsX3
Mutation Type:    Deletion
Mutation Effect:    Frameshift
Location:    exon 19
Transcript:    NM_000249.3

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
ItalyNAsouth-west of Turin11 unrelated families/ 140 families1550 years agoBorelli I et al., 2014Borelli I, Casalis Cavalchini GC, Del Peschio S, Micheletti M, Venesio T, Sarotto I, Allavena A, Delsedime L, Barberis MA, Mandrile G, Berchialla P, Ogliara P, Bracco C, Pasini B, . A founder MLH1 mutation in Lynch syndrome families from Piedmont, Italy, is associated with an increased risk of pancreatic tumours and diverse immunohistochemical patterns.. Fam. Cancer. 2014; 13(3):401-13

MSH2 || 32-KB DEL, EX1-6

Gene/Locus:    MSH2
Dna Change:    32-KB DEL, EX1-6
Protein Change:   
Mutation Type:    Deletion
Mutation Effect:   
Location:    exon 1 to 6
Transcript:    NG_007110.2

PopulationEthnic GroupRegionMutation FrquencyCoalescence TimeReference
ItalyNANortheastern2 familiesNAStella A et al., 2007Stella A, Surdo NC, Lastella P, Barana D, Oliani C, Tibiletti MG, Viel A, Natale C, Piepoli A, Marra G, Guanti G, . Germline novel MSH2 deletions and a founder MSH2 deletion associated with anticipation effects in HNPCC.. Clin. Genet.. 2007; 71(2):130-9

References

Borelli I, Barberis MA, Spina F, Casalis Cavalchini GC, Vivanet C, Balestrino L, Micheletti M, Allavena A, Sala P, Carcassi C, Pasini B, A unique MSH2 exon 8 deletion accounts for a major portion of all mismatch repair gene mutations in Lynch syndrome families of Sardinian origin.Eur. J. Hum. Genet.. 2013; 21(2):154-61

Borelli I, Casalis Cavalchini GC, Del Peschio S, Micheletti M, Venesio T, Sarotto I, Allavena A, Delsedime L, Barberis MA, Mandrile G, Berchialla P, Ogliara P, Bracco C, Pasini B, A founder MLH1 mutation in Lynch syndrome families from Piedmont, Italy, is associated with an increased risk of pancreatic tumours and diverse immunohistochemical patterns.Fam. Cancer. 2014; 13(3):401-13

Borràs E, Pineda M, Blanco I, Jewett EM, Wang F, Teulé A, Caldés T, Urioste M, Martínez-Bouzas C, Brunet J, Balmaña J, Torres A, Ramón y Cajal T, Sanz J, Pérez-Cabornero L, Castellví-Bel S, Alonso A, Lanas A, González S, Moreno V, Gruber SB, Rosenberg NA, Mukherjee B, Lázaro C, Capellá G, MLH1 founder mutations with moderate penetrance in Spanish Lynch syndrome families.Cancer Res.. 2010; 70(19):7379-91

Martín-López JV, Barrios Y, Medina-Arana V, Andújar M, Lee S, Gu L, Li GM, Rüschoff J, Salido E, Fishel R, The hMSH2(M688R) Lynch syndrome mutation may function as a dominant negative.Carcinogenesis. 2012; 33(9):1647-54

Medina-Arana V, Barrios Y, Fernández-Peralta A, Herrera M, Chinea N, Lorenzo N, Jiménez A, Martín-López JV, González-Hermoso F, Salido E, González-Aguilera JJ, New founding mutation in MSH2 associated with hereditary nonpolyposis colorectal cancer syndrome on the Island of Tenerife.Cancer Lett.. 2006; 244(2):268-73

Menéndez M, Castellví-Bel S, Pineda M, de Cid R, Muñoz J, González S, Teulé A, Balaguer F, Ramón y Cajal T, Reñé JM, Blanco I, Castells A, Capellà G, Founder effect of a pathogenic MSH2 mutation identified in Spanish families with Lynch syndrome.Clin. Genet.. 2010; 78(2):186-90

Stella A, Surdo NC, Lastella P, Barana D, Oliani C, Tibiletti MG, Viel A, Natale C, Piepoli A, Marra G, Guanti G, Germline novel MSH2 deletions and a founder MSH2 deletion associated with anticipation effects in HNPCC.Clin. Genet.. 2007; 71(2):130-9

Tunca B, Pedroni M, Cecener G, Egeli U, Borsi E, Zorluoglu A, Di Gregorio C, Yilmazlar T, Yerci O, de Leon MP, Analysis of mismatch repair gene mutations in Turkish HNPCC patients.Fam. Cancer. 2010; 9(3):365-76