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https://www.readbyqxmd.com/read/28732367/significantly-more-intense-pain-in-methadone-maintained-patients-who-are-addicted-to-nicotine
#1
Lian-Zhong Liu, Lin-Xiang Tan, Yan-Min Xu, Xue-Bing Liu, Wen-Cai Chen, Jun-Hong Zhu, Jin Lu, Bao-Liang Zhong
Pain and cigarette smoking are very common in heroin-dependent patients (HDPs) receiving methadone maintenance treatment (MMT) and both have substantial negative effects on HDPs' physical and mental health. Nevertheless, very few studies have assessed the relationship between the two in HDPs. This study examined the association between pain intensity and smoking in Chinese methadone-maintained HDPs. A total of 603 HDPs were consecutively recruited from three MMT clinics in Wuhan, China, and administered with a socio-demographic and drug use questionnaire, a smoking questionnaire concerning average number of cigarettes smoked daily and Heaviness of Smoking Index, and Zung's Self-rating Depression Scale...
July 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732354/influence-of-body-mass-index-on-postoperative-complications-after-thymectomy-in-myasthenia-gravis-patients
#2
Xu-Dong Liu, Ming-Rui Shao, Lei Sun, Lin Zhang, Xin-Shan Jia, Wen-Ya Li
OBJECTIVES: It is not clear whether being overweight or obese influences postoperative complications in myasthenia gravis (MG) patients. We retrospectively investigated an association between body mass index (BMI) and postoperative complications in MG. MATERIALS AND METHODS: Fifty-nine MG patients who had undergone transsternal thymectomy were classified as low or high BMI based on the criteria for Asian-Pacific populations. An association between BMI and complications was analyzed...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732343/an-ultrasensitive-electrochemical-biosensor-for-polynucleotide-kinase-assay-based-on-gold-nanoparticle-mediated-lambda-exonuclease-cleavage-induced-signal-amplification
#3
Lin Cui, Yueying Li, Mengfei Lu, Bo Tang, Chun-Yang Zhang
Polynucleotide kinase (PNK) plays an essential role in cellular nucleic acid metabolism and the cellular response to DNA damage. However, conventional methods for PNK assay suffer from low sensitivity and involve multiple steps. Herein, we develop a simply electrochemical method for sensitive detection of PNK activity on the basis of Au nanoparticle (AuNP)-mediated lambda exonuclease cleavage-induced signal amplification. We use [Ru(NH3)6](3+) as the electrochemically active indicator and design two DNA strands (i...
July 13, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28732268/validation-comparison-and-combination-of-algorithms-for-automatic-detection-of-pulmonary-nodules-in-computed-tomography-images-the-luna16-challenge
#4
Arnaud Arindra Adiyoso Setio, Alberto Traverso, Thomas de Bel, Moira S N Berens, Cas van den Bogaard, Piergiorgio Cerello, Hao Chen, Qi Dou, Maria Evelina Fantacci, Bram Geurts, Robbert van der Gugten, Pheng Ann Heng, Bart Jansen, Michael M J de Kaste, Valentin Kotov, Jack Yu-Hung Lin, Jeroen T M C Manders, Alexander Sóñora-Mengana, Juan Carlos García-Naranjo, Evgenia Papavasileiou, Mathias Prokop, Marco Saletta, Cornelia M Schaefer-Prokop, Ernst T Scholten, Luuk Scholten, Miranda M Snoeren, Ernesto Lopez Torres, Jef Vandemeulebroucke, Nicole Walasek, Guido C A Zuidhof, Bram van Ginneken, Colin Jacobs
Automatic detection of pulmonary nodules in thoracic computed tomography (CT) scans has been an active area of research for the last two decades. However, there have only been few studies that provide a comparative performance evaluation of different systems on a common database. We have therefore set up the LUNA16 challenge, an objective evaluation framework for automatic nodule detection algorithms using the largest publicly available reference database of chest CT scans, the LIDC-IDRI data set. In LUNA16, participants develop their algorithm and upload their predictions on 888 CT scans in one of the two tracks: 1) the complete nodule detection track where a complete CAD system should be developed, or 2) the false positive reduction track where a provided set of nodule candidates should be classified...
July 13, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28732256/using-the-theory-of-planned-behavior-incorporated-with-perceived-barriers-to-explore-sexual-counseling-services-delivered-by-healthcare-professionals-in-individuals-suffering-from-epilepsy
#5
Chung-Ying Lin, Xavier C C Fung, Mehdi Nikoobakht, Andrea Burri, Amir H Pakpour
People with epilepsy (PWE) are highly likely to suffer from sexual dysfunction, and dealing with this issue is a challenge for healthcare providers. Unfortunately, there is no theory-driven study that has investigated the counseling practice of healthcare providers for sexual problems in PWE. Therefore, we decided to apply the well-established Theory of Planned Behavior (TPB) to examine factors associated with healthcare providers' sexual counseling in PWE. Apart from TPB, perceived barriers toward providing counseling could be a possible factor that needs to be investigated as well...
July 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28732214/crispr-cas9-technology-based-xenograft-tumors-as-candidate-reference-materials-for-multiple-eml4-alk-rearrangements-testing
#6
Rongxue Peng, Rui Zhang, Guigao Lin, Xin Yang, Ziyang Li, Kuo Zhang, Jiawei Zhang, Jinming Li
The echinoderm microtubule-associated protein-like 4 and anaplastic lymphoma kinase (ALK) receptor tyrosine kinase (EML4-ALK) rearrangement is an important biomarker that plays a pivotal role in therapeutic decision making for non-small-cell lung cancer (NSCLC) patients. Ensuring accuracy and reproducibility of EML4-ALK testing by fluorescence in situ hybridization, immunohistochemistry, RT-PCR, and next-generation sequencing requires reliable reference materials for monitoring assay sensitivity and specificity...
July 18, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/28731952/open-colectomies-of-shorter-operative-time-do-not-result-in-improved-outcomes-compared-with-prolonged-laparoscopic-operations
#7
Sara L Zettervall, Ivy N Haskins, Sarah E Deery, Richard L Amdur, Paul P Lin, Khashayar Vaziri
BACKGROUND: Laparoscopic colectomies are associated with reduced perioperative morbidity and mortality compared with open surgery. Nevertheless, many surgeons continue to utilize an open surgical approach due to the perceived benefits of shorter operative times. This study aims to compare the outcomes of laparoscopic versus open colectomies of equal or shorter operative duration. METHODS: All patients undergoing elective laparoscopic or open colectomy in the American College of Surgeons National Surgical Quality Improvement Project (ACS-NSQIP) were identified from the years 2005 through 2012...
July 20, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28731675/sustained-release-of-a-peptide-based-matrix-metalloproteinase-2-inhibitor-to-attenuate-adverse-cardiac-remodeling-and-improve-cardiac-function-following-myocardial-infarction
#8
Zhaobo Fan, Minghuan Fu, Zhaobin Xu, Bo Zhang, Zhihong Li, Haichang Li, Xinyu Zhou, Xuanyou Liu, Yunyan Duan, Pei-Hui Lin, Pu Duann, Xiaoyun Xie, Jianjie Ma, Zhenguo Liu, Jianjun Guan
Following myocardial infarction (MI), degradation of extracellular matrix (ECM) by upregulated matrix metalloproteinases (MMPs) especially MMP-2 decreases tissue mechanical properties, leading to cardiac function deterioration. Attenuation of cardiac ECM degradation at the early stage of MI has the potential to preserve tissue mechanical properties, resulting in cardiac function increase. Yet the strategy for efficiently preventing cardiac ECM degradation remains to be established. Current preclinical approaches have shown limited efficacy due to low drug dosage allocated to the heart tissue, dose-limiting side effects, and cardiac fibrosis...
July 21, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28731438/evidence-that-the-human-innate-immune-peptide-ll-37-may-be-a-binding-partner-of%C3%A2-amyloid-%C3%AE-and-inhibitor-of%C3%A2-fibril-assembly
#9
Ersilia De Lorenzi, Marcella Chiari, Raffaella Colombo, Marina Cretich, Laura Sola, Renzo Vanna, Paola Gagni, Federica Bisceglia, Carlo Morasso, Jennifer S Lin, Moonhee Lee, Patrick L McGeer, Annelise E Barron
BACKGROUND: Identifying physiologically relevant binding partners of amyloid-β (Aβ) that modulate in vivo fibril formation may yield new insights into Alzheimer's disease (AD) etiology. Human cathelicidin peptide, LL-37, is an innate immune effector and modulator, ubiquitous in human tissues and expressed in myriad cell types. OBJECTIVE: We present in vitro experimental evidence and discuss findings supporting a novel hypothesis that LL-37 binds to Aβ42 and can modulate Aβ fibril formation...
July 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28731389/protease-hydrolysates-of-filefish-thamnaconus-modestus-byproducts-effectively-inhibit-foodborne-pathogens
#10
Shaimaa Hatab, Mei-Ling Chen, Wenhua Miao, Jiheng Lin, Dandan Wu, Changyu Wang, Pengxiang Yuan, Shanggui Deng
In this study, novel antimicrobial peptides had been derived by enzymatic hydrolysis of filefish (Thamnaconus modestus) byproduct (HFBP). Different proteases, (papain [P], trypsin [T], neutrase [N], pepsin [PE], and the mixture I [PN] and mixture II [PT]) and different hydrolysis time (60, 120, 180, and 240 min), have been used to generate peptides with different lengths and amino acid sequences. The antimicrobial properties of HFBPs were tested, against Gram-positive and Gram-negative strains, using disc diffusion method...
July 21, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28731264/high-yield-synthesis-of-crystal-phase-heterostructured-4h-fcc-au-pd-core-shell-nanorods-for-electrocatalytic-ethanol-oxidation
#11
Ye Chen, Zhanxi Fan, Zhimin Luo, Xiaozhi Liu, Zhuangchai Lai, Bing Li, Yun Zong, Lin Gu, Hua Zhang
Noble-metal nanomaterials are attracting increasing research interest due to their promising applications in electrochemical catalysis, for example. Although great efforts have been devoted to the size-, shape-, and architecture-controlled synthesis of noble-metal nanomaterials, their crystal-phase-controlled synthesis is still in its infancy. Here, for the first time, this study reports high-yield synthesis of Au nanorods (NRs) with alternating 4H/face-centered cubic (fcc) crystal-phase heterostructures via a one-pot wet-chemical method...
July 21, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28731183/paeoniflorin-exerts-neuroprotective-effects-against-glutamate%C3%A2-induced-pc12-cellular-cytotoxicity-by-inhibiting-apoptosis
#12
Ahong Chen, Hongyun Wang, Yuqin Zhang, Xiaoying Wang, Lishuang Yu, Wen Xu, Wei Xu, Yu Lin
Paeoniflorin (PF) is an active ingredient of Radix Paeoniae, which is known to exert neuroprotective effects. However, the mechanims behind the neuroprotective effects of PF are not yet fully understood. The apoptosis of neurons plays an important role in the cerebral ischemia-induced cascade response. This study aimed to investigate neuroprotective effects of PF against glutamate‑induced PC12 cellular cytotoxicity and to determine whether these effects are mediated via the inhibition of apoptosis in vitro and the activity of mitochondrial apoptosis-associated proteins in PC12 cells...
July 20, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731174/lhx3-is-an-early-stage-and-radiosensitivity-prognostic-biomarker-in-lung-adenocarcinoma
#13
Xin Lin, Yan Li, Jin Wang, Fei Han, Shuang Lu, Yu Wang, Wenjian Luo, Mingqian Zhang
Non-small cell lung cancer (NSCLC) is the most common type of lung cancer. We previously identified LHX3 as a new preferentially expressed gene in NSCLC. In the present study, we sought to determine its expression, the clinical relevance and the functional roles in NSCLC. LHX3 expression is sharply increased in carcinoma tissues compared to non-carcinoma tissues. Relational analysis reveals a significant association between LHX3 expression and clinical stage (n=172, p=0.032) or radiotherapy (n=167, p=0.022) of patients...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731172/comparison-of-the-neuronal-differentiation-abilities-of-bone-marrow%C3%A2-derived-and-adipose-tissue%C3%A2-derived-mesenchymal-stem-cells
#14
Yani Zheng, Chao Huang, Fang Liu, Haiyan Lin, Xiangqun Yang, Zhiying Zhang
Bone marrow‑derived mesenchymal stem cells (BMSCs) and adipose tissue‑derived mesenchymal stem cells (ADSCs) are able to differentiate into neuron‑like cells when exposed to small molecule compounds, however the specific differences in their neuronal differentiation abilities remain to be fully elucidated. The present study aimed to compare the neuronal differentiation abilities of BMSCs and ADSCs. BMSCs and ADSCs from the same Sprague Dawley rats were isolated and cultured for use. The proliferation capacity was revealed using a cell counting method...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28731139/inhibitory-effects-of-fkbp14-on-human-cervical-cancer-cells
#15
Lian-Yi Sun, Jiu-Zhi Tao, Bing Yan, Jian-Shu Lin
The FK506-binding protein 14 (FKBP14), which belongs to a subfamily of immunophilins, has been implicated in various biochemical processes. However, its effects on human cervical cancer remain to be elucidated. The present study aimed to determine the exact role of FKBP14 in human cervical cancer cell proliferation, cell cycle progression, apoptosis, invasion and migration. Cell proliferation was measured by Cell Counting Kit‑8 assay. Flow cytometry was conducted to determine the effects of FKBP14 on cell cycle progression and apoptosis...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28731133/irrelevance-of-anti%C3%A2-nachr-cytoplasmic-loop-antibody-in-the-degree-of-myasthenia-gravis
#16
Ye Lin, Chen Song, Jiang Xu, Yongxiang Yang, Hang Qin, Cong Zhao, Jiaji Lin, Rui Liu, Zhuyi Li
Anti‑nicotinic acetylcholine receptor (nAChR) antibody in myasthenia gravis (MG) usually refers to that against the extracellular domain (ECD) of nAChR. However, growing evidence has indicated that there also exists the nAChR antibody against the nAChR cytoplasmic loop (CL) in patients with MG. Some studies have demonstrated that the anti‑CL antibody may play a protective role in animal models of experimental autoimmune MG. However, to date, limited or no information is available as to whether anti‑CL antibody plays a beneficial role in patients with MG...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28731115/the-synthesis-of-cycloalka-b-furans-via-an-au-i-catalyzed-tandem-reaction-of-3-yne-1-2-diols
#17
Wei-Ting Liu, Zheng-Liang Xu, Xue-Qing Mou, Bang-Hong Zhang, Wen Bao, Shao-Hua Wang, Dongjun Lee, Lin-Sheng Lei, Kun Zhang
An Au(i)-catalyzed cyclization/1,2-rearrangement/aromatization cascade of 3-yne-1,2-diols has been successfully realized. This reaction not only provides a new and efficient strategy for the synthesis of substituted cycloalka[b]furan compounds as well as their derivatives, but might also facilitate related biological studies.
July 21, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28730997/improving-the-electrical-contact-at-a-pt-tio2-nanowire-interface-by-selective-application-of-focused-femtosecond-laser-irradiation
#18
Songling Xing, Luchan Lin, Guisheng Zou, Lei Liu, Peng Peng, Aiping Wu, Walter W Duley, Norman Zhou
In this paper, we show that tightly focused femtosecond laser irradiation is effective in improving nanojoining of an oxide nanowire (TiO2) to a metal electrode (Pt), and how this process can be used to modify contact states. Enhanced chemical bondings are created due to localized plasmonically enhanced optical absorption at the Pt/TiO2 interface as confirmed by finite element simulations of the localized field distribution during irradiation. Nano Auger electron spectroscopy shows that the resulting heterojunction is depleted in oxygen, suggesting that a TiO2-x layer is formed between the Pt electrode and the TiO2 nanowire...
July 21, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28730963/increased-expression-of-ire1%C3%AE-associates-with-the-resistant-mechanism-of-osimertinib-azd9291-resistant-non-small-cell-lung-cancer-hcc827-osir-cells
#19
Zheng-Hai Tang, Min-Xia Su, Xia Guo, Xiao-Ming Jiang, Lin Jia, Xiuping Chen, Jin-Jian Lu
BACKGROUND: Osimertinib (OSI), also known as AZD9291, is a third-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) that has been approved for the treatment of non-small cell lung cancer (NSCLC) patients. OBJECTIVE: Establishment of the OSI-resistant HCC827/OSIR cell line and study of its resistant mechanism. METHOD: The anti-proliferative effect was studied through MTT and colony formation assays. The protein expression was detected by Western blot assay...
July 19, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28730853/dengue-in-the-elderly-a-review
#20
Ray Junhao Lin, Tau Hong Lee, Yee Sin Leo
Changing dengue epidemiological trends have resulted in a shift in the disease burden to the adult population. Older adults suffer from poorer outcomes as compared to their younger counterparts, making clinical management of this sub-population particularly challenging. Areas covered: We present a review of the current literature on the changing epidemiology of dengue in the elderly, the atypical features of the clinical disease in this population with emphasis on severe disease presentations and challenges in the current management strategies...
July 21, 2017: Expert Review of Anti-infective Therapy
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