Culture medium enhances semicarbazide-sensitive amine oxidase activity

M. B. Trent, D. J. Conklin, P. J. Boor

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Components of fetal calf serum (FCS) are known to contribute to growth and maintenance of cultured cells. Fetal calf serum supplementation of media also may contribute to the cytotoxicity of other substances to cells grown in vitro. Semicarbazide-sensitive amine oxidase (SSAO) enzyme, present in FCS, metabolizes primary amines and contributes to amine cytotoxicity in vascular smooth muscle cells (VSMC). In cell culture experiments, the media used may greatly affect enzymic activities such as SSAO. In these studies, the SSAO activity in FCS, cultured rat aortic VSMC, and rat plasma was determined in the presence and absence of various culture media. Semicarbazide-sensitive amine oxidase activity in FCS (5-20 μl) was significantly enhanced (∼1.5- to 2-fold) in the presence of various culture media, with Dulbecco modified Eagle medium (DMEM), causing the greatest enhancement. Dulbecco modified Eagle medium enhanced the SSAO activity of cultured VSMC in two of the four passages but reduced activity in two passages. Activity in rat plasma was reduced by ∼25% in the presence of DMEM. The concentrations of various media components, such as glucose, sodium pyruvate, pyridoxine-HC1, and L-glutamine, were not correlated with enhancement. This study identifies an important enhancement effect of culture media on the FCS enzyme, SSAO, although the media components responsible for the enhancement are yet to be identified.

Original languageEnglish (US)
Pages (from-to)523-528
Number of pages6
JournalIn Vitro Cellular and Developmental Biology - Animal
Volume38
Issue number9
StatePublished - Oct 2002

Fingerprint

Amine Oxidase (Copper-Containing)
Culture Media
Eagles
Serum
Vascular Smooth Muscle
Cells
Smooth Muscle Myocytes
Muscle
Rats
Fetal Movement
Cytotoxicity
Amines
Plasmas
Pyridoxine
Enzymes
Glutamine
Pyruvic Acid
Cell culture
Cultured Cells
Cell Culture Techniques

Keywords

  • Cell culture
  • Diabetes mellitus
  • Hyperglycemia
  • Vascular injury
  • Vascular smooth muscle cells

ASJC Scopus subject areas

  • Developmental Biology
  • Clinical Biochemistry
  • Cell Biology

Cite this

Culture medium enhances semicarbazide-sensitive amine oxidase activity. / Trent, M. B.; Conklin, D. J.; Boor, P. J.

In: In Vitro Cellular and Developmental Biology - Animal, Vol. 38, No. 9, 10.2002, p. 523-528.

Research output: Contribution to journalArticle

Trent, M. B. ; Conklin, D. J. ; Boor, P. J. / Culture medium enhances semicarbazide-sensitive amine oxidase activity. In: In Vitro Cellular and Developmental Biology - Animal. 2002 ; Vol. 38, No. 9. pp. 523-528.
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