نتایج جستجو برای: gra5

تعداد نتایج: 23  

2011
Jalal Babaie Ghazaleh Sadeghiani Majid Golkar

Toxoplasmosis is an infection caused by the protozoan parasite Toxoplasma gondii (T.gondii) throughout the world. Although usually asymptomatic, the infection can cause serious medical problems in immunocompromised individuals and fetuses. Toxoplasmosis also causes considerable economic loss because of abortion in livestock. DNA vaccination is a promising approach against intracellular parasite...

2016
Zahra Arab-Mazar Shirzad Fallahi Ameneh Koochaki Hadi Mirahmadi Seyyed Javad Seyyed Tabaei

BACKGROUND AND OBJECTIVES Toxoplasma gondii is an obligatory intracellular parasite which causes severe diseases in the fetus of pregnant women and immunocopmromised patients. Serological tests based on recombinant protein are one of the main diagnosis methods for the detection of specific antibodies in serum samples. Dense granule antigenic proteins derived from T. gondii (TgGRAs) are potentia...

Journal: :avicenna journal of medical biotechnology 0

toxoplasmosis is an infection caused by the protozoan parasite toxoplasma gondii (t.gondii) throughout the world. although usually asymptomatic, the infection can cause serious medical problems in immunocompromised individuals and fetuses. toxoplasmosis also causes considerable economic loss because of abortion in livestock. dna vaccination is a promising approach against intracellular parasite...

Journal: :The Southeast Asian journal of tropical medicine and public health 2015
Xiao-Teng Ching Yee-Ling Lau Mun-Yik Fong

Toxoplasmosis is a foodborne disease caused by Toxoplasma gondii, an obligate intracellular parasite. The parasite remains protected within a parasitophorous vacuole (PV), a specialized compartment formed within the infected host cell during and after invasion. Dense granules (GRA) are T. gondii specialized secretory organelles involved in PV development. GRA2 contributes to the formation of in...

Journal: :iranian journal of microbiology 0
zahra arab-mazar infectious diseases and tropical medicine research center, shahid beheshti unversity of medical sciences, tehran, iran shirzad fallahi department of parasitology and mycology, lorestan university of medical sciences, khorramabad, iran ameneh koochaki department of biotechnology, faculty of medicine, shahid beheshti university of medical sciences, tehran, iran hadi mirahmadi infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, iran seyyed javad seyyed tabaei department of parasitology and mycology, shahid beheshti university of medical sciences,tehran, iran

background and objectives: toxoplasma gondii is an obligatory intracellular parasite which causes severe diseases in the fetus of pregnant women and immunocopmromised patients. serological tests based on recombinant protein are one of the main diagnosis methods for the detection of specific antibodies in serum samples. dense granule antigenic proteins derived from t. gondii (tggras) are potenti...

2014
Xiao Teng Ching Yee Ling Lau Mun Yik Fong Veeranoot Nissapatorn Hemah Andiappan

Toxoplasma gondii infects all warm-blooded animals, including humans, causing serious public health problems and great economic loss for the food industry. Commonly used serological tests require costly and hazardous preparation of whole Toxoplasma lysate antigens from tachyzoites. Here, we have evaluated an alternative method for antigen production, which involved a prokaryotic expression syst...

Journal: :Frontiers in microbiology 2016
Xiao T. Ching Mun Y. Fong Yee L. Lau

Toxoplasmosis is a foodborne disease caused by Toxoplasma gondii, an obligate intracellular parasite. Severe symptoms occur in the immunocompromised patients and pregnant women leading to fatality and abortions respectively. Vaccination development is essential to control the disease. The T. gondii dense granule antigen 2 and 5 (GRA2 and GRA5) have been targeted in this study because these prot...

ژورنال: فیض 2012
دلیمی‌اصل, عبدالحسین , سلیمی, محبوبه , شجاعی, سعیده, شریفی, زهره, غفاری ‌فر, فاطمه , ناصری فر, راضی,

سابقه و هدف: عوارض توکسوپلاسموز ضرورت یافتن واکسن مؤثری علیه این بیماری را مطرح می‌سازد. ایمن‌سازی با پلاسمید نوترکیب حاوی ژن‌های کد کننده پروتئین‌های محافظت کننده، راه‌کاری امید بخش برای ساخت واکسن به‌شمار می‌آید. تحقیق حاضر با هدف ارزیابی ایمنی‌زایی پلاسمید کد کننده آنتی‌ژن GRA5 توکسوپلاسما گوندی در موش BALB/c صورت گرفت. مواد و روش‌ها: این تحقیق تجربی روی 3 گروه 10 تائی موش BALB/c که به‌طور ت...

Journal: :Genetics and molecular research : GMR 2008
M Igarashi F Kano K Tamekuni P M Kawasaki I T Navarro O Vidotto M C Vidotto R Z Machado J L Garcia

Toxoplasma gondii is an intracellular obligate protozoan, which infects humans and warm-blooded animals. The aim of the present study was to clone the rop2, gra5 and gra7 genes from T. gondii RH strain and to produce recombinant proteins. The rop2, gra5 and gra7 gene fragments produced by polymerase chain reaction were cloned into the pET102/D-TOPO vector which contains thioredoxin and polyhist...

دلیمی اصل, عبدالحسین, شریفی, زهره, غفاری فر, فاطمه, ناصری فر, راضی,

مقدمه: توکسوپلاسموز یکی از بیماری‌ های زئونوز و دارای انتشار وسیع در جهان بوده که اثرات شدید بـالینی و دام پزشکی عدیده ای را ایجاد می‌کند. این انگل داخل سلولی باعث عوارض عصبی و بیماری ‌های چشمی در افراد دارای ضعف ایمنی و نوزادان متولد از مادران آلوده می شود. بروز موارد زیاد بیماری همراه با عوارض شدید و کشنده توکسوپلاسموز ضرورت یافتن واکسن مؤثری برای این بیماری را نشان می دهد. یکی از مهم ‌ترین ر...

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