The Effects of Niacin on DNA Repair after N-Methyl-N′-nitro-N-nitrosoguanidine Treatment in Normal Human Lymphocytes
1997
Ogata, Shin | Okumura, K. (Katsuzumi) | Taguchi, Hiroshi
We have investigated the effects of niacin on NAD levels and on DNA repair in human lymphocytes. When lymphocytes were incubated in culture medium with various concentrations of niacin, incubation of lymphocytes with nicotinic acid at 5 μg or nicotinamide at 10mM caused a 2–3 fold increase in NAD content. Under these conditions lymphocytes were treated with. N-methyl-N′-nitro-N-nitrosoguanidine (MNNG). Interestingly, the rejoining of DNA strand breaks was promoted by nicotinic acid but nicotinamide inhibited the rejoining.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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