Differential Abundance Analysis of Gut Microbiome between Healthy Controls and Colorectal Cancer Patients
محل انتشار: فصلنامه اپیژنتیک، دوره: 5، شماره: 1
سال انتشار: 1403
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 27
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شناسه ملی سند علمی:
JR_JEPUSB-5-1_004
تاریخ نمایه سازی: 9 اردیبهشت 1403
چکیده مقاله:
Colorectal cancer (CRC) is a significant public health burden, accounting for approximately ۱۰% of all new cancer cases worldwide, making it the world’s third most deadly cancer. The causes of CRC are complex and environmental factors play a stronger role than genetic factors. The gut microbiome has been linked to several bowel cancers, such as CRC. The present study aimed to estimate differential abundance analysis of CRC versus HC groups of the colorectal microbiome. Biopsy samples were taken from the normal mucosa of ۱۳ healthy controls (HC) and the tumor of ۱۷ patients with CRC during colonoscopy. The microbiome of tumor tissue and normal mucosa was evaluated by ۱۶S rRNA gene amplicon sequencing. Differential abundance analysis of CRC versus HC groups showed that Enterobacteriaceae, Bacteroides fragilis, Prevotella, Fusobacterium, Leptotrichia, Akkermansia muciniphila, Streptococcus, and Parabacteroides have drastic fold changes (P ≤ ۰.۰۵). A heat map and dendrogram of the ۲۰ ascending operational taxonomic units (OTUs) based on the FDR (False Discovery Rate) p-value were constructed to visualize the similarity between CRC and HC samples. The significant difference in the differential abundance of bacteria taxa in CRC versus HC groups indicates that these bacteria can be important pathogens in the development and progression of CRC.
کلیدواژه ها:
نویسندگان
Hosseinali Abdi
Ph.D. in Molecular Genenetics, Department of Biology, University of Sistan and Baluchestan, Zahedan, Iran.
Dor Mohamad Kordi Tamandani
Professor, Department of Biology, University of Sistan and Baluchestan, Zahedan, Iran.
Milad Lagzian
Assistant Professor, Department of Biology, University of Sistan and Baluchestan, Zahedan,
Alireza Bakhshipour
Infectious Diseases and Tropical Medicine Research Center, Resistant Tuberculosis Institute, Zahedan University of Medical Sciences, Zahedan, Iran