期刊
FAMILIAL CANCER
卷 14, 期 1, 页码 89-94出版社
SPRINGER
DOI: 10.1007/s10689-014-9764-x
关键词
Gastric cancer; Interleukin-12 receptor; Genetics; Salmonella infections; Mycobacterium infections
IL-12R beta 1 deficiency, also known as immunodeficiency 30 (IMD30, OMIM 614891), is a rare immunodeficiency syndrome caused by biallelic mutations in IL12RB1. Three second-degree relatives of a patient with this syndrome, all women, developed intestinal-type gastric cancer (GC). In the Netherlands the incidence of non-cardia GC in women is only 7 per 100,000 person years. Both relatives that were available for testing proved to be heterozygous for the familial IL12RB1 mutation, suggesting there might be a causal relation. Testing 29 index patients from families with early onset and/or a familial history of GC for germline mutations in both IL12RB1 and IL12RB2, that encodes the binding partner of IL-12R beta 1, did not reveal other germline mutations in these genes. Therefore heterozygous inactivating mutations in IL12RB1 and IL12RB2 are unlikely to be frequently involved in GC predisposition. Additional research in families with IL12RB1 mutations is required to determine whether carriers of IL12RB1 mutations have an increased (gastric) cancer risk.
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