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https://www.readbyqxmd.com/read/29706064/electron-attachment-to-microhydrated-deoxycytidine-monophosphate
#1
Jaroslav Kočišek, Barbora Sedmidubská, Suvasthika Indrajith, Michal Fárník, Juraj Fedor
DNA constituents are effectively decomposed via dissociative electron attachment (DEA). However, the DEA contribution to radiation damage in living tissues is a subject of ongoing discussion. We address an essential question, how aqueous environment influences the DEA to DNA. In particular, we report experimental fragmentation patterns for DEA to microhydrated 2-deoxycytidine 5-monophosphate (dCMP). Isolated dCMP was previously set as a model to describe mechanisms of DNA strand breaks induced by secondary electrons and decomposes primarily by dissociation of the C-O phosphoester bond...
April 29, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29703384/risk-undermined-in-the-bilateral-pharmaceutical-regulatory-system-in-taiwan
#2
REVIEW
Hui-Po Wang, Chun-Li Wang
The concept of Pharmacovigilance Planning and Risk Minimization Planning (PVP/RMP), initiated by the International Conference on Harmonization (ICH), addressed an important conceptual change from monitoring the safety of individual medicine to proactively conducting risk prevention for the minimization of medication error. However, the implementation of PVP/RMP is a challenge in societies like Taiwan where irrational medication and co-medication is prevalent. It is even more difficult in Taiwan where two regulatory bodies are governing pharmaceutical affairs, namely Taiwan Food and Drug Administration (TFDA) in charge of Western Medicine (WM) and the Department of Chinese Medicine and Pharmacy (DCMP) in charge of Traditional Chinese Medicine (TCM)...
April 2018: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/29648700/serial-echocardiographic-changes-with-different-body-positions-and-sleeping-side-preference-in-heart-failure-patients
#3
Muhammed Fatih Bayraktar, Ozcan Ozeke
BACKGROUND: The sleeping position plays an important role in overall health in both healthy individuals and heart failure (HF) patients, which complain of increasing dyspnea when adopting left lateral decubitus position (LLDP) that improves when turning over to the right lateral decubitus position (RLDP). Several theories have been proposed to explain this preference of HF patients; however, the underlying mechanisms remain unclear. METHOD: We evaluated consecutive dilated cardiomyopathy (DCMP) patients with regard to whether they had a sleeping position preference and analyzed early and late left ventricular filling velocities, tissue Doppler recordings, tricuspid annular plane systolic excursion (TAPSE), and left ventricular outflow tract time-velocity integral (LVOT-TVI)...
April 12, 2018: Echocardiography
https://www.readbyqxmd.com/read/29535775/stem-cell-therapy-in-patients-with-chronic-nonischemic-heart-failure
#4
REVIEW
Gregor Poglajen, Gregor Zemljič, Sabina Frljak, Andraž Cerar, Vesna Andročec, Matjaž Sever, Peter Černelč
Aim of the Review: The aim of this review is to discuss recent advances in clinical aspects of stem cell therapy in chronic nonischemic heart failure (DCMP) with emphasis on patient selection, stem cell types, and delivery methods. Recent Findings: Several stem cell types have been considered for the treatment of DCMP patients. Bone marrow-derived cells and CD34+ cells have been demonstrated to improve myocardial performance, functional capacity, and neurohumoral activation...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29411719/gender-differences-and-demographics-and-type-of-cardiac-device-over-a-10-year-period
#5
M Aktoz, M F Uçar, M A Yılmaztepe, G Taylan, S Altay
AIMS: This study aims to review the influence of gender-specific differences and patient demographics on cardiac device and pacing mode selection over a 10-year period. METHODS: We retrospectively reviewed patients who underwent first implantation of the cardiac device between January 1, 2006 and June 31, 2016. RESULTS: During the study period, 704 patients underwent first cardiac device implantation. Number of patients undergoing pacemaker was 452 and number of patients undergoing implantable cardioverter defibrillator/cardiac resynchronization therapy and defibrillator (ICD/CRT-D) was 252...
January 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29284891/anesthetic-management-of-a-patient-with-dilated-cardiomyopathy-and-end-stage-renal-disease-for-emergency-strangulated-hernia-repair-surgery
#6
Gaurav Sindwani, Aditi Suri, Amit Rastogi
Dilated cardiomyopathy (DCMP) is a myocardial disease associated with dilatation of one or both the ventricles, impaired myocardial contractility, decreased cardiac output, and increased ventricular filling pressures. Patients with end-stage renal disease are dependent on renal replacement therapy to survive and often manifest with a variety of pathological organ dysfunction. We present a case of DCMP and chronic kidney disease posted for emergency reduction of strangulated umbilical hernia under general plus epidural anesthesia...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29226258/photoelectrochemical-performance-of-n-doped-zno-branched-nanowire-photoanodes
#7
Shrok Allami, Zainab D Abid Ali, Ying Li, Hayder Hamody, Basher Hasan Jawad, Li Liu, Tianshu Li
A ZnO branched-nanowire (BNW) photoanode was doped with N for use in a photoelectrochemical cell (PEC) to generate H2 from water splitting. First, ZnO BNWs were synthesized by chemical bath deposition method. Two experimental methods were used for N-doping: the time-controlled direct-current glow discharge plasma (DCGDP) and the DC magnetron plasma (DCMP) methods, to optimize N-doping of the NW structure. X-ray photoelectron spectroscopy (XPS) provided the N distribution and atomic percentage in the BNWs. The XPS results confirmed that N distribution into ZnO BNWs occurred by N substitution of O sites in the ZnO structure and through well-screened molecular N2 ...
October 2017: Heliyon
https://www.readbyqxmd.com/read/29186482/alr-encoding-dcmp-deaminase-is-critical-for-dna-damage-repair-cell-cycle-progression-and-plant-development-in-rice
#8
Mei Niu, Yihua Wang, Chunming Wang, Jia Lyu, Yunlong Wang, Hui Dong, Wuhua Long, Di Wang, Weiyi Kong, Liwei Wang, Xiuping Guo, Liting Sun, Tingting Hu, Huqu Zhai, Haiyang Wang, Jianmin Wan
Deoxycytidine monophosphate deaminase (dCMP deaminase, DCD) is crucial to the production of dTTP needed for DNA replication and damage repair. However, the effect of DCD deficiency and its molecular mechanism are poorly understood in plants. Here, we isolated and characterized a rice albinic leaf and growth retardation (alr) mutant that is manifested by albinic leaves, dwarf stature and necrotic lesions. Map-based cloning and complementation revealed that ALR encodes a DCD protein. OsDCD was expressed ubiquitously in all tissues...
December 16, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28978409/specific-indications-and-clinical-outcome-in-patients-with-subcutaneous-implantable-cardioverter-defibrillator-icd-a-nationwide-multicentre-registry
#9
Michael Sponder, Cesar Khazen, Wolfgang Dichtl, Lukas Fiedler, Deddo Mörtl, Alexander Teubl, Clemens Steinwender, Martin Martinek, Michael Nürnberg, Daniel Dalos, Johannes Kastner, Christoph Schukro
BACKGROUND: Subcutaneous implantable cardioverter-defibrillators (S-ICD) are an innovative and less invasive alternative to transvenous ICD (TV-ICD) in selected patients. We aimed to investigate the underlying diseases and the specific indications for implanting S-ICD in clinical practice, as well as the prevalence of shock delivery and complications. METHODS AND RESULTS: From December 2012, data of 236 patients (30,5% female; age 48,6±16,8years) were gathered from 12 centres in Austria...
February 2018: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28912488/gene-expression-and-methylation-analyses-suggest-dctd-as-a-prognostic-factor-in-malignant-glioma
#10
Huimin Hu, Zheng Wang, Mingyang Li, Fan Zeng, Kuanyu Wang, Ruoyu Huang, Haoyuan Wang, Fan Yang, Tingyu Liang, Hua Huang, Tao Jiang
Malignant glioma is the most common brain cancer with dismal outcomes. Individual variation of the patients' survival times is remarkable. Here, we investigated the transcriptome and promoter methylation differences between patients of malignant glioma with short (less than one year) and the patients with long (more than three years) survival in CGGA (Chinese Glioma Genome Atlas), and validated the differences in TCGA (The Cancer Genome Atlas) to identify the genes whose expression levels showed high concordance with prognosis of glioma patients, as well as played an important role in malignant progression...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28885345/long-term-effectiveness-of-the-diabetes-conversation-map-program-a-prepost-education-intervention-study-among-type-2-diabetic-patients-in-taiwan
#11
Jui-Yu Hung, Pin-Fan Chen, Hanoch Livneh, Yi-Yu Chen, How-Ran Guo, Tzung-Yi Tsai
Health education is compulsory for patients with chronic and life-threatening disease, especially for those with diabetes mellitus (DM). This study aimed to examine the long-term effectiveness of the Diabetes Conversation Map Program (DCMP) among DM patients in Taiwan.A quasi-experimental research design using convenience sampling and nonrandom group assignment was applied to recruit 95 type 2 diabetic subjects from a hospital in Taiwan. In addition to routine care, the experiment group (n = 49) received 7 sessions of DCMP that delivered over 2 months, while the control group (n = 46) received only routine care during the same period...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28835847/patient-perspectives-of-an-individualized-diabetes-care-management-plan
#12
Ashley N Saucier, Benjamin Ansa, Janis Coffin, Mariam Akhtar, Andre Miller, Holly Mahoney, Denise M Hodo, Carla Duffie, Brittney Fontenot, Holly E Andrews, Selina A Smith
PURPOSE: This cross sectional study examines patients' knowledge, attitudes and beliefs about a diabetic care management plan (DCMP) that was developed to provide patient education on diabetes guidelines and display individual diabetic core measures. Secondary objectives included a comparison of diabetic core measures [hemoglobin A1C (HbA1C), systolic and diastolic blood pressure (SBP, DBP), low-density lipoprotein (LDL) and urine microalbumin (Um)] before and after DCMP implementation...
2017: European Journal for Person Centered Healthcare
https://www.readbyqxmd.com/read/28807888/spectroscopic-and-calorimetric-assays-reveal-dependence-on-dctp-and-two-metals-zn-2-mg-2-for-enzymatic-activity-of-schistosoma-mansoni-deoxycytidylate-dcmp-deaminase
#13
Jéssica Fernandes Scortecci, Vitor Hugo Balasco Serrão, Juliana Cheleski, Juliana Roberta Torini, Larissa Romanello, Ricardo DeMarco, Humberto D'Muniz Pereira
The parasite Schistosoma mansoni possess all pathways for pyrimidine biosynthesis, whereby deaminases play an essential role in the thymidylate cycle, a crucial step to controlling the ratio between cytidine and uridine nucleotides. In this study, we heterologously expressed and purified the deoxycytidylate (dCMP) deaminase from S. mansoni to obtain structural, biochemical and kinetic information. Small-angle X-ray scattering of this enzyme showed that it is organized as a hexamer in solution. Isothermal titration calorimetry was used to determine the kinetic constants for dCMP-dUMP conversion and the role of dCTP and dTTP in enzymatic regulation...
November 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28747695/compounds-that-enhance-the-tailing-activity-of-moloney-murine-leukemia-virus-reverse-transcriptase
#14
Yoshiyuki Ohtsubo, Yuji Nagata, Masataka Tsuda
In a previous study, we showed that MMLV-RT has a strong terminal transferase activity, and that the C-, G-, and T-tailing activities are enhanced by dGMP, dCMP, and dAMP, respectively. In this study, to achieve faster reaction and higher tailing efficiency, we screened other compounds for the ability to enhance the tailing activities of MMLV-RT, and determined the corresponding optimal concentrations. The C-, G-, and T-tailing activities were enhanced by guanine, cytosine, and adenine, respectively, and by derivatives thereof, suggesting a transient Watson-Click base pairing between an enhancer molecule and the nucleotide to be incorporated...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28690993/2q37-deletion-syndrome-confirmed-by-high-resolution-cytogenetic-analysis
#15
Eun-Kyung Cho, Jinsup Kim, Aram Yang, Sung Yoon Cho, Dong-Kyu Jin
Chromosome 2q37 deletion syndrome is a rare chromosomal disorder characterized by mild to moderate developmental delay, brachydactyly of the third to fifth digits or toes, short stature, obesity, hypotonia, a characteristic facial appearance, and autism spectrum disorder. Here, we report on a patient with 2q37 deletion presenting with dilated cardiomyopathy (DCMP). Congenital heart malformations have been noted in up to 20% of patients with 2q37 deletions. However, DCMP has not been reported in 2q37 deletion patients previously...
June 2017: Annals of Pediatric Endocrinology & Metabolism
https://www.readbyqxmd.com/read/28683825/diabetic-retinopathy-is-associated-with-diastolic-dysfunction-in-type-2-diabetic-patients-with-non-ischemic-dilated-cardiomyopathy
#16
Yoo-Ri Chung, Se-Jun Park, Ka Young Moon, Seoyoung Annie Choi, Hong-Seok Lim, Sung Wook Park, Jeong Hun Kim, Kihwang Lee
BACKGROUND: To investigate the association between diabetic retinopathy (DR) and myocardial dysfunction in patients with type 2 diabetes and dilated cardiomyopathy (dCMP). METHODS: Data were collected retrospectively from 89 patients with dCMP (46 with type 2 diabetes and 43 without diabetes) and no evidence of coronary artery disease. Echocardiographic parameters and laboratory data, including lipid profiles and fundus findings, were obtained from medical records...
July 6, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28682600/time-dependent-extension-from-an-8-oxoguanine-lesion-by-human-dna-polymerase-beta
#17
Andrew J Reed, Zucai Suo
The oxidative DNA lesion 7,8-dihydro-2'-deoxyguanine (8-oxoG) often occurs in double-stranded DNA and poses a threat to genomic integrity due to the ability of 8-oxoG to form stable Watson-Crick base pairs with deoxycytidine (8-oxoG:dC) and Hoogsteen base pairs with deoxyadenosine (8-oxoG:dA). In humans, short-patch base excision repair of 8-oxoG:dA base pairs requires human DNA polymerase β (hPolβ) to bypass 8-oxoG. Previously, we have shown hPolβ-catalyzed 8-oxoG bypass to exhibit low fidelity and identified a unique stacking interaction between the newly incorporated nucleotide (dCMP or dAMP) and the templating 8-oxoG...
July 6, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28650656/cytotoxic-and-mutagenic-properties-of-c3-epimeric-lesions-of-2-deoxyribonucleosides-in-escherichia-coli-cells
#18
Pengcheng Wang, Nicholas J Amato, Yinsheng Wang
Reactive oxygen species (ROS), resulting from endogenous metabolism and/or environmental exposure, can induce damage to the 2-deoxyribose moiety in DNA. Specifically, a hydrogen atom from each of the five carbon atoms in 2-deoxyribose can be abstracted by hydroxyl radical, and improper chemical repair of the ensuing radicals formed at the C1', C3', and C4' positions can lead to the stereochemical inversion at these sites to yield epimeric 2-deoxyribose lesions. Although ROS-induced single-nucleobase lesions have been well studied, the biological consequences of the C3'-epimeric lesions of 2'-deoxynucleosides, i...
July 25, 2017: Biochemistry
https://www.readbyqxmd.com/read/28465969/study-of-vitamin-d-status-in-patients-with-dilated-cardiomyopathy-at-a-teaching-hospital-in-north-india
#19
S Priya, Zeba Siddiqi, Ritu Karoli, Jalees Fatima, Saumya Gupta, Ritu Mishra
BACKGROUND/INTRODUCTION: Recent studies have indicated a much broader role to Vitamin D than simply the regulation of calcium metabolism alone. Vitamin D likely confers physiologically relevant pleiotropic functions that include cardioprotective and immunomodulatory effect, and its deficiency could lead to increased risk of cardiovascular disease and heart failure. AIM: The aim of our work was to evaluate the presence of hypovitaminosis D in patients with dilated cardiomyopathy (DCMP) and to study any correlation of echocardiographic parameters with Vitamin D deficiency...
July 2016: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28459633/identification-of-human-ump-cmp-kinase-1-as-doxorubicin-binding-target-using-protein-microarray
#20
Shuxian Chen, Xu Wang, Xianghui Ye, Donghui Ma, Caiwei Chen, Junlong Cai, Yongfeng Fu, Xunjia Cheng, Yun Chen, Xiaohai Gong, Jian Jin
Doxorubicin (DOX) is a leading anthracycline drug with exceptional efficacy; however, little is known about the molecular mechanisms of its side effects, which include heart muscle damage, noncancerous cell death, and drug resistance. A total of 17,950 human proteins expressed in HEK293 cells were screened and yielded 14 hits. Competitive and binding experiments further verified the binding of DOX to UMP/CMP kinase 1 (CMPK1), and microscale thermophoresis showed that DOX binds to CMPK1 with a Kd of 1216 nM...
September 2017: SLAS Discovery
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