نتایج جستجو برای: تیتر hbsab
تعداد نتایج: 1670 فیلتر نتایج به سال:
BACKGROUND HBV is second to tobacco as a known human carcinogen and the 10th leading cause of death worldwide. OBJECTIVES To examine the socio-demographic characteristics of health care workers and hepatitis B virus in Public Teaching Hospitals in Khartoum State, Sudan, in 2004. METHODS It was an observational, cross sectional, facility-based study. A total of 843 subjects were selected. It...
INTRODUCTION Previous studies have indicated that the patients with psychiatric illness were at higher risk of hepatitis B virus (HBV) infection. However, the efficacy of hepatitis B vaccine in schizophrenia patients remains unclear. METHODOLOGY Between June 2014 and January 2015, 415 schizophrenia patients and 3,038 controls who had been routinely immunized as infants were recruited in the p...
In this study, we investigated the roles of T follicular helper (TFH) cells and related molecules in the pathogenesis of chronic hepatitis B virus (HBV) infection. The levels of circulating TFH cells and their surface CD40 ligand (CD40L), as well as CD19(+) B cells and their surface CD40 expression were detected by flow cytometry. Peripheral blood plasma interleukin (IL)-21 levels were detected...
This study aimed to investigate the virological status in liver (both tumor and adjacent non-tumor tissue), the clinical features and the contribution of occult HBV infection (OBI) to postoperative prognosis in HBeAg-negative(-) hepatocellular carcinoma (HCC) patients in China. Using quantitative TaqMan fluorescent real-time PCR assays, HBV covalently closed circular DNA (cccDNA) and total DNA ...
BACKGROUND Conventional hepatitis B virus (HBV) vaccination fails to achieve efficient protection in about 5-10% of the world population. Hence, different strategies have been adopted to ameliorate HBV antibody titers. This study aimed to evaluate the concurrent application of tetanus-diphtheria (Td) and HBV vaccination on hepatitis B surface (HBs) antibody titer in low-responder healthy indivi...
The hepatitis B prevalence rate in adults is still at a high to intermediate level in China. Our purpose was to explore the incidence rate and protective immune barrier against hepatitis B in adults in China. A sample of 317961 participants was multi-screened for hepatitis B surface antigens (HBsAg) in a large-scale cohort of the National Hepatitis B Demonstration Project. A total of 5401 perso...
The prevalence ofmarkers ofhepatitis B virus infection shows considerable geographic variation, often bein8 high in tropical areas where the standard of living is low. While the high prevalence in the far east is maintained by vertical transmission from mother to baby in the perinatal period,' in Africa infection is usually transmitted horizontally during infancy.2 In the West Indies the preval...
BACKGROUND Patients with HIV infection are at risk of co-infection with HBV, as the routes of transmission are shared and thus immunization with HBV vaccine could be protective in them. The aim of the present study was to assess the efficacy of recombinant vaccine in treatment-naive HIV positive patients and healthy controls, and to dissect out differences if any, in different limbs of immune r...
مقدمه: در ایران واکسیناسیون بر ضد بیماری سرخک به صورت واکسن واحد سرخک در 9 ماهگی و یادآور در 15 ماهگی انجام می شد. مطالعات سرولواپیدمیولوژیک متعدد انجام شده در افراد واکسینه نشانگر ناکارایی واکسن و نیاز به بازنگری در پروتکل واکسیناسیون کشوری را نشان می داد. در ایران، در سال 1382 واکسن توأم سرخجه و سرخک به 95 درصد افراد بین 25-2 سال تلقیح شد؛ این مطالعه به بررسی تأثیر این واکسیناسیون پرداخت. روش...
این آزمایش به منظور بررسی اثرات گیاه کنگرفرنگی (cynara scoolymus l.)، بر عملکرد و عیار آنتی بادی علیه نیوکاسل جوجه های گوشتی انجام شد. تعداد 300 قطعه جوجه یک روزه از سویه راس 308 در قالب طرح کاملاً تصادفی برای مدت 42 روز بر روی بستر پرورش یافتند. یک جیره پایه برای هر یک از دوره های آغازین (صفر تا 21 روزگی) و پایانی (21 تا 42 روزگی) با مقادیر 5/1% و 3% پودر کنگرفرنگی و 300 میلی گرم ویتامین e در ه...
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