in this study 71 head of conceiving ewe and their progeny (91 head) from the flock of lori-bakhtiari sheep (360 head), in sholi station were randomly selected to determine the relationship between the immunoglobulin (igg) concentration in the ewe's serum and colostrum, and lamb's serum. ewe blood sample, colostrum of ewe and blood of the lamb was taken 2 weeks before parturition, 1 to 8 hours a...

the innate immune system utilizes pattern recognition receptors (prrs) to recognize microbes. pathogens contain various molecules with diverse effects on immune response. in this study, we evaluated the effect of dna and protein components derived from two intracellular microorganisms including listeria monocytogenes (l.monocytogenes) and toxoplasma gondii (t. gondii) on dendritic cells (dcs) a...

objective: medical students are exposed to various infectious diseases during their clinical training period, including measles and rubella. in iran, to control the outbreaks of measles and rubella a mass vaccination campaign was conducted on 2003. the present investigation evaluates immunity to measles and rubella in a group of babol medical students and determines the prevalence of medical st...

background: hepatitis b infection is a major public health problem worldwide. dental students who are frequently in contact with body fluids like blood and saliva are still at high risk for hbv exposure. the aim of this study was to evaluate the effectiveness of hbv vaccine and personal factors associated with serologic evidence of the immune response. methods: a descriptive-cross sectional stu...

natural killer (nk) cells are a subset of lymphocytes which play a crucial role in early innate immune response against infection and tumor transformation. furthermore, they secrete interferon-γ (ifn-γ) and tumor necrosis factor (tnf) prompting adaptive immu-nity. nk cells distinguish the unhealthy cells from the healthy ones through an array of cell-surface receptors. human nk cells use inhibi...

Background: Rubella infection with in the first trimester of pregnancy may lead to adverse pregnancy outcomes. The present study was conducted to evaluate the immunity against rubella among pregnant Iranian women. Materials and Methods: The steps of meta-analyses were conducted based on the PRISMA guidelines. To review the associated English and Persian literature, a comprehensive search was co...

this scientific report describes the effect of feeding detoxified karanj seed cake as protein replacement of soya bean meal on immunity and pathology in growing lambs. twenty-four male lambs, 4-6 months of age were divided into four groups of six each and fed with different levels of detoxified karanj seed cake (dkc 0%, dkc 25%, dkc 50%, dkc 75%) for 140 days. effect on humoral and cell mediate...

protection of the mammary gland against mastitis-causing pathogens is mediated by many factors in thegland and blood circulation. the professional phagocytic cells of bovine udder, polymorphonuclearneutrophils (pmn) and macrophages, comprise the first line of defense against invading mastitis pathogens.most researchers now accept that the pmn is a key factor in the cows’ defense against intrama...

objective: turmeric (curcuma longa linn) is a medicinal plant that contains curcumin. there is a growing interest in using curcumin powder (cp) as feed additives for antioxidative and antimicrobial properties to improve human health. this study was conducted to determine the appropriate levels of cp on blood parameters, immunity, and histology of jejunum in hens. materials and methods: a total ...

background and aims: rubella is predominantly a childhood disease that is endemic throughout the world and when rubella outbreaks occur, they are accompanied by birth defects following congenital rubella syndrome. immunity to rubella virus as a teratogenic agent has an important role for prevention of these serious congenital defects. lymphocyte proliferation assay is a way for investigation of...