CRM1/XPO1 Drug Discovery Landscape & Assay Solutions

Market Intelligence, Clinical Progress, and High-Purity Reagents for Oncology and Targeted Therapy Development (Nuclear Export Inhibition).

TarMart Solution Ecosystem & Related Targets

Comprehensive reagent toolkit for XPO1 (Exportin-1) drug discovery. Select your modality below:

Component / Network Product Description Product Link
Antigen XPO1 (CRM1) Full-Length Recombinant Protein (WT, C528S, E571K mutants). High purity (>95%), Endotoxin <1EU/µg. Expressed in HEK293 or Baculovirus/Insect Cell systems for native conformation and binding studies. View XPO1 Products
Gene Delivery XPO1 Promise-ORF / Lentivirus. Full-length ORF for stable cell line generation. CMV promoter, Puromycin selection marker included. View XPO1 Products
Benchmark Ab Anti-XPO1 Monoclonal Antibody (Research Grade). Recombinant rabbit monoclonal for Western/IP/ICC validation. View XPO1 Products
Validator XPO1 siRNA Set (3 unique sequences). For knockdown and specificity verification in cellular assays. View XPO1 Products
Related Target: p53 Key tumor suppressor exported by XPO1. Functional nuclear export assay cargo. View p53 Products
Related Target: FOXO3 Nuclear transcription factor regulated by CRM1-mediated export; cell apoptosis pathway marker. View FOXO3 Products
Related Target: XPO4 Exportin 4 Recombinant Protein for selectivity/counter-screening against XPO1 paralogs. View XPO4 Products
Critical Assay Challenge The TarMart Advantage (Technical Spec)
Drug Resistance (C528S / E571K Hotspots) Site-specific mutant proteins (C528S, E571K) expressed in HEK293 or Baculovirus with >95% purity for binding screens and selectivity testing. Sequence verified, theoretical MW confirmed by Mass Spec.
Intracellular Target Conformation Baculovirus/Insect Cell Expressed to preserve complex folding and native state. Also available in HEK293 expression.
Selectivity vs. Other Exportins Homolog panel available: XPO4, XPO5, etc. for counter-screening to ensure specificity.
Validated Reagents & Controls Recombinant positive control antibodies and validated siRNA included for specificity checks and assay validation.

Live XPO1 R&D Tracker

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

Global Clinical Landscape & Future Outlook

The race for XPO1 therapeutics is intensifying, with major players shifting focus from early-generation SINEs (Selective Inhibitors of Nuclear Export) to next-generation small molecules with improved tolerability. As first-generation therapies reach the clinic, the next wave of R&D is targeting mutant-specific resistance and combination therapies with targeted biologics. First-generation SINEs like Selinexor have exhibited dose-limiting toxicities (e.g., thrombocytopenia, gastrointestinal effects), prompting development of second-generation inhibitors (e.g., Eltanexor) with better therapeutic windows. Resistance mutations such as C528S and E571K are being actively addressed through novel inhibitor designs, including non-covalent binders and PROTAC degraders.

Competitive Modality & Indication Snapshot

Modality Representative Players Key Indications Critical Assay Need (Why TarMart?)
Small Molecule (SINE) Karyopharm, Antengene Multiple Myeloma, DLBCL Selectivity Assay (Need Mutant vs WT Proteins)
Next-Gen Inhibitors Karyopharm Solid Tumors Binding Affinity (Need high-purity recombinant proteins)
PROTAC / Degrader Emerging Biotechs Refractory Cancers Degradation Assays (Need Stable Cell Lines)