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Biomedical Reports

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https://www.readbyqxmd.com/read/27882231/organic-cation-transporter-6-directly-confers-resistance-to-anticancer-platinum-drugs
#1
Tetsuya Oguri, Eiji Kunii, Satoshi Fukuda, Kazuki Sone, Takehiro Uemura, Osamu Takakuwa, Yoshihiro Kanemitsu, Hirotsugu Ohkubo, Masaya Takemura, Ken Maeno, Yutaka Ito, Akio Niimi
Organic cation transporters (OCTs) of the solute carrier family 22 have a critical role in the cellular uptake of anticancer platinum drugs. Recently, we found that a decreased OCT6 expression is associated with a reduced intracellular uptake of cisplatin (CDDP), and concomitant resistance to CDDP. In the present study, we examined whether OCTs directly confer resistance to another platinum drug, oxaliplatin (L-OHP). To address this, we used parental lung cancer cell lines, PC-14 and SBC3; L-OHP-resistant sublines, PC-14/L-OHP and SBC3/L-OHP; and one CDDP-resistant subline PC-14/CDDP, to examine the relationships between the expression of OCTs and intracellular platinum drug concentration or platinum drug resistance...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882230/evaluation-of-interferon-induced-transmembrane-protein-3-ifitm3-rs7478728-and-rs3888188-polymorphisms-and-the-risk-of-pulmonary-tuberculosis
#2
Mohammad Naderi, Mohammad Hashemi, Fatemeh Abedipour, Gholamreza Bahari, Maryam Rezaei, Mohsen Taheri
The current study aimed to examine the possible association between the interferon-induced transmembrane protein-3 (IFITM3) gene polymorphisms and risk of pulmonary tuberculosis (PTB) in a sample population. This case-control study was conducted on 188 PTB patients and 169 healthy subjects. The rs7478728 and rs3888188 variants of IFITM3 were genotyped using polymerase chain reaction-restriction fragment length polymorphism. The findings showed no significant association between rs7478728 polymorphism and risk of PTB...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882229/risk-factors-for-osteoporosis-in-patients-with-end-stage-liver-disease
#3
Shinjiro Uchida, Hisamitsu Miyaaki, Tatsuki Ichikawa, Naota Taura, Satoshi Miuma, Takuya Honda, Hidetaka Shibata, Masafumi Haraguchi, Takemasa Senoo, Kazuhiko Nakao
Patients with end-stage liver disease (ESLD) were evaluated and their clinical features were compared with the aim of identifying risk factors for osteoporosis. Seventy-nine patients with ESLD were enrolled in the current study. Bone mineral density (BMD) was assessed by dual-energy X-ray absorptiometry and compared with clinical features in patients with ESLD. BMD was identified to be significantly correlated with body mass index (r=0.430; P=0.001) and inversely correlated with total bile acid (r=-0.228; P=0...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882228/oxymatrine-inhibits-microglia-activation-via-hsp60-tlr4-signaling
#4
Feijia Ding, Yunhong Li, Xiaolin Hou, Rui Zhang, Shuting Hu, Yin Wang
Oxymatrine (OMT) is an alkaloid extracted from Sophora flavescens, which has broad anti-inflammatory, antitumor and immunosuppressant actions. However, the underlying molecular mechanisms have remained elusive. Heat shock protein 60 (HSP60) has recently been shown to have an important role in autoimmune reactions. The present study aimed to investigate whether OMT exerts its anti-inflammatory effects by inhibiting microglial activation and examined the role of HSP60 in this process. Western blot analysis and ELISA showed that OMT decreased the expression and release of HSP60 by LPS-activated BV2 cells...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882227/g2691a-and-c2491t-mutations-of-factor-v-gene-and-pre-disposition-to-myocardial-infarction-in-morocco
#5
Wiam Hmimech, Brehima Diakite, Hind Hassani Idrissi, Khalil Hamzi, Farah Korchi, Dalila Baghdadi, Rachida Habbal, Sellama Nadifi
Coagulation factor Leiden mutation has been described as a common genetic risk factor for venous thrombosis; however, this mutation was reported to be practically absent in an African population. Recently, a novel non-sense mutation in the gene encoding factor V has been associated with the risk of occurrence of cardio-cerebrovascular diseases such as stroke and venous thrombosis. The aim of the present study was to investigate whether the factor V Leiden (FVL) and C2491T non-sense mutations are associated with the risk of developing myocardial infarction...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882226/effect-of-dehydration-heat-exposure-on-thoracic-aorta-reactivity-in-rats
#6
Yao Geng, Lingqin Zhu, Fadong Liu, Xiaodan Zhu, Jianguo Niu, Guanghua Li
The aim of the present study was to investigate the effect of one week dehydration heat exposure on thoracic aorta reactivity in rats. Eighteen Male Sprague-Dawley rats were randomly divided into 3 groups (n=6 each group): Control group (CN), heat exposure group (HE), dehydration heat exposure group (DHE). The CN group was exposed to a room temperature of 24°C, while the HE and DHE groups were exposed to a heat temperature of 32°C. After 7 days of heat exposure, the heart rate and blood pressure of the rats were measured, and the noradrenaline (NA)-induced contraction on the aorta rings was measured by tension recording...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882225/carbonated-soft-drinks-alter-hepatic-cytochrome-p450-isoform-expression-in-wistar-rats
#7
Adel Alkhedaide, Mohamed Mohamed Soliman, Zein Shaban Ibrahim
The aim of the current study was to examine the effects of chronic consumption of soft drinks (SDs) on hepatic oxidative stress and cytochrome P450 enzymes (CYPs) expression in the livers of Wistar rats. For 3 consecutive months, the rats had free access to three different soft drinks, Coca-Cola, Pepsi-Cola and 7-UP. The rats were subsequently compared with control group rats that had consumed water. Blood and hepatic tissue samples were assayed for the changes in antioxidants, liver function biomarkers and hepatic gene expression for different isoforms of hepatic CYP...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882224/correlation-between-serum-parathyroid-hormone-levels-and-coronary-artery-calcification-in-patients-without-renal-failure
#8
Gang-Yong Wu, Bai-Da Xu, Ting Wu, Xiao-Ying Wang, Tian-Xiao Wang, Xiao Zhang, Xiao Wang, Yang Xia, Gang-Jun Zong
The aim of the present study was to investigate the correlation between serum parathyroid hormone (PTH) levels and coronary artery calcification (CAC) in patients without renal failure, as well as to determine independent risk factors of CAC score (CACS). A total of 157 patients who underwent coronary computed tomography angiographic examination at the 101th Hospital of the People's Liberation Army between December 2013 and February 2015 were retrospectively evaluated. The correlation between PTH levels and CACS was determined using a Pearson correlation analysis...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882223/hepatitis-b-patients-exhibiting-mild-alanine-aminotransferase-elevation-a-comparative-analysis-of-treatment-with-and-without-bicyclol-tablets
#9
Yin Zhang, Yanming Xie, Yiying Zhang, Yan Liu, Yan Zhuang
The aim of the present study was to analyze the medicinal effect of Bicyclol tablets on patients with chronic hepatitis B (CHB) and concomitant mild alanine aminotransferase (ALT) elevation (40-80 IU/l). A retrospective cohort study, which included patients from the hospital information system (HIS; established by the Chinese Academy of Medical Sciences) viral hepatitis database comprised of 18 third-grade class A hospitals in China, was performed. Patients were divided into an exposed group (administered with Bicyclol tablets) and a non-exposed group (no administration of Bicyclol tablets)...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882222/gastroprotective-effects-of-arctigenin-of-arctium-lappa-l-on-a-rat-model-of-gastric-ulcers
#10
Xiao-Mei Li, Yu Miao, Qin-Yong Su, Jing-Chun Yao, Hong-Hua Li, Gui-Min Zhang
In the present study, the gastroprotective effects of arctigenin of Fructus Arctii were evaluated and the possible underlying mechanisms of action were elucidated. Arctigenin (high-performance liquid chromatography purity, >99.0%) was isolated and purified from the seeds of Arctium lappa L. The anti-ulcerogenic activity of arctigenin against ulcers induced by absolute ethanol and acetic acid was evaluated in a Sprague-Dawley rat model. In addition, the antioxidant activity was assessed by measuring malondialdehyde (MDA) levels in an ethanol-induced model and the anti-inflammatory effects were assessed by measuring five factors in an acetic acid-induced model...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882221/overexpression-of-suppressor-of-ikbke-1-is-associated-with-vincristine-resistance-in-colon-cancer-cells
#11
Chun-Peng Zhao, Zhong-Jie Xu, Qing Guo, Yun-Xiao Li, Xiang-Zheng Gao, Yi-You Peng
In a previous study, the suppressor of IKBKE 1 expression level was confirmed to be higher in vincristine (VCR)-resistant HCT-8 (HCT-8/V) colon cancer cells than in non-VCR-resistant HCT-8 cells. In the current study, IKBKE 1 expression in VCR-resistant colon cancer cells was investigated further. HCT-8 and HCT-8/V human colon cancer cells were used, and polymerase chain reaction (PCR) primers were designed to amplify the IKBKE 1 gene. Fluorescence reverse transcription-quantitative PCR (RT-qPCR) was performed to detect differences in IKBKE 1 expression between sensitive and drug-resistant colon cancer cell lines...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882220/effects-of-blueberries-on-migration-invasion-proliferation-the-cell-cycle-and-apoptosis-in-hepatocellular-carcinoma-cells
#12
Wei Zhan, Xin Liao, Lei Yu, Tian Tian, Xing Liu, Jing Liu, Li-Jun Cai, Xuan Xiao, Ru-Jia Xie, Qin Yang
The aim of the present study was to investigate the effects of blueberry consumption on the migration, invasion, proliferation, cell cycle and apoptosis in human hepatocellular carcinoma (HCC) cells, in order to provide clinical treatment and prevention strategies for liver cancer using anticancer therapeutic agents. Rabbiteye blueberry was prepared as fresh juice and fed to rats at low, moderate and high dosages (25, 50 and 100%, respectively) by daily gastric gavage. Seven days later, the rats were sacrificed and the blood serum was obtained for co-culture with HEPG2 cells...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882219/cyp2d6-gene-polymorphisms-in-brazilian-patients-with-breast-cancer-treated-with-adjuvant-tamoxifen-and-its-association-with-disease-recurrence
#13
Mariella De Ameida Melo, Rodrigo José De Vasconcelos-Valença, Fidelis Manes Neto, Rafael Soares Borges, Danylo Rafhael Costa-Silva, Maria Da Conceição Barros-Oliveira, Umbelina Soares Borges, Airlane Pereira Alencar, Vladimir Costa Silva, Benedito Borges Da Silva
At present, there is controversy regarding the efficacy of tamoxifen in breast cancer patients who are carriers of cytochrome P450 2D6 (CYP2D6) gene polymorphisms, in terms of recurrence and overall survival. Thus, the aim of the present study was to investigate the association of the CYP2D6 *4, *10 and *17 gene polymorphisms with breast cancer recurrence in a Brazilian population. The cohort comprised 40 receptor-positive breast cancer patients without recurrence and 40 with distant recurrence. A 3-ml sample of peripheral blood was collected from each patient to determine the presence of the *4, *10 and *17 single nucleotide polymorphisms of the CYP2D6 gene by quantitative polymerase chain reaction analysis...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882218/adenovirus-co-expressing-cd40-ligand-and-interleukin-il-2-contributes-to-maturation-of-dendritic-cells-and-production-of-il-12
#14
Zhi Guo, Hong-Yan Gao, Tian-Yang Zhang, Jin-Xing Lou, Kai Yang, Xiao-Dong Liu, Xue-Peng He, Hui-Ren Chen
The aim of the present study was to construct a chimeric adenovirus (Ad)5/F35 co-expressing human CD4O ligand (CD4OL) and interleukin (IL)-2 (Ad5/F35 CD40L-IL-2). The infection efficiency to human monocyte-derived dendritic cells (Mo-DCs), expression of genes, phenotype changes and IL-12 production of Mo-DC by Ad5/F35 CD40L-IL-2 were investigated. CD40L and IL-2 from total RNA extracted from human peripheral blood mononuclear cells (PBMCs) were cloned by reverse transcription-polymerase chain reaction and used to construct Ad5/F35 CD40L-IL-2...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882217/multiple-effects-of-xihuang-pill-aqueous-extract-on-the-hs578t-triple-negative-breast-cancer-cell-line
#15
Wenxian Zheng, Shuyan Han, Shantong Jiang, Lina Pang, Xiaohong Li, Xijuan Liu, Minhua Cao, Pingping Li
The management of triple-negative breast cancer (TNBC) is challenging due to the aggressive behavior, lack of therapeutic options and relatively poor prognosis. Xihuang pill (XHP) is a well-known Traditional Chinese Medicine with anticancer activity. The aim of the present study was to investigate whether the aqueous extract of XHP (AEXHP) has anti-proliferative activity against the Hs578T TNBC cell line, and to elucidate its molecular mechanisms of action. First, an MTT assay was used to evaluate the anti-proliferative activity of AEXHP on the Hs578T cell line; furthermore, the cell cycle distribution, mitochondrial membrane potential and apoptotic rate were determined by flow cytometry, and western blot analysis was used to assess the expression of apoptosis and cell cycle regulatory proteins to investigate the mechanisms of action...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882216/intake-of-kale-suppresses-postprandial-increases-in-plasma-glucose-a-randomized-double-blind-placebo-controlled-crossover-study
#16
Sumio Kondo, Asahi Suzuki, Mihoko Kurokawa, Keiji Hasumi
Kale (Brassica oleracea var. acephala), a vegetable in the family Brassicaceae, has beneficial effects on health, including hypoglycemic effects. In our previous study with a limited number of subjects, intake of kale-containing food at a dose of 14 g decreased postprandial plasma glucose levels. In the present study, the effective dose of kale-containing food was investigated in a randomized, double-blind, placebo-controlled, crossover trial. The trial was conducted on 42 Japanese subjects aged 21-64 years with fasting plasma glucose levels of ≤125 mg/dl and 30-min postprandial plasma glucose levels of 140-187 mg/dl...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882215/epigenetic-changes-in-peripheral-leucocytes-as-biomarkers-in-intrauterine-growth-retardation-rat
#17
Xue-Feng Xu, Shan-Shan Xu, Lin-Cheng Fu, Qiong-Yao Hu, Ying Lv, Li-Zhong Du
Epigenetics plays an important role in the fetal origins of adult disease. Intrauterine growth retardation (IUGR) can cause increased histone acetylation of the endothelin-1 (ET-1) gene from pulmonary vascular endothelial cells or the whole lung tissue and persist into later life, likely resulting in increased risk of pulmonary hypertension or asthma later in life. However, little is known regarding the correlation of epigenetic changes between specific tissue and peripheral leucocytes. In the present study, an IUGR rat model was established by maternal nutrient restriction...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882214/efficacy-and-safety-of-different-doses-of-evolocumab-in-reducing-low-density-lipoprotein-cholesterol-levels-a-meta-analysis
#18
Cheng Cheng, Sijia Sun, Yafeng Zhou, Xiangjun Yang
Evolocumab has been considered as an efficacious, safe and promising therapeutic modality for hypercholesterolemia and is associated with cardiovascular diseases. The efficacy and safety of two different doses of evolocumab were evaluated and the safety of evolocumab was compared with that of a placebo and ezetimibe. PubMed and EMBASE databases were searched and randomized controlled trials that examined the effect and safety of evolomucab compared with a placebo and ezetimibe were retrieved. Two authors independently performed article reviews and study quality evaluations...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882213/endometriosis-research-using-capture-microdissection-techniques-progress-and-future-applications
#19
Luyang Zhao, Chenglei Gu, Ke Huang, Weidong Han, Meng Fu, Yuanguang Meng
Endometriosis is a common gynecological disease with high prevalence, while its etiology and pathophysiology have remained to be fully elucidated. Previous evidence suggested that this disorder may be in part or completely of somatic origin. However, traditional endometrial samples may not be ideal for investigation, as target cells, including epithelial and stromal cells, in endometriotic lesions are too sparse to be analyzed. Recently, capture microdissection techniques have been used to overcome these limitations and eliminate tissue heterogeneity in endometriosis research...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882212/resveratrol-and-exercise
#20
Saltuk Bugra Baltaci, Rasim Mogulkoc, Abdulkerim Kasim Baltaci
Although it is recommended for a healthy lifestyle, moderate exercise is known to lead to oxidative stress, inflammation and muscle injury. Hence there are efforts to develop dietary strategies to counter the oxidative stress caused by physical activity. Recently, there has been an interest in the capability of resveratrol (RES) to modulate physical performance and prevent oxidative stress. Despite the inconsistency among reports regarding the topic, it has been suggested that RES delays fatigue by hindering lipid peroxidation...
November 2016: Biomedical Reports
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