Effect of Run Ze Tonic in Mice with Kidney-Yin Deficiency

Shuo Liu,Si-yao Ma,Wen-yi Zhu,Jia Liang,Hong Meng 한국피부과학연구원 2021 아시안뷰티화장품학술지 Vol.19 No.1

목적: 본 연구는 Run Ze Tonic의 신장-음 결핍 마우스의 갑상선 호르몬, 부신 기능, 성 호르몬 및 주기적 뉴클레오티드에 미치는 영향을 관찰하고자 한다. 방법: ICR 마우스를 정상 대조군, 모델 그룹, Run Ze Tonic 고용량 그룹, 중간 용량 그룹 및 저용량 그룹으로 분류하였으며, 매 그룹은 20마리씩 구성하였다. 신장-음 결핍 마우스 모델은 연속 10 일 동안 1 일 1 회 레보 티록신 나트륨을 위내 직접 투여에 의해 확립되었다. 각 그룹의 마우스의 일반특징 및 체중을 관찰하고 장기지수를 측정하였다. 그리고 ELISA 방법으로 테트라 요오 도티 로닌 (T4), 트리 요오 도티 로닌 (T3), 갑상선 호르몬 (TSH), 코르티코 트로 핀 방출 호르몬 (CRH), 부 신피질 자극 호르몬 (ACTH), 코르티 코스 테론 (CORT), 테스토스테론 (T), 에스트라 디올 (E2), 고리 형 아데노신 모노 포스페이트 (cAMP) , 사 이 클릭 구아노 신 모노 포스페이트 (cGMP)를 측정하였다. 결과: Run Ze Tonic 고용량군은 신장-음결핍 마우스의 일반적인 신체 징후를 개선하고, 체중을 증가시키고(p<0.05), TSH 함량을 증가시킨다(p<0.01). 고용량 군에서 T3 및 T4 수치가 유의하게 감소하 였으며(p<0.01), ACTH 수준도 유의하게 감소하였다(p<0.05). 신장 음 결핍 암컷 마우스는 고용량 군에서 성 호르몬 E2 및 E2/T 비 율이 유의하게 감소(p<0.01)하였다. 신장 음이 결핍 된 수컷 마우스의 경우 고용량 군에서 성 호르몬 T함량이 유의하게 증가되었다 (p<0.05). 그리고 고용량 군에서 고리 형 뉴클레오티드 시스템의 cAMP 수치가 감소하였다(p<0.01). 결론: Run Ze Tonic은 내분비 계에서 호르몬 수치 장애, 부신 피질 기능 및 에너지 대사 균형을 조절하여 음양을 키우고 신장을 강화하는 역할을 할 수 있다고 사료된다. Purpose: To observe the effects of Run Ze Tonic on thyroid hormone, adrenal function, sex hormones and cyclic nucleotide of mice with kidney-yin deficiency. Methods: ICR mice were randomly grouped into normal control group, model group, Run Ze Tonic high dose group, the middle dose group and low dose group, male and female in half. The kidney-yin deficiency mice models were established by intragastric administration of levothyroxine sodium before intragastric administration of corresponding drugs once a day for 10 consecutive days. One day after the last administration, the effects were observed by measuring weight. And tetraiodothyronine (T4), triiodothyronine (T3), thyrotropin (TSH), corticotropin releasing hormone (CRH), adrenocorticotropic hormone (ACTH), corticosterone (CORT), testosterone (T), estradiol (E2), cyclic adenosine monophosphate (cAMP), cyclic guanosine monophosphate (cGMP) were tested by ELISA method. Results: Compared with the model group, the body weight, TSH level increased significantly (p <0.01, p<0.05), and T3, T4, ACTH level decreased significantly in high dose group (p <0.01, p <0.05). The E2 level in female decreased significantly in high dose group (p <0.01), the same as the ratio of E2/T (p <0.01). The T level in male increased significantly in high dose group (p <0.01), the same as the ratio of E2/T (p <0.01). And cAMP level decreased in the high dose group(p <0.05). Conclusion: Run Ze Tonic may play the role of nourishing yin and strengthening kidney by adjusting hormone level disorder, adrenal cortex function and balancing energy metabolism in endocrine system.

The Interlaminar Mechanical and Impact Properties of Fibre Metal Laminates Reinforced with Graphene

Fanglin Cong,Shuo Wang,Linlin,Meng Cao,Zehui Jia,Zhiqiang Zhou,Xu Cui 한국섬유공학회 2022 Fibers and polymers Vol.23 No.5

Glass fibre aluminium laminate (Glare) is widely used in various fields because of its excellent performance. However, its properties can be further enhanced by adding nanofillers, such as graphene, to the matrix. Graphene is a costeffectivetoughening agent because of its excellent specific strength, economy and good compatibility. The interlaminarmechanical and dynamic impact properties of Glare were improved by uniformly dispersed graphene (0, 0.2, 0.3, 0.5 and1.0 wt%). The interlaminar mechanical properties (short beam shear and single lap test) of the graphene-modified (0.5 wt%)Glare were increased by 42.24 % and 25.65 %, respectively, compared with the pure epoxy resin matrix. At a graphenecontent of 1.0 wt%, the Charpy impact energy and strength increased by 163.58 % and 126.33 %, respectively, and reachedthe maximum value. The microscopic images and schematic diagrams illustrated the toughening mechanism of graphene,including the enhancement of the aluminium/resin and fibre/resin interfaces and the performance of the resin matrix. Thetoughening of the resin matrix was achieved through the formation of a mechanical linkage between the graphene and thematrix, which indicated that more time and energy would be required to destroy it.

Morphologies and phenotypes in Bacillus subtilis biofilms

Xiaoling Wang,Shuo Meng,Jingshi Han 한국미생물학회 2017 The journal of microbiology Vol.55 No.8

In this study, we explored Bacillus subtilis biofilm growth under various conditions such as the use of substrates with different stiffnesses and nutrient levels using a well-developed optical imaging technique to spatially and temporally track biofilm growth. We also developed a quantitative method to characterize B. subtilis biofilm morphologies under various growth conditions. To determine biofilm rim irregularities, we used the dimensionless P2A ratio, defined as P2/4πA, where P is the perimeter and A is the area of the biofilm. To estimate biofilm thickness from transmission images, we developed a calibration procedure based on Beer- Lambert’s law and cross sectioning. Furthermore, to determine the distributions of different B. subtilis cell phenotypes during biofilm growth, we used a triple-fluorescence-labeled B. subtilis strain that expressed motility, matrix production, and sporulation. Based on this work, we are able to tune biofilm growth by changing its growing environment.

Benzochloroporphyrin Derivative Induced Cytotoxicity and Inhibition of Tumor Recurrence During Photodynamic Therapy for Osteosarcoma

Gong, Hai-Yang,Sun, Meng-Xiong,Hu, Shuo,Tao, Ying-Ying,Gao, Bo,Li, Guo-Dong,Cai, Zheng-Dong,Yao, Jian-Zhong Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.5

Photodynamic therapy (PDT) is a promising cancer treatment modality that uses dye-sensitized photooxidation of biologic matter in target tissue. This study explored effects of the photosensitizer BCPD-17 during PDT for osteosarcoma. LM-8 osteosarcoma cells were treated with BCPD-17 and cell viability after laser irradiation was assessed in vitro with the 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide assay. The effects of BCPD-17 during PDT recurrence were then examined on tumor-bearing mice in vivo. BCPD-17 had dosedependent cytotoxic effects on LM-8 osteosarcoma cells after laser irradiation which also had energy-dependent effects on the cells. The rate of local recurrence was reduced when marginal resection of mice tumors was followed by BCPD-17-mediated PDT. Our results indicated BCPD-17-mediated PDT in combination with marginal resection of tumors is a potentially new effective treatment for osteosarcoma.

Study on Electrical Aging Characteristics of Fiber Sheath Materials in Power Transformer Oil

Lu Sun,Xiaozhou Fan,Shuo Jiang,Bowen Wang,Yun-Peng Liu,Shuguo Gao,Lingming Meng 대한전기학회 2020 Journal of Electrical Engineering & Technology Vol.15 No.5

Gut-derived lipopolysaccharide promotes alcoholic hepatosteatosis and subsequent hepatocellular carcinoma by stimulating neutrophil extracellular traps through toll-like receptor 4

Yang Liu,Xin Zhang,Shuo Chen,Jiazhong Wang,Shuo Yu,Yiming Li,Meng Xu,Harouna Aboubacar,Junhui Li,Tao Shan,Jixin Wang,Gang Cao 대한간학회 2022 Clinical and Molecular Hepatology(대한간학회지) Vol.28 No.3

Background/Aims: Binge drinking leads to many disorders, including alcoholic hepatosteatosis, which is characterized by intrahepatic neutrophil infiltration and increases the risk of hepatocellular carcinoma (HCC). Molecular mechanisms may involve the migration of bacterial metabolites from the gut to the liver and the activation of neutrophil extracellular traps (NETs). Methods: Serum samples from both binge drinking and alcohol-avoiding patients were analyzed. Mouse models of chronic plus binge alcohol-induced hepatosteatosis and HCC models were used. Results: A marker of NETs formation, lipopolysaccharide (LPS), was significantly higher in alcoholic hepatosteatosis and HCC patients and mice than in controls. Intrahepatic inflammation markers and HCC-related cytokines were decreased in mice with reduced NET formation due to neutrophil elastase (NE) deletion, and liver-related symptoms of alcohol were also alleviated in NE knockout mice. Removal of intestinal bacteria with antibiotics led to decreases in markers of NETs formation and inflammatory cytokines upon chronic alcohol consumption, and development of alcoholic hepatosteatosis and HCC was also attenuated. These functions were restored upon supplementation with the bacterial product LPS. When mice lacking toll-like receptor 4 (TLR4) received chronic alcohol feeding, intrahepatic markers of NETs formation decreased, and hepatosteatosis and HCC were alleviated. Conclusions: Formation of NETs following LPS stimulation of TLR4 upon chronic alcohol use leads to increased alcoholic steatosis and subsequent HCC.

The Dynamic Mechanical Properties for Recycled Aggregate Concrete under Tensile-Compressive States

Zhen-Jun He,Zhi-qiang Wang,Meng-jia Ding,Zhen-wei Wang,Xiao-jie Zhang,Lian-shuo Liu 대한토목학회 2020 KSCE Journal of Civil Engineering Vol.24 No.5

The experiments under biaxial tensile-compressive (T-C) complex stress were carried out for two kinds of substitution percentages of recycled coarse aggregate (RCA) on biaxial proportional loading (α = σ1:σ3 =1:0, 0: -1, 0.05: -1, 0.1: -1, 0.25: -1, 0.5: -1, 1: -1 and-1: -1) and four loading deformation rates of 10−5/s, 10−4/s , 10−3/s, and 10−2/s. The research was completed in the static-dynamic true triaxial machine. The experimental phenomena indicate the tensile failure appears in these specimens of recycled aggregate concrete (RAC) under biaxial T-C stress states. The dynamic mechanical behavior for RAC under biaxial T-C loadings was affected by the strain rates, stress ratios and its substitution percentages of RCA. Accompanied by the increase of strain rates, its strength of RAC is improved. As the tensile stress increases, its compressive strength decreases. The T-C strengths for RAC under biaxial T-C states are less than its corresponding uniaxial T-C strengths at a certain identical strain rates, respectively. Considering the effect of loading rates, a new tensile-compressive failure criterion is established under complex stress states.

Study on Electrical Aging Characteristics of Fiber Sheath Materials in Power Transformer Oil

Sun Lu,Fan Xiaozhou,Jiang Shuo,Wang Bowen,Liu Yunpeng,Gao Shuguo,Meng Lingming 대한전기학회 2019 Journal of Electrical Engineering & Technology Vol.14 No.1

Optical fiber has great potential in the development of online monitoring for trans-formers. In this paper, the electrical aging test of fiber sheath material based on a gradual voltage-rising method was performed and the influence of thermal aging on electrical aging was determined. Compared to the oil-paper insulation performance of traditional transformers, it was found that ethylene tetrafluoroethylene(ETFE), polytetrafluoroethylene(PTFE) and Polyamide 12 (PA 12) were better than oil-paper. Statistical analysis of the ETFE material and oil-paper test data was conducted using double-parameter Weibull distribution. The inverse power and exponential functions were used to fit the experimental data and voltage tolerance coefficients of the ETFE material were obtained. Experimental results show the parameters of the ETFE model in the inverse power function and exponential function model are better than those of the oil paper insulation, and the sheathed fiber is ETFE that can be stably operated in the transformer.

Solidification of uranium mill tailings by MBS-MICP and environmental implications

Niu Qianjin,Li Chunguang,Liu Zhenzhong,Li Yongmei,Meng Shuo,He Xinqi,Liu Xinfeng,Wang Wenji,He Meijiao,Yang Xiaolei,Liu Qi,Liu Longcheng 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.10

Uranium mill tailing ponds (UMTPs) are risk source of debris flow and a critical source of environmental U and Rn pollution. The technology of microbial induced calcium carbonate precipitation (MICP) has been extensively studied on reinforcement of UMTs, while little attention has been paid to the effects of MICP on U & Rn release, especially when incorporation of metakaolin and bacillus subtilis (MBS). In this study, the reinforcement and U & Rn immobilization role of MBS -MICP solidification in different grouting cycle for uranium mill tailings (UMTs) was comprehensively investigated. The results showed that under the action of about 166.7 g/L metakaolin and ~50% bacillus subtilis, the solidification cycle of MICP was shortened by 50%, the solidified bodies became brittle, and the axial stress increased by up to 7.9%, and U immobilization rates and Rn exhalation rates decrease by 12.6% and 0.8%, respectively. Therefore, the incorporation of MBS can enhance the triaxial compressive strength and improve the immobilization capacity of U and Rn of the UMTs bodies solidified during MICP, due to the reduction of pore volume and surface area, the formation of more crystals general gypsum and gismondine, as well as the enhancing of coprecipitation and encapsulation capacity

Application of molecular dynamics simulation in self-assembled cancer nanomedicine

Xueli Xu,Ao Liu,Shuangqing Liu,Yanling Ma,Xinyu Zhang,Meng Zhang,Jinhua Zhao,Shuo Sun,Xiao Sun 한국생체재료학회 2023 생체재료학회지 Vol.27 No.00

Self-assembled nanomedicine holds great potential in cancer theragnostic. The structures and dynamics of nanomedicine can be affected by a variety of non-covalent interactions, so it is essential to ensure the self-assembly process at atomic level. Molecular dynamics (MD) simulation is a key technology to link microcosm and macroscale. Along with the rapid development of computational power and simulation methods, scientists could simulate the specific process of intermolecular interactions. Thus, some experimental observations could be explained at microscopic level and the nanomedicine synthesis process would have traces to follow. This review not only outlines the concept, basic principle, and the parameter setting of MD simulation, but also highlights the recent progress in MD simulation for self-assembled cancer nanomedicine. In addition, the physicochemical parameters of self-assembly structure and interaction between various assembled molecules under MD simulation are also discussed. Therefore, this review will help advanced and novice researchers to quickly zoom in on fundamental information and gather some thoughtprovoking ideas to advance this subfield of self-assembled cancer nanomedicine.