Skip to main content
Advertisement

Main menu

  • Home
  • Articles
    • Current Issue
    • Fast Forward
    • Latest Articles
    • Special Sections
    • Archive
  • Information
    • Instructions to Authors
    • Submit a Manuscript
    • FAQs
    • For Subscribers
    • Terms & Conditions of Use
    • Permissions
  • Editorial Board
  • Alerts
    • Alerts
    • RSS Feeds
  • Virtual Issues
  • Feedback
  • Submit
  • Other Publications
    • Drug Metabolism and Disposition
    • Journal of Pharmacology and Experimental Therapeutics
    • Molecular Pharmacology
    • Pharmacological Reviews
    • Pharmacology Research & Perspectives
    • ASPET

User menu

  • My alerts
  • Log in
  • My Cart

Search

  • Advanced search
Molecular Pharmacology
  • Other Publications
    • Drug Metabolism and Disposition
    • Journal of Pharmacology and Experimental Therapeutics
    • Molecular Pharmacology
    • Pharmacological Reviews
    • Pharmacology Research & Perspectives
    • ASPET
  • My alerts
  • Log in
  • My Cart
Molecular Pharmacology

Advanced Search

  • Home
  • Articles
    • Current Issue
    • Fast Forward
    • Latest Articles
    • Special Sections
    • Archive
  • Information
    • Instructions to Authors
    • Submit a Manuscript
    • FAQs
    • For Subscribers
    • Terms & Conditions of Use
    • Permissions
  • Editorial Board
  • Alerts
    • Alerts
    • RSS Feeds
  • Virtual Issues
  • Feedback
  • Submit
  • Visit molpharm on Facebook
  • Follow molpharm on Twitter
  • Follow molpharm on LinkedIn
Research ArticleArticle

Down-Regulation of P2U-Purinergic Nucleotide Receptor Messenger RNA Expression During In Vitro Differentiation of Human Myeloid Leukocytes by Phorbol Esters or Inflammatory Activators

Kathleen A. Martin, Sylvia B. Kertesy and George R. Dubyak
Molecular Pharmacology January 1997, 51 (1) 97-108; DOI: https://doi.org/10.1124/mol.51.1.97
Kathleen A. Martin
Department of Physiology and Biophysics, School of Medicine, Case Western Reserve University, Cleveland, Ohio 44106-4970
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
Sylvia B. Kertesy
Department of Physiology and Biophysics, School of Medicine, Case Western Reserve University, Cleveland, Ohio 44106-4970
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
George R. Dubyak
Department of Physiology and Biophysics, School of Medicine, Case Western Reserve University, Cleveland, Ohio 44106-4970
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • Article
  • Figures & Data
  • Info & Metrics
  • eLetters
  • PDF
Loading

Abstract

HL-60 human promyelocytic leukocytes express G protein-coupled P2U-purinergic nucleotide receptors (P2UR or P2Y2R) that activate inositol phospholipid hydrolysis and Ca2+ mobilization in response to ATP or UTP. We examined the expression of functional P2UR and P2UR mRNA levels during in vitro differentiation of HL-60 cells by dibutyryl-cAMP (Bt2cAMP), which induces a granulocyte/neutrophil phenotype, or by phorbol-12-myristate-13-acetate (PMA), which induces a monocyte/macrophage phenotype. Both P2UR function and P2UR mRNA levels were only modestly attenuated during granulocytic differentiation by Bt2cAMP. In contrast, P2UR function, as assayed by either Ca2+ mobilization or inositol trisphosphate generation, was greatly reduced in PMA-differentiated cells. This inhibition of P2UR function was strongly correlated with PMA-induced decreases in P2UR mRNA levels, as assayed by Northern blot analysis or reverse transcription-polymerase chain reaction-based quantification. Although PMA induced an early, transient up-regulation of P2UR mRNA, this was rapidly followed by a sustained decrease in P2UR mRNA to a level 5–10-fold lower than that in undifferentiated HL-60 cells. The half-life of the P2UR transcript in HL-60 cells was ∼60 min, and this was not affected by acute exposure (≤4 hr) to Bt2cAMP or PMA. PMA down-regulated P2UR mRNA in THP-1 monocytes and HL-60 granulocytes but not in A431 human epithelial cells or human keratinocytes. P2UR mRNA was also down-regulated in THP-1 monocytes differentiated into inflammatory macrophages by γ-interferon and endotoxin. These data indicate that myeloid leukocytes possess tissue-specific mechanisms for the rapid modulation of P2UR expression and function during differentiation and inflammatory activation.

Footnotes

    • Received May 29, 1996.
    • Accepted September 27, 1996.
  • Send reprint requests to: George R. Dubyak, Ph.D., Department of Physiology and Biophysics, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106-4970. E-mail: gxd3{at}po.cwru.edu

  • This work was supported by National Institutes of Health Grant GM36387 (G.P.D.). K.A.M. was supported by National Institutes of Health Training Grant HL07678.

  • The American Society for Pharmacology and Experimental Therapeutics
View Full Text

MolPharm articles become freely available 12 months after publication, and remain freely available for 5 years. 

Non-open access articles that fall outside this five year window are available only to institutional subscribers and current ASPET members, or through the article purchase feature at the bottom of the page. 

 

  • Click here for information on institutional subscriptions.
  • Click here for information on individual ASPET membership.

 

Log in using your username and password

Forgot your user name or password?

Purchase access

You may purchase access to this article. This will require you to create an account if you don't already have one.
PreviousNext
Back to top

In this issue

Molecular Pharmacology: 51 (1)
Molecular Pharmacology
Vol. 51, Issue 1
1 Jan 1997
  • Table of Contents
  • About the Cover
  • Index by author
Download PDF
Article Alerts
Sign In to Email Alerts with your Email Address
Email Article

Thank you for sharing this Molecular Pharmacology article.

NOTE: We request your email address only to inform the recipient that it was you who recommended this article, and that it is not junk mail. We do not retain these email addresses.

Enter multiple addresses on separate lines or separate them with commas.
Down-Regulation of P2U-Purinergic Nucleotide Receptor Messenger RNA Expression During In Vitro Differentiation of Human Myeloid Leukocytes by Phorbol Esters or Inflammatory Activators
(Your Name) has forwarded a page to you from Molecular Pharmacology
(Your Name) thought you would be interested in this article in Molecular Pharmacology.
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Citation Tools
Research ArticleArticle

Down-Regulation of P2U-Purinergic Nucleotide Receptor Messenger RNA Expression During In Vitro Differentiation of Human Myeloid Leukocytes by Phorbol Esters or Inflammatory Activators

Kathleen A. Martin, Sylvia B. Kertesy and George R. Dubyak
Molecular Pharmacology January 1, 1997, 51 (1) 97-108; DOI: https://doi.org/10.1124/mol.51.1.97

Citation Manager Formats

  • BibTeX
  • Bookends
  • EasyBib
  • EndNote (tagged)
  • EndNote 8 (xml)
  • Medlars
  • Mendeley
  • Papers
  • RefWorks Tagged
  • Ref Manager
  • RIS
  • Zotero

Share
Research ArticleArticle

Down-Regulation of P2U-Purinergic Nucleotide Receptor Messenger RNA Expression During In Vitro Differentiation of Human Myeloid Leukocytes by Phorbol Esters or Inflammatory Activators

Kathleen A. Martin, Sylvia B. Kertesy and George R. Dubyak
Molecular Pharmacology January 1, 1997, 51 (1) 97-108; DOI: https://doi.org/10.1124/mol.51.1.97
del.icio.us logo Digg logo Reddit logo Twitter logo Facebook logo Google logo Mendeley logo
  • Tweet Widget
  • Facebook Like
  • Google Plus One

Jump to section

  • Article
    • Abstract
    • Materials and Methods
    • Results
    • Discussion
    • Footnotes
    • Abbreviations
    • References
  • Figures & Data
  • Info & Metrics
  • eLetters
  • PDF

Related Articles

Cited By...

More in this TOC Section

  • Therapeutic Effects of FGF23 Antagonists in Hyp Mice
  • TRPV3 and TRPV4 Channels Coassemble into Heterotetramers
  • Secretin Amino-Terminal Structure-Activity Relationships and Complementary Mutagenesis at the Site of Docking to the Secretin Receptor
Show more Article

Similar Articles

Advertisement
  • Home
  • Alerts
Facebook   Twitter   LinkedIn   RSS

Navigate

  • Current Issue
  • Fast Forward by date
  • Fast Forward by section
  • Latest Articles
  • Archive
  • Search for Articles
  • Feedback
  • ASPET

More Information

  • About Molecular Pharmacology
  • Editorial Board
  • Instructions to Authors
  • Submit a Manuscript
  • Customized Alerts
  • RSS Feeds
  • Subscriptions
  • Permissions
  • Terms & Conditions of Use

ASPET's Other Journals

  • Drug Metabolism and Disposition
  • Journal of Pharmacology and Experimental Therapeutics
  • Pharmacological Reviews
  • Pharmacology Research & Perspectives
ISSN 1521-0111 (Online)

Copyright © 2022 by the American Society for Pharmacology and Experimental Therapeutics