Cytokeratin 18/KRT18 Drug Discovery Landscape & Assay Solutions

Subtitle: Market Intelligence, Clinical Progress, and High-Purity Reagents for MASH/NASH and Oncology Biomarker Development.

TarMart Solution Ecosystem & Related Targets

Comprehensive reagent toolkit for KRT18 drug discovery and biomarker assay development. Select your modality below:

Component / Network Product Description Product Link
Antigen KRT18 Full-Length Recombinant Protein
High purity (>95%), Endotoxin <1EU/ug. Sequence Verified. E. coli or HEK293 expressed.
View KRT18 Products
Cleaved Antigen KRT18 Caspase-Cleaved Fragment (Asp396)
Truncated recombinant protein representing the M30 apoptotic neo-epitope. High purity (>95%).
View KRT18 Products
Gene Delivery KRT18 Promise-ORF / Lentivirus
Full-length ORF for stable cell lines to evaluate intracellular intermediate filament dynamics.
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Benchmark Ab Anti-KRT18 Recombinant Antibody (M30/M65 Biosimilars)
Recombinant positive control antibodies targeting the caspase-cleaved or total KRT18 epitopes.
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Validator KRT18 siRNA Set
For knockdown verification in epithelial tumor models and functional assays.
View KRT18 Products
Related Target A KRT8 (Keratin 8)
Primary dimerization partner of KRT18; critical for intermediate filament assembly and stability.
View KRT8 Products
Related Target B KRT19 (Keratin 19)
Co-expressed epithelial marker used in combination panel assays for carcinoma differentiation.
View KRT19 Products
Related Target C Caspase-3
The primary executioner protease responsible for cleaving KRT18 at Asp396 to generate the M30 biomarker.
View Caspase-3 Products
Critical Assay Challenge The TarMart Advantage (Technical Spec)
Differentiation of apoptotic (M30) vs. necrotic (M65) KRT18 pathways Precisely engineered full-length and caspase-cleaved (Asp396) recombinant protein fragments available with >95% purity.
Cross-reactivity with homologous keratins (e.g., KRT8, KRT19) Homolog panel proteins strictly verified by mass spectrometry and sequence alignment to ensure assay specificity.
Lack of standardized clinical assay calibrators Recombinant Clinical Benchmark Antibodies (M30 and M65 clones) included for reliable assay calibration.
Matrix interference in serum/plasma ELISA development Endotoxin-controlled, low-aggregation recombinant protein standards optimized for complex matrix recovery.

Live Cytokeratin 18/KRT18 R&D Tracker

Market data changes daily. Access the latest global pipeline status directly:

Global Clinical Landscape & Future Outlook

The clinical utility of Cytokeratin 18 (KRT18) is expanding rapidly, transitioning from a classic epithelial tumor biomarker to a critical pharmacodynamic (PD) and diagnostic endpoint in metabolic liver diseases. Specifically, in Metabolic Dysfunction-Associated Steatohepatitis (MASH/NASH), the FDA approval of thyroid hormone receptor-beta (THR-β) agonists and the clinical progression of FGF21 analogs have cemented caspase-cleaved KRT18 (M30) and total KRT18 (M65) as gold-standard non-invasive biomarkers for monitoring hepatocyte apoptosis and necrosis.

In oncology, KRT18 serves as a vital liquid biopsy marker for circulating tumor cells (CTCs) and treatment-induced cell death (apoptosis) in epithelial cancers, including breast, prostate, colorectal, and non-small cell lung cancer (NSCLC). As therapeutic modalities shift toward targeted therapies, antibody-drug conjugates (ADCs), and combination regimens, the demand for highly specific KRT18 quantitative assays has intensified to accurately track real-time drug efficacy and tissue toxicity.

Competitive Modality & Indication Snapshot

Modality Representative Players Key Indications Critical Assay Need (Why TarMart?)
MASH Therapeutics (Small Mol/Biologics) Madrigal, Akero, 89bio, Boehringer Ingelheim MASH / NASH, Liver Fibrosis Quantitative ELISA development (Requires highly stable full-length and cleaved KRT18 protein calibrators)
Oncology Diagnostics / CTC Assays Menarini Silicon Biosystems, Roche, Abbott Breast Cancer, Prostate Cancer, NSCLC Specific epitope recognition (Requires sequence-verified KRT18 and KRT8 proteins for cross-reactivity screening)
Toxicology & DILI Screening Major Pharma, CROs Drug-Induced Liver Injury (DILI) High-throughput multiplex assays (Requires endotoxin-controlled recombinant KRT18 and benchmark antibodies)