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Hung-Chun Fu,Jen-Ruei Chen,Min-Yu Chen,Keng-Fu Hsu,Wen-Fang Cheng,An Jen Chiang,Yu-Min Ke,Yu-Chieh Chen,Yin-Yi Chang,Chia-Yen Huang,Chieh-Yi Kang,Yuan-Yee Kan,Sheng-Mou Hsiao,Ming-Shyen Yen 대한부인종양학회 2018 Journal of Gynecologic Oncology Vol.29 No.5
Objective: Choice of hysterectomy and adjuvant treatment for International Federation of Gynecology and Obstetrics (FIGO) 2009 stage II endometrioid endometrial cancer (EEC) is still controversial. Aims of this study were to evaluate survival benefits and adverse effects of different hysterectomies with or without adjuvant radiotherapy (RT), and to identify prognostic factors. Methods: The patients at 14 member hospitals of the Taiwanese Gynecologic Oncology Group from 1992 to 2013 were retrospectively investigated. Patients were divided into simple hysterectomy (SH) alone, SH with RT, radical hysterectomy (RH) alone, and RH with RT groups. Endpoints were recurrence-free survival (RFS), overall survival (OS), disease-specific survival (DSS), adverse effects and prognostic factors for survival. Results: Total of 246 patients were enrolled. The 5-year RFS, OS, DSS and recurrence rates for the entire cohort were 89.5%, 94.3%, 96.2% and 10.2%, respectively. Patients receiving RH had more adverse effects including blood loss (p<0.001), recurrent urinary tract infections (p=0.013), and leg lymphedema (p=0.038). Age over 50-year (HR=9.2; 95% confidence interval [CI], 1.2–70.9) and grade 3 histology (HR=7.28; 95% CI, 1.45–36.6) were independent predictors of OS. Grade 3 histology was an independent predictor of RFS (HR=5.13; 95% CI, 1.38–19.1) and DSS (HR=5.97; 95% CI, 1.06–58.7). Patients receiving adjuvant RT had lower locoregional recurrence (p=0.046), but no impact on survival. Conclusion: Different treatment modalities yield similar survival outcomes. Patients receiving SH with RT had lower locoregional recurrent with acceptable morbidity. Age and tumor grading remained significant predictors for survival among patients with FIGO 2009 stage II EEC.
Han-Chun Hung,Chien-Wei Feng,Yen-You Lin,Chun-Hong Chen,Kuan-Hao Tsui,Wu-Fu Chen,Chieh-Yu Pa,Jyh-Horng Sheu,Chun-Sung Sung,Zhi-Hong Wen 생화학분자생물학회 2018 Experimental and molecular medicine Vol.50 No.-
Atopic dermatitis (AD) is a chronic inflammatory skin disease, and its prevalence is increasing. AD usually elicits skin barrier dysfunction, dry skin and itching. As the mechanisms of AD remain unknown, there is an urgent need to find effective therapies. Because of the diversity and complexity of marine environments, the discovery of drugs from marine organisms as novel therapeutic agents for human diseases has seen renewed interest. Dihydroaustrasulfone alcohol (WA-25), the synthetic precursor of austrasulfone, which is a natural product isolated from a Formosan soft coral, has been shown to possess many therapeutic effects in our previous studies. However, the detailed mechanisms and therapeutic effects of WA-25 on AD are incompletely understood. We performed in vitro and in vivo studies to examine the effects of WA-25 on AD. We showed that WA-25 blocks inflammation and oxidative stress. Simultaneously, we also found that WA-25 reduces the AD scores and AD-induced transepidermal water loss (TEWL), scratching behavior, and alloknesis. WA-25 is more effective in cases of AD than are the drugs that are currently used clinically. Importantly, we also found that when nucleophosmin (NPM) was inhibited or when its expression was reduced, the anti-inflammatory and anti-AD effects of WA-25 were blocked. These data suggest that NPM plays dual roles in inflammation and AD. Overall, these results suggest that WA-25 is a potential anti-inflammatory and AD therapeutic agent that is modulated by NPM.
Chun-Chieh Fu,Hai Nguyen Tran,Xing-Han Chen,Ruey-Shin Juang 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.83 No.-
In this study, novel polyethylenimine (PEI)-grafted chitosan (CS) core-shell (called as Fe3O4/CS/PEI)magnetic nanoparticles were synthesized and applied for adsorbing phosphate in water. The magneticand physicochemical properties of as-synthesized nanoparticles werefirst analyzed by means of asuperconducting quantum interference device, X-ray diffractometer, X-ray photoelectron spectroscope,Fourier-transform infrared spectroscope, transmission electron microscope, zeta potential analyzer, andnitrogen sorptiometer. The followed experiments indicated that the amount of phosphate adsorbedincreased with increasing equilibrium pH to near 4.0 and then decreased when the pH was furtherincreased. The adsorption isotherms of phosphate on Fe3O4/CS/PEI particles were wellfit by the Langmuirequation, and its maximum adsorption was 48.2 mg g 1 at an equilibrium pH of 3.0 and 25 C. Theprimary mechanism for phosphate adsorption on Fe3O4/CS/PEI particles was electrostatic attraction. Thepreferential adsorption of phosphate in the presence of other excess anions including chloride, nitrate,carbonate, and sulfate was presented. Under the conditions studied, more than 90% of phosphate wasdesorbed from the laden Fe3O4/CS/PEI particles by 0.05 mol L 1 of NaOH solution. The remainedadsorption efficiency obtained in thefive-cycle reusability tests has demonstrated the promisingapplication potential of Fe3O4/CS/PEI particles.
An Efficient Parallel Machine Learning-based Blockchain Framework
Chun-Wei Tsai,Yi-Ping Chen,Tzu-Chieh Tang,Yu-Chen Luo 한국통신학회 2021 ICT Express Vol.7 No.3
The unlimited possibilities of machine learning have been shown in several successful reports and applications. However, how to make sure that the searched results of a machine learning system are not tampered by anyone and how to prevent the other users in the same network environment from easily getting our private data are two critical research issues when we immerse into powerful machine learning-based systems or applications. This situation is just like other modern information systems that confront security and privacy issues. The development of blockchain provides us an alternative way to address these two issues. That is why some recent studies have attempted to develop machine learning systems with blockchain technologies or to apply machine learning methods to blockchain systems. To show what the combination of blockchain and machine learning is capable of doing, in this paper, we proposed a parallel framework to find out suitable hyperparameters of deep learning in a blockchain environment by using a metaheuristic algorithm. The proposed framework also takes into account the issue of communication cost, by limiting the number of information exchanges between miners and blockchain.
The Presence of Borrelia valaisiana-Related Genospecies in Ticks and a Rodent in Taiwan
Chun-Man Huang,Hsi-Chieh Wang,Ying-Chun Lin,Shih-Hui Chiu,Ying-Shun Kao,Pei-Lung Lee,Hsiu-I Wang,Ruei-Chen Hung,Huang-I Chan,Ho-Sheng Wu,Chuen-Sheue Chiang,Jung-Jung Mu 한국미생물학회 2010 The journal of microbiology Vol.48 No.6
A field survey was conducted to investigate the presence of Borrelia burgdorferi sensu lato (s.l.) in six counties of Taiwan. Spirochetes were successfully isolated from one rodent ear sample out of 485 rodent ears and 53live, fed tick (Ixodes granulatus) samples. The spirochetes were confirmed to be B. burgdorferi s.l. by real-time PCR. In addition, 23 of 113 tick samples were tested positive for Borrelia DNA according to real-time PCR. The Borrelia isolate from the rodent and the 23 Borrelia DNA samples from the ticks were identified as B. valaisiana-related genospecies by phylogenetic analysis based on flagellin gene sequences. These findings suggest that the Borrelia valaisiana-related strains are maintained in a zoonotic cycle between tick vectors and reservoir hosts in Taiwan.
Acoustic Emission Monitoring of Grinding-Polishing of Extra-Low Dispersion Lens
Chun-Wei Liu,Hong-Chang Chen,Shih-Chieh Lin 한국정밀공학회 2023 International Journal of Precision Engineering and Vol.24 No.1
In this study, acoustic emission (AE) was adopted to monitor the grinding–polishing process of extra-low dispersion (ED) lens. S-FPL51, a raw material of ED lens, exhibits extraordinary optical properties such as high Abbe numbers and low dispersion. However, processing S-FPL51 is difficult because of its mechanical properties such as low hardness and high wear abrasion, which make the adjustment of the lens thickness difficult, and the lens are scratched easily. Therefore, an AE sensor was employed to monitor the grinding–polishing process because of its high sensitivity to material removal. Furthermore, several experiments were conducted to establish a relation between grinding–polishing parameters, such as pressure, rotating speed, root mean square (RMS) value of AE signals, and material removal rate (MRR). The results indicated that MRR is strongly correlated to the RMS of AE signals. Subsequently, several MRR models were derived based on the experimental data, and an AE signal term was introduced into the modified Preston equation to estimate MRR. Moreover, the results indicated the AE sensor to be a potential tool for monitoring the grinding–polishing process of optical lens.
Tazarotene-Induced Gene 1 Interacts with DNAJC8 and Regulates Glycolysis in Cervical Cancer Cells
Chun-Hua Wang,Rong-Yaun Shyu,Chang-Chieh Wu,Mao-Liang Chen,Ming-Cheng Lee,Yi-Yin Lin,Lu-Kai Wang,Shun-Yuan Jiang,Fu-Ming Tsai 한국분자세포생물학회 2018 Molecules and cells Vol.41 No.6
The tazarotene-induced gene 1 (TIG1) protein is a retinoid-inducible growth regulator and is considered a tumor suppressor. Here, we show that DnaJ heat shock protein family member C8 (DNAJC8) is a TIG1 target that regulates glycolysis. Ectopic DNAJC8 expression induced the translocation of pyruvate kinase M2 (PKM2) into the nucleus, subsequently inducing glucose transporter 1 (GLUT1) expression to promote glucose uptake. Silencing either DNAJC8 or PKM2 alleviated the upregulation of GLUT1 expression and glucose uptake induced by ectopic DNAJC8 expression. TIG1 interacted with DNAJC8 in the cytosol, and this interaction completely blocked DNAJC8-mediated PKM2 translocation and inhibited glucose uptake. Furthermore, increased glycose uptake was observed in cells in which TIG1 was silenced. In conclusion, TIG1 acts as a pivotal repressor of DNAJC8 to enhance glucose uptake by partially regulating PKM2 translocation.
Yun-Chieh Tsai,Yu-Chen Lin,Chun-Chih Huang,Oliver B. Villaflores,Tzong-Yuan Wu,Shih-Ming Huang,Ting-Yu Chin 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.5
Aging and lifestyle factors, including high-sugar and high-fat diets, promote a systemic metabolic imbalance that promotes neurodegeneration. Hericium erinaceus has long been used in traditional Chinese medicine. Recently, its functional activities, such as antimetabolic dysfunction, antineuroinflammatory activities, and stimulation of nerve growth factor (NGF) synthesis, have been revealed. This study demonstrated that Hericium erinaceus mycelium (HEM) and an isolated diterpenoid derivative, erinacine A (EA), may reverse spatial learning disabilities in aging mice (15 months old) fed with a high-fat and high-sucrose diet (HFSD). Aging mice were randomly assigned to one of four treatment groups: (1) a chow diet (control), (2) an HFSD, and an HFSD supplemented with either (3) HEM or (4) EA for 18 weeks. The Morris water maze (MWM) and Y-maze were used for behavioral assessments. Both HEM- and EA-treated mice had shorter mean daily escape latencies than HFSD-treated mice in the MWM. In addition, HEM-treated mice had a slightly increased exploratory time and frequency in the novel arm in the Y-maze. Quantitative PCR revealed that both HEM- and EA-treated mice exhibited reduced messenger RNA (mRNA) expression of tumor necrosis factor-α, interleukin-1β, and HEM-treated mice exhibited increased mRNA expression of NGF and NeuN in the hippocampus. Moreover, HEM and EA also decreased body weight, abdominal fat, plasma glucose, serum and liver total cholesterol, and liver triacylglycerol. Thus, HEM may be a potential health-promoting supplement for minimizing the progression of aging and obesity-induced neurodegeneration by reducing metabolic abnormalities and neuroinflammatory cytokines and increasing neurogenesis factors.