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https://www.readbyqxmd.com/read/28109150/-isolation-culture-and-identification-of-adipose-derived-stem-cells-from-sd-rat-adipose-tissues-subjected-to-long-term-cryopreservation
#1
Qin Liu, Liping Wang, Fang Chen, Yi Zhang
Objective To study the feasibility of isolation and culture of adipose-derived stem cells (ADSCs) from SD rat adipose tissues subjected to long-term cryopreservation. Methods We took inguinal fat pads from healthy SD rats. Adipose tissues were stored with 100 mL/L dimethyl sulfoxide (DMSO) combined with 900 mL/L fetal bovine serum (FBS) in liquid nitrogen. Three months later, the adipose tissues were resuscitated for the isolation and culture of ADSCs. The growth status and morphology were observed. The growth curve and cell surface markers CD29, CD45, CD90 of the 3rd passage cells were analyzed respectively by CCK-8 assay and immunocytochemistry...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109146/-cloning-expression-and-activity-identification-of-human-innate-immune-protein-apolipoprotein-b-mrna-editing-enzyme-catalytic-subunit-3a-apobec3a
#2
Shan Cheng, Liyan Cao, Juan Du, Wenyong Wang, Yanhai Guo
Objective To construct the expression vector of apolipoprotein B mRNA editing enzyme catalytic subunit 3A (APOBEC3A), express APOBEC3A in eukaryotic cells and identify its cytosine deaminase activity. Methods The APOBEC3A gene was obtained by PCR and inserted into the eukaryotic expression vector pcDNA3.0(+). The recombinant vector pcDNA3.0-APOBEC3A was then transfected into HEK293T and HepG2 cells after confirmed by DNA sequencing. The recombinant protein was purified by Ni-NTA HisBind affinity column. Western blot analysis was used to detect the expression of APOBEC3A protein...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109133/the-prognostic-and-therapeutic-application-of-micrornas-in-breast-cancer-tissue-and-circulating-micrornas
#3
REVIEW
Afsane Bahrami, Seyed Amir Aledavoud, Kazem Anvari, Seyed Mahdi Hassanian, Mina Maftouh, Ali Yaghobzade, Omid Salarzaee, Soodabeh ShahidSales, Amir Avan
Breast cancer is the second most common malignancy diagnosed in women, supporting the need for identification of novel prognostic and diagnostic biomarkers. Recently, microRNAs have emerged as molecular regulators that can have key roles in pathogenesis and progression of different malignancies, including breast cancer. Micro-RNAs can be circulated in body fluid, suggesting their values as non-invasive marker. There is growing body of evidence showing the aberrant activation of some known circulating miRNAs, e...
January 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28109130/identification-of-promising-dna-gyrb-inhibitors-for-tuberculosis-using-pharmacophore-based-virtual-screening-molecular-docking-and-molecular-dynamics-studies
#4
Md Ataul Islam, Tahir S Pillay
In the current study, we searched for potential DNA GyrB inhibitors using pharmacophore-based virtual screening followed by molecular docking and molecular dynamics simulation approaches. For this purpose, a set of 248 DNA GyrB inhibitors were collected from the literature and a well-validated pharmacophore model was generated. The best pharmacophore model explained that two each of hydrogen bond acceptor and hydrophobicity were critical for inhibition of DNA GyrB. Good statistical results of the pharmacophore model indicated that the model was robust in nature...
January 21, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28109101/-fgf-2-pela-bmp-2-microcapsule-scaffold-promotes-osteogenic-differentiation-of-rat-periosteum-derived-stem-cells-in-vitro
#5
Jie Yin, Su-Jun Qiu, Jun-Huai Gao, Sheng-Li Zhao, Shao-Xiong Min
OBJECTIVE: To observe the effect of a microencapsule scaffold capable of sustained release of fibroblast growth factor-2 (FGF-2) and bone morphogenetic protein-2 (BMP-2) in promoting the osteogenic differentiation of rat periosteum-derived stem cells (PDSCs) in vitro. METHODS: PDSCs from 4-week-old SD rats, after identification of the surface markers using flow cytometry, were induced to differentiate into osteoblast, chondroblast, and adipocyte lineages. The differentiated cells were verified by staining with Alizarin red, toluidine blue, alcian blue, oil red O and by immunofluorescence assay...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28109063/chemical-variability-antioxidant-and-antifungal-activities-of-essential-oils-and-hydrosol-extract-of-calendula-arvensis-l-from-western-algeria
#6
Rania Belabbes, Mohammed El Amine Dib, Nassim Djabou, Faiza Ilias, Boufeldja Tabti, Jean Costa, Alain Muselli
The chemical composition of the essential oils and hydrosol extract from aerial parts of Calendula arvensis L. was investigated using GC-FID and GC/MS. Intra-species variations of the chemical compositions of essential oils from 18 Algerian sample locations were investigated using statistical analysis. Chemical analysis allowed the identification of fifty-three compounds amounting to 92.3-98.5% with yields varied of 0.09-0.36% and the main compounds were zingiberenol 1 (8.7-29.8%), eremoligenol (4.2-12.5%), β-curcumene (2...
January 21, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28109009/using-flow-characteristics-in-three-dimensional-power-doppler-ultrasound-imaging-to-predict-complete-responses-in-patients-undergoing-neoadjuvant-chemotherapy
#7
Wei-Chung Shia, Yu-Len Huang, Hwa-Koon Wu, Dar-Ren Chen
OBJECTIVES: Strategies are needed for the identification of a poor response to treatment and determination of appropriate chemotherapy strategies for patients in the early stages of neoadjuvant chemotherapy for breast cancer. We hypothesize that power Doppler ultrasound imaging can provide useful information on predicting response to neoadjuvant chemotherapy. METHODS: The solid directional flow of vessels in breast tumors was used as a marker of pathologic complete responses (pCR) in patients undergoing neoadjuvant chemotherapy...
January 21, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28108962/determination-of-equine-cytochrome-c-backbone-amide-hydrogen-deuterium-exchange-rates-by-mass-spectrometry-using-a-wider-time-window-and-isotope-envelope
#8
Yoshitomo Hamuro
A new strategy to analyze amide hydrogen/deuterium exchange mass spectrometry (HDX-MS) data is proposed, utilizing a wider time window and isotope envelope analysis of each peptide. While most current scientific reports present HDX-MS data as a set of time-dependent deuteration levels of peptides, the ideal HDX-MS data presentation is a complete set of backbone amide hydrogen exchange rates. The ideal data set can provide single amide resolution, coverage of all exchange events, and the open/close ratio of each amide hydrogen in EX2 mechanism...
January 20, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28108943/is-the-assessment-of-5-meters-of-gait-with-a-single-body-fixed-sensor-enough-to-recognize-idiopathic-parkinson-s-disease-associated-gait
#9
M E Micó-Amigo, I Kingma, G S Faber, A Kunikoshi, J M T van Uem, R C van Lummel, W Maetzler, J H van Dieën
Quantitative assessment of gait in patients with Parkinson's disease (PD) is an important step in addressing motor symptoms and improving clinical management. Based on the assessment of only 5 meters of gait with a single body-fixed-sensor placed on the lower back, this study presents a method for the identification of step-by-step kinematic parameters in 14 healthy controls and in 28 patients at early-to-moderate stages of idiopathic PD. Differences between groups in step-by-step kinematic parameters were evaluated to understand gait impairments in the PD group...
January 20, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28108916/oxidation-of-danofloxacin-by-free-chlorine-kinetic-study-structural-identification-of-by-products-by-lc-ms-ms-and-potential-toxicity-of-by-products-using-in-silico-test
#10
Montaha Yassine, Ahmad Rifai, Samah Doumyati, Aurélien Trivella, Patrick Mazellier, Hélène Budzinski, Mohamad Al Iskandarani
: In this study, we aimed to investigate the kinetics and the mechanism of reaction of the fluoroquinolone antibacterial danofloxacin (DANO) by free available chlorine (FAC) during water chlorination process. Kinetic study was thus performed at pH 7.2, 20 °C in the presence of an excess of total chlorine. Under these experimental conditions, a second-order reaction rate constant (first-order relative to DANO concentration and first-order relative to FAC concentration) was evaluated to k~1446 M(-1) s(-1)...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28108901/performance-characteristics-of-multicolor-versus-blue-light-and-infrared-imaging-in-the-identification-of-reticular-pseudodrusen
#11
Josep Badal, Marc Biarnés, Jordi Monés
PURPOSE: To describe the appearance of reticular pseudodrusen on multicolor imaging and to evaluate its diagnostic accuracy as compared with the two modalities that may be considered the current reference standard, blue light and infrared imaging. METHODS: Retrospective study in which all multicolor images (constructed from images acquired at 486 nm-blue, 518 nm-green and 815 nm-infrared) of 45 consecutive patients visited in a single center was reviewed. Inclusion criteria involved the presence of >1 reticular pseudodrusen on a 30° × 30° image centered on the fovea as seen with the blue light channel derived from the multicolor imaging...
January 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28108869/molecular-identification-of-malassezia-species-in-patients-with-malassezia-folliculitis-in-sfax-tunisia
#12
F Cheikhrouhou, R Guidara, A Masmoudi, H Trabelsi, S Neji, H Sellami, F Makni, A Ayadi
AIM: Malassezia folliculitis is caused by the invasion of hair follicles by large numbers of Malassezia cells. Several Malassezia researches still use cultures, morphology and biochemical techniques. The aim of this study was to identify Malassezia species isolated from patients diagnosed with folliculitis, at the Parasitology and Mycology Laboratory of Sfax University Hospital, and to explore the genetic diversity of Malassezia by using PCR-RFLP and PCR-sequencing targeting the rDNA region of the Malassezia genome...
January 20, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28108868/morpho-molecular-characterization-of-soil-inhabitant-dermatophytes-from-ahvaz-southwest-of-iran-a-high-occurrence-of-microsporum-fulvum
#13
Ali Rezaei-Matehkolaei, Abbas Jahangiri, Ali Zarei Mahmoudabadi, Mohammad Javad Najafzadeh, Sadegh Nouripour-Sisakht, Koichi Makimura
Occurrence and diversity of dermatophyte mycoflora in 298 soil samples from Ahvaz, Southwest of Iran was investigated by using the hair-baiting technique. The samples were collected during spring (n = 210) and autumn (n = 88) of 2015, and the fungal isolates were identified based on the macro- and micro-morphology of colonies and with further ITS-rDNA RFLP and sequencing. Totally, 60 soil samples (20.1%) were positive for dermatophyte growth whose pH varied from 7.0 to 7.9. The highest (26.6%) and the lowest (14...
January 20, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28108845/liver-involvement-in-congenital-disorders-of-glycosylation-cdg-a-systematic-review-of-the-literature
#14
REVIEW
D Marques-da-Silva, V Dos Reis Ferreira, M Monticelli, P Janeiro, P A Videira, P Witters, J Jaeken, D Cassiman
Congenital disorders of glycosylation (CDG) are a rapidly growing family of genetic diseases caused by defects in glycosylation. Nearly 100 CDG types are known so far. Patients present a great phenotypic diversity ranging from poly- to mono-organ/system involvement and from very mild to extremely severe presentation. In this literature review, we summarize the liver involvement reported in CDG patients. Although liver involvement is present in only a minority of the reported CDG types (22 %), it can be debilitating or even life-threatening...
January 20, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28108835/integrating-family-as-a-discipline-by-providing-parent-led-curricula-impact-on-lend-trainees-leadership-competency
#15
Bruce L Keisling, Elizabeth A Bishop, Jenness M Roth
Background While the MCH Leadership Competencies and family as a discipline have been required elements of Leadership Education in Neurodevelopmental and related Disabilities (LEND) programs for over a decade, little research has been published on the efficacy of either programmatic component in the development of the next generation of leaders who can advocate and care for Maternal and Child Health (MCH) populations. Objective To test the effectiveness of integrating the family discipline through implementation of parent led curricula on trainees' content knowledge, skills, and leadership development in family-centered care, according to the MCH Leadership Competencies...
January 20, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28108794/maldi-tof-short-incubation-identification-from-blood-cultures-is-associated-with-reduced-length-of-hospitalization-and-a-decrease-in-bacteremia-associated-mortality
#16
J A Delport, A Strikwerda, A Armstrong, D Schaus, M John
The purpose of this study was to assess the impact of MALDI-ToF identification and rapid short incubation MALDI-Tof identification protocol on patient care compared to conventional identification. By using a retrospective review we assessed the impact of a rapid Bruker MALDI-Tof identification protocol. Overall there was a 16.76-hour reduction in time to identification of the pathogen after the introduction of MALDI-TOF identification in 2013 (P<0.0001) and a further 15-hour reduction (P<9.37 E-05) after implementation of the short incubation MALDI-TOF identification protocol in 2014...
January 20, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28108791/-acoustic-information-in-snoring-noises
#17
C Janott, B Schuller, C Heiser
BACKGROUND: More than one third of all people snore regularly. Snoring is a common accompaniment of obstructive sleep apnea (OSA) and is often disruptive for the bed partner. OBJECTIVE: This work gives an overview of the history of and state of research on acoustic analysis of snoring for classification of OSA severity, detection of obstructive events, measurement of annoyance, and identification of the sound excitation location. MATERIALS AND METHODS: Based on these objectives, searches were conducted in the literature databases PubMed and IEEE Xplore...
January 20, 2017: HNO
https://www.readbyqxmd.com/read/28108764/letr-is-a-tetr-family-transcription-factor-from-lysobacter-controlling-antifungal-antibiotic-biosynthesis
#18
Ping Wang, Hongfu Chen, Guoliang Qian, Fengquan Liu
Heat-stable antifungal factor (HSAF) is a newly identified and broad-spectrum antifungal antibiotic from Lysobacter enzymogenes, a ubiquitous environmental proteobacterium. Yet, the regulatory mechanism for HSAF biosynthesis in L. enzymogenes remains poorly understood. Here, we report the identification of a TetR-family protein Le1552 (LetR) from L. enzymogenes strain OH11 that is involved in transcriptional repression of HSAF production. Bacterial one-hybrid and gel mobility shift assays show that LetR directly binds to PHSAF (the promoter region of the HSAF biosynthesis operon)...
January 20, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28108660/from-benchmarking-hits-clip-peak-detection-programs-to-a-new-method-for-identification-of-mirna-binding-sites-from-ago2-clip-data
#19
Silvia Bottini, Nedra Hamouda-Tekaya, Bogdan Tanasa, Laure-Emmanuelle Zaragosi, Valerie Grandjean, Emanuela Repetto, Michele Trabucchi
Experimental evidence indicates that about 60% of miRNA-binding activity does not follow the canonical rule about the seed matching between miRNA and target mRNAs, but rather a non-canonical miRNA targeting activity outside the seed or with a seed-like motifs. Here, we propose a new unbiased method to identify canonical and non-canonical miRNA-binding sites from peaks identified by Ago2 Cross-Linked ImmunoPrecipitation associated to high-throughput sequencing (CLIP-seq). Since the quality of peaks is of pivotal importance for the final output of the proposed method, we provide a comprehensive benchmarking of four peak detection programs, namely CIMS, PIPE-CLIP, Piranha and Pyicoclip, on four publicly available Ago2-HITS-CLIP datasets and one unpublished in-house Ago2-dataset in stem cells...
January 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28108595/identification-of-the-adpr-binding-pocket-in-the-nudt9-homology-domain-of-trpm2
#20
Peilin Yu, Xiwen Xue, Jianmin Zhang, Xupang Hu, Yan Wu, Lin-Hua Jiang, Hongwei Jin, Jianhong Luo, Liangren Zhang, Zhenming Liu, Wei Yang
Activation of the transient receptor potential melastatin 2 (TRPM2) channel occurs during the response to oxidative stress under physiological conditions as well as in pathological processes such as ischemia and diabetes. Accumulating evidence indicates that adenosine diphosphate ribose (ADPR) is the most important endogenous ligand of TRPM2. However, although it is known that ADPR binds to the NUDT9 homology (NUDT9-H) domain in the intracellular C-terminal region, the molecular mechanism underlying ADPR binding and activation of TRPM2 remains unknown...
January 20, 2017: Journal of General Physiology
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