Dendritic cells (DCs) play an important role in both immunological tolerance and immunity as well as in pro- and anti-inflammatory responses. Upon uptake of apoptotic cells and apoptotic bodies, DCs degrade self antigens from them and induce anti-inflammatory response and T regulatory (Treg) cells resulting in the maintenance of tolerance to self antigens. Ageing is characterized by progressive...

background: 1.3% of people in iran are positive for anti-hbc antibody.the objective of this study is to determine the rate of seroconversion in those with persistent isolated anti-hbc after vaccination. materials and methods: in a quasi-experimental study, 94 persons with isolated anti-hbc antibody who were referred to tehran blood transfusion organization between 2002 and 2004 were selected th...

Aim: Main objective of this study was to evaluate the immunogenicity of hepatitis B vaccines commonly available in the Pakistan’s market. For this purpose we compared immunogenicity and reactogenicity of four recombinant hepatitis B vaccines in apparently healthy young female volunteers in Karach

BACKGROUND With the advancement of biomedical technology, artificial materials have been developed to replace diseased, damaged or nonfunctional body parts. Among such materials, ultra high molecular weight alkane or modified alkyl polymers have been extensively used in heart valves, stents, pacemakers, ear implants, as well as total joint replacement devices. Although much research has been un...

BACKGROUND Rift Valley fever is an emerging zoonotic viral disease, enzootic and endemic in Africa and the Arabian Peninsula, which poses a significant threat to both human and animal health. The disease is most severe in ruminants causing abortions in pregnant animals, especially sheep animals and high mortality in young populations. High mortality rates and severe clinical manifestation have ...