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排序方式: 共有191条查询结果,搜索用时 15 毫秒
1.
Emilie Balasse Gregory Gatouillat Dominique Patigny Marie Christine Andry Claudie Madoulet 《Vaccine》2009
Malignant melanoma causes significant health problems. The identification of tumour-associated antigens has led to novel approaches to increase T cell mediated anti-tumour immune response. Melan-A/MART-1 has been use as target antigen for several T cell based immunotherapeutic treatments. More recently, the critical role of CD4+ T cells in inducing and maintaining anti-tumour immunity has been increasingly recognized. In order to optimize tumour immunotherapy, greater efforts have been concentrated on the identification of tumour antigens presented by MHC class II molecules to CD4+ T cells. In a publication, Tiwari et al. (2004) [1] have identified by a computational approach the 15-mer amino-acid sequence 101–115 (PPAYEKLSAEQSPPP) of the Melan-A/MART-1 as a good target for a vigorous and safe immunotherapy. Therefore, we have investigated the in vivo anti-tumour activity of this peptide in a murine melanoma model. For the prophylactic treatment, 20 μg or 50 μg peptide was subcutaneously injected in mice once a week during 3 weeks before tumour induction. Treatment with 50 μg peptide significantly affected tumour development. Thus, our preliminary data demonstrate potential in vivo prophylactic activity of the 101–115 peptide-based vaccine to control melanoma growth. 相似文献
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CD101 expression by Langerhans cell histiocytosis cells 总被引:4,自引:0,他引:4
Bouloc A Boulland ML Geissmann F Fraitag S Andry P Teillac D Bensussan A Revuz J Boumsell L Wechsler J Bagot M 《Histopathology》2000,36(3):229-232
AIMS: Our objective was to study the expression of a recently identified cell surface molecule, CD101 and in Langerhans cell histiocytosis (LCH) patients as CD101 has been shown to be present on dendritic cells. We wanted to determine if CD101 expression could be helpful for the diagnosis of LCH in conjunction with other markers (CD1a, S100 protein), and could be predictive of the evolution and dissemination of the disease. METHODS AND RESULTS: The expression of CD101 was studied by immunohistochemical technique in 11 cases of Langerhans cell histiocytosis on frozen sections. The expression of CD101 was positive in nine cases, high in six cases and low in three cases. There was no expression in the other two cases. No correlation with the evolution, the localization or the dissemination of the disease could be evidenced. CONCLUSIONS: CD101 is a new phenotypic marker that might be useful in combination with other markers for the diagnosis of LCH. However, as the anti-CD101 antibody works only in frozen sections, its value is limited compared to anti-CD1a antibody. 相似文献
3.
Andry Perrin Wulphert Venderink Michael A. Patak Claudius Möckel Jean-Luc Fehr Patrice Jichlinski Beat Porcellini Ilaria Lucca Jurgen Futterer Massimo Valerio 《Urologic oncology》2021,39(5):297.e9-297.e16
ObjectivesTo evaluate the utility of in-bore multiparametric magnetic resonance-guided biopsy of the prostate (IB) in patients with visible lesion/s and previous negative software-based multiparametric magnetic resonance imaging/ultrasonography fusion-targeted biopsy of the prostate (FTB).Patients and methodsWe retrospectively analysed prospectively maintained database including consecutive men undergoing IB from March 2013 to October 2017 in 2 European centres expert in this procedure. We selected men with the following criteria: No previous treatment for prostate cancer (CaP), multiparametric magnetic resonance imaging (mpMRI) lesion(s) PIRADS score ≥ 3, FTB showing no clinically significant cancer (csCaP), and subsequent IB. Patient's characteristics, mpMRI findings, biopsy technique, and histopathological results were extracted. The primary outcome was to determine the detection rate of csCaP, defined as any Gleason pattern ≥ 4. A multivariable analysis was performed to identify predictors of positive findings at IB.ResultsFifty-three men were included. Median age was 68 years (interquartile range [IQR] 64–68), median Prostate-Specific Antigen (PSA) was 7.6 ng/ml (IQR 5.2–10.9), and median prostate volume was 59 ml (IQR 44–84). Fifty-six lesions with PIRADS score 3 in 9 cases (16%), 4 in 30 cases (54%), and 5 in 17 cases (30%) were detected. FTB was performed in all cases using a transrectal approach with 3 different platforms (Toshiba, Koelis, and Artemis). Median time between FTB and IB was 3 months (IQR 1–7). A median of 2 cores per lesion were collected with IB (IQR 2–3). No cancer, clinically insignificant and clinically significant cancer were found in 33 (59%), 9 (16%), and 14 (25%) targeted lesions, respectively. Median maximum cancer core length and maximum positive percentage were 9 mm (3–13) and 55% (21%–80%). The only predictor of csCaP on IB was prostate volume (P = 0.026) with an ideal cut-off at 70 ml.ConclusionOne in 4 patients with previous negative FTB, IB was able to detect csCaP. According to this study, IB would be of particularly useful in patients with large glands. 相似文献
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Objective: To determine if systemic neutrophil intrinsic 5-lipoxygenase (5-LO) inhibition correlates with decreased expression of surface adhesion molecules and attenuation of ischemia-reperfusion (i/r) injury in guinea pig island skin flaps. Methods: Eighty-one adult female Hartley guinea pigs were divided into one control group, three 2-hour ischemia groups, and four 10-hour ischemia groups. Island dorsal skin flaps were developed (except in the control group), and 2 hours before reperfusion, zileutin (a 5-LO inhibitor) or vehicle was administered orally. Postreperfusion systemic neutrophil receptor expression, neutrophil flap infiltration, and flap survival were measured. Neutrophils from whole blood were analyzed for CD 18 containing surface receptor expression using monoclonal antibodies and cell associated fluorescence. Neutrophil infiltration into a distal centimeter squared of flap tissue was assessed using myeloperoxidase antibodies, and flap survival was determined within 7 days postoperatively. Results: Flaps in the treated 2? and 10-hour ischemic groups survived totally intact, while the untreated 10-hour ischemic flaps underwent total necrosis. A significant main effect of the drug was detected using analysis of variance (ANOVA) (P =.0001). Surface receptor detection and neutrophil infiltration were significantly increased in the untreated animals. Conclusions: Zileuton, a 5-LO inhibitor, reduces adhesion receptor expression on systemic neutrophils and attenuates i/r injury. Systemic neutrophil intrinsic 5-LO activity and CD18 receptor expression are linked to reperfusion injury and may be fundamental events in its pathogenesis. 相似文献
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Rivonirina Andry Rakotoarivelo Radonirina Lazasoa Andrianasolo Dina Ranoharison Rado Olivier Sedson Rakoto Fandresena Arilala Sendrasoa Mamy Jean de Dieu Randria 《亚太热带病杂志(英文版)》2011,1(4):333-334
Neurocysticercosis can simulate a paradoxical response during antituberculosis therapy with neurological ailments. We report the case of a 31 year-old-man, treated for tuberculous meningitis who developed neurological deficit after nine weeks of early antituberculous therapy. The diagnosis of neurocysticercosis was confirmed by CT scan and cerebrospinal fluid analysis. Neurocysticercosis should be sought as an important differential of paradoxical response during antituberculosis therapy. 相似文献
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Mieke Dolphens Barbara Cagnie Pascal Coorevits Andry Vleeming Tanneke Palmans Lieven Danneels 《European spine journal》2014,23(3):530-535