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p chk2  (Cell Signaling Technology Inc)


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    Structured Review

    Cell Signaling Technology Inc p chk2
    Knocking down SKA2-induced cell-cycle arrest and apoptosis through the SKA2/ROS/ATM axis in GC cell lines (A) Western blotting analysis of γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (B) Western blotting analysis of SKA2 overexpression in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2. (C) Western blotting analysis of KU-55933 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), PARP, Cleaved-Caspase3, JNK, p -JNK (Thr183/Tyr185), ATM, p -ATM (Ser1981), and SKA2. (D) Western blotting analysis of BML-277 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), and SKA2. (E) Western blotting analysis of P38, p-P38 (Thr180/Tyr182), ERK, p -ERK1/2 (Thr202/Tyr204), JNK, p -JNK (Thr183/Tyr185), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (F) Western blotting analysis of the rescue effect of SKA2 overexpression on MAPK pathway markers (ERK, p -ERK1/2, JNK, and p -JNK) in SNU638 and NUGC3 SKA2-knockdown cell lines. (G) Western blotting analysis of JNK-IN-8 treatment in SNU638 SKA2-knockdown cell lines using antibodies against PARP, cleaved-caspase3, JNK, p -JNK (Thr183/Tyr185), and SKA2. α-Tubulin was used as the internal control for all blots. Representative blotting images are shown from 3 independent experiments.
    P Chk2, supplied by Cell Signaling Technology Inc, used in various techniques. Bioz Stars score: 96/100, based on 545 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/phospho+chk2+thr68/Phospho-Chk2+(Thr68)+Rabbit+mAb/pmc12990383-20-0-2
    Average 96 stars, based on 545 article reviews
    p chk2 - by Bioz Stars, 2026-09
    96/100 stars

    Images

    1) Product Images from "SKA2 promotes gastric cancer progression by regulating glutathione metabolism"

    Article Title: SKA2 promotes gastric cancer progression by regulating glutathione metabolism

    Journal: iScience

    doi: 10.1016/j.isci.2026.115202

    Knocking down SKA2-induced cell-cycle arrest and apoptosis through the SKA2/ROS/ATM axis in GC cell lines (A) Western blotting analysis of γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (B) Western blotting analysis of SKA2 overexpression in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2. (C) Western blotting analysis of KU-55933 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), PARP, Cleaved-Caspase3, JNK, p -JNK (Thr183/Tyr185), ATM, p -ATM (Ser1981), and SKA2. (D) Western blotting analysis of BML-277 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), and SKA2. (E) Western blotting analysis of P38, p-P38 (Thr180/Tyr182), ERK, p -ERK1/2 (Thr202/Tyr204), JNK, p -JNK (Thr183/Tyr185), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (F) Western blotting analysis of the rescue effect of SKA2 overexpression on MAPK pathway markers (ERK, p -ERK1/2, JNK, and p -JNK) in SNU638 and NUGC3 SKA2-knockdown cell lines. (G) Western blotting analysis of JNK-IN-8 treatment in SNU638 SKA2-knockdown cell lines using antibodies against PARP, cleaved-caspase3, JNK, p -JNK (Thr183/Tyr185), and SKA2. α-Tubulin was used as the internal control for all blots. Representative blotting images are shown from 3 independent experiments.
    Figure Legend Snippet: Knocking down SKA2-induced cell-cycle arrest and apoptosis through the SKA2/ROS/ATM axis in GC cell lines (A) Western blotting analysis of γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (B) Western blotting analysis of SKA2 overexpression in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2. (C) Western blotting analysis of KU-55933 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), PARP, Cleaved-Caspase3, JNK, p -JNK (Thr183/Tyr185), ATM, p -ATM (Ser1981), and SKA2. (D) Western blotting analysis of BML-277 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), and SKA2. (E) Western blotting analysis of P38, p-P38 (Thr180/Tyr182), ERK, p -ERK1/2 (Thr202/Tyr204), JNK, p -JNK (Thr183/Tyr185), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (F) Western blotting analysis of the rescue effect of SKA2 overexpression on MAPK pathway markers (ERK, p -ERK1/2, JNK, and p -JNK) in SNU638 and NUGC3 SKA2-knockdown cell lines. (G) Western blotting analysis of JNK-IN-8 treatment in SNU638 SKA2-knockdown cell lines using antibodies against PARP, cleaved-caspase3, JNK, p -JNK (Thr183/Tyr185), and SKA2. α-Tubulin was used as the internal control for all blots. Representative blotting images are shown from 3 independent experiments.

    Techniques Used: Western Blot, Expressing, Knockdown, Over Expression, Control

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    Article Snippet: phospho-Chk2 (Thr68) , 1:500 , Cell Signaling Technology , #2197.

    Article Title: The fluoropyrimidine polymer CF10 synergizes with 5-ethynyl-2′-deoxyuridine by promoting telomere attrition and mitotic catastrophe
    Article Snippet: Proteins were separated by sodium dodecyl sulfate–polyacrylamide gel electrophoresis (SDS–PAGE) (Bio-Rad, Mini-PROTEAN TGX Gels, Cat. No. 4561086) and transferred on nitrocellulose membrane, 0.45 μm (Bio-Rad, Cat. No. 162-0113) using Bio-Rad Trans-Blot Turbo transfer system.

    Article Title: CF10 Displays Improved Synergy with Oxaliplatin in TP53 -Null and Wild-Type CRC Cells from Increased Top1cc and Replication Stress.
    Article Snippet: Equal amounts of protein (20–40 μg) were mixed with 2× Laemmli sample buffer containing β-mercaptoethanol, boiled at 95 ◦C for 10 min, separated by SDS-PAGE on a 10% polyacrylamide gel, and transferred to nitrocellulose membranes using a semi-dry BioRad Trans Blot Turbo system (Hercules, CA, USA, RRID: SCR_023156).

    Article Title: Adaptive regulation of dNTP homeostasis confers osimertinib resistance in EGFR mutant non-small cell lung carcinoma
    Article Snippet: Phospho-Chk1(ser345) (#133D3) and Phospho-Chk2 (Thr68) (#C13C1) were purchased from CST.

    Incubation:

    Article Title: Differential functions of human DNA polymerase delta with p12 variants during DNA replication and DNA damage response
    Article Snippet: The function of p12, the smallest subunit of human DNA polymerase delta (Pol), in DNA replication and DNA damage response (DDR) is poorly understood.. Due to the identification of two protein encoding p12 isoforms, the respective Pol variants may function differently; therefore, here we explored their cellular roles in genome maintenance. p12 isoform-1 level remains unchanged along with the catalytic subunit of Polδ throughout the cell cycle stages and upon DNA damage.. Cells with a low level of Polδ or p12-depleted Polδ exhibited a slower cell cycle progression, reduced proliferation rate, and higher susceptibility to genotoxic agents and PARP1 inhibitors.

    Article Title: Targeting miR-4653-3p/SLC25A51/SIRT3 axis to induce synthetic lethality in ARID1A-deficient colorectal cancer via blockade of DNA repair
    Article Snippet: The cell viability of ARID1A −/− / ARID1A +/+ for each miRNA was plotted with GraphPad Prism 8.0 sofware (GraphPad Software, La Jolla, CA). .. After that, 5% defatted milk was added to the blocked membrane for 2 h. Afterward, primary antibodies ARID1A (Cell Signaling Technology, #12354S, 1:1000 dilution), Cleaved-PARP (Cell Signaling Technology, #5625T, 1:1000 dilution) and Cleaved-caspase 3 antibodies (Cell Signaling Technology, #9661T, 1:1000 dilution), SLC25A51 antibody (Biorbyt, #356775, 1:1000 dilution), Phospho-ATM (Ser1981) (Cell Signaling Technology, #5883T, 1:1000 dilution), Phospho-ATR (Ser428) (Cell Signaling Technology, #2853T, 1:1000 dilution), Phospho-Chk1 (Ser345) (Cell Signaling Technology, #2348T, 1:1000 dilution), Phospho-Chk2 (Thr68) (Cell Signaling Technology, #2197T, 1:1000 dilution), ATM (Abcam, #ab199726, 1:2000 dilution), ATR (Proteintech, #19787-1-AP, 1:1000 dilution), Chk1 (Abcam, # ab40866, 1:10000 dilution), Chk2 (Abcam, #ab109413, 1:50000 dilution), Phospho-Histone H2A.X (Ser139) (Cell Signaling Technology, #9718T, 1:1000 dilution), SIRT3 (Abcam, #ab217319, 1:1000 dilution), SOD2 (Abmart, # T55977 , 1:1000 dilution), SOD2 (acetyl K68) (Abmart, #T510546, 1:1000 dilution), GAPDH (Beyotime, #AF0006, 1:1000 dilution) and alpha Tubulin (Abcam, #ab7291, 1:5000 dilution) were added to incubate membranes overnight at 4 °C, followed by secondary antibody incubation. .. Finally, bands were visualized using Immobilon ECL (Millipore, USA).

    Article Title: CF10 Displays Improved Synergy with Oxaliplatin in TP53 -Null and Wild-Type CRC Cells from Increased Top1cc and Replication Stress
    Article Snippet: Equal amounts of protein (20–40 μg) were mixed with 2× Laemmli sample buffer containing β-mercaptoethanol, boiled at 95 °C for 10 min, separated by SDS-PAGE on a 10% polyacrylamide gel, and transferred to nitrocellulose membranes using a semi-dry BioRad Trans Blot Turbo system (Hercules, CA, USA, RRID: SCR_023156). .. Nitrocellulose membranes were blocked with 5% non-fat dry milk in TBS-T for 1 h at room temperature, then incubated with primary antibodies against p53 (Cell Signaling, Cat. No. 2524, RRID: AB_331743), p21 (Cell Signaling, Cat. No. 2947, RRID: AB_823586), β-actin (Cell Signaling, Cat. No. 4970, RRID: AB_2223172), Phospho-Chk1 (Ser345) (133D3) (Cell Signaling Technology, Danvers, MA, USA, Cat. No. 2348, RRID: AB_331212), Phospho-Chk2 (Thr68) (Cell Signaling Technology Cat. No. 2197, RRID: AB_2080501), Chk1 (Cell Signaling Technology Cat# 37010, RRID: AB_3662851), Chk2 (Cell Signaling Technology Cat# 6334, RRID: AB_11178526), and Thymidylate Synthase (D5B3) (Cell Signaling Technology Cat# 9045, RRID: AB_2797693) diluted in TBS-T overnight at 4 °C. .. Following primary antibody incubation, membranes were washed three times with TBS-T and incubated with HRP-conjugated secondary (Cell Signaling Technology, Cat# 7074, RRID: AB_2099233) antibodies for 1 h at room temperature.

    Membrane:

    Article Title: Targeting miR-4653-3p/SLC25A51/SIRT3 axis to induce synthetic lethality in ARID1A-deficient colorectal cancer via blockade of DNA repair
    Article Snippet: The cell viability of ARID1A −/− / ARID1A +/+ for each miRNA was plotted with GraphPad Prism 8.0 sofware (GraphPad Software, La Jolla, CA). .. After that, 5% defatted milk was added to the blocked membrane for 2 h. Afterward, primary antibodies ARID1A (Cell Signaling Technology, #12354S, 1:1000 dilution), Cleaved-PARP (Cell Signaling Technology, #5625T, 1:1000 dilution) and Cleaved-caspase 3 antibodies (Cell Signaling Technology, #9661T, 1:1000 dilution), SLC25A51 antibody (Biorbyt, #356775, 1:1000 dilution), Phospho-ATM (Ser1981) (Cell Signaling Technology, #5883T, 1:1000 dilution), Phospho-ATR (Ser428) (Cell Signaling Technology, #2853T, 1:1000 dilution), Phospho-Chk1 (Ser345) (Cell Signaling Technology, #2348T, 1:1000 dilution), Phospho-Chk2 (Thr68) (Cell Signaling Technology, #2197T, 1:1000 dilution), ATM (Abcam, #ab199726, 1:2000 dilution), ATR (Proteintech, #19787-1-AP, 1:1000 dilution), Chk1 (Abcam, # ab40866, 1:10000 dilution), Chk2 (Abcam, #ab109413, 1:50000 dilution), Phospho-Histone H2A.X (Ser139) (Cell Signaling Technology, #9718T, 1:1000 dilution), SIRT3 (Abcam, #ab217319, 1:1000 dilution), SOD2 (Abmart, # T55977 , 1:1000 dilution), SOD2 (acetyl K68) (Abmart, #T510546, 1:1000 dilution), GAPDH (Beyotime, #AF0006, 1:1000 dilution) and alpha Tubulin (Abcam, #ab7291, 1:5000 dilution) were added to incubate membranes overnight at 4 °C, followed by secondary antibody incubation. .. Finally, bands were visualized using Immobilon ECL (Millipore, USA).



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    Image Search Results


    Knocking down SKA2-induced cell-cycle arrest and apoptosis through the SKA2/ROS/ATM axis in GC cell lines (A) Western blotting analysis of γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (B) Western blotting analysis of SKA2 overexpression in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2. (C) Western blotting analysis of KU-55933 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), PARP, Cleaved-Caspase3, JNK, p -JNK (Thr183/Tyr185), ATM, p -ATM (Ser1981), and SKA2. (D) Western blotting analysis of BML-277 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), and SKA2. (E) Western blotting analysis of P38, p-P38 (Thr180/Tyr182), ERK, p -ERK1/2 (Thr202/Tyr204), JNK, p -JNK (Thr183/Tyr185), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (F) Western blotting analysis of the rescue effect of SKA2 overexpression on MAPK pathway markers (ERK, p -ERK1/2, JNK, and p -JNK) in SNU638 and NUGC3 SKA2-knockdown cell lines. (G) Western blotting analysis of JNK-IN-8 treatment in SNU638 SKA2-knockdown cell lines using antibodies against PARP, cleaved-caspase3, JNK, p -JNK (Thr183/Tyr185), and SKA2. α-Tubulin was used as the internal control for all blots. Representative blotting images are shown from 3 independent experiments.

    Journal: iScience

    Article Title: SKA2 promotes gastric cancer progression by regulating glutathione metabolism

    doi: 10.1016/j.isci.2026.115202

    Figure Lengend Snippet: Knocking down SKA2-induced cell-cycle arrest and apoptosis through the SKA2/ROS/ATM axis in GC cell lines (A) Western blotting analysis of γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (B) Western blotting analysis of SKA2 overexpression in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against γ-H2AX (Ser139), ATM, p -ATM (Ser1981), p -Chk2 (Thr68), and SKA2. (C) Western blotting analysis of KU-55933 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), PARP, Cleaved-Caspase3, JNK, p -JNK (Thr183/Tyr185), ATM, p -ATM (Ser1981), and SKA2. (D) Western blotting analysis of BML-277 treatment in SNU638 and NUGC3 SKA2-knockdown cell lines using antibodies against cyclin D1, cyclin A2, cyclin B1, p -Chk2 (Thr68), and SKA2. (E) Western blotting analysis of P38, p-P38 (Thr180/Tyr182), ERK, p -ERK1/2 (Thr202/Tyr204), JNK, p -JNK (Thr183/Tyr185), and SKA2 expression in SNU638 and NUGC3 SKA2-knockdown cell lines. (F) Western blotting analysis of the rescue effect of SKA2 overexpression on MAPK pathway markers (ERK, p -ERK1/2, JNK, and p -JNK) in SNU638 and NUGC3 SKA2-knockdown cell lines. (G) Western blotting analysis of JNK-IN-8 treatment in SNU638 SKA2-knockdown cell lines using antibodies against PARP, cleaved-caspase3, JNK, p -JNK (Thr183/Tyr185), and SKA2. α-Tubulin was used as the internal control for all blots. Representative blotting images are shown from 3 independent experiments.

    Article Snippet: p-chk2 , Cell Signaling Technology , Cat# 2197; RRID: AB_2080501.

    Techniques: Western Blot, Expressing, Knockdown, Over Expression, Control