ICAM5 Drug Discovery Landscape & Assay Solutions

Market Intelligence, Clinical Progress, and High-Purity Reagents for Neuroinflammation and CNS Targeted Therapy Development

TarMart Solution Ecosystem & Related Targets

Comprehensive reagent toolkit for ICAM5 (Telencephalin) drug discovery. ICAM5 is a neural-specific adhesion molecule with 5 Ig-like C2-type domains, restricted to the telencephalon. Select your modality below:

Component / Network Product Description Product Link
Antigen ICAM5 ECD-Fc Fusion Protein (5 Ig-like Domains)
HEK293 Expressed, Native Glycosylation, Sequence Verified, >95% Purity, Endotoxin <1 EU/µg
View ICAM5 Products
Gene Delivery ICAM5 Lentivirus Particles (Full-Length ORF)
For stable cell line construction in neuronal/BBB models. CMV promoter, Puromycin selection.
View ICAM5 Products
Benchmark Ab Anti-ICAM5 Reference Antibody
Recombinant chimeric positive control, Sequence Verified, Suitable for blocking and binding assays.
View ICAM5 Products
Validator ICAM5 siRNA Set (3 unique sequences)
For knockdown verification and specificity controls in adhesion assays.
View ICAM5 Products
Related Target (Counter-screen) ICAM1 (CD54)
Critical for off-target binding assessment within the immunoglobulin superfamily.
View ICAM1 Products
Ligand Partner ITGAL (CD11a, LFA-1 α chain)
Natural ligand for ICAM5; essential for adhesion inhibition assay development.
View ITGAL Products

Technical Specifications for Critical Assay Challenges

Critical Assay Challenge The TarMart Advantage (Technical Spec)
Native Glycosylation & Conformational Folding HEK293 expressed (Native Glycosylation) ensuring authentic structural epitopes
Cross-species CNS Translation (Human/Mouse/Cyno) Species ortholog proteins (Human, Cynomolgus, Mouse) with identical domain architecture, Sequence Verified by Mass Spec
Epitope Domain Mapping (D1-D2 vs D3-D5) Truncated variants: ICAM5-D1D2 and ICAM5-D3D5 Fusions for precise epitope binning
ICAM Family Selectivity (Avoid ICAM1/3 cross-reactivity) Homolog panel including ICAM1, ICAM3, and ICAM5 for specificity screening; siRNA included for target-specific validation
Lack of Reliable Assay Controls Clinical Benchmark Antibodies included for standardizing SPR/BLI assays
Background Noise in Cell Assays Validated siRNA included for strict specificity and false-positive checks
Cell-Based Adhesion & BBB Transcytosis Lentivirus for stable ICAM5-expressing endothelial cell lines (hCMEC/D3 or bEnd.3 compatible)

Key Genetic Variants

ICAM5 carries several reported mutations relevant to disease and polymorphism studies:

  • Somatic mutations in a breast cancer sample (UniProt VAR_035515, VAR_035516)
  • dbSNP rs1056538 (UniProt VAR_056046) These variants underline the importance of using sequence-verified antigens for assay development.

Live ICAM5 R&D Tracker

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

Global Clinical Landscape & Future Outlook

The therapeutic potential of ICAM5 (Telencephalin) is rapidly transitioning from basic neuroscience to targeted drug development. As a telencephalon-specific adhesion molecule with extremely restricted peripheral expression, ICAM5 represents a high-value target for modulating immune cell trafficking across the blood-brain barrier (BBB) without systemic immunosuppression. Current R&D is bifurcated: one major track focuses on soluble ICAM5 (sICAM5) as a cerebrospinal fluid/serum biomarker for synaptic injury in Alzheimer's disease, traumatic brain injury, and dementia; the other track is developing anti-ICAM5 monoclonal antibodies for blocking leukocyte infiltration (via LFA-1) in neuroinflammatory diseases such as multiple sclerosis and autoimmune encephalitis, as well as exploiting neuronal-specific expression for CNS-targeted delivery vehicles (ADC, bispecific engagers). The next wave of innovation emphasizes domain-specific epitope engineering to distinguish ICAM5 from ubiquitous ICAM1/ICAM3 family members and to enable safe brain-penetrating therapeutics.

Competitive Modality & Indication Snapshot

Modality Representative Players Key Indications Critical Assay Need (Why TarMart?)
Monoclonal Antibody (Blocking) Academic Consortiums, CNS-Focused Biotechs Neuroinflammation (MS, Autoimmune Encephalitis), Alzheimer's Disease LFA-1 Adhesion Inhibition: requires high-purity ICAM5 ECD and ITGAL pairing
ADC (Antibody-Drug Conjugate) Neuro-Oncology Pioneers Glioblastoma, Brain Metastases Internalization Assay: requires full-length Lentivirus-stable cell lines
Bispecific Engager Immune Cell Redirectors Neuroinflammation Cross-species Reactivity: needs Human/Cyno/Mouse ortholog panel
CAR-T / Cell Therapy Neuro-Immunology Labs Primary Brain Tumors Cell Surface Density Calibration: requires defined antigen standards

Related Targets and Cross-Sell Opportunities

Build a comprehensive neuroimmunology research package by pairing ICAM5 reagents with:

  • ICAM1 (CD54) – essential for selectivity screening.
  • ITGAL (LFA-1 α) – natural ligand for functional assays.
  • TREM2 – core neuroinflammation target for microglial modulation.
  • APP – key Alzheimer's network partner for combined biomarker assessments.

These tools enable rigorous lead optimization and mechanistic validation across the entire ICAM5 pipeline.