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https://www.readbyqxmd.com/read/29779281/-effects-of-tumor-necrosis-factor-%C3%AE-on-osteogenic-differentiation-and-notch-signaling-pathway-in-human-periodontal-ligament-stem-cells
#1
Yu Ma, Shu-Hui Li, Xin-Xin Ding, Pei-Ling Wu
OBJECTIVE: To evaluate the effects of tumor necrosis factor-α (TNF-α) on osteogenic differentiation and Notch signaling pathway of periodontal ligament stem cells (PDLSCs) and to investigate the regulatory role of Notch signaling pathway on the osteogenic differentiation of PDLSCs under the influence of TNF-α. METHODS: PDLSCs were obtained through enzyme digestion and tissue block method. The expression levels of stem cell surface markers CD105, CD90, CD146, CD45, and CD31 were detected by fluorescence activated cell sorter (FACS)...
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29779270/-protective-effects-of-hydrogen-rich-medium-on-lipopolysaccharides-induced-injury-in-human-periodontal-ligament-cells
#2
Min Zhou, Zuo-Lin Wang
OBJECTIVE: In this study, lipopolysaccharides (LPS) was used to damage human periodontal ligament cells (hPDLCs) and consequently investigate the protective effects of hydrogen on reducing oxidative stress and cell apoptosis rate. METHODS: hPDLCs were isolated, and then cultured with normal medium+1 μg·mL⁻¹ LPS or with hydrogen-rich medium+
1 μg·mL⁻¹ LPS. Cell proliferation activity was assessed using a cell counting kit-8 (CCK-8), and lactic dehydrogenase (LDH) release was also detected...
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29779269/-the-applications-of-periodontal-gingival-surgery-%C3%A2-alternative-materials
#3
Er-Jia Mao
The main purposes of periodontal graft surgery include achieving root coverage, improving the clinical attachment level and keratinized tissue, and advancing the procedure of periodontal plastic surgery. Autogenous graft, such as subepithelial connective tissue graft-based procedure, provide the best outcomes for mean and complete root coverage, as well as increase in keratinized tissue. However, a disadvantage of the procedure is in the location of the operation itself: the additional surgical site (palate)...
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29779263/effects-of-porphyromonas-gingivalis-lps-and-lr12-peptide-on-trem-1-expression-by-monocytes
#4
M Dubar, K Carrasco, S Gibot, C Bisson
Periodontal disease involves the activation of host immune response, acting not only as defender of periodontal tissues against bacterial aggression but also as mediator of tissue destruction. Triggering Receptor Expressed on Myeloid cells 1 (TREM-1) is an immune receptor that synergizes with Toll-like receptors in amplifying the inflammatory response mediated by microbial molecules. AIM: To investigate the role of P. gingivalis lipopolysaccharide (LPS) and the effect of LR12, a TREM-1 inhibitory peptide, on the expression of membrane-bound and soluble form of TREM-1 on human primary monocytes, as well as the production of pro-inflammatory cytokines...
May 19, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29779226/phenotypic-characterization-of-enzymatic-activity-of-clinical-dermatophyte-isolates-from-animals-with-and-without-skin-lesions-and-humans
#5
Sebastian Gnat, Dominik Łagowski, Aneta Nowakiewicz, Przemysław Zięba
AIMS: The pathogenesis of dermatophytoses is associated with the secretion of enzymes degrading the infected tissue components. Although many studies on enzymatic activity of dermatophytes have been conducted over the years, there have been no concrete proposals on construction of the profile of enzymes characteristic of individual species, genus, or ecological types of dermatophytes. The aim of this study was to assess the capability of clinical dermatophyte isolates from both symptomatic and asymptomatic animals and humans to produce different enzymes...
May 20, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29779220/human-intrabony-defect-regeneration-with-micro-grafts-containing-dental-pulp-stem-cells-a-randomized-controlled-clinical-trial
#6
Francesco Ferrarotti, Federica Romano, Mara Noemi Gamba, Andrea Quirico, Marta Giraudi, Martina Audagna, Mario Aimetti
AIM: The goal of this study was to evaluate if dental pulp stem cells (DPSCs) delivered into intrabony defects in a collagen scaffold would enhance the clinical and radiographic parameters of periodontal regeneration. MATERIALS AND METHODS: In this randomized controlled trial, 29 chronic periodontitis patients presenting one deep intrabony defect and requiring extraction of one vital tooth were consecutively enrolled. Defects were randomly assigned to test or control treatments which both consisted of the use of minimally invasive surgical technique...
May 19, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29779217/ginsenoside-c-mx-isolated-from-notoginseng-stem-leaf-ginsenosides-attenuates-ultraviolet-b-mediated-photoaging-in-human-dermal-fibroblasts
#7
Xiao-Yi Liu, Eunson Hwang, Bom Park, Hien T T Ngo, Yong-Kun Xiao, Tae-Hoo Yi
Notoginseng is a traditional herbal medicine widely used for medicinal therapy in Asia, as it contains numerous ginsenosides with pharmacological effects. In this study, we submitted Notoginseng stem-leaf (NGL) ginsenosides to an enzyme to create reaction the monomer products of ginsenoside C-Mx and then investigated the ability of ginsenoside C-Mx to protect the skin against ultraviolet B-induced injury in normal human dermal fibroblasts (NHDFs). Ginsenoside C-Mx alleviated UVB-induced intracellular reactive oxygen species (ROS), MMP-1, and IL-6 expression while accelerating TGF-β and procollagen type I secretion...
May 20, 2018: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/29779214/cyanidin-3-glucoside-inhibits-inflammatory-activities-in-human-fibroblast-like-synoviocytes-and-in-mice-with-collagen-induced-arthritis
#8
Yan Sun, Lingling Li
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by joint tissue inflammation. Cyanidin-3-glucoside (C3G) is a major component in the flavonoid family and has shown anti-inflammatory, anti-oxidant and anti-tumor activity. In this study, we investigated the effects of C3G on lipopolysaccharides (LPS)-induced inflammation on human rheumatoid fibroblast-like synoviocytes (FLS) and on collagen-induced arthritis (CIA) mice model. We treated FLS with C3G followed by LPS induction, the expressions of tumor necrosis factor alpha (TNF-α), interleukin 1 beta (IL-1β) and IL-6 and the activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathway were analyzed...
May 19, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29779181/tailoring-acyclovir-prodrugs-with-enhanced-antiviral-activity-rational-design-synthesis-human-plasma-stability-and-in-vitro-evaluation
#9
Radoslav L Chayrov, Evgenios K Stylos, Maria V Chatziathanasiadou, Kiril N Chuchkov, Aleksandra I Tencheva, Androniki D Kostagianni, Tsenka S Milkova, Assia L Angelova, Angel S Galabov, Stoyan A Shishkov, Daniel G Todorov, Andreas G Tzakos, Ivanka G Stankova
Bile acid prodrugs have served as a viable strategy for refining the pharmaceutical profile of parent drugs through utilizing bile acid transporters. A series of three ester prodrugs of the antiherpetic drug acyclovir (ACV) with the bile acids cholic, chenodeoxycholic and deoxycholic were synthesized and evaluated along with valacyclovir for their in vitro antiviral activity against herpes simplex viruses type 1 and type 2 (HSV-1, HSV-2). The in vitro antiviral activity of the three bile acid prodrugs was also evaluated against Epstein-Barr virus (EBV)...
May 19, 2018: Amino Acids
https://www.readbyqxmd.com/read/29779176/intranasal-delivery-of-pgdnf-dna-nanoparticles-provides-neuroprotection-in-the-rat-6-hydroxydopamine-model-of-parkinson-s-disease
#10
Amirah E-E Aly, Brendan T Harmon, Linas Padegimas, Ozge Sesenoglu-Laird, Mark J Cooper, Barbara L Waszczak
Glial cell line-derived neurotrophic factor (GDNF) gene therapy could offer a disease-modifying treatment for Parkinson's disease (PD). Here, we report that plasmid DNA nanoparticles (NPs) encoding human GDNF administered intranasally to rats induce transgene expression in the brain and protect dopamine neurons in a model of PD. To first test whether intranasal administration could transfect cells in the brain, rats were sacrificed 1 week after intranasal pGDNF NPs or the naked plasmid. GDNF ELISA revealed significant increases in GDNF expression throughout the brain for both treatments...
May 19, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29779156/adolescent-isolation-rearing-produces-a-prepulse-inhibition-deficit-correlated-with-expression-of-the-nmda-glun1-subunit-in-the-nucleus-accumbens
#11
Megan L Fitzgerald, Virginia M Pickel
Adolescence is a transition period during which social interaction is necessary for normal brain and behavior development. Severely abnormal social interactions during adolescence can increase the incidence of lifelong psychiatric disease. Decreased prepulse inhibition (PPI) is a quantifiable hallmark of some psychiatric illnesses in humans and can be elicited in rodents by isolation rearing throughout the adolescent transition period. PPI is a measure of sensorimotor gating in which the nucleus accumbens (Acb) is crucially involved...
May 19, 2018: Brain Structure & Function
https://www.readbyqxmd.com/read/29779152/genetic-analysis-of-39-y-str-loci-in-a-han-population-from-henan-province-central-china
#12
Yanmei Huang, Liwei Guo, Mengge Wang, Cui Zhang, Lixia Kang, Kejie Wang, Yalei Ma, Huiyong Jiao, Xi Li, Hongyu Sun
A total of 39 Y-chromosomal short tandem repeat (Y-STR) loci included in the advanced commercial six-dye multiplex system (AGCU Database Y30 kit) and a custom-designed four-dye multiplex system were investigated in 259 unrelated healthy Chinese males residing in Henan Province, central China. The haplotype diversity (HD) values were 0.99997 and 1.0000 for the six and four fluorescent-multiplex amplification systems, respectively. The discrimination capacity (DC) values were 0.9961 and 1.0000, respectively. When the 39 Y-STR loci were considered, 259 unique haplotypes were obtained in Henan Han individuals with both the haplotype diversity and discrimination capacity being 1...
May 19, 2018: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/29779148/in-vitro-virulence-characteristics-of-rare-serovars-of-salmonella-enterica-isolated-from-sand-lizards-lacerta-agilis-l
#13
Joanna Mokracka, Sylwia Krzymińska, Danił Ałtunin, Dariusz Wasyl, Ryszard Koczura, Krzysztof Dudek, Monika Dudek, Zofia Anna Chyleńska, Anna Ekner-Grzyb
The aim of this study was to estimate virulence potential of Salmonella enterica strains colonizing the gut of free-living sand lizards (Lacerta agilis L.). The strains belonged to three Salmonella serovars: Abony, Schleissheim, and Telhashomer. Adhesion and invasion abilities of the strains were determined in quantitative assays using the gentamicin protection method. Induction of apoptosis was assessed using HeLa cell monolayers. PCR assays were used for detection of 26 virulence genes localised within mobile elements: pathogenicity islands, virulence plasmids, and prophage sequences...
May 19, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29779132/cryptic-dispersal-of-cyanidiophytina-rhodophyta-in-non-acidic-environments-from-turkey
#14
Manuela Iovinella, Ayla Eren, Gabriele Pinto, Antonino Pollio, Seth J Davis, Paola Cennamo, Claudia Ciniglia
Cyanidiophytina are a group of polyextremophilic red algae with a worldwide, but discontinuous colonization. They are restricted to widely dispersed hot springs, geothermal habitats, and also some human-altered environments. Cyanidiophytina are predominant where pH is prohibitive for the majority of eukaryotes (pH 0.5-3). Turkey is characterized by areas rich in volcanic activity separated by non-volcanic areas. Here we show that Cyanidiophycean populations are present in thermal baths located around Turkey on neutral/alkaline soils...
May 19, 2018: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/29779126/animal-models-of-chronic-migraine
#15
REVIEW
Tse-Ming Chou, Shih-Pin Chen
PURPOSE OF REVIEW: Chronic migraine (CM) is a recalcitrant subtype of migraine which causes high degrees of disability, poor treatment responses, and frequent recurrences in sufferers. However, the pathophysiological mechanisms underlying the development and chronification of migraine attacks remain incompletely understood. A validated animal model could help to decipher the pathogenic mechanism of the disease, facilitating the development of possible therapeutic strategies for CM. In this review, we aimed to summarize current animal models of CM and discuss the validity of these models...
May 19, 2018: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/29779124/confidenht%C3%A2-system-for-diagnostic-mapping-of-renal-nerves
#16
REVIEW
Costas Tsioufis, Kyriakos Dimitriadis, Panagiotis Tsioufis, Rafael Patras, Maria Papadoliopoulou, Zoi Petropoulou, Dimitris Konstantinidis, Dimitrios Tousoulis
PURPOSE OF REVIEW: To summarize the evidence regarding the distribution of renal nerves and their patterns of anatomic variations in animal and human settings. Moreover, the methodology and results of studies regarding renal nerve stimulation (RNS) in both preclinical and clinical models are presented. RECENT FINDINGS: There are differences regarding the number and the size of renal fibers, as well as their distance from the lumen in the diverse parts of the main renal arteries and the branches...
May 19, 2018: Current Hypertension Reports
https://www.readbyqxmd.com/read/29779121/a-comprehensive-comparable-study-of-the-physiological-properties-of-four-microalgal-species-under-different-light-wavelength-conditions
#17
Yu Zhong, Peng Jin, Jay J Cheng
Microalgae treated with blue light have potential for production of human nutrition supplement and biofuel due to their higher biomass productivity and favorable fatty acid composition. Chlorella vulgaris, Chlorella pyrenoidosa, Scenedesmus quadricauda and Scenedesmus obliquus are representative green microalgae which are widely reported for algal production. In this study, we provide a systematic investigation of the biomass productivity, photosynthetic pigments, chlorophyll fluorescence and fatty acid content of the four green microalgae...
May 19, 2018: Planta
https://www.readbyqxmd.com/read/29779106/modular-nanotransporter-with-p21-fragment-inhibits-dna-repair-after-bleomycin-treatment
#18
T R Kamaletdinova, A A Rosenkranz, A V Ulasov, Y V Khramtsov, A D Tsvetkova, G P Georgiev, A S Sobolev
Modular nanotransporter (MNT) with C-terminal fragment of the p21 protein was synthesized and characterized, and its effect on DNA lesions was studied. This p21 fragment in MNT can significantly inhibit DNA repair in A431 human carcinoma cells after bleomycin treatment.
March 2018: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29779104/alternative-splicing-of-the-xmas-mrna-encoding-the-mrna-export-protein-in-drosophila-melanogaster
#19
D V Kopytova, Yu V Il'in, E N Nabirochkina
It is shown that Drosophila melanogaster has Xmas mRNA whose alternative splicing leads to the formation of three transcripts: Xmas, Xmas-2, and Xmas-1. As a result, three proteins are synthesized: Xmas, Xmas-2, and, presumably, Xmas-1. The size of the Xmas protein is close to the size of its homologue in humans. Adult flies contain large amounts of this protein, whereas in embryos it is absent.
March 2018: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29779099/the-differential-expression-of-adhesion-molecule-and-extracellular-matrix-genes-in-mesenchymal-stromal-cells-after-interaction-with-cord-blood-hematopoietic-progenitors
#20
L B Buravkova, E R Andreeva, M V Lobanova, E V Cotnezova, A I Grigoriev
The dynamics of the expression of genes encoding adhesion molecules, molecules of the connective tissue matrix, and its remodeling enzymes was studied in multipotent mesenchymal stromal cells (MSCs) from human adipose tissue after interaction with cord blood hematopoietic progenitors (HSPCs). An upregulation of ICAM1 and VCAM1, directly proportional to the coculture time (24-72 h), was found. After 72 h of culturing, a downregulation of the genes encoding the majority of matrix molecules (SPP1; COL6A2,7A1; MMP1,3; TIMP1,3; and HAS1) and cell-matrix adhesion molecules (ITGs) was revealed...
March 2018: Doklady. Biochemistry and Biophysics
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