Company of caring people driven by a devotion
Founded by research scientists in 1999, Cell Signaling Technology (CST) is recognized globally as a leader in the development and production of highly validated antibodies, reagents, and assays, designed specifically for cell signaling research. With over 20 years of experience and innovation, CST’s products have become trusted tools, enabling groundbreaking discoveries across oncology, neuroscience, immunology, and cell biology.
CST’s comprehensive and rigorously validated product portfolio includes:
Monoclonal and Polyclonal Antibodies: Renowned for high specificity and reproducibility, with flagship lines such as PathScan®, XP®, and Alexa Fluor®-conjugated antibodies, trusted for critical applications like Western blot, immunohistochemistry (IHC), immunofluorescence (IF), and flow cytometry.
ELISA and Immunoassay Kits: Precision assays designed for quantitative detection of key biomarkers, including signaling proteins, cytokines, growth factors, and phosphorylated targets.
Detection & Labeling Reagents: High-sensitivity chemiluminescent, fluorescent, and enzymatic substrates, HRP-linked secondary antibodies, and reagents optimized for Western blotting, IHC, and multiplex assays.
Protein Modification and Phospho-specific Antibodies: Comprehensive antibody collections targeting phosphorylation, methylation, acetylation, ubiquitination, and other post-translational modifications essential in cellular signaling and epigenetic research.
Signal Pathway-focused Solutions: Specialized antibody kits and reagents covering critical pathways such as MAPK, PI3K/Akt, apoptosis, DNA damage response, and immune checkpoints, streamlining pathway-specific research.
Headquartered in Danvers, Massachusetts, CST maintains strict quality control standards, ensuring batch-to-batch consistency and reliable performance across their entire product range. CST products undergo rigorous validation by in-house scientists, providing researchers worldwide with dependable reagents that yield reproducible, publishable results.
Strongly committed to social responsibility, environmental sustainability, and ethical business practices, CST is dedicated to making a meaningful impact in science, society, and the environment. The company actively promotes sustainability through initiatives such as waste reduction, energy-efficient manufacturing, and community engagement.
Partnering with Cell Signaling Technology means accessing not only superior scientific tools but also the deep expertise and committed support of a company genuinely devoted to advancing research and discovery.