RHOA Drug Discovery Landscape & Assay Solutions

Market Intelligence, Clinical Progress, and High-Purity Reagents for Diffuse Gastric Cancer, Metastasis Inhibition, and Related Indications Development.

TarMart Solution Ecosystem & Related Targets

Comprehensive reagent toolkit for RHOA drug discovery. Select your modality below:

Component / Network Product Description Product Link
Antigen RHOA WT & Mutant Proteins (Q63L, T19N, Y42C)
High purity (>95%), Endotoxin <1EU/μg. Sequence Verified. Theoretical MW confirmed.
View RHOA Products
Gene Delivery RHOA Lentivirus Premade Particles
Full-length ORF for stable overexpression or mutant cell line construction. HEK293 Expressed.
View RHOA Products
Benchmark Ab Anti-RHOA (Clone for IP/ICC)
Recombinant positive control. Sequence Verified.
View RHOA Products
Validator RHOA siRNA Set (3 unique sequences)
For knockdown verification and specificity controls.
View RHOA Products
Related Target: RHOB Critical for selectivity profiling; off-target safety assessment for Rho family inhibitors. View RHOB Products
Related Target: RHOC Metastasis driver in solid tumors; orthogonal validation for invasion assays. View RHOC Products
Related Target: ARHGEF1 Upstream GEF (Guanine nucleotide Exchange Factor); alternative druggable node for RHOA pathway activation. View ARHGEF1 Products
Related Target: ROCK1 Direct downstream effector, critical for actin cytoskeleton regulation. View ROCK1 Products
Related Target: RAC1 Synergistic GTPase pathway member for parallel pathway screening. View RAC1 Products

Critical Assay Challenges & Technical Specifications

Critical Assay Challenge The TarMart Advantage (Technical Spec)
Nucleotide State Control (GTP vs GDP bound) Constitutively Active (Q63L) and Dominant Negative (T19N) mutants available; purified proteins suitable for GTP-loading assays with >95% purity
Cross-family Selectivity (RHOA vs RHOB/C) Human/Mouse/Cyno ortholog RHOA, RHOB, and RHOC protein panel with sequence-verified specificity for counter-screening
Structural & Biophysical Studies Low endotoxin (<1 EU/μg) and high-concentration (≥5 mg/mL) formulation suitable for crystallography and SPR
Lack of Cellular Controls Validated siRNA included for knockdown specificity confirmation; Lentivirus for rescue experiments
Mutant-Specific Drug Development (Y42C) Cancer-associated Y42C and G17E mutant proteins available; Sequence-verified for diffuse gastric cancer targeting
Evaluating Drug Resistance and Cancer-Specific Mutations Gastric cancer specific mutants (e.g., Y42C) available with strict Sequence Verification and High Purity (>95%)
Targeting Intracellular Conformations E. coli or HEK293 expressed soluble proteins optimized for structural integrity and nucleotide binding assays
Lack of Reliable Assay Controls Recombinant positive control antibodies included for standardized Western Blot and ELISA workflows
Target Validation & False Positives Sequence-verified siRNA included for precise cellular specificity checks and knockdown validation

Live RHOA R&D Tracker

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

Global Clinical Landscape & Future Outlook

The race for RHOA-targeted therapeutics is intensifying, with major players shifting focus from direct enzyme inhibition to upstream Guanine nucleotide Exchange Factor (GEF) blockade, allosteric inhibition, and PROTAC-mediated degradation. As a critical molecular switch in the GTPase family, RHOA plays a central role in tumor metastasis, angiogenesis, and cardiovascular pathology. Recurrent Y42C and G17E mutations in diffuse gastric cancer (DGC) reveal novel druggable pockets, driving next-wave R&D toward mutant-selective inhibitors and degraders, as well as combination therapies with immune checkpoint inhibitors. The field is also exploring alternative strategies such as ROCK inhibitor-based pathway blockade and RNAi therapeutics for fibrosis and pulmonary hypertension.

Competitive Modality & Indication Snapshot

Modality Representative Players Key Indications Critical Assay Need (Why TarMart?)
GEF Inhibitors (Indirect) Asahi Kasei, AstraZeneca Diffuse Gastric Cancer GTP-loading Assay (Need WT vs Mutant RHOA proteins with controlled nucleotide states)
PROTACs / Molecular Glues Arvinas, C4 Therapeutics, and other early-stage innovators Solid Tumors (Metastatic), Metastatic Cancers Mutant Selectivity Panel and Ternary Complex Validation (Need Y42C, G17E mutants vs WT; strictly sequence-verified RHOA)
ROCK Inhibitors (Downstream) Kowa Company, D. Western Therapeutics Glaucoma, Cancer Pathway Activation Assay (Need RHOA mutants to verify upstream pathway blockade)
Gene Therapy (siRNA/mRNA) Silence Therapeutics Fibrosis Knockdown Validation (Need high-efficiency siRNA and lentiviral delivery systems)
Small Molecule Inhibitors (Direct/Allosteric) Various Oncology Biotechs Gastric Cancer, Solid Tumors Binding Assays (Need High-purity Wild-Type and Y42C Mutant Proteins)
RNAi / Gene Therapy Cardiovascular Developers Pulmonary Hypertension In Vitro Knockdown Assays (Need specific siRNA and benchmark detection Abs)