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https://www.readbyqxmd.com/read/28109149/-indirect-coculture-of-human-infrapatellar-fat-pad-derived-stem-cells-with-osteoarthritic-chondrocytes-induces-their-chondrogenesis
#1
Junjun Yang, Cheng Chen, Liu Yang, Xiongbo Song, Wenbin Xie, Shu Huang, Baorong Liu
Objective To promote phenotype recovery of osteoarthritic articular chondrocytes (OACs) and induce chondrogenic differentiation of infrapatellar fat pad-derived stem cells (IPFPSCs) by indirectly coculturing these two types of cells. Methods The OACs and IPFPSCs were isolated and cultured in vitro. This experiment included single IPFPSCs group, single OACs group, and coculture group. After cells were cultured in vitro with chondrogenic medium for 21 days, the chondrocyte phenotypes were determined by HE staining (cell morphology), Alcian blue staining (glycosaminoglycan content) and immunofluorescence cytochemistry (collagen 1, collagen 2, collagen 3, aggrecan, SOX9)...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109101/-fgf-2-pela-bmp-2-microcapsule-scaffold-promotes-osteogenic-differentiation-of-rat-periosteum-derived-stem-cells-in-vitro
#2
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/28108901/performance-characteristics-of-multicolor-versus-blue-light-and-infrared-imaging-in-the-identification-of-reticular-pseudodrusen
#3
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/28108569/five-year-progression-of-unilateral-age-related-macular-degeneration-to-bilateral-involvement-the-three-continent-amd-consortium-report
#4
Nichole Joachim, Johanna Maria Colijn, Annette Kifley, Kristine E Lee, Gabriëlle H S Buitendijk, Barbara E K Klein, Chelsea E Myers, Stacy M Meuer, Ava G Tan, Elizabeth G Holliday, John Attia, Gerald Liew, Sudha K Iyengar, Paulus T V M de Jong, Albert Hofman, Johannes R Vingerling, Paul Mitchell, Caroline C W Klaver, Ronald Klein, Jie Jin Wang
PURPOSE: To assess the 5-year progression from unilateral to bilateral age-related macular degeneration (AMD) and associated risk factors. DESIGN: Pooled data analyses of three prospective population-based cohorts, the Blue Mountains Eye Study, Beaver Dam Eye Study and Rotterdam Study. METHODS: Retinal photography and interview with comprehensive questionnaires were conducted at each visit of three studies. AMD was assessed following the modified Wisconsin AMD grading protocol...
January 20, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28108290/pmp22-mutant-allele-specific-sirna-alleviates-demyelinating-neuropathic-phenotype-in-vivo
#5
Ji-Su Lee, Eun Hyuk Chang, Ok Jae Koo, Dong Hwan Jwa, Won Min Mo, Geon Kwak, Hyo Won Moon, Hwan Tae Park, Young Bin Hong, Byung-Ok Choi
Charcot-Marie-Tooth disease (CMT) is a genetic disorder that can be caused by aberrations in >80 genes. CMT has heterogeneous modes of inheritance, including autosomal dominant, autosomal recessive, X-linked dominant, and X-linked recessive. Over 95% of cases are dominantly inherited. In this study, we investigated whether regulation of a mutant allele by an allele-specific small interfering RNA (siRNA) can alleviate the demyelinating neuropathic phenotype of CMT. We designed 19 different allele-specific siRNAs for Trembler J (Tr-J) mice harboring a naturally occurring mutation (Leu16Pro) in Pmp22...
January 17, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28107993/using-multiple-process-analytical-technology-probes-to-monitor-multivitamin-blends-in-a-tableting-feed-frame
#6
Pedro Durão, Clémence Fauteux-Lefebvre, Jean-Maxime Guay, Nicolas Abatzoglou, Ryan Gosselin
As Process Analytical Technology (PAT) implementation grows in the pharmaceutical industry, more studies are being performed to evaluate its suitability in new applications and processes within the manufacturing chain. As the last step in tablet production, the compression stage represents a critical phase that ensures product quality. In-line control put in place at this stage has the potential to detect powder blends that are out of specification limits and, thus, help to improve product quality. The objectives of the present project are to quantify the composition of a commercial 31-component multivitamin powder blend in real time on an industrial feed frame, using 3 different PAT tools: light-induced fluorescence spectroscopy, near infrared spectroscopy and red, green and blue color imaging...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107969/a-new-paper-based-analytical-device-for-detection-of-glucose-6-phosphate-dehydrogenase-deficiency
#7
Phuritat Kaewarsa, Wanida Laiwattanapaisal, Attakorn Palasuwan, Duangdao Palasuwan
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a genetic haemolytic disorder. Most persons with G6PD deficiency are asymptomatic, but exposure to oxidant drugs, such as the anti-malarial drug primaquine, may induce haemolysis, which is commonly found in Asian countries. A reliable test is necessary for diagnosing the deficiency to prevent an acute haemolytic crisis. This study proposes a novel quantitative method to detect G6PD deficiency using paper-based analytical devices (G6PDD-PAD). Wax printing was utilized for fabricating circular reaction zone patterns in paper...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107809/plasma-protein-profiling-for-potential-biomarkers-in-the-early-diagnosis-of-alzheimer-s-disease
#8
Yuki Kitamura, Ryoko Usami, Sahoko Ichihara, Hirotaka Kida, Masayuki Satoh, Hidekazu Tomimoto, Mariko Murata, Shinji Oikawa
OBJECTIVES: Alzheimer's disease (AD) is the most common cause of dementia in elderly persons. Since the pathology of AD develops slowly from a preclinical or early phase into a fully expressed clinical syndrome, at the time of diagnosis the disease has been progressing for many years. To facilitate the early diagnosis of AD, we performed protein profiling of blood in patients with mild AD as defined by the Functional Assessment Staging (FAST) scale. METHODS: Plasma samples from mild AD patients and healthy controls were analyzed using two-dimensional differential gel electrophoresis (2D-DIGE) combined with matrix-assisted laser desorption ionization time-of-flight tandem mass spectrometry (MALDI-TOF/TOF/MS) followed by peptide mass fingerprinting...
January 20, 2017: Neurological Research
https://www.readbyqxmd.com/read/28107708/acid-base-treated-vermiculite-as-high-performance-adsorbent-insights-into-the-mechanism-of-cationic-dyes-adsorption-regeneration-recyclability-and-stability-studies
#9
Wojciech Stawiński, Agnieszka Węgrzyn, Tomasz Dańko, Olga Freitas, Sónia Figueiredo, Lucjan Chmielarz
Additional treatment with NaOH of acid activated vermiculite results in even higher increase in the adsorption capacity in comparison to samples modified only in acidic solution (first step of activation) with respect to raw material. Optimization of treatment conditions and adsorption capacity for two cationic dyes (methylene blue (MB) and astrazon red (AR)), also as binary mixture, was evaluated. The capacity, based on column studies, increased from 48 ± 2 to 203 ± 4 mg g(-1) in the case of methylene blue and from 51 ± 1 to 127 ± 2 mg g(-1) in the case of astrazon red on starting and acid-base treated material, respectively...
January 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28107686/a-novel-aptasensor-for-the-colorimetric-detection-of-s-typhimurium-based-on-gold-nanoparticles
#10
Xiaoyuan Ma, Liangjing Song, Nixin Zhou, Yu Xia, Zhouping Wang
A simple, fast and convenient colorimetric aptasensor was fabricated for the detection of Salmonella typhimurium (S. typhimurium) which was based on the color change effect of gold nanoparticles (GNPs). S. typhimurium is one of the most common causes of food-associated disease. Aptamers with specific recognition toward S. typhimurium was modified to the surface of prepared GNPs. They play a role for the protection of GNPs from aggregation toward high concentrations of NaCl. With the addition of S. typhimurium, aptamers preferably combined to S...
December 30, 2016: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28107605/creating-immunocompromised-districts
#11
K Ramey, J Ibrahim, R T Brodell
We read the letter to the editor, Viral warts and seborrheic keratosis on tattoos: a review of 9 cases with great interest.(1) Dermatologists see only what they know! Once we recognized the possibility that warts might grow preferentially in black and blue tattoo dye, we collected 7 cases over a 10-year period from one solo private practice. In this report, a patient with a pre-existing viral wart on skin adjacent to a new tattoo appears to have preferentially spread onto the immunocompromised district (Ruocco, 2009)(2) created by black ink nanoparticles...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28107564/tattoo-removal-by-q-switched-yag-laser-client-satisfaction
#12
K Hutton Carlsen, J Esmann, J Serup
BACKGROUND: Tattoo removal by Q-switched lasers is golden standard; however, clients' satisfaction with treatment is little known. OBJECTIVE: To determine clients' satisfaction with tattoo removal. METHODS: 154 tattoo removal clients who had attended the private clinic "Centre for Laser Surgery", Hellerup, Denmark from 2001-2013 completed a questionnaire concerning outcome expectations, level of pain experiences and satisfaction with tattoo removal...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28107440/new-composites-lnbdc-ac-and-cb-6-ac-from-design-toward-selective-adsorption-of-methylene-blue-or-methyl-orange
#13
Guilherme de C Santos, Amanda L Barros, Carlos A F de Oliveira, Leonis L da Luz, Fausthon F da Silva, Grégoire J-F Demets, Severino Alves Júnior
New porous composites LnBDC@AC (AC = Activated carbon, Ln = Eu and Gd and BDC = 1,4-benzenedicaboxylate) and CB[6]@AC (CB[6] = Cucurbit[6]uril) were obtained using hydrothermal route. The LnBDC and CB[B] are located inside the pore of the carbon materials as was observed in SEM-EDS, XRPD and FT-IR analysis. Porosimetry analysis showed values typically between AC and LnBDC material, with pore size and surface area, respectively, 29,56 Å and 353.98 m2g-1 for LnBDC@AC and 35,53 Å and 353.98 m2g-1 for CB[6]@AC...
2017: PloS One
https://www.readbyqxmd.com/read/28106977/correction-to-synthesis-of-%C3%AE-cyclodextrin-based-electrospun-nanofiber-membranes-for-highly-efficient-adsorption-and-separation-of-methylene-blue
#14
Rui Zhao, Yong Wang, Xiang Li, Bolun Sun, Ce Wang
No abstract text is available yet for this article.
January 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28106737/a-novel-combination-rnai-toward-warburg-effect-by-replacement-with-mir-145-and-silencing-of-ptbp1-induces-apoptotic-cell-death-in-bladder-cancer-cells
#15
Tomoaki Takai, Yuki Yoshikawa, Teruo Inamoto, Koichiro Minami, Kohei Taniguchi, Nobuhiko Sugito, Yuki Kuranaga, Haruka Shinohara, Minami Kumazaki, Takuya Tsujino, Kiyoshi Takahara, Yuko Ito, Yukihiro Akao, Haruhito Azuma
Bladder cancer is one of the most difficult malignancies to control. We explored the use of a novel RNA-interference method for a driver oncogene regulating cancer specific energy metabolism by the combination treatment with a small interfering RNA (siRNA) and a microRNA. After transfection of T24 and 253JB-V cells with miR-145 and/or siR-PTBP1, we examined the effects of cell growth and gene expression by performing the trypan blue dye exclusion test, Western blot, Hoechst 33342 staining, reverse transcription polymerase chain reaction (RT-PCR), and electron microscopy...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106517/traditional-invasive-and-synchrotron-based-non-invasive-assessments-of-3d-printed-hybrid-cartilage-constructs
#16
Adeola Deborah Olubamiji, Ning Zhu, Tuanjie Chang, Chijioke Nwankwo, Zohreh Izadifar, Ali Honaramooz, Daniel Chen, B Frank Eames
Three-dimensional (3D)-printed constructs made of polycaprolactone (PCL) and chondrocyte-impregnated alginate hydrogel (hybrid cartilage constructs) mimic the biphasic nature of articular cartilage, offering promise for cartilage tissue engineering (CTE) applications. However, the regulatory pathway for medical device development requires validation of such constructs through in vitro bench tests and in vivo preclinical examinations premarket approval. Furthermore, non-invasive imaging techniques are required for effective evaluation of the progress of these cartilage constructs, especially when implanted in animal models or human subjects...
January 20, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28106394/green-to-red-electrochromic-fe-ii-metallo-supramolecular-polyelectrolytes-self-assembled-from-fluorescent-2-6-bis-2-pyridyl-pyrimidine-bithiophene
#17
Sandesh Pai, Michael Moos, Maximilian H Schreck, Christoph Lambert, Dirk G Kurth
The structure and properties of metallo-supramolecular polyelectrolytes (MEPEs) self-assembled from rigid 2,6-bis(2-pyridyl)pyrimidine and the metal ions Fe(II) and Co(II) are presented. While FeL1-MEPE (L1 = 1,4-bis[2,6-bis(2-pyridyl)pyrimidin-4-yl]benzene) is deep blue, FeL2- and CoL2-MEPE (L2 = 5,5'-bis[2,6-bis(2-pyridyl)pyrimidin-4-yl]-2,2'-bithiophene) are intense green and red in color, respectively. These novel MEPEs display a high extinction coefficient and solvatochromism. Ligand L2 shows a high absolute fluorescence quantum yield (Φf = 82%)...
January 20, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28106259/selection-on-parental-performance-opposes-selection-for-larger-body-mass-in-a-wild-population-of-blue-tits
#18
Caroline E Thomson, Florian Bayer, Nicholas Crouch, Samantha Farrell, Elizabeth Heap, Elizabeth Mittell, Mar Zurita-Cassinello, Jarrod D Hadfield
There is abundant evidence in many taxa for positive directional selection on body size, and yet little evidence for microevolutionary change. In many species, variation in body size is partly determined by the actions of parents, so a proposed explanation for stasis is the presence of a negative genetic correlation between direct and parental effects. Consequently, selecting genes for increased body size would result in a correlated decline in parental effects, reducing body size in the following generation...
January 20, 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/28106198/ten-gram-scale-sic-sio2-nanowires-high-yield-synthesis-towards-industrialization-in-situ-growth-mechanism-and-their-peculiar-photoluminescence-and-electromagnetic-wave-absorption-properties
#19
Z J Li, H Y Yu, G Y Song, J Zhao, H Zhang, M Zhang, A L Meng, Q D Li
SiC@SiO2 nanowires, as a functional nanocomposite, have attracted widespread attention due to their fascinating performance and broad application prospect. However, the low-cost, high yield preparation of large-scale SiC@SiO2 nanowires is still a bottleneck, which hinders their industrial application. Herein, a carbothermal reduction strategy has been developed to synthesize SiC@SiO2 nanowires, which breaks through the handicap of the traditional growth pattern that uses the aid of a substrate. Systematic characterization results illustrate that the yield of the as-obtained products greatly depends on the heating rate, and ten-gram scale SiC@SiO2 nanowires (∼27...
January 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28105887/light-microscopy-with-a-differential-staining-technique-for-the-characterization-and-discrimination-of-insects-versus-marine-arthropods-in-processed-animal-proteins
#20
Matteo Ottoboni, Marco Tretola, Federica Cheli, Daniela Marchis, Pascal Veys, Vincent Baeten, Luciano Pinotti
The aim of this study was to evaluate the use of light microscopy with a differential staining technique for the discrimination of insect material from marine arthropods - classified as fishmeal. Specifically, three samples of single species insect material, Hermetia illucens (HI), Bombyx mori (BM) and Tenebrio molitor (TM) and two samples of marine arthropods, shrimp material and krill, have been analysed and compared after staining by two reagents to enhance fragment identification. Alizarin Red (AR) and Chlorazol black (CB), which react respectively with calcium salts and chitin, were tested for their potential efficacy in distinguishing between insect and marine materials...
January 20, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
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