Abstract
In this paper, using both immunofluorescence and protein biochemistry techniques, we present definitive evidence that plasma proteins such as albumin are present within normal human epidermis. This result confirms several previous reports supporting the idea that relatively large molecules can diffuse through the epidermal basement membrane into epidermis. Our results bring new insights for discussing how hydrophobic ligands or drugs present in the bloodstream and bound to plasmatic carriers can reach epidermal cells of all layers.
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Abbreviations
- CHAPS:
-
3-[3-cholamidopropyl dimethylammonio] propane sulfonate
- kD:
-
kilodaltons
- BSA:
-
bovine serum albumin
- 2ME:
-
2-mercaptoethanol
- DTT:
-
dithiothreitol
- SDS:
-
sodium dodecyl sulfate
- pI:
-
isoelectric point
- Mw:
-
molecular weight
- Tris:
-
Tris-(hydroxymethyl) aminomethane
- 1D:
-
one dimensional
- 2D:
-
two dimensional
- PAGE:
-
poly acrylamide gel electrophoresis
- MEM:
-
Minimal Eagle's Medium
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Rabilloud, T., Asselineau, D. & Darmon, M. Presence of serum albumin in normal human epidermis: Possible implications for the nutrition and physiology of stratified epithelia. Mol Biol Rep 13, 213–219 (1988). https://doi.org/10.1007/BF00788173
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DOI: https://doi.org/10.1007/BF00788173