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کاربرد نوع شرط:
- جایگاه : پژوهشی
- مجله: International Journal of Molecular and Clinical Microbiology
- نوع مقاله: Journal Article
- کلمات کلیدی: Iran,PCR,Helicobacter pylori,Colorectal cancer,gastrointestinal diseases
- چکیده:
- چکیده انگلیسی: Colorectal cancer (CRC) has defined as the uncontrolled growth of cells in the colon or rectum. The human colon contains the greatest number of microbes Therefore, microbes may play an important role in the development of colorectal cancer. Recent studies have shown an association between the microbial infection and the risk of colorectal cancer. However, the results of these studies are controversial. The nobility of the present study was to assess the prevalence of Helicobacter pylori infection in the colorectal cancer in Iran. The biopsy were done and the samples were obtained from patients suspected with colorectal cancer, from 2015 to 2017.Secondary, DNA of Helicobacter pylori was extracted by Commercial kit. PCR was performed for Helicobacter pylori glmM gene eventually, the data was analysed. A total of 86 patients in which 68 of them confirmed with CRC and 17 patients considered as controls. Of 68 biopsy specimens and control group, all of them were negative for Helicobacter pylori. It was ultimately attained that in colorectal cancer, there was no presence of Helicobacter pylori.
- انتشار مقاله: 18-06-1397
- نویسندگان: Parisa Abedi Elkhichi,Hossein Dabiri,Ehsan Nazemalhosseini Mojarad,Sama Rezasoltani,HAMID Asadzadeh Aghdaei,Ramin Pouriran,Mohammad Javad Nasiri
- مشاهده
- جایگاه : پژوهشی
- مجله: Asian Pacific Journal of Cancer Prevention
- نوع مقاله: Journal Article
- کلمات کلیدی: Colorectal Polyp, mRNA expression,TLR9
- چکیده:
- چکیده انگلیسی: Toll-like receptor 9 (TLR9) is a cellular DNA receptor of the innate immune system which plays a pivotal role in
inflammatory response. Recently, changing expression levels of TLR9 has been observed in a wide range of cancer
cells; however, there is little information about colorectal polyps. Herein, we assessed the mRNA expression of TLR9
in different colorectal polyp types compared to normal group in order to investigate its expression level during CRC
initiation. Fifty-four biopsy samples from colorectal polyp patients and from 20 healthy subjects were collected. The
mucosal mRNA expression level of TLR9 gene was identified by real time PCR. Fold change of gene expression was
evaluated by 2-ΔΔct method. There was a significant relationship between the lower expression of TLR9 gene in the polyp
cases compared to normal individuals (P value = 0.0005), Also, decreased TLR9 mRNA expression was obtained in
adenomas in contrast to hyperplastic and normal groups (P value = 0.0008). Based on the current results, we hypothesized that aberrant surface expression of TLR9 on tumor cells may promote the growth and invasion of colorectal polyps. Further, TLR9 modulation may have an important impact on the development of novel therapeutic strategies.- انتشار مقاله: 12-08-1397
- نویسندگان: Sama Rezasoltani,Shirin Khatibi,Zahra Pezeshkiyan,Ehsan Nazemalhosseini-Mojarad,Maryam Sharafkhah,Amir Sadeghi,Hamid Asadzadeh Aghdaei,Mohammad Reza Zali
- مشاهده