Learn More
Few studies comparing schistosomiasis vaccine candidate antigens between laboratories have been carried out and published. Generally, only the investigators who discovered the molecules have evaluated them in either experimental animal models or in human correlate studies. In an attempt to identify responses against specific antigens and investigate their(More)
The aim of the present work was to apply and evaluate a dipstick assay for the serodiagnosis of human hydatidosis as well as human and experimental trichinosis using camel hydatid cyst fluid (HCF) and Trichinella spiralis muscle larval (TSML) antigens, respectively, and compare this to enzyme-linked immunoelectrotransfer blot (EITB) and Falcon assay(More)
A number of different schistosome antigens are capable of partially protecting experimental animals from challenge infection. More than 100 such antigens have been identified, about 15% of which are strongly protective and deemed promising though they do not reach the level close to sterile immunity seen after vaccination with irradiated cercariae. Studies(More)
Sporadic cases of cell-mediated immunity (CMI) in persons exposed to hepatitis C (HCV) but evidently uninfected have been reported. To further define this, we measured CMI in individuals without evidence of HCV infection, that is, negative for HCV-antibodies (anti-HCV) and RNA, residing in a rural Egyptian community where prevalence of anti-HCV was 24%.(More)
Immunodiagnosis of schistosomiasis are currently based on parasitological examinations of stool and urine for egg detection, which is laborious and lacks sensitivity. There are many assays that detect the anti-schistosomal antibodies in patient sera. One of these assays is the Falcon assay screening test (FAST) ELISA that uses adult worm microsomal antigen(More)
Periportal fibrosis (PPF) is a major pathological consequence of S. mansoni infection. Ultrasonography is a well-established tool for diagnosis and grading of schistosomiasis-related pathology. This work is performed to study the effect of schistosomiasis mansoni infection on the cytokine secretion profile in S. mansoni-infected patients at various grades(More)
In an initial cross-sectional survey, serum, urine, and stool samples were collected from 370 participants representing about 10% of the population (n = 4,438) in Behbeet village, 50 km south of Cairo, Egypt, an area well known to be endemic solely for Schistosoma haematobium. Diagnosis was approached in two parallel ways. The first approach, which(More)
IgG and IgE against salivary gland proteins of bedbug (Cimex lectularius) were assessed in comparison with mosquito (Culex pipiens) and flea (Pulex irritans) antigens in the sera of papular urticaria patients (group I), siblings without papular urticaria (group IIa), patients' parents (group IIb), and healthy controls (group III) (Immunoblotting). Anti-C.(More)
Clone and express NS3 gene of the Egyptian strain ED43 of HCV genotype 4a in E. coli was studied. Gene and protein sequences of NS3 gene of the ED43 strain were first analyzed using PC/GENE program. DNA homology was 89% the homologies and that of the protein was 78.8% indicating that NS3 gene of the genotype 4a is different from those isolated from other(More)
Fasciola hepatica whole worm homogenate (Fhwwh) separated fractions were used in enzyme linked immunoelectrotransfer blot (EITB) to identify the antigen(s) which induces antibody formation in human fascioliasis. The immuno-reactive antigens recognized by the infected patients were 25-29 kDa and 12 kDa. Antigens were biochemically purified by model 491-prep(More)