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International Journal of Medical Sciences

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https://www.readbyqxmd.com/read/27877080/established-population-of-blacklegged-ticks-with-high-infection-prevalence-for-the-lyme-disease-bacterium-borrelia-burgdorferi-sensu-lato-on-corkscrew-island-kenora-district-ontario
#1
John D Scott, Janet E Foley, Kerry L Clark, John F Anderson, Lance A Durden, Jodi M Manord, Morgan L Smith
We document an established population of blacklegged ticks, Ixodes scapularis, on Corkscrew Island, Kenora District, Ontario, Canada. Primers of the outer surface protein A (OspA) gene, the flagellin (fla) gene, and the flagellin B (flaB) gene were used in the PCR assays to detect Borrelia burgdorferi sensu lato (s.l.), the Lyme disease bacterium. In all, 60 (73%) of 82 adult I. scapularis, were infected with B. burgdorferi s.l. As well, 6 (43%) of 14 unfed I. scapularis nymphs were positive for B. burgdorferi s...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27877079/amplification-and-overexpression-of-cttn-and-ccnd1-at-chromosome-11q13-in-esophagus-squamous-cell-carcinoma-escc-of-north-eastern-chinese-population
#2
Xiaoxia Hu, Ji Wook Moon, Shibo Li, Weihong Xu, Xianfu Wang, Yuanyuan Liu, Ji-Yun Lee
Esophageal squamous cell carcinoma (ESCC) is a genetically complex tumor type and is a major cause of cancer-related mortality. The combination of genetics, diet, behavior, and environment plays an important role in the carcinogenesis of ESCC. To characterize the genomic aberrations of this disease, we investigated the genomic imbalances in 19 primary ESCC cases using high-resolution array comparative genomic hybridization (CGH). All cases showed either loss or gain of whole chromosomes or segments of chromosome(s) with variable genomic sizes...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27877078/activation-of-the-cxcl16-cxcr6-pathway-by-inflammation-contributes-to-atherosclerosis-in-patients-with-end-stage-renal-disease
#3
Ze Bo Hu, Yan Chen, Yu Xiang Gong, Min Gao, Yang Zhang, Gui Hua Wang, Ri Ning Tang, Hong Liu, Bi Cheng Liu, Kun Ling Ma
Background: Chronic inflammation plays a critical role in the progression of atherosclerosis (AS). This study aimed to determine the effects of the CXC chemokine ligand 16 (CXCL16)/CXC chemokine receptor 6 (CXCR6) pathway on cholesterol accumulation in the radial arteries of end-stage renal disease (ESRD) patients with concomitant microinflammation and to further investigate the potential effects of the purinergic receptor P2X ligand-gated ion channel 7 (P2X7R). Methods: Forty-three ESRD patients were divided into the control group (n=17) and the inflamed group (n=26) based on plasma C-reactive protein (CRP) levels...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27877077/amelioration-of-estrogen-deficiency-induced-obesity-by-collagen-hydrolysate
#4
Tsay-I Chiang, I-Chang Chang, Hsueh-Hui Lee, Kuang Hui Hsieh, Yung-Wei Chiu, Te-Jen Lai, Jer-Yuh Liu, Li-Sung Hsu, Shao-Hsuan Kao
Objectives: Menopausal transition with declining estrogen levels significantly affects the physiological properties of women and consequently contributes to a series of medical conditions, including obesity. Obesity is a crucial risk factor associated with cardiovascular diseases, diabetes mellitus, and breast cancer. Increasing dietary protein content improves satiety and energy expenditure. Thus, we hypothesize that supplementing with collagen, a common dietary protein, may alleviate menopause-induced obesity...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27877076/cardiomyogenic-differentiation-of-human-dental-follicle-derived-stem-cells-by-suberoylanilide-hydroxamic-acid-and-their-in-vivo-homing-property
#5
Iel-Yong Sung, Han-Na Son, Imran Ullah, Dinesh Bharti, Ju-Mi Park, Yeong-Cheol Cho, June-Ho Byun, Young-Hoon Kang, Su-Jin Sung, Jong-Woo Kim, Gyu-Jin Rho, Bong-Wook Park
The purpose of the present study was to investigate the in vitro cardiomyogenic differentiation potential of human dental follicle-derived stem cells (DFCs) under the influence of suberoylanilide hydroxamic acid (SAHA), a member of the histone deacetylase inhibitor family, and analyze the in vivo homing capacity of induced cardiomyocytes (iCMs) when transplanted systemically. DFCs from extracted wisdom teeth showed mesenchymal stem cell (MSC) characteristics such as plate adherent growing, expression of MSC markers (CD44, CD90, and CD105), and mesenchymal lineage-specific differentiation potential...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27877075/the-limbal-epithelial-progenitors-in-the-limbal-niche-environment
#6
REVIEW
Yuan Zhang, Hong Sun, Yongsong Liu, Shuangling Chen, Subo Cai, Yingting Zhu, Ping Guo
Limbal epithelial progenitors are stem cells located in limbal palisades of vogt. In this review, we present the audience with recent evidence that limbal epithelial progenitors may be a powerful stem cell resource for the cure of human corneal stem cell deficiency. Further understanding of their mechanism may shed lights to the future successful application of stem cell therapy not only to the eye tissue, but also to the other tissues in the human body.
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27877074/association-between-benzodiazepine-use-and-dementia-data-mining-of-different-medical-databases
#7
Mitsutaka Takada, Mai Fujimoto, Kouichi Hosomi
Purpose: Some studies have suggested that the use of benzodiazepines in the elderly is associated with an increased risk of dementia. However, this association might be due to confounding by indication and reverse causation. To examine the association between benzodiazepine anxiolytic drug use and the risk of dementia, we conducted data mining of a spontaneous reporting database and a large organized database of prescriptions. Methods: Data from the US Food and Drug Administration Adverse Event Reporting System (FAERS) from the first quarter of 2004 through the end of 2013 and data from the Canada Vigilance Adverse Reaction Online Database from the first quarter of 1965 through the end of 2013 were used for the analyses...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27877073/ocimum-gratissmum-aqueous-extract-reduces-plasma-lipid-in-hypercholesterol-fed-hamsters
#8
Pei-Yu Chao, James A Lin, Wei-Jen Ting, Hsueh-Hui Lee, Kuanghui Hsieh, Yung-Wei Chiu, Te-Jen Lai, Jin-Ming Hwang, Je-rYuh Liu, Chih-Yang Huang
Objectives: Hyperlipidemia is a significant risk factor in the development of atherosclerosis and related diseases which are major health problem in many developed and developing countries that can lead to fatality due to the changes in lifestyle and dietary habits in this modern age. Methods: In the present study, the Ocimum gratissimum aqueous extract (OGE) was tested for the lowering effect on the serum lipid level of male hamsters on a high-fat (12%) and high-cholesterol (0.2%) diet (HFCD). Results: The results showed that the levels of serum high-density-lipoprotein-cholesterol (HDL-C) low-density-lipoprotein-cholesterol (LDL-C), total cholesterol (TC), and triglycerols (TG) were increased in the HFCD group (113±11, 259±87, 629±175 and 625±262, respectively), as compared to the control normal diet group (51±8, 19±5, 77±16 and 101±44, respectively)...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27877072/cultured-human-periosteum-derived-cells-can-differentiate-into-osteoblasts-in-a-perioxisome-proliferator-activated-receptor-gamma-mediated-fashion-via-bone-morphogenetic-protein-signaling
#9
Jin-Eun Chung, Jin-Ho Park, Jeong-Won Yun, Young-Hoon Kang, Bong-Wook Park, Sun-Chul Hwang, Yeong-Cheol Cho, Iel-Yong Sung, Dong Kyun Woo, June-Ho Byun
The differentiation of mesenchymal stem cells towards an osteoblastic fate depends on numerous signaling pathways, including activation of bone morphogenetic protein (BMP) signaling components. Commitment to osteogenesis is associated with activation of osteoblast-related signal transduction, whereas inactivation of this signal transduction favors adipogenesis. BMP signaling also has a critical role in the processes by which mesenchymal stem cells undergo commitment to the adipocyte lineage. In our previous study, we demonstrated that an agonist of the perioxisome proliferator-activated receptor γ (PPARγ), a master regulator of adipocyte differentiation, stimulates osteoblastic differentiation of cultured human periosteum-derived cells...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766030/lacrimal-duct-occlusion-is-associated-with-infectious-keratitis
#10
Guigang Li, Jingmin Guo, Rong Liu, Weikun Hu, Lingjuan Xu, Juan Wang, Subo Cai, Hong Zhang, Yingting Zhu
Background: To explore the prevalence of lacrimal duct obstruction in patients with infectious keratitis, and the necessity of lacrimal duct dredge in the treatment of human infectious keratitis. Methodology/Principle Findings: The design is prospective, non-control case series. Thirty-one eyes from twenty-eight continuous patients with infectious keratitis were included in this study. The presence/absence of lacrimal duct obstruction was determined by the lacrimal duct irrigation test. The diagnosis of infectious keratitis was made based on clinical manifestations, cornea scraping microscopic examination and bacterial/fungus culture...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766029/clinical-importance-of-the-middle-meningeal-artery-a-review-of-the-literature
#11
Jinlu Yu, Yunbao Guo, Baofeng Xu, Kan Xu
The middle meningeal artery (MMA) is a very important artery in neurosurgery. Many diseases, including dural arteriovenous fistula (DAVF), pseudoaneurysm, true aneurysm, traumatic arteriovenous fistula (AVF), moyamoya disease (MMD), recurrent chronic subdural hematoma (CSDH), migraine and meningioma, can involve the MMA. In these diseases, the lesions occur in either the MMA itself and treatment is necessary, or the MMA is used as the pathway to treat the lesions; therefore, the MMA is very important to the development and treatment of a variety of neurosurgical diseases...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766028/targeting-p38-pathway-regulates-bony-formation-via-msc-recruitment-during-mandibular-distraction-osteogenesis-in-rats
#12
Zi-Hui Yang, Bao-Lei Wu, Chen Ye, Sen Jia, Xin-Jie Yang, Rui Hou, De-Lin Lei, Lei Wang
Distraction osteogenesis (DO) is a widely used self-tissue engineering. However, complications and discomfort due to the long treatment period are still the bottleneck of DO. Novel strategies to accelerate bone formation in DO are still needed. P38 is capable of regulating the osteogenic differentiation of both mesenchymal stem cells (MSCs) and osteoblasts, which are crucial to bone regeneration. However, it is not clear whether targeting p38 could regulate bony formation in DO. The purpose of the current work was to investigate the effects of local application of either p38 agonist anisomycin or p38 inhibitor SB203580 in a rat model of DO...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766027/capping-agent-dependent-toxicity-and-antimicrobial-activity-of-silver-nanoparticles-an-in-vitro-study-concerns-about-potential-application-in-dental-practice
#13
Karolina Niska, Narcyz Knap, Anna Kędzia, Maciej Jaskiewicz, Wojciech Kamysz, Iwona Inkielewicz-Stepniak
Objectives: In dentistry, silver nanoparticles (AgNPs) have drawn particular attention because of their wide antimicrobial activity spectrum. However, controversial information on AgNPs toxicity limited their use in oral infections. Therefore, the aim of the present study was to evaluate the antibacterial activities against a panel of oral pathogenic bacteria and bacterial biofilms together with potential cytotoxic effects on human gingival fibroblasts of 10 nm AgNPs: non-functionalized - uncapped (AgNPs-UC) as well as surface-functionalized with capping agent: lipoic acid (AgNPs-LA), polyethylene glycol (AgNPs-PEG) or tannic acid (AgNPs-TA) using silver nitrate (AgNO3) as control...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766026/immunohistochemical-study-of-hair-follicle-stem-cells-in-regenerated-hair-follicles-induced-by-wnt10b
#14
Yiming Zhang, Yizhan Xing, Haiying Guo, Xiaogen Ma, Yuhong Li
The regulation of the periodic regeneration of hair follicles is complicated. Although Wnt10b has been reported to induce hair follicle regeneration, the characteristics of induced hair follicles, especially the target cells of Wnt10b, have not yet been clearly elucidated. Thus, we systematically evaluated the expression and proliferation patterns of Wnt10b-induced hair follicles. We found that Wnt10b promoted the proliferation of hair follicle stem cells from 24 hours after AdWnt10b injection. Seventy-two hours after AdWnt10b injection, cells outside of bulge area began to proliferate...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766025/tissue-factor-a-potent-stimulator-of-von-willebrand-factor-synthesis-by-human-umbilical-vein-endothelial-cells
#15
Muriel Meiring, W Allers, E Le Roux
Inflammation and dysfunction of endothelial cells are thought to be triggers for the secretion of Von Willebrand factor. The aim of this study was to examine the effects of the inflammatory cytokines interleukin-6 (IL-6), interleukin-8 (IL-8) and tumour necrosis factor-alpha (TNF-α) and the coagulation factors, tissue factor and thrombin on the release and cleavage potential of ultra-large von Willebrand factor (ULVWF) and its cleavage protease by cultured human umbilical vein endothelial cells (HUVEC). HUVEC were treated with IL-6, IL-8, and TNF-α, tissue factor (TF) and thrombin, and combinations thereof for 24 hours under static conditions...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766024/role-of-cape-on-cardiomyocyte-protection-via-connexin-43-regulation-under-hypoxia
#16
Chien-Cheng Chen, Chan-Yen Kuo, Rong-Fu Chen
Background: Cardiomyocyte under hypoxia cause cell death or damage is associated with heart failure. Gap junction, such as connexin 43 play a role in regulation of heart function under hypoxia. Caffeic acid phenethyl ester (CAPE) has been reported as an active component of propolis, has antioxidative, anti-inflammatory antiproliferative and antineoplastic biological properties. Aims: Connexin 43 appear to have a critical role in heart failure under hypoxia, there has been considerable interest in identifying the candidate component or compound to reduce cell death...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766023/lower-body-mass-index-is-a-risk-factor-for-in-hospital-mortality-of-elderly-japanese-patients-treated-with-ampicillin-sulbactam
#17
Makoto Miura, Akiko Kuwahara, Akinori Tomozawa, Naoki Omae, Motohiro Yamamori, Kaori Kadoyama, Toshiyuki Sakaeda
Objectives: A retrospective examination was conducted to identify risk factors for in-hospital mortality of elderly patients (65 years or older) treated with the beta-lactam/beta-lactamase inhibitor combination antibiotic, ampicillin/sulbactam (ABPC/SBT). Methods: Clinical data from 96 patients who were hospitalized with infectious diseases and treated with ABPC/SBT (9 g/day or 12 g/day) were analyzed. Risk factors examined included demographic and clinical laboratory parameters. Parameter values prior to treatment and changes after treatment were compared between survivors and non-survivors...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766022/flooded-lung-generates-a-suitable-acoustic-pathway-for-transthoracic-application-of-high-intensity-focused-ultrasound-in-liver
#18
Thomas Günther Lesser, Carsten Boltze, Harald Schubert, Frank Wolfram
Background: In recent years, high intensity focused ultrasound (HIFU) has gained increasing clinical interest as a non-invasive method for local therapy of liver malignancies. HIFU treatment of tumours and metastases in the liver dome is limited due to the adjacent ultrasound blocking lung. One-lung flooding (OLF) enables complete sonography of lung and adjoining organs including liver. HIFU liver ablation passing through the flooded lung could enable a direct intercostal beam path and thus improve dose deposition in liver...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27766021/dehydroepiandrosterone-supplementation-combined-with-whole-body-vibration-training-affects-testosterone-level-and-body-composition-in-mice
#19
Wen-Chyuan Chen, Yi-Ming Chen, Chi-Chang Huang, Yen-Dun Tzeng
Dehydroepiandrosterone (DHEA), the most abundant sex steroid, is primarily secreted by the adrenal gland and a precursor hormone used by athletes for performance enhancement. Whole-body vibration (WBV) is a well-known light-resistance exercise by automatic adaptations to rapid and repeated oscillations from a vibrating platform, which is also a simple and convenient exercise for older adults. However, the potential effects of DHEA supplementation combined with WBV training on to body composition, exercise performance, and hormone regulation are currently unclear...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27648003/adding-biotin-to-parenteral-nutrition-solutions-without-lipid-accelerates-the-growth-of-candida-albicans
#20
Takashi Kuwahara, Shinya Kaneda, Kazuyuki Shimono
BACKGROUND: We have previously demonstrated that Candida albicans requires multivitamins (MVs) or lipid to increase rapidly in parenteral nutrition (PN) solutions. In this study, in detail, the effects of vitamins on the growth of C. albicans in PN solutions without lipid were investigated. METHODS: In the 1st experiment, a commercial PN solution without lipid was supplemented with water-soluble vitamins (SVs: vitamins B1, B2, B6, B12 and C, folic acid, nicotinamide, biotin and panthenol), water-insoluble vitamins (IVs: vitamins A, D, E and K) or both (MVs)...
2016: International Journal of Medical Sciences
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