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- 검색키워드
- 저자 : Jia-Ci (검색결과 5 건)
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Bao, Ci-Hang,Liu, Kun,Wang, Xin-Tong,Ma, Wei,Wang, Jian-Bo,Wang, Cong,Jia, Yi-Bin,Wang, Na-Na,Tan, Bing-Xu,Song, Qing-Xu,Cheng, Yu-Feng Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.5
Hepatoma-derived growth factor (HDGF) is a novel jack-of-all-trades in cancer. Here we quantify the prognostic impact of this biomarker and assess how consistent is its expression in solid tumors. A comprehensive search strategy was used to search relevant literature updated on October 3, 2014 in PubMed, EMBASE and WEB of Science. Correlations between HDGF expression and clinicopathological features or cancer prognosis was analyzed. All pooled HRs or ORs were derived from random-effects models. Twenty-six studies, primarily in Eastern Asia, covering 2,803 patients were included in the analysis, all of them published during the past decade. We found that HDGF overexpression was significantly associated with overall survival (OS) ($HR_{OS}=2.35$, 95%CI=2.04-2.71, p<0.001) and disease free survival (DFS) ($HR_{DFS}=2.25$, 95%CI =1.81-2.79, p<0.001) in solid tumors, especially in non-small cell lung cancer, hepatocellular carcinoma and cholangiocarcinoma (CCA). Moreover, multivariate survival analysis showed that HDGF overexpression was an independent predictor of poor prognosis ($HR_{OS}=2.41$, 95%CI: 2.02-2.81, p<0.001; $HR_{DFS}=2.39$, 95%CI: 1.77-3.24, p<0.001). In addition, HDGF overexpression was significantly associated with tumor category (T3-4 versus T1-2, OR=2.12, 95%CI: 1.17-3.83, p=0.013) and lymph node status (N+ versus N-, OR=2.37, 95%CI: 1.31-4.29, p=0.03) in CCA. This study provides a comprehensive examination of the literature available on the association of HDGF overexpression with OS, DFS and some clinicopathological features in solid tumors. Meta-analysis results provide evidence that HDGF may be a new indicator of poor cancer prognosis. Considering the limitations of the eligible studies, other large-scale prospective trials must be conducted to clarify the prognostic value of HDGF in predicting cancer survival.
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Jia-Ci Jhang,Ting Ru Lin,Yu-Chun Chuang,Ching-Wen Lou,Jia-Horng Lin 한국섬유공학회 2020 Fibers and polymers Vol.21 No.3
It is trendy to use polymers with different forms in a diversity of fields. This study uses nylon fibers and lowmelting-point polyester (LMPET) fibers or low melting point polylactic acid (LMPLA) fibers to fabricate three-dimensionalnylon/LMPET and nylon/LMPLA cushioning composite fabrics employing the nonwoven manufacturing. The employmentof needle punching process and thermal treatment reinforce the cushioning composite fabrics, and the subsequent thermalbonding points strengthen the mechanical properties effectively. In comparison to pure nylon nonwoven fabrics, the nyloncushioning composite fabrics exhibit higher tensile strength by 2.3 times regardless of whether it is a nylon/LMPET or nylon/LMPLA cushioning composite fabric. Similarly, based on the hammer rebound rate measurement, when the 3D cushioningcomposite fabrics are composed of 20 wt% of LMPLA fibers or 80 wt% of LMPET fibers, the hammer rebound rate reaches20 %, which is 1.4 times greater than that of the control group. Additionally, the composite fabrics that are composed of80 wt% of LMPLA fibers or 40 wt% of LMPET fibers also demonstrate higher compression recovery than the control group.
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Buckling resistance of axially loaded square concrete-filled double steel tubular columns
Junchang Ci,Mizan Ahmed,Viet-Linh Tran,Hong Jia,Shicai Chen,Tan N. Nguyen 국제구조공학회 2022 Steel and Composite Structures, An International J Vol.43 No.6
Thin-walled square concrete-filled double steel tubular (CFDST) columns composed of the inner circular tube filled with concrete can be used to carry the large axial loads or strengthen existing CFST columns in composite constructions. This paper reports an experimental program carried out on short square CFDST columns loaded concentrically. The influences of important column parameters on the post-buckling performance of such columns are investigated. Test results exhibit that the inner circular tube significantly improves the ultimate loads and the ductility of such columns compared to conventional concrete-filled steel tubular (CFST) and double-skin CFST (DCFST) columns with an inner void. A mathematical model developed is used to simulate the ultimate strengths and load-strain curves of such columns loaded axially. Furthermore, the ultimate strengths of such columns are predicted using existing codified design models for conventional CFST columns as well as the formulas proposed by previous researchers and compared against a large database comprising 500 CFDST columns. Lastly, an accurate artificial neural network model is developed for the practical applications of such columns under axial loading.
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Ting Ru Lin,Yan-Yu Lin,Ting An Lin,Jia-Ci Jhang,Ching-Wen Lou,Jia-Horng Lin 한국섬유공학회 2020 Fibers and polymers Vol.21 No.9
In countries with severe gun regulations, soldiers and police officers are commonly attacked by sharp weapons. The current personal protective equipment is too heavy, and therefore, in this study, mechanically strong Kevlar® fibers,nylon fibers, and Low-melting-point polyester (LMPET) fibers are needle punched to make thin, light, and comfortablenonwoven fabrics. Hot-baking and hot-pressing heat treatments are used for thermal bonding fibers, which subsequentlygenerate a dense and rigid surface because nonwoven fabrics are subjected to damaged structure by needle punch or aslippery state due to the fibers’ properties. The results of the air permeability, tensile strength, and quasi-static stab resistancetestings verify that the dense surface is correlated with hot-pressing heat treatment.
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Xue Xu,Yue-sheng Huang,Qiong Zhang,Jiong-yu Hu,Dong-xia Zhang2,Xu-pin Jiang,jie-zhi Jia,Jing-ci Zhu 한국분자세포생물학회 2013 Molecules and cells Vol.36 No.4
Hypoxia-induced microtubule disruption and mitochondrial permeability transition (mPT) are crucial events leading to fatal cell damage and recent studies showed that microtubules (MTs) are involved in the modulation of mitochondrial function. Dynein light chain Tctex-type 1 (DYNLT1) is thought to be associated with MTs and mitochondria. Previously we demonstrated that DYNLT1 knockdown aggravates hypoxia-induced mitochondrial permeabilization, which indicates a role of DYNLT1 in hypoxic cytoprotection. But the underlying regulatory mechanism of DYNLT1 remains illusive. Here we aimed to investigate the phosphorylation alteration of DYNLT1 at serine 82 (S82) in hypoxia (1% O2). We therefore constructed recombinant adenoviruses to generate S82E and S82A mutants, used to transfect H9c2 and HeLa cell lines. Development of hypoxia-induced mPT (MMP examining, Cyt c release and mPT pore opening assay), hypoxic energy metabolism (cellular viability and ATP quantification), and stability of MTs were examined. Our results showed that phosph-S82 (S82-P) expression was increased in early hypoxia; S82E mutation (phosphomimic) aggravated mitochondrial damage, ele-vated the free tubulin in cytoplasm and decreased the cellular viability; S82A mutation (dephosphomimic) seemed to diminish the hypoxia-induced injury. These data suggest that DYNLT1 phosphorylation at S82 is involved in MTs and mitochondria regulation, and their interaction and cooperation contribute to the cellular hypoxic tolerance. Thus, we provide new insights into a DYNLT1 mechanism in stabilizing MTs and mitochondria, and propose a potential therapeutic target for hypoxia cytoprotective studies.
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