Spring 2005

12:00-1:00, Wednesdays

Room B180, Med Labs
Contact: garry-buettner@uiowa.edu Tel 319/335-6749

January 19
Presenter: Dr. Kyle Brown
Paper: Borras C, Esteve JM, Vina JR, et al. (2004) Glutathione regulates telomerase activity in 3T3 fibroblasts. JBC 279:34332-34335. <Link>

January 26
Presenter: Stephen Hummel
Paper: Sowell J, Frei B, and Stevens J. (2004) Vitamin C conjugates of genotoxic lipid peroxidation products: Structural characterization and detection in human plasma PNAS 101(52):17964-17969. <Link>

February 2
Presenter: Dr. Goswami
Paper: Humphries KM, Deal MS, and Taylor SS. (2005) Enhanced Dephosphorylation of cAMP-dependent Protein Kinase by Oxidation and Thiol Modification. JBC 280:2750-2758. <Link>

February 9
Presenter: Disha Dayal
Paper: Halvey PJ, Watson WH, Hansen JM, et al. (2005) Compartmental Oxidation of Thiol/Disulfide Redox Couples During Epidermal
Growth Factor Signaling. Biochem J.
This is a 20 page article, I will leave extra copies double sided for you in the basket. <Link>

February 16
Presenter: Presenter: Dr. Douglas Spitz
Paper: Gerald D, Berra E, Frapart YM, et al. (2004) JunD reduce tumor antiogenesis by protecting cells from oxidative stress. Cell 118:781-794. <Link>

February 23
Presenter: Michael Hitchler
Paper: Nishiyama Y, Allakhverdiev SI, Yamamoto H, et al. (2004) Singlet Oxygen
Inhibits the Repair of Photosystem II by Suppressing the Translation Elongation of the D1 Protein in Synechocystis sp. PCC 6803. Biochemistry 43(35):11321–11330. <Link>

March 2
Presenter: Kelly Andringa
Paper: Cocco T, Sgobbo P, Clemente M, et al. (2005) Tissue-specific changes of
mitochondrial functions in aged rats: Effect of a long-term dietary treatment with N-acetylcysteine. FRBM <Link>

March 9
Presenter: Christine Weydert
Paper: Yildirim A, Altinkaynak K, Aksoy H, et al. (2004) Plasma xanthine oxidase, superoxide dismutase and glutathione peroxidase activities and uric acid levels in severe and mild pre-eclampsia. Cell Biochemistry and Function 22(4):213-217. <Link>

March 16
Presenter: No Class, Spring Break

March 23
Presenter: Changbin Du
Paper: Wenk J, Schuller J, Hinrichs C, et al. (2004) Overexpression of Phospholipid-hydroperoxide Glutathione Peroxidase in Human Dermal Fibroblasts Abrogates UVA Irradiation-induced Expression of Interstitial Collagenase/Matrix Metalloproteinase-1 by Suppression of Phosphatidylcholine Hydroperoxide-mediated NFB Activation and Interleukin-6 Release. 279(44): 45634-45642. <Link>

March 30
Presenter: Dr. Douglas Spitz
Paper: Kamata H, Honda S-I, Maeda S, et al. (2005) Reactive oxygen species promote TNFa-Induced death and sustained JNK activation by inhibiting MAP kinase phosphatases. Cell 120(5):649-661. <Link>

April 6
Presenter: Kim Krager
Paper: Riganti C, Miraglia E, Viarisio D, et al. (2005) Nitric Oxide Reverts the Resistance to Doxorubicin in Human Colon Cancer Cells by Inhibiting the Drug Efflux. Cancer Res. 65(2):516-525. <Link>

April 13
Presenter: Dr. Garry Buettner
Paper: Nalwaya N, Deen WM. (2005) Nitric oxide, oxygen, and superoxide formation and consumption in macrophage cultures. Chem Res Toxicol. 18(3):486-93. <Link>

April 20
Presenter: Visiting Scholar, Dr. Watcharee Attatippaholkun
Talk: “MnSOD polymorphisms and dietary antioxidants”

April 27
Presenter: Cancelled

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May 4
Presenter: Zhen Gao
Paper: Hachiya M, Akashi M. (2005) Catalase regulates cell growth in HL60 human promyelocytic cells: evidence for growth regulation by H(2)O(2). Radiat Res. 163(3):271-82. <Link>