introduction: macroprolactin is a significant cause of misdiagnosis, unnecessary investigation, and inappropriate treatment in patients with hyperprolactinemia. its frequency has not been clearly established due to technical difficulties in identifying it. most laboratories and clinicians are unaware of macroprolactin interferences in prolactin assays. materials and methods: a comprehensive lit...

background: anti-sperm antibody (asa) can decrease sperm motility and, therefore, it is a cause of male infertility. the aim of this study was to evaluate the effects of varicocelectomy on anti-sperm antibody in patients with varicocele. methods: this observational study was conducted on 90 patients with varicocele at sina and imam khomeini hospitals during 2006 to 2009. all varicocelectomy can...

recurrent ear, nose, and throat (ent) infections are common presenting symptoms in patients with primary antibody deficiencies , but sometimes they remain undiagnosed for many years and are subjected to different antibiotics because of a lack of experience in immunodeficiencies. in order to determin the frequency of ent symptoms among the patients with antibody deficiencies, 83 antibody deficie...

cytomegaloviurs (cmv) is the most frequent cause of congenital infection in humans. in various parts of the world the prevalence of antibodies to cmv ranges from 40-100%. the prevalence of primary infection with cmv in pregnant iranian women and risk of congenital cmv infection in their neonates are unknown. to determine the prevalence of cmv infection in primiparous pregnant (youner) women and...

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objective: rubella is a viral disease with minor morbidity, unless it is contracted by a pregnant woman in early pregnancy that leads to congenitalrubella syndromes. rubella occurrence during the first trimester leads to fetal death or severe congenital defects.present study was conducted to survey the protection level against rubella in the pregnant women of gilan in iran,to be used for the va...

background: primary antibody deficiency, the most common primary immunodeficiency disorder, represents a heterogeneous spectrum of conditions caused by a defect in any critical stage of b cell development and is characterized by impaired production of normal amounts of antigen-specific antibodies. objective: this retrospective study aimed at description and analysis of demographic, clinical, im...

Antibodies are essential tools of biomedical and biochemical researches. Polyclonal antibodies are produced against different epitopes of antigens. Purified F(ab')2 can be used for animal’s immunization to produce polyclonal antibodies. Human immunoglobulin G (IgG) was purified by ion exchange chromatography method. In all stages verification method of the purified antibodies was sod...

Abstract Background There is a decrease in vaccine-specific antibody to certain vaccine-preventable diseases in children after chemotherapy, but the frequency of non-immune patients is not clear. In the present case-control study, was taken under investigation protection level to Hepatitis B infection in children 6 months after completing chemotherapy. Materials and Methods In this study 6...