Target intelligence / Profile preview

Delayed-Type Hypersensitivity (DTH)

Target: DTH
Molecular classification: Immune response, T cell-mediated immunity

Overview

Delayed-type hypersensitivity represents a cell-mediated immune mechanism where sensitized T lymphocytes orchestrate an inflammatory response upon re-exposure to specific antigens. This process is distinct from antibody-mediated immunity both in timing and cellular participants. The resulting tissue injury can be beneficial when targeting pathogens but may cause pathology if misdirected against harmless substances or self-antigens.

Other names: Type IV hypersensitivityCell-mediated hypersensitivity

Mechanism of action

Not applicable (DTH is a process, not a target)

Biological functions

Immune responseInflammationCell-mediated cytotoxicityCytokine production

Disease associations

Allergic contact dermatitisTuberculosis (diagnosis via tuberculin skin test)Drug allergiesAutoimmune diseasesGranulomatous inflammationAsthma (certain forms)

Safety considerations

Excessive inflammationTissue damageAutoimmunity

Interacting drugs

Corticosteroids

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