Samia Alaoui Boukhris, Mounia El Khadir, Safae Karim, Tiatou Souho, Dafr-Allah Benajah, Sidi Adil Ibrahimi, Laila Chbani, Mohamed El Abkari, Bahia Bennani
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Gastric cancer and associated pathogens: is there any association in Moroccan region?
Helicobacter pylori, Epstein-Barr virus and human papillomavirus are three pathogens associated with various human cancers. This study aimed to investigate the role of these pathogens in gastric cancer in Moroccan population. For this, a retrospective study has been conducted on participants attending the gastroenterology department of Hassan II University Hospital of Fez. A total of 279 participants were enrolled. H. pylori, EBV and HPV were detected and genotyped by PCR. In results, a significant association has been established between H. pylori, EBV and gastric cancer. 93.4% and 43.3% of gastric cancer cases are related to H. pylori and EBV respectively (p≤0.01). H. pylori-EBV co-infection is responsible of 31.6% of gastric cancer cases (p<0.01). Correlation between pathogens genotypes and gastric cancer shows 54.6% of GC EBV positives are carrying the 30 bp deletion in LMP1gene, while 16% of gastric cancers cases are carrying high-risk genotypes of HPV (p=0.21). The obtained results highlight the possible role of co-infection in gastric cancer development.
期刊介绍：
Japanese Journal of Infectious Diseases (JJID), an official bimonthly publication of National Institute of Infectious Diseases, Japan, publishes papers dealing with basic research on infectious diseases relevant to humans in the fields of bacteriology, virology, mycology, parasitology, medical entomology, vaccinology, and toxinology. Pathology, immunology, biochemistry, and blood safety related to microbial pathogens are among the fields covered. Sections include: original papers, short communications, epidemiological reports, methods, laboratory and epidemiology communications, letters to the editor, and reviews.
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