نتایج جستجو برای: papillomavirus
تعداد نتایج: 22128 فیلتر نتایج به سال:
Cervical cancer remains the fourth most common cause of cancer-related deaths in women worldwide, and human papillomavirus infection represents the most important risk factor for the development of cervical cancer. Minichromosome maintenance protein-2 has been previously identified by DNA microarray and transcriptional profiling as genes that is overexpressed in cervical carcinomas. 183 cases w...
background: in 1970, human papillomavirus (hpv) was introduced as the main etiologic factor of cervical carcinoma. since there is no possibility of detecting the virus and its subtypes using serological methods and cell culture, the molecular methods such as pcr have particular importance in accurate, early and definite diagnosis of the virus. so, in this research, our goal is to use a propriet...
A peptide derived from the human papillomavirus L2 protein is recognized by a myelin basic protein (MBP)-specific T cell clone from a multiple sclerosis patient and by MBP-specific autoantibodies purified from multiple sclerosis brain tissue. We now show in mice that low doses of this papillomavirus peptide were optimal in selecting a subpopulation of papillomavirus peptide-specific T cells tha...
It has been shown that the E7 protein of the high-risk HPV-16 transforms cells in vitro and binds pRB, p107 and p130, so called pocket proteins associated in cells with DREAM proteins, while that of the low-risk HPV-6 does not transform cells and binds p130 but not pRB or p107. These facts may indicate that p130 is essential for the HPV life cycle. To gain further insight into the relationship ...
background cervical cancer is the leading cause of death from cancer in under-developed countries. human papilloma virus (hpv) 16 and 18 are the most prevalent types associated with carcinogenesis in the cervix. conventional polymerase chain reaction (pcr), type-specific and consensus primer-based pcr followed by sequencing, restriction fragment length polymorphism (rflp) or hybridization by sp...
human papillomavirus (hpv) has also been suggested as an etiology of esophageal squamous cell carcinoma (scc). the aim of this study was to investigate the prevalence of hpv infection in esophageal sccs in our region with strict contamination control to prevent false positive results. thirty cases of esophageal squamous cell carcinomas were chosen by simple random selection in a period of two y...
few studies have been conducted on the causative factors associated with the development of cancer. infection by high risk human papillomaviruses (hpvs) have been implicated as causative agents in a variety of cancers. hpv is capable of evading immune system and establishing persistent infections. prolonged infection and lesion maintenance are associated with higher risk of neoplastic progressi...
conclusions the results showed remarkable rates of high-risk hpv types (16 and 18) in the studied population, which can be a serious alert for public health. this result highlights the potential impact of prophylactic vaccines for future protection against high-risk hpv types in iranian women. materials and methods this cross-sectional population-based study consisted of two groups of women: no...
background: breast cancer is the malignancy in humans and other mammals. several risk factors are involved in their appearance such as higher hormone levels and obesity. identification of a mouse mammary tumor virus supports a viral etiology for breast tumors in animals. viruses have been implicated in the development of various cancers, but viral induction for formation breast cancer is contro...
background and objective: human papillomavirus (hpv) is one of the possible etiologic factors in development of esophageal squamous cell carcinoma (escc). in this study we aimed to study the role of hpv in escc. patients and methods:in this study, 140 cases of escc were analyzed for the hpv dna by polymerase chain reaction (pcr) using gp5+/gp6+ primers for l1 open reading frame (orf) to am...
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