Agonist-induced cyclic ADP ribose production in airway smooth muscle

Sertac N. Kip, Molly Smelter, Adeyemi Iyanoye, Eduardo Nunes Chini, Y.s. Prakash, Christina M Pabelick, Gary C Sieck

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Cyclic ADP-ribose (cADPR) triggers sarcoplasmic reticulum (SR) Ca2+ release in airway smooth muscle (ASM). SR Ca2+ release is an important component of the intracellular Ca2+ ([Ca2+]i) response of ASM to agonists. Whether cADPR is endogenously produced in ASM during agonist stimulation has not been established. In this study, cADPR production was examined in acutely dissociated porcine ASM cells. ACh stimulation (≥1 μM) significantly increased cADPR levels, peaking between 30 s and 1 min. This effect was inhibited by M2 and M3 muscarinic receptor antagonists. Histamine (≥5 μM) increased cADPR levels to a greater extent than ACh, while diphenhydramine blocked histamine-induced cADPR elevation. Both bradykinin (100 nM) and endothelin-1 (100 nM) also increased cADPR levels to a greater extent than ACh or histamine. These results indicate that in porcine ASM, certain agonists acting via receptors increase cADPR levels. Furthermore, the extent of cADPR responses to agonist varies, possibly reflecting differences in G-protein coupling.

Original languageEnglish (US)
Pages (from-to)102-107
Number of pages6
JournalArchives of Biochemistry and Biophysics
Volume452
Issue number2
DOIs
StatePublished - Aug 15 2006

Fingerprint

Cyclic ADP-Ribose
Smooth Muscle
Muscle
Histamine
Sarcoplasmic Reticulum
Swine
Muscarinic M3 Receptors
Diphenhydramine
Muscarinic M2 Receptors
Muscarinic Antagonists
Bradykinin
Endothelin-1
GTP-Binding Proteins
Smooth Muscle Myocytes

Keywords

  • Acetylcholine
  • ADP ribosyl cyclase
  • Bradykinin
  • CD38
  • Endothelin
  • G-protein
  • Histamine
  • Muscarinic

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Agonist-induced cyclic ADP ribose production in airway smooth muscle. / Kip, Sertac N.; Smelter, Molly; Iyanoye, Adeyemi; Chini, Eduardo Nunes; Prakash, Y.s.; Pabelick, Christina M; Sieck, Gary C.

In: Archives of Biochemistry and Biophysics, Vol. 452, No. 2, 15.08.2006, p. 102-107.

Research output: Contribution to journalArticle

Kip, Sertac N. ; Smelter, Molly ; Iyanoye, Adeyemi ; Chini, Eduardo Nunes ; Prakash, Y.s. ; Pabelick, Christina M ; Sieck, Gary C. / Agonist-induced cyclic ADP ribose production in airway smooth muscle. In: Archives of Biochemistry and Biophysics. 2006 ; Vol. 452, No. 2. pp. 102-107.
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