Journal of the Egyptian Society of Parasitology

The present study determined the milk value rather than serum in diagnosis of toxoplasmosis in goats using ELISA and Modified Agglutination Test (MAT). ELISA proved to be more specific and sensitive (92% & 85%), than MAT (90% & 80%) in diagnosis of Anti-T. gondii Antibodies (ATAb) in group of microscopically proved T gondii aborted goats respectively. There was a direct relationship between.the mean ELISA O.D. value and the level of Ab-titer in MAT positive sera. The overall prevalence of infection in 600 serum samples from grazing goats was 22% and 20% after examination using ELISA and IAT respectively...

In this study, both digestive and hermaphrodite glands in Biomphalaria alexandrina snails were examined by light microscope (LM) and scanning electron microscopy (SEM) in a trial to clarify its immunological role as defense mechanism against the parasite infection. B. alexandrina snails used were exposed individually to Schistosoma mansoni miracidia; according to their responsq they were classified into infected snails (shed cercariae) and non-infected snails (failed to shed cercariae). Snails not exposed to S...

The present cross sectional study was carried out to analyze the histopathological changes in the urinary bladder affected by Schistosoma haematobium among 54 patients (aged between 20-60 years; 40 males, 14 females; 44 from rural, 10 from urban areas) attending Sohag University Hospital, Egypt from. October 2015 to March 2016. 10% formalin fixed biopsy specimens were examined from which sections of 5 jum were prepared and examined microscopically. Mid-stream urine samples were collected from the patients after a slight physical exercise immediately transported to the Parasitological Laboratory to be examined for S...

Chronic liver disease is a worldwide common pathology characterized by inflammatory and fibrotic processes that may lead to progressive evolution from chronic hepatitis to cirrhosis. Peripheral blood monocytes may play an important role in the pathogenesis and resolution of liver fibrosis. These cells may offer new approaches for better understanding the pathogenesisof liver fibrosis. This work defined the proportion of circulating classical monocyte subset with hematopoietic origin in peripheral blood to establish the possible potential role of this subset as non-invasive biomarker of liver fibrosis in patients with HCV related chronic liver disease...

Giardiasis is one of the most frequent entero-parasites worldwide; its prevalence is more common in developing countries. Giardia lamblia is considered one of the opportunistic parasites and aits clinical manifestations represent the expression of host resistance and parasite viri lence. As of chronic giardiasis cases were expected to worsen in immunosuppressed patients with development of various complications. This work assessed the histolopathological and the possible immunological effects of infection with G...

Human malaria is caused by five species of Plasmodia: P. falciparum, P. vivax, P. ovale, P. malariae and P. knowlesi. Most infections are due to either P. falciparum or P. vivax, but mixed infections with more than one malarial species also occur. The majority of malaria-related deaths are due to P. falciparum. Generally, the pregnant women are a high risk group, as malaria can be a life threatening infection for both mother and fetus. Risk of stillbirth, spontaneous abortion, and other adverse pregnancy outcomes is increased in the setting of malaria, and pregnant travelers should be advised to defer travel until after delivery whenever feasible...

An entomological survey was undertaken for two years to update the mosquito fauna of the 3 regions (Mecca, Al Madinah and Tabouk), of the western coast, Kingdom of Saudi Arabia. Six localies representing such Regions (lhif, Mecca, Jeddah, Yanbu, Daba and Haql) were sampled for larvae and adults. Nineteen soecies of six genera were reported of which genus Culex (57.89% sp.) were the most commo6, followed by Anopheles (21.05%) and Stegomyia, Ochlerotatus, Aedes and Culesita (5.26% each). Three species (Cx. sitiens, Cx...

In this study a new species of Echinochasnius (Dietz, 1909) is recorded for the first time in Egypt. Life cycle of one of gymnocephalous cercariae procured from Melanoides tuberculata snail was successfully completed in the laboratory. A total of 407 Melanoides tuberculata snails were collected from Mansouriya Canal, Giza Governorate. They were individually exposed to artificial light to determine natural infection with trematode larvae, Seven snails were found infected with gymnocephalous cercariae (infection index of 1...

The present study was carried out in 26 viJlages at two Governates (Al-Khobah, and Haroob) in Jazan Region in Southwest Saudi Arabia to identify and detect the presence of Plasmodium in Anopheles arabiensis using nested-PCR technique. An. Arabiensis was identified by PCR and it was the predominant Anopheles mosquito in all the collection sites. A total of 257 An. Arabiensis females were collected and two samples from two villages (Almuatan and Alsabkha) out of 107 (1.87%) female mosquitoes from Haroob Governorate were found positive for the sporozoites of Plasmodium falciparum...

Toxoplasma gondii is an obligate intracellular zoonotic parasite that infects a large spectrum of warm-blood animals, including humans. Congenital toxoplasmosis is a worldwide problem. Rodents are intermediate hosts and serve as food for felids, the definitive hosts. A serological survey for antibodies to T. gondii was ca-ried out among two species of commensal rodent species Rattus norvegicus and R. rattus, trapped from different localities within Abu-El- Nomros center, Giza Governorate. Of 125 rats, 5 (4...

Schistosome antigens modulate host metabolic profiles in experimental animals. The effects of previous schistosome infection (PSI) and the development of metabolic syndrome remain unknown in humans. This study evaluated previous schistosome infection (PSI) related to metabolic syndrome (MS). A total of 547 participants aged >40 years from rural areas of Zagazig district were enrolled. Of them, 269 patients with. PSI and 305 normal served as controls. For all participants blood pressure, height, body weight and waist circumstance (WC) were measured...

The differentiation between acute and latent forms of Toxoplasma gondii (T gondii) infection is still considered as a complicated issue. This study elucidated the establishment of a method that can detect most, if not all, of the recent infections with T gondii through detecting both the immunological and genetic markers. The study included cases' group (G1): 30 pregnant women considered to be a high-risk group (with history of abnormal pregnancy outcomes), and the controls (G2) were 20 apparently healthy women cross matched in ages but with a history of normal pregnancy...

Spontaneous Bacterial Peritonitis (SBP) is a frequent and severe complication in patient with cirrhosis and ascites due to CLD with high mortality rate (20%-40%). SBP causes an inflammatory reaction resulting in an increased number of PMNs in ascitic fluid. It was reported that diagnosis of SBP is established when the ascitic fluid PMN count is greater than 250 cells/mm3 Lysis of the PMNs during transport to the laboratory, may occur which may lead to false negative results. This study evaluated the*usefulness of some recent parameters for diagnosis of SBP that can be used for future development of a rapid bedside test...

Acanthamoeba is an opportunistic pathogen cauAing keratitis and fatal encephalitis. Early diagnosis, followed by intense treatment using a drugs mixture is a necessity for effective therapy. Many natural compounds have proved lethal effects, yet the search for original natural amebicidal agents is still of current concern. This study investigated the acanthamoebicidal effect of A. hypogaea L. pericarp; total ethanol extract and its successive fractions, n-hexane, dichloro-methane, ethyl acetate, and methanol as well as resveratrol...

PCR-based methods have been widely used for detection of Giardia in stool. The sensitivity and hence degree of success of the molecular tool depends on many factors including efficiency of DNA extraction method, in addition to the degree of purity which necessitate removal of a great number of inhibitors from the stool samples. Therefore, Sucrose density gradient isolation method was assessed in this study to be applied prior to nucleic acid extraction and amplification of Giardia duodenalis in stool samples...

This study evaluated the association between expression of Twist2 monogenic, with pathological features and clinical outcomes of squamous cell carcinoma of the urinary bladder (SCCUB) following radical cystectomy (RC). Immunohistochemical staining Twist2 was performed on tissue archival samples comprising normal urothelium from ten controls, cystectomy specimens from 87, patients with T2 NO MO and T3-4a NO MO of bladder squamous cell carcinoma (SCC).all patients with T2-4 SCC undergone radical cystectomy and urinary diversion, follow up was for 5-10 years to assess overall survival (OS) and disease free survival (DFS)...

Protozoan parasite Toxoplasma gondii is considered as one of the most critical risk factor for recurrent abortion in pregnant females and resulted in multi congenital malformation in fetus world-wide. The present study was carried out on 693 pregnant females from Alexandria, Beheira, Gharbia, Menoufia, Qalyoubia and Fayoum provinces,"The study determined the prevalence of toxoplasmosis in pregnant females during pregnancy trimesters and shed the lights on the main risk factors and possible contamination routes...

Histopathological diagnosis was used to understand the pathological events associated with Heterophyes heterophyes (H. heterophyes) infection. CD3 and CD79α antibodies had been used as markers for both T and. B lymphocytes respectively. Immunohistochemical techniques had several advantages as remarkable sensitivity and specificity. This study aims to evaluate the roles-of praziquantel (PZQ) and aminoguanidine (AG) treatment in H heterophyes infected dogs pathologically and immunohisto-chemically. Study design included experimental infection of dogs with encysted metacercariae of H heterophyes followed by treatment with PZQ and AG...

Nurses are likely to be exposed to microorganisms during their daily practice due to their close and frequent direct contact with patients. This could be one of the main causes of transmitting infection to the patients. Therefore, nurses should demonstrate the ability to effectively utilize principles of infection control, nurses should have professional and ethical responsibilities to make sure that their knowledge and skills regarding infection control are up-to-date and they practice safely and competently at all times...

The present study investigated the effects of the accumulation of tramadol on the development rates of the larvae and pupae. Larvae of the flesh fly Sarcophaga argyrostoma (Robineau-Desvoidy, 1830) were reared on three groups of Wister albino rat livers. One group was administered the recommended or normal dose (Dl) and the second group was injected with higher over or double dose (D2) of tramadol. Tramadol was administered by stomach tube once a day, for 3 months. The third group was injected with normal saline solution as the control...