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( Po-yao Hsu ),( Yu-ju Wei ),( Jia-jung Lee ),( Sheng-wen Niu ),( Jiun-chi Huang ),( Cheng-ting Hsu ),( Tyng-yuan Jang ),( Ming-lun Yeh ),( Ching-i Huang ),( Po-cheng Liang ),( Yi-hung Lin ),( Ming-ye 대한간학회 2021 Clinical and Molecular Hepatology(대한간학회지) Vol.27 No.1
Background/Aims: Direct-acting antivirals (DAAs) have been approved for hepatitis C virus (HCV) treatment in patients with end-stage renal disease (ESRD) on hemodialysis. Nevertheless, the complicated comedications and their potential drug-drug interactions (DDIs) with DAAs might limit clinical practice in this special population. Methods: The number, class, and characteristics of comedications and their potential DDIs with five DAA regimens were analyzed among HCV-viremic patients from 23 hemodialysis centers in Taiwan. Results: Of 2,015 hemodialysis patients screened in 2019, 169 patients seropositive for HCV RNA were enrolled (mean age, 65.6 years; median duration of hemodialysis, 5.8 years). All patients received at least one comedication (median number, 6; mean class number, 3.4). The most common comedication classes were ESRD-associated medications (94.1%), cardiovascular drugs (69.8%) and antidiabetic drugs (43.2%). ESRD-associated medications were excluded from DDI analysis. Sofosbuvir/velpatasvir/voxilaprevir had the highest frequency of potential contraindicated DDIs (red, 5.6%), followed by glecaprevir/pibrentasvir (4.0%), sofosbuvir/ledipasvir (1.3%), sofosbuvir/velpatasvir (1.3%), and elbasvir/grazoprevir (0.3%). For potentially significant DDIs (orange, requiring close monitoring or dose adjustments), sofosbuvir/velpatasvir/voxilaprevir had the highest frequency (19.9%), followed by sofosbuvir/ledipasvir (18.2%), glecaprevir/pibrentasvir (12.6%), sofosbuvir/velpatasvir (12.6%), and elbasvir/grazoprevir (7.3%). Overall, lipid-lowering agents were the most common comedication class with red-category DDIs to all DAA regimens (n=62), followed by cardiovascular agents (n=15), and central nervous system agents (n=10). Conclusions: HCV-viremic patients on hemodialysis had a very high prevalence of comedications with a broad spectrum, which had varied DDIs with currently available DAA regimens. Elbasvir/grazoprevir had the fewest potential DDIs, and sofosbuvir/velpatasvir/voxilaprevir had the most potential DDIs. (Clin Mol Hepatol 2021;27:186-196)
Po-Hsun Wang,Hsu-Feng Lee,Yi-Chiang Huang,Yi-Jiun Jung,Fang-Lin Gong,Wen-Yao Huang 대한금속·재료학회 2014 ELECTRONIC MATERIALS LETTERS Vol.10 No.4
In the decision on the pros and cons of the optical and electrical properties of organic solar cells, the morphology has proven to be very important. Easy to change the morphology via adding a small amount of additive, because proton dissociation constant is the main reason for their application. In this study, the use of poly(3-hexylthiophene) and [6,6]-phenyl C61-butyric acid methyl ester as the donor and acceptor materials, and were subsequently doped with different quantity of 4,4'-sulfonyldiphenol, 4,4'-dihydroxybiphenyl, biphenyl-4,4'-dithiol. When the proton dissociation constant is higher and lower respectively, the morphology reveals earthworms-like and fiber-like. For the reason that when the additive is biphenyl-4,4'-dithiol, it can improve the power conversion efficiency of about 27% and the incident photon-to-current conversion efficiency of about 12%.
Huang, Po-Shun,Qin, Fen,Xiong, Ziye,Shim, Hyun-Woo,Gao, Tongchuan,Leu, Paul,Lee, Jung-Kun American Chemical Society 2017 ACS APPLIED MATERIALS & INTERFACES Vol.9 No.23
<P>A trade-off between the carrier concentration and carrier mobility is an inherent problem of traditional transparent conducting oxide (TCO) films. In this study, we demonstrate that the electron concentration of TCO films can be increased without deteriorating the carrier mobility by embedding Ag nanoparticles (NPs) into Al-doped ZnO (AZO) films. An increment of Ag NP content up to 0.7 vol % in the AZO causes the electron concentration rising to 4 × 10<SUP>20</SUP> cm<SUP>–3</SUP>. A dependence of the conductivity on temperature suggests that the energy barrier for the electron donation from Ag NPs at room temperature is similar to the Schottky barrier height at the Ag–AZO interface. In spite of an increase in the electron concentration, embedded Ag NPs do not compromise the carrier mobility at room temperature. This is evidence showing that this electron donation mechanism by Ag NPs is different from impurity doping, which produces both electrons and ionized scattering centers. Instead, an increase in the Fermi energy level of the AZO matrix partially neutralizes Al impurities, and the carrier mobility of Ag NP embedded AZO film is slightly increased. The optical transmittance of mixture films with resistivity less than 1 × 10<SUP>–3</SUP> Ω·cm still maintains above 85% in visible wavelengths. This opens a new paradigm to the design of alternative TCO composite materials which circumvent an inherent problem of the impurity doping.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/aamick/2017/aamick.2017.9.issue-23/acsami.7b03871/production/images/medium/am-2017-03871m_0011.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/am7b03871'>ACS Electronic Supporting Info</A></P>
Individual and common inhibitors of coronavirus and picornavirus main proteases
Kuo, Chih-Jung,Liu, Hun-Ge,Lo, Yueh-Kuei,Seong, Churl-Min,Lee, Kee-In,Jung, Young-Sik,Liang, Po-Huang Elsevier 2009 FEBS letters Vol.583 No.3
<P><B>Abstract</B></P><P>Picornaviruses (PV) and coronaviruses (CoV) are positive-stranded RNA viruses which infect millions of people worldwide each year, resulting in a wide range of clinical outcomes. As reported in this study, using high throughput screening against ∼6800 small molecules, we have identified several novel inhibitors of SARS-CoV 3CL<SUP>pro</SUP> with IC<SUB>50</SUB> of low μM. Interestingly, one of them equally inhibited both 3C<SUP>pro</SUP> and 3CL<SUP>pro</SUP> from PV and CoV, respectively. Using computer modeling, the structural features of these compounds as individual and common protease inhibitors were elucidated to enhance our knowledge for developing anti-viral agents against PV and CoV.</P>
Synthesis and Evaluation of Benzoquinolinone Derivatives as SARS-CoV 3CL Protease Inhibitors
Tae-Young Ahn,Chih-Jung Kuo,Hun-Ge Liu,하덕찬,Po-Huang Liang,Young-Sik Jung 대한화학회 2010 Bulletin of the Korean Chemical Society Vol.31 No.1
For the discovery of new antivirals against Severe Acute Respiratory Syndrome-coronavirus (SARS-CoV), we prepared and evaluated several benzoquinoline compounds as its 3C-like protease (3CLpro) inhibitors. Based on the computer modeling study that each of the two rigid benzoquinolinone and N-phenoltetrazole moieties of the compound 1 is bound to the S1 and S2 sites, respectively, of the SARS protease by forming H-bonds and hydrophobic interactions, we designed and synthesized alkylated benzoquinolines at both the sites of the hydroxyl groups. We found that the compound 2a showed five times higher inhibiting activity against the 3CLpro compared to the compound 1.
Mohsen Saffari,Kun-Chia Chang,Jung-Sheng Chen,Marc N. Potenza,Cheng-Fang Yen,Ching-Wen Chang,Po-Ching Huang,Hsin-Chi Tsai,Chung-Ying Lin 대한신경정신의학회 2023 PSYCHIATRY INVESTIGATION Vol.20 No.11
Objective Problematic use of social media (PUSM) may affect sleep quality and self-stigma in people with schizophrenia and consequently reduce their quality of life (QoL). This longitudinal study investigated if sleep quality and self-stigma mediated relationships between PUSM and QoL.Methods One-hundred-and-ninety-three outpatients with schizophrenia were recruited from a psychiatric center in Taiwan from April 2019 to August 2021 and participated in a longitudinal study at intervals of three months between measurements. QoL was assessed using the World Health Organization Quality of Life Questionnaire Brief Version; sleep quality using the Pittsburgh Sleep Quality Index; self-stigma using the Self-Stigma Scale-Short; and PUSM using the Bergen Social Media Addiction Scale. Via SPSS 20.0, general estimating equation models assessed temporal associations between variables. Via R software, mediating effects of self-stigma and sleep quality were examined through Monte Carlo simulations with 20,000 repetitions.Results Mean scores of physical, psychological, social and environmental QoL ranged from 11.86 to 13.02. Mean scores of sleep quality and self-stigma were 9.1±4.5 and 2.2±0.8, respectively. Sleep quality and self-stigma were directly related to QoL (p<0.001) and mediated indirect relationships between PUSM and all components of QoL with a range of 95% confidence intervals spanning from -0.0591 to -0.0107 for physical QoL; -0.0564 to -0.0095 for psychological QoL; -0.0292 to -0.0035 for social QoL; and -0.0357 to -0.0052 for environmental QoL.Conclusion Sleep quality and self-stigma mediated relationships between PUSM and QoL in people with schizophrenia. Developing interventions targeting PUSM, sleep, and self-stigma may help improve QoL in people with schizophrenia.
Synthesis and Evaluation of Benzoquinolinone Derivatives as SARS-CoV 3CL Protease Inhibitors
Ahn, Tae-Young,Kuo, Chih-Jung,Liu, Hun-Ge,Ha, Deok-Chan,Liang, Po-Huang,Jung, Young-Sik Korean Chemical Society 2010 Bulletin of the Korean Chemical Society Vol.31 No.1
For the discovery of new antivirals against Severe Acute Respiratory Syndrome-coronavirus (SARS-CoV), we prepared and evaluated several benzoquinoline compounds as its 3C-like protease (3CLpro) inhibitors. Based on the computer modeling study that each of the two rigid benzoquinolinone and N-phenoltetrazole moieties of the compound 1 is bound to the S1 and S2 sites, respectively, of the SARS protease by forming H-bonds and hydrophobic interactions, we designed and synthesized alkylated benzoquinolines at both the sites of the hydroxyl groups. We found that the compound 2a showed five times higher inhibiting activity against the 3CLpro compared to the compound 1.
Tsai Yu-Chen,Cheng Tai-Shan,Liao Hsiu-Jung,Chuang Ming-Hsi,Chen Hui-Ting,Chen Chun-Hung,Zhang Kai-Ling,Chang Chih-Hung,Lin Po-Cheng,Huang Chi-Ying F. 한국조직공학과 재생의학회 2022 조직공학과 재생의학 Vol.19 No.6
BACKGROUND: Extracellular vesicles (EVs) are derived from internal cellular compartments, and have potential as a diagnostic and therapeutic tool in degenerative disease associated with aging. Mesenchymal stem cells (MSCs) have become a promising tool for functional EVs production. This study investigated the efficacy of EVs and its effect on differentiation capacity. METHODS: The characteristics of MSCs were evaluated by flow cytometry and stem cell differentiation analysis, and a production mode of functional EVs was scaled from MSCs. The concentration and size of EVs were quantitated by Nanoparticle Tracking Analysis (NTA). Western blot analysis was used to assess the protein expression of exosomespecific markers. The effects of MSC-derived EVs were assessed by chondrogenic and adipogenic differentiation analyses and histological observation. RESULTS: The range of the particle size of adipose-derived stem cells (ADSCs)- and Wharton’s jelly -MSCs-derived EVs were from 130 to 150 nm as measured by NTA, which showed positive expression of exosomal markers. The chondrogenic induction ability was weakened in the absence of EVs in vitro. Interestingly, after EV administration, type II collagen, a major component in the cartilage extracellular matrix, was upregulated compared to the EV-free condition. Moreover, EVs decreased the lipid accumulation rate during adipogenic induction. CONCLUSION: The results indicated that the production model could facilitate production of effective EVs and further demonstrated the role of MSC-derived EVs in cell differentiation. MSC-derived EVs could be successfully used in cell-free therapy to guide chondrogenic differentiation of ADSC for future clinical applications in cartilage regeneration.
Association of AXIN1 With Parkinson’s Disease in a Taiwanese Population
Hwa-Shin Fang,Chih-Ying Chao,Chun-Chieh Wang,Wen-Lang Fan,Po-Jung Huang,Hon-Chung Fung,Yih-Ru Wu 대한파킨슨병및이상운동질환학회 2022 Journal Of Movement Disorders Vol.15 No.1
A meta-analysis of locus-based genome-wide association studies recently identified a relationship between AXIN1 and Parkinson’s disease (PD). Few studies of Asian populations, however, have reported such a genetic association. The influences of rs13337493, rs758033, and rs2361988, three PD-associated genetic variants of AXIN1, were investigated in the present study because AXIN1 is related to Wnt/β-catenin signaling.