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The Inventory and Statistics of Potential Large-scale Landslide Areas in Southern Taiwan
( Kuo-wei Li ),( Chien-yu Lin ),( Jyh-jong Liao ),( Yi-wen Pan ),( Keng-hao Kang ),( Che-ming Yang ) 대한지질공학회 2019 대한지질공학회 학술발표회논문집 Vol.2019 No.2
This study produced an inventory of the 2,523 potential large-scale landslide areas (PLSLAs) in southern Taiwan. These PLSLAs were delineated using LiDAR DEM of 1m resolution after the 2009 Typhoon Morakot by other institutes. Using the inventory, we conducted a statistical analysis of the important geologic and geomorphologic factors possibly related to a PLSLA. The statistical analyses reveal that, among the 2,523 PLSLAs, (1) 82% of elevation are between 750 and 2,750 m, (2) 79% of the area are between 10 and 40 hectares, (3) 76% of the slope height are between 200 and 600 m, (4) 86% of the slope are between 25 and 40 degrees and (5) 83 percent of stream order are less than 3. Rock formations of these PLSLAs range from Oligocene to Miocene; 67% of the strata are slate, and 12% are interbedded of sandstone and shale. This study selected 24 medium to high risk cases of the 2,523 PLSLAs, and interpreted the micro-geomorphological features from 1m LiDAR DEM. The following three patterns were present: (1) PLSLA with clear features of gravitational slope deformation in slope height more than 500 m condition, (2) PLSLA with the relic of paleo landslides induced by gravitational buckling, toppling, or plane sliding, (3) PLSLA with river bank erosion on slope toe and head-cut erosion induced by gully development. Based on statistics, the stream order of the PLSLAs with gravitational slope deformation usually would exceed 3; 83% of PLSLAs are the areas also with paleo large-scale landslide.
Kuo-Tan Li 한국식품과학회 2012 식품과학과 산업 Vol.45 No.2
Japanese apricot (Prunus mume Sieb. et Zucc.) is the national symbol and was once the most important temperate fruit crop in Taiwan. Fruiting cultivars were originally introduced from southern China but commercial production was not significant until the 1970s. Currently 6,400 ha of Japanese apricot orchards distribute on shallow mountain hills in the central and the southern part of the island. Taiwanese commercial fruiting cultivars are plausibly chance seedlings or sports from the early introduction and are very low chilling required for budbreak. Ornamental cultivars have been mainly introduced from Japan but cultivations have been limited in high altitude area due to their high chilling requirement. In 2009, Taiwan Agricultural Research Institute’s breeding program released the first low chill ornamental cultivar ‘Tainung No.2’ with a great ornamental potential in subtropical regions. Cultivation and production of Japanese apricot fruit in Taiwan continue to dwindle due to the declining Japanese market share. Ongoing industry transformation to increase domestic consumption and consumer’s interest will sustain the future of Japanese apricot in Taiwan.
Li-qun Yang,Yong-kuo Liu,Min-jun Peng,Meng-kun Li,Nan Chao 한국원자력학회 2019 Nuclear Engineering and Technology Vol.51 No.5
A fast gamma-ray dose rate assessment method for complex geometries based on stylized modelreconstruction and point-kernel method is proposed in this paper. The complex three-dimensional (3D)geometries are imported as a 3DS format file from 3dsMax software with material and radiometric attributes. Based on 3D stylized model reconstruction of solid mesh, the 3D-geometrical solids are automaticallyconverted into stylized models. In point-kernel calculation, the stylized source models aredivided into point kernels and the mean free paths (mfp) are calculated by the intersections betweenshield stylized models and tracing ray. Compared with MCNP, the proposed method can implementcomplex 3D geometries visually, and the dose rate calculation is accurate and fast.
Li-Heng Yang,Hsin-Shun Tseng,Che Lin,Li-Sheng Chen,Shou-Tung Chen,Shou-Jen Kuo,Dar-Ren Chen 한국유방암학회 2012 Journal of breast cancer Vol.15 No.3
Purpose: This study aimed to analyze the efficacy and prognostic significance of adjuvant tamoxifen in breast cancer patients with various hormone receptor statuses. Methods: Typically, 1,260 female breast cancer patients were recruited in this study. The correlation between estrogen receptor (ER)/progesterone receptor (PR) phenotypes and clinical characteristics was investigated, and the survival rate was assessed after 5-year follow-up. Results: The 5-year overall survival (85%) was better in women under the age of 50 years. Patients with ER+/PR+ tumors had a better 5-year survival rate (94%); those with ER-/PR- tumors experienced the worst outcome (74% survival rate); whereas singlepositive cases were in between. In 97 out of 128 patients with ER-/PR+ tumors, tamoxifen was given as adjuvant hormonal therapy, and it increased the survival benefit in the lower grade group in terms of overall survival and disease-free survival (p=0.01 and p=0.03, respectively). Conclusion: For high-grade tumors with ER-/PR+, adjuvant tamoxifen therapy may have no survival benefit, whereas for the patients with low-grade ER-/PR+ tumors, adjuvant tamoxifen therapy is highly suggestive.
LI, KUO CHU,HEO, KYUN,AMBADE, NITIN,KIM, MIN KYUNG,KIM, KYUNG-HEE,YOO, BYONG CHUL,YOO, HWA-SEUNG SPANDIDOS PUBLICATIONS 2015 MOLECULAR MEDICINE REPORTS Vol.12 No.3
<P>The Korean traditional medicine, HangAmDan (HAD), was developed in 1996 for use as an antitumor agent, and has since been modified to HAD?B (an altered form of HAD), in order to potentiate its therapeutic effects. In the present study, the effect of HAD?B on the proliferation and invasion of NIH:OVCAR?3 and SKOV?3 human ovarian cancer cell lines was investigated. In addition, the expression of major signal transduction molecules and changes in the proteome in these cells were measured. HAD?B treatment effectively induced a reduction in the levels of cell proliferation in serum?free conditioned media. However, unaltered levels of PARP and caspase?3 indicated that HAD?B does not reduce proliferation by inducing apoptotic cell death. Fluorescence?activated cell sorting analysis revealed no significant change in apoptosis following HAD-B treatment. Invasion assay results indicated a reduced rate of invasion following HAD?B treatment. HAD?B also influenced the expression of major signal transduction molecules; the phosphorylation of mTOR and AKT was reduced, while that of ERK was increased. Alterations in the proteomes of the two cell lines were investigated following HAD?B treatment. Among the 9 proteins with differential expression, heat?shock protein β?1 (HSP27) was downregulated in NIH:OVCAR?3 cells treated with HAD?B. The reduced expression of HSP27 was associated with human epidermal growth factor receptor 2 (Her2) downregulation in these cells. In conclusion, the results of the current proteome assessment suggest that HAD?B has the potential to suppress the proliferation and invasion of human ovarian cancer cells. HAD?B treatment of NIH:OVCAR?3 cells suppressed HSP27 expression and was also associated with Her2 downregulation.</P>
Li, Kuo,Zhang, Junling,Ji, Chunxue,Wang, Lixuan Korean Society for Molecular and Cellular Biology 2016 Molecules and cells Vol.39 No.7
MicroRNAs (miRNAs) have been reported to be involved in many neurodegenerative diseases. The present study focused on the role of hsa-miR-144-3p in one of the neuro-degenerative diseases, Parkinson's disease (PD). Our study showed a remarkable down-regulation of miR-144-3p expression in 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine (MPTP)-treated SH-SY5Y cells. MiR-144-3p was then overexpressed and silenced in human SH-SY5Y cells by miRNA-mimics and miRNA-inhibitor transfections, respectively. Furthermore, ${\beta}$-amyloid precursor protein (APP) was identified as a target gene of miR-144-3p via a luciferase reporter assay. We found that miR-144-3p overexpression significantly inhibited the protein expression of APP. Since mitochondrial dysfunction has been shown to be one of the major pathological events in PD, we also focused on the role of miR-144-3p and APP in regulating mitochondrial functions. Our study demonstrated that up-regulation of miR-144-3p increased expression of the key genes involved in maintaining mitochondrial function, including peroxisome proliferator-activated receptor ${\gamma}$ coactivator-$1{\alpha}$(PGC-$1{\alpha}$), nuclear respiratory factor 1 (NRF-1) and mitochondrial transcription factor A (TFAM). Moreover, there was also a significant increase in cellular ATP, cell viability and the relative copy number of mtDNA in the presence of miR-144-3p overexpression. In contrast, miR-144-3p silencing showed opposite effects. We also found that APP overexpression significantly decreased ATP level, cell viability, the relative copy number of mtDNA and the expression of these three genes, which reversed the effects of miR-144-3p overexpression. Taken together, these results show that miR-144-3p plays an important role in maintaining mitochondrial function, and its target gene APP is also involved in this process.
Tsai Li-Jen,Chung Chi-Hsiang,Lin Chien-Jung,Su Sheng-Chiang,Kuo Feng-Chih,Liu Jhih-Syuan,Chen Kuan-Chan,Ho Li-Ju,Kuo Chih-Chun,Chang Chun-Yung,Lin Ming-Hsun,Chu Nain-Feng,Lee Chien-Hsing,Hsieh Chang-H 한국한의학연구원 2022 Integrative Medicine Research Vol.11 No.2
Background: Diabetic patients are at high risk of developing cancer. Traditional Chinese medicine (TCM) has become increasingly popular as an adjuvant treatment for patients with chronic diseases, and some studies have identified its beneficial effect in diabetic patients with cancer. The purpoes of this study was to outline the potential of TCM to attenuate hospitalization and mortality rates in diabetic patients with carcinoma in situ (CIS). Methods: A total of 6,987 diabetic subjects with CIS under TCM therapy were selected from the National Health Insurance Research Database of Taiwan, along with 38,800 of 1:1 sex-, age-, and index year-matched controls without TCM therapy. Cox proportional hazard analysis was conducted to compare hospitalization and mortality rates during an average of 15 years of follow-up. Results: A total of 3,999/1,393 enrolled-subjects (28.62%/9.97%) had hospitalization/mortality, including 1,777/661 in the TCM group (25.43%/9.46%) and 2,222/732 in the control group (31.80%/10.48%). Cox proportional hazard regression analysis showed a lower rate of hospitalization and mortality for subjects in the TCM group (adjusted HR=0.536; 95% CI=0.367–0.780, P<0.001; adjusted HR=0.783; 95% CI=0.574– 0.974, P = 0.022). Kaplan-Meier analysis showed that the cumulative risk of hospitalization and mortality in the case and control groups was significantly different (log rank, P<0.001 and P = 0.011, respectively). Conclusions: Diabetic patients with CIS under TCM therapy were associated with lower hospitalization and mortality rates compared to those without TCM therapy. Thus, TCM application may reduce the burden of national medical resources.
이국주 ( Kuo Chu Li ),김경순 ( Kyung Soon Kim ),유화승 ( Hwa Seung Yoo ),이연월 ( Yeon Weol Lee ),조종관 ( Chong Kwan Cho ) 대전대학교 한의학연구소 2012 한의학연구소 논문집 Vol.20 No.2
Objective : This is a comprehensive review summary of anticancer effect through autophagy using herb. Method : Data were retrieved from pubmed and authorized texts concerning anticancer effect through autophagy using herb.g its ant Results : A total of 5 potentially relevant studies were identified with including 4 in vitro papers. All papers were related to single herb extract or its compound providini-cancer effect through autophagy mechanisms of up-regulated pro-autophagy proteins and down-regulated anti-autophagy proteins. Conclusion : We can search five potentially relevant studies with anticancer treatment through enhancing autophagy mechanism. Autophagy will be a good pathway mechanism to explore novel experimental therapeutics in herb.