| Code | CSB-RA947028A0HU |
| Size | US$210 |
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| Application | Recommended Dilution |
|---|---|
| WB | 1:500-1:2000 |
| IF | 1:50-1:200 |
| FC | 1:50-1:200 |
CAPNS1, also known as calpain small subunit 1, serves as the essential regulatory component of the calpain protease system, forming obligate heterodimers with the catalytic large subunits calpain-1 and calpain-2. This calcium-activated neutral protease system plays fundamental roles in cytoskeletal remodeling, signal transduction, and cell cycle progression. Dysregulation of calpain activity has been implicated in numerous pathological conditions, including neurodegeneration, muscular dystrophy, and cancer progression, making CAPNS1 a compelling target for researchers investigating proteolytic signaling networks and disease mechanisms.
This recombinant rabbit monoclonal antibody, clone 9G3, offers the reproducibility and consistency that demanding research applications require. Generated against a synthetic peptide derived from human CAPNS1, the recombinant production method ensures sequence-defined specificity and eliminates the lot-to-lot variability that can compromise longitudinal studies. Affinity chromatography purification delivers a highly specific reagent suitable for quantitative analyses.
Validation studies demonstrate robust performance across multiple experimental platforms. Western blot analysis confirms specific detection of CAPNS1 at the predicted 28 kDa molecular weight across diverse human cell lines, including MCF-7, A431, PC-3, HeLa, U-251MG, and THP-1, providing confidence when working with breast cancer, epidermoid carcinoma, prostate cancer, cervical cancer, glioblastoma, or monocytic cell models. Immunofluorescence staining in A549 cells reveals clear subcellular localization patterns, while flow cytometry validation in HeLa cells demonstrates suitability for single-cell analysis workflows.
This antibody supports researchers investigating calpain-mediated proteolysis, calcium signaling pathways, and the mechanistic contributions of CAPNS1 to cellular homeostasis and disease pathogenesis.
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