Ascorbate upregulates MLH 1 ( Mut L homologue-1 ) and p 73 : implications for the cellular response to DNA damage

*Biochemistry Laboratory, IDI-IRCCS, c/o Department of Experimental Medicine & Biochemical Sciences, University of Rome Tor Vergata, Via Tor Vergata 135, 00133 Rome, Italy, †Laboratory of Gene Expression, Fondazione A. Cesalpino, University of Rome La Sapienza, 00161 Rome, Italy, ‡Department of Experimental Medicine & Biochemical Sciences, University of Rome Tor Vergata, Via Tor Vergata 135, 00133 Rome, Italy, and §Department of Biology and the Cancer Center, University of California, La Jolla, CA 92093-90322, U.S.A.

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