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Features of vernix caseosa cells.
T Agorastos1, G Hollweg, E I Grussendorf
1B'University Clinic of Obstetrics and Gynecology, Aristotelian University of Thessaloniki, Hippokrateion Hospital, Greece.
American Journal of Perinatology
|July 1, 1988
Summary
Vernix caseosa (VC) cells show diverse ultrastructural and enzymatic features. This cellular variability suggests differences in keratinization and desquamation activities among individual VC cells.
Area of Science:
- Biochemistry
- Cell Biology
- Dermatology
Background:
- Vernix caseosa (VC) is a poorly understood biological material.
- VC cells possess unique histochemical, ultrastructural, and immunological characteristics.
Purpose of the Study:
- To investigate the histochemical, ultrastructural, and immunological properties of vernix caseosa (VC) cells.
- To characterize the cellular features and variability within VC.
Main Methods:
- Histochemistry and light microscopy to assess enzyme activity (acid and alkaline phosphatase).
- Scanning and transmission electron microscopy (TEM) for ultrastructural analysis.
- Immunofluorescent staining for immunological markers.
Main Results:
- Acid phosphatase activity was detected in VC cells, while alkaline phosphatase was absent.
- Significant variations in surface patterns and keratinization stages were observed among individual VC cells via TEM.
- Immunofluorescence showed a strong positive reaction for immunoglobulin G (IgG) on VC cell antigen sites.
Conclusions:
- VC cells exhibit polymorphous surface patterns and cytoplasmic structures.
- The non-uniform distribution of acid phosphatase activity and cellular morphology indicates dissimilarities in keratinization and desquamation processes among individual VC cells.