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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.
Man Zhang,Su‑Su Li,Qiao‑Mei Xie,Jian‑Hua Xu,Xiu‑Xiu Sun,Fa‑Ming Pan,Sheng‑Qian Xu,Sheng‑Xiu Liu,Jin‑Hui Tao,Shuang Liu,Jing Cai,Pei‑Ling Chen,Long Qian,Chun‑Huai Wang,Chun‑Mei Liang,Hai‑Liang Huang,Ha 한국유전학회 2018 Genes & Genomics Vol.40 No.10
Although the current glucocorticoids (GCs) treatment for systemic lupus erythematosus (SLE) is effective to a certain extent, the difference in therapeutic effect between patients is still a widespread problem. Some patients can have repeated attacks that greatly diminish their quality of life. This study was conducted to investigate the relationship between HSP90AA2 polymorphisms and disease susceptibility, GCs efficacy and health-related quality of life (HRQoL) in Chinese SLE patients. A case–control study was performed in 470 SLE patients and 470 normal controls. Then, 444 patients in the case group were followed up for 12 weeks to observe efficacy of GCs and improvement of HRQoL. Two single nucleotide polymorphisms (SNPs) of HSP90AA2 were selected for genotyping: rs1826330 and rs6484340. HRQoL was assessed using the SF-36 questionnaire. The minor T allele of rs1826330 and the TT haplotype formed by rs1826330 and rs6484340 showed associations with decreased SLE risk (T allele: PBH = 0.022; TT haplotype: PBH = 0.033). A significant association between rs6484340 and improvement of HRQoL was revealed in the follow-up study. Five subscales of SF-36 were appeared to be influenced by rs6484340: total score of SF-36 (additive model: PBH = 0.026), physical function (additive model: PBH = 0.026), rolephysical (recessive model: PBH = 0.041), mental health (dominant model: PBH = 0.047), and physical component summary (additive model: PBH = 0.026). No statistical significance was found between HSP90AA2 gene polymorphisms and GCs efficacy. These results revealed a genetic association between HSP90AA2 and SLE. Remarkably, HSP90AA2 has an impact on the improvement of HRQoL in Chinese population with SLE.
Chung, Moon-Soo,Huang, Ping,Ha, Chan-Man,Jun, Ji-Hyung,Ahn, Sung-Ju,Zhang, Fu-Chun,Bae, Hyun-Jong,Cho, Baik-Ho,Kim, Cheol-Soo 한국식물학회 2011 Journal of Plant Biology Vol.54 No.1
We carried out functional analysis of a putative novel Arabidopsis plasma membrane glucose-responsive regulator, designated AtPGR, which contains seven predicted transmembrane domains. Several evidences showed that AtPGR is a glucose-related protein, but its biological functions have yet to be reported in any plant. Analyses of the AtPGR promoter-${\beta}$-glucuronidase (GUS) construct and RNA in situ hybridization revealed substantial gene expression in the vasculature of various tissues, especially in the phloem region. Glucose treatment induced the highest levels of GUS activity, reaching a peak at 3 h and declining thereafter, consistent with glucose-mediated regulation of the AtPGR promoter. We generated an atpgr RNAi knockdown mutant and found that this plant grew and developed normally. Ectopic expression of AtPGR gene modulated the induction of glucose and 2-deoxyglucose insensitivity under stress conditions. By way of contrast, cotyledon greening of atpgr RNAi knockdown mutant seeds enhanced sensitivity to glucose and 2-deoxyglucose. Taken together, these results suggest that AtPGR functions as a potential glucoseresponsive regulator in carbohydrate metabolism.
Predictors of Positive Bone Metastasis in Newly Diagnosed Prostate Cancer Patients
Chien, Tsu-Ming,Lu, Yen-Man,Geng, Jiun-Hung,Huang, Tsung-Yi,Ke, Hung-Lung,Huang, Chun-Nung,Li, Ching-Chia,Chou, Yii-Her,Wu, Wen-Jeng,Huang, Shu-Pin Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.3
Background: The prevalence of prostate cancer (PCa) has been increasing in recent years. Treatment strategies are largely based on the results of bone scan screening. Therefore, our aim was to investigate predictors of positive bone metastasis in newly diagnosed PCa patients. Materials and Methods: After extensive review, 336 consecutive patients newly diagnosed with PCa between April 2010 and November 2013 at our institution were enlisted in the study. Patients were divided into two groups according to bone scan results. Univariate analyses (Chi-square test for discrete variables and independent t-test for continuous variables) were applied to determine the potentially significant risk factors associated with distant bone metastasis. Binary logistic regression analyses were used to further investigate the influence of these factors on bone metastasis. Results: The patient mean age was $71.9{\pm}8.6years$ (range: 48 to 94 years). The mean prostate specific antigen (PSA) level and biopsy Gleason score were $260.2{\pm}1107.8ng/mL$ and $7.4{\pm}1.5$, respectively. The body mass index (BMI) for the series was $24.5{\pm}3.4kg/m^2$. Sixty-four patients (19.0%) had a positive bone scan result. Patients with positive bone scan results had a significantly lower BMI ($23.3{\pm}3.5$ vs. $24.8{\pm}3.3$; p=0.003), a higher Gleason score ($8.5{\pm}1.1$ vs. $7.1{\pm}1.5$; p < 0.001), and a higher PSA level ($1071.3{\pm}2337.1$ vs. $69.4{\pm}235.5$; p < 0.001) than those without bone metastasis. Multivariate logistic regression analysis employing the above independent predictors demonstrated that a Gleason score of ${\geq}7$, clinical stage ${\geq}T3$, $BMI{\leq}22kg/m^2$, and an initial PSA level of ${\geq}20ng/mL$ were all independent predictors of bone metastasis. Conclusions: A bone scan might be necessary in newly diagnosed PCa patients with any of the following criteria: clinical stage T3 or higher, a Gleason score of 7 or higher, BMI equal to or less than 22, and a PSA level of 20 or higher.
Antioxidative and Hepatoprotective Effects of Magnolol on Acetaminophen-induced Liver Damage in Rats
Yung-Hsiang Chen,Feng-Yen Lin,Po-Len Liu,Yi-Tsau Huang,Jen-Hwey Chiu,Yi-Chun Chang,Kee-Ming Man,Chuang-Ye Hong,Yen-Yi Ho,Ming-Tsung Lai 대한약학회 2009 Archives of Pharmacal Research Vol.32 No.2
Acute liver failure (ALF), an often fatal condition characterized by massive hepatocyte necrosis, is frequently caused by drug poisoning, particularly with acetaminophen (N-acetyl-p-aminophenol/APAP). Hepatocyte necrosis is consecutive to glutathione (GSH) depletion and mitochondrial damage caused by reactive oxygen species (ROS) overproduction. Magnolol, one major phenolic constituent of Magnolia officinalis, have been known to exhibit potent antioxidative activity. In this study, the anti-hepatotoxic activity of magnolol on APAP-induced toxicity in the Sprague-Dawley rat liver was examined. After evaluating the changes of several biochemical parameters in serum, the levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), and lactate dehydrogenase (LDH) were elevated by APAP (500 mg/kg) intraperitoneal administration (8 and 24 h) and reduced by treatment with magnolol (0.5 h after APAP administration; 0.01, 0.1, and 1 μg/kg). Histological changes around the hepatic central vein, lipid peroxidation (thiobarbituric acid-reactive substance/TBARS), and GSH depletion in liver tissue induced by APAP were also recovered by magnolol treatment. The data show that oxidative stress followed by lipid peroxidation may play a very important role in the pathogenesis of APAP-induced hepatic injury; treatment with lipid-soluble antioxidant, magnolol, exerts anti-hepatotoxic activity. Our study points out the potential interest of magnolol in the treatment of toxic ALF.
Xin Zhang,Bin Zhang,Ming Juan Li,Xu Ming Yin,Li Fang Huang,Yan Chun Cui,Man Ling Wang,Xin Jie Xia 한국식물학회 2016 Journal of Plant Biology Vol.59 No.3
Zinc nger proteins (ZFPs) play important roles in plant responses to biotic and abiotic stresses. Through microarray analysis, an Oryza sativa L. multi-stress-responsive gene, OsMSR15, was identied and subsequently cloned from rice Pei’ai 64S (Oryza sativa L.). Expression of OsMSR15 was strongly up-regulated by cold, drought and heat stresses in different tissues at different developmental stages of rice. OsMSR15 contains two C2H2-type zinc nger motifs, a nuclear localization signal (B box), a Leu-rich domain (L-box) and a conserved EAR-motif close to its C-terminus. The OsMSR15-GFP fusion protein was localized to the nucleus. Yeast-one hybrid assay showed that OsMSR15 possesses transcriptional activation ability. Expression of OsMSR15 in Arabidopsis conferred drought tolerance, and transgenic plants showed hypersensitivity to exogenous ABA during the seed germination and post-germination stages. Transgenic plants also showed higher levels of free proline, less electrolyte leakage and increased expressions of a number of stress-responsive genes, including LEA3, RD29A, DREB1A and P5CS1 under drought stress. The obtained results indicate that OsMSR15 is an important regulator involved in plant response to drought stress.
Photon-beam-position-monitor in PLS Diagnostic Beamline
Kim, Changbum,Yoon, Jong Chel,Kim, Seung-nam,Kim, Myong-jin,Kim, Hee Seob,Ryu, Chun Kil,Lee, Chae-soon,Seo, In Deuk,Park, Chongdo,Lee, Hae Cheol,Hong, Man-soo,Huang, Jung-Yun,Han, Yeongjin,Park, Jaehu Korean Physical Society 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.6