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https://www.readbyqxmd.com/read/28805490/low-employment-and-low-willingness-of-being-reemployed-in-chinese-working-age-maintained-hemodialysis-patients
#1
Bihong Huang, Bihong Lai, Ling Xu, Ying Wang, Yanpei Cao, Ping Yan, Jing Chen
AIM: Returning to society plays an important role in improving the quality of life in maintenance hemodialysis (MHD) patients, and retention of employment is one of the core enablers. The study is to assess the employment status and to determine the variables for unemployment in Chinese MHD patients. METHODS: Prevalent MHD patients from four dialysis centers in Shanghai China were enrolled. We assessed patients' employment status, current social functioning, hemodialysis modality, annual income and general health condition...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28798331/microrna-132-promotes-fibroblast-migration-via-regulating-ras-p21-protein-activator-1-in-skin-wound-healing
#2
Xi Li, Dongqing Li, Jakob D Wikström, Andor Pivarcsi, Enikö Sonkoly, Mona Ståhle, Ning Xu Landén
MicroRNA (miR)-132 has been identified as a top up-regulated miRNA during skin wound healing and its inhibition impairs wound repair. In a human in vivo surgical wound model, we showed that miR-132 was induced in epidermal as well as in dermal wound-edge compartments during healing. Moreover, in a panel of cells isolated from human skin wounds, miR-132 was found highly expressed in human dermal fibroblasts (HDFs). In HDFs, miR-132 expression was upregulated by TGF-β1. By overexpression or inhibition of miR-132, we showed that miR-132 promoted HDF migration...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28795851/selective-induction-of-apoptosis-in-mcf7-cancer-cell-by-targeted-liposomes-functionalized-with-mannose-6-phosphate
#3
Cristina Minnelli, Laura Cianfruglia, Emiliano Laudadio, Roberta Galeazzi, Michela Pisani, Emanuela Crucianelli, Davide Bizzaro, Tatiana Armeni, Giovanna Mobbili
Liposomes are versatile platforms to carry anticancer drugs in targeted drug delivery; they can be surface modified by different strategies and, when coupled with targeting ligands, are able to increase cellular internalization and organelle-specific drug delivery. An interesting strategy of antitumoral therapy could involve the use of lysosomotropic ligand-targeted liposomes loaded with molecules, which can induce lysosomal membrane permeabilization (LMP), leakage of cathepsins into the cytoplasm and subsequent apoptosis...
August 10, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28795092/-data-characterizing-microfabricated-human-blood-vessels-created-via-hydrodynamic-focusing
#4
Kyle A DiVito, Michael A Daniele, Steven A Roberts, Frances S Ligler, André A Adams
This data article provides further detailed information related to our research article titled "Microfabricated Blood Vessels Undergo Neovascularization" (DiVito et al., 2017) [1], in which we report fabrication of human blood vessels using hydrodynamic focusing (HDF). Hydrodynamic focusing with advection inducing chevrons were used in concert to encase one fluid stream within another, shaping the inner core fluid into 'bullseye-like" cross-sections that were preserved through click photochemistry producing streams of cellularized hollow 3-dimensional assemblies, such as human blood vessels (Daniele et al...
October 2017: Data in Brief
https://www.readbyqxmd.com/read/28762633/platelet-activation-and-clotting-cascade-activation-by-dialyzers-designed-for-high-volume-online-hemodiafiltration
#5
Kamonwan Tangvoraphonkchai, Anne Riddell, Andrew Davenport
INTRODUCTION: Hemodialysis patients are pro-thrombotic. Higher volume online postdilutional hemodiafiltration (OL-HDF), with increasing hematocrit increases the risk of clotting in the extracorporeal circuit (ECC). We wished to determine whether OL-HDF increased platelet activation and ECC clotting. METHODS: Coagulation parameters, platelet, white cell, and endothelial activation markers were measured at the start and end of dialysis sessions in 10 patients and also pre- and post-dialyzer after 15 minutes using two different dialyzers designed for high volume OL-HDF; cellulose triacetate (TAGP) and polysulphone (PS), and polyvinylpyrrolidone (PVP)...
August 1, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28744887/in-vitro-evaluation-of-the-internalization-and-toxicological-profile-of-silica-nanoparticles-and-submicroparticles-for-the-design-of-dermal-drug-delivery-strategies
#6
Sara Vicente, Claudia Moia, Huijun Zhu, Xavier Vigé
The use of colloidal silica nanoparticles and sub-microparticles (SiPs) have been considered a very interesting strategy for drug delivery applications. In the present study, we have focused our attention on the suitability of these nanomaterials as potential carriers for dermal drug delivery, thus studying their toxicological profile in vitro, cellular uptake and intracellular localization in both human keratinocytes (K17) and human dermal fibroblasts (HDF) as a function of their particle size (SiPs of 20, 70, 200 and 500 nm)...
July 25, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28742810/effect-of-calcium-electroporation-in-combination-with-metformin-in-vivo-and-correlation-between-viability-and-intracellular-atp-level-after-calcium-electroporation-in-vitro
#7
Stine Krog Frandsen, Julie Gehl
BACKGROUND: Calcium electroporation is a new experimental anti-cancer treatment where calcium is internalized into cells by application of short, high voltage pulses. Calcium electroporation has been shown to induce tumor necrosis associated with ATP depletion while the effect on normal fibroblasts was limited when investigated in a 3D in vitro spheroid model. We aimed to investigate the effect of calcium electroporation in combination with metformin, a drug that affects intracellular ATP level...
2017: PloS One
https://www.readbyqxmd.com/read/28734664/ph-responsive-biodegradable-nanogels-for-sustained-release-of-bleomycin
#8
Prashant Sahu, Sushil K Kashaw, Varun Kushwah, Samaresh Sau, Sanyog Jain, Arun K Iyer
Site specific drug delivery with desired therapeutic effect still remains challenging task due to suboptimal release, tissue toxicity, low selectivity and meager therapeutic efficacy in skin cancers. The aim of the current study was to fabricate pH responsive, self-assembled, chemically cross-linked biodegradable chitosan nanogel loaded with bleomycin to target the dermal area of the skin. The nanogel synthesized by ion gelation technique and was characterized for drug loading, swelling and thermal stability followed by in vitro analysis...
June 27, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28707330/the-impact-of-dialysis-modality-and-membrane-characteristics-on-intradialytic-hypotension
#9
Samir Patel, Jochen G Raimann, Peter Kotanko
The risk of intradialytic hypotension (IDH) is determined by various factors, among them dialysis modality and dialyzer membrane. We conducted a literature search in PubMed on November 1, 2016 and selected relevant randomized controlled and cross-over trials, and prospective and retrospective cohort studies published in English that investigated the association between IDH and dialysis modality and membrane, respectively. This literature search revealed 669 publications on dialysis modality, 64 on dialysis membrane, and 24 on acetate/bicarbonate dialysate...
July 13, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28707264/evaluation-of-propylene-glycol-nanoliposomes-containing-curcumin-on-burn-wound-model-in-rat-biocompatibility-wound-healing-and-anti-bacterial-effects
#10
Nooshin Kianvash, Abbas Bahador, Maryam Pourhajibagher, Homanaz Ghafari, Vahid Nikoui, Sayed Mehdi Rezayat, Ahmad Reza Dehpour, Alireza Partoazar
Curcumin is an effective wound healing agent in burn therapy, but due to its low bioavailability, it is required to be formulated for topical therapy. Liposomal nanocarriers are developed as stable and efficient dermal delivery systems. In this study, we prepared curcumin-propylene glycol liposomes (Cur-PgL) to treat animals subjected to second degree burns. The characterization tests confirmed the production of monodisperse nanoliposomes of average size of about 145 nm with high entrapment efficiency percentage and a sustained release behavior...
July 13, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28700186/-the-treatment-of-aki-in-nephrology-hospitalization-the-sle-hdf-15-litres-in-10-hours
#11
REVIEW
Marcello Napoli, Maria Luisa Lefons, Giovanni Sandri, Efisio Sozzo, Carmela Ambrosino
The AKI in intensive care has been widely treated by international and national guidelines. The treatment of AKI in patients not requiring admission in Intensive Care Unit, but often hospitalized in Nephrology Unit, it is showed of less relevance. For over 5 years we have used for the treatment of AKI of patients admitted in Nephrology Unit an intermittent slow technique, implemented in approximately 600 patients with AKI for a total of about 3000 treatments. In this study we report the clinical results obtained in 100 consecutive patients referred to our Nephrology Unit from 1st January 2014...
June 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28685358/asymmetric-triacetate-membrane-keeps-high-water-flux-during-ultrafiltration-in-vitro-study
#12
Yoshihiro Tange, Shingo Takesawa, Shigenori Yoshitake
Membrane fouling is a primary challenge encountered during the administration of hemodialysis (HD) and hemodiafiltration (HDF). A high-flux membrane is suitable for dialyzer reuse, since it is used repeatedly. Water flux is a benchmark used to assess the effectiveness of the dialysis membrane during treatment and it is usually evaluated to determine whether membrane fouling has occurred. Polysulfone (PS) membrane has good biocompatibility and solute permeability; however, polyethersulfone (PES) is often used as a hemodiafilter membrane because of better hydrophilicity compared to PS...
July 6, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28672990/effects-of-conditioned-medium-from-ll-37-treated-adipose-stem-cells-on-human-fibroblast-migration
#13
Eun-Jung Yang, Sa-Ik Bang
Adipose stem cell-conditioned medium may promote human dermal fibroblast (HDF) proliferation and migration by activating paracrine peptides during the re-epithelization phase of wound healing. Human antimicrobial peptide LL-37 is upregulated in the skin epithelium as part of the normal response to injury. The effects of conditioned medium (CM) from LL-37 treated adipose stem cells (ASCs) on cutaneous wound healing, including the mediation of fibroblast migration, remain to be elucidated, therefore the aim of the present study was to determine how ASCs would react to an LL-37-rich microenvironment and if CM from LL-37 treated ASCs may influence the migration of HDFs...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28671593/high-consumption-of-iron-exacerbates-hyperlipidemia-atherosclerosis-and-female-sterility-in-zebrafish-via-acceleration-of-glycation-and-degradation-of-serum-lipoproteins
#14
So-Hee Kim, Dhananjay Yadav, Suk-Jeong Kim, Jae-Ryong Kim, Kyung-Hyun Cho
Elevated serum iron level is linked with an increased risk of diabetes and atherosclerosis. However, the pathological mechanism by which iron affects serum lipoprotein levels is unknown. To elucidate the mechanism, a high dose of ferrous ion was applied (final 60 µM, 120 µM) to human serum lipoproteins, macrophages, and human dermal fibroblast (HDF) cells. Iron-treated lipoproteins showed loss of antioxidant ability along with protein degradation and multimerization, especially co-treatment with fructose (final 10 mM)...
July 2, 2017: Nutrients
https://www.readbyqxmd.com/read/28655305/effect-of-pomegranate-extracts-on-brain-antioxidant-markers-and-cholinesterase-activity-in-high-fat-high-fructose-diet-induced-obesity-in-rat-model
#15
Zahra Amri, Asma Ghorbel, Mouna Turki, Férièle Messadi Akrout, Fatma Ayadi, Abdelfateh Elfeki, Mohamed Hammami
BACKGROUND: To investigate beneficial effects of Pomegranate seeds oil (PSO), leaves (PL), juice (PJ) and (PP) on brain cholinesterase activity, brain oxidative stress and lipid profile in high-fat-high fructose diet (HFD) induced-obese rat. METHODS: In vitro and in vivo cholinesterase activity, brain oxidative status, body and brain weight and plasma lipid profile were measured in control rats, HFD-fed rats and HFD-fed rats treated by PSO, PL, PJ and PP. RESULTS: In vitro study showed that PSO, PL, PP, PJ inhibited cholinesterase activity in dose dependant manner...
June 27, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28654917/hypertriglyceridemia-in-female-rats-during-pregnancy-induces-obesity-in-male-offspring-via-altering-hypothalamic-leptin-signaling
#16
Tanzil Ur Rahman, Kamran Ullah, Zhang-Hong Ke, Meng-Xi Guo, Lu-Yang Jin, Jun Ren, Yu-Zhong Zhou, Yi Cheng, Xin-Yan Dong, Hai-Yan Pang, Ting-Ting Wang, Jian-Zhong Sheng, He-Feng Huang
Maternal obesity influence the child's long-term development and health. Though, the mechanism concerned in this process is still uncertain. In the present study, we explored whether overfeeding of a high-fat diet during pregnancy in female rats altered metabolic phenotypes in an F1 generation and authenticated the contribution of hypothalamic leptin signaling. Leptin responsiveness and the number of immunopositive neurons for phosphorylated signal transducer and activator transcription 3 (pSTAT3) were analyzed...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644845/lipo-pge1-suppresses-collagen-production-in-human-dermal-fibroblasts-via-the-erk-ets-1-signaling-pathway
#17
Yoolhee Yang, Hee Jung Kim, Kyong-Je Woo, Daeho Cho, Sa Ik Bang
Dysregulation of collagen production contributes to various pathological processes, including tissue fibrosis as well as impaired wound healing. Lipo-prostaglandin E1 (Lipo-PGE1), a lipid microsphere-incorporated prostaglandin E1, is used as a vasodilator for the treatment of peripheral vascular diseases. Lipo-PGE1 was recently shown to enhance human dermal fibroblast (HDF) migration and in vivo wound healing. No published study has characterized the role of Lipo-PGE1 in collagen regulation in HDFs. Here, we investigated the cellular signaling mechanism by which Lipo-PGE1 regulates collagen in HDFs...
2017: PloS One
https://www.readbyqxmd.com/read/28643415/cultivation-of-human-dermal-fibroblasts-and-epidermal-keratinocytes-on-keratin-coated-silica-bead-substrates
#18
Bee Yi Tan, Luong T H Nguyen, Hyo-Sop Kim, Jae-Ho Kim, Kee Woei Ng
Human hair keratin is promising as a bioactive material platform for various biomedical applications. To explore its versatility further, human hair keratin was coated onto monolayers of silica beads to produce film-like substrates. This combination was hypothesized to provide a synergistic effect in improving the biochemical properties of the resultant composite. Atomic Force Microscopy analysis showed uniform coatings of keratin on the silica beads with a slight increase in the resulting surface roughness...
June 23, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28640578/insect-analogue-to-the-lotus-leaf-a-planthopper-wing-membrane-incorporating-a-low-adhesion-nonwetting-superhydrophobic-bactericidal-and-biocompatible-surface
#19
Gregory S Watson, David W Green, Bronwen W Cribb, Christopher L Brown, Christopher R Meritt, Mark J Tobin, Jitraporn Vongsvivut, Mingxia Sun, Ai-Ping Liang, Jolanta A Watson
Nature has produced many intriguing and spectacular surfaces at the micro- and nanoscales. These small surface decorations act for a singular or, in most cases, a range of functions. The minute landscape found on the lotus leaf is one such example, displaying antiwetting behavior and low adhesion with foreign particulate matter. Indeed the lotus leaf has often been considered the "benchmark" for such properties. One could expect that there are animal counterparts of this self-drying and self-cleaning surface system...
July 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28627622/human-amnion-derived-mesenchymal-stem-cells-protect-against-uva-irradiation-induced-human-dermal-fibroblast-senescence-in%C3%A2-vitro
#20
Chunli Zhang, Haishen Yuchi, Lu Sun, Xiaoli Zhou, Jinde Lin
The aim of the present study was to determine if human amnion‑derived mesenchymal stem cells (HAMSCs) exert a protective effect on ultraviolet A (UVA) irradiation-induced human dermal fibroblast (HDF) senescence. A senescence model was constructed as follows: HDFs (104‑106 cells/well) were cultured in a six‑well plate in vitro and then exposed to UVA irradiation at 9 J/cm2 for 30 min. Following the irradiation period, HDFs were co‑cultured with HAMSCs, which were seeded on transwells. A total of 72 h following the co‑culturing, senescence‑associated β‑galactosidase staining was performed and reactive oxygen species (ROS) content and mitochondrial membrane potential (Δψm) were detected in the HDFs via flow cytometric analysis...
August 2017: Molecular Medicine Reports
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