head pressure of liquid oxygen

... Problemwounds The role of oxygen. New York: Elsevier. 1988:225-235. 16. Vudiniabola S, Pirone C, Williamson J, Goss AN. Hyperbaric oxygen in the prevention of osteoradionecrosis of the jaws. Aust ... the extent of tissue oxygenation (24). HBOT has been shown to improve the healing of hard and soft tissue wounds under hypoxic and normal conditions by stimulating angiogenesis and oxygenation ... alternatives are important areas of research. Hyperbaric oxygen therapy (HBOT) is a mode of medical treatment in which the patient breathes 100 % oxygen at a pressure greater than one atmosphere...

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Ngày tải lên: 14/02/2014, 03:20

... levels of HO-1. Effects of HO-1 or HO-2 short interfering RNA (siRNA) on the expression of HO-1 To explore the functional significance of HO-1 and HO-2, we selectively reduced the expression of HO-1 or ... interference RNA-mediated gene silencing of human biliverdin reductase, but not that of heme oxygenase-1, attenuates arsenite-mediated induction of the oxygenase and increases apoptosis in 293A ... Induction of heme oxygenase by hemin in cultured pig alveolar macrophages. Arch Biochem Biophys 188, 243–250. 8 Shibahara S, Yoshida T & Kikuchi G (1979) Mechan- ism of increase of heme oxygenase...

Ngày tải lên: 19/02/2014, 05:20

... population of hemoglobin-positive cells. To the best of our knowledge, there has been no report on the promoter function of the human HO-2 Fig. 7. Characterization of the human heme oxygenase ... Char- acterization of two constitutive forms of rat liver microsomal heme oxygenase. Only one molecular spe- cies of the enzyme is inducible. J Biol Chem 261, 411–419. 5 Shibahara S (2003) The heme oxygenase ... DL, Ikeda-Saito M & Yoshida T (1995) Heme oxygenase-2. Properties of the heme complex of the purified tryptic fragment of recom- binant human heme oxygenase-2. J Biol Chem 270, 6345–6350. 8 McCoubrey...

Ngày tải lên: 19/02/2014, 06:20

... protein. Measurement of oxygen consumption Measurements of oxygen consumption were performed using an oxygen electrode (Clark electrode; Rank Brothers Ltd, Cambridge, UK). Oxygen consumption rates ... mitochondria in vitro. (A) Oxygen consumption was measured in the presence of 100 lgÆmL )1 of MDP after 1, 2, 4 and 6 h of incubation. The decrease in RCR is presented as a percentage of inhibition. (B) ... MB, is capable of inducing mitochondrial proton leak in the spleen and liver of injected mice. Moreover, it is of importance to note that the maximum in vivo effect of MDP and some of its derivatives...

Ngày tải lên: 05/03/2014, 23:20

... C ˇ eske ´ Bude ˇjovice; 3 Laboratory of Photosynthesis, Institute of Microbiology, Academy of Sciences of the Czech Republic, Tr ˇ ebon ˇ ; 4 Institute of Physical Biology, University of South Bohemia, C ˇ eske ´ Bude ˇjovice, Czech ... Frantis ˇ ek Va ´ cha 2,4 1 Faculty of Biological Sciences, University of South Bohemia, C ˇ eske ´ Bude ˇjovice; 2 Institute of Plant Molecular Biology, Academy of Sciences of the Czech Republic, C ˇ eske ´ Bude ˇjovice; 3 Laboratory ... U.K. (1970) Cleavage of structural proteins during the assembly of the head of b acteriophage T4. Nature 22 7, 680–685. 31. Ogawa, T. & Vernon, L.P. (1971) Increased content of cyto- chromes...

Ngày tải lên: 16/03/2014, 18:20

... 2002) Determination of intracellular reactive oxygen species as function of cell density. Methods Enzymol. 352, 91–100. 44. Zuo, L. & Clanton, T.L. (2002) Detection of reactive oxygen and nitrogen ... measurements of intracellular fluores- cence. Dead cells were excluded by electronically gating data on the basis of forward- vs. side-scatter profiles; a minimum of 1 · 10 4 cells of interest were ... protein )1 , with 1 unit of SOD activity being defined as the amount of proteins causing half-maximal inhibition o f the rate of NBT reduction. GST activity was assayed in the supernatant of cell lysates,...

Ngày tải lên: 16/03/2014, 18:20

... DA 830 signal remained stable during the first 4 h of strong light treatment of PSI submembrane fractions in the absence of active oxygen scavengers. It indicated an unchanged amount of photooxidizable P700 during this ... The occurrence of and properties of two different types of photoinactivation. Plant Cell Physiol 11, 29–38. 9 Satoh K & Fork DC (1982) Photoinhibition of reaction centers of photosystem I ... K (1996) Degradation of psaB gene product, the reaction center subunit of photosystem I, is caused during photoinhibition of phtosystem I: possible involvment of active oxygen species. Plant...

Ngày tải lên: 16/03/2014, 18:20

... during the last step of heme breakdown reaction [5]. There are two functional isozymes of heme oxygenase, heme oxygenase-1 (HO-1) and heme oxygenase-2 (HO-2) [6,7]. Expression of HO-1 mRNA is increased ... level of HO-1 is reduced in those RPE cells under certain conditions, we a nalyzed the effects of i nterferon-c and hypoxia, each of which represses the expression of HO-1 mRNA in other types of ... Shibahara 1 1 Department of Molecular Biology and Applied Physiology, Tohoku University School of Medicine, Sendai; 2 Laboratory of Environmental Molecular Physiology, School of Life Science, Tokyo University of Pharmacy...

Ngày tải lên: 23/03/2014, 13:20

... bond partner of the carbonyl group of Gly139 is the amide group of Gly144, and the amide group of Gly143 is hydrogen-bonded to the distal ligand of the heme iron (the residue numbers of the three ... redox partner of Syn HO-1; the molecular size of f erredoxin is  10 kDa whereas the size of NADPH-cytochrome P450 reductase, a reducing partner of mammalian HO-1, is  77 kDa. A docking model of h eme–Syn ... iron of heme–Syn HO-1. Keywords: crystal structure; cyanobacterium; heme oxy- genase; light-harvesting pigment. Heme oxygenase (HO) catalyzes the oxygen- dependent cleavage of the porphyrin ring of...

Ngày tải lên: 23/03/2014, 13:20

... Department of Biology, Faculty of Science, Tokyo University of Science, Tokyo, Japan 2 Institute of Biological Science, University of Tsukuba, Japan 3 Department of Biology, Faculty of Science, ... to reduce CO 2 with an endless supply of reducing equiva- lents. The release of oxygen as the byproduct of the water-splitting reaction has not only created an oxygen atmosphere but also the ozone ... green algal and higher plant PsbQ, the presence of PsbQ in isola- ted PSII of E. gracilis has been confirmed recently [6]. The failure of cross-reaction of the thylakoid mem- branes from prasinophyte...

Ngày tải lên: 23/03/2014, 15:21

... because of the absence of the chloroplast transit peptide sequence). This material is available as part of the online article from http://www.blackwell-synergy.com A heme oxygenase-deficient mutant of ... additional genes [34]. Regulation of PsHO1 expression The expression of PsHO1 is moderately induced by light with an increase of approximately two-fold after 48 h of white light treatment. A moderate ... Streptococcus [45] all utilize an Arg residue to bind to one of the oxygen atoms of ascor- bate either via a salt bridge or, in the case of ascorbate peroxidase, hydrogen bonding. One other reported example,...

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