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排序方式: 共有247条查询结果,搜索用时 0 毫秒
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Flora Doffe Vincent Carbonnier Manon Tissier Bernard Leroy Isabelle Martins Johanna S. M. Mattsson Patrick Micke Sarka Pavlova Sarka Pospisilova Jana Smardova Andreas C. Joerger Klas G. Wiman Guido Kroemer Thierry Soussi 《Cell death and differentiation》2021,28(5):1477
Infrequent and rare genetic variants in the human population vastly outnumber common ones. Although they may contribute significantly to the genetic basis of a disease, these seldom-encountered variants may also be miss-identified as pathogenic if no correct references are available. Somatic and germline TP53 variants are associated with multiple neoplastic diseases, and thus have come to serve as a paradigm for genetic analyses in this setting. We searched 14 independent, globally distributed datasets and recovered TP53 SNPs from 202,767 cancer-free individuals. In our analyses, 19 new missense TP53 SNPs, including five novel variants specific to the Asian population, were recurrently identified in multiple datasets. Using a combination of in silico, functional, structural, and genetic approaches, we showed that none of these variants displayed loss of function compared to the normal TP53 gene. In addition, classification using ACMG criteria suggested that they are all benign. Considered together, our data reveal that the TP53 coding region shows far more polymorphism than previously thought and present high ethnic diversity. They furthermore underline the importance of correctly assessing novel variants in all variant-calling pipelines associated with genetic diagnoses for cancer.Subject terms: Tumour-suppressor proteins, Genetics research 相似文献
246.
J Holmen L Forsén P F Hjort K Midthjell H T Waaler A Bj?rndal 《BMJ (Clinical research ed.)》1991,302(6770):219
OBJECTIVE--Evaluation of detection of hypertension in adults in the county of Nord-Trøndelag, Norway. DESIGN--Cross sectional survey with clinical follow up examinations. SETTING--Health survey by screening teams from the national health screening service, and examinations by all 106 general practitioners in the county. SUBJECTS--During 1984-6, 74,977 persons (88.1% of those aged 20 years and over) participated in the health survey. MAIN OUTCOME MEASURES--Hypertension (when assessed by standardised recording and by questionnaires on drug treatment for hypertension) according to the blood pressure thresholds used in the Norwegian treatment programme. Subjects positive on screening were grouped after clinical examination into treatment groups. RESULTS--In all, 2399 subjects were positive for hypertension. Before screening 6210 (8.3%) patients reported taking antihypertensive drugs and another 3849 (5.1%) had their blood pressure monitored regularly. All who screened positive were referred to their general practitioner and evaluated according to a standard programme. As a result, drug treatment was started in 406 (0.5%) participants screened and blood pressure monitoring in another 1007 (1.3%). Of all patients taking antihypertensive drugs after the screening, 6399 (94.0%) had been diagnosed before screening, and of those whose blood pressure was monitored after the screening, 79.3% had been diagnosed before screening. CONCLUSIONS--At the blood pressure screening thresholds used, and when hypertension is defined by an overall clinical diagnosis, the results indicate that general practitioners can find and diagnose hypertensive patients with the case finding strategy. 相似文献
247.
Klas G Wiman 《Cancer immunology, immunotherapy : CII》1998,15(4):222-228
Thep53 gene is frequently mutated in human tumours and therefore an important target for therapeutic intervention. Several p53-based
strategies for treatment of cancer are currently under development.p53 gene therapy has resulted in tumour regression in patients with lung cancer. A mutant adenovirus can obliterate tumour cells
carrying mutant p53 or lacking p53, but is unable to replicate in normal cells. Furthermore, current studies suggest that
reactivation of mutant p53 proteins in tumours using small p53-activating molecules may initiate p53-dependent apoptosis and
thus eliminate the tumour. 相似文献