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排序方式: 共有68条查询结果,搜索用时 15 毫秒
1.
Sanlaville D Baumann C Lapierre JM Romana S Collot N Cacheux V Turleau C Tachdjian G 《American journal of medical genetics》1999,83(2):125-131
We report on clinical and cytogenetic findings in a boy with partial 9p duplication, dup(9)(p21pter). Clinical manifestations included facial and hand anomalies and mental retardation. Fluorescence in situ hybridization (FISH) and comparative genomic hybridization (CGH) were used to characterize further and confirm the conventional banding data. Investigation by FISH using whole chromosome 9 paint probe showed that the additional material was derived from chromosome 9. Using CGH, a region of gain was found in the chromosome segment 9p21pter. YACs and telomeric probes confirmed the duplicated region. Using the all-human telomeric sequences probe, intrachromosomal telomeric signal was noted on the short arm of the abnormal chromosome 9. Mechanism of formation of the duplication, including intrachromosomal telomeric sequences, is discussed. 相似文献
2.
HPV circulating tumor DNA to monitor the efficacy of anti‐PD‐1 therapy in metastatic squamous cell carcinoma of the anal canal: A case report
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Luc Cabel François‐Clément Bidard Vincent Servois Wulfran Cacheux Pascale Mariani Emanuela Romano Mathieu Minsat Ivan Bieche Fereshteh Farkhondeh Emmanuelle Jeannot Bruno Buecher 《International journal of cancer. Journal international du cancer》2017,141(8):1667-1670
Squamous cell carcinoma of the anal canal (SCCA) is a rare HPV‐associated cancer with limited sensitivity to standard chemotherapy. In a phase 2 study, nivolumab, an anti PD‐1 immune checkpoint inhibitor, demonstrated significant efficacy as single‐agent therapy in metastatic SCCA patients. Nevertheless, imaging assessment by standard RECIST criteria of the efficacy of immune therapy can be difficult in some patients due to tumor immune cell infiltration, and biomarkers of treatment efficacy are needed. We have previously developed a quantitative droplet digital PCR (ddPCR) technique to detect HPV circulating tumor DNA (HPV ctDNA), with excellent sensitivity and specificity. Here, we report, for the first time, the kinetics of HPV ctDNA during therapy in a patient with metastatic SCCA, who obtained sustained partial response to single‐agent nivolumab. We observed an early and very significant decrease of HPV ctDNA during therapy from the baseline level of 3713 copies/ml plasma to 564 copies/ml plasma at 4 weeks, and 156 copies/ml at 6 weeks, followed by a plateau. This observation provides proof‐of‐concept that HPV ctDNA can be used as a noninvasive early dynamic biomarker to monitor the efficacy of new immunotherapy agents. 相似文献
3.
Cacheux W Seksik P Lemann M Marteau P Nion-Larmurier I Afchain P Daniel F Beaugerie L Cosnes J 《The American journal of gastroenterology》2008,103(3):637-642
OBJECTIVES: Cyclosporine is an effective rescue therapy in steroid-refractory ulcerative colitis (UC) and may avoid immediate colectomy. However, the individual's response to cyclosporine is poorly predictable. The aim of this study was to identify predictive factors of the response to cyclosporine in steroid-refractory UC. METHODS: One hundred thirty-five patients with steroid-refractory UC, admitted consecutively between 1992 and 2004, were included. Data were collected on the first day of the cyclosporine therapy. Colonoscopy was performed within 2 days preceding or following the cyclosporine treatment in 118 patients for assessing the presence of severe endoscopic lesions. RESULTS: The actuarial rate of colectomy was 0.45 at 6 months. Cox analysis in the whole population selected three predictive criteria of colectomy: body temperature >37.5 degrees C (adjusted hazard ratio = 1.94, 95% confidence interval 1.51-2.49), heart rate >90 bpm (1.86, 1.45-2.38), and C-reactive protein (CRP) >45 mg/L (1.70, 1.34-2.16). In the 118 patients who underwent colonoscopy, the presence of severe endoscopic lesions was an independent predictive factor of colectomy (2.38, 1.80-3.14). Colonoscopy was decisive and changed the therapeutic decision in patients with one or two criteria: 71% of the patients with severe endoscopic lesions were colectomized versus 17% of the patients without severe endoscopic lesions (P < 0.001). Finally, the clinical, biological, and endoscopic criteria allowed the classification of the patients into two different groups (80%vs 20% colectomy at 6 months). CONCLUSION: In patients with steroid-refractory UC, the combination of simple criteria is useful to predict the response to cyclosporine. Colonoscopy is crucial in patients with intermediate clinical and biological severity. 相似文献
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P Le Cacheux B Hurault de Ligny O Reman J P Ryckelynck 《La Revue de médecine interne / fondée ... par la Société nationale francaise de médecine interne》1990,11(3):250-251
The authors report a case of non fatal visceral leishmaniasis in a renal transplant recipient and underline the fact that immunosuppressive treatments facilitate the occurrence of this disease. In patients with fever, pancytopenia and spleen enlargement, it is capital to inquire whether they have sojourned in a country where leishmaniasis is endemic. The diagnosis is then confirmed by bone marrow examination. Treatment rests on antimony derivatives, but these must be handled with caution in immunocompromised patients. 相似文献
6.
Cacheux W Le Tourneau C Baranger B Mignot L Mariani P 《Journal of visceral surgery》2011,148(1):12-18
Targeted therapy has become an indispensable tool in the management of metastatic colorectal cancer (mCRC). The combination of monoclonal antibodies with conventional polychemotherapy has proven its efficacy as the median overall survival now exceeds 24 months: these novel molecules act by targeting circulating vascular endothelial growth factor (VEGF) and the receptor of epidermal growth factor (EGFR). At the present time, no factor has been identified to predict the efficacy of bevacizumab, an inhibitor of circulating VEGF. On the other hand, mutation of the KRAS oncogen has been proven to be a factor of non-response, or even of deleterious response to the use of EGFR, therefore limiting its use to patients whose tumors bear the wild type KRAS oncogen. Treatment toxicity for these molecules is moderate, specific, and is not cumulative with chemotherapy-related toxicity. On the other hand, combined targeted therapy (association of several targeted therapy drugs) has not been shown to be of any benefit. Other biotherapies continue to be developed, but there is not yet a consensus of how to best target the tumor nor which anti-tumoral molecules to use in the treatment of mCRC. 相似文献
7.
8.
Lissandre S Bay JO Cahn JY Porcher R Cacheux V Cabrespine A Cornillon J Cassinat B Peffault de Latour R Socie G Robin M 《Bone marrow transplantation》2011,46(4):557-561
Allogeneic haematopoietic stem-cell transplantation (HSCT) is the only curative treatment for myelofibrosis. We retrospectively analyzed the outcome of patients who underwent allogeneic HSCT, 1994-2008, and the potential risk factors affecting non-relapse mortality (NRM), OS and relapse-free survival (RFS). A total of 39 patients, 15-65 (median 49) years old, diagnosed with primary (n=27) or secondary (n=12) myelofibrosis underwent HSCT (25 related and 14 unrelated). In ten patients, disease had transformed into acute leukaemia. Lille prognosis score was low for 9, intermediate for 16 and high for 14 patients. The conditioning regimen was myeloablative (MAC) for 15 and reduced-intensity (RIC) fludarabine-based for 24, with successful engraftment in 38 patients. A total of 31 patients developed grade I-IV GvHD; 19 developed chronic GvHD. The 3-year OS, RFS and NRM rates (95% confidence interval) were 60% (42-74), 54% (37-59) and 30% (30-45), respectively. 相似文献
9.
Maud Kamal Sonia Lameiras Marc Deloger Adeline Morel Sophie Vacher Charlotte Lecerf Clia Dupain Emmanuelle Jeannot Elodie Girard Sylvain Baulande Coraline Dubot Gemma Kenter Ekaterina S. Jordanova Els M. J. J. Berns Guillaume Bataillon Marina Popovic Roman Rouzier Wulfran Cacheux Christophe Le Tourneau Alain Nicolas Nicolas Servant Suzy M. Scholl Ivan Biche RAIDs Consortium 《British journal of cancer》2021,124(4):777
Background Cervical cancer (CC) remains a leading cause of gynaecological cancer-related mortality with infection by human papilloma virus (HPV) being the most important risk factor. We analysed the association between different viral integration signatures, clinical parameters and outcome in pre-treated CCs.Methods Different integration signatures were identified using HPV double capture followed by next-generation sequencing (NGS) in 272 CC patients from the BioRAIDs study []. Correlations between HPV integration signatures and clinical, biological and molecular features were assessed.Results Episomal HPV was much less frequent in CC as compared to anal carcinoma (p < 0.0001). We identified >300 different HPV-chromosomal junctions (inter- or intra-genic). The most frequent integration site in CC was in MACROD2 gene followed by MIPOL1/TTC6 and TP63. HPV integration signatures were not associated with histological subtype, FIGO staging, treatment or PFS. HPVs were more frequently episomal in PIK3CA mutated tumours (p = 0.023). Viral integration type was dependent on HPV genotype (p < 0.0001); HPV18 and HPV45 being always integrated. High HPV copy number was associated with longer PFS (p = 0.011).Conclusions This is to our knowledge the first study assessing the prognostic value of HPV integration in a prospectively annotated CC cohort, which detects a hotspot of HPV integration at MACROD2; involved in impaired PARP1 activity and chromosome instability.Subject terms: NCT02428842Oncology, Molecular medicine, Biomarkers, Molecular biology 相似文献
10.
Wilson M Mowat D Dastot-Le Moal F Cacheux V Kääriäinen H Cass D Donnai D Clayton-Smith J Townshend S Curry C Gattas M Braddock S Kerr B Aftimos S Zehnwirth H Barrey C Goossens M 《American journal of medical genetics. Part A》2003,(3):257-265
Mutations or deletions involving ZFHX1B (previously SIP1) have recently been found to cause one form of syndromic Hirschsprung disease (HSCR), associated with microcephaly, mental retardation, and distinctive facial features. Patients with the characteristic facial phenotype and severe mental retardation, but without HSCR, have now also been shown to have mutations in this gene. Mutations of ZFHX1B are frequently associated with other congenital anomalies, including congenital heart disease, hypospadias, renal tract anomalies, and agenesis of the corpus callosum (ACC). We present the clinical data and mutation analysis results from a series of 23 patients with this clinical syndrome, of whom 21 have proven ZFHX1B mutations or deletions (15 previously unpublished). Two patients with the typical features (one with and one without HSCR) did not have detectable abnormalities of ZFHX1B. We emphasize that this syndrome can be recognized by the facial phenotype in the absence of either HSCR or other congenital anomalies, and needs to be considered in the differential diagnosis of dysmorphism with severe mental retardation +/- epilepsy. 相似文献