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[The effect of a mite allergen on Na/H metabolic activity in peritoneal mast cells]
Biulleten' Eksperimental'Noi Biologii I Meditsiny
|December 1, 1992
Abstract:
Mite allergen interacting with mast cells treated with sera from bronchial patient sensitized to home dust Dermatophagoides farinae causes changes in intracellular pH. Regulation of pHi peritoneal mast cells is participated by Na/H metabolism probably activated by protein kinase C.
Insights
Mite allergens from Dermatophagoides farinae alter intracellular pH in mast cells. This pH change is likely regulated by sodium-hydrogen (Na/H) metabolism, possibly involving protein kinase C.
Area of Science:
- Immunology
- Cell Biology
- Biochemistry
Context:
- Mast cells play a crucial role in allergic responses.
- Allergic asthma is often triggered by house dust mite allergens.
- Intracellular pH (pHi) regulation is vital for cell function.
Purpose:
- To investigate the effect of Dermatophagoides farinae mite allergen on mast cell intracellular pH.
- To explore the role of Na/H metabolism in mast cell pHi regulation.
- To determine the potential involvement of protein kinase C in this process.
Summary:
- Exposure of peritoneal mast cells to Dermatophagoides farinae allergen, in the presence of sera from sensitized patients, induced changes in intracellular pH.
- The study suggests that the regulation of mast cell pHi is mediated by Na/H metabolism.
- Protein kinase C activation is implicated as a likely mechanism in this regulatory pathway.
Impact:
- Provides insights into the cellular mechanisms underlying house dust mite allergy.
- Highlights the importance of pHi regulation in mast cell activation.
- Suggests potential therapeutic targets for managing allergic airway inflammation.