Zobrazeno 1 - 10 of 22 pro vyhledávání: '"Masuyuki Katsumata"'
1
A rapid assay for activity of phospholipase A2 using radioactive substrate
Autor: Masuyuki Katsumata, Chhanda Gupta, Allen S. Goldman
Publikováno v: Analytical Biochemistry. 154:676-681
A rapid method for the assay of phospholipase A2 has been developed using a radioactive substrate, l -α-dipalmitoyl-(2-[9,10(N)-3H]palmitoyl)-phosphatidylcholine. The substrate diluted with cold carrier (1 m m ) is dissolved in 80% ethanol containin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16e419ff70bfc798da3e33a1db4e81ce
https://doi.org/10.1016/0003-2697(86)90046-1
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3
Lipokinins: Novel Phospholipase A2 Activators Mediatetestosterone Effects on Embryonic Genitalia
Autor: Masuyuki Katsumata, Allen S. Goldman, Motoko P Goto
Publikováno v: Journal of Urology. 140:1184-1188
Testosterone-Treated Calf Thymocytes Produce Increased Amounts Of Proteins, Termed Lipokinins, That Stimulate Phospholipase A2 From Snake Venom And Mammalian Tissue. The Induction Of These Proteins By Testosterone Is Blocked By Cycloheximide And, Thu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1324f97afcebb249d4aed2d09346ad9f
https://doi.org/10.1016/s0022-5347(17)41996-3
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4
A Mathematical Analysis of the Substrate Effect Observed in 3β-Hydroxysteroid Dehydrogenase Reactions of Rat Testicular Microsomes
Autor: Masuyuki Katsumata, Allen S. Goldman
Publikováno v: The Journal of Biochemistry. 79:605-611
The substrate effect in enzyme reactions has been explained mostly in terms of an additional substrate binding site on the enzyme other than the catalytic site. A rate equation for the reaction is introduced according to the steady state mechanism as
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::554ac7e85ac8e0933d8aba7781ce74f5
https://doi.org/10.1093/oxfordjournals.jbchem.a131103
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5
Separation of multiple dihydrotestosterone receptors in rat ventral prostate by a novel micromethod of electro-focusing Blocking action of cyproterone acetate and uptake by nuclear chromatin
Autor: Masuyuki Katsumata, Allen S. Goldman
Publikováno v: Biochimica et Biophysica Acta (BBA) - Protein Structure. 359:112-129
Six dihydrotestosterone-binding proteins in rat ventral prostate nuclei and cytosol have been separated and identified by a microelectrofocusing procedure based on their isoelectric points: pI 3.7, α; 4.6, β; 5.6, γ; 6.7, δ; 7.8, e and 8.5, ζ. F
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2abd440af039d0a2d4c683e822f684ee
https://doi.org/10.1016/0005-2795(74)90137-8
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6
H-2 influences phenytoin binding and inhibition of prostaglandin synthesis
Autor: Masuyuki Katsumata, Chhanda Gupta, Allen S. Goldman
Publikováno v: Immunogenetics. 20:667-676
We have reported that susceptibility to glucocorticoid- and phenytoin-induced cleft palate and glucocorticoid receptor levels in mice are influenced by the H-2 histocompatibility complex on chromosome 17. Phenytoin competes with glucocorticoids for t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60e3488c602c2559818fcd46baf3748e
https://doi.org/10.1007/bf00430325
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7
Studies on substance of antibody-promoting factor
Autor: Eiichi Sakakibara, Toshikazu Seguchi, Nobesaba Inagaki, Yasuhiro Iinuma, Masuyuki Katsumata, Kazunari Hagiwara
Publikováno v: Nippon Saikingaku Zasshi. 14:868-872
This experiment was tried to extract and purify the substance which accerelatesboth the promotion and production of antibody and to determine its molecular structureAt first, according to the method reported in the previous report, a crude effective
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5f67fc232ec49840e3d81db9cb9674f
https://doi.org/10.3412/jsb.14.868
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8
Graphic representation of Botts-Morales equation for enzyme-substrate-modifier system
Autor: Masuyuki Katsumata
Publikováno v: Journal of Theoretical Biology. 36:327-338
A rate equation for enzyme-substrate-modifier systems has been introduced by Botts & Morales (1953) on the basis of the steady state mechanism. A graphic representation of the equation is attempted in this paper. Haldane's relation, k +1 k −2 k +3
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64436f4049284fd226c76d71cf3f4afb
https://doi.org/10.1016/0022-5193(72)90102-6
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9
Influence of enzyme activators and inhibitors, present in an enzyme preparation, on the relations between reaction rate and enzyme concentration
Autor: Masuyuki Katsumata
Publikováno v: Journal of Theoretical Biology. 24:294-306
The relation between the rate of enzymic reaction and the concentration of enzyme ( v vs. e relation) is theoretically discussed with enzyme preparations contaminated with an effector, which inhibits or activates the reaction. The v vs. e relation is
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7515876f9876d2db7e04173b57ec689d
https://doi.org/10.1016/s0022-5193(69)80054-8
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10
Rearrangement of the Ingraham-Makower equation for a two-substrate enzyme reaction for practical application
Autor: Masuyuki Katsumata
Publikováno v: Journal of Theoretical Biology. 17:108-120
A rate equation for two-substrate enzyme reaction has been proposed by Ingraham & Makower (1954), and by Dixon & Webb (1958). This paper attempts to rearrange the equation for the purpose of practical application. Both the double-reciprocal relation
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f507d9b29b6c16ed055a810651a2545c
https://doi.org/10.1016/0022-5193(67)90023-9
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