2012
DOI: 10.1016/j.jaad.2012.05.014
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Familial melanoma: Clinical factors associated with germline CDKN2A mutations according to the number of patients affected by melanoma in a family

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Cited by 29 publications
(31 citation statements)
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“…24 In France, another low melanoma incidence country, the frequency of CDKN2A mutations in families with 2 patients with melanoma was 13%, but this percentage increased to 22% when the median age at diagnosis was younger than 50 years and to 29% when there was 1 or more subjects with MPM. 25,26 Recently, a melanoma predisposing mutation was identified in microphthalmia-associated transcription factor (MITF ) E318K, and a Ligurian study supported MITF as a medium-penetrance melanoma susceptibility gene. [27][28][29][30] Novel melanoma susceptibility genes have also been identified, but their geographic prevalence and penetrance has yet to be established.…”
Section: Discussionmentioning
confidence: 99%
“…24 In France, another low melanoma incidence country, the frequency of CDKN2A mutations in families with 2 patients with melanoma was 13%, but this percentage increased to 22% when the median age at diagnosis was younger than 50 years and to 29% when there was 1 or more subjects with MPM. 25,26 Recently, a melanoma predisposing mutation was identified in microphthalmia-associated transcription factor (MITF ) E318K, and a Ligurian study supported MITF as a medium-penetrance melanoma susceptibility gene. [27][28][29][30] Novel melanoma susceptibility genes have also been identified, but their geographic prevalence and penetrance has yet to be established.…”
Section: Discussionmentioning
confidence: 99%
“…Atualmente, a maioria das mutações descritas com significado patológico são mutações pontuais ou pequenas deleções ou inserções nas regiões codificadoras/ exões do gene, que ocorrem no domínio core da proteína supressora tumoral p16 INK4A . [11][12][13] Desta forma, a ocorrência de mutações no gene CDK-N2A, leva a um aumento significativo da probabilidade de um nevo displásico se tornar maligno e/ou surgimento de um melanoma de novo, sem percursor prévio. 3,5,12 Para além do risco familiar bem conhecido e associado à mutação do CDKN2A esta também está correlacionada com um maior número de ocorrência de melanomas primários, com padrões dermatoscópicos semelhantes.…”
Section: Genes E Vias De Sinalização Importantes No Melanomaunclassified
“…Les mutations de CDK4 touchent à ce jour l'exon 2 exclusivement, particulièrement le codon 24 ; ces mutations empêchent la fixation de la protéine p16, elles sont donc considérées comme « activatrices ». En France, la fré-quence des mutations de CDKN2A a été estimée à 32 % dans les familles avec au moins trois cas de mélanome et à 13 % dans les familles à deux cas [25]. Chez les sujets atteints de mélanomes multiples sporadiques, une étude pilote a montré une fréquence de mutations de CDKN2A de l'ordre de 9 % [26].…”
Section: Rappels Sur La Pathologieunclassified
“…Ces Recommandations pour le diagnostic de prédisposition génétique au mélanome cutané 5 données soulignent l'origine multifactorielle de la maladie. Les porteurs de mutations de CDKN2A ont aussi un risque accru de développer un cancer du pancréas [25,29]. Cependant, ce risque est mal estimé à ce jour.…”
Section: Rappels Sur La Pathologieunclassified