Zhang H - Search Results

1

Bicarbonate enhances peroxidase activity of Cu,Zn-superoxide dismutase. Role of carbonate anion radical and scavenging of carbonate anion radical by metalloporphyrin antioxidant enzyme mimetics.

Zhang H, Joseph J, Gurney M, Becker D, Kalyanaraman B. Zhang H, et al. J Biol Chem. 2002 Jan 11;277(2):1013-20. doi: 10.1074/jbc.M108585200. Epub 2001 Oct 26. J Biol Chem. 2002. PMID: 11682485 Free article.

2

Transmembrane nitration of hydrophobic tyrosyl peptides. Localization, characterization, mechanism of nitration, and biological implications.

Zhang H, Bhargava K, Keszler A, Feix J, Hogg N, Joseph J, Kalyanaraman B. Zhang H, et al. J Biol Chem. 2003 Mar 14;278(11):8969-78. doi: 10.1074/jbc.M211561200. Epub 2003 Jan 7. J Biol Chem. 2003. PMID: 12519728 Free article.

We have shown previously that peroxynitrite-induced nitration of a hydrophobic tyrosyl probe is greater than that of tyrosine in the aqueous phase (Zhang, H., Joseph, J., Feix, J., Hogg, N., and Kalyanaraman, B. (2001) Biochemistry 40, 7675-7686). ...A mechanism inv …

We have shown previously that peroxynitrite-induced nitration of a hydrophobic tyrosyl probe is greater than that of tyrosine in the aqueous …

3

Bicarbonate-dependent peroxidase activity of human Cu,Zn-superoxide dismutase induces covalent aggregation of protein: intermediacy of tryptophan-derived oxidation products.

Zhang H, Andrekopoulos C, Joseph J, Chandran K, Karoui H, Crow JP, Kalyanaraman B. Zhang H, et al. J Biol Chem. 2003 Jun 27;278(26):24078-89. doi: 10.1074/jbc.M302051200. Epub 2003 Apr 9. J Biol Chem. 2003. PMID: 12686560 Free article.

4

Bicarbonate enhances alpha-synuclein oligomerization and nitration: intermediacy of carbonate radical anion and nitrogen dioxide radical.

Andrekopoulos C, Zhang H, Joseph J, Kalivendi S, Kalyanaraman B. Andrekopoulos C, et al. Among authors: zhang h. Biochem J. 2004 Mar 1;378(Pt 2):435-47. doi: 10.1042/BJ20031466. Biochem J. 2004. PMID: 14640973 Free PMC article.

5

Direct probing of copper active site and free radical formed during bicarbonate-dependent peroxidase activity of bovine and human copper, zinc-superoxide dismutases. Low-temperature electron paramagnetic resonance and electron nuclear double resonance studies.

Karunakaran C, Zhang H, Crow JP, Antholine WE, Kalyanaraman B. Karunakaran C, et al. Among authors: zhang h. J Biol Chem. 2004 Jul 30;279(31):32534-40. doi: 10.1074/jbc.M314272200. Epub 2004 Apr 30. J Biol Chem. 2004. PMID: 15123612 Free article.

6

The carbonate radical anion-induced covalent aggregation of human copper, zinc superoxide dismutase, and alpha-synuclein: intermediacy of tryptophan- and tyrosine-derived oxidation products.

Zhang H, Andrekopoulos C, Joseph J, Crow J, Kalyanaraman B. Zhang H, et al. Free Radic Biol Med. 2004 Jun 1;36(11):1355-65. doi: 10.1016/j.freeradbiomed.2004.02.038. Free Radic Biol Med. 2004. PMID: 15135171 Review.

7

Mass spectral evidence for carbonate-anion-radical-induced posttranslational modification of tryptophan to kynurenine in human Cu, Zn superoxide dismutase.

Zhang H, Joseph J, Crow J, Kalyanaraman B. Zhang H, et al. Free Radic Biol Med. 2004 Dec 15;37(12):2018-26. doi: 10.1016/j.freeradbiomed.2004.08.026. Free Radic Biol Med. 2004. PMID: 15544920

8

Thiol oxidase activity of copper, zinc superoxide dismutase stimulates bicarbonate-dependent peroxidase activity via formation of a carbonate radical.

Karunakaran C, Zhang H, Joseph J, Antholine WE, Kalyanaraman B. Karunakaran C, et al. Among authors: zhang h. Chem Res Toxicol. 2005 Mar;18(3):494-500. doi: 10.1021/tx049747j. Chem Res Toxicol. 2005. PMID: 15777089

9

Intramolecular electron transfer between tyrosyl radical and cysteine residue inhibits tyrosine nitration and induces thiyl radical formation in model peptides treated with myeloperoxidase, H2O2, and NO2-: EPR SPIN trapping studies.

Zhang H, Xu Y, Joseph J, Kalyanaraman B. Zhang H, et al. J Biol Chem. 2005 Dec 9;280(49):40684-98. doi: 10.1074/jbc.M504503200. Epub 2005 Sep 21. J Biol Chem. 2005. PMID: 16176930 Free article.

10

Bicarbonate enhances the hydroxylation, nitration, and peroxidation reactions catalyzed by copper, zinc superoxide dismutase. Intermediacy of carbonate anion radical.

Zhang H, Joseph J, Felix C, Kalyanaraman B. Zhang H, et al. J Biol Chem. 2000 May 12;275(19):14038-45. doi: 10.1074/jbc.275.19.14038. J Biol Chem. 2000. PMID: 10799477 Free article.

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