background and objectives: breast cancer is the most common malignancy in women throughout the world. there are controversial reports on the role of human papillomavirus (hpv) infection in breast carcinogenesis. the aim of this study was to assess the presence of hpv-dna in invasive breast carcinoma to determine the association between hpv infection and breast carcinoma. methods: the study incl...

results human papillomavirus was found in 62.1% of the samples obtained from the patients. among the hr and lr types, hpv-6 was the major genotype 64.8%. type 16 and 18 were the most frequent hr-hpv types (presented in 26% of the patient), followed by type 50s (24.7%), 45, 30s, and 11 (1.8% from each). multiple hpv infections were presented in 40.7% of the positive genotyping specimens. backgro...

background and objectives: some of the human papillomaviruses (hpvs) can infect genital tracts and are sometimes associated with anogenital tract cancers. hpvs induced cervical cancers through the expression of e6 and e7 genes by inactivating the tumor suppressor proteins. in this study, e6 and e7 genes were chosen in order to construct an expression vector which is able to express target prote...

Background: Gastrointestinal (GI) malignancies are the most common cancers and account for nearly half of all cancer-related deaths in Iran. There was a strong association between human papillomavirus (HPV) infection and urogenital cancers, in particular the cervix. However, there is no clear causal relationship in all types of cancers, including gastrointestinal cancers. Therefore, the present...

conclusions human papillomavirus 16 as a high risk hpv was found to have the highest frequency among patients with anogenital warts. results out of 54 samples, 46 (85.18%) cases showed positive results for hpv dna. a total of 26 (56.6%) samples were males and 20 (43.4%) females while eight (14.81%) showed hpv negative results. overall, 37 (80%) patients had multiple sexual partners, and nine (2...

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...