نتایج جستجو برای: somatic antigens
تعداد نتایج: 157498 فیلتر نتایج به سال:
Background: Fasciolosis is a worldwide disease with major economic and public health consequences. Early detection of the infection is important for the prevention and control of the disease. ELISA allows for early detection of fasciolosis in man and animals. Fasciolosis is caused by Fasciola hepatica and F. gigantica in man and domestic animals respectively. These two species have many similar...
BACKGROUND Recognition of helminth-derived pathogen associated molecular patterns (PAMPs) by pattern recognition receptors (PRRs), including toll like receptors (TLRs) is the first step towards initiating anti-helminth immune responses. Methods : Using somatic antigens of Ostertagia occidentalis, an important abomasal parasite of ruminants, the expression of ovine TLR2 and TLR4 in peripheral bl...
A study of the cross-reactivity among somatic and excretory-secretory antigens of the third stage larvae of Anisakis simplex s.l. and somatic antigens of other ascarid nematodes (Ascaris lumbricoides, A. suum, Toxocara canis, Anisakis physeteris, Hysterothylacium aduncum and H. fabri) was carried out by immunoblotting. It was revealed a high degree of cross-reactivity among ascarids in the 30 a...
Specific IgE antibody levels in the serum of patients with proven gnathostomiasis and in those with intermittent cutaneous migratory swelling (CMS) were determined by the enzyme-linked immunosorbent assay (ELISA) using somatic extract and excretory-secretory (ES) products of Gnathostoma spinigerum infective larvae as antigens. The third stage larval used were obtained from naturally infected ee...
The somatic or "O" antigens of the gram-negative, enteric bacilli represent the principal toxic and antigenic constituents of these organisms (1, 2). Injected intravenously in man in minute amounts, these antigens produce marked physiological reactions consisting of headache, malaise, chills, fever and granulocytopenia (1). Following repeated injections, the severity of the successive reactions...
the liver fluke fasciola hepatica causes fascioliasis, a liver disease in most part of the world and particularly in north of iran. diagnosis of the diseases is anchored in coprological manner but serological methods are preferable due to some obscurities. in this study, sera obtained from human patients infected with fasciola hepatica were tested by the enzymelinked immunotrotransfer blot (eit...
Oestrus ovis is an economically important parasite of small ruminants and a zoonotic parasite with many reports of ophthalmomyiasis in human from Iran and other countries. The aim of the peresent studywas the isolation and identification of excretory-secretory (ES) and somatic (S) antigens of O. ovis second and third stage larvae (L2, L3) collected from Arabi sheep breeds loca...
oestrus ovis is an economically important parasite of small ruminants and a zoonotic parasite with many reports of ophthalmomyiasis in human from iran and other countries. the aim of the peresent studywas the isolation and identification of excretory-secretory (es) and somatic (s) antigens of o. ovis second and third stage larvae (l2, l3) collected from arabi sheep breeds located in southwest o...
Helminth parasitism of food and dairy animals has been responsible for significant economic losses throughout the world. Although a number of helminth parasites affect ruminants, but Haemonchus contortus and Ostertagia ostertagi are of paramount importance as they affect their hosts in a number of ways and often result in their death. The aim of the present trial was to do a comparative analysi...
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