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https://www.readbyqxmd.com/read/28340487/microrna-4739-regulates-osteogenic-and-adipocytic-differentiation-of-immortalized-human-bone-marrow-stromal-cells-via-targeting-lrp3
#1
Mona Elsafadi, Muthurangan Manikandan, Nehad M Alajez, Rimi Hamam, Raed Abu Dawud, Abdullah Aldahmash, Zafar Iqbal, Musaad Alfayez, Moustapha Kassem, Amer Mahmood
Understanding the regulatory networks underlying lineage differentiation and fate determination of human bone marrow stromal cells (hBMSC) is a prerequisite for their therapeutic use. The goal of the current study was to unravel the novel role of the low-density lipoprotein receptor-related protein 3 (LRP3) in regulating the osteogenic and adipogenic differentiation of immortalized hBMSCs. Gene expression profiling revealed significantly higher LRP3 levels in the highly osteogenic hBMSC clone imCL1 than in the less osteogenic clone imCL2, as well as a significant upregulation of LRP3 during the osteogenic induction of the imCL1 clone...
March 8, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28339553/de-and-recellularization-of-the-pig-uterus-a-bioengineering-pilot-study%C3%A2
#2
Hannes Campo, Pedro M Baptista, Nuria López-Pérez, Amparo Faus, Irene Cervelló, Carlos Simón
Absolute uterine factor infertility, or the absence of a functional uterus, has a prevalence of 3%-5% in the general population. Despite the great strides being made in reproductive medicine, patients diagnosed with absolute uterine factor infertility remain untreatable. The only available solution has been gestational surrogacy, but recently the Brannström group presented a viable alternative by reporting the first successful live birth after uterus transplantation. Similar to other transplantations, this approach has inherent limitations such as the paucity of donor organs and the need for long-term immunosuppression...
December 27, 2016: Biology of Reproduction
https://www.readbyqxmd.com/read/28339384/evaluation-of-the-most-frequently-prescribed-extemporaneously-compounded-veterinary-medications-at-a-large-independent-community-pharmacy
#3
Adel H Karara, Ryan Hines, Zehra Demir, Bethran Nnorom, Robert Horsey, Geoffrey Twigg
Extemporaneous drug formulation is essential to provide optimal pharmaceutical care to veterinary patients. The need for this is exacerbated by the fact that commercially produced veterinary-specific products, without a human indication, require specialty veterinary manufacturing facilities and a new animal drug application process to gain marketing approval. This study examined the prescription patterns of extemporaneously compounded veterinary preparations in the compounding department at a large independent community pharmacy...
November 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28339300/genetic-manipulation-by-zinc-finger-nucleases-in-rat-induced-pluripotent-stem-cells
#4
Sheng Yang, Shufang Ding, Qianhua Xu, Xiong Li, Qiong Xiong
Induced pluripotent stem cells (iPSCs) have an extensive application in regenerative medicine, pharmaceutical discovery, and basic research. With the recent derivation of rat iPSCs, it is now feasible to apply genetic manipulation in this species. But such tools do not yet exist for many rat strains, especially for disease model rat. The Sprague Dawley (SD) rat is an inbred disease model for hypertension, nephropathy, pulmonary hypertension, depression, and alcohol consumption. In this study, the SD rat iPSCs were generated using lentiviral method...
March 24, 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/28338641/nerolidol-and-farnesol-inhibit-some-cytochrome-p450-activities-but-did-not-affect-other-xenobiotic-metabolizing-enzymes-in-rat-and-human-hepatic-subcellular-fractions
#5
Alena Špičáková, Barbora Szotáková, Diana Dimunová, Zuzana Myslivečková, Vladimír Kubíček, Martin Ambrož, Kateřina Lněničková, Kristýna Krasulová, Pavel Anzenbacher, Lenka Skálová
Sesquiterpenes, 15-carbon compounds formed from three isoprenoid units, are the main components of plant essential oils. Sesquiterpenes occur in human food, but they are principally taken as components of many folk medicines and dietary supplements. The aim of our study was to test and compare the potential inhibitory effect of acyclic sesquiterpenes, trans-nerolidol, cis-nerolidol and farnesol, on the activities of the main xenobiotic-metabolizing enzymes in rat and human liver in vitro. Rat and human subcellular fractions, relatively specific substrates, corresponding coenzymes and HPLC, spectrophotometric or spectrofluorometric analysis of product formation were used...
March 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28338485/creation-of-a-regional-human-milk-assembly-a-model-to-influence-practice-and-policy-change-in-the-nicu
#6
Diane L Spatz, Amanda Evans, Elizabeth Froh
BACKGROUND: The 2011 Surgeon General's Call to Action to Support Breastfeeding highlights a need for optimizing lactation-based education for all health professionals; however, few schools of nursing and medicine offer lactation-based curriculum. In an effort to address these gaps in education and care, the director of the lactation program at a large urban children's hospital developed and instituted the annual regional Human Milk Assembly (HMA), a half-day collaborative meeting of the hospital's regional and referral hospitals' neonatal intensive care unit (NICU) nursing staff, to address lactation-based educational and training needs of all participating institutions...
March 23, 2017: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/28338309/impact-of-personalized-three-dimensional-3d-printed-pelvicalyceal-system-models-on-patient-information-in-percutaneous-nephrolithotripsy-surgery-a-pilot-study
#7
Hasan Anil Atalay, H Lütfi Canat, Volkan Ülker, İlter Alkan, Ünsal Özkuvanci, Fatih Altunrende
OBJECTIVE: To investigate the impact of personalized three dimensional (3D) printed pelvicalyceal system models on patient information before percutaneous nephrolithotripsy surgery. MATERIAL AND METHODS: Patients with unilateral complex renal stones with indicatation of percutaneous nephrolithotripsy surgery were selected. Usable data of patients were obtained from CT scans as Digital Imaging and Communications in Medicine (DICOM) format. Mimics software version 16...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28338066/chemical-composition-antioxidant-dna-damage-protective-cytotoxic-and-antibacterial-activities-of-cyperus-rotundus-rhizomes-essential-oil-against-foodborne-pathogens
#8
Qing-Ping Hu, Xin-Ming Cao, Dong-Lin Hao, Liang-Liang Zhang
Cyperus rotundus L. (Cyperaceae) is a medicinal herb traditionally used to treat various clinical conditions at home. In this study, chemical composition of Cyperus rotundus rhizomes essential oil, and in vitro antioxidant, DNA damage protective and cytotoxic activities as well as antibacterial activity against foodborne pathogens were investigated. Results showed that α-cyperone (38.46%), cyperene (12.84%) and α-selinene (11.66%) were the major components of the essential oil. The essential oil had an excellent antioxidant activity, the protective effect against DNA damage, and cytotoxic effects on the human neuroblastoma SH-SY5Y cell, as well as antibacterial activity against several foodborne pathogens...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337852/turning-potential-into-action-using-pluripotent-stem-cells-to-understand-heart-development-and-function-in-health-and-disease
#9
Hananeh Fonoudi, Alexis Bosman
Pluripotent stem cells hold enormous potential for regenerative therapies, however their ability to provide insight into early human development and the origins of disease could arguably provide an even greater outcome. This is primarily due to their contribution to the establishment of a powerful knowledge base of human development, something which all researchers and clinicians can potentially benefit from. Modeling human heart development and disease using pluripotent stem cells has already provided many important insights into cardiogenesis and cardiovascular disease mechanisms however, it is important to be aware of the complexities of this model system...
March 24, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28337782/three-dimensional-oxygen-enhanced-mri-of-the-human-lung-at-1-5t-with-ultra-fast-balanced-steady-state-free-precession
#10
Orso Pusterla, Grzegorz Bauman, Oliver Bieri
PURPOSE: To assess the feasibility of 3D oxygen-enhanced (OE) MRI of the lung at 1.5T using multi-volumetric ultra-fast balanced steady-state free precession (ufSSFP) acquisitions. METHODS: Isotropic imaging of the lung for OE-MRI was performed with an adapted 3D ufSSFP sequence using five breath-hold acquisitions ranging from functional residual capacity to tidal inspiration under both normoxic (room air) and hyperoxic (100% O2 ) gas conditions. For each O2 concentration, a sponge model (which captures the parenchymal signal intensity variation as a function of the lung volume) was fitted to the acquired multi-volumetric datasets after semiautomatic lung segmentation and deformable image registration...
March 24, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28337568/hospital-microbial-surface-colonization-revealed-during-monitoring-of-klebsiella-spp-pseudomonas-aeruginosa-and-non-tuberculous-mycobacteria
#11
Pedro Geadas Farias, Fernando Gama, Diogo Reis, Susana Alarico, Nuno Empadinhas, José Carlos Martins, Ana Figueiredo de Almeida, Paula Vasconcelos Morais
Hospital environmental conditions, human occupancy, and the characteristics of the equipment influence the survival of microbial communities and raise a concern with regard to nosocomial infections. The objective of the present work was to use the monitoring of Pseudomonas aeruginosa, Klebsiella spp. and non-tuberculous mycobacteria as a strategy to improve knowledge on microbial colonization of non-critical equipment and surfaces, in a tertiary hospital from Central Portugal. A 3-month microbiological survey was performed in a district teaching hospital...
March 23, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28337437/bioengineering-approaches-to-mature-human-pluripotent-stem-cell-derived-cardiomyocytes
#12
REVIEW
Xuetao Sun, Sara S Nunes
Human pluripotent stem cell-derived cardiomyocytes (hPSC-CM) represent a potential unlimited cell supply for cardiac tissue engineering and possibly regenerative medicine applications. However, hPSC-CMs produced by current protocols are not representative of native adult human cardiomyocytes as they display immature gene expression profile, structure and function. In order to improve hPSC-CM maturity and function, various approaches have been developed, including genetic manipulations to induce gene expression, delivery of biochemical factors, such as triiodothyronine and alpha-adrenergic agonist phenylephrine, induction of cell alignment in 3D tissues, mechanical stress as a mimic of cardiac load and electrical stimulation/pacing or a combination of these...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28337198/role-of-metallic-nanoparticles-in-vaccinology-implications-for-infectious-disease-vaccine-development
#13
REVIEW
Lázaro Moreira Marques Neto, André Kipnis, Ana Paula Junqueira-Kipnis
Subunit vaccines are safer but less immunogenic than live-attenuated vaccines or whole cell inactivated vaccines. Adjuvants are used to enhance and modulate antigen (Ag) immunogenicity, aiming to induce a protective and long-lasting immune response. Several molecules and formulations have been studied for their adjuvanticity, but only seven have been approved to formulate human vaccines. Metallic nanoparticles (MeNPs), particularly those containing gold and iron oxides, are widely used in medicine for diagnosis and therapy and have been used as carriers for drugs and vaccines...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28336967/the-gene-expression-profiles-in-response-to-102-traditional-chinese-medicine-tcm-components-a-general-template-for-research-on-tcms
#14
Chao Lv, Xueting Wu, Xia Wang, Juan Su, Huawu Zeng, Jing Zhao, Shan Lin, Runhui Liu, Honglin Li, Xuan Li, Weidong Zhang
Traditional Chinese medicines (TCMs) have important therapeutic value in long-term clinical practice. However, because TCMs contain diverse ingredients and have complex effects on the human body, the molecular mechanisms of TCMs are poorly understood. In this work, we determined the gene expression profiles of cells in response to TCM components to investigate TCM activities at the molecular and cellular levels. MCF7 cells were separately treated with 102 different molecules from TCMs, and their gene expression profiles were compared with the Connectivity Map (CMAP)...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336879/in-vitro-and-in-vivo-evaluation-of-a-three-dimensional-porous-multi-walled-carbon-nanotube-scaffold-for-bone-regeneration
#15
Manabu Tanaka, Yoshinori Sato, Mei Zhang, Hisao Haniu, Masanori Okamoto, Kaoru Aoki, Takashi Takizawa, Kazushige Yoshida, Atsushi Sobajima, Takayuki Kamanaka, Hiroyuki Kato, Naoto Saito
Carbon nanotubes (CNTs) have attracted a great deal of attention for the biological and medical science fields because of their characteristic physical and biological properties. In this study, we investigated the capacity of the 3D porous CNT scaffold (CNT porous block; CNTp) for bone regenerative medicine. Surface observations using a scanning electron microscope (SEM), crystal depositions on the surface of CNTps immersed in simulated body fluid (SBF), and evaluations of protein adsorption and controlled releasing were conducted to assess physical properties...
February 17, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28336470/bioassay-guided-isolation-of-active-principles-from-nigerian-medicinal-plants-identifies-new-trypanocides-with-low-toxicity-and-no-cross-resistance-to-diamidines-and-arsenicals
#16
Godwin Unekwuojo Ebiloma, John Ogbaji Igoli, Evangelos Katsoulis, Anne-Marie Donachie, Anthonius Eze, Alexander Ian Gray, Harry P de Koning
ETHNOPHARMACOLOGICAL RELEVANCE: Leaves from the plant species studied herein are traditionally used in northern Nigeria against various protozoan infections. However, none of these herbal preparations have been standardized, nor have their toxicity to mammalian cells been investigated. In search of improved and non-toxic active antiprotozoal principles that are not cross-resistant with current anti-parasitics, we here report the results of the in vitro screening of extracts from seven selected medicinal plant species (Centrosema pubescens, Moringa oleifera, Tridax procumbens, Polyalthia longifolia, Newbouldia laevis, Eucalyptus maculate, Jathropha tanjorensis), used traditionally to treat kinetoplastid infections in Nigeria, and the isolation of their bioactive principles...
March 20, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28335694/construction-of-three-dimensional-dermo-epidermal-skin-equivalents-using-cell-coating-technology-and-their-utilization-as-alternative-skin-for-permeation-studies-and-skin-irritation-tests
#17
Takami Akagi, Mayuka Nagura, Ayami Hiura, Hajime Kojima, Mitsuru Akashi
In vitro generated human skin equivalents are generating interest as promising tools in basic research, as alternatives to animal testing and for clinical applications in regenerative medicine. For prediction of skin irritation and corrosion, three-dimensional (3D) human skin equivalents consisting of differentiated human keratinocytes have been developed and some models have been internationally accepted. However, more delicate assessments using full-thickness skin models, such as skin sensitization tests cannot be performed because of the lack of a dermis containing fibroblasts or appendages...
March 23, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28335502/catechins-and-their-therapeutic-benefits-to-inflammatory-bowel-disease
#18
REVIEW
Fei-Yan Fan, Li-Xuan Sang, Min Jiang
Catechins are natural polyphenolic phytochemicals that exist in food and medicinal plants, such as tea, legume and rubiaceae. An increasing number of studies have associated the intake of catechins-rich foods with the prevention and treatment of chronic diseases in humans, such as inflammatory bowel disease (IBD). Some studies have demonstrated that catechins could significantly inhibit the excessive oxidative stress through direct or indirect antioxidant effects and promote the activation of the antioxidative substances such as glutathione peroxidases (GPO) and glutathione (GSH), reducing the oxidative damages to the colon...
March 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335438/the-food-production-environment-and-the-development-of-antimicrobial-resistance-in-human-pathogens-of-animal-origin
#19
REVIEW
Manjusha Lekshmi, Parvathi Ammini, Sanath Kumar, Manuel F Varela
Food-borne pathogens are a serious human health concern worldwide, and the emergence of antibiotic-resistant food pathogens has further confounded this problem. Once-highly-efficacious antibiotics are gradually becoming ineffective against many important pathogens, resulting in severe treatment crises. Among several reasons for the development and spread of antimicrobial resistance, their overuse in animal food production systems for purposes other than treatment of infections is prominent. Many pathogens of animals are zoonotic, and therefore any development of resistance in pathogens associated with food animals can spread to humans through the food chain...
March 14, 2017: Microorganisms
https://www.readbyqxmd.com/read/28335186/ex-vivo-tissues-engineering-modeling-for-reconstructive-surgery-using-human-adult-adipose-stem-cells-and-polymeric-nanostructured-matrix
#20
Francesco Morena, Chiara Argentati, Eleonora Calzoni, Marino Cordellini, Carla Emiliani, Francesco D'Angelo, Sabata Martino
The major challenge for stem cell translation regenerative medicine is the regeneration of damaged tissues by creating biological substitutes capable of recapitulating the missing function in the recipient host. Therefore, the current paradigm of tissue engineering strategies is the combination of a selected stem cell type, based on their capability to differentiate toward committed cell lineages, and a biomaterial, that, due to own characteristics (e.g., chemical, electric, mechanical property, nano-topography, and nanostructured molecular components), could serve as active scaffold to generate a bio-hybrid tissue/organ...
March 31, 2016: Nanomaterials
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