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https://www.readbyqxmd.com/read/28724195/thyroxin-use-is-associated-with-increased-risk-of-thyroid-cancer-in-patients-with-hypothyroidism
#1
Shih-Han Hung, Shiu-Dong Chung, Herng-Ching Lin
Despite evidence linking thyroxin use and breast cancer, little is known regarding the risk of other cancers with thyroxin use. The purpose of this case-control study was to evaluate the association of thyroid cancer with primary hypothyroidism based on a population-based database. The data for this case-control study were retrieved from the Taiwan Longitudinal Health Insurance Database 2005. We included 1285 patients with thyroid cancer as cases and 3855 sex- and age-matched subjects as controls. We used conditional logistic regression to examine the association of thyroid cancer with previously diagnosed hypothyroidism...
July 19, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28724133/a-nationwide-analysis-of-cost-variation-for-autologous-free-flap-breast-reconstruction
#2
Jessica I Billig, Yiwen Lu, Adeyiza O Momoh, Kevin C Chung
Importance: Cost variation among hospitals has been demonstrated for surgical procedures. Uncovering these differences has helped guide measures taken to reduce health care spending. To date, the fiscal consequence of hospital variation for autologous free flap breast reconstruction is unknown. Objective: To investigate factors that influence cost variation for autologous free flap breast reconstruction. Design, Setting, and Participants: A secondary cross-sectional analysis was performed using the Healthcare Cost and Utilization Project National Inpatient Sample database from 2008 to 2010...
July 19, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28723962/surface-functionalization-specific-binding-of-coagulation-factors-by-zinc-oxide-nanoparticles-delays-coagulation-time-and-reduces-thrombin-generation-potential-in-vitro
#3
Jun-Young Yang, Jiyeong Bae, Ayoung Jung, Seonyeong Park, Seungtae Chung, Jihyun Seok, Hangsik Roh, Youngju Han, Jae-Min Oh, Soojung Sohn, Jayoung Jeong, Wan-Seob Cho
Zinc oxide nanoparticles (ZnO NPs) have many biomedical applications such as chemotherapy agents, vaccine adjuvants, and biosensors but its hemocompatibility is still poorly understood, especially in the event of direct contact of NPs with blood components. Here, we investigated the impact of size and surface functional groups on the platelet homeostasis. ZnO NPs were synthesized in two different sizes (20 and 100 nm) and with three different functional surface groups (pristine, citrate, and L-serine). ZnO NPs were incubated with plasma collected from healthy rats to evaluate the coagulation time, kinetics of thrombin generation, and profile of levels of coagulation factors in the supernatant and coronated onto the ZnO NPs...
2017: PloS One
https://www.readbyqxmd.com/read/28723634/synergistic-interaction-between-galectin-3-and-carcinoembryonic-antigen-promotes-colorectal-cancer-metastasis
#4
Keng-Liang Wu, Eng-Yen Huang, Wen-Ling Yeh, Chang-Chun Hsiao, Chung-Mou Kuo
In this study, we investigated the role of galectin-3 and carcinoembryonic antigen (CEA) in metastasis and survival of colorectal cancer (CRC) patients. CEA interacted with galectin-3 at the cell surface and cytoplasm of Caco2 and DLD1 CRC cells. Knocking down galectin-3 did not affect CEA expression in CRC cells. However, there was a dose-dependent increase in CRC cell migration upon addition of small amounts of exogenous CEA (≤1ng/ml). Galectin-3 knockdown blocked induction of CRC cell migration by CEA, suggesting interaction between galectin-3 and CEA was necessary for CRC cell migration...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723614/generating-a-robust-prediction-model-for-stage-i-lung-adenocarcinoma-recurrence-after-surgical-resection
#5
Yu-Chung Wu, Nien-Chih Wei, Jung-Jyh Hung, Yi-Chen Yeh, Li-Jen Su, Wen-Hu Hsu, Teh-Ying Chou
Lung cancer mortality remains high even after successful resection. Adjuvant treatment benefits stage II and III patients, but not stage I patients, and most studies fail to predict recurrence in stage I patients. Our study included 211 lung adenocarcinoma patients (stages I-IIIA; 81% stage I) who received curative resections at Taipei Veterans General Hospital between January 2001 and December 2012. We generated a prediction model using 153 samples, with validation using an additional 58 clinical outcome-blinded samples...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723276/can-an-app-help-identify-psychomotor-function-impairments-during-drinking-occasions-in-the-real-world-a-mixed-method-pilot-study
#6
Brian Suffoletto, Akash Goyal, Juan Carlos Puyana, Tammy Chung
BACKGROUND: Being able to measure the acute effects of alcohol consumption on psychomotor functions in natural settings could be useful in injury prevention interventions. This study examined the feasibility and acceptability of collecting app-based measures of information processing, working memory and gait stability during times of typical alcohol consumption among young adults. METHODS: Ten young adults (aged 21-26) with hazardous drinking completed a baseline assessment and ecological momentary assessments (EMA) on 4 consecutive Fridays and Saturdays, every hour from 8pm to 12am...
July 19, 2017: Substance Abuse
https://www.readbyqxmd.com/read/28722669/hydroxychloroquine-and-risk-of-cancer-in-patients-with-primary-sj%C3%A3-gren-syndrome-propensity-score-matched-landmark-analysis
#7
Yao-Fan Fang, Yen-Fu Chen, Ting-Ting Chung, Lai-Chu See, Kuang-Hui Yu, Shue-Fen Luo, Chang-Fu Kuo, Jenn-Haung Lai
Hydroxychloroquine inhibits systemic inflammation and autophagy and may thus have antineoplastic effects [1]. We investigated the effect of hydroxychloroquine on cancer risk in patients with primary Sjögren syndrome(pSS). We used the Taiwan National Health Insurance Database to compare cancer incidence between incident pSS patients with or without at least 6-month hydroxychloroquine use within a 1- or 3-year period. Propensity score matched landmark analysis was used. We included 4194 alive patients without cancer 1 year after pSS diagnosis from 2000 through 2005...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722609/differences-in-mortality-and-clinical-manifestations-of-dengue-hemorrhagic-fever-in-taiwan-in-different-years-a-comparison-for-cases-in-2014-and-2015-epidemics
#8
Ko Chang, Chung-Hao Huang, Ing-Kit Lee, Po-Liang Lu, Chun-Yu Lin, Tun-Chieh Chen, Ping-Chang Lai, Hsiao-Cheng Hsieh, Hsin-Liang Yu, Chih-Hsing Hung, Meng-Chieh Wu, Yi-Ying Chin, Chun-Chi Huang, Deng-Chyang Wu, Yen-Hsu Chen
People in southern Taiwan experienced two major dengue outbreaks in 2014 and 2015. The mortality and clinical features were very different between these 2 years. Dengue virus serotype 1 (DENV-1) caused epidemic outbreak in 2014 and DENV-2 was predominant in 2015. The characteristics of dengue hemorrhagic fever (DHF) cases in the 2 years was analyzed. We conducted a retrospective chart review to analyze the clinical and laboratory features of 206 adult patients with DHF in southern Taiwan in 2014 and 2015. The mortality rate of DHF cases in 2015 was higher than that of cases in 2014 (38...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722351/%C3%AE-mangostin-suppresses-human-hepatocellular-carcinoma-cell-invasion-through-inhibition-of-mmp-2-and-mmp-9-expression-and-activating-the-erk-and-jnk-pathways
#9
Chien-Feng Huang, Ying-Hock Teng, Fung-Jou Lu, Wen-Hung Hsu, Chia-Liang Lin, Chia-Chen Hung, Jai-Nien Tung, Yi-Hsien Hsieh, Chung-Jung Liu
β-mangostin is a dietary xanthone that has been reported to have the anticancer properties in some human cancer cell types. However, the antimetastatic effect and molecular mechanism of β-mangostin action in human hepatocellular carcinoma (HCC) cells remain unknown. In this study, we found that β-mangostin did not induce cytotoxicity in human HCC cells (SK-Hep-1, Huh-7 and HA22T/VGH cells). β-mangostin could inhibit migration and invasion of human HCC cells. Meanwhile, β-mangostin significantly decreased the protein activities and expression of matrix metalloproteinase (MMP)-2 and MMP-9 via increasing the activation of MEK1/2, ERK1/2, MEK4 and JNK1/2 signaling pathways...
July 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28721646/non-invasive-measures-of-coronary-microcirculation-taking-the-long-road-to-the-clinic
#10
EDITORIAL
Kieran S Chung, Patricia K Nguyen
Although coronary microvascular disease is now a well-recognized entity that is associated with significant morbidity and mortality, current non-invasive strategies cannot differentiate between coronary microvascular disease (CMD) and obstructive epicardial stenosis. While the evaluation of intramyocardial blood volume as a surrogate measure for microvascular health may have limited sensitivity in early-stage disease, this strategy does enable the diagnosis of CMD in the presence of concurrent epicardial disease, bringing us one step further toward improving the management of this disease...
July 18, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28721452/enhanced-efficacy-of-radiofrequency-ablation-for-hepatocellular-carcinoma-using-a-novel-vascular-disrupting-agent-ckd-516
#11
Su Jung Ham, YoonSeok Choi, Seul-I Lee, Jinil Kim, Young Il Kim, Jin Wook Chung, Kyung Won Kim
BACKGROUND: CKD-516 is a novel vascular disrupting agent that shuts down intratumoral blood flow. We therefore hypothesized that concomitant administration of CKD-516 would enhance the therapeutic efficacy of radiofrequency ablation (RFA) by reducing heat sink effects. We assessed the effects of the combination of CKD-516 and RFA in a rat orthotopic hepatocellular carcinoma (HCC) model. METHODS: Rat HCC cells (N1-S1) were engrafted into the hepatic lobe of Sprague-Dawley (SD) rats...
July 18, 2017: Hepatology International
https://www.readbyqxmd.com/read/28721038/toxicity-based-toxicokinetic-toxicodynamic-assessment-of-bioaccumulation-and-nanotoxicity-of-zerovalent-iron-nanoparticles-in-caenorhabditis-elegans
#12
Ying-Fei Yang, Yi-Jun Lin, Chung-Min Liao
Elucidating the relationships between the toxicity-based-toxicokinetic (TBTK)/toxicodynamic (TD) properties of engineered nanomaterials and their nanotoxicity is crucial for human health-risk analysis. Zerovalent iron (Fe(0)) nanoparticles (NPs) are one of the most prominent NPs applied in remediating contaminated soils and groundwater. However, there are concerns that Fe(0)NP application contributes to long-term environmental and human health impacts. The nematode Caenorhabditis elegans is a surrogate in vivo model that has been successfully applied to assess the potential nanotoxicity of these nanomaterials...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28721035/intracellular-interactions-of-umeclidinium-and-vilanterol-in-human-airway-smooth-muscle
#13
Nooreen Shaikh, Malcolm Johnson, David A Hall, Kian Fan Chung, John H Riley, Sally Worsley, Pankaj K Bhavsar
BACKGROUND: Intracellular mechanisms of action of umeclidinium (UMEC), a long-acting muscarinic receptor antagonist, and vilanterol (VI), a long-acting β2-adrenoceptor (β2R) agonist, were investigated in target cells: human airway smooth-muscle cells (ASMCs). MATERIALS AND METHODS: ASMCs from tracheas of healthy lung-transplant donors were treated with VI, UMEC, UMEC and VI combined, or control compounds (salmeterol, propranolol, ICI 118.551, or methacholine [MCh])...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28720772/blockade-of-axl-signaling-ameliorates-hpv16e6-mediated-tumorigenecity-of-cervical-cancer
#14
Eun-Hee Lee, Kon-Young Ji, Eun-Mi Kim, Su-Man Kim, Hyeong-Woo Song, Ha-Rim Choi, Byung Yeoup Chung, Hyo Jin Choi, Hyoung-Woo Bai, Hyung-Sik Kang
Axl receptor tyrosine kinase is involved in the tumorigenesis and metastasis of many cancers. Axl expression was markedly higher in human papilloma virus type 16E6 (HPV16E6)-overexpressing HeLa (HE6F) cells and lower in HPV16E6-suppressing CaSki (CE6R) cells than in the controls. SiRNA-mediated knockdown of E6 expression led to increased phosphatase and tensin homolog (PTEN) phosphorylation at Ser380 and attenuated AKT phosphorylation. Expression of membrane-associated guanylate kinase inverted-2 (MAGI-2), an E6-induced degradation target, was induced in E6-siRNA-transfected cells...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720720/comparison-of-prehospital-triage-and-five-level-triage-system-at-the-emergency-department
#15
Li-Heng Tsai, Chien-Hsiung Huang, Yi-Chia Su, Yi-Ming Weng, Chung-Hsien Chaou, Wen-Cheng Li, Chan-Wei Kuo, Chip-Jin Ng
OBJECTIVE: There is lack of scientific evidence regarding the effectiveness of prehospital triage systems. This study compared the two-level Taiwan Prehospital Triage System (TPTS) with the five-level Taiwan Triage and Acuity Scale (TTAS) at ED arrival regarding the prediction of patient outcomes and the utilisation of medical resources. DESIGN: This was a retrospective cohort study. Adult patients transported via the emergency medical service (EMS), who arrived at the ED of a medical centre in northern Taiwan during the study period were enrolled...
July 18, 2017: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/28720522/patients-with-non-ambulatory-cerebral-palsy-have-higher-sclerostin-levels-and-lower-bone-mineral-density-than-patients-with-ambulatory-cerebral-palsy
#16
Yoon-Kyum Shin, Young Kwon Yoon, Kyung Bae Chung, Yumie Rhee, Sung-Rae Cho
Bone loss is a serious clinical issue in patients with cerebral palsy (CP). Sclerostin has garnered interest as a key mechanosensor in osteocytes, leading to considerations of the therapeutic utilization of anti-sclerostin medications. This study was undertaken to determine associations among mechanical unloading, sclerostin levels, and bone imbalance in patients with CP. A total of 28 patients with CP participated in this cross-sectional study. The following measurements were taken: anthropometrics, clinical diagnosis of CP subtype and ambulatory status, bone mineral density (BMD) z-scores at the lumbar spine and hip, and blood biochemical markers, including sclerostin, parathyroid hormone (PTH), osteocalcin, C-terminal telopeptide, 25-hydroxyvitamin D, 1,25-dihydroxyvitamin D, creatinine, calcium, and phosphorus...
July 15, 2017: Bone
https://www.readbyqxmd.com/read/28720310/epithelial-membrane-protein-2-molecular-interactions-and-clinical-implications
#17
REVIEW
Lawrance K Chung, Nikhilesh S Bhatt, Carlito Lagman, Panayiotis E Pelargos, Yu Qin, Lynn K Gordon, Madhuri Wadehra, Isaac Yang
Epithelial membrane protein 2 (EMP2) is a cell surface protein that has recently emerged as an object of neuro-oncological interest due to its potential to be utilized as a biomarker and target for antibody therapies. Preclinical studies have demonstrated that EMP2 is associated with disease prognosis in a number of human cancers, including glioblastoma. The four large extracellular domains of EMP2 and its association with the extracellular matrix makes it an attractive target for future cancer therapies. Translational research suggests that EMP2 may be targeted with antibodies to improve tumor control and survival in a variety of murine models and cancer types...
July 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28720067/hpv16-e6-e7-upregulates-hif-2%C3%AE-and-vegf-by-inhibiting-lkb1-in-lung-cancer-cells
#18
Jian-Shuang Shao, Jian Sun, Shiyu Wang, Katherine Chung, Jin Tong Du, Jason Wang, Xue-Shan Qiu, En-Hua Wang, Guang-Ping Wu
Long-term persistent infection of HPV16 E6/E7 is frequently associated with lung cancers, especially in non-smokers and in Asians. However, molecular mechanisms of HPV16 E6/E7 induction of lung cancer are not fully understood. Using bi-directional genetic manipulation and four well-established lung cancer cell lines, we showed HPV16 E6/E7 downregulated expression of liver kinase B1 at both protein and messenger RNA levels; liver kinase B1 downregulated hypoxia-inducible factor 2α at protein level but not at messenger RNA level, and hypoxia-inducible factor 2α upregulated vascular endothelial growth factor at both protein and messenger RNA levels...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28719958/a-case-of-furuncular-myiasis-due-to-cordylobia-anthropophaga-in-a-korean-traveler-returning-from-uganda
#19
Su-Min Song, Shin-Woo Kim, Youn-Kyoung Goo, Yeonchul Hong, Meesun Ock, Hee-Jae Cha, Dong-Il Chung
A fly larva was recovered from a boil-like lesion on the left leg of a 33-year-old male on 21 November 2016. He has worked in an endemic area of myiasis, Uganda, for 8 months and returned to Korea on 11 November 2016. The larva was identified as Cordylobia anthropophaga by morphological features, including the body shape, size, anterior end, posterior spiracles, and pattern of spines on the body. Subsequent 28S rRNA gene sequencing showed 99.9% similarity (916/917 bp) with the partial 28S rRNA gene of C. anthropophaga...
June 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28719030/polygenic-risk-for-schizophrenia-and-neurocognitive-performance-in-patients-with-schizophrenia
#20
Shi-Heng Wang, Po-Chang Hsiao, Ling-Ling Yeh, Chih-Min Liu, Chen-Chung Liu, Tzung-Jeng Hwang, Ming H Hsieh, Yi-Ling Chien, Yi-Ting Lin, Sharon D Chandler, Stephen V Faraone, Nan Laird, Benjamin Neale, Steve A McCarroll, Stephen J Glatt, Ming T Tsuang, Hai-Gwo Hwu, Wei J Chen
Both neurocognitive deficits and schizophrenia are highly heritable. Genetic overlap between neurocognitive deficits and schizophrenia has been observed in both the general population and in clinical samples. This study aimed to examine if the polygenic architecture of susceptibility to schizophrenia modified neurocognitive performance in schizophrenia patients. Schizophrenia polygenic risk scores (PRS) were first derived from the Psychiatric Genomics Consortium (PGC) on schizophrenia, and then the scores were calculated in our independent sample of 1130 schizophrenia trios, who had PsychChip data and were part of the Schizophrenia Families from Taiwan project...
July 18, 2017: Genes, Brain, and Behavior
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