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排序方式: 共有78条查询结果,搜索用时 15 毫秒
1.
R Saura O Grison L Taine J P Coadic F Febrer M Longy 《Cancer Genetics and Cytogenetics》1992,60(1):105-107
A case of essential thrombocythemia with a partial deletion of the long arm of chromosome 11, del(11)(q21) as a sole chromosomal anomaly is reported. Rearrangement of chromosome 11 at band 11q21 has been reported in six patients with chronic myeloproliferative disorders: four with post-polycythemic myelofibrosis, one with myelofibrosis with myeloid metaplasia, and one with Ph+ chronic myeloid leukemia in blastic phase. Except for the last patient, all patients had been treated with 32P and/or an alkylating agent prior to cytogenetic examination. This is the first report of the 11q21 abnormality in essential thrombocythemia seen at diagnosis. 相似文献
2.
M Longy V Coulon B Duboué A David M Larrègue C Eng P Amati J L Kraimps A Bottani D Lacombe D Bonneau 《Journal of medical genetics》1998,35(11):886-889
We report three new mutations in PTEN, the gene responsible for Cowden disease in five patients with Bannayan-Riley-Ruvalcaba syndrome from three unrelated families. This finding confirms that Cowden disease, a dominant cancer predisposing syndrome, and Bannayan-Riley-Ruvalcaba syndrome, which includes macrocephaly, multiple lipomas, intestinal hamartomatous polyps, vascular malformations, and pigmented macules of the penis, are allelic disorders at the PTEN locus on chromosome 10q. 相似文献
3.
R Saura M Longy J Horovitz O Grison A Vergnaud L Taine B Maugey 《Prenatal diagnosis》1990,10(7):461-467
The authors report on a series of 210 chorion villus sampling diagnoses made with a needle by the transabdominal route. The rate of fetal loss was 4.2 per cent. Placental localization was important: fetal losses were 8 per cent when the placenta was strictly posterior (transamniotic route), whereas it was only 1.6 per cent when it was not posterior. Moreover, all fetal losses occurred (apart from one at 12.5 weeks of amenorrhea) before the 12th week of amenorrhea. The authors suggest that choriocentesis by the transabdominal route should not be performed before the 12th week of amenorrhea, and that the amniotic membrane should not be disturbed before the 13th week of amenorrhea. 相似文献
4.
Detection of 11 germline inactivating TP53 mutations and absence of TP63 and HCHK2 mutations in 17 French families with Li-Fraumeni or Li-Fraumeni-like syndrome
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5.
WNT pathway and mammary carcinogenesis: loss of expression of candidate tumor suppressor gene SFRP1 in most invasive carcinomas except of the medullary type 总被引:11,自引:0,他引:11
Ugolini F Charafe-Jauffret E Bardou VJ Geneix J Adélaïde J Labat-Moleur F Penault-Llorca F Longy M Jacquemier J Birnbaum D Pébusque MJ 《Oncogene》2001,20(41):5810-5817
Secreted Frizzled-related protein 1 (SFRP1) encodes a member of a protein family that contains a cysteine-rich domain similar to the WNT-binding site of Frizzled receptors and regulates the WNT pathway. The WNT pathway is frequently altered in human cancers. We have defined the pattern of SFRP1 mRNA expression in the progression of breast cancer. We show that SFRP1 is expressed in the epithelial component of normal breast, in the in situ component of ductal carcinomas and is lost in more than 80% of invasive breast carcinomas except the medullary type. Loss of SFRP1 expression is correlated with the presence of hormonal receptors. Conversely, the maintenance of SFRP1 in carcinomas is correlated with the presence of lymphoplasmocytic stroma. No significant association was observed between SFRP1 status and the level of apoptosis in tumoral cells. 相似文献
6.
7.
Francesca Damiola Inès Schultz Laure Barjhoux Valérie Sornin Marie-Gabrielle Dondon Séverine Eon-Marchais Morgane Marcou Olivier Caron Marion Gauthier-Villars Antoine de Pauw Elisabeth Luporsi Pascaline Berthet Capucine Delnatte Valérie Bonadona Christine Maugard Pascal Pujol Christine Lasset Michel Longy Yves-Jean Bignon Jean-Pierre Fricker Nadine Andrieu Olga M. Sinilnikova Dominique Stoppa-Lyonnet Sylvie Mazoyer Danièle Muller The GENESIS Study Investigators 《Breast cancer research and treatment》2015,152(3):463-476
8.
R. S. Cornelis S. L. Neuhausen O. Johansson A. Arason D. Kelsell B. A. J. Ponder P. Tonin U. Hamann A. Lindblom P. Lalle M. Longy E. Olh S. Scherneck Y. -J. Bignon H. Sobol J. Chang-Claude C. Larsson N. Spurr A. Borg R. B. Barkardottir S. Narod P. Devilee 《Genes, chromosomes & cancer》1995,13(3):203-210
Loss of heterozygosity (LOH) was evaluated in 174 breast and ovarian tumors derived from 94 families with at least 3 first-degree relatives affected with either of these cancers. By linkage analysis 26 families were identified as having a high posterior probability of being due to BRCAI (the breadovarian cancer susceptibility locus on 17q 12–21) with lod scores varying from 0.5 1 to 9.49. Tumor genotypes were determined at at least 2 constitutionally heterozygous markers flanking BRCA I in a total of 58 tumors from these families. These tumors were derived from 52 patients, the BRCAI mutation carrier status of which was evidenced by DNA sequencing in 20, and inferred by reconstructing haplotypes in the remainder. LOH was detected in 50 (86%) tumors. and invariably involved the wild-type allele. Where informative, this allele was of paternal origin in 33 cases and of maternal origin in I0 cases. These results strongly suggest that BRCA I is a tumor suppressor gene and that LOH is greatly favored to fully inactivate it. © 1995 Wiley-Liss, Inc. 相似文献
9.
Hostein I Longy M Gastaldello B Geneste G Coindre JM 《International journal of cancer. Journal international du cancer》2006,118(8):2089-2091
Gastrointestinal stromal tumors are mesenchymal tumors arising in the stomach and small bowel and more rarely in the rectum, esophagus, peritoneum and retroperitoneum. These tumors are characterized by KIT or PDGFRA mutations. KIT mutations are all in frame and lead to constitutive tyrosine kinase domain activation without ligand binding. Mutations concern four exons (9, 11, 13 and 17) but mainly exon 11. We report a new mutation in exon 9, since only AY 502-503 duplication/insertion, FAF 506 insertion and P456S substitution have been previously reported. This mutation consists of a large deletion of 43 nucleotides and an insertion of 25 nucleotides. More surprisingly, the sequence inserted corresponds to the complementary sequence of the wild allele but in the opposite sense. To our knowledge, this mutation has never been previously described. 相似文献
10.