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排序方式: 共有236条查询结果,搜索用时 31 毫秒
1.
Haddouk S Ben Ayed M Baklouti S Hachicha J Bahloul Z Masmoudi H 《Pathologie-biologie》2005,53(6):311-317
We have analysed the clinical features and autoantibody profile of 84 tunisian patients with newly diagnosed systemic lupus erythematosus (SLE). Antinuclear antibodies (ANA) were detected by an immunofluorescence method, anti-dsDNA and anti-cardiolipin (aCL) antibodies by ELISA, antinucleosome and anti-extractible nuclear antigens (or anti-ENA: anti-Sm, anti-RNP, anti-SSA and anti-SSB) by immunodot. The mean age of the patients was 29,9 years and the sex-ratio F/M was 6. The most common initial features were haematological (80%), rheumatological (78%) and cutaneous (75%) disorders. 59% of the patients had glomerular nephropathy. ANA were detected in 97.6%, antinucleosome in 78.6%, anti-dsDNA in 75%, anti-histones in 44%, anti-Sm in 36.9%, anti-RNP in 32.1%, anti-SSA in 54.8% and anti-SSB in 14.3% of patients. IgG and IgM aCL were detected in 45 and 40% of the patients respectively. The significant clinical associations were those of nephropathy and disease activity with anti-dsDNA and antinucleosome antibodies. Our results confirm the clinical polymorphism of SLE, the high frequency of antinucleosome antibodies at time of diagnosis and the predominance of anti-SSA among anti-ENA antibodies. 相似文献
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In the present investigation we have prepared and characterized curcumin (CN)-containing chitosan nanoparticles (CS-NPs) coated with Eudragit FS 30D for colon-specific drug delivery for treatment of ulcerative colitis. Methods: CS-NPs were prepared by ionic gelation using tripolyphosphate. To specify pH sensitive delivery, CS–CN-NPs were coated with Eudragit FS 30D by using a solvent evaporation method. Different process parameters were evaluated, and the optimized formulation was characterized by particle size, size distribution, zeta potential and encapsulation efficiency before lyophilization. The lyophilized product was further subjected to Fourier-transform infrared spectroscopy, and particle morphology and in vitro drug release in different media were studied. Results: the kinetics of in vitro drug release from the CS–CN-NPs revealed sustained release behaviour of the developed carriers. In vivo biodistribution study by gamma-scintigraphy showed good accumulation of the developed nanocarriers in the colonic region. Conclusion: sustained and pH stimulated delivery of CN to the colon was successfully attained via coating of CS-NPs with Eudragit FS 30D to circumvent poor absorption and availability of CN.In the present investigation we have prepared and characterized curcumin (CN)-containing chitosan nanoparticles (CS-NPs) coated with Eudragit FS 30D for colon-specific drug delivery for treatment of ulcerative colitis. 相似文献
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Krichen Makni S Mnif Hachicha L Ellouze S Mnif M Khabir A Ketata H Abid M Sellami Boudawara T 《La Revue de médecine interne / fondée ... par la Société nationale francaise de médecine interne》2005,26(12):980-983
INTRODUCTION: Complete androgen insensitivity syndrome or testicular feminization syndrome (TF) is the most common form of male pseudohermaphrodism, caused by a failure of androgen receptor binding. Patient with male genotype 46 XY, has a female morphotype with well developed external sexual organs. EXEGESIS: - We report the case of a 29 year-old girl with a TF syndrome discovered during the exploration of a primary amenorrhoea. Bilateral orchidectomy was performed. The testis were immature; they showed bilateral leiomyoma of the tunica albuginea and multiple hamartomas on the right side. CONCLUSION: Benign tumors are developped in 80% of cases of TF and they are generally hamartomatous nodules of testis. Association of paratesticular leiomyoma to synchronous hamartoma has never been described, its histogenesis is discussed. 相似文献
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Rahma Mani Sabrina Belkacem Zohra Soua Sandra Chantot Guy Montantin Sylvie Tissier Bruno Copin Jihene Bouguila Nicolas Rive Le Gouard Lamia Boughamoura Salma Ben Ameur Mongia Hachicha Raoudha Boussoffara Khadija Boussetta Samia Hammouda Abir Bedoui Habib Besbes Seif Meddeb Karima Chraeit Monia Khlifa Estelle Escudier Serge Amselem Imed Mabrouk Marie Legendre 《Human mutation》2020,41(1):115-121
Primary ciliary dyskinesia (PCD) is a genetically heterogeneous disease of motile cilia. Even though PCD is widely studied, North‐African patients have been rarely explored. In this study, we aim at confirming the clinical diagnosis and explore the genetic spectrum of PCD in a cohort of Tunisian patients. Forty clinically diagnosed patients with PCD belonging to 34 families were recruited from Tunisian pediatric departments. In each proband, targeted capture PCD panel sequencing of the 40 PCD genes was performed. PCD panel sequencing identified bi‐allelic mutations in 82% of the families in eight PCD genes. Remarkably, 23.5% of patients carried the same c.2190del CCDC39 mutation. Single nucleotide polymorphism profiling in six unrelated patients carrying this mutation has revealed a founder effect in North‐African patients. This mutation is estimated to date back at least 1,400–1,750 years ago. The identification of this major allele allowed us to suggest a cost‐effective genetic diagnostic strategy in North‐African patients with PCD. 相似文献
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M Hachicha A Mahfoudh M Sarbeji J Laifa S Marrekchi S Sallemi A Triki 《Annales de pédiatrie》1990,37(6):395-398
We report two cases of hemopigmented villonodular synovitis in two girls aged 5 years 9 months and 13 years respectively. This condition is a clinicopathologic entity of unknown pathogenesis and is exceedingly rare in childhood. Patients of both sexes can be affected, with no particular predominance. The clinical picture in our two patients consisted only in chronic hemarthrosis of the knee with occasionally tumor-like features. Arthrographic changes were not specific. Diagnosis was established upon arthrography and results of pathologic studies of biopsy specimens. Therapy of this condition is surgical and recurrences are infrequent. 相似文献