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1.
Identification of an immunodominant 32-kilodalton membrane protein of Leishmania donovani infantum promastigotes suitable for specific diagnosis of Mediterranean visceral leishmaniasis. 总被引:1,自引:1,他引:1
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F Tebourski A el Gaied H Louzir R Ben Ismail R Kammoun K Dellagi 《Journal of clinical microbiology》1994,32(10):2474-2480
Sera from 35 patients suffering from Mediterranean visceral leishmaniasis (caused by Leishmania donovani infantum) and 59 patients with various forms of cutaneous leishmaniasis prevalent in the sub-Mediterranean countries (caused by Leishmania major, L. donovani infantum, or Leishmania tropica) were tested by immunoblotting and enzyme-linked immunosorbent assay (ELISA) with both membrane and soluble antigens prepared from L. donovani infantum parasites. Control sera were from healthy children (n = 41), adults with nonleishmanial diseases (n = 40), and patients with Chagas' disease (n = 12). A P32 antigen present in the membrane preparation from L. donovani infantum parasites was recognized by 95% of serum specimens from patients with Mediterranean visceral leishmaniasis but not by serum specimens from patients with cutaneous leishmaniasis or sera from control individuals. An ELISA with electroeluted P32 antigen was found to have a specificity and sensitivity of 94% in the serodiagnosis of Mediterranean visceral leishmaniasis. Healthy children with asymptomatic Leishmania infection were seronegative for the P32 antigen by ELISA. These results suggest that antibodies to P32 antigen develop only in patients with visceral leishmaniasis and that the P32 ELISA may be useful in areas where the disease is endemic for discriminating between patients with this disease and those with other clinical conditions. 相似文献
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Farhat H Reman O Raffoux E Berthon C Pautas C Kammoun L Chantepie S Gardin C Rousselot P Chevret S Dombret H Castaigne S 《American journal of hematology》2012,87(1):62-65
This Phase 1/2 study aimed to determine optimal doses of daunorubicin (DNR; mg/m2) and cytarabine (mg/m2) to be combined with fractionated doses of gemtuzumab ozogamicin (GO, Mylotarg®; 3 mg/m2 on day 1, 4, and 7) satisfying safety requirements. Three dose levels of DNR/AraC were investigated namely (45, 100), (60, 100), and (60, 200). Patients included were acute myeloid leukemia in first relapse, aged 50–70 years. Hematological recovery was 31 days for neutrophil and 32 days for platelet counts. A documented infectious episode > Grade 2 occurred in 11/20 patients (55%). None of the 20 patients had signs of veno‐occlusive disease. Overall, eleven patients reached complete remission (CR), two CR with incomplete platelets recovery. The results showed that combination of fractionated GO doses with DNR at 60 mg/m2/d for 3 days and cytarabine at 200 mg/m2/d for 7 days is tolerable and could be further investigated in the front‐line therapy. Am. J. Hematol., 2012. © 2011 Wiley Periodicals, Inc. 相似文献
5.
Ben Hamad M Mahfoudh N Marzouk S Kammoun A Gaddour L Hakim F Fakhfakh F Bahloul Z Makni H Maalej A 《Clinical rheumatology》2012,31(6):937-942
The aim of this study is to explore relationship between HLA-DRB1 alleles and the susceptibility and clinical features of rheumatoid arthritis (RA) in the south Tunisian population. We studied 142 RA patients and 123 controls matched for age, sex, and ethnicity. HLA-DRB1 genotyping and HLA-DRB1*04 subtypes were performed using polymerase chain reaction/sequence-specific primers. Association was assessed based on the χ (2) test and odds ratio with 95% confidence interval. For multiple comparisons, p value was corrected (p (c)) with Bonferroni test. Two alleles, HLA-DRB1*04 (p=0.045, p(c)=NS) and HLA-DRB1*10 (p=0.021, p(c)=NS), were found to have increased frequencies in RA patients compared to controls. In contrast HLA-DRB1*08 allele was found to have a decreased frequency in patients compared to controls (p=0.044, p(c)=NS). Molecular subtyping of the most prevalent allele (DRB1*04) revealed increased frequencies of HLA-DRB1*04:05 in patients compared to controls (p=0.013, p(c)=NS) whereas HLA-DRB1*04:02 showed a protective effect (p=0.005, p(c)=0.04). Moreover, stratified analyses indicated statistically significant associations between HLA-DRB1*04 allele and anti-cyclic peptides antibodies positivity (ACPA(+)) and rheumatoid factor positivity (RF(+); p(c)=0.03, for both subgroups), HLA-DRBI*10 and ACPA(+) and the presence of another autoimmune disease (p(c)=0.05 and p(c)=0.007, respectively), and HLA-DRB1*04:05 and RF(+) and erosion (p(c)=0.005 and p(c)=0.049; respectively). A significant decrease in the frequency of the DRB1*04:02 allele was observed in patients with ACPA(+) and RF(+) subgroups (p(c)=0.04 and p(c)=0.02, respectively). Our results showed that there was a trend of positive association of HLA-DRB1*04 and HLA-DRB1*10 with RA as such and significant associations with the disease severity in the south Tunisian population. 相似文献
6.
NOBOX is a strong autosomal candidate gene in Tunisian patients with primary ovarian insufficiency
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N. Bouali B. Francou J. Bouligand B. Lakhal I. Malek M. Kammoun J. Warszawski S. Mougou A. Saad A. Guiochon‐Mantel 《Clinical genetics》2016,89(5):608-613
Premature ovarian insufficiency (POI) affects approximately 1% of women before the age of 40. Genetic contribution is a significant component of POI. In this context, heterozygous mutations in NOBOX, BMP15 and GDF9 have been reported. The objective of our study was to evaluate the prevalence of these genes mutations in 125 unrelated Tunisian patients diagnosed with POI. The screening of NOBOX gene revealed three missense mutations (p.Arg117Trp; p.Gly91Trp and p.Pro619Leu) in eight patients. These mutations were not found in a 200 ethnically matched women without fertility problem. The sequencing of BMP15 and GDF9 gene revealed only previously reported variants. In contrast to previous studies, the prevalence of BMP15 variations is not higher than in the control population. Conversely, 6.4% of the cases present a NOBOX mutations; this high prevalence strengthens the consideration of NOBOX gene as strong autosomal candidate for POI. 相似文献
7.
Malek Kammoun Jerome Piquereau Lydie Nadal‐Desbarats Sandra Même Maud Beuvin Gisle Bonne Vladimir Veksler Yann Le Fur Philippe Pouletaut William Même Frederic Szeremeta Jean‐Marc Constans Elizabeth S. Bruinsma Molly H. Nelson Holte Zeynab Najafova Steven A. Johnsen Malayannan Subramaniam John R. Hawse Sabine F. Bensamoun 《Acta physiologica (Oxford, England)》2020,228(3)
8.
Imen Chaabani Jed Bouguila Rym Kammoun Raja Chebbi Badreddine Sriha Habib Khochteli Touhami Ben Alaya 《Clinical Case Reports》2022,10(1)
We present two cases of AOT, the first case concerns a 23‐year‐old patient with an AOT located in the maxilla and the second case involves a 37‐year‐old patient presenting an AOT with mandibular localization. 相似文献
9.
Salma Ben Ameur Rim Belhadj Sourour Yaich Ines Maaloul Jamel Damak Thouraya Kammoun 《La Tunisie médicale》2021,99(12):1174
Background : Asthma is the most common chronic disease in infants. In young children, asthma still raises many questions and many points are still being debated. Aim : The aim of this study is to identifies, in asthmatic children, factors predictors of severity and persistence of symptoms. Methods: A retrospective study of asthmatic infants<3 years enrolled in the pediatric department of Sfax over a period of 5 years (2007-2011). We were interested to social and environmental factors, the allergic background, clinical severity of the disease, results of allergic skin tests, treatment and respiratory outcome.Results: We collected 180 children with a sex ratio of 2.2. Family history of atopy and exposition to passive tobacco were noted in 45 % and 52% of cases respectively. The mean age of onset of wheezing was 6.6 months. Skin tests were positives in 32% of cases. At the time of diagnosis, asthma was classified intermittent (21%), mild to moderate (55.6%) and severe (22.2%). Inhaled corticosteroids was initiated in 142 infants (78.8%). Skin tests performed in 84 patients, were positive in 32%. Factors associated with severe asthma were passive smoking, early age of onset, number of hospitalizations for exacerbation and existence of an aggravating factor.Factors predictors of persistence were an early age of onset, caesarean delivery, passive smoking and positive skin tests. Conclusion : Factors associated with persistence of asthma at the individual level remains uncertain. However, atopy and passive smoking are major indicators. 相似文献
10.
Ichrak Bougharriou Emna Elleuch Salma Ben Hmida Ala Meddeb Zaher Boudaouara Brahim Kammoun Mounir Ben Jemaa 《La Tunisie médicale》2022,100(1):56
Background. Hydatidosis is an endemic parasitosis in Tunisia that affect mostly the liver and the lung. Brain involvment is rare. Aim. To focus on diagnostic, therapeutic and evolutive characteristics of cerebral hydatidosis. Methods. We report all cases of cerebral hydatidosis seen in the infectious diseases and neurosurgery departments between January 2013 and June 2020. Results. Six cases of intracranial hydatid cyst were reported. The male to female ratio was 3:3. Age ranged from 3 to 60 years with a median age of 20,5 years. All patients lived in rural areas. The clinical symptomatology was progressive in 4 cases. It was dominated by headache (all cases). Brain imaging confirmed the diagnosis in all cases. The hydatid cyst was solitary and supratentorial in 3 cases. All the patients were operated. Albendazole was prescribed immediately after surgery, for 6 months in 5 cases and for 3 years in the case of disseminated hydatidosis. The outcome was favorable without recurrence in all patients with an average follow-up of 3,5 ± 0,5 years. Conclusion. Hydatid cyst of the brain is characterized by the severity of the neurological signs, the mandatory use of surgery because of life threatening and the excellent outcomes. 相似文献