na k atpase acts as a sodium potassium pump

Báo cáo Y học: High pressure-induced changes of biological membrane Study on the membrane-bound Na+/K+-ATPase as a model system pdf

Ngày tải lên : 24/03/2014, 00:21

... reaction was initiated by an addition of 50 ng of Na+ /K+ -ATPase Na+ -dependent ATPase activity was also measured using the coupled enzyme assay method as described above except that mM ATP-Tris and ... Na+ /K+ -ATPase, K+ -activated phosphatase, and Na+ -dependent ATPase at 0.1 MPa were 1240, 110, and 29 lmoláh)1ámg)1, respectively Na+ /K+ -ATPase activity was determined h later after the pressurization at ... MPa Na+ /K+ -ATPase activity showed little or no change in this pressure range, and the lower level of activity was maintained, while activities of Na+ -dependent ATPase and K+ -activated phosphatase...

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Báo cáo Y học: Na+/K+-ATPase as a signal transducer Zijian Xie and Amir Askari docx

Ngày tải lên : 24/03/2014, 00:21

... but also to the activation of p42/44 MAPK (also called ERK1/2) through the Ras/Raf/ MAPK kinase/MAPK cascade (where Raf is a MAPK kinase kinase and MEK is a MAPK kinase) [29,30] However, the activation ... Na+ /K+ -ATPase and other plasma membrane proteins [19] Changes in [Na+ ]i or [K+ ]i that are caused by means other than inhibition or activation of Na+ /K+ -ATPase are known to affect intracellular ... 8854 Yamamoto, K. , Ikeda, U., Seino, Y., Tsuruya, Y., Oguchi, A. , Okada, K. , Ishikawa, S.-e., Saito, T., Kawakami, K. , Hara, Y & Shimada, K (1993) Regulation of Na, K- adenosine triphosphatase gene...

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Báo cáo khoa học: The molecular chaperone a-crystallin incorporated into red cell ghosts protects membrane Na/K-ATPase against glycation and oxidative stress ppt

Ngày tải lên : 17/03/2014, 03:20

... 2003 Measurement of a- Crystallin protects Na/ K- ATPase in red cell ghosts (Eur J Biochem 270) 2607 86 Rb ﬂux while modifying Na/ K- ATPase The activity of Na/ K- ATPase was assessed by ouabainsensitive ... the ATP regenerating system was checked: ATP levels over h were measured, as were concentrations of Na+ and K+ Without the ATP regenerating system active transport via Na/ K- ATPase measured as ... inactivation by the heat shock protein a- crystallin Na/ K- ATPase activity decreased upon incubation with fructose, H2O2 and methylglyoxal However, Na/ K- ATPase activity was preserved when the heat...

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Báo cáo khoa học: No evidence for a role in signal-transduction of Na+/K+-ATPase interaction with putative endogenous ouabain potx

Ngày tải lên : 23/03/2014, 17:21

... signal-transduction by ouabain Fig Ouabain a nities to rat Na+ /K+ -ATPase isoforms and actual ouabain or OLF concentrations The ﬁgure summarizes the huge variation in ouabain a nities of Na+ /K+ -ATPase ... of Na+ /K+ -ATPase J Biol Chem 275, 27832–27837 10 Liu, J., Tian, J., Haas, M., Shapiro, J.I., Askari, A & Xie, Z (2000) Ouabain interaction with cardiac Na+ /K+ -ATPase initiates signal cascades independent ... homogenates In Na, KATPase and Related ATPases (Taniguchi, K & Kaya, S eds), pp 131–138 Elsevier, Amsterdam 27 Juhaszova, M & Blaustein, M.P (1997) Na+ pump low and high a nity a subunit isoforms are...

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Tài liệu Báo cáo khoa học: Mammalian Gup1, a homolog of Saccharomyces cerevisiae glycerol uptake/transporter 1, acts as a negative regulator for N-terminal palmitoylation of Sonic hedgehog doc

Ngày tải lên : 18/02/2014, 16:20

... 5¢-CACACTACACTGGGAAGCAGAGACTCCAGC-3¢ and 5¢-AGCTGGCCCAGCAGCCATACACAGTTAAAG3¢ The cDNA was subcloned into the EcoRV site of pBluescript SK(+) (Stratagene, La Jolla, CA, USA) and sequenced using an automated ... buffer, and the eluted samples were subjected to western blot analysis as described above The authors thank Drs Masato Yasui, Sadakazu Aiso and Masaaki Matsuoka for support; Dr Andrew P McMahon ... 5¢-AA GCTTCCGGAGGCTGCTAGAGAC-3¢ and 5¢-GGATC CAAGAACTGTGTATGTCTG-3¢ The 1.6-kbp fulllength Skn cDNA, whose termination codon was changed to a BamHI site, was inserted between the SalI and the BamHI...

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Tài liệu Báo cáo khoa học: The phosphatase activity of the isolated H4-H5 loop of Na+/K+ ATPase resides outside its ATP binding site docx

Ngày tải lên : 19/02/2014, 16:20

... energy transduction in Na+ /K+ -ATPase In Na/ K- ATPase and Related ATPases (Taniguchi, K & Kaya, S., eds), pp 349356 Elsevier Science, Amsterdam 19 Toyoshima, C., Nakasako, M., Nomura, H & Ogawa, H ... p-nitrophenylphosphatase as a partial activity of Na+ /K+ ATPase was measured as described previously [17] Statistical analysis of the comparison of the phosphatase activities in truncated H4-H5 loop was carried ... sulfhydryl-reactive 8-thiocyano-ATP forming a mixed disulde bridge may inactivate Na+ /K+ ATPase [63] In the H4-H5 loop model of Na+ /K+ ATPase [20] obtained analogously to E1-Ca2+ ATPase [19], F548 is part...

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Báo cáo khoa học: The hyperﬂuidization of mammalian cell membranes acts as a signal to initiate the heat shock protein response pptx

Ngày tải lên : 07/03/2014, 12:20

... kinases such as Akt has been shown to increase HSF1 activity Enhanced Ras maturation by heat stress was associated with a heightened activation of extracellular signal-regulated kinase (ERK), a ... costimulation of phospholipases such as PLC and PLA2 by heat shock and the resultant release of lipid mediators could also enhance the subsequent membrane association and activation of protein kinase ... Luciferase activity was measured as described in [48] Statistical analysis All data are expressed as mean ± SD Student’s paired t-test (a ¼ 0.05) with the Bonferroni adjustment was used to compare...

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Báo cáo khoa học: Stimulation of p-nitrophenylphosphatase activity of Na+ ⁄ K+-ATPase by NaCl with oligomycin or ATP docx

Ngày tải lên : 07/03/2014, 16:20

... conformational variants of sarcoplasmic reticulum Ca2+ -ATPase molecules In Na ⁄ K- ATPase and Related ATPases (Taniguchi K & Kaya S, eds), pp 373–379 Elsevier, Amsterdam 683 Stimulation of pNPPase activity ... Taniguchi K, Kaya S, Abe K & Mardh S (2001) The oligomeric nature of Na ⁄ K- transport ATPase J Biochem (Tokyo) 129, 335–342 Abe K, Kaya S, Imagawa T & Taniguchi K (2002) Gastric H ⁄ K- ATPase liberates ... Stimulation of pNPPase activity of Na+ ⁄ K+ -ATPase H Homareda and M Ushimaru Yoshida H, Nagai K, Ohashi T & Nakagawa Y (1969) K+ -dependent phosphatase activity observed in the presence of both adenosine...

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Báo cáo khoa học: Coenzyme A affects ﬁreﬂy luciferase luminescence because it acts as a substrate and not as an allosteric effector pot

Ngày tải lên : 16/03/2014, 23:20

... H, Kawarabayasi Y, Kondo J, Abe T, Nishikawa K, Kimura S, Hashimoto T & Yamamoto T (1990) Structure and regulation of rat long-chain acylCoA synthetase J Biol Chem 265, 86818685 Goto T, Kubota ... rey luciferase and several ligases Pharmacol Ther 87, 91102 Nakamura M, Maki S, Amano Y, Ohkita Y, Niwa K, Hirano T, Ohmiya Y & Niwa H (2005) Firey luciferase exhibits bimodal action depending ... luciferyl-adenylate and the enzyme synthesis of luciferyl-CoA Chembiochem 5, 110115 Hosaka K, Mishina M, Tanaka T, Kamiryo T & Numa S (1979) Acyl-coenzyme A synthetase I from Candida lipolytica Purication,...

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Báo cáo khoa học: An antimicrobial peptide tachyplesin acts as a secondary secretagogue and ampliﬁes lipopolysaccharide-induced hemocyte exocytosis potx

Ngày tải lên : 30/03/2014, 20:20

... synthetic lipid A analogues and acidic phospholipids Eur J Biochem 176, 89–94 21 Nakamura T, Furunaka H, Miyata T, Tokunaga F, Muta T & Iwanaga S (1988) Tachyplesin, a class of antimicrobial peptide ... Nagayama R, Hirata M, Shigenaga T, Agarwala KL, Saito T, Cho J, Nakajima H, Takagi T & Iwanaga S (1996) Tachycitin, a small granular component in horseshoe crab hemocytes, is an antimicrobial protein ... phytopathogenic bacteria Erwinia carotovora infects Drosophila and activates an immune response Proc Natl Acad Sci USA 97, 3376–3381 Hirai Y, Kuwada M, Yasuhara T, Yoshida H & Nakajima T (1979) A...

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BÁO CÁO " ẢNH HƯỞNG CỦA ĐỘ MẶN THẤP LÊN ĐIỀU HÒA ÁP SUẤT THẨM THẤU + + VÀ HOẠT TÍNH MEN NA /K ATPASE Ở TÔM THẺ CHÂN TRẮNG (Litopenaeu s vannamei) " pptx

Ngày tải lên : 02/04/2014, 10:20

... Na Cl vào thể thải môi trường xác định, chế tiến hành khả thấm nước bề mặt + + thể tham gia vài enzyme Na /K ATPase mang tuyến râu hàm (antenal gland) giáp xác Hoạt tính men Na+ /K+ ATPase mang ... McIntosh, A. L Lawrence and P.M Van Wyk 2002 Review of some recent developments in sustainable shrimp farming practices in Texas, Arizona and Florida J.Appl Aquac 12 (1):1-42 Samocha T.M., A. L Lawrence ... (eds.) Comparative Physiology 6:14-27 Kager, Basel, Switzeland Mantel LH and L Farmer 1983 Osmotic and ionic regulation, In: Mantel L (Ed.) The biology of crustacean, Vol Internal anatomy and physiological...

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Báo cáo nghiên cứu khoa học: " ẢNH HƯỞNG CỦA ĐỘ MẶN THẤP LÊN ĐIỀU HÒA ÁP SUẤT THẨM THẤU + + VÀ HOẠT TÍNH MEN NA /K ATPASE Ở TÔM THẺ CHÂN TRẮNG (Litopenaeu svannamei)" ppsx

Ngày tải lên : 22/07/2014, 11:21

... Na Cl vào thể thải môi trường xác định, chế tiến hành khả thấm nước bề mặt + + thể tham gia vài enzyme Na /K ATPase mang tuyến râu hàm (antenal gland) giáp xác Hoạt tính men Na+ /K+ ATPase mang ... McIntosh, A. L Lawrence and P.M Van Wyk 2002 Review of some recent developments in sustainable shrimp farming practices in Texas, Arizona and Florida J.Appl Aquac 12 (1):1-42 Samocha T.M., A. L Lawrence ... (eds.) Comparative Physiology 6:14-27 Kager, Basel, Switzeland Mantel LH and L Farmer 1983 Osmotic and ionic regulation, In: Mantel L (Ed.) The biology of crustacean, Vol Internal anatomy and physiological...

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Báo cáo khoa học: " A geminiviral amplicon (VA) derived from Tomato leaf curl virus (ToLCV) can replicate in a wide variety of plant species and also acts as a VIGS vector" pps

Ngày tải lên : 12/08/2014, 04:20

... plants like tomato, tobacco (Nicotiana xanthii), Arabidopsis thaliana and rice (Oryza sativa, variety Pusa Basmati) We also show that the mutation in either AC2 or AC4 gene, present within VA, ... 5'-ACGGATCCGTTCTAGAATCGATTAAGGATCTGG-3', and Reverse: 5'-GGGGATCCCCATTAGC TTCATCTCAAAATCAG-3' The primers were designed based on the sequence of PCNA of tomato [GenBank:AJ515747] The amplified fragment was ... tobacco leaves as above and size fractionated by the addition of 5% PEG, 0.5 M NaCl followed by centrifugation Small RNA was precipitated by adding volumes of ethanol to the supernatant as obtained...

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Na+, k+ ATPase in single skeletal muscle fibres and the effects of ageing, training and inactivity

Ngày tải lên : 04/12/2015, 13:59

... K+ -ATPase/ NKA Sodium, potassium adenosine 5´triphosphatase Na- EGTA Sodium- ethylene glycol tetraacetic acid PGC1-α Peroxisome proliferator-activated receptor gamma coactivated PKA Protein kinase A PKC ... in healthy young adults……………………… 39 Table 2.2 Factors which stimulate skeletal muscle Na+ , K+ -ATPase activity……………… 44 Table 2.3 Exercise performance and skeletal muscle Na+ , K+ -ATPase adaptations ... which has been shown to lead to a reduction of force (Clausen, 201 3a) In skeletal muscle the sodiumpotassium pump (Na+ ,K+ -ATPase or NKA) is a P-type ATPase and is responsible for the active transport...

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báo cáo hóa học: " Methyl salicylate 2-O-b-D-lactoside, a novel salicylic acid analogue, acts as an antiinflammatory agent on microglia and astrocytes" docx

Ngày tải lên : 19/06/2014, 22:20

... C, Mollica A, Iannitelli DAE, Cataldi A, Zara S, Nasuti C, Di Stefano A: Ibuprofen and Glutathione Conjugate as a Potential Therapeutic Agent for Treating Alzheimer’s Disease Arch Pharm (Weinheim) ... Thomas T, Nadackal TG, Thomas K: Aspirin and non-steroidal antiinflammatory drugs inhibit amyloid-beta aggregation Neuroreport 2001, 12:3263-3267 18 Cornelius C, Fastbom J, Winblad B, Viitanen ... Neuroinflammation, represented by activated microglia and astrocytes, is a prominent pathological feature that contributes to neurodegeneration in AD In AD brain, activated microglia release a variety...

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Báo cáo khoa học: " Tolérance au chlorure de sodium et sélectivité Na/K chez 3 races géographiques de pin maritime" docx

Ngày tải lên : 08/08/2014, 19:21

... potassium La provenance marocaine montre un autres provenances : i) les concentrations en Na dans les racines sont inférieures d’environ 60 méq/l eau aux concentrations racinaires des provenances ... significative + plus de Na vers les parties a riennes (fig 3) En revanche, on a constaté une augmentation de biomasse racinaire (fig 1),et le calcul des quantités d’eau racinaire par plante donne ... ce cation dans la biomasse (ou plus exactement dans l’eau des tissus) Les plantes d’origine marocaine ne présentent pas une capacité moindre d’absorption du Na, et elles n’évacuent pas de manière...

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Báo cáo y học: " Sodium valproate as a cause of recurrent transudative pleural effusion: a case report" docx

Ngày tải lên : 11/08/2014, 19:21

... percussion at the middle and lower part of the right hemithorax as well as decreased breath sounds The rest of the clinical examination was unremarkable Standard laboratory studies demonstrated mild anemia ... and atypical infectious agents, disclosed no apparent pathologies HIV tests were also negative Serum protein electrophoresis was also normal The echocardiography examination was normal Contrast-enhanced ... from gabapentin to sodium valproate again A month later, he was readmitted to our hospital because of dyspnea, fever, mild anemia with elevated CRP on laboratory tests and a right-sided pleural...

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Báo cáo y học: " A formylpeptide receptor, FPRL1, acts as an efficient coreceptor for primary isolates of human immunodeficiency virus" docx

Ngày tải lên : 13/08/2014, 05:21

... T, Nakajima T, Koyanagi Y, Tachibana K, Fujii N, Tamamura H, Yoshida N, Waki M, Matsumoto A, Yoshie O, Kishimoto T, Yamamoto N, Nagasawa T: A small molecule CXCR4 inhibitor that blocks T cell ... mRNA Total RNA was isolated from human cells using an RNA extraction kit, SepaGene (Sanko-Junyaku Inc., Tokyo, Japan), in accordance with the manufacturer's protocol cDNA for the total cellular ... Miwa M, Shimoyama M, Minato K, Tobinai K, Hirose M, Watanabe S, Inada N, Kinoshita K, Kamihira S, Ichimaru M, Sugimura T: Establishment and characterization of 10 cell lines derived from patients...

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Báo cáo y học: "Donnan effect on chloride ion distribution as a determinant of body fluid composition that allows action potentials to spread via fast sodium channels" pot

Ngày tải lên : 13/08/2014, 16:20

... stabilization of the resting potential is independent of sodium and potassium concentration gradients and this independence of sodium pumping can make it act as an important safety feature against ... A1 : Fast voltage gated sodium channels require a stable -80 mV resting membrane potential A2 : low for Na+ A3 : hig h for K+ A4 : High Cl- permeability dampens small changes in membrane potential, ... membrane potential less negative than -80 mV, and this would leave sodium channels inactive after repolarization INDIVIDUAL EXCITABLE CELL HOMEOSTASIS Spreading of action potential Membrane permeability...

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Báo cáo y học: "Martial arts as a mental health intervention for children? Evidence from the ECLS-K" doc

Ngày tải lên : 13/08/2014, 18:21

... participation in martial arts as opposed to stable participation over years Association of martial arts with change in behavior Tables and present the means and standard deviations for behavior at each ... Unweighted White, not Hispanic Black Hispanic, race specified Hispanic, race not specified Asian Hawaiian or Pacific Islander American Indian or Alaska native More than one race 66.8% 11.5% 7.5% 8.1% ... that particular analysis Thus the sample sizes, and the samples, differ between the two analyses Measures Participation in martial arts was measured through several questions in a structured, face...

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