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Molecular Biology

, Volume 53, Issue 3, pp 427–437 | Cite as

Characterization of Distal and Proximal Alternative Promoters of the Human ApoA-I Gene

  • D. A. Mogilenko
  • V. S. Shavva
  • E. B. Dizhe
  • S. V. OrlovEmail author
MOLECULAR CELL BIOLOGY
  • 9 Downloads

Abstract

Human apolipoprotein A-I (ApoA-I) is a major structural and functional protein component of high-density lipoprotein (HDL). ApoA-I constitutes ~75% of the protein content of HDL. The main sites of ApoA-I synthesis in humans are the liver and the small intestine. The mechanisms that govern tissue-specific apoA-I transcription in tissues and organs other than the liver and the small intestine are poorly understood. It is known that the human apoA-I has two additional promoters, the proximal and the distal one. In this work these two alternative apoA-I promoters are characterized, their transcription start sites are mapped and their competition for apoA-I transcription is demonstrated; the role of the alternative promoters in apoA-I expression in human cells and tissues other than hepatocytes and enterocytes is discussed.

Keywords:

apolipoprotein A-I alternative promoter promoter competition transcription start site human hepatoma cells HepG2 

Notes

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Copyright information

© Pleiades Publishing, Inc. 2019

Authors and Affiliations

  • D. A. Mogilenko
    • 1
    • 2
    • 3
  • V. S. Shavva
    • 1
  • E. B. Dizhe
    • 1
  • S. V. Orlov
    • 1
    • 2
    Email author
  1. 1.Institute of Experimental MedicineSt. PetersburgRussia
  2. 2.St. Petersburg State UniversitySt. PetersburgRussia
  3. 3.Université de Lille, Inserm, Institut Pasteur de LilleLilleFrance

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