Which arrestin is required for activation of phosphorylation of MDM2 during chronic Iso stimulation? use the following Figures 1and 2 respectively to explain please
Which arrestin is required for activation of phosphorylation of MDM2 during chronic Iso stimulation? use the following Figures 1and 2 respectively to explain please
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Which arrestin is required for activation of phosphorylation of MDM2 during chronic Iso stimulation?
use the following Figures 1and 2 respectively to explain please

Transcribed Image Text:a
IP:
b
IgG ARRB1
GST
WB:p53
WB:ARRB1
GST-ARRB1
WB:GST
WB:p53
GST-
ARRB1
GST
Nucleus
ARRB1
Iso
ARRB1
IP:MDM2
+
p53
Merged
WB:p53
WB:MDM2
IP:MDM2
Lysate
Iso
IP:MDM2
Lysate
IP:MDM2
Lysate
pcDNA
Arrb1
WB:p53
Arrb1-
Q394L
WB:p53
WB:p53
WB:MDM2
WB:ARRB1
WT
Arrb1-1-

Transcribed Image Text:y-H2AX (arbitrary units)
2.5
2.0
1.5
1.0
0.5.
0
DNA damage
Mouse thymus
Iso
LY294002-
Nucleus
P = 0.015
p53 protein levels (arbitrary units)
+
1.2
1.0-
p53 levels
0.8-
0.6-
0.4-
WB:y-H2AX
WB:histone
0.2-
0
f
WB:p53
WB:histone
WB:LDH
Saline
Iso
P = 0.023
b
Iso
LMB
1 2 3
WT
Nucleus
Iso
ICI
Nucleus
Iso
ICI
WB:p53
WB:B-tubulin
+
+
+
-
+
+
H-89
+
Ns Iso Iso Ns Iso Ns Iso
WB:p53
WB:FOXO3a
WB:p53
WB:histone
WB:LDH
4 5 6 7
Arrb1-- Arrb2-/-
WB:p-MDM2
(Ser 166)
WB:MDM2
WB:p-MDM2
(Ser 166)
WB:MDM2
Figure 1 Chronic catecholamine stimulation leads to p53 degradation and
accumulation of DNA damage via ARRB1/AKT-mediated activation of
MDM2. a, Isoproterenol infusion leads to accumulation of DNA damage and
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