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A Review on Microbial Decaffeination
Hui-Shi Wu,Xin-Qiang Zheng,Yue-Rong Liang,Jian-Hui Ye,Jian-Liang Lu 한국차학회 2015 한국차학회지 Vol.- No.S
Exclusive exposure of caffeine might bring some adverse effects to human health, and cause some risks to environment. Microbial decaffeination might be a new alternative approach because of its high specificity and efficiency. Many studies revealed that several microorganisms can degrade caffeine, including genera Alcaligenes,Rhodococcus, Klebsiella, Acinetobacter, Enterobacter, Stenotrophomonas and Pseudomonas. Biodegradation of caffeine can be significantly influenced by temperature, pH, aeration rate and initial caffeine concentration of the incubation. There are two main pathways of caffeine biodegradation: C-8 oxidation and N-demethylation, while N-demethylation is the general catabolism pathway in bacteria. Application of microbial decaffeination has also been discussed in this review.
Hui Ji,Hui Wang,Qiumei Ji,Winbo Ji,Xiaolin Luo,Jiabo Wang,Zhixin Chai,Jinwei Xin,Xin Cai,Zhijuan Wu,Jikun Wang,Jincheng Zhong 한국유전학회 2020 Genes & Genomics Vol.42 No.11
Background miRNAs play an important role in regulating normal animal development. Muscle tissue and fat metabolismare important for maintaining energy balance in animals. Yak has important agricultural and economic importance as itprovides milk, meat, and hair. It is used for transportation as well. However, the miRNA expression profiles of their muscleand adipose tissue are currently unknown. Objective To explore the regulatory roles of miRNAs in the skeletal muscle and adipose tissues of yak. Methods A total of 12 small RNA libraries were constructed from the skeletal muscle and adipose samples from yak aged 0.5,2.5, 4.5, and 7.5 years. High-throughput sequencing and bioinformatics analysis were used to determine the dynamic expressionprofile of miRNA, and a miRNA regulatory network related to muscle and adipose tissue development was established. Results miR-1-3p and miR-143-3p showed the highest expression during yak skeletal muscle and fat development, respectively. The MAPK and Ras signaling pathways were the pivotal pathways. miR-181-5p, miR-542-3p, and miR-424-5p mayhave key roles in skeletal muscle development, and CREBRF, GRB10, CDK1, RFX3, and EPC2 were the core target genes. While miR-127-5p, miR-379-3p, and miR-494-3p may play important regulatory roles in adipose deposition, and ETV1,XPO7, and C5AR2 were the core target genes. Conclusion This study provides valuable resources for further study of the molecular mechanisms underlying yak skeletalmuscle and adipose tissue development, and also a basis for studying the interactions between genes and miRNAs.
Hui Sun,Qing Chang,Ya-Shu Liu,Yu-Ting Jiang,Ting-Ting Gong,Xiao-Xin Ma,Yu-Hong Zhao,Qi-Jun Wu 대한암학회 2021 Cancer Research and Treatment Vol.53 No.1
Purpose The evidence of adherence to cancer prevention guidelines and endometrial cancer (EC) risk has been limited and controversial. This study summarizes and quantifies the relationship between adherence to cancer prevention guidelines and EC risk. Materials and Methods The online databases PubMed, Web of Science, and EMBASE were searched for relevant publications up to June 2, 2020. This study had been registered at PROSPERO. The registration number is CRD42020149966. Study quality evaluation was performed based on the Newcastle-Ottawa Scale. The I2 statistic was used to estimate heterogeneity among studies. Egger’s and Begg’s tests assessed potential publication bias. Summary hazard ratios (HRs) and 95% confi dence intervals (CIs) for the relationship between adherence to cancer prevention guidelines score was assigned to participants by summarizing individual scores for each lifestyle-related factor. The scores ranged from least healthy (0) to most healthy (20) and the EC risk was calculated using a random-effects model. Results Five prospective studies (four cohort studies and one case‑cohort study) consisted of 4,470 EC cases, where 597,047 participants were included. Four studies had a low bias risk and one study had a high bias risk. Summary EC HR for the highest vs. lowest score of adherence to cancer prevention guidelines was 0.54 (95% CI, 0.40 to 0.73) and had a high heterogeneity (I2=86.1%). For the dose-response analysis, an increment of 1 significantly reduced the risk of EC by 6%. No signifi cant publication bias was detected. Conclusion This study suggested that adherence to cancer prevention guidelines was negatively related to EC risk.
Correlations Between Fasciology and Yin Yang Doctrine
Hui Tao,Mei-chun Yu,Hui-ying Yang,Rong-mei Qu,Chun Yang,Xin Zhou,Yu Bai,Jing-peng Wu,Jun Wang,Ou Sha,Lin Yuan 사단법인약침학회 2011 Journal of Acupuncture & Meridian Studies Vol.4 No.2
The aim of this study is to explore the correlations between fasciology and yin yang doctrine. Professor Yuan developed fasciology by three-dimensional reconstruction of connective tissue (fascia) in the trunk and limbs of the human body and tracing back to tissue origins in light of biological evolution and developmental biology. Fasciology states that the human body can be divided into two systems: the supporting-storing system and the functional system. This article elaborates on the roles of the two systems and their mutual relationship. The two systems are used to analyze the yin,the yang, and their relationship. The two systems are promoted but also restricted in different contexts. The supporting-storing system is formed by undifferentiated connective tissue and provides undifferentiated cells and nutrients for differentiated cells of the functional system. Thus, the supporting-storing system could be classified as quiet, similar to yin. The functional system continuously maintains the various functional activities of the human body. Thus, the functional system could be classified as active, similar to yang. In interpreting the yin yang doctrine from the point of view of fasciology, yin can be compared with the supporting-storing system and yang can be compared with the functional system.
Wu, Kai,Yang, Liu,Li, Cong,Zhu, Chao-Hui,Wang, Xin,Yao, Yi,Jia, Yu-Jie Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.14
Helicobacter pylori (H. pylori) infection induces apoptosis in gastric epithelial cells, and this occurrence may link to gastric carcinogenesis. However, the regulatory mechanism of H. pylori-induced apoptosis is not clear. MicroRNA-146a has been implicated as a key regulator of the immune system. This report describes our discovery of molecular mechanisms of microRNA-146a regulation of apoptosis in human gastric cancer cells. We found that overexpression of microRNA-146a by transfecting microRNA-146a mimics could significantly enhance apoptosis, and this upregulation was triggered by COX-2 inhibition. Furthermore, we found that microRNA-146a density was positively correlated with apoptosis rates in H. pylori-positive gastric cancer tissues and intratumoral microRNA-146a density was negatively correlated with lymph node metastasis among H. pylori-positive gastric cancer patients. Understanding the important roles of microRNA-146a in regulating cell apoptosis in H. pylori infected human gastric cancer cells will contribute to the development of microRNA targeted therapy in the future.
Hui Guo,Xingjie Peng,Yiwei Wu,Xin Jin,Kuaiyuan Feng,Hanyang Gu 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.3
The small modular liquid-metal fast reactor (SMFR) is an important component of advanced nuclearsystems. SMFRs exhibit relatively low breeding capability and constraint space for control rod installation. Consequently, control rods are deeply inserted at beginning and are withdrawn gradually tocompensate for large burnup reactivity loss in a long lifetime. This paper is committed to investigatingthe impact of control rod compensation operation on core neutronics characteristics. This paper presentsa whole core fine depletion model of long lifetime SMFR using OpenMC and the influence of depletionchains is verified. Three control rod position schemes to simulate the compensation process arecompared. The results show that the fine simulation of the control rod compensation process impactssignificantly the fuel burnup distribution and absorber consumption. A control rod equivalent positionscheme proposed in this work is an optimal option in the trade-off between computation time andaccuracy. The control position is crucial for accurate power distribution and void feedback coefficients inSMFRs. The results in this paper also show that the pin level power distribution is important due to theheterogeneous distribution in SMFRs. The fuel burnup distribution at the end of core life impacts theworth of control rods.
Multimodal prerehabilitation for elderly patients with sarcopenia in colorectal surgery
Wu Jingting,Chi Hannah,Kok Shawn,Chua Jason M.W.,Huang Xi-Xiao,Zhang Shipin,Mah Shimin,Foo Li-Xin,Peh Hui-Yee,Lee Hui-Bing,Tay Phoebe,Tong Cherie,Ladlad Jasmine,Tan Cheryl H.M.,Khoo Nathanelle,Aw Dari 대한대장항문학회 2024 Annals of Coloproctolgy Vol.40 No.1
Sarcopenia, which is characterized by progressive and generalized loss of skeletal muscle mass and strength, has been well described to be associated with numerous poor postoperative outcomes, such as increased perioperative mortality, postoperative sepsis, prolonged length of stay, increased cost of care, decreased functional outcome, and poorer oncological outcomes in cancer surgery. Multimodal prehabilitation, as a concept that involves boosting and optimizing the preoperative condition of a patient prior to the upcoming stressors of a surgical procedure, has the purported benefits of reversing the effects of sarcopenia, shortening hospitalization, improving the rate of return to bowel activity, reducing the costs of hospitalization, and improving quality of life. This review aims to present the current literature surrounding the concept of sarcopenia, its implications pertaining to colorectal cancer and surgery, a summary of studied multimodal prehabilitation interventions, and potential future advances in the management of sarcopenia.
miR-27a as an Oncogenic microRNA of Hepatitis B Virus-related Hepatocellular Carcinoma
Wu, Xin-Jun,Li, Yan,Liu, Dong,Zhao, Lun-De,Bai, Bin,Xue, Ming-Hui Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.2
microRNAs (miRNAs) are small non-coding RNAs that regulate gene expression through post-transcriptional interactions with mRNA. miRNAs have recently emerged as key regulators of various cancers. Although miR-27a has been implicated in several other cancers, its role in hepatitis B virus-related hepatocellular carcinoma (HCC) is unknown. In this study, we showed miR-27a to be frequently up-regulated in HCC tissues and HCC cell lines (HepG2 and Huh7). Overexpression of miR-27a enhanced cell proliferation, promoted migration and invasion, and activated cell cycling in HepG2 and Huh7 cells. In summary, our results suggest that up-regulation of miR-27a may play an oncogenic role in the development of HCC and might thus be a new therapeutic target in HCC patients.