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Proteintech calpain2
Calpain2, supplied by Proteintech, used in various techniques. Bioz Stars score: 96/100, based on 379 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/calpain2/Piezo1+(extracellular+domain)+Antibody/pmc13004862-362-52-71
Average 96 stars, based on 379 article reviews
calpain2 - by Bioz Stars, 2026-10
96/100 stars

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Article Title: Single-cell multiomics uncovers an endothelial mechanosensitive PIEZO1-IL-33 axis driving pulmonary fibrosis
Article Snippet: Protein concentration was determined with the BCA assay (beyotime, # P0010). .. 30–60 μg of protein was loaded per well on 4–20% SDS-PAGE gels (ACE, #ET15420LGel), transferred to ethanol-activated PVDF membranes (Thermo Fisher Scientific, #88518), blocked with 5% skim milk in TBST, and incubated overnight at 4 °C with primary antibodies diluted in TBST: IL-33 (R&D Systems, #AF3626, 1:1000), PIEZO1 (Proteintech, #15939-1-AP, 1:1 000), CALPAIN2 (Labome, #A03492, 1:1000), P-STAT3 (CST, #9134 s, 1:1000), STAT3 (Abcam, #ab68153, 1:2 000), P-STAT1 (CST, #9171, 1:1000), STAT1 (Proteintech, #10144-2-AP, 1:1000), GAPDH (Servicebio, #GB12002, 1:5000), β-actin (Proteintech, #66009-1, 1:5000), β-tubulin (CST, #2146, 1:5000). ..

Incubation:

Article Title: Single-cell multiomics uncovers an endothelial mechanosensitive PIEZO1-IL-33 axis driving pulmonary fibrosis
Article Snippet: Protein concentration was determined with the BCA assay (beyotime, # P0010). .. 30–60 μg of protein was loaded per well on 4–20% SDS-PAGE gels (ACE, #ET15420LGel), transferred to ethanol-activated PVDF membranes (Thermo Fisher Scientific, #88518), blocked with 5% skim milk in TBST, and incubated overnight at 4 °C with primary antibodies diluted in TBST: IL-33 (R&D Systems, #AF3626, 1:1000), PIEZO1 (Proteintech, #15939-1-AP, 1:1 000), CALPAIN2 (Labome, #A03492, 1:1000), P-STAT3 (CST, #9134 s, 1:1000), STAT3 (Abcam, #ab68153, 1:2 000), P-STAT1 (CST, #9171, 1:1000), STAT1 (Proteintech, #10144-2-AP, 1:1000), GAPDH (Servicebio, #GB12002, 1:5000), β-actin (Proteintech, #66009-1, 1:5000), β-tubulin (CST, #2146, 1:5000). ..

Article Title: Calpain2 but not calpain1 mediated by calpastatin following glutamate-induced regulated necrosis in rat retinal neurons.
Article Snippet: The purpose of this study is to investigate whether calpastatin (CAST) plays an important role in the regulated necrosis (RN) in rat retinal neurons under an excessive glutamate condition and furthermore to investigate whether this process is regulated by calapin1 and calpain2.. In the present study, glutamate triggered CAST inhibition, calpain2 activation and retinal neuronal RN after injury.. The application of CAST active peptide could provide protective effects against activated calpain2 mediated RN.

Article Title: CAPNS1/Dicer feedback loop facilitates glycolysis, proliferation, and metastasis in hepatocellular carcinoma cells by inhibiting the maturation of MicroRNA pool.
Article Snippet: .. Following adhesion, the cells were treated with 4% paraformaldehyde for 30 minutes to fix them, followed by a 15- minute blocking step with 5% BSA, and then incubated with primary antibodies, including calpain2 (1:80, cat no. 11472-1-AP, Proteintech, Wuhan, China) and Dicer (1:100, cat no. ab167444, Abcam, USA), overnight at 4°C. ..

Article Title: Mechanosensitive Piezo1 channels mediate renal fibrosis
Article Snippet: .. Western blotting was performed by electrophoresis and incubation with primary antibodies against fibronectin, α-SMA (ab5694, Abcam; BM0002, Boster; 14395-1-AP, Proteintech), collagen I (BA0325, Boster), calpain2 (11472-1-AP, Proteintech), E-cadherin (20874-1-AP, Proteintech), integrin β 1 (12594-1-AP, Proteintech), Piezo1 (15939-1-AP, Proteintech; 28511-1-AP, Proteintech), Smad2/3 (5678s, Cell Signaling Technology), p-Smad2/3 (8828, Cell Signaling Technology), p-FAK Tyr397 (sc-81593, Santa Cruz Biotechnology), talin1 (14168-1-AP, Proteintech), GAPDH (60004-1-Ig, Proteintech), and β-actin (66009-1-Ig, Proteintech), followed by the addition of horseradish peroxidase–labeled secondary antibodies goat anti–rabbit IgG (H+L) (catalog 31460, Thermo Fisher Scientific) and goat anti–mouse IgG (H+L) (catalog 31430, Thermo Fisher Scientific). .. The blots were visualized in an ECL detection system (catalog FD8020, FDbio), and densitometric analysis was performed using AlphaEase software.

Article Title: CAPNS1/Dicer feedback loop facilitates glycolysis, proliferation, and metastasis in hepatocellular carcinoma cells by inhibiting the maturation of MicroRNA pool
Article Snippet: .. Following adhesion, the cells were treated with 4% paraformaldehyde for 30 min to fix them, followed by a 15-minute blocking step with 5% BSA, and then incubated with primary antibodies, including calpain2 (1:80, cat no. 11472-1-AP, Proteintech, Wuhan, China) and Dicer (1:100, cat no. ab167444, Abcam, USA), overnight at 4 °C. ..

Blocking Assay:

Article Title: CAPNS1/Dicer feedback loop facilitates glycolysis, proliferation, and metastasis in hepatocellular carcinoma cells by inhibiting the maturation of MicroRNA pool.
Article Snippet: .. Following adhesion, the cells were treated with 4% paraformaldehyde for 30 minutes to fix them, followed by a 15- minute blocking step with 5% BSA, and then incubated with primary antibodies, including calpain2 (1:80, cat no. 11472-1-AP, Proteintech, Wuhan, China) and Dicer (1:100, cat no. ab167444, Abcam, USA), overnight at 4°C. ..

Article Title: CAPNS1/Dicer feedback loop facilitates glycolysis, proliferation, and metastasis in hepatocellular carcinoma cells by inhibiting the maturation of MicroRNA pool
Article Snippet: .. Following adhesion, the cells were treated with 4% paraformaldehyde for 30 min to fix them, followed by a 15-minute blocking step with 5% BSA, and then incubated with primary antibodies, including calpain2 (1:80, cat no. 11472-1-AP, Proteintech, Wuhan, China) and Dicer (1:100, cat no. ab167444, Abcam, USA), overnight at 4 °C. ..

Western Blot:

Article Title: Mechanosensitive Piezo1 channels mediate renal fibrosis
Article Snippet: .. Western blotting was performed by electrophoresis and incubation with primary antibodies against fibronectin, α-SMA (ab5694, Abcam; BM0002, Boster; 14395-1-AP, Proteintech), collagen I (BA0325, Boster), calpain2 (11472-1-AP, Proteintech), E-cadherin (20874-1-AP, Proteintech), integrin β 1 (12594-1-AP, Proteintech), Piezo1 (15939-1-AP, Proteintech; 28511-1-AP, Proteintech), Smad2/3 (5678s, Cell Signaling Technology), p-Smad2/3 (8828, Cell Signaling Technology), p-FAK Tyr397 (sc-81593, Santa Cruz Biotechnology), talin1 (14168-1-AP, Proteintech), GAPDH (60004-1-Ig, Proteintech), and β-actin (66009-1-Ig, Proteintech), followed by the addition of horseradish peroxidase–labeled secondary antibodies goat anti–rabbit IgG (H+L) (catalog 31460, Thermo Fisher Scientific) and goat anti–mouse IgG (H+L) (catalog 31430, Thermo Fisher Scientific). .. The blots were visualized in an ECL detection system (catalog FD8020, FDbio), and densitometric analysis was performed using AlphaEase software.

Electrophoresis:

Article Title: Mechanosensitive Piezo1 channels mediate renal fibrosis
Article Snippet: .. Western blotting was performed by electrophoresis and incubation with primary antibodies against fibronectin, α-SMA (ab5694, Abcam; BM0002, Boster; 14395-1-AP, Proteintech), collagen I (BA0325, Boster), calpain2 (11472-1-AP, Proteintech), E-cadherin (20874-1-AP, Proteintech), integrin β 1 (12594-1-AP, Proteintech), Piezo1 (15939-1-AP, Proteintech; 28511-1-AP, Proteintech), Smad2/3 (5678s, Cell Signaling Technology), p-Smad2/3 (8828, Cell Signaling Technology), p-FAK Tyr397 (sc-81593, Santa Cruz Biotechnology), talin1 (14168-1-AP, Proteintech), GAPDH (60004-1-Ig, Proteintech), and β-actin (66009-1-Ig, Proteintech), followed by the addition of horseradish peroxidase–labeled secondary antibodies goat anti–rabbit IgG (H+L) (catalog 31460, Thermo Fisher Scientific) and goat anti–mouse IgG (H+L) (catalog 31430, Thermo Fisher Scientific). .. The blots were visualized in an ECL detection system (catalog FD8020, FDbio), and densitometric analysis was performed using AlphaEase software.



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Image Search Results


Aβ25-35-induced calpain2, but not calpain1, mediates PKCδ-dependent p35 cleavage into p25, neuronal CCR, and caspase-3 cleavage. ( A ) Primary cortical neurons were transfected with Luc-shRNA or PKCδ-shRNA for 24 h, followed by exposure to 10 μM Aβ25-35 for an additional 8 h, before detection of calpain2. ( B - E ) Primary cortical neurons were transfected with Luc-shRNA or calpain2-shRNA (shCapn2) for 24 h, followed by exposure to 10 μM Aβ25-35 for an additional 8 h ( B – D ) or 24 h ( E ), before detection of calpain2 ( B ), p35/p25 ( C ), and cyclin D1 ( D ), as well as pro- and cleaved caspase-3 ( E ). ( F ) Primary cortical neurons were transfected with Luc-shRNA or PKCδ-shRNA for 24 h, followed by exposure to 10 μM Aβ25-35 for an additional 8 h, before detection of calpain1. ( G – J ) Primary cortical neurons were transfected with Luc-shRNA or calpain1-shRNA (shCapn1) for 24 h, followed by exposure to 10 μM Aβ25-35 for an additional 8 h ( G – I ) or 24 h ( J ), before detection of calpain1 ( G ), p35/p25 ( H ), and cyclin D1 ( I ), as well as pro and cleaved caspase 3 ( J ). β-Actin and α-tubulin served as the internal control for equal loading of proteins in each lane. Mean ± S.E.M. from N = 5 in ( A ), N = 4 in ( B , C ), N = 3 in ( D , E ), N = 4 in ( F ), and N = 3 in ( G - J ). *, #, and + all denote p < 0.05; “ns” denotes “not significant”.

Journal: International Journal of Molecular Sciences

Article Title: Protein Kinase C-Delta Mediates Cell Cycle Reentry and Apoptosis Induced by Amyloid-Beta Peptide in Post-Mitotic Cortical Neurons

doi: 10.3390/ijms25179626

Figure Lengend Snippet: Aβ25-35-induced calpain2, but not calpain1, mediates PKCδ-dependent p35 cleavage into p25, neuronal CCR, and caspase-3 cleavage. ( A ) Primary cortical neurons were transfected with Luc-shRNA or PKCδ-shRNA for 24 h, followed by exposure to 10 μM Aβ25-35 for an additional 8 h, before detection of calpain2. ( B - E ) Primary cortical neurons were transfected with Luc-shRNA or calpain2-shRNA (shCapn2) for 24 h, followed by exposure to 10 μM Aβ25-35 for an additional 8 h ( B – D ) or 24 h ( E ), before detection of calpain2 ( B ), p35/p25 ( C ), and cyclin D1 ( D ), as well as pro- and cleaved caspase-3 ( E ). ( F ) Primary cortical neurons were transfected with Luc-shRNA or PKCδ-shRNA for 24 h, followed by exposure to 10 μM Aβ25-35 for an additional 8 h, before detection of calpain1. ( G – J ) Primary cortical neurons were transfected with Luc-shRNA or calpain1-shRNA (shCapn1) for 24 h, followed by exposure to 10 μM Aβ25-35 for an additional 8 h ( G – I ) or 24 h ( J ), before detection of calpain1 ( G ), p35/p25 ( H ), and cyclin D1 ( I ), as well as pro and cleaved caspase 3 ( J ). β-Actin and α-tubulin served as the internal control for equal loading of proteins in each lane. Mean ± S.E.M. from N = 5 in ( A ), N = 4 in ( B , C ), N = 3 in ( D , E ), N = 4 in ( F ), and N = 3 in ( G - J ). *, #, and + all denote p < 0.05; “ns” denotes “not significant”.

Article Snippet: The rabbit antibodies against total caspase-3 (1:1000; Cat. No. 9662, Cell Signaling, Danvers, MA, USA), CDK5 (1:1000; Cat. No. ab40773; Abcam), p35/p25 (1:1000; Cat. No. 2680, Cell Signaling), and calpain2 (1:1000; Cat. No. 2539, Cell Signaling) as well as the mouse antibody against α-tubulin (1:5000; Cat. No. SI-T9026, Sigma-Aldrich) and β-actin (1:5000; Cat. No. MAB1501, Sigma-Aldrich) were all diluted in blocking buffer (5% nonfat dry milk in PBST buffer containing 0.05% Tween-20).

Techniques: Transfection, shRNA, Control

A diagram showing the proposed signal transduction pathway. In the fully differentiated post-mitotic neurons, Aβs trigger STAT3-dependent PKCδ induction to enhance calpain2-mediated cleavage of p35 into p25, with resultant CDK5 hyperactivation, thereby inducing aberrant CCR and expression of the pro-apoptotic PUMA as well as the cleaved caspase-3 to ultimately culminate in neuronal apoptosis.

Journal: International Journal of Molecular Sciences

Article Title: Protein Kinase C-Delta Mediates Cell Cycle Reentry and Apoptosis Induced by Amyloid-Beta Peptide in Post-Mitotic Cortical Neurons

doi: 10.3390/ijms25179626

Figure Lengend Snippet: A diagram showing the proposed signal transduction pathway. In the fully differentiated post-mitotic neurons, Aβs trigger STAT3-dependent PKCδ induction to enhance calpain2-mediated cleavage of p35 into p25, with resultant CDK5 hyperactivation, thereby inducing aberrant CCR and expression of the pro-apoptotic PUMA as well as the cleaved caspase-3 to ultimately culminate in neuronal apoptosis.

Article Snippet: The rabbit antibodies against total caspase-3 (1:1000; Cat. No. 9662, Cell Signaling, Danvers, MA, USA), CDK5 (1:1000; Cat. No. ab40773; Abcam), p35/p25 (1:1000; Cat. No. 2680, Cell Signaling), and calpain2 (1:1000; Cat. No. 2539, Cell Signaling) as well as the mouse antibody against α-tubulin (1:5000; Cat. No. SI-T9026, Sigma-Aldrich) and β-actin (1:5000; Cat. No. MAB1501, Sigma-Aldrich) were all diluted in blocking buffer (5% nonfat dry milk in PBST buffer containing 0.05% Tween-20).

Techniques: Transduction, Expressing