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https://www.readbyqxmd.com/read/28647567/stearoyl-coa-desaturase-regulates-sorafenib-resistance-via-modulation-of-er-stress-induced-differentiation
#1
Mark Kin Fai Ma, Eunice Yuen Ting Lau, Doris Hoi Wing Leung, Jessica Lo, Nicole Pui Yu Ho, Lily Kwan Wai Cheng, Stephanie Ma, Chi Ho Lin, John A Copland, Jin Ding, Regina Cheuk Lam Lo, Irene Oi Lin Ng, Terence Kin Wah Lee
We investigated the functional role and clinical significance of Stearoyl CoA desaturase-1 (SCD1) mediated endoplasmic reticulum (ER) stress in regulation of liver tumor-initiating cells (T-ICs) and sorafenib resistance, aiming to develop a novel therapeutic strategy against hepatocellular carcinomas (HCCs) METHODS We evaluated the clinic-pathological relevance of SCD1 and its correlation with sorafenib resistance in large cohorts of HCC clinical samples by qPCR and immunohistochemical analyses. Lentiviral-based overexpression and knockdown approaches were performed to characterize functional roles of SCD1 in regulation of liver T-ICs and sorafenib resistance...
June 21, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28647440/optimal-percutaneous-coronary-intervention-in-patients-with-st-elevation-myocardial-infarction-and-multivessel-disease-an-updated-large-scale-systematic-review-and-meta-analysis
#2
An Vu Nguyen, Le Van Thanh, Mohamed Gomaa Kamel, Sara Attia Mahmoud Abdelrahman, Mohamed El-Mekawy, Mohamed Ashraf Mokhtar, Aya Ashraf Ali, Nam Nguyen Nho Hoang, Nguyen Lam Vuong, Fatma Abd-Elshahed Abd-Elhay, Omer Abdelbagi Omer, Ahmed Abdou Mohamed, Kenji Hirayama, Nguyen Tien Huy
BACKGROUND: Our study aimed to compare three different percutaneous coronary intervention (PCI) approaches: culprit-only (COR) and complete (CR) revascularization - categorizing into immediate (ICR) or staged (SCR). METHODS: We searched 13 databases for randomized controlled trials. Articles were included if they compared at least two strategies. To have more studies in each analysis, an adjusted analysis was performed using person-years to incorporate follow-up durations and obtain pooled rate ratios (RR), with their corresponding 95% confidence interval...
June 11, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28647203/gene-therapy-for-leber-hereditary-optic-neuropathy-low-and-medium-dose-visual-results
#3
John Guy, William J Feuer, Janet L Davis, Vittorio Porciatti, Phillip J Gonzalez, Rajeshwari D Koilkonda, Huijun Yuan, William W Hauswirth, Byron L Lam
PURPOSE: To determine the effects of AAV2(Y444,500,730F)-P1ND4v2 in patients with Leber hereditary optic neuropathy (LHON). DESIGN: Prospective open-label, unilateral single-dose, intravitreal injection of AAV2(Y444,500,730F)-P1ND4v2 per participant. PARTICIPANTS: Fourteen patients with visual loss and mutated G11778A mitochondrial DNA. METHODS: Intravitreal injection with the gene therapy vector AAV2(Y444,500,730F)-P1ND4v2 into 1 eye...
June 21, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28647131/congenital-mydriasis-with-aortic-and-cerebrovascular-disease
#4
Sandi Lam, Carolina Guimaraes, Jeremy Y Jones
No abstract text is available yet for this article.
May 19, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28645861/protective-effect-of-lycium-barbarum-polysaccharides-on-dextromethorphan-induced-mood-impairment-and-neurogenesis-suppression
#5
Kevin Kai-Ting Po, Joseph Wai-Hin Leung, Jackie Ngai-Man Chan, Timothy Kai-Hang Fung, Dalinda Isabel Sánchez-Vidaña, Emily Lok-Lam Sin, Kwok-Fai So, Benson Wui-Man Lau, Andrew Man-Hong Siu
Dextromethorphan (DXM) is one of the common drugs abused by adolescents. It is the active ingredient found in cough medicine which is used for suppressing cough. High dosage of DXM can induce euphoria, dissociative effects and even hallucinations. Chronic use of DXM may also lead to depressive-related symptoms. Lycium barbarum, commonly known as wolfberry, has been used as a traditional Chinese medicine for the treatment of ageing-related neurodegenerative diseases. A recent study has shown the potential beneficial effect of Lycium barbarum to reduce depression-like behavior...
June 20, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28645252/statin-use-reduces-cardiovascular-events-and-all-cause-mortality-amongst-chinese-patients-with-type-2-diabetes-mellitus-a-5-year-cohort-study
#6
Colman Siu Cheung Fung, Eric Yuk Fai Wan, Anca Ka Chun Chan, Cindy Lo Kuen Lam
BACKGROUND: The benefit of statin on the management of Type 2 Diabetes Mellitus (T2DM) among Chinese patients in primary care is not clear nor fully implemented in clinical practice. This study aimed to evaluate and quantify the benefit of statin on the overall cardiovascular risk and all-cause mortality in patients with T2DM. METHODS: Uncomplicated diabetic patients with baseline low-density-lipoprotein cholesterol (LDL-C) > 2.6 mmol/L and without statin use before baseline in 2010 were followed-up for 5 years for cardiovascular disease (CVD) events and all-cause mortality...
June 24, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28645032/physiological-traits-and-antioxidant-metabolism-of-leaves-of-tropical-woody-species-challenged-with-cement-dust
#7
Advanio Inácio Siqueira-Silva, Eduardo Gusmão Pereira, José Pires de Lemos-Filho, Luzia Valentina Modolo, Elder Antonio Sousa Paiva
Tropical woody species occurring in limestone outcrops are frequently exposed to particulate material from cement factories. The effects of 60-day cement dust exposure on physiological traits and enzymatic antioxidant system of young plant leaves of Guazuma ulmifolia Lam., Myracrodruon urundeuva Allemão and Trichilia hirta L. were investigated. Cement dust (2.5 or 5mgcm(-2)) was applied to the leaf surface or soil or both (leaf plus soil) and plants were maintained at greenhouse. Cement dust barely affected the mineral nutrient levels, except for iron whose content was decreased in leaves/leaflets of all species studied...
June 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28644961/bisphenol-a-and-other-environmental-risk-factors-for-prostate-cancer-in-hong-kong
#8
Lap Ah Tse, Priscilla Ming Yi Lee, Wing Ming Ho, Augustine Tsan Lam, Man Kei Lee, Simon Siu Man Ng, Yonghua He, Ka-Sing Leung, Jennifer C Hartle, Howard Hu, Haidong Kan, Feng Wang, Chi Fai Ng
BACKGROUND: Environmental exposures are contributing factors to prostate cancer etiology, but these remain unclear. We aimed to document the associations between environmental risk factors and prostate cancer in Chinese, with special reference to bisphenol A (BPA). METHODS: We recruited 431 newly diagnosed prostate cancer cases and 402 age-matched controls from Prince of Wales Hospital in Hong Kong. We obtained each participant's clinical data and epidemiological information on chronic BPA exposure and other environmental risk factors (e...
June 20, 2017: Environment International
https://www.readbyqxmd.com/read/28644707/relationship-between-neurocognitive-function-and-clinical-symptoms-with-self-stigma-in-patients-with-schizophrenia-spectrum-disorders
#9
Sherry Kit Wa Chan, Shiao Yan Sharon Kao, Shing Lam Leung, Christy Lai Ming Hui, Edwin Ho Ming Lee, Wing Chung Chang, Eric Yu Hai Chen
BACKGROUND: Self-stigma is associated with poor outcomes of patients with schizophrenia and development of self-stigma is a complex process. Results of studies on relationship of both positive and negative symptoms of psychosis with self-stigma have been inconsistent. Cognitive deficits are common to patients. However, number of studies exploring the relationship specifically between self-stigma and neurocognition are limited. AIMS: The current study aimed to examine the relationship between neurocognitive functions and clinical symptoms with self-stigma...
June 23, 2017: Journal of Mental Health
https://www.readbyqxmd.com/read/28643407/childhood-exposure-to-constricted-living-space-a-possible-environmental-threat-for-myopia-development
#10
Kai Yip Choi, Wing Yan Yu, Christie Hang I Lam, Zhe Chuang Li, Man Pan Chin, Yamunadevi Lakshmanan, Francisca Siu Yin Wong, Chi Wai Do, Paul Hong Lee, Henry Ho Lung Chan
PURPOSE: People in Hong Kong generally live in a densely populated area and their homes are smaller compared with most other cities worldwide. Interestingly, East Asian cities with high population densities seem to have higher myopia prevalence, but the association between them has not been established. This study investigated whether the crowded habitat in Hong Kong is associated with refractive error among children. METHODS: In total, 1075 subjects [Mean age (S...
June 22, 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28643056/deep-neuromuscular-blockade-improves-surgical-conditions-during-low-pressure-pneumoperitoneum-laparoscopic-donor-nephrectomy
#11
D M D Özdemir-van Brunschot, A E Braat, M F P van der Jagt, G J Scheffer, C H Martini, J F Langenhuijsen, R E Dam, V A Huurman, D Lam, F C d'Ancona, A Dahan, M C Warlé
BACKGROUND: Evidence indicates that low-pressure pneumoperitoneum (PNP) reduces postoperative pain and analgesic consumption. A lower insufflation pressure may hamper visibility and working space. The aim of the study is to investigate whether deep neuromuscular blockade (NMB) improves surgical conditions during low-pressure PNP. METHODS: This study was a blinded randomized controlled multicenter trial. 34 kidney donors scheduled for laparoscopic donor nephrectomy randomly received low-pressure PNP (6 mmHg) with either deep (PTC 1-5) or moderate NMB (TOF 0-1)...
June 22, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28642783/ibor-regulates-photosynthesis-under-heat-stress-by-stabilizing-ibpsbp-in-sweetpotato
#12
Le Kang, Ho S Kim, Young S Kwon, Qingbo Ke, Chang Y Ji, Sung-Chul Park, Haeng-Soon Lee, Xiping Deng, Sang-Soo Kwak
The Orange (Or) protein regulates carotenoid biosynthesis and environmental stress in plants. Previously, we reported that overexpression of the sweetpotato [Ipomoea batatas (L.) Lam] Or gene (IbOr) in transgenic Arabidopsis (referred to as IbOr-OX/At) increased the efficiency of photosystem II (PSII) and chlorophyll content after heat shock. However, little is known about the role of IbOr in PSII-mediated protection against abiotic stress. In this study, comparative proteomics revealed that expression of PsbP (an extrinsic subunit of PSII) is up-regulated in heat-treated IbOr-OX/At plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28642260/cigarette-smoke-disrupts-monolayer-integrity-by-altering-epithelial-cell-cell-adhesion-and-cortical-tension
#13
Kristine Nishida, Kieran A Brune, Nirupama Putcha, Pooja Mandke, Wanda K O'Neal, Danny Shade, Vasudha Srivastava, Menghen Wang, Hong Lam, Steven S An, M Bradley Drummond, Nadia N Hansel, Douglas N Robinson, Venkataramana K Sidhaye
Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity and mortality. Cigarette smoke (CS) drives disease development and progression. The epithelial barrier is damaged by CS with increased monolayer permeability. However, the molecular changes that cause this barrier disruption and the interaction between adhesion proteins and the cytoskeleton are not well defined. We hypothesized that CS alters monolayer integrity by increasing cell contractility and decreasing cell adhesion in epithelia...
June 22, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28641915/the-antimicrobial-spectrum-of-xeroform-%C3%A2
#14
David J Barillo, Anthony R Barillo, Sarah Korn, Kan Lam, Paul S Attar
INTRODUCTION/BACKGROUND: Xeroform(®) is a petrolatum-based fine mesh gauze containing 3% bismuth tribromophenate. Bismuth, similar to other metals, has antimicrobial properties. Xeroform(®) has been used for decades in burn and plastic surgery as a donor site dressing and as a covering for wounds or partial thickness burns. Despite this, the antimicrobial spectrum of Xeroform(®) remains largely unknown. We examined the in-vitro efficacy of Xeroform(®) against common burn pathogens using zone-of-inhibition methodology in a commercial research facility...
June 19, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28640216/a-branched-chain-amino-acid-related-metabolic-signature-characterizes-obese-adolescents-with-non-alcoholic-fatty-liver-disease
#15
Martina Goffredo, Nicola Santoro, Domenico Tricò, Cosimo Giannini, Ebe D'Adamo, Hongyu Zhao, Gang Peng, Xiaoqing Yu, Tukiet T Lam, Bridget Pierpont, Sonia Caprio, Raimund I Herzog
Dysregulation of several metabolite pathways, including branched-chain amino acids (BCAAs), are associated with Non-Alcoholic Fatty Liver Disease (NAFLD) and insulin resistance in adults, while studies in youth reported conflicting results. We explored whether, independently of obesity and insulin resistance, obese adolescents with NAFLD display a metabolomic signature consistent with disturbances in amino acid and lipid metabolism. A total of 180 plasma metabolites were measured by a targeted metabolomic approach in 78 obese adolescents with (n = 30) or without (n = 48) NAFLD assessed by magnetic resonance imaging (MRI)...
June 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28639692/the-role-of-mothers-child-based-worth-in-their-affective-responses-to-children-s-performance
#16
Florrie Fei-Yin Ng, Eva M Pomerantz, Shui-Fong Lam, Ciping Deng
This research examined whether American and Chinese mothers' tendencies to base their worth on children's performance contributes to their affective responses to children's performance. Study 1 used daily interviews to assess mothers' warmth (vs. hostility) and children's school performance (N = 197; Mage  = 12.81 years). In Study 2, such affect was observed in the laboratory following children's manipulated performance on cognitive problems (N = 128; Mage  = 10.21 years). The more mothers based their worth on children's performance, the more their warmth (vs...
June 22, 2017: Child Development
https://www.readbyqxmd.com/read/28638833/isolation-and-abiotic-stress-resistance-analyses-of-a-catalase-gene-from-ipomoea-batatas-l-lam
#17
Bin Yong, Xiaoyan Wang, Pan Xu, Haiyan Zheng, Xueting Fei, Zixi Hong, Qinqin Ma, Yuzhi Miao, Xianghua Yuan, Yusong Jiang, Huanhuan Shao
As an indicator of the antioxidant capability of plants, catalase can detoxify reactive oxygen species (ROS) generated by environmental stresses. Sweet potato is one of the top six most important crops in the world. However, its catalases remain largely unknown. In this study, a catalase encoding gene, IbCAT2 (accession number: KY615708), was identified and cloned from sweet potato cv. Xushu 18. It contained a 1479 nucleotides' open reading frame (ORF). S-R-L, Q-K-L, and a putative calmodulin binding domain were located at the C-terminus of IbCAT2, which suggests that IbCAT2 could be a peroxisomal catalase...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28637347/mechanisms-underlying-the-long-term-survival-of-the-monocot-dracaena-marginata-under-drought-conditions
#18
Radek Jupa, Roman Plichta, Zuzana Paschová, Nadezhda Nadezhdina, Roman Gebauer
Efficient water management is essential for the survival of vascular plants under drought stress. While interrelations among drought stress, plant anatomy and physiological functions have been described in woody dicots, similar research is very limited for non-palm arborescent and shrubby monocots despite their generally high drought tolerance. In this study, potted transplants of Dracaena marginata Lam. in primary growth stage were exposed to several short- and long-term drought periods. Continuous measurements of sap flow and stem diameter, the evaluation of capacitance and leaf conductance, the quantification of non-structural carbohydrates (NSC), and organ-specific anatomical analyses were performed to reveal the mechanisms promoting plant resistance to limited soil moisture...
June 14, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28637094/acclimation-responses-to-high-light-by-guazuma-ulmifolia-lam-malvaceae-leaves-at-different-stages-of-development
#19
Anderson Kikuchi Calzavara, Juliana Silva Rocha, Geovana Lourenço, Karina Sanada, Cristiano Medri, Edmilson Bianchini, José Antonio Pimenta, Renata Stolf-Moreira, Halley Caixeta Oliveira
The recomposition of deforested environments requires the prior acclimation of seedlings to full sun in nurseries. Seedlings can overcome excessive light either through the acclimation of pre-existing fully expanded leaves or through the development of new leaves that are acclimated to the new light environment. Here, we compared the acclimation capacity of mature (MatL, fully expanded at the time of transfer) and newly expanded leaves (NewL, expanded after the light shift) of Guazuma ulmifolia Lam. (Malvaceae) seedlings to high light...
June 21, 2017: Plant Biology
https://www.readbyqxmd.com/read/28636884/major-achievements-of-evidence-based-traditional-chinese-medicine-in-treating-major-diseases
#20
REVIEW
Jung Chao, Yuntao Dai, Robert Verpoorte, Wing Lam, Yung-Chi Cheng, Li-Heng Pao, Wei Zhang, Shilin Chen
A long history of use and extensive documentation of the clinical practices of traditional Chinese medicine resulted in a considerable number of classical preparations, which are still widely used. This heritage of our ancestors provides a unique resource for drug discovery. Already, a number of important drugs have been developed from traditional medicines, which in fact form the core of Western pharmacotherapy. Therefore, this article discusses the differences in drug development between traditional medicine and Western medicine...
June 18, 2017: Biochemical Pharmacology
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