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Surgical Treatment for Early Esophageal Squamous Cell Carcinoma
Chen, Shao-Bin,Weng, Hong-Rui,Wang, Geng,Yang, Jie-Sheng,Yang, Wei-Ping,Liu, Di-Tian,Chen, Yu-Ping,Zhang, Hao Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.6
More studies are needed to clarify treatments and prognosis of early esophageal squamous cell carcinoma (ESCC). This retrospective study was designed to review the outcome of surgical treatment for early ESCC, evaluate the results of a left thoracotomy for selected patients with early ESCC, and identify factors affecting lymph node metastases and survival. The clinicopathological data of 228 patients with early ESCC who underwent transthoracic esophagectomy with lymphadenectomy without preoperative adjuvant treatment were reviewed. The ${\chi}^2$ test or Fisher's exact test were used to detect factors related to lymph node metastasis. Univariate and multivariate analyses were performed to identify prognostic factors. There were 152 males and 76 females with a median age of 55 years. Two hundred and eight patients underwent a left thoracotomy, and the remaining 20 patients with lymph nodes in the upper mediastinum more than 5 mm in short-axis diameter by computed tomography scan underwent a right thoracotomy. No lymph node metastasis was found in the 18 patients with carcinoma in situ, while lymph node metastases were detected in 1.6% (1/62) of patients with mucosal tumours and 18.2% (27/148) of patients with submucosal tumours. Only 7 patients showed upper mediastinal lymph node metastases in the follow-up. The 5- and 10-year overall survival rates were 81.4% and 70.1%, respectively. Only histologic grade (P<0.001) and pT category (P=0.001) significantly correlated with the presence of lymph node metastases. In multivariate analysis, only histologic grade (P=0.026) and pT category (P=0.008) were independent prognostic factors. A left thoracotomy is acceptable for selected patients with early ESCC. Histologic grade and pT category affected the presence of lymph node metastases and were independent prognostic factors for early ESCC.
Influence of Illumination with Xenon or Sulfur Lamp on Growth of Tomato Seedlings
Chen, Qilin,Yu, Xinjian,Weng, Jun,Chen, Jinxing,Liu, Yuequn,Gao, Jinpeng,Xu, Chunhe Korean Society of Photoscience 2002 Journal of Photosciences Vol.9 No.2
Effects of illumination with xenon or sulfur lamp on growth of tomato seedlings were studied. Results showed no obvious differences in net photosynthetic rate and apparent quantum efficiency. In comparison with xenon lamp, illumination with sulfur lamp slightly reduced ChI a and ChI b content in leaves, relatively shortened epicotyl and hypocotyl length, but significantly increased anthocyanin content of leaves and promoted root growth of tomato seedling plants.
Chen, Cong,Li, Wei Zhong,Song, Yong Chen,Weng, Lin Dong,Zhang, Ning Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.7
Molecular dynamics simulations have been performed to investigate hydrogen bonding characteristics of hydroxyl groups in glucose aqueous solutions with different concentrations. The hydrogen bonding abilities and strength of different O and H atom types have been calculated and compared. The acceptor/donor efficiencies have been predicted and it has been found that: (1) O2-HO2 and O3-HO3 are more efficient intramolecular hydrogen bonding acceptors than donors; (2) O1-HO1, O4-HO4 and O6-HO6 are more efficient intramolecular hydrogen bonding donors than acceptors; (5) O1-HO1 and O6-HO6 are more efficient intermolecular hydrogen bonding acceptors than donors while hydroxyl groups O2-HO2 and O4-HO4 are more efficient intermolecular hydrogen bonding donors than acceptors. The hydrogen bonding abilities of hydroxyl groups revealed that: (1) the hydrogen bonding ability of OH2-$H_w$ is larger than that of hydroxyl groups in glucose; (2) among the hydroxyl groups in glucose, the hydrogen bonding ability of O6-HO6 is the largest and the hydrogen bonding ability of O4-HO4 is the smallest; (3) the intermolecular hydrogen bonding ability of O6-HO6 is the largest; (4) the order for intramolecular hydrogen bonding abilities (from large to small) is O2-HO2, O1-HO1, O3-HO3, O6-HO6 and O4-HO4.
Chen, Qilin,Yu, Xinjian,Chen, Jinxing,Liu, Yuequn,Weng, Jun,Xu, Chunhe Korean Society of Photoscience 2002 Journal of Photosciences Vol.9 No.2
The emission of microwave sulfur lamp is mainly composed of visible light. This lamp producing little infrared radiation, has high light efficiency, long lifespan and less power consumption. In comparison with xenon lamp, growing under sulfur lamp apparently postponed jointing, increased the number of tillers, accelerated root growth of wheat. Relatively, xenon lamp evidently promoted heading and grain maturation. The development characteristics of wheat plant under sulfur lamp were more similar with that in natural condition.
Bytedance: The Road to Success of a Global Influential Social Media Platforms Creator
Li-Chen Lim,Lee Leong-Weng,Lee Weng Yen,Huang Jie,Jastina Puteri Simandjoentak Academy of Asian Business (AAB) 2019 Academy of Asian Business Review Vol.5 No.2
Started an AI-powered news aggregation company in 2012, Bytedance has developed into a global technology enterprise with a valuation of over $75 billion dollar in less than 10 years. This case study analyzes Bytedance’s remarkable success that is rarely achieved by China’s tech giants. The great success of Bytedance can be attributed to its dedication of the founder, people and continuous innovation of the short video app, TikTok. Despite TikTok has reached global popularity, this short video app is criticized for causing smartphone addiction due to its content stickiness. At the same time, stiff competition from local competitors is forcing Bytedance to expand into other markets. The global expansion of Bytedance via the usage of the TikTok app did not go well after TikTok was criticized for spreading offensive content and fake news. Eventually, Bytedance has to address these prevailing challenges
Hsiu-Chen Chang,Chin-Song Lu,Wei-Da Chiou,Chiung-Chu Chen,Yi-Hsin Weng,Ya-Ju Chang 대한신경과학회 2018 Journal of Clinical Neurology Vol.14 No.2
Background and Purpose The effects of high-intensity cycling as an adjuvant therapy forearly-stage Parkinson’s disease (PD) were highlighted recently. However, patients experience difficultiesin maintaining these cycling training programs. The present study investigated the efficacyof cycling at a mild-to-moderate intensity in early-stage PD. Methods Thirteen PD patients were enrolled for 16 serial cycling sessions over a 2-month period. Motor function was assessed using the Unified Parkinson’s Disease Rating Scale part III(UPDRS III) and Timed Up and Go (TUG) test as primary outcomes. The Montreal CognitiveAssessment (MoCA), modified Hoehn and Yahr Stage (mHYS), total UPDRS, Falls EfficacyScale, New Freezing of Gait Questionnaire, Schwab and England Activities of Daily Living, 39-item Parkinson’s Disease Questionnaire, Patient Global Impression of Change, and gait performancewere assessed as secondary outcomes. Results The age and the age at onset were 59.67±7.24 and 53.23±10.26 years (mean±SD), respectively. The cycling cadence was 53.27±8.92 revolutions per minute. The UPDRS III scoreimproved significantly after 8 training sessions (p=0.011) and 16 training sessions (T2) (p=0.001) in the off-state, and at T2 (p=0.004) in the on-state compared to pretraining (T0). TheTUG duration was significantly shorter at T2 than at T0 (p<0.05). The findings of MoCA, totalUPDRS, double limb support time, and mHYS (in both the off- and on-states) also improvedsignificantly at T2. Conclusions Our pioneer study has demonstrated that a low-intensity progressive cycling exercisecan improve motor function in PD, especially akinesia. The beneficial effects were similarto those of high-intensity rehabilitation programs.
IPO Underwriting and Subsequent Lending
Hsuan-Chi Chen,Li-Ping Chen,Keng-Yu Ho,Pei-Shih Weng 한국재무학회 2012 한국재무학회 학술대회 Vol.2012 No.09
This study investigates the relation between IPO underwriting and subsequent lending. We find that when a bank underwrites a firm’s IPO, the bank is more likely to provide the issuer with future loans at a lower cost, compared to banks without an IPO underwriting relationship. The evidence also suggests that the underwriting banks share information surplus with the IPO firms in the post-IPO loans, supporting the cost-saving hypothesis. Finally, when borrowing firms are more satisfied with the IPO outcomes, they are more likely to retain their underwriting banks as subsequent lenders. We find no evidence that underwriting banks would exploit such satisfaction by charging higher interest rates in the post-IPO loans.
Combined Assessment of Serum Alpha-Synuclein and Rab35 is a Better Biomarker for Parkinson’s Disease
Hung-Li Wang,Chin-Song Lu,Tu-Hsueh Yeh,Yu-Ming Shen,Yi-Hsin Weng,Ying-Zu Huang,Rou-Shayn Chen,Yu-Chuan Liu,Yi-Chuan Cheng,Hsiu-Chen Chang,Ying-Ling Chen,Yu-Jie Chen,Yan-Wei Lin,Chia Chen Hsu,Huang-Li 대한신경과학회 2019 Journal of Clinical Neurology Vol.15 No.4
Background and Purpose It is essential to develop a reliable predictive serum biomarker for Parkinson’s disease (PD). Te accumulation of alpha-synuclein (αSyn) and up-regulated expression of Rab35 participate in the etiology of PD. Te purpose of this investigation was to determine whether the combined assessment of serum αSyn and Rab35 is a useful predictive biomarker for PD. Methods Serum levels of αSyn or Rab35 were determined in serum samples from 59 sporadic PD patients, 19 progressive supranuclear palsy (PSP) patients, 20 multiple system atrophy (MSA) patients, and 60 normal controls (NC). Receiver operating characteristics (ROC) curves were calculated to determine the diagnostic accuracy of αSyn or/and Rab35 in discriminating PD patients from NC or atypical parkinsonian patients. Results The levels of αSyn and Rab35 were increased in PD patients. The serum level of Rab35 was positively correlated with that of αSyn in PD patients. Compared to analyzing αSyn or Rab35 alone, the combined analysis of αSyn and Rab35 produced a larger area under the ROC curve and performed better in discriminating PD patients from NC, MSA patients, or PSP patients. When age was dichotomized at 55, 60, 65, or 70 years, the combined assessment of αSyn and Rab35 for classifying PD was better in the group below the cutof age than in the group above the cutof age. Conclusions Combined assessment of serum αSyn and Rab35 is a better biomarker for discriminating PD patients from NC or atypical parkinsonian patients, and is a useful predictive biomarker for younger sporadic PD patients.