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https://www.readbyqxmd.com/read/28430425/environmental-growth-of-enterococci-and-escherichia-coli-in-feedlot-catch-basins-and-a-constructed-wetland-in-the-absence-of-fecal-input
#1
Lisa Tymensen, Calvin W Booker, Sherry J Hannon, Shaun R Cook, Rahat Zaheer, Ron Read, Tim A McAllister
Population structures of fecal indicator bacteria (FIB) isolated from catch basins, a constructed wetland, and feces from a beef cattle feedlot were compared over a two-year period. Enterococcus hirae accounted for 92% of the fecal isolates, whereas secondary environments were characterized by greater relative abundance of environmentally adapted species including Enterococcus casseliflavus. While enterococci densities in the catch basins and wetland were similar under wet and drought conditions, E. hirae predominated during rainy periods while E...
April 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28427899/energy-and-information-flows-in-biological-systems-bioenergy-transduction-of-v1-atpase-rotary-motor-and-dynamics-of-thermodynamic-entropy-in-information-flows
#2
REVIEW
Ichiro Yamato, Takeshi Murata, Andrei Khrennikov
We classify research fields in biology with respect to flows of materials, energy, and information. We investigate energy transducing mechanisms in biology, using as a representative the typical molecular rotary motor V1-ATPase from a bacterium Enterococcus hirae. The structures of several intermediates of the rotary motor are described and the molecular mechanism of the motor converting chemical energy into mechanical energy is discussed. Comments and considerations on the information flows in biology, especially on the thermodynamic entropy in quantum physical and biological systems, are presented in section 3 in a biologist friendly manner...
April 17, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28427844/cost-effectiveness-of-influenza-vaccination-in-patients-with-acute-coronary-syndrome-in-korea
#3
Jinuk Suh, Boyeon Kim, Yunseok Yang, Dong-Churl Suh, Eunyoung Kim
BACKGROUND: Influenza can cause cardiovascular abnormalities by inappropriately activating the coagulation cascade. Therefore, influenza vaccination is important because it decreases the risk of hospitalization for and mortality associated with heart disease. In particular, it reduces the occurrence of major adverse cardiovascular events (MACEs) in acute coronary syndrome (ACS) patients. Our study aimed to estimate the disease burden of MACEs and its related direct and indirect costs in ACS patients...
April 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28425985/the-cellular-senescence-of-leukemia-initiating-cells-from-acute-lymphoblastic-leukemia-is-postponed-by-%C3%AE-arrestin1-binding-with-p300-sp1-to-regulate-htert-transcription
#4
Shan Liu, Haiyan Liu, Ru Qin, Yi Shu, Zhidai Liu, Penghui Zhang, Caiwen Duan, Dengli Hong, Jie Yu, Lin Zou
Although we previously reported that the self-renewal of leukemia-initiating cells of B-lineage acute lymphoblastic leukemia (B-ALL LICs) was regulated by β-Arrestin1, a multiple-function protein, the cellular senescence is critical for LICs fate and leukemia progress, and worthy for further investigation. Here we found that depletion of β-Arrestin1 extended the population doubling time and the percentage of senile cells, the signatures of cellular senescence, of B-ALL LICs. Moreover, lack of β-Arrestin1 enhanced the expression of proteins (CBX, HIRA) and genes (P53, P16) related to senescence in leukemic Reh cells and B-ALL-LICs-derived leukemic mice...
April 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28423963/patient-perceptions-of-environmental-control-units-experiences-of-veterans-with-spinal-cord-injuries-and-disorders-receiving-inpatient-va-healthcare
#5
Bella Etingen, Rachael N Martinez, Marissa A Vallette, Ryan Dendinger, Balmatee Bidassie, Scott Miskevics, Hira T Khan, Huberta T Cozart, Sara M Locatelli, Frances M Weaver
PURPOSE: To assess patients' perceptions of environmental control units (ECUs) at Veterans Affairs Spinal Cord Injury Centers. MATERIALS AND METHODS: A brief questionnaire was conducted with patients in real-time while they were hospitalised ("on-the-spot questionnaire"); a survey was mailed to patients who had recently been discharged from a hospital stay ("discharge survey"). Data were analysed using descriptive statistics. RESULTS: Seventy on-the-spot questionnaires and 80 discharge surveys were collected...
April 19, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28412398/recent-update-on-nanoemulgel-as-topical-drug-delivery-system
#6
REVIEW
Hira Choudhury, Bapi Gorain, Manisha Pandey, Lipika Alok Chatterjee, Pinaki Sengupta, Arindam Das, Nagashekhara Molugulu, Prashant Kesharwani
Being an emerging transdermal delivery tool, nanoemulgel, has proved to show surprising upshots for the lipophilic drugs over other formulations. This lipophilic nature of majority of the newer drugs developed in this modern era resulting in poor oral bioavailability, erratic absorption and pharmacokinetic variations. Therefore, this novel transdermal delivery system has been proved to be advantageous over other oral and/or topical drug delivery to avoid such disturbances. These nanoemulgels are basically oil-in-water nanoemulsions gelled with the use of some gelling agent in it...
April 12, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28394909/depression-in-breast-cancer-patients-who-have-undergone-mastectomy-a-national-cohort-study
#7
Min-Su Kim, So Young Kim, Jin-Hwan Kim, Bumjung Park, Hyo Geun Choi
OBJECTIVE: The objective of this study was to compare the incidence of post-operative depression in breast cancer patients who have undergone mastectomy with the incidence of post-operative depression in non-breast cancer participants (controls). METHODS: Using data from the Korean Health Insurance Review and Assessment Service (HIRA), we selected 2,130 patients with breast cancer who have undergone mastectomy for this national cohort study and matched these patients 1:4 with 8,520 control participants according to age, sex, income, region, and pre-operative depression...
2017: PloS One
https://www.readbyqxmd.com/read/28390604/protective-role-of-misoprostol-in-prevention-of-gentamicin-ototoxicity
#8
Murat Dogan, Halil Polat, Mehmet Yasar, Ali Bayram, Duran Karatas, İbrahim Hira, Ahmet Kale, Fatma Senel, İbrahim Özcan
OBJECTIVES: To demonstrate potential protective effect of misoprostol on cochlear toxicity caused by gentamicin with electrophysiological tests and histopathological studies. MATERIALS AND METHODS: The study included 80 ears of 40 rats with normal hearing threshold and DPOAE value in both ears. Animals were assigned into 4 groups. The rats were randomized into 4 groups. Group I (n = 10): Gentamicin, Group II (n = 10): Gentamicin plus misoprostol, Group III (n = 10): Saline; Group IV (n = 10): Misoprostol...
May 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28384907/a-study-of-haematological-and-haemostasis-parameters-and-hypercoagulable-state-in-tuberculosis-patients-in-northern-india-and-the-outcome-with-anti-tubercular-therapy
#9
Aditya Singh Kutiyal, Naresh Gupta, Sandeep Garg, Harmanjit Singh Hira
INTRODUCTION: Tuberculosis is one of the leading infectious diseases with high morbidity and mortality in the developing countries. Tuberculosis is also rarely associated with hypercoagulable state and very limited literature is available on this association. AIM: To study the haematological and haemostasis laboratory parameters, to correlate the abnormalities for a hypercoagulable state and to study the outcome with anti-tubercular therapy. MATERIALS AND METHODS: The study population included 128 patients with newly diagnosed tuberculosis...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28381790/the-wd40-domain-of-hira-is-essential-for-ri-nucleosome-assembly-in-xenopus-egg-extracts
#10
Ruibin Zhu, Mari Iwabuchi, Keita Ohsumi
Histone chaperones are a group of histone-binding proteins that facilitate the assembly of nucleosomes, the fundamental structural units of chromatin in eukaryotes. In nucleosome assembly, deposition of a histone H3-H4 tetramer onto DNA is the first and critical step, which is mediated by the histone chaperones HIRA and CAF-1. HIRA and CAF-1 are reportedly involved in DNA replication independent (RI) and replication coupled nucleosome assembly, respectively. However, the mechanisms by which they mediate histone deposition remain unclear...
2017: Cell Structure and Function
https://www.readbyqxmd.com/read/28378543/towards-actualizing-the-value-potential-of-korea-health-insurance-review-and-assessment-hira-data-as-a-resource-for-health-research-strengths-limitations-applications-and-strategies-for-optimal-use-of-hira-data
#11
REVIEW
Jee Ae Kim, Seokjun Yoon, Log Young Kim, Dong Sook Kim
Health Insurance and Review Assessment (HIRA) in South Korea, also called National Health Insurance (NHI) data, is a repository of claims data collected in the process of reimbursing healthcare providers. Under the universal coverage system, having fee-for-services covering all citizens in South Korea, HIRA contains comprehensive and rich information pertaining to healthcare services such as treatments, pharmaceuticals, procedures, and diagnoses for almost 50 million beneficiaries. This corpus of HIRA data, which constitutes a large repository of data in the healthcare sector, has enormous potential to create value in several ways: enhancing the efficiency of the healthcare delivery system without compromising quality of care; adding supporting evidence for a given intervention; and providing the information needed to prevent (or monitor) adverse events...
May 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28367200/the-relationship-between-dispositional-empathy-and-prefrontal-cortical-functioning-in-patients-with-frontal-lobe-epilepsy
#12
Amara Gul, Hira Ahmad
BACKGROUND & OBJECTIVE: Rehabilitation focuses brain-behavior relationship which highlights interaction between psychological and neurobiological factors for better patient care. There is a missing link in the literature about socio-cognitive aspects of frontal lobe epilepsy. Our objective was to examine prefrontal cortical functioning (PCF) and empathic abilities in patients with frontal lobe epilepsy (FLE). Further, we analyzed whether any relationship between components of dispositional empathy and PCF exists in patients with FLE...
January 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28363872/novel-therapeutic-strategies-to-target-leukemic-cells-that-hijack-compartmentalized-continuous-hematopoietic-stem-cell-niches
#13
REVIEW
Vashendriya V V Hira, Cornelis J F Van Noorden, Hetty E Carraway, Jaroslaw P Maciejewski, Remco J Molenaar
Acute myeloid leukemia and acute lymphoblastic leukemia cells hijack hematopoietic stem cell (HSC) niches in the bone marrow and become leukemic stem cells (LSCs) at the expense of normal HSCs. LSCs are quiescent and resistant to chemotherapy and can cause relapse of the disease. HSCs in niches are needed to generate blood cell precursors that are committed to unilineage differentiation and eventually production of mature blood cells, including red blood cells, megakaryocytes, myeloid cells and lymphocytes...
March 28, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28345574/differential-cataract-blindness-by-sex-in-india-evidence-from-two-large-national-surveys
#14
Hira B Pant, Souvik Bandyopadhyay, Neena John, Anil Chandran, Murthy Venkata S Gudlavalleti
AIMS: Women suffer disproportionately more from cataract blindness compared to males in low- and middle-income countries. Two large population-based surveys have been undertaken in India at an interval of 7 years and data from these surveys provided an opportunity to assess the trends in gender differentials in cataract blindness. MATERIALS AND METHODS: Data were extracted from the surveys to discern sex differences in cataract blindness. Multivariate analysis was performed to adjust for confounders and their impact on gender differences in cataract blindness...
February 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28342109/sensitivity-to-enterocins-of-biogenic-amine-producing-faecal-enterococci-from-ostriches-and-pheasants
#15
Andrea Lauková, Anna Kandričáková, Leona Buňková, Pavel Pleva, Jana Ščerbová
Enterococci are widespread bacteria forming the third largest genus among lactic acid bacteria. Some possess probiotic properties or they can produce beneficial proteinaceous antimicrobial substances called enterocins. On the other hand, some enterococci produce biogenic amines (BAs), so this study is focused on the sensitivity to enterocins of biogenic amine-producing faecal enterococci from ostriches and pheasants. Altogether, 60 enterococci isolated from faeces of ostriches and pheasants were tested for production of BAs...
March 24, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28341773/pml-protein-organizes-heterochromatin-domains-where-it-regulates-histone-h3-3-deposition-by-atrx-daxx
#16
Erwan Delbarre, Kristina Ivanauskiene, Jane Spirkoski, Akshay Shah, Kristin Vekterud, Jan Øivind Moskaug, Stig Ove Bøe, Lee Wong, Thomas Küntziger, Philippe Collas
Maintenance of chromatin homeostasis involves proper delivery of histone variants to the genome. The interplay between different chaperones regulating the supply of histone variants to distinct chromatin domains is largely undeciphered. We report here a role of promyelocytic leukemia (PML) protein in routing histone variant H3.3 to chromatin and in the organization of megabase-size heterochromatic PML-associated domains which we call PADs. Loss of PML alters the heterochromatic state of PADs by shifting the histone H3 methylation balance from K9me3 to K27me3...
March 24, 2017: Genome Research
https://www.readbyqxmd.com/read/28340291/-head-to-head-prenyl-synthases-in-some-pathogenic-bacteria
#17
Christopher J Schwalen, Xinxin Feng, Weidong Liu, Bing O-Dowd, Tzu-Ping Ko, Christopher J Shin, Rey-Ting Guo, Douglas A Mitchell, Eric Oldfield
Many organisms contain "head-to-head" isoprenoid synthases and here, we investigate three types of such enzymes from the pathogens Neisseria meningitidis, N. gonorrhoeae, and Enterococcus hirae. The E. hirae enzyme was found to produce dehydrosqualene and we solved an inhibitor-bound structure which revealed a fold similar to that of CrtM from Staphylococcus aureus. In contrast, the homologous proteins from Neisseria spp. carried out only the "first half" reaction, yielding presqualene diphosphate (PSPP). Based on product analyses, bioinformatics, and mutagenesis we conclude that the Neisseria proteins are HpnDs (PSPP synthases)...
March 24, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28334823/h3-y-discriminates-between-hira-and-daxx-chaperone-complexes-and-reveals-unexpected-insights-into-human-daxx-h3-3-h4-binding-and-deposition-requirements
#18
Lisa-Maria Zink, Erwan Delbarre, H Christian Eberl, Eva C Keilhauer, Clemens Bönisch, Sebastian Pünzeler, Marek Bartkuhn, Philippe Collas, Matthias Mann, Sandra B Hake
Histone chaperones prevent promiscuous histone interactions before chromatin assembly. They guarantee faithful deposition of canonical histones and functionally specialized histone variants into chromatin in a spatial- and temporally-restricted manner. Here, we identify the binding partners of the primate-specific and H3.3-related histone variant H3.Y using several quantitative mass spectrometry approaches, and biochemical and cell biological assays. We find the HIRA, but not the DAXX/ATRX, complex to recognize H3...
February 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28330248/photo-inactivation-of-escherichia-coli-and-enterococcus-hirae-using-methylene-blue-and-sodium-anthraquinone-2-sulphonate-effect-of-process-parameters
#19
Madhavi Singh, Kannan Pakshirajan, Vishal Trivedi
In this study, effect of different parameters, viz. concentration of photosensitizer (PS), pH of the bacterial cell suspension and initial cell count, on photo-inactivation of Escherichia coli and Enterococcus hirae bacteria using methylene blue (MB) and sodium anthraquinone-2-sulphonate (SAQS) was investigated employing the statistically valid full factorial design of experiments. The inactivation efficiency of E. hirae using MB ranges between 10.81 and 48.55 %, whereas in the case of E. coli it ranges between 10...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28326302/characteristics-of-patients-diagnosed-with-osteoporosis-in-south-korea-results-from-the-national-claim-registry
#20
Hyun Koo Yoon, Young-Kyun Lee, Yong-Chan Ha
BACKGROUND: Although osteoporosis is increasing medical issue in the elderly population, attempts to analyze the characteristics of patients diagnosed with osteoporosis are rare in South Korea. We investigated the characteristics of patients diagnosed with osteoporosis using Korea's National Health Insurance claims data, which includes almost Korean population. METHODS: We evaluated the patients who were diagnosed and treated with osteoporosis in medical institute in South Korea, using the national database by the Health Insurance Review & Assessment Service (HIRA)...
February 2017: Journal of Bone Metabolism
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