Fecal Microbiota Signatures of Colorectal Cancer in Vietnamese Patients
Author Information
Author(s): Nhung Pham Thi Tuyet, Le Hang Thi Thu, Nguyen Quang Huy, Huyen Dao Thi, Quyen Dong Van, Song Le Huu, Van Thuan Tran, Tran Tam Thi Thanh
Primary Institution: Hanoi Medical University
Hypothesis
The study aims to identify fecal microbiota signatures associated with colorectal cancer (CRC) in a Vietnamese cohort.
Conclusion
The study confirms alterations in gut microbiota composition in CRC patients and identifies specific microbial taxa that may play roles in CRC.
Supporting Evidence
- Significant differences in fecal microbiota composition were found between CRC patients and healthy controls.
- Specific microbial signatures associated with CRC were identified, including increased levels of Parvimonas micra and Peptostreptococcus stomatis.
- Health-associated species like Lactobacillus johnsonii were significantly depleted in CRC patients.
Takeaway
Doctors studied poop samples from people with and without cancer to find out which tiny bugs in our tummies might be linked to cancer.
Methodology
The study involved collecting fecal samples and clinical data from 43 CRC patients and 44 healthy controls, followed by DNA extraction and 16S rRNA gene amplicon sequencing.
Potential Biases
The age of the healthy control group was lower than that of the CRC group, which could introduce bias.
Limitations
The study's sample size is modest and may not represent all geographical regions of Vietnam, and it does not investigate the functional capacity of the gut microbiota.
Participant Demographics
Participants included 43 CRC patients and 44 healthy controls, aged 50-79 years, with a mean age of 64 for CRC patients and 61 for controls.
Statistical Information
P-Value
<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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