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Effect of Matrix Metalloproteinase on Autolysis of Sea Cucumber Stichopus japonicus
Li-Ming Sun,Ting-Ting Wang,Bei-Wei Zhu,Hai-Ling Niu,Rui Zhang,Hong-Man Hou,Gong-Liang Zhang,Yoshiyuki Murata 한국식품과학회 2013 Food Science and Biotechnology Vol.22 No.5
To investigate the relationship between matrix metalloproteinase (MMPs) and autolysis of sea cucumber Stichopus japonicus, the dermis homogenate was incubated at 25oC to induce autolysis. EDTA Na2 and 1,10-phenanthroline were used to verify the effect of MMPs on autolysis, which was measured by soluble protein and protein pattern. Soluble protein level increased during a 6-h autolysis process. SDS-PAGE demonstrated obvious protein degradation with the concomitant occurrence of degradation products. The above two indicators could be inhibited significantly by EDTA Na2 and 1,10-phenanthroline, indicating that MMPs might play a significant role in autolysis of sea cucumber.
후박군 ( Bo-jun Hou ),오외 ( Wei Wu ),장홍정 ( Hong-ting Zhang ),심영찬 ( Young-chan Sim ),김웅식 ( Woong-sik Kim ) 한국정보처리학회 2009 한국정보처리학회 학술대회논문집 Vol.16 No.2
분 논문에서는 원격 온도제어시스템을 연구하였다. 원격계측 센서를 이용하여 비닐하우스 내의 온도 정보를 수집하고 이 데이터를 무선통신을 이용하여 서버에 전송 후 온도제어 정보를 다시 히터시스템에 전달한다. 옥내에서 비닐하우스 내 온도변화를 파악하고 원격으로 히터시스템을 가동할 수 있다.
Lysine Requirement of Male White Pekin Ducklings from Seven to Twenty-one Days of Age
Xie, Ming,Guo, Yuming,Zhang, Ting,Hou, Shuisheng,Huang, Wei Asian Australasian Association of Animal Productio 2009 Animal Bioscience Vol.22 No.10
A dose-response experiment with five lysine levels (0.65, 0.80, 0.95, 1.10, and 1.25%) was conducted to evaluate the lysine requirement of male White Pekin ducklings from 7 to 21 days of age. Two hundred and eighty, 7-day-old, male White Pekin ducklings were allocated to 5 experimental treatments, each containing 8 replicate pens with 7 birds per pen. Feed and water were provided ad libitum from 7 to 21 days of age. At 21 days of age, weight gain, feed intake, feed/gain, breast meat weight, and breast meat yield relative to body weight of ducklings from each pen were all measured. As dietary lysine level increased, weight gain, feed intake, feed/gain, breast meat weight, and breast meat yield of ducklings were all improved significantly (p<0.05). According to broken-line regression analysis, the lysine requirement of male White Pekin ducklings from 7 to 21 days of age for weight gain, feed/gain, breast meat weight, and breast meat yield was 0.84, 0.90, 0.97, and 0.98%, respectively. Considering that Pekin duck production is directed to meat production, the lysine requirement of male starter Pekin ducklings during this period is suggested to be 0.98%.
Serum Proteomics Analysis of Feline Mammary Carcinoma Based on Label-free and PRM Techniques
Jia-San Zheng,Ren-Yue Wei,Zheng Wang,Ting-Ting Zhu,Hong-Ri Ruan,Xue Wei,Kai-Wen Hou,Rui Wu 대한수의학회 2020 Journal of Veterinary Science Vol.21 No.3
Background: Feline mammary carcinoma is the third most common cancer that affects female cats. Objectives: The purpose of this study was to screen differential serum proteins in feline and clarify the relationship between them and the occurrence of feline mammary carcinoma. Methods: Chinese pastoral cats were used as experimental animals. Six serum samples from cats with mammary carcinoma (group T) and six serum samples from healthy cats (group C) were selected. Differential protein analysis was performed using a Label-free technique, while parallel reaction monitoring (PRM) was performed to verify the screened differential proteins. Results: A total of 82 differential proteins were detected between group T and group C, of which 55 proteins were down regulated and 27 proteins were up regulated. Apolipoprotein A-I, Apolipoprotein A-II (ApoA-II), Apolipoprotein B (ApoB), Apolipoprotein C-III (ApoC-III), coagulation factor V, coagulation factor X, C1q, albumen (ALB) were all associated with the occurrence of feline mammary carcinoma. Differential proteins were involved in a total of 40 signaling pathways, among which the metabolic pathways associated with feline mammary carcinoma were the complement and coagulation cascade and cholesterol metabolism. According to the Label-free results, ApoB, ApoC-III, ApoA-II, FN1, an uncharacterized protein, and ALB were selected for PRM target verification. The results were consistent with the trend of the label-free. Conclusions: This experimen is the first to confirm ApoA-II and ApoB maybe new feline mammary carcinoma biomarkers and to analyze their mechanisms in the development of such carcinoma in feline.
Interleukin-20 targets podocytes and is upregulated in experimental murine diabetic nephropathy
Yu-Hsiang Hsu,Hsing-Hui Li,Junne-Ming Sung,Wei-Yu Chen,Ya-Chin Hou,Yun-Han Weng,Wei-Ting Lai,Chih-Hsing Wu,Ming-Shi Chang 생화학분자생물학회 2017 Experimental and molecular medicine Vol.49 No.-
Interleukin (IL)-20, a proinflammatory cytokine of the IL-10 family, is involved in acute and chronic renal failure. The aim of this study was to elucidate the role of IL-20 during diabetic nephropathy development. We found that IL-20 and its receptor IL-20R1 were upregulated in the kidneys of mice and rats with STZ-induced diabetes. In vitro, IL-20 induced MMP-9, MCP-1, TGF-β1 and VEGF expression in podocytes. IL-20 was upregulated by hydrogen peroxide, high-dose glucose and TGF-β1. In addition, IL-20 induced apoptosis in podocytes by activating caspase-8. In STZ-induced early diabetic nephropathy, IL-20R1-deficient mice had lower blood glucose and serum BUN levels and a smaller glomerular area than did wild-type controls. Anti-IL-20 monoclonal antibody (7E) treatment reduced blood glucose and the glomerular area and improved renal functions in mice in the early stage of STZ-induced diabetic nephropathy. ELISA showed that the serum IL-20 level was higher in patients with diabetes mellitus than in healthy controls. The findings of this study suggest that IL-20 induces cell apoptosis of podocytes and plays a role in the pathogenesis of early diabetic nephropathy.
Design and applications of fluorescent detectors for peroxynitrite
Wang, Shan,Chen, Liyan,Jangili, Paramesh,Sharma, Amit,Li, Wei,Hou, Ji-Ting,Qin, Caiqin,Yoon, Juyoung,Kim, Jong Seung Elsevier 2018 Coordination Chemistry Reviews Vol.374 No.-
<P><B>Abstract</B></P> <P>Peroxynitrite (ONOO<SUP>−</SUP>) is one of the endogenous reactive oxygen species (ROS), which causes damage to a wide array of molecular components in the cells, including DNA and proteins, owing to its high oxidizing as well as nitrating properties. However, the precise pathogenic roles played by this substance in biological systems have not yet been elucidated completely owing to its short lifetime, high reactivity, low concentration and elusive nature in the <I>in vivo</I> applications. Thus, the development of more sensitive and selective techniques for detecting ONOO<SUP>−</SUP>, with high biocompatibilities, sensitivities, and site-specificities, is a significant goal. This review summarizes the recent advances that have been made in developing fluorescent sensors for ONOO<SUP>−</SUP> and their biological applications in diverse living systems.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The general significance of ONOO<SUP>−</SUP> detection. </LI> <LI> The design strategies of functional ONOO<SUP>−</SUP> probes. </LI> <LI> The diverse platforms to design ONOO<SUP>−</SUP> probes, including small molecules, proteins and nanocarriers. </LI> <LI> The diverse biological applications of fluorescent ONOO<SUP>−</SUP> probes. </LI> <LI> Perspectives and potential future directions. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>In this review, the development of fluorescent probes for peroxynitrite detection since 2013 is described. The chemical sensor’s designs has been classified by their reaction based sensing patterns.</P> <P>[DISPLAY OMISSION]</P>