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Updated: Sep 13, 2025

Investigating the Alleviating Effects of Bacillus cereus Administration on Colitis through Gut Microbiota Modulation
Published on: July 27, 2022
Targeting probiotic modulation of gut microbiota for postoperative depression management in patients undergoing
Yao Peng1,2, Man-Ying Xie3, Ling Gan1,2
1Department of Ultrasound Imaging, Postgraduate Union Training Base of Xiangyang No. 1 People's Hospital, Xiangyang 441000, Hubei Province, China.
Abstract:
Postoperative depression is a prevalent yet often overlooked complication following radical surgery for gastric cancer that significantly affects patient recovery and quality of life. Emerging evidence suggests that the gut microbiota has a crucial role in the gut-brain axis, influencing mood regulation and psychological resilience. In the study by Lu et al, Bifidobacterium triple viable bacteria combined with mirtazapine demonstrated marked efficacy: The observation group showed a 32% reduction in Self-Rating Depression Scale depression scores, significantly outperforming the control group. Neuroendocrine improvements included a 89% increase in dopamine and a 43% reduction in cortisol. Gut microbiota modulation was evident with Bifidobacterium colony counts rising by 22%, while Escherichia coli decreased by 28%. Quality of life scores improved by 39%, underscoring the therapy's holistic benefits. These findings validate the synergistic potential of microbiota-targeted probiotics and psychotropic drugs. Early screening, multidisciplinary care, and personalized strategies integrating psychological support, dietary optimization, and lifestyle modifications are essential to enhance recovery and redefine postoperative management in gastric cancer patients.
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