نتایج جستجو برای: virus genome
تعداد نتایج: 603070 فیلتر نتایج به سال:
Introduction & Objective: Rubella is a disease caused by the rubella virus and is usually mild and self-limiting. Infection of a developing fetus is serious and important because the child may be born with congenital rubella syndrome. Its symptoms include mental retardation, heart defects, cataract, etc. In 2003, mass vaccination against measles and rubella in individuals 5-25 years old was d...
background and aims: crimean-congo hemorrhagic fever (cchf) is a fatal viral disease that occurs in approximately 30 countries. it has the most extensive geographic range among the tick-borne viruses that affect human health. cchf viruses have a tripartite rna genome consisting of large (l), medium (m) and small (s) segments. this study was undertaken to determine the genetic relationship of cc...
Abstract Background and objectives: Breast cancer is the most prevalent one in women. Some of the common causative factors are genetic background, nutritional and environmental factors. Viruses are believed as a risk factor in this cancer, too. Recent studies reported that Human Papillomaviruses can be one of the possible risk factors of breast cancer. This study focused on investigation of the...
Background and Aims: Borna disease virus (BDV) is well known as a neurotropic virus, however, its role in human neurological diseases such as schizophrenia and bipolar disorder is still unclear. In this study, we aimed to investigate the BDV genome in such patients in Golestan province, North of Iran. Materials and Methods: RNA was extracted from peripheral blood mononuclear cells (PBMCs) from...
Background and aims: The end of 2019 has marked the year, which the human population encountered a novel virus; SARS-CoV-2 that causes a disease namely COVID-19. Here we focused on the genome and protein mutations and subsequently suggested a new classification of the SARS-CoV-2. Materials and Methods: Our study showed that some extra positions in the virus genome play a key role in the SARS-C...
Introduction: Hepatitis G virus is an RNA virus related to Flaviviridae family that its genome was identified in the patients with non A-E hepatitis at the end of the last century. The present study aimed to investigate the survey of the prevalence of hepatitis G in blood donors and its relation to age and gender Methods: In this descriptive cross-sectional study, sampling was performed on 263...
Background and Aim: Some viruses (including herpes viruses) due to neurotropic properties and latency are considered as a possible factor in many central nervous system disorders, including schizophrenia and bipolar disorder. The aim of the current study was to assess the level of IgG antibodies against Herpes Simplex virus (HSV) and Epstein-Barr virus (EBV) in these diseases. Ma...
objective: despite availability of an effective vaccine against hepatitis b virus (hbv), the global prevalence of this virus infection has not diminished significantly. contrary to numerous other human viruses, hbv does not have the ability to propagate in cell culture. however, infectious virus has been produced by transfection of human hepatoma cells with plasmids that contain full length hbv...
The rate of cervical cancer in Asians is deferent, based on the risk factors affecting and the rate of papiloma virus infection among females. Cervical cancer is one of the important cancers between Iranian women. In the present study the rate of cervical neoplasia was detected in Isfahan and some risk factors affecting the incidence of cervical cancer was analyzed. The human papiloma virus inf...
The Varicella-Zoster Virus (VZV) genome contains both cis-acting and trans-acting elements, which are important in viral DNA replication. The cis-acting elements consist of two copies of oriS, and the trans-acting elements are those genes whose products are required for virus DNA replication. It has been shown that each of the seven genes required for ori-dependent DNA synthesis of Herpes Simpl...
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