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Huang, Yue-Han,Chen, Zhen-Kun,Huang, Ka-Te,Li, Peng,He, Bin,Guo, Xu,Zhong, Jun-Qiao,Zhang, Qi-Yu,Shi, Hong-Qi,Song, Qi-Tong,Yu, Zheng-Ping,Shan, Yun-Feng Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.3
Aim: To study any correlation of LKB1 expression with prognosis in hepatocellular carcinoma (HCC) cases. Methods: A total of 70 HCC patients and 20 primary intrahepatic stone patients in the first affiliated hospital of Wenzhou Medical College were enrolled in this study. LKB1 expression was detected by immunohistochemistry. Patients were followed-up and prognostic factors were evaluated. Result: LKB1 expression was decreased in the HCC samples. Loss of LKB1 expression in HCC was significantly related to histologic grade (P=0.010), vascular invasion (P=0.025) and TMN stage (P=0.011). Patients showing negative LKB1 expression had a significantly shorter disease-free and overall survival than those with positive expression (P = 0.001, P=0.000, respectively). Multivariate Cox regression analysis indicated that LKB1 expression level was an independent factor of survival (P = 0.033). Conclusion: HCC patients with decreased expression LKB1 have a poor prognosis. The loss of LKB1 expression is correlated with a lower survival rate.
( Jing Han Huang ),( Syue Fong Lai ),( Wen Fu Wu ),( Chen Wei Huang ),( Ying Chen Lu ) 한국농업기계학회 2018 한국농업기계학회 학술발표논문집 Vol.23 No.1
Sourdough is traditionally used as the leavening agent for bread making and a potential source of probiotics. In this study, sourdoughs from seven restaurants in Taiwan were collected. The lactic acid bacteria strains were isolated and identified by 16S rDNA sequencing from these sourdoughs. The following lactic acid bacteria species were identified: Lactobacillus pentosus, Lactobacillus paracasei, Lactobacillus casei, Lactobacillus plantarum, Lactobacillus sanfranciscensis. Five lactic acid bacteria strains, Lactobacillus paracasei LYC1242, Lactobacillus casei LYC1244, Lactobacillus plantarum LYC1245 and Lactobacillus casei LYC1246, were selected and singly used to ferment wheat flour. The pH value of various sourdoughs decreased to pH3 from pH5 and kelp at pH3. The titratable acidity and viscosity of various sourdoughs increased significantly compared to spontaneous fermented flour. However, there is no significant difference in titratable acidity between various sourdoughs. The sourdough fermented with L. casei LYC1244 had highest cell count. These studies provided preliminary results for choosing the best lactic acid bacteria starter strain to develop probiotic sourdough bread.
Jing-Han Chen,Chi-Te Liang,Chun-Feng Huang,Da-Ren Hang,David A. Ritchie,J. C. Hsiao,Jyun-Ying Lin,Michelle Y. Simmons,Ming-Gu Lin,S. H. Lo,Tsai-Yu Huang 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.3
By applying a magnetic field perpendicular to GaAs/AlGaAs two-dimensional electron systems (2DESs), we study the low-field Landau quantization when the thermal damping is reduced with decreasing temperature. Magneto-oscillations following the Shubnikov-de Haas (SdH) formula are observed even when their amplitudes are so large that the deviation to such a formula is expected. Our experimental results show the importance of the positive magneto-resistance to the extension of the SdH formula under the damping induced by the disorder.
Jian-Zhe Huang,Li-Hung Lin,Chin-An Chang,Chi-Te Liang,Kuang Yao Chen,Kui-Ming Chen,N. C. Chen,P. H. Chang,Shiou-Shian Han,Zhi-Hao Sun 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.3
We report on experimental studies of an Al$_{0.15}$Ga$_{0.85}$N/GaN high-electron-mobility transistor structure grown on a $p$-type Si (111) substrate. This structure is compatible with complementary metal-oxide-semiconductor (CMOS) technology and, thus, has great potential device applications. The low-temperature magnetoresistivity shows a parabolic dependence on the applied perpendicular magnetic field. This effect is ascribed to electron-electron interaction (EEI) effects in a weakly-disordered two-dimensional system. Our experimental results agree with the EEI theory when the correction term in the ballistic region has been subtracted.
Nomogram for predicting overall survival in children with neuroblastoma based on SEER database
Song-Wu Liang,Gang Chen,Yi-Ge Luo,Peng Chen,Jin-Han Gu,Qiong-Qian Xu,Yi-Wu Dang,Li-Ting Qin,Hui-Ping Lu,Wen-Ting Huang,Zhi-Guang Huang,Li Gao,Jia-Bo Chen 대한외과학회 2020 Annals of Surgical Treatment and Research(ASRT) Vol.99 No.2
Purpose: This study was performed to establish and validate a nomogram for predicting the overall survival in children with neuroblastoma. Methods: The latest clinical data of neuroblastoma in Surveillance, Epidemiology, and End Results (SEER) database was extracted from 2000 to 2016. The cases included were randomly divided into training and validation cohorts. The survival curves were drawn with a Kaplan-Meier estimator to investigate the influences of certain single factors on overall survival. Also, least absolute shrinkage and selection operator regression was applied to further select the prognostic variables for neuroblastoma. Additionally, receiver operating characteristic (ROC) curves and calibration curves were used to evaluate the accuracy of the nomogram. Results: In total, 1,262 patients were collected and 8 independent prognostic factors were achieved, including patients’ age, sex, race, tumor grade, radiotherapy, chemotherapy, tumor site, and tumor size. Then we constructed a nomogram by using the data of the training cohort with 886 cases. Subsequently, the nomogram was validated internally and externally with 886 and 376 cases, respectively. The internal validation revealed that the area under the curves (AUC) of ROC curves of 1-, 3-, and 5-year overall survival were 0.69, 0.78, and 0.81, respectively. Accordingly, the external validation also showed that the AUC of 1-, 3-, and 5-year overall survival were all ≥0.69. Both methods of validation demonstrated that the predictive calibration curves were consistent with standard curves. Conclusion: The nomogram possess the potential to be a new tool in predicting the survival rate of neuroblastoma patients.
Chun-Yu Liu,Tzu-Ting Huang,Pei-Yi Chu,Chun-Teng Huang,Chia-Han Lee,Wan-Lun Wang,Ka-Yi Lau,Wen-Chun Tsai,Tzu-I Chao,Jung-Chen Su,Ming-Huang Chen,Chung-Wai Shiau,Ling-Ming Tseng,Kuen-Feng Chen 생화학분자생물학회 2017 Experimental and molecular medicine Vol.49 No.-
Triple-negative breast cancer (TNBC) remains difficult to treat and urgently needs new therapeutic options. Nintedanib, a multikinase inhibitor, has exhibited efficacy in early clinical trials for HER2-negative breast cancer. In this study, we examined a new molecular mechanism of nintedanib in TNBC. The results demonstrated that nintedanib enhanced TNBC cell apoptosis, which was accompanied by a reduction of p-STAT3 and its downstream proteins. STAT3 overexpression suppressed nintedanib-mediated apoptosis and further increased the activity of purified SHP-1 protein. Moreover, treatment with either a specific inhibitor of SHP-1 or SHP-1-targeted siRNA reduced the apoptotic effects of nintedanib, which validates the role of SHP-1 in nintedanib-mediated apoptosis. Furthermore, nintedanib-induced apoptosis was attenuated in TNBC cells expressing SHP-1 mutants with constantly open conformations, suggesting that the autoinhibitory mechanism of SHP-1 attenuated the effects of nintedanib. Importantly, nintedanib significantly inhibited tumor growth via the SHP-1/p-STAT3 pathway. Clinically, SHP-1 levels were downregulated, whereas p-STAT3 was upregulated in tumor tissues, and SHP-1 transcripts were associated with improved disease-free survival in TNBC patients. Our findings revealed that nintedanib induces TNBC apoptosis by acting as a SHP-1 agonist, suggesting that targeting STAT3 by enhancing SHP-1 expression could be a viable therapeutic strategy against TNBC.
<i>Arabidopsis</i> glucan synthase-like 10 functions in male gametogenesis
Huang, Lijun,Chen, Xiong-Yan,Rim, Yeonggil,Han, Xiao,Cho, Won Kyong,Kim, Seon-Won,Kim, Jae-Yean Elsevier 2009 Journal of plant physiology Vol.166 No.4
<P><B>Summary</B></P><P>Callose or <I>β</I>-1,3-glucan performs multiple functions during male and female gametophyte development. Callose is synthesized by 12 members of the glucan synthase-like (GSL) gene family in <I>Arabidopsis thaliana</I>. To elucidate the biological roles of <I>Arabidopsis</I> GSL family members during sexual development, we initiated a reverse genetic approach with T-DNA insertional mutagenesis lines. We screened T-DNA insertion lines for all members of the GSL gene family and detected homozygous mutant seedlings for all members except <I>GSL10</I>. Three independent alleles in <I>GSL10</I>, <I>gsl10-1</I>, <I>gsl10-3</I> and <I>gsl10-4</I> showed distorted segregation (1:1:0) of T-DNA inserts rather than Mendelian segregation (1:2:1). By genetic analysis through reciprocal cross, we determined that <I>gsl10</I> pollen could not be transmitted to descendent. The mutant pollen of <I>GSL10</I>/<I>gsl10</I> plants at tetrad and microspore stages were not different from that of wild type, suggesting that <I>GSL10</I> is not essential for normal microspore growth. Analysis of <I>GSL10</I>/<I>gsl10</I> hemizygous pollen during development revealed abnormal function in asymmetric microspore division. <I>gsl10</I> mutant microspores failed to enter into mitosis. Unlike the previously described functions of <I>GSL1</I>, <I>GSL2</I> and <I>GSL5</I>, <I>GSL10</I> involves an independent process of pollen development at the mitotic division stage.</P>
Chen, Shouxin,Huang, Decheng,Han, Xiaosen Korean Mathematical Society 2009 대한수학회보 Vol.46 No.3
In this paper, we consider a generalized Riemann problem of the first order hyperbolic conservation laws. For the case that excludes the centered wave, we prove that the generalized Riemann problem admits a unique piecewise smooth solution u = u(t, x), and this solution has a structure similar to the similarity solution u = $U{(\frac{x}{t})}$ of the correspondin Riemann problem in the neighborhood of the origin provided that the coefficients of the system and the initial conditions are sufficiently smooth.
ANALYZING ISUAL SPECTROPHOTOMETER DATA USING A TWO-COLOR DIAGRAM METHOD
CHEN ALFRED BING-CHIH,CHIANG PO-SHIH,HUANG TIAN-HSIANG,KUO CHENG-LING,WANG SHI-CHUN,SU HAN-TZONG,HSU RUE-RoN,CHANG MING-HUI,CHANG YEOU-SHIN,LIU TIE-YUE,MENDE STEPHEN B.,FREY HARALD U.,FUKUNISHI HIROSH The Korean Astronomical Society 2005 Journal of The Korean Astronomical Society Vol.38 No.2
Transient luminous events (TLEs; sprites, elves, jets and etc.) are lightning-related optical flashes occurring above thunderstorms. Since the first discovery of sprites in 1989, scientists have learned a great deal about the morphological, spectroscopic and electromagnetic characteristics of TLEs through ground and spacecraft campaigns. However, most of the TLE studies were based on events recorded over US High Plains. To elucidate the possible biasing effects, space-borne observations are needed and have their merits. Imager of sprites and Upper Atmospheric Lightning (ISUAL) on the FORMOSAT-2 satellite is the first instrument to carry out a true global measurement of TLEs from a low- earth orbit. In this short paper, we apply a common astronomical data analysis technique, two-color diagram, on the ISUAL spectrophotometer (SP) data. By choosing appropriated bandpasses and converting the measured flux of TLEs into the unit of magnitude, two-color diagrams of TLEs can be constructed. We demonstrate that two-color diagrams, which were constructed from the narrow-band spectrophotometer data, can be used to classify different types of TLEs and trace their temporal evolution. The amount of reddening due to Earth's atmosphere can also be estimated from two-color diagrams assembled from the broad-band spectrophotometer data.