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Research progress and treatment of radiation enteritis and gut microbiota
Huiwen Ren(Huiwen Ren),Qi Wu(Qi Wu),Zhiqiang Sun(Zhiqiang Sun),Mingming Fang(Mingming Fang),Jun Liu(Jun Liu),Judong Luo(Judong Luo) 대한방사선종양학회 2023 Radiation Oncology Journal Vol.41 No.2
Radiation enteritis is a kind of intestinal radiation injury in patients with pelvic and retroperitoneal malignancies after radiotherapy, and its occurrence and development process are very complicated. At present, studies have confirmed that intestinal microecological imbalance is an important factor in the formation of this disease. Abdominal radiation causes changes in the composition of the flora and a decrease in its diversity, which is mainly manifested by a decrease in beneficial bacterial species such as Lactobacilli and Bifidobacteria. Intestinal dysbacteriosis aggravates radiation enteritis, weakens the function of the intestinal epithelial barrier, and promotes the expression of inflammatory factors, thereby aggravating the occurrence of enteritis. Given the role of the microbiome in radiation enteritis, we suggest that the gut microbiota may be a potential biomarker for the disease. Treatment methods such as probiotics, antibiotics, and fecal microbiota transplantation are ways to correct the microbiota and may be an effective way to prevent and treat radiation enteritis. Based on a review of the relevant literature, this paper reviews the mechanism and treatment of intestinal microbes in radiation enteritis.
Chinese Enterprises’ Investment in Infrastructure Construction in Cambodia
( Fang Hu ),( Xiekui Zhang ),( Mingming Hu ),( David Lee Cook ) 경남대학교 극동문제연구소 2019 ASIAN PERSPECTIVE Vol.43 No.1
One of the important means of promoting connectivity and cooperation between China and Cambodia is Chinese enterprises’ investment in Cambodian infrastructure construction. The Belt and Road Initiative proposed by China brings both opportunities and challenges for Cambodia’s economic development. Through an analysis of detailed case studies, in this article we review the background on Chinese infrastructure investment in Cambodia and identify factors in the approach to investment by Chinese enterprises in the Cambodian context that appear to underlie these challenges and suggest opportunities for improvements.
Qi Bingchao,Song Liqiang,Hu Lang,Guo Dong,Ren Gaotong,Peng Tingwei,Liu Mingchuan,Fang Yexian,Li Chunyu,Zhang Mingming,Li Yan 생화학분자생물학회 2022 Experimental and molecular medicine Vol.54 No.-
Myocardial infarction (MI) is the leading cause of premature death among adults. Cardiomyocyte death and dysfunction of the remaining viable cardiomyocytes are the main pathological factors of heart failure after MI. Mitochondrial complexes are emerging as critical mediators for the regulation of cardiomyocyte function. However, the precise roles of mitochondrial complex subunits in heart failure after MI remain unclear. Here, we show that NADH:ubiquinone oxidoreductase core subunit S1 (Ndufs1) expression is decreased in the hearts of heart failure patients and mice with myocardial infarction. Furthermore, we found that cardiac-specific Ndufs1 overexpression alleviates cardiac dysfunction and myocardial fibrosis in the healing phase of MI. Our results demonstrated that Ndufs1 overexpression alleviates MI/hypoxia-induced ROS production and ROS-related apoptosis. Moreover, upregulation of Ndufs1 expression improved the reduced activity of complex I and impaired mitochondrial respiratory function caused by MI/hypoxia. Given that mitochondrial function and cardiomyocyte apoptosis are closely related to heart failure after MI, the results of this study suggest that targeting Ndufs1 may be a potential therapeutic strategy to improve cardiac function in patients with heart failure.