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Bioscience Trends

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https://www.readbyqxmd.com/read/30101825/spectroscopic-methodologies-and-molecular-docking-studies-on-the-interaction-of-the-soluble-guanylate-cyclase-stimulator-riociguat-with-human-serum-albumin
#1
Rui Ma, Zhenyu Li, Xiaxia Di, Dongxiao Guo, Jianbo Ji, Shuqi Wang
Interaction of riociguat with human serum albumin (HSA) is extremely important in understanding the drug's disposition and efficiency. In the current study, the binding of riociguat to HSA was explored using spectroscopic methods and molecular docking. The quenching constant, the binding constant, the number of binding sites, thermodynamic parameters, and the secondary structure of protein were determined. A fluorescence study revealed that riociguat quenched HSA fluorescence via static quenching with a binding constant of 1...
September 19, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30101824/bolus-administration-of-ephedrine-and-etilefrine-induces-transient-vasodilation-just-after-injection-in-combined-epidural-and-general-anesthesia-patients-a-randomized-clinical-study
#2
Zen'ichiro Wajima, Toshiya Shiga, Kazuyuki Imanaga
Hypotension commonly accompanies combined epidural and general anesthesia, and intravenous bolus ephedrine and etilefrine are widely used to correct hypotension. We have noticed that systemic vascular resistance (SVR) transiently decreases just after intravenous bolus administration of these drugs. The goal of the present study was to investigate whether bolus administration of these drugs decrease SVR just after intravenous administration in combined epidural and general anesthesia patients. We investigated 40 patients who were scheduled for elective abdominal surgery...
September 19, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30158364/prognostic-factors-of-daily-blood-examination-for-advanced-melanoma-patients-treated-with-nivolumab
#3
Hisako Okuhira, Yuki Yamamoto, Yutaka Inaba, Kayo Kunimoto, Naoya Mikita, Takaharu Ikeda, Chikako Kaminaka, Yoshimi Minami, Nobuo Kanazawa, Fukumi Furukawa, Masatoshi Jinnin
Biomarkers to distinguish patients with advanced melanoma responsive to nivolumab are of great interest. Therefore, we examined the possibility that laboratory data of daily blood examination become novel biomarkers. Laboratory data of 16 melanoma patients who were treated with nivolumab were retrospectively analyzed. Patients were classified as responder group or non-responder group. Examined were: white blood cell count (WBC), absolute lymphocyte counts (ALC), absolute neutrophil count (ANC), absolute monocyte count (AMC), absolute eosinophil count (AEC), and absolute basophil count (ABC), as well as levels of lactate dehydrogenase (LDH), C-reactive protein (CRP), one hour value of erythrocyte sedimentation rate (ESR), and 5-S-cysteinydopa (5-S-CD)...
August 29, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30158363/combined-biomarkers-composed-of-environment-and-genetic-factors-in-stroke
#4
Yingying Wang, Jianfeng Liu, Hongyan Wu, Yunpeng Cai
It was widely accepted that stroke onset was the result of interactions between environment and genetic factors. However, the combined biomarkers covering environment and genetic factors and their interplay information in stroke were still lacking. In this study, we proposed a framework to identify the targeting or indicating role each factor played in the combined stroke biomarkers. A combined set of 36 biomarkers were identified based on evaluation and importance scores. Validations on three independent microarray data sets justified that the obtained markers were pervasively effective in discriminating stroke patients of different stages from healthy people on genetic levels...
August 29, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30158333/importance-of-bronchoscopic-lung-volume-reduction-coil-therapy-in-potential-candidates-for-lung-transplantation
#5
Askin Gulsen
Bronchoscopic lung volume reduction (BLVR) coil treatment is a alternative and promising treatment modality for selected severe emphysema patients. The main indication of this treatment modality is a forced expiration volume in one second (FEV1) of 15-45% and a residual volume (RV) > 175%. The aim of this study was to investigate the efficacy of BLVR coil therapy in patients with end-stage emphysema who were potential candidates for lung transplantation and had FEV1 values less than 25%. Twenty-one patients who underwent bilateral BLVR coil therapy between September 2013 and May 2015 were retrospectively reviewed...
August 28, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30146551/long-non-coding-rnas-as-emerging-regulators-of-epithelial-to-mesenchymal-transition-in-gynecologic-cancers
#6
Xiaojing Lin, Junjun Qiu, Keqin Hua
Gynecologic cancer is a vital global healthcare issue with high rates of mortality and morbidity. Tumor metastasis attributes to most of the death suffering from solid tumors. The epithelial-mesenchymal transition (EMT) plays a pivotal role in initiating metastasis. Long non-coding RNAs (lncRNAs), a well-known group of non-coding RNAs, and a prominent topic in life science research, are misregulated in many malignancies and some are EMT-associated. In the case of gynecologic cancers, several EMT-associated lncRNAs have been identified and found to be implicated in cancer aggressiveness and progression...
August 27, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30146550/children-with-gjb2-gene-mutations-have-various-audiological-phenotypes
#7
Xianlei Wang, Lihui Huang, Xuelei Zhao, Xueyao Wang, Xiaohua Cheng, Yating Du, Dongxin Liu
The current study retrospectively investigated variations in audiological phenotypes in children with GJB2 gene mutations. Subjects were 128 infants and young children who were seen as outpatients by Otology at Beijing Tongren Hospital from 2012 to 2018. Of the 128 subjects, 99 had biallelic truncating (T/T) mutations and 29 had truncating/nontruncating (T/NT) mutations. Genotypes, results of universal newborn hearing screening (UNHS), and the degree and symmetry of hearing loss were examined in the two groups...
August 27, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30146549/downregulation-of-lncrna-tug1-is-involved-in-ankylosing-spondylitis-and-is-related-to-disease-activity-and-course-of-treatment
#8
Xiaoyong Lan, Haiping Ma, Zhiping Zhang, Dong Ye, Jun Min, Feng Cai, Jun Luo
Long non-coding RNA taurine-upregulated gene 1 (lncRNA TUG1) promotes osteosarcoma, while its involvement in other bone diseases, such as ankylosing spondylitis (AS) is unknown. Expression of TUG1 in serum and open sacroiliac biopsies of AS patents and healthy controls was detected by real-time quantitative PCR (qRT-PCR). Ankylosing spondylitis disease activity score (ASDAS) system was used to evaluate disease activity. Receiver operating characteristic (ROC) curve analysis was performed to evaluate the diagnostic value of lncRNA TUG1 for AS...
August 27, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30146617/surgical-treatment-for-monolobular-caroli-s-disease-%C3%A2-report-of-a-30-year-single-center-case-series
#9
Takamune Yamaguchi, Alessandra Cristaudi, Takashi Kokudo, Emilie Uldry, Nicolas Demartines, Nermin Halkic
Congenital intrahepatic bile duct dilatation (Caroli's disease) is a rare biliary disease. Although multiple reports exist describing its surgical treatment, relatively few have provided long-term follow-up. Prospective data about 25 cases of monolobular Caroli's disease, with liver resection between 1974 and 2016, were retrospectively analyzed. Patient demographics together with postoperative outcomes and long-term follow-up were assessed. Our 25-patient cohort (average age 53.4 years (range: 27-82)) included 20 cases with disease limited to the left lobe, and 5 to the right...
August 26, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30146616/serum-cytokine-profiles-are-altered-in-patients-with-progressive-infantile-hemangioma
#10
Tomoka Yamashita, Masatoshi Jinnin, Katsunari Makino, Ikko Kajihara, Jun Aoi, Shinichi Masuguchi, Satoshi Fukushima, Hironobu Ihn
Infantile hemangioma sometimes grows rapidly to a significant size around the first 2 months of life, which can be problematic and even destroy normal tissue. However, it is very difficult to predict the tumor growth at the first visit and to decide necessity of treatment. Therefore the identification of the biomarkers that can indicate a tendency to grow is clinically very important. In the present study, we evaluated the possibility that serum cytokine levels are available as the marker of hemangioma growth...
August 26, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30146615/transcriptomic-responses-of-peripheral-blood-cells-to-coronary-artery-disease
#11
Mingshan Lin, Yuan Zhang, Zhaozhuo Niu, Yifan Chi, Qiang Huang
Transcriptomic response of peripheral blood cells to coronary artery diseases (CAD) is a long recognized phenomenon. Currently, accumulating evidence indicates that such response having significant clinical utility in CAD-associated events determination. In this review, we summarized the existing data of transcriptomic biomarkers at mRNA, microRNA, long non-coding RNA, and circular RNA for the diagnosis, progression and outcome prediction and treatment response of CAD. Furthermore, we also discussed the functional significance on the gene expression patterns caused by CAD, and emphasized the importance of inflammatory pathways in CAD tissues-blood cells interaction...
August 26, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30101836/clinical-significance-of-respiratory-compensation-during-exercise-testing-in-cardiac-patients
#12
Rujie Qin, Akira Koike, Osamu Nagayama, Yuta Takayanagi, Longmei Wu, Isao Nishi, Yuko Kato, Akira Sato, Takeshi Yamashita, Kazutaka Aonuma, Masaki Ieda
Ventilation (VE) increases linearly with the increase of carbon dioxide output (VCO2) during cardiopulmonary exercise testing. VE-VCO2 slope rises in parallel with exercise intensity, reaches a turning point (called the RC point), then steepens because of respiratory compensation for lactic acidosis. While this RC point can be identified universally, it is undetectable in some patients. In this study we evaluated whether the respiratory compensation during exercise testing has clinical significance in cardiac patients...
August 12, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30101835/association-between-the-mvk-rs2287218-snp-and-the-risk-of-coronary-heart-disease-and-ischemic-stroke-a-case-control-study
#13
Duo-Shun Wang, Rui-Xing Yin, Kai-Guang Li, Li Lu, Yuan Su, Rong-Qin Yan
The association between the mevalonate kinase gene (MVK) single nucleotide polymorphism (SNP) and serum lipid levels has been detected in several previous genome-wide association studies, but the results are inconsistent. In addition, it is still unclear whether the loci indentified exert the similar effect on the susceptibility of coronary heart disease (CHD) or ischemic stroke (IS). Therefore, the present study was undertaken to detect the association between the MVK rs2287218 SNP and serum lipid levels, the susceptibility of CHD and IS in a Southern Chinese Han population...
August 12, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30101834/clinicopathologic-characteristics-of-patients-with-tuberculosis-and-schizophrenia
#14
Chao Han, Maoshui Wang, Yu He
The clinicopathologic characteristics of patients with tuberculosis (TB) and schizophrenia are unclear. In order to facilitate early diagnosis and prompt treatment, a retrospective study was conducted in China. Subjects were 54 consecutive patients who were seen between October 2006 and December 2015. Data on demographic characteristics, underlying diseases, clinical features, and outcomes were collected from medical records using a standardized data collection form. Acid-fast bacilli were detected at a rate of 26...
August 12, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/30101826/correlation-of-genetic-diversity-between-hosts-and-parasites-in-entamoeba-nuttalli-isolates-from-tibetan-and-rhesus-macaques-in-china
#15
Miao Wei, Meng Feng, Yue Guan, Ce Guo, Hang Zhou, Yongfeng Fu, Hiroshi Tachibana, Xunjia Cheng
Entamoeba nuttalli infection is prevalent in captive and wild macaques. Recent studies have suggested that genotypes of E. nuttalli isolates are correlated with the geographical distribution of host macaques. Correlation of amoebic genotypes with genetic diversity of host macaques was analyzed in present study. Sixty fresh stool samples were obtained from wild Tibetan macaques living in Mount Huang (HS) of the An-hui Province in China. PCR analysis revealed that the most prevalent Entamoeba species was E. chattoni (E...
August 10, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/29952352/serum-containing-buyang-huanwu-decoction-prevents-age-associated-migration-and-invasion-of-human-vascular-smooth-muscle-cells-by-up-regulating-sirt1-expression
#16
Li Zhang, Chunshan Wei, Yunjun Ruan, Yanan Zhang, Yuliang Zhou, Da Lei
The migration and invasion of vascular smooth muscle cells (VSMCs) caused by advanced aging play an important role in diffuse intimal thickening, facilitate adverse arterial remodeling and contribute to the initiation and progression of cardiovascular diseases. The inhibitory function of Buyang Huanwu decoction (BYHWD) has been found on aortic intimal hyperplasia and VSMC proliferation, but its effect on age-associated migration and invasion remains unknown. Here, we used an in vitro angiotensin II (Ang II)-induced senescence model to study the effects of serum containing BYHWD (BYHWS) on the migratory and invasive capacities, matrix metalloprotease type 2 (MMP-2) expression and modulation of sirtuin1 (SIRT1) signaling in human aorta VSMCs (HA-VAMCs)...
July 17, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/29952351/long-non-coding-rna-linc00312-modulates-the-sensitivity-of-ovarian-cancer-to-cisplatin-via-the-bcl-2-caspase-3-signaling-pathway
#17
Chuanqi Zhang, Min Wang, Cong Shi, Fanli Shi, Cheng Pei
Chemotherapy is one of the main treatments for ovarian cancer (OC). Cisplatin combined with paclitaxel is a commonly used chemotherapy regimen. However, effective cancer therapy is hindered by a patient's resistance to cisplatin. The mechanism that potentially leads to that resistance is unclear. The current study examined the mechanism by which Linc00312 is involved in resistance to cisplatin in OC. Quantitative real-time PCR (RT-qPCR) was used to test for expression of Linc00312 in freshly frozen tissue samples of OC and in SKOV3 and SKOV3/DDP cells...
July 17, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/29952350/detection-of-chromosome-abnormalities-using-current-noninvasive-prenatal-testing-a-multi-center-comparative-study
#18
MULTICENTER STUDY
Yan Du, Jing Lin, Likun Lan, Ying Dong, Jun Zhu, Wen Jiang, Xinyao Pan, Youhui Lu, Dajin Li, Ling Wang
Noninvasive prenatal testing (NIPT) is increasingly recognized and utilized in the antenatal care field. In the current study, we aimed to evaluate the clinical application and compare test outcomes of two generations of currently used NIPT techniques for detecting fetal chromosome abnormalities in a high-risk prenatal population. A total of 7,252 pregnant women were included from twenty-one hospitals from January 2015 to September 2017. A maternal blood sample of each participant was collected for fetal DNA sequencing...
July 17, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/29925702/reducing-the-medical-economic-burden-of-health-insurance-in-china-achievements-and-challenges
#19
REVIEW
Guanshen Dou, Qun Wang, Xiaohua Ying
The aims of this study were to describe health insurance reforms initiated by the Chinese government over the past two decades, to review their achievements in reducing the medical economic burden, and to summarize the challenges that still exist regarding a further reduction in out-of-pocket expenditures in this country. China has successfully attained the goal of providing health insurance coverage to almost the entire population by developing a mixed health insurance system, which consists of Urban Employees Basic Medical Insurance (UEBMI), Urban Resident Basic Medical Insurance (URBMI), New Rural Cooperative Medical Scheme (NCMS), and supplementary Catastrophic Health Insurance...
July 17, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/29899195/bi-specific-ligand-controlled-chimeric-antigen-receptor-t-cell-therapy-for-non-small-cell-lung-cancer
#20
Wenqi Chu, Yixiong Zhou, Qi Tang, Min Wang, Yongjia Ji, Jingjing Yan, Dan Yin, Shuye Zhang, Hongzhou Lu, Jiayin Shen
Our goal is to develop a switch-controlled approach to enable better control of reactivity and safety of chimeric antigen receptor (CAR)-T therapy for non-small-cell lung cancer (NSCLC). Lentiviral transduction was performed to generate anti-FITC CAR-T cells and target cells stably expressing either isoform of the folate receptor. Colorimetric-based cytotoxic assay, enzyme-linked immunosorbent assay, and multiparametric flow cytometry analysis were used to evaluate the specificity and activity of CAR-T cells in vitro...
July 17, 2018: Bioscience Trends
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