Two polarized patterns (Th1 and Th2) of cytokines regulate inflammatory responses. Each cytokine pattern inhibits production of the opposing pattern. Lymphocytes from inflamed intestine due to Crohn's disease secrete a Th1 pattern of cytokines. Crohn's disease is most prevalent in highly industrialized countries with temperate climates. It occurs rarely in tropical third world countries with po...

Parasites and parasitic diseases have been prevalent in Iran according to Iranian ancient scholars and physicians' inscriptions dating back to 865-1496. Some protozoan diseases such as malaria and cutaneous leishmaniasis have been introduced by clinical manifestations and helminthic infections by size and morphology of the worms. Scientific studies of Parasitology started in Iran from 1833, fir...

OBJECTIVE Eosinophilia and increased serum IgE levels are indicators of atopy; however, other factors can also play a key role, such as intestinal parasitic infections. This study assesses the relationship between total serum IgE, eosinophil count, and anti-Ascaris IgE in individuals with asthma and/or allergic rhinitis. METHODS A cross-sectional study was carried out in adolescents with asth...

Approximately one-third of humanity, especially in developing countries, is infected with parasitic roundworms or flatworms, collectively known as helminth parasites. These infections cause severe diseases, delayed physical development and mortality. A person in helminth endemic areas may be infected with these parasites all his life. These parasitic infections coincide with many other infectio...

background: wild boars, sus scrofa , of wide distribution considered as a potential source of zoonotic parasites. the current study aimed to assess the prevalence of helminth infections in wild boars in the persian gulf coastal area (bushehr province), southwestern iran. methods: twenty-five wild boars, including 11 males and 14 females, were collected during a course of vertebrate pest control...

The prevalence of soil-transmitted helminthic infections and health behaviors related to infections in schoolchildren and villagers of a community (4 hamlets) was studied in Hauy Kayeng subdistrict, Thong Pha Phum district, in the north of Kanchanaburi Province. The intestinal helminth infection rate of the schoolchildren was 15.6%. Hookworm infection was the most prominent (9.8%), followed by ...

A survey of prevalence of intestinal parasites among the expatriates and native Emirati people attending Ministry of Health hospitals in Sharjah, United Arab Emirate was performed during the year 2008 and 2009. Stool examination from 10,514 patients (64% expatriates and 36% native Emiratis) was performed. Eight hundred fourteen specimens of the 10,514 examined were found to be positive for inte...