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A list of all pages that have property "Has abstract" with value "19th Chinese Biophysics congress, Anhui Province, China, 2021". Since there have been only a few results, also nearby values are displayed.

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  • ESP2021 Salzburg AT  + (19th Congress of the European Society for 19th Congress of the European Society for Photobiology - ESP2021, Salzburg, Austria, 2021 </br></br>== Venue == </br>:::: Faculty of Natural Sciences (NAWI) of the Paris Lodron University Salzburg (PLUS)</br>:::: Venue address: Hellbrunnerstrasse 34, 5020 Salzburg, Austria.</br>:::: [http://salzburg2021.photobiology.eu/congress-venue more information]</br></br>== Program ==</br>:::: [http://salzburg2021.photobiology.eu/ here]</br></br>== Speakers == </br>:::: List of speakers can be found [http://salzburg2021.photobiology.eu/ here]</br></br>== Organizers ==</br>:::: The list of organizers can be found [http://salzburg2021.photobiology.eu/organizing-committee here]</br></br>== Registration ==</br>:::: [http://salzburg2021.photobiology.eu/ Registration and more information]ogy.eu/ Registration and more information])
  • Chlamy 2021 Ile des Embiez FR  + (19th International Conference on the Cell and Molecular Biology of Chlamydomonas, Ile des Embiez, France, 2021)
  • FEBS 2023 Luso PT  + (1<sup>st</sup> 1st FEBS Workshop “Redox Medicine Workshop, Luso, Portugal, 2023)
  • MiPschool Schroecken AT 2007  + (1<sup>st</sup> MiP''summer school'' on Mitochondrial Respiratory Physiology, 2007 July 12-18, Schroecken, AT.)
  • 1st Myocardial Function Symposium 2020 Graz AT  + (1st Myocardial Function Symposium: “Targets in cardiometabolic disease”, Graz, Austria, 2020)
  • SHVM 2021 Virtual  + (1st virtual meeting of the Society for Heart and Vascular Metabolism (SHVM), Virtual, 2021)
  • Goncalves 2017 J Cell Commun Signal  + (1α,25-Dihydroxyvitamin D<sub>3</s1α,25-Dihydroxyvitamin D<sub>3</sub> (1,25-D<sub>3</sub>) is critical for the maintenance of normal male reproduction since reduced fertility is observed in vitamin D-deficient rats. Gamma-glutamyl transpeptidase (GGT) is a membrane-bound enzyme that is localized on Sertoli cells and catalyses the transfer of the gamma-glutamyl residues to an amino acid or peptide acceptor. Sertoli cells are also responsible for providing nutrients, as lactate, to the development of germ cells. The aim of this study was to investigate the effect and the mechanism of action of 1,25-D<sub>3</sub> on GGT on Sertoli cell functions from 30-day-old immature rat testis. Results demonstrated that 1,25-D<sub>3</sub> stimulates GGT activity at Sertoli cells plasma membrane through a PKA-dependent mechanism of action, which was not dependent of active ''de novo'' protein synthesis. The hormone increases glucose uptake, as well as lactate production and release by Sertoli cells without altering the reactive oxygen species (ROS) generation. In addition, 1,25-D<sub>3</sub> did not change reduced glutathione (GSH) amount or oxygen consumption, and diminished Sertoli cell death. These findings demonstrate that 1,25-D<sub>3</sub> stimulatory effect on GGT activity, glucose uptake, LDH activity and lactate production seem to be an important contribution of Sertoli cells for germ cells nutrition and for a full and active ongoing spermatogenesis.mportant contribution of Sertoli cells for germ cells nutrition and for a full and active ongoing spermatogenesis.)
  • Royall 1993 Arch Biochem Biophys  + (2',7'-Dichlorofluorescein and dihydrorhoda2',7'-Dichlorofluorescein and dihydrorhodamine 123 were evaluated as probes for detecting changes in intracellular H2O2 in cultured endothelial cells. Stable intracellular levels of these probes were established within 15 min of exposure to the probe in culture medium. With continued presence of the probe in the medium, intracellular levels were unchanged for 1 h. However, if medium without the probes was used after intracellular loading had occurred, there was a greater than 90% loss of intracellular dichlorofluorescin, dichlorofluorescein, and dihydrorhodamine 123 while intracellular rhodamine 123 decreased by only 15%. Exposure of endothelial cells to exogenous 100 microM H2O2 for 1 h increased intracellular rhodamine 123 by 83%, but there was a reproducible decrease of 53% in intracellular dichlorofluorescein. Exposure to 0.05 mM BCNU plus 10 mM aminotriazole for 2 h increased intracellular rhodamine 123 by 111%. In vitro studies of dihydrorhodamine 123 oxidation were similar to previous reports of dichlorofluorescin oxidation. Oxidation of dihydrorhodamine 123 does not occur with H2O2 alone, but is mediated by a variety of secondary H2O2-dependent intracellular reactions including H2O2-cytochrome c and H2O2-Fe2+. Our results suggest that detection of increased oxidation of these probes in endothelial cells is most useful as a marker of a change in general cellular oxidant production.ge in general cellular oxidant production.)
  • Lardy 1953 J Biol Chem  + (2,4-Dinitrophenol greatly enhanced the 2,4-Dinitrophenol greatly enhanced the liberation of inorganic phosphate from ATP by the nuclear and mitochondrial fraction of rat liver. </br>The microsomal and supernatant fractions did not exhibit this effect. </br></br>With mitochondria (Mw) the rate of phosphate liberation was proportional to the DNP concentration up to 6 X 10-5 M In the presence of excess DNP the rate was proportional to the quantity of Mw nd to time. </br></br>With both fresh and preaged Mw, the response to DNP was much greater </br>in mediums containing salt (either NaCl or KCl) than in isotonic sucrose. Magnesium salts in appreciable concentrations depressed the response of fresh Mw to DNP, but enhanced the response in preaged Mw. Calcium salts, which activate ATP hydrolysis by fresh Mw in the absence of DNP, also depressed the effect of DNP on phosphate liberation. Magnesium salts enhanced phosphate liberation by preaged Mw both in the presence and absence of DNP. Calcium was virtually without effect in preaged Mw. </br></br>Oxalacetate enhanced phosphate liberation from ATP by fresh Mw. This dicarboxylic acid as well as succinate and L-malate depressed the </br>effect of DNP on phosphate liberation. Fatty acids also depressed the </br>effect of DNP. Caprylate enhanced phosphate liberation, probably be- </br>cause of its surface activity. </br></br>The thiol inhibitor, p-chloromercuribenzoate, strongly depressed the effect of DNP; iodoacetate and o-iodosobenzoate did not.</br></br>''Continued in Free Text''ate did not. ''Continued in Free Text'')
  • Freitas-Correa 2013 Stem Cell Res  + (2,4-Dinitrophenol (DNP) is a neuroprotecti2,4-Dinitrophenol (DNP) is a neuroprotective compound previously shown to promote neuronal differentiation in a neuroblastoma cell line and neurite outgrowth in primary neurons. Here, we tested the hypothesis that DNP could induce neurogenesis in embryonic stem cells (ESCs). Murine ESCs, grown as embryoid bodies (EBs), were exposed to 20μM DNP (or vehicle) for 4days. Significant increases in the proportion of nestin- and β-tubulin III-positive cells were detected after EB exposure to DNP, accompanied by enhanced glial fibrillary acidic protein (GFAP), phosphorylated extracellular signal-regulated kinase (p-ERK) and ATP-linked oxygen consumption, thought to mediate DNP-induced neural differentiation. DNP further protected ESCs from cell death, as indicated by reduced caspase-3 positive cells, and increased proliferation. Cell migration from EBs was significantly higher in DNP-treated EBs, and migrating cells were positive for nestin, ß-tubulin III and MAP2, similar to that observed with retinoic acid (RA)-treated EBs. Compared to RA, however, DNP exerted a marked neuritogenic effect on differentiating ESCs, increasing the average length and number of neurites per cell. Results establish that DNP induces neural differentiation of ESCs, accompanied by cell proliferation, migration and neuritogenesis, suggesting that DNP may be a novel tool to induce neurogenesis in embryonic stem cells.duce neurogenesis in embryonic stem cells.)