Target intelligence / Profile preview

Mast Cell (None)

Target
None
Molecular classification
Immune cell, Granulocyte, Tissue-resident cell
01

Overview

Mast cells are tissue-resident immune cells crucial in allergic reactions, inflammation, and host defense. They release mediators like histamine, heparin, and cytokines upon activation via various mechanisms, including IgE cross-linking, DAMP/PAMP recognition, and complement activation. Dysregulation leads to diseases like asthma, mastocytosis, and MCAS.

02

Mechanism of action

Drugs targeting mast cells aim to inhibit their activation, mediator release, or downstream effects. Antihistamines block histamine receptors, mast cell stabilizers prevent degranulation, epinephrine reverses anaphylaxis, anti-IgE antibodies reduce IgE levels, and corticosteroids suppress inflammation.

03

Biological functions

Allergic responseInflammationHost defenseImmune regulationAngiogenesisTissue repair
04

Disease associations

Allergic diseases (asthma/allergic rhinitis/anaphylaxis)MastocytosisMast Cell Activation Syndrome (MCAS)Hereditary Alpha Tryptasemia
05

Safety considerations

Potential for systemic side effects with mast cell stabilizers and corticosteroids.Epinephrine can cause cardiovascular side effects.Anaphylactic reactions to medications used to treat mast cell disorders.Unpredictable mast cell activation in MCAS.
06

Interacting drugs

Antihistamines

4 more in the full profile.

07

Biomarkers

Serum tryptaseHistamine levelsProstaglandin D2 (PGD2) levelsLeukotriene levelsN-methylhistamine

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