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Langerhans cells: structure, function and role in oral pathological conditions
T Lombardi1, C Hauser, E Budtz-Jörgensen
1Division of Gerodontology and Removable Prosthodontics, University of Geneva, Switzerland.
Summary
Langerhans cells (LCs) are key immune cells in oral tissues. This review details their structure, origin, and role in oral immunity and pathology.
Area of Science:
- Immunology
- Oral Biology
- Dermatology
Background:
- Langerhans cells (LCs) are specialized dendritic cells found in stratified squamous epithelia.
- They originate from bone marrow and reside in the epidermis and oral mucosa, including the gingiva.
- LCs are recognized as crucial antigen-presenting cells (APCs) in initiating immune responses.
Purpose of the Study:
- To review the structure, phenotypic markers, and derivation of Langerhans cells.
- To discuss the immunological characteristics of LCs in the oral mucosa.
- To explore the implications of LCs in both normal and pathological oral conditions.
Main Methods:
- Literature review of existing research on Langerhans cells.
- Analysis of studies investigating LC structure and markers.
- Synthesis of findings on LC immunological functions and roles in oral pathology.
Main Results:
- Langerhans cells are bone marrow-derived dendritic cells located in the suprabasal layer of epithelia.
- They possess specific phenotypic markers and play a role in antigen presentation.
- Evidence suggests LCs are involved in immune reactions within the oral mucosa.
Conclusions:
- A comprehensive understanding of Langerhans cell structure and origin is essential.
- LCs are significant players in oral mucosal immunity and disease.
- Further research into their immunological characteristics can elucidate their role in oral pathology.