Sebocytes, multifaceted epithelial cells

Lipid production and holocrine secretion

Marlon R. Schneider, Ralf Paus

Research output: Contribution to journalShort survey

82 Citations (Scopus)

Abstract

Sebocytes are highly specialized, sebum-producing epithelial cells that release their content by rupture of the cell membrane and cellular degradation (holocrine secretion). These cells are most commonly found in the skin in association with hair follicles (forming the pilosebaceous unit), where they arise from hair follicle keratinocytes, but there are also sebaceous glands (SGs) not associated with a hair follicle. The latter have special functions as secretion of pheromones or corneal protection. While the full range of sebum functions in human skin remains to be clarified, sebum forms an integral component of the epidermal barrier and the skin immune system. Sebocyte formation is controlled by multiple molecular pathways (e.g. Blimp1, Wnt, C-myc, Hedgehog) and sebum synthesis is strongly regulated by hormones, in particular by androgens. Excessive sebum production is seen in acne vulgaris, one of the most common skin diseases, while deregulated sebocyte differentiation characterizes some rare benign and malignant tumors.

Original languageEnglish (US)
Pages (from-to)181-185
Number of pages5
JournalInternational Journal of Biochemistry and Cell Biology
Volume42
Issue number2
DOIs
StatePublished - Feb 1 2010
Externally publishedYes

Fingerprint

Sebum
Skin
Epithelial Cells
Hair Follicle
Lipids
Immune system
Pheromones
Cell membranes
Sebaceous Glands
Androgens
Acne Vulgaris
Tumors
Keratinocytes
Skin Diseases
Association reactions
Hormones
Rupture
Immune System
Degradation
Cell Membrane

Keywords

  • Blimp1
  • Hair follicle
  • Sebocytes
  • Sebum
  • Skin

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology

Cite this

Sebocytes, multifaceted epithelial cells : Lipid production and holocrine secretion. / Schneider, Marlon R.; Paus, Ralf.

In: International Journal of Biochemistry and Cell Biology, Vol. 42, No. 2, 01.02.2010, p. 181-185.

Research output: Contribution to journalShort survey

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