prevalence of human papillomavirus in mazandaran province, islamic republic of iran. | we report the prevalence of human papillomavirus (hpv) types in 100 cervical biopsy specimens in mazandaran province. hpv dna was detected in 78.6% of cervical carcinoma cases, 64.3% of dys/ metaplasia and 9% of normal cases. significant correlation was found between the presence of hpv dna and development of cervical carcinoma. hpv types 16 and 18 were detected in 60.6% of hpv-positive cervical carcinoma cases, whereas hpv31 and 33 were found in 21.2%, and hpv6 and 11 in 18.2%. among hpv-positi ... | 2002 | 15568458 |
relationship between lung cancer and human papillomavirus in north of iran, mazandaran province. | lung cancer is a major health problem and the leading cause of cancer deaths in the world. the pathogenesis of lung cancer is complex, and is believed to be due to the interaction between environmental and genetic factors. various evidences show that hpv might be involved in bronchial carcinogenesis. in this study, 141 lung cancer patients and 92 non-cancer control subjects were enrolled to examine whether hpv dna existed in lung tumor and normal tissues in mazandaran, north part of iran by nest ... | 2007 | 16814459 |
an increased lung cancer risk associated with codon 72 polymorphism in the tp53 gene and human papillomavirus infection in mazandaran province, iran. | the tp53 gene has a polymorphism in exon 4 at codon 72 that presents the arginine or proline genotype. the association of tp53 codon 72 polymorphism with lung cancer risk has been studied by several groups, although with inconsistent results. our previous study showed that the human papillomavirus (hpv) infection is associated with the development of lung cancer in mazandaran, north part of iran (cases=25.6% versus controls=9.0%, p=0.002). the frequency of tp53 codon 72 polymorphism was studied ... | 2007 | 17208332 |
high-risk and low-risk human papillomavirus in esophageal squamous cell carcinoma at mazandaran, northern iran. | cancers are the second most common cause of non-accidental deaths in iran, following cardiovascular deaths. mazandaran, near the caspian littoral at north of iran have identified as a several-high incidence area for esophageal squamous cell carcinoma (escc) in the world. several associated risk factors, such as dietary and cultural habits, infectious agents, nutritional deficiencies, too much use of tobacco and alcohol and infection to certain dna tumor viruses (hpvs), including environmental an ... | 2013 | 23250733 |
evaluation of human papilloma virus infection in patients with esophageal squamous cell carcinoma from the caspian sea area, north of iran. | hpv has been found repeatedly in esophageal squamous cell carcinoma (escc) tissues. however, reported detection rates of hpv dna in these tumors have varied markedly. differences in detection methods, sample types, and geographic regions of sample origin have been suggested as potential causes of variation. we have reported that infection of hpv dna in escc tumors depends on anatomical sites of esophagus of the patients from mazandaran, north of iran. | 2012 | 22799315 |