immunity against avian influenza viruspanax ginseng polysaccharide (gps) can improve immunity against h9n2 avian influenza virus in chickens

نویسندگان

s. kallon

a.y. abdullahi

چکیده

the humoral immunization potential of panax ginseng polysaccharide (gps) against h9n2 avian influenza virus (h9n2 aiv) in chickens was investigated. the effects of gps treatment before and during h9n2 aiv infection were determined in chicken embryo fibroblast (cef) by mtt (3(4, 5-dimethylthiazol-2-yl)-2, 3-diphenyl tetrazolium bromide) assays and quantitative rt-pcr analysis of mhc and cytokine expression. the percentages of cd3+, cd4+ and cd8+ t cells in peripheral blood lymphocytes and serum antibody titers were examined in vivo. high expressions of mhcii and the cytokines il-2, il-4, and il-10 were observed in cef treated with gps before and during h9n2 infection. these results indicated that the antiviral activity of gps was enhanced by pretreatment of cef and that gps promotes early humoral immune responses in young chickens

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Immunity Against Avian Influenza Viruspanax Ginseng Polysaccharide (GPS) Can Improve Immunity Against H9N2 Avian Influenza Virus in Chickens

The humoral immunization potential of panax ginseng polysaccharide (GPS) against H9N2 avian influenza virus (H9N2 AIV) in chickens was investigated. The effects of GPS treatment before and during H9N2 AIV infection were determined in chicken embryo fibroblast (CEF) by MTT (3(4, 5-dimethylthiazol-2-yl)-2, 3-diphenyl tetrazolium bromide) assays and quantitative RT-PCR analysis of MHC and cytokine...

متن کامل

Pinon shell polysaccharide enhances immunity against H9N2 avian influenza virus in chickens.

This study investigated the potential of pinon shell polysaccharide (PSP) to enhance immunity against H9N2 subtype avian influenza virus (H9N2 AIV) in chickens. The effect of PSP treatment and H9N2 virus infection after PSP pretreatment were investigated by [3-(4, 5-dimethylthiazol-2-yl)-2, 3-diphenyl tetrazolium bromide] assay and analysis of major histocompatibility complex and cytokine mRNA ...

متن کامل

Production of monoclonal antibodies against recombinant nucleoprotein of avian influenza virus, serotype H9N2

Background: Avian influenza viruses (AIVs) including the subtype H9N2 cause considerable financial losses to poultry industries. Rapid and accurate diagnosis of avian influenza (AI) infection is important in control and eradication programs. OBJECTIVES: The aim of this study was to produce monoclonal antibodies (MAbs) specific for the nucleocapsid protein )NP (of AIV H9N2 subtype to improve dia...

متن کامل

Vaccination with Astragalus and Ginseng Polysaccharides Improves Immune Response of Chickens against H5N1 Avian Influenza Virus

To determine the effect of astragalus and ginseng polysaccharides (APS, GPS) on immune response and improvement of H5N1 vaccine, 360-day-old broilers were randomly divided into 8 groups of 45 chicks, comprising APS groups (1-3); GPS groups (4-6); vaccine group (7); and blank control (8) (without polysaccharide and vaccine). From day 12 after hatch groups 1-3 were given APS and groups 4-6 with G...

متن کامل

Efficacy of Live-Attenuated H9N2 Influenza Vaccine Candidates Containing NS1 Truncations against H9N2 Avian Influenza Viruses

H9N2 avian influenza virus is a zoonotic agent with a broad host range that can contribute genetic information to H5 or H7N9 subtype viruses, which are significant threats to both humans and birds. Thus, there is a great need for a vaccine to control H9N2 avian influenza. Three mutant viruses of an H9N2 virus A/chicken/Taixing/10/2010 (rTX-NS1-73, rTX-NS1-100, and rTX-NS1-128) were constructed ...

متن کامل

منابع من

با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید


عنوان ژورنال:
iranian journal of applied animal science

ناشر: islamic azad university - rasht branch

ISSN 2251-628X

دوره 5

شماره 3 2015

میزبانی شده توسط پلتفرم ابری doprax.com

copyright © 2015-2023