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https://www.readbyqxmd.com/read/28214873/nel-like-molecule-1-nell1-is-regulated-by-bone-morphogenetic-protein-9-bmp9-and-potentiates-bmp9-induced-osteogenic-differentiation-at-the-expense-of-adipogenesis-in-mesenchymal-stem-cells
#1
Jing Wang, Junyi Liao, Fugui Zhang, Dongzhe Song, Minpeng Lu, Jianxiang Liu, Qiang Wei, Shengli Tang, Hao Liu, Jiaming Fan, Yulong Zou, Dan Guo, Jiayi Huang, Feng Liu, Chao Ma, Xue Hu, Li Li, Xiangyang Qu, Liqun Chen, Yaguang Weng, Michael J Lee, Tong-Chuan He, Russell R Reid, Jiye Zhang
BACKGROUND: BMP9 induces both osteogenic and adipogenic differentiation of mesenchymal stem cells (MSCs). Nell1 is a secretory glycoprotein with osteoinductive and anti-adipogenic activities. We investigated the role of Nell1 in BMP9-induced osteogenesis and adipogenesis in MSCs. METHODS: Previously characterized MSCs iMEFs were used. Overexpression of BMP9 and NELL1 or silencing of mouse Nell1 was mediated by adenoviral vectors. Early and late osteogenic and adipogenic markers were assessed by staining techniques and qPCR analysis...
January 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214610/virosome-bound-antigen-enhances-dc-dependent-specific-cd4-t-cell-stimulation-inducing-a-th1-and-treg-profile-in-vitro
#2
Rebecca A M Blom, Mario Amacker, Christian Moser, R Maarten van Dijk, Raffaela Bonetti, Emilie Seydoux, Sean R R Hall, Christophe von Garnier, Fabian Blank
There is considerable interest to develop antigen-carriers for immune-modulatory clinical applications, but insufficient information is available on their effects on antigen-presenting cells. We employed virosomes coupled to ovalbumin (OVA) to study their interaction with murine bone marrow-derived dendritic cells (BMDCs) and modulation of downstream T cell responses. BMDCs were treated in vitro with virosomes or liposomes prior to determining BMDC phenotype, viability, and intra-cellular trafficking. Antigen-specific CD4(+) T cell activation was measured by co-culture of BMDCs with DO11...
February 15, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28214419/recommendations-for-gonadotoxicity-surveillance-in-male-childhood-adolescent-and-young-adult-cancer-survivors-a-report-from-the-international-late-effects-of-childhood-cancer-guideline-harmonization-group-in-collaboration-with-the-pancaresurfup-consortium
#3
REVIEW
Roderick Skinner, Renee L Mulder, Leontien C Kremer, Melissa M Hudson, Louis S Constine, Edit Bardi, Annelies Boekhout, Anja Borgmann-Staudt, Morven C Brown, Richard Cohn, Uta Dirksen, Alexsander Giwercman, Hiroyuki Ishiguro, Kirsi Jahnukainen, Lisa B Kenney, Jacqueline J Loonen, Lilian Meacham, Sebastian Neggers, Stephen Nussey, Cecilia Petersen, Margarett Shnorhavorian, Marry M van den Heuvel-Eibrink, Hanneke M van Santen, William H B Wallace, Daniel M Green
Treatment with chemotherapy, radiotherapy, or surgery that involves reproductive organs can cause impaired spermatogenesis, testosterone deficiency, and physical sexual dysfunction in male pubertal, adolescent, and young adult cancer survivors. Guidelines for surveillance and management of potential adverse effects could improve cancer survivors' health and quality of life. Surveillance recommendations vary considerably, causing uncertainty about optimum screening practices. This clinical practice guideline recommended by the International Late Effects of Childhood Cancer Guideline Harmonization Group in collaboration with the PanCareSurFup Consortium, developed using evidence-based methodology, critically synthesises surveillance recommendations for gonadotoxicity in male childhood, adolescent, and young adult (CAYA) cancer survivors...
February 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28213448/detection-and-monitoring-of-acute-myocarditis-applying-quantitative-cardiovascular-magnetic-resonance
#4
Florian von Knobelsdorff-Brenkenhoff, Johannes Schüler, Serkan Dogangüzel, Matthias A Dieringer, Andre Rudolph, Andreas Greiser, Peter Kellman, Jeanette Schulz-Menger
BACKGROUND: Cardiovascular magnetic resonance based on the Lake Louise Criteria is used to make the diagnosis of acute myocarditis. Novel quantitative parametric mapping techniques promise to overcome some of its limitations. We aimed to evaluate quantitative cardiovascular magnetic resonance to detect and monitor acute myocarditis. METHODS AND RESULTS: Eighteen patients with clinical diagnosis of acute myocarditis (25 years [23-38 years]; 78% males) were prospectively enrolled and repeatedly underwent cardiovascular magnetic resonance at 1...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28210763/artemisinin-and-its-derivatives-in-cancer-therapy-status-of-progress-mechanism-of-action-and-future-perspectives
#5
REVIEW
Archana Bhaw-Luximon, Dhanjay Jhurry
Since the late 1990s, there has been rapid multiplication of data on the anti-cancer properties of artemisinins. This article reviews the status of progress of artemisinin and its derivatives as anti-cancer agents in clinical trials, case reports, and in vitro/in vivo studies. Particular attention is laid on the combinations of artemisinins and synthetic chemodrugs to enhance the latter's efficacy. An attempt is here made to rationalize the synergistic effects of a few common anti-cancer drugs of the anthracycline, taxane, anti-metabolite, and platinum-based drug families...
February 16, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28208634/rna-eluting-surfaces-for-the-modulation-of-gene-expression-as-a-novel-stent-concept
#6
Olivia Koenig, Diane Zengerle, Nadja Perle, Susanne Hossfeld, Bernd Neumann, Andreas Behring, Meltem Avci-Adali, Tobias Walker, Christian Schlensak, Hans Peter Wendel, Andrea Nolte
Presently, a new era of drug-eluting stents is continuing to improve late adverse effects such as thrombosis after coronary stent implantation in atherosclerotic vessels. The application of gene expression-modulating stents releasing specific small interfering RNAs (siRNAs) or messenger RNAs (mRNAs) to the vascular wall might have the potential to improve the regeneration of the vessel wall and to inhibit adverse effects as a new promising therapeutic strategy. Different poly (lactic-co-glycolic acid) (PLGA) resomers for their ability as an siRNA delivery carrier against intercellular adhesion molecule (ICAM)-1 with a depot effect were tested...
February 10, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28208148/local-and-global-cues-in-the-prosodic-realization-of-broad-and-narrow-focus-in-bulgarian
#7
Bistra Andreeva, William John Barry, Jacques Koreman
In this study, local and global prosodic cues for information structure are examined in the elicited production of six Bulgarian sentences. The sentences were produced in response to different questions, devised to prompt different focus realizations (broad focus and non-contrastive and contrastive narrow focus). Results show that speakers consistently differentiate broad and narrow focus by means of both local and global acoustic cues, by producing different pitch accent types on the nuclear syllable and reducing the 'phonetic strength' of the default pre-nuclear accent in the narrow focus condition...
February 23, 2017: Phonetica
https://www.readbyqxmd.com/read/28208078/the-characteristic-of-cognitive-dysfunction-in-remitted-late-life-depression-and-amnestic-mild-cognitive-impairment
#8
Wenxiang Liao, Xiangrong Zhang, Hao Shu, Zan Wang, Duan Liu, ZhiJun Zhang
Remitted late life depression exhibits persistent cognitive impairments and enhances the risk of dementia. This study aimed to examine the characteristics of cognitive dysfunction in remitted late life depression and amnestic mild cognitive impairment (MCI). Remitted late life depression (n=61), amnestic MCI (n=61) and age-education-matched controls (n=65) were evaluated with a battery of neuropsychological tests grouped into executive function, memory, processing speed, attention and visuospatial domains. Compared with control subjects, amnestic MCI individuals showed more severe cognitive impairments in all domains, while remitted late life depression individuals performed worse in executive function and memory...
January 12, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28207936/th17-cells-and-neutrophils-close-collaborators-in-chronic-leishmania-mexicana-infections-leading-to-disease-severity
#9
Claudia Patricia Pedraza-Zamora, José Delgado-Domínguez, Jaime Zamora-Chimal, Ingeborg Becker
Cutaneous leishmaniasis caused by Leishmania mexicana is associated with an important inflammatory response. We here analyzed the kinetics of Th17 cells and neutrophils in earlobe lesions caused by Leishmania mexicana throughout 90 days of disease progresion in susceptible BALB/c and semi-resistant C57BL/6 mice infected with 1x10(5) Leishmania mexicana promastigotes. Cells in the lesions were extracted and quantified by flow cytometry, whereas their distribution in the tissues in relation to the parasites was analyzed by immunohistochemistry...
February 16, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28207772/triticum-aestivum-wrab18-functions-in-plastids-and-confers-abiotic-stress-tolerance-when-overexpressed-in-escherichia-coli-and-nicotiania-benthamiana
#10
Xiaoyu Wang, Linsheng Zhang, Yane Zhang, Zhenqing Bai, Hao Liu, Dapeng Zhang
WRAB18, an ABA-inducible protein belongs to the third family of late embryogenesis abundant (LEA) proteins which can be induced by different biotic or abiotic stresses. In the present study, WRAB18 was cloned from the Zhengyin 1 cultivar of Triticum aestivum and overexpressed in Escherichia coli to explore its effects on the growth of E. coli under different abiotic stresses. Results suggested the enhanced exhibition of tolerance of E. coli to these stresses. Meanwhile, the WRAB18-transgenic tobacco plants were obtained to analyze the stress-related enzymatic activities of ascorbate peroxidase (APX), peroxidase (POD) and superoxide dismutase (SOD), and to quantify the content of malonaldehyde (MDA) under osmotic stress, high salinity, and low and high temperature stress...
2017: PloS One
https://www.readbyqxmd.com/read/28203465/st-segment-elevation-myocardial-infarction-and-normal-coronary-arteries-after-consuming-energy-drinks
#11
S Michael Gharacholou, Nkechinyere Ijioma, Emma Banwart, Freddy Del Carpio Munoz
The use of energy drinks, which often contain stimulants, is common among young persons, yet there have been few reports of adverse cardiac events. We report the case of a 27-year-old man who was admitted to our facility with an acute ST-segment elevation myocardial infarction in the setting of using energy drinks. Angiography revealed no obstructive coronary disease. The patient had elevation of cardiac troponin. Noninvasive testing with echocardiography and cardiac magnetic resonance imaging demonstrated both abnormalities in resting wall motion at the anterior apex along with late gadolinium enhancement of the anterior wall, respectively...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28203188/endoscope-assisted-and-controlled-argus-ii-epiretinal-prosthesis-implantation-in-late-stage-retinitis-pigmentosa-a-report-of-2-cases
#12
Emin Özmert, Sibel Demirel
Several different approaches for restoring sight in subjects who are blind due to outer retinal degeneration are currently under investigation, including stem cell therapy, gene therapy, and visual prostheses. Although many different types of visual prostheses have shown promise, to date, the Argus II Epiretinal Prosthesis System, developed in a clinical setting over the course of 10 years, is the world's first and only retinal prosthesis that has been approved by the United States Food and Drug Administration (FDA) and has been given the CE-Mark for sale within the European Economic Area (EEA)...
September 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28202762/maternal-binding-and-neutralizing-igg-responses-targeting-the-c-terminal-region-of-the-v3-loop-are-predictive-of-reduced-peripartum-hiv-1-transmission-risk
#13
David R Martinez, Nathan Vandergrift, Ayooluwa O Douglas, Erin McGuire, John Bainbridge, Nathan I Nicely, David C Montefiori, Georgia D Tomaras, Genevieve G Fouda, Sallie R Permar
The development of an effective maternal HIV-1 vaccine that could synergize with antiretroviral therapy (ART) to eliminate pediatric HIV-1 infection will require the characterization of maternal immune responses capable of blocking transmission of autologous HIV viruses to the infant. We previously identified that maternal plasma antibody binding to linear epitopes within the variable loop 3 (V3) region of HIV envelope (Env) and neutralizing responses against easy to neutralize tier 1 viruses were associated with reduced risk of peripartum HIV infection in the historic U...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28199985/foxm1-promotes-the-progression-of-prostate-cancer-by-regulating-psa-gene-transcription
#14
Youhong Liu, Yijun Liu, Bowen Yuan, Linglong Yin, Yuchong Peng, Xiaohui Yu, Weibing Zhou, Zhicheng Gong, Jianye Liu, Leye He, Xiong Li
Androgen/AR is the primary contributor to prostate cancer (PCa) progression by regulating Prostate Specific Antigen (PSA) gene transcription. The disease inevitably evolves to androgen-independent (AI) status. Other mechanisms by which PSA is regulated and develops to AI have not yet been fully determined. FOXM1 is a cell proliferation-specific transcription factor highly expressed in PCa cells compared to non-malignant prostate epithelial cells, suggesting that the aberrant overexpression of FOXM1 contributes to PCa development...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28199146/morphological-change-and-decreasing-transfer-rate-of-biofilm-featured-listeria-monocytogenes-egde
#15
Yuejia Lee, Chinling Wang
Listeria monocytogenes , a lethal foodborne pathogen, has the ability to resist the hostile food processing environment and thus frequently contaminates ready-to-eat foods during processing. It is commonly accepted that the tendency of L. monocytogenes ' to generate biofilms on various surfaces enhances its resistance to the harshness of the food processing environment. However, the role of biofilm formation in the transferability of L. monocytogenes EGDe remains controversial. We examined the growth of Listeria biofilms on stainless steel surfaces and their effect on the transferability of L...
February 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28196494/assessment-of-myocardial-injury-after-reperfused-infarction-by-t1%C3%AF-cardiovascular-magnetic-resonance
#16
Rutger H Stoffers, Marie Madden, Mohammed Shahid, Francisco Contijoch, Joseph Solomon, James J Pilla, Joseph H Gorman, Robert C Gorman, Walter R T Witschey
BACKGROUND: The evolution of T1ρ and of other endogenous contrast methods (T2, T1) in the first month after reperfused myocardial infarction (MI) is uncertain. We conducted a study of reperfused MI in pigs to serially monitor T1ρ, T2 and T1 relaxation, scar size and transmurality at 1 and 4 weeks post-MI. METHODS: Ten Yorkshire swine underwent 90 min of occlusion of the circumflex artery and reperfusion. T1ρ, T2 and native T1 maps and late gadolinium enhanced (LGE) cardiovascular magnetic resonance (CMR) data were collected at 1 week (n = 10) and 4 weeks (n = 5)...
February 15, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28196225/blood-vessel-basement-membrane-alterations-in-human-retinal-microaneurysms-during-aging
#17
Mariana López-Luppo, Victor Nacher, David Ramos, Joana Catita, Marc Navarro, Ana Carretero, Alfonso Rodriguez-Baeza, Luísa Mendes-Jorge, Jesús Ruberte
Purpose: Microaneurysms, considered a hallmark of retinal vascular disease, are present in aged retinas. Here, the basement membrane of human retinal microaneurysms has been analyzed during aging. Methods: Retinas were obtained from 17 nondiabetic donors. Whole mount retinas and paraffin sections were marked immunohistochemically with antibodies against the main components of the blood basement membrane. Trypsin digestion and transmission electron microscopy also were performed...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28193612/lack-of-phenotypic-differences-by-cardiovascular-magnetic-resonance-imaging-in-myh7-%C3%AE-myosin-heavy-chain-versus-mybpc3-myosin-binding-protein-c-related-hypertrophic-cardiomyopathy
#18
Adaya Weissler-Snir, Waseem Hindieh, Christiane Gruner, Dana Fourey, Evan Appelbaum, Ethan Rowin, Melanie Care, John R Lesser, Tammy S Haas, James E Udelson, Warren J Manning, Iacopo Olivotto, Benedetta Tomberli, Barry J Maron, Martin S Maron, Andrew M Crean, Harry Rakowski, Raymond H Chan
BACKGROUND: The 2 most commonly affected genes in hypertrophic cardiomyopathy (HCM) are MYH7 (β-myosin heavy chain) and MYBPC3 (β-myosin-binding protein C). Phenotypic differences between patients with mutations in these 2 genes have been inconsistent. Scarce data exist on the genotype-phenotype association as assessed by tomographic imaging using cardiac magnetic resonance imaging. METHODS AND RESULTS: Cardiac magnetic resonance imaging was performed on 358 consecutive genotyped hypertrophic cardiomyopathy probands at 5 tertiary hypertrophic cardiomyopathy centers...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28192977/matrix-assisted-laser-desorption-ionization-mass-fingerprinting-for-identification-of-acacia-gum-in-microsamples-from-works-of-art
#19
Clara Granzotto, Ken Sutherland
This paper reports an improved method for the identification of Acacia gum in cultural heritage samples using matrix assisted laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF MS) after enzymatic digestion of the polysaccharide component. The analytical strategy was optimized using a reference Acacia gum (gum arabic, sp. A. senegal) and provided an unambiguous MS profile of the gum, characterized by specific and recognized oligosaccharides, from as little as 0.1 μg of material. The enhanced experimental approach with reduced detection limit was successfully applied to the analysis of naturally aged (∼80 year) gum arabic samples, pure and mixed with lead white pigment, and allowed the detection of gum arabic in samples from a late painting (1949/1954) by Georges Braque in the collection of the Art Institute of Chicago...
February 15, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28192444/barriers-to-early-presentation-and-diagnosis-of-breast-cancer-among-african-women-living-in-sub-saharan-africa
#20
Cynthia Pomaa Akuoko, Ernestina Armah, Theresa Sarpong, Dan Yedu Quansah, Isaac Amankwaa, Daniel Boateng
BACKGROUND: Breast cancer (BC) has been described as the leading cause of cancer deaths among women especially in the developing world including sub Saharan Africa (SSA). Delayed presentation and late diagnosis at health facilities are parts of the contributing factors of high BC mortality in Africa. This review aimed to appraise the contributing factors to delayed breast cancer presentation and diagnosis among SSA women. METHODS: Five databases encompassing medical and social sciences were systematically searched using predefined search terms linked with breast cancer presentation and diagnosis and sub Saharan Africa...
2017: PloS One
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