英語 での Pathogenic variant の使用例とその 日本語 への翻訳
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They recommended that female carriers of a BRCA1 or BRCA2 high-risk pathogenic variant undergo annual or semiannual clinical examinations beginning at age 25 to 35 years.
Similarly, studies of unselected pancreatic cancers have reported BRCA2 pathogenic variant frequencies between 3% to 7%, with these numbers approaching 10% in those of AJ descent.
Similarly, results of 286 TP53 pathogenic variant- positive individuals in the National Cancer Institute's LFS Study indicated a cumulative cancer incidence of almost 100% by age 70 years for both males and females.
If the familial pathogenic variant is detected in a family member, their cancer risks are based on penetrance data for pathogenic variants in that specific gene.
Added text about a cohort study of 116 individuals with a germline TP53 pathogenic variant who were evaluated yearly at the National Institutes of Health Clinical Center using multimodality screening with and without gadolinium.
Interventions that decrease the likelihood that an individual will develop cancer(such as oophorectomy and mastectomy) may influence the ability to predict BRCA1 and BRCA2 pathogenic variant status.
Two of the three women diagnosed with breast cancer after RRM were tested, and neither carried a pathogenic variant.
BOADICEA is a polygenetic model that uses complex segregation analysis to examine both breast cancer risk and the probability of having a BRCA1 or BRCA2 pathogenic variant.
In a group of 1,479 Dutch women younger than 50 years with invasive breast cancer, 3.7% were found to have the CHEK2 1100delC pathogenic variant.
FA gene pathogenic variant carrier status can have implications for reproductive decision making because pathogenic variants in these genes can lead to serious childhood onset of disease if both parents are carriers of pathogenic variants in the same gene.
In contrast, prostate cancer risk associated with the BRCA2 pathogenic variant began to rise at later ages, reaching 5% by age 70 years and 36% by age 80 years(numeric values were provided by the author[written communication, April 2005]).
Subsequently, in a study of 89 BRCA1 carriers and 175 noncarriers with triple-negative breast cancer, BRCA1 pathogenic variant status was not an independent predictor of survival after adjusting for age, oophorectomy, and risk-reducing mastectomy.
The Cancer Genetics Studies Consortium task force has recommended that female carriers of a BRCA1 pathogenic variant undergo annual or semiannual screening using TVUS and serum CA-125 levels, beginning at age 25 to 35 years.
Some individuals diagnosed with HLRCC have an affected parent, while others have unaffected parents, suggesting that some individuals have HLRCC as the result of a de novo pathogenic variant or parental mosaicism.
Although earlier estimates using direct DNA sequencing showed a 50% pathogenic variant detection rate in STK11, studies adding techniques to detect large deletions have found pathogenic variants in up to 94% of individuals meeting clinical criteria for PJS.
A large Dutch study of 86,975 individuals reported an increased risk of cancers other than breast and colon for carriers of the CHEK2 1100delC pathogenic variant,[41] although additional studies are needed to further refine these risks.
Added text to state that a founder pathogenic variant at the 3' splice acceptor site of intron 3 in the XPA gene is present in approximately 1% of the population in Japan representing nearly 1 million people(cited Hirai et al. as reference 55).
Furthermore, recent data that the presence of a germline BRCA2 pathogenic variant is an independent prognostic factor for survival in prostate cancer led these authors to conclude that active surveillance may not be the optimal management strategy due to the aggressive disease phenotype.
There is currently no consensus for management, yet SMARCA4 is on the larger multigene panels currently available for genetic testing, and risk-reducing surgery has been offered to pathogenic variant carriers.[98].
Overall, the observed prevalence of PALB2 pathogenic variants in familial breast cancer varied depending on ascertainment relative to personal and family history of pancreatic and ovarian cancers, but in all studies, the observed pathogenic variant rate was lower than 4%.