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排序方式: 共有122条查询结果,搜索用时 15 毫秒
101.
Ismail Ben Mosbah Joan Roselló-Catafau Rosa Franco-Gou Hassen Ben Abdennebi Dalila Saidane Silvina Ramella-Virieux Olivier Boillot Carmen Peralta 《Liver transplantation》2006,12(8):1215-1223
A new Institut Georges Lopez (IGL-1) solution was used to preserve steatotic livers. Steatotic (obese [Ob]) and nonsteatotic (lean [Ln]) livers from Zücker rats (n = 16, 8 Ln and 8 Ob) were preserved for 24 hours at 4 degrees C in University of Wisconsin (UW) or IGL-1 solution, respectively, and then perfused ex vivo for 2 hours at 37 degrees C. Additionally, Ob and Ln livers (n = 16, 8 Ln and 8 Ob) were preserved in IGL-1 plus Nomega-nitro-L-arginine methyl ester hydrochloride (L-NAME). Hepatic injury and function (aminotransferases, bile production, bromosulfophthalein clearance), and factors potentially involved in the susceptibility of steatotic livers to ischemia-reperfusion injury, such as oxidative stress, mitochondrial damage, and vascular resistance, were studied. Nitric oxide (NO) production and constitutive and inducible NO synthase were also measured. Steatotic and nonsteatotic livers preserved in IGL-1 solution showed lower transaminases, malondialdehyde, glutamate dehydrogenase levels, and higher bile production than UW-solution-preserved livers. IGL-1 solution protected against oxidative stress, mitochondrial damage and the alterations in vascular resistance associated with cold ischemia-reperfusion. Thus, at the end of reperfusion period, aspartate aminotransferase levels in steatotic livers were 281 +/- 6 U/L in UW vs. 202 +/- 10 U/L in IGL-1 solution. Glutamate dehydrogenase was 463 +/- 75 U/L in UW vs. 111 +/- 4 U/L in IGL-1 solution, and oxidative stress was 3.0 +/- 0.1 nmol/mg prot in UW vs. 2.0 +/- 0.1 nmol/mg prot in IGL-1 solution. These beneficial effects of IGL-1 solution were abolished by the addition of L-NAME, which implicates NO in the benefits of IGL-1. In conclusion, IGL-1 solution provided steatotic livers with better protection against the deleterious effects of cold ischemia-reperfusion injury than did UW solution. 相似文献
102.
A el Kohen A Benjelloun L Benchekroun N Jazouli A Benaissa M Kzadri 《Revue de stomatologie et de chirurgie maxillo-faciale》2001,102(2):123-128
Significant controversy persists in the classification of giant cell lesions of the maxillofacial skeleton. Multifocal giant cell lesions are strongly suggestive of hyperparathyroidism brown tumors. Maxillary localization is extremely rare. We report a case of primary hyperparathyroidism manifesting in the form of giant cell tumors of the maxilla, the hard palate and long bones. Biochemistry confirmed the diagnosis. Computed tomography localized the parathyroid tumor at the cervicothoracic junction in the retrosternal area. We discuss the clinical features of skeletal involvement in primary hyperparathyroidism and stress the need for ionized serum calcium assay in case of giant cell tumors of the cranial bones. 相似文献
103.
104.
Jeddi R Ben Abdennebi Y Allani B Belakhal R Aissaoui L Ben Abid H Ali ZB Meddeb B 《La Tunisie médicale》2007,85(2):174-176
Tumor lysis syndrome is a potentially life threatening oncologic emergency that requires immediate medical intervention. The syndrome results from the destruction (or lysis) of a large number of rapidly dividing malignant cells spontaneously or during chemotherapy. The resulting metabolic abnormalities include hyperkaliemia, hyperuricemia, and hyperphosphatemia with secondary hypocalcemia, all of which put patients at risk for renal failure and alteration in cardiac function. The tumor lysis syndrome occurs most often in patients with large tumor burdens that are very sensitive to chemotherapy and radiotherapy, such as acute or chronic leukaemias with high leukocyte counts and high-grade lymphoma. The current standard management for tumor lysis syndrome consists of allopurinol or recombinant urate oxidase for high risk patient in conjunction with i.v. hydratation with or without alkalinization. 相似文献
105.
Samir Ben Ali Hanen Belfki-Benali Decy Ben Ahmed Najet Haddad Awatef Jmal Monia Abdennebi 《Clinical and experimental hypertension (New York, N.Y. : 1993)》2016,38(4):370-374
This study aimed to evaluate the association of abdominal obesity, apolipoprotein and insulin resistance (IR) with the risk of hypertension in postmenopausal women. We analyzed a total of 242 women aged between 35 and 70 years. Blood pressure (BP), anthropometric indices, lipid profile, fasting glucose, insulin, C-reactive protein (CRP) and apolipoprotein concentrations were measured. Homeostasis model assessment (HOMA) was used to assess IR. Hypertension was defined as a systolic BP (SBP) ≥140 mmHg and/or diastolic BP (DBP) ≥90 mmHg or current treatment with antihypertensive drugs. Women with hypertension showed significantly higher mean values of age, SBP and DBP, waist circumference (WC), fasting plasma glucose (FPG), insulin, HOMAIR and the apolipoprotein B (apoB). When analyses were done according to the menopausal status, higher prevalence of hypertension was observed in postmenopausal women (72.8% vs. 26.0%, p < 0.001) compared to their premenopausal counterparts. Postmenopausal women showed also significantly higher mean values of SBP and DBP, WC, HOMAIR and apoB. Multivariate linear regression analysis revealed that SBP was significantly affected by WC (p = 0.034), apoB (p = 0.038) and log HOMAIR (p = 0.007) in postmenopausal women. The interaction models revealed significant interaction between WC, apoB and log HOMAIR (WC×apoB×log HOMAIR) on SBP (p = 0.001) adjusted for age. In a multivariate logistic regression, adjusting for age and apoB, WC (p = 0.001), log HOMAIR (p = 0.007) and menopause (p = 0.008) were significantly associated with higher risk for hypertension. These results suggest that changes in WC, apoB and IR accompanying menopause lead to a greater prevalence of hypertension in postmenopausal women. 相似文献
106.
Changes in Helicobacter pylori ultrastructure and antigens during conversion from the bacillary to the coccoid form. 总被引:5,自引:1,他引:5 下载免费PDF全文
M Benaissa P Babin N Quellard L Pezennec Y Cenatiempo J L Fauchre 《Infection and immunity》1996,64(6):2331-2335
In vitro, Helicobacter pylori converts from a bacillary to a full coccoid form via an intermediate U-shaped form. Organisms with a full coccoid form keep a double membrane system, a polar membrane, and invagination structures. Western blots (immunoblots) of sera from colonized patients show that some high-molecular-mass antigenic fractions are expressed only in coccoids. Conversely, fractions of 30 and 94 kDa were more intensively detected in the bacillary forms. These results suggest that (i) coccoid conversion is not a degenerative transformation and (ii) antigens specific to the coccoid forms are expressed in vivo. 相似文献
107.
Lapostolle F Bourdain F Adnet F Benaissa A Muszynski J Baud F 《Annales fran?aises d'anesthèsie et de rèanimation》2000,19(8):607-610
Verapamil poisonings are rare, but are associated with a high proportion of deaths. The authors present a case of acute poisoning by verapamil associated with collapsus and a high degree of heart block. They propose a strategy for therapeutic management based on the study of calcium-channel blocker mechanisms of toxicity. 相似文献
108.
Ramzi Jeddi Hèlà Ghédira Yosr Ben Abdennebi Karima Kacem Ramzi Ben Amor Lamia Aissaoui Walid Bouterâa Raihane Ben Lakhal Hèla Ben Abid Samia Menif Zaher Belhadjali Balkis Meddeb 《Medical oncology (Northwood, London, England)》2011,28(4):1618-1623
Reports on childhood APL from developing countries are scarce. We treated 65 APL with two consecutive trials combining ATRA and chemotherapy. Twenty (30.7%) were aged less than 20 years including 11 girls and 9 boys, with a median age of 12 years. Fever at presentation (P = 0.002) and variant APL (P = 0.044) were more frequent in children, while there were no significant difference between children and adults for WBC count, Sanz’s score distribution and additional cytogenetic abnormalities. The CR rate was 95% (19/20) in children and 80% (36/45) in adults (P = 0.13). Differentiation syndrome (DS) was less often observed in children (1/20) than in adults (13/45) (P = 0.031). Two children relapsed and died during salvage therapy, and 2 died in CR from infection and from cardiac failure attributed to anthracyclines, while other children remained alive in CR. With a median follow-up of 4 years, 4-year EFS was 75% in children and 71.1% in adults (P = 0.57), while 4-year OS was 75% in children vs. 73.3% in adults (P = 0.72). Our results suggest that, even in the absence of optimal socio-economic condition, ATRA combined with anthracycline-based chemotherapy gives adequate results in childhood APL, as in adults. 相似文献
109.
H. Tlemsani B. El Khannousi N. Kabbaj F. Zouaydia M. Salihoun N. El Idrissi M. M. Mohammadi N. Mahassini A. K. Benaissa 《Journal Africain d'Hépato-Gastroentérologie》2008,2(1-2):27-30
Primary intestinal lymphangiectasia leads to a protein-losing enteropathy due to lymph leak into the intestinal tract. We report observations of two patients who presented oedema, hypoproteinemia and lymphopenia due to protein-losing enteropathy. Radiological, endoscopic and histological investigations revealed primary intestinal lymphangiectasia. Dietary treatment with middle chain triglycerides was partially effective. One patient developed tuberculous spondylodiscitis of the cervical discs and the other patient died. 相似文献
110.
Lionel Badet Hassen Ben Abdennebi Palmina Petruzzo Brigitte McGregor Michele Espa Aoumeur Hadj-Aissa Silvina Ramella-Virieux Jean Paul Steghens Francesca Portoghese Xavier Martin 《Transplant international》2005,17(12):815-821
Ischemia-reperfusion injury conditions short-term and long-term graft function. The effects of the inversion of K+ and Na+ concentrations and substitution with polyethylene glycol for hydroxyethyl starch in University of Wisconsin (K-UW) solution were evaluated in isolated perfused rat kidneys and in autotransplanted pig kidneys. In the rat model kidneys were cold-stored for 24 h in K-UW or Na-UW or Na-PEG UW solutions (IGL-1 solution). Fractional sodium reabsorption and glomerular filtration rate was better in kidneys preserved in Na-UW and IGL-1 solution than those preserved in K-UW solution. In the pig model the left kidney was harvested and preserved in K-UW or IGL-1 solution for 24 h and then transplanted. In the autotransplanted pig model, kidneys preserved in IGL-1 solution showed a better function and a significant reduction of MHC class II expression, cellular apoptosis and interstitial fibrosis. In conclusion, kidneys preserved in IGL-1 solution tolerated ischemia/reperfusion injury better than those preserved in K-UW solution. 相似文献