A positive correlation between ApoJ and Zn was also shown in the plasma of healthy old subjects and an increasing trend was observed post-supplementation.
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María Moreno-Villanueva (University of Konstanz, Germany) investigated the effect of ex-vivo Zn supplementation on DNA strand break repair, demonstrating that Zn has a highly significant, positive effect on DNA repair if baseline repair is low (perhaps due to Zn deficiency).