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Target intelligence / Profile preview
Tumor-Specific Idiotype Immunoglobulin (Id)
- Target
- Id
- Molecular classification
- Immunoglobulin, B-cell receptor (BCR)
01
Overview
The tumor-specific idiotype immunoglobulin (Id) refers to the unique antigenic determinants found in the variable regions of immunoglobulins produced by malignant B cells. These idiotypes are clonally unique and serve as both a functional receptor and a potential therapeutic target. It acts as a highly selective marker for malignant B cells and is used as a biomarker for disease monitoring and as an immunotherapeutic target.
- Other names
- Tumor-specific IdIdiotypeIdiotypic immunoglobulinTumor idiotype
02
Mechanism of action
Anti-idiotype antibodies: Direct binding and neutralization or ADCC/CDC. Idiotypic vaccines: Induction of humoral and cellular immune responses against tumor cells expressing the idiotype. Peptide-based strategies: T-cell stimulation.
03
Biological functions
Antigen recognitionB-cell signalingTumor cell proliferation (in malignancy)
04
Disease associations
CancerB-cell lymphomaLeukemia
05
Safety considerations
Emergence of escape variants (idiotypic drift)Individualized production challengesPotential for off-target effects (anti-idiotype antibodies)Logistical hurdles for widespread application
06
Interacting drugs
Anti-idiotype antibodies
2 more in the full profile.
07
Biomarkers
Serum idiotype levels (disease monitoring)Presence of tumor-specific idiotype sequence
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