Phosphates formation

Peltola, M., Jokinen, M., Rahiala, H., Levanen, E., Rosenholm, J.B., Kangasniemi, I. and Yli-Urpo, A. (1999) Calcium phosphate formation on porous sol-gel-derived Si02 and Ca0-P205-Si02 substrates in vitro. Journal of Biomedical Materials Research, 44, 12-21. 

Aldolase 4.1.2.3 Fructose-1,6-diphosphate Dihydroxyacetone phosphate Formation of a hydrazone... 

Under standard conditions, this reaction would be unfavourable but physiological conditions during recovery phase after exercise are such as to allow creatine phosphate formation to occur. 

UberaU, F., Oberhuber, H., Maly, K., Zaknun, J., Demuth, L., and Grunicke, H.H., 1991, Hexadecyl-phosphochotine inhibits inositol phosphate formation and protein kinase C activity. Cancer Res. 51 807-812... 

Many other signaling pathways are activated in response to SIP stimulation, depending on the specific cell type and the EDG receptors expressed (Pyne and Pyne, 2000). Examples include phospholipase C-catalysed inositol phosphates formation, mobilisation, translocation of... 

SIP induces hsp27 in AlO vascular smooth muscle cells and osteoblasts and amplifies inositol phosphates formation in response to vasopressin and prostaglandin F2c respectively (Kozawa et al, 1999a and b ... 

Alemany, R., Sichelschmidt, B., Meyer zu Heringdorf, D.M., Lass, H., Van Koppen, C.J. and Jakobs, K.H., 2000, Stimulation of sphingosine 1-phosphate formation by theP2Y2 receptor in HL-60 ceUs requirement and imphcation in receptor-mediated... 

The large and negative value for hexokinase indicates that this enzyme catalyses the reaction only in the direction of glucose 6-phosphate formation, i.e. it is a non-equilibrium reaction in vivo. In contrast, the low value for phosphoglucoisomerase indicates that it is a reaction that is close to equilibrium in vivo, that is, it can proceed in either direction. AG valnes for all the reactions of glycolysis indicate that those catalysed by hexokinase, phosphorylase, phos-phofractokinase and pyrnvate kinase are non-eqnilibrinm the others are near eqnilibrinm (Fignre 2.6). 

This pathway is variously known as the pentose phosphate, hexose monophosphate or phosphogluconate pathway, cycle or shunt. Although the pentose phosphate pathway achieves oxidation of glucose, this is not its function, as indicated by the distribution of the pathway in different tissues. Only one of the carbons is released as CO2, the key products are NADPH and ribose 5-phosphate, both of which are important for nucleotide phosphate formation and hence for synthesis of nucleic acids (Chapter 20). The... 

The percent inhibition was calculated according to the equation in Table II. As shown in Table II, the results indicated that when compared to the polyacrylic acid, copolymers of acrylic acid and N-(hydroxyalkyl)-acrylamide were quite effective in inhibiting calcium phosphate formation at the normal use dosage of 10 to 20 ppm. Among the three copolymers tested, acrylic acid/... 

Jurniak, J. J. Inouye, T. S. 1962. Some aspects of zinc and copper phosphate formation in aqueous systems. Soil Science Society of America Proceedings, 26, 144-147. 

Soderlund, E.J., Gordon, W.P, Nelson, S.D. Omichinski, J.G, Dybing, E. (1984) Metabolism in vitro of tris(2,3-dibromopropyl) phosphate Oxidative debromination and bis(2.3-dibromopropyl) phosphate formation as correlates of mutagenicity and covalent protein binding. Biochem. Pharmacol., 33, 4017-4023... 

Termine, J. D., Posner, A. S. Calcium phosphate formation in vitro. I. Factors affecting initial phase separation. Arch, Biochem. Biophys. 140, 307 (1970)... 

Murad, F., Brewer, H. B., Vaughn, M. Effect of thyreocalcitonin on adenosine 3 5 -cyclic phosphate formation by rat kidney and bone. Proc. Nat. Acad. Sci. (Wash.) 65, 446 (1970)... 

The two intermediates in the conversion of anthranilate to indole-3-glycerol phosphate, phosphoribosylan-thranilate and l -(O-carboxyphenylamino)-1 -deoxyribu-lose-5 phosphate, were originally postulated to account for the involvement of phosphoribosyl pyrophosphate in indole-3-glycerol phosphate formation. Support for the postulate was obtained when the dephosphorylated derivative of the second of these intermediates was found in the culture fluids of certain tryptophan-requiring bacterial mutants. The corresponding derivative of the first intermediate has not been found, probably because of its instability. Indeed, this compound, when formed in extracts, is rapidly broken down to anthranilate and ribose-5-phosphate. 

In the human gastric tumoral cell line HGT1, (R)a-methylhistamine has shown to inhibit in a nanomolar range basal and carbachol-stimulated inositol phosphate formation (Cherifi et al., 1992) This suggests the presence of H3 receptors on ECL and/or on parietal cells, that are coupled with phosphatidyl inositol turnover. 

The (P) L-edge XANES spectra of tribofilms and thermal films generated from the neutral di-isopropyl ZDDP along with the model compounds (zinc metaphosphate and zinc pyrophosphate) are very similar and compare well with model compounds. The surface may also play an important role in catalysis of the thermal decomposition and provide oxygen for phosphate formation. There is also... 

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