Title : Dual role for poly(ADP-ribose)polymerase-1 and -2 and poly(ADP-ribose)glycohydrolase as DNA-repair and pro-apoptotic factors in rat germinal cells exposed to nitric oxide donors.

Pub. Date : 2004 May 28

PMID : 15158362






7 Functional Relationships(s)
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1 We describe the involvement of poly(ADP-ribose)polymerase 1 and 2 (PARP-1 and -2) and poly(ADP-ribose)glycohydrolase (PARG) in the response of rat germinal cells to the action of the NO donors, 3-morpholino-sydnonimine (SIN-1) and spermine nonoate (SNO). spermine nitric oxide complex poly (ADP-ribose) polymerase 1 Rattus norvegicus
2 We describe the involvement of poly(ADP-ribose)polymerase 1 and 2 (PARP-1 and -2) and poly(ADP-ribose)glycohydrolase (PARG) in the response of rat germinal cells to the action of the NO donors, 3-morpholino-sydnonimine (SIN-1) and spermine nonoate (SNO). spermine nitric oxide complex poly (ADP-ribose) polymerase 1 Rattus norvegicus
3 We describe the involvement of poly(ADP-ribose)polymerase 1 and 2 (PARP-1 and -2) and poly(ADP-ribose)glycohydrolase (PARG) in the response of rat germinal cells to the action of the NO donors, 3-morpholino-sydnonimine (SIN-1) and spermine nonoate (SNO). spermine nitric oxide complex poly (ADP-ribose) polymerase 1 Rattus norvegicus
4 We describe the involvement of poly(ADP-ribose)polymerase 1 and 2 (PARP-1 and -2) and poly(ADP-ribose)glycohydrolase (PARG) in the response of rat germinal cells to the action of the NO donors, 3-morpholino-sydnonimine (SIN-1) and spermine nonoate (SNO). spermine nitric oxide complex poly (ADP-ribose) polymerase 1 Rattus norvegicus
5 Consistent with the DNA repair seen in primary spermatocytes, both SIN-1 and SNO induced PARPs activation in these cells. spermine nitric oxide complex poly (ADP-ribose) polymerase 1 Rattus norvegicus
6 In the case of SIN-1, there was an immediate but transient response while SNO induced a delayed but more sustained increase in PARPs activity. spermine nitric oxide complex poly (ADP-ribose) polymerase 1 Rattus norvegicus
7 Chronic exposure of spermatocytes to SIN-1 and SNO, however, committed the cells to apoptosis, which coincided with proteolysis of PARP-1. spermine nitric oxide complex poly (ADP-ribose) polymerase 1 Rattus norvegicus