glucose
pyruvate
ATP
ATPNADNADH
NAD
NA
PARP1
H+
H+
III
IIIIV
ADP ATPNAD
ADP
NADH
The role of PARP-1 in DNA-damage induced cell death(click here)
Genotoxic stress
PARP1
NMN
ATP
NMNAT
glucose
ATP
NADH
NAD
NA
PARP1
H+
H+
III
IIIIV
ADP ATP
NAD
ADP
NADH
PARP1
NMN
ATP
NMNAT
ATP
NAD
glucose
ATP
NADH
NAD
NA
PARP1
H+
H+
III
IIIIV
ADP ATP
NAD
ADP
NADH
PARP1
NMN
ATP
NMNAT
ATP
NAD
CELL NECROSIS