year 18, Issue 2 (March - April 2024)                   Iran J Med Microbiol 2024, 18(2): 5-5 | Back to browse issues page

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Shahbazi T, Bakhshi B, Rasekhi A, Fazeli M S, Fallah F. Title: Significant Presence of Clostridioides difficile in Colorectal Cancer Patients by TaqMan Real-Time PCR. Iran J Med Microbiol 2024; 18 (2) :5-5
URL: http://ijmm.ir/article-1-2351-en.html
1- Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
2- Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran , bakhshi52@yahoo.com
3- Division of Colon and Rectal Surgery, Department of Surgery, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran
4- Tropical Infections Diseases Research Center, Department of Microbiology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Abstract:   (145 Views)

Background and Objectives: This study aimed to analyze the potential contribution of Clostridioides difficile (C. difficile) to colorectal cancer (CRC) by comparing its presence in CRC patients and healthy individuals.
Methods: This study was conducted on 25 CRC patients referring to the colorectal department of a major hospital in Tehran from June 2011 to May 2012. CRC patients confirmed by colonoscopy and pathological examination underwent a cancer staging process according to the TNM staging system provided by the American Joint Committee on Cancer. Also, 25 healthy individuals serving as the control group were included. DNA was extracted from 500 mg of stool sample of each patient and healthy volunteer. TaqMan real-time PCR was performed on DNA samples to detect C. difficile DNA using specific primers and probe targeting the 16s rRNA gene. The mean of triplicate reactions were considered as the final Ct values.
Results: All patients were in stage III, and tumor location was recorded in the colon for all patients. In the CRC group, 20 individuals exhibited the presence of C. difficile, while in the control group, only 5 out of 25 people tested positive for this bacterium, and this difference was statistically significant (p< .001).
Conclusion: This study demonstrated a higher incidence of C. difficile in CRC patients compared to healthy individuals, suggesting that the presence of C. difficile may play a significant role in the progression of CRC. Early identification and management of CDI are crucial and challenging aspects of CRC patient care.

     
Type of Study: Original Research Article | Subject: Medical Bacteriology
Received: 2024/03/3 | Accepted: 2024/05/16 | ePublished: 2024/05/25

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