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https://www.readbyqxmd.com/read/28216152/1-25-dihydroxyvitamin-d3-prevents-the-development-of-diabetic-cardiomyopathy-in-type-1-diabetic-rats-by-enhancing-autophagy-via-inhibiting-the-%C3%AE-catenin-tcf4-gsk-3%C3%AE-mtor-pathway
#1
Huili Wei, Hua Qu, Hang Wang, Baolan Ji, Yao Ding, Dan Liu, Yang Duan, Huimin Liang, Chuan Peng, Xiaoqiu Xiao, Huacong Deng
Diabetic cardiomyopathy (DCM) can increase the risk of heart failure and death in diabetic patients. However, no effective approaches are available to prevent its progression and development. Studies have shown that vitamin D is greatly implicated in cardiac hypertrophy and fibrosis, and there is a high prevalence of vitamin D deficiency in diabetic patients. In this study, we investigated whether 1,25-Dihydroxyvitamin-D3 (1,25D3) can improve DCM through a vitamin D receptor (VDR)-dependent mechanism associated with autophagy and the β-catenin/T-cell factor/lymphoid enhancer factor (TCF4)/glycogen synthase kinase-3β (GSK-3β)/mammalian target of rapamycin (mTOR) pathway...
February 16, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28214869/effects-of-antimalarial-tafenoquine-on-blood-platelet-activity-and-survival
#2
Hang Cao, Rosi Bissinger, Anja T Umbach, Abdulla Al Mamun Bhuyan, Florian Lang, Meinrad Gawaz
BACKGROUND/AIMS: The 8-aminoquinoline tafenoquine has been shown to be effective against Plasmodia, Leishmania and Trypanosoma. The substance is at least in part effective by triggering apoptosis of the parasites. Moreover, tafenoquine has been shown to trigger eryptosis, the suicidal erythrocyte death characterized by cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the erythrocyte surface. The effect of tafenoquine on eryptosis is in part due to stimulation of Ca2+ entry and oxidative stress...
January 26, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28209998/cervical-pessary-for-prevention-of-preterm-birth-a-meta-analysis
#3
Xin-Hang Jin, Dan Li, Li-Li Huang
To investigate the efficacy of cervical pessary placement in preventing preterm birth and perinatal morbidity and mortality in asymptomatic women with a singleton pregnancy and a short cervix, we searched literature in relevant databases. The meta-analysis of the 3 included trials (1412 women) showed cervical pessary placement did not reduce the risk of spontaneous preterm birth <34 weeks in these women (risk ratio (RR), 0.71; 95% confidence interval (CI), 0.21-2.43, P = 0.59; I(2) = 90%). The sensitivity analyses by excluding one trial at one time showed the same results...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28193608/dectin-2-deficiency-modulates-th1-differentiation-and-improves-wound-healing-after-myocardial-infarction
#4
Xiaoxiang Yan, Hang Zhang, Qin Fan, Jian Hu, Rong Tao, Qiujing Chen, Yoichiro Iwakura, Weifeng Shen, Lin Lu, Qi Zhang, Ruiyan Zhang
Rationale: Macrophages are involved in wound healing after myocardial infarction (MI). The role of Dectin-2, a pattern recognition receptor mainly expressed on myeloid cells, in the infarct healing remains unknown. Objective: To determine whether Dectin-2 signaling is involved in the healing process and cardiac remodeling after MI, and to elucidate the underlying molecular mechanisms. Methods and Results: In a mouse model of permanent coronary ligation, Dectin-2, mainly expressed in macrophages, was shown to be increased in the early phase after MI...
February 13, 2017: Circulation Research
https://www.readbyqxmd.com/read/28176336/effect-of-hypothermic-machine-perfusion-on-the-preservation-of-kidneys-donated-after-cardiac-death-a-single-center-randomized-controlled-trial
#5
Wei Wang, Dawei Xie, Xiaopeng Hu, Hang Yin, Hang Liu, Xiaodong Zhang
To assess the application of a hypothermic machine perfusion device (LifePort) in kidney transplantation from donation after cardiac death (DCD) donors, 24 pairs of DCD kidneys were randomly divided into two groups: one of the paired kidneys from the same donor was perfused with the LifePort machine (hypothermic machine perfusion [HMP]), and the contralateral kidney was prepared using common static cold preservation (CCP). The two groups were compared with respect to the incidence of delayed graft function (DGF), level of graft function, and pathological changes in time-zero biopsy specimens...
February 8, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28169543/novel-ent-kaurane-diterpenoid-from-rubus-corchorifolius-l-f-inhibits-human-colon-cancer-cell-growth-via-inducing-cell-cycle-arrest-and-apoptosis
#6
Xuexiang Chen, Xian Wu, Wen Ouyang, Min Gu, Zili Gao, Mingyue Song, Yunjiao Chen, Yanyin Lin, Yong Cao, Hang Xiao
The tender leaves of Rubus corchorifolius L. f. have been consumed as tea for drinking in China since ancient times. In this study, a novel ent-kaurane diterpenoid was isolated and identified from R. corchorifolius L. f. leaves as ent-kaur-2-one-16β,17-dihydroxy-acetone-ketal (DEK). DEK suppressed the growth of HCT116 human colon cancer cells with an IC50 value of 40 ± 0.21 μM, while it did not cause significant growth inhibition on CCD-18Co human colonic myofibroblasts at up to100 μM. Moreover, DEK induced extensive apoptosis and S phase cell cycle arrest in the colon cancer cells...
February 13, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28166461/factors-associated-with-suicide-in-four-age-groups-a-population-based-study
#7
S O'Neill, E Ennis, C Corry, B Bunting
: Background; Life events and circumstances leading to death change throughout the life course. Aims; Four age groups within those who have died by suicide are compared in terms method of suicide, sex, occupation, mental disorders, prior suicide attempts and life events prior to death. Methods; Analyses were based on a database of deaths by suicide and undetermined intent based on data in the NI coronial files from 2005-2011 (N = 1667). Results; Hanging is very prominent as a method of death within the under 20 age group...
February 6, 2017: Archives of Suicide Research: Official Journal of the International Academy for Suicide Research
https://www.readbyqxmd.com/read/28165459/coptisine-from-rhizoma-coptidis-suppresses-hct-116-cells-related-tumor-growth-in-vitro-and-in-vivo
#8
Tao Huang, Yubo Xiao, Lin Yi, Ling Li, Meimei Wang, Cheng Tian, Hang Ma, Kai He, Yue Wang, Bing Han, Xiaoli Ye, Xuegang Li
Colorectal cancer is one of the most common causes of cancer-related death in humans. Coptisine (COP) is a natural alkaloid from Coptidis Rhizoma with unclear antitumor mechanism. Human colon cancer cells (HCT-116) and xenograft mice were used to systematically explore the anti-tumor activity of COP in this study. The results indicated that COP exhibited remarkably cytotoxic activities against the HCT-116 cells by inducing G1-phase cell cycle arrest and increasing apoptosis, and preferentially inhibited the survival pathway and induced the activation of caspase proteases family of HCT-116 cells...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28157394/how-well-prepared-are-medical-and-nursing-students-to-identify-common-hazards-in-the-icu
#9
Alison S Clay, Saumil M Chudgar, Kathleen M Turner, Jacqueline Vaughn, Nancy W Knudsen, Jeanne M Farnan, Vineet M Arora, Margory A Molloy
RATIONALE: Care in the hospital is hazardous. Harm in the hospital may prolong hospitalization, increase suffering, result in death, and increase costs of care. While the interprofessional team is critical to eliminating hazards that may result in adverse events to patients, professional students' formal education may not prepare students adequately for this role. OBJECTIVES: To determine if medical and nursing students can identify hazards of hospitalization that could result in harm to patients and to detect differences between professions in the types of hazards identified...
February 3, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28154877/dietary-5-demethylnobiletin-inhibits-cigarette-carcinogen-nnk-induced-lung-tumorigenesis-in-mice
#10
Mingyue Song, Xian Wu, Noppawat Charoensinphon, Minqi Wang, Jinkai Zheng, Zili Gao, Fei Xu, Zhengze Li, Fang Li, Jiazhi Zhou, Hang Xiao
5-Demethylnobiletin (5DN) is a unique citrus flavonoid with various beneficial bioactivities. In this study, we determined the inhibitory effects of 5DN and its two major metabolites in the 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)-induced lung tumorigenesis mouse model as well as in human and mouse lung cancer cell models. In NNK-treated female A/J mice, dietary administration of 5DN (0.025% or 0.05% w/w in the diet) significantly decreased both lung tumor multiplicity and tumor volume. Immunohistochemical analysis showed strong anti-proliferative effects of 5DN in lung tumors...
February 3, 2017: Food & Function
https://www.readbyqxmd.com/read/28142087/synergistic-activity-of-n-hydroxy-7-2-naphthylthio-heptanomide-and-sorafenib-against-cancer-stem-cells-anaplastic-thyroid-cancer
#11
Ki Cheong Park, Seok-Mo Kim, Jeong Yong Jeon, Bup-Woo Kim, Hyeung Kyoo Kim, Ho Jin Chang, Yong Sang Lee, Soo Young Kim, Seung Hoon Choi, Cheong Soo Park, Hang-Seok Chang
Anaplastic thyroid carcinoma (ATC) although rare is the most deadly form of thyroid cancer. The fatality rate for ATC is high-pitched, the survival rate at 1 year after diagnosis is <20%. Control of ATC is severely hard and widespread with unpredictability. We Previous proved that histone gene reviser and epigenetic changes role significant parts in papillary and anaplastic thyroid cancer tumorigenesis. Herein, the goal of this study was to investigate the anti-tumor activities of a HDAC inhibitor, HNHA alone and in combination with sorafenib in ATC cells in vitro and in vivo and to explore its effects on apoptotic cell death pathways...
January 27, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28139221/long-term-prognostic-value-of-lipoprotein-a-in-symptomatic-patients-with-nonobstructive-coronary-artery-disease
#12
Hao Xie, Liming Chen, Hang Liu, Yuqi Cui, Zhun Zhang, Lianqun Cui
Our study aimed to evaluate the association of lipoprotein(a) [Lp(a)] and prognosis in patients with nonobstructive coronary artery disease (CAD). A total of 4,254 symptomatic patients with suspected CAD referred for coronary angiography were analyzed and 451 patients (250 women, average age 58 ± 9 years) with nonobstructive CAD (defined as no angiographic stenosis ≥50% in any major epicardial artery) were finally included in our cohort. Subjects were categorized into tertile groups according to Lp(a) levels on admission...
January 5, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28092798/acute-kidney-injury-and-risk-of-deep-vein-thrombosis-and-pulmonary-embolism-in-taiwan-a-nationwide-retrospective-cohort-study
#13
Tsung-Hang Kuo, Hsin-Yang Li, Sheng-Hsiang Lin
INTRODUCTION: Chronic kidney disease (CKD) increases risk for deep vein thrombosis (DVT) and pulmonary embolism (PE). However, few studies have investigated the relationship between acute kidney injury (AKI) and risk of DVT and PE. Therefore, we conducted a nationwide longitudinal cohort study to determine whether patients with AKI are associated with increased risk of developing DVT and PE. METHODS: We included >30years-old inpatients (n=4734) receiving the diagnosis of AKI from 2000 to 2006 and their age-and sex-matched non-AKI inpatients using medical service in the same year (n=47...
January 6, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28088494/the-n-butyl-alcohol-extract-from-hibiscus-rosa-sinensis-l-flowers-enhances-healing-potential-on-rat-excisional-wounds
#14
Hui-Min Shen, Chun Chen, Ji-Yang Jiang, Yi-Lin Zheng, Wen-Feng Cai, Bin Wang, Zhen Ling, Liu Tang, Yuan-Hang Wang, Gang-Gang Shi
ETHNO-PHARMACOLOGICAL RELEVANCE: Hibiscus rosa-sinensis L. (HRS), a folk medicine named Zhujin in China, possess anti-tumor, antioxidant, antibacterial, low density lipoprotein oxidation prevention and macrophage death prevention effects. The leaves and red flowers of HRS have been traditionally used to treat with furuncle and ulceration. AIM OF THE STUDY: To investigate the efficacy and possible mechanism of the N-butyl alcohol extract of HRS (NHRS) red flowers in wound healing by analyzing the collagen fiber deposition, angiogenic activity and macrophages action of the NHRS...
January 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28079530/can-intoxication-status-be-used-as-a-prediction-tool-for-manner-of-death-a-comparison-of-the-intoxication-status-in-violent-suicides-and-homicides
#15
D Kimberley Molina, Veronica M Hargrove
Determining the manner of death in medicolegal death investigations can be difficult. The investigator relies on many facets of death investigation, including the circumstances of death and autopsy examination. A study was designed to analyze whether the intoxication status of the decedent could be used as another tool in death investigations. The intoxication status of violent (nonoverdose or poisoning) suicides and homicides was retrospectively reviewed and compared. A total of 625 deaths were identified, including 366 suicides and 259 homicides...
March 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28035421/digitoxin-synergizes-with-sorafenib-to-inhibit-hepatocelluar-carcinoma-cell-growth-without-inhibiting-cell-migration
#16
Yijun Xiao, Wei Yan, Libin Guo, Chen Meng, Bin Li, Henrique Neves, Peng-Chen Chen, Ling Li, Yide Huang, Hang Fai Kwok, Yao Lin
Sorafenib is a chemotherapeutic agent approved for the treatment of hepatocellular carcinoma (HCC) in China. Digitoxin is a cardiotonic drug, which has been demonstrated to exhibit anticancer effects in a number of cancers, but not in HCC. The aim of the present study was to evaluate the combinational effect of sorafenib and digitoxin on the treatment of HCC and to investigate the relevant molecular mechanisms of action that underlie these effects. The proliferation, cell death and migration of HCC cell lines, HepG2 and BEL‑7402, were examined using MTT, acridine orange/ethidium bromide staining and scratch wound healing assays, respectively...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28009987/pericardial-effusion-is-correlated-with-clinical-outcome-after-pulmonary-artery-denervation-for-pulmonary-arterial-hypertension
#17
Shao-Liang Chen, Hang Zhang, Du-Jiang Xie, Juan Zhang, Ling Zhou, Meng-Xuan Chen, Gregg W Stone
OBJECTIVES: Pericardial effusion (PE) is correlated with outcomes in patients with pulmonary arterial hypertension (PAH). Pulmonary artery denervation (PADN) was used for treatment of PAH. The present study aimed to analyze the prognostic value of PE for outcomes after PADN in patients with WHO Group I, Group II and Group IV PAH. RESULTS: PE, frequently seen in patients with connective tissue disease, was featured by fast heart rate, decreased exercise capacity, more syncope, worsening pulmonary arterial hemodynamic and right atrium size...
December 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/28008144/preoperatively-staging-liver-fibrosis-using-noninvasive-method-in-hepatitis-b-virus-infected-hepatocellular-carcinoma-patients
#18
Hengyi Gao, Feng Zhu, Min Wang, Hang Zhang, Dawei Ye, Jiayin Yang, Li Jiang, Chang Liu, Renyi Qin, Lunan Yan, Guangqin Xiao
BACKGROUND: Advanced liver fibrosis can result in serious complications (even patient's death) after partial hepatectomy. Preoperatively percutaneous liver biopsy is an invasive and expensive method to assess liver fibrosis. We aim to establish a noninvasive model, on the basis of preoperative biomarkers, to predict liver fibrosis in hepatocellular carcinoma (HCC) patients with hepatitis B virus (HBV) infection. METHODS: The HBV-infected liver cancer patients who had received hepatectomy were retrospectively and prospectively enrolled in this study...
December 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27987591/nintedanib-plus-pemetrexed-versus-placebo-plus-pemetrexed-in-patients-with-relapsed-or-refractory-advanced-non-small-cell-lung-cancer-lume-lung-2-a-randomized-double-blind-phase-iii-trial
#19
Nasser H Hanna, Rolf Kaiser, Richard N Sullivan, Osvaldo Rudy Aren, Myung-Ju Ahn, Beatrice Tiangco, Isabelle Voccia, Joachim von Pawel, Vladimir Kovcin, Jason Agulnik, Birgit Gaschler-Markefski, José Barrueco, Patricia Sikken, Charles Schloss, Joo-Hang Kim
OBJECTIVES: LUME-Lung 2 investigated the efficacy/safety of nintedanib plus pemetrexed in patients with pretreated non-squamous non-small cell lung cancer (NSCLC). MATERIALS AND METHODS: Patients with stage IIIB/IV or recurrent non-squamous NSCLC who had received one prior chemotherapy regimen were randomized (1:1 stratified by histology [adenocarcinoma/non-adenocarcinoma], prior bevacizumab, Eastern Cooperative Oncology Group performance status and presence of brain metastases) to receive intravenous pemetrexed 500mg/m(2) on Day 1 plus nintedanib 200mg orally twice daily or matching placebo on Days 2-21, every 3 weeks until progression/unacceptable toxicity...
December 2016: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/27984000/flavonoid-dimers-are-highly-potent-killers-of-multidrug-resistant-cancer-cells-overexpressing-mrp1
#20
Lauriane Dury, Rachad Nasr, Doriane Lorendeau, Elisabeta Comsa, Iris Wong, Xuezhen Zhu, Kin-Fai Chan, Tak-Hang Chan, Larry Chow, Pierre Falson, Attilio Di Pietro, Hélène Baubichon-Cortay
MRP1 overexpression in multidrug-resistant cancer cells has been shown to be responsible for collateral sensitivity to some flavonoids that stimulate a huge MRP1-mediated GSH efflux. This massive GSH depletion triggers the death of these cancer cells. We describe here that bivalent flavonoid dimers strikingly stimulate such MRP1-mediated GSH efflux and trigger a 50-100 fold more potent cell death than their corresponding monomers. This selective and massive cell death of MRP1-overexpressing cells (both transfected and drug-selected cell lines) is no longer observed either upon catalytic inactivation of MRP1 or its knockdown by siRNA...
January 15, 2017: Biochemical Pharmacology
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