Cited by 44Cardiac Ischemia and ReperfusionNitric Oxide and Endothelin EffectsAcute Kidney Injury Research

Inhibition of CD38 with the Thiazoloquin(az)olin(on)e 78c Protects the Heart against Postischemic Injury

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Boslett, James, Reddy, Nikhil, Alzarie, Yasmin A, Zweier, Jay L·2019·The Journal of Pharmacology and Experimental Therapeutics

Abstract

Inhibition of and genetic deletion of the NAD(P)+ hydrolase [NAD(P)ase] CD38 have been shown to protect against ischemia/reperfusion (I/R) injury in rat and mouse hearts. CD38 has been shown to enhance salvage of NADP(H), which in turn prevents impairment of endothelial nitric oxide synthase function, a hallmark of endothelial dysfunction. Despite growing evidence for a role of CD38 in postischemic injury, until recently there had been a lack of potent CD38 inhibitors. Recently, a new class of thiazoloquin(az)olin(on)e compounds were identified as highly potent and specific CD38 inhibitors. Herein, we investigate the ability of one of these compounds, 78c, to inhibit CD38 and protect the heart in an ex vivo model of myocardial I/R injury. The potency and mechanism of CD38 inhibition by 78c was assessed in vitro using recombinant CD38. The dose-dependent tissue uptake of 78c in isolated mouse hearts was determined, and high tissue permeability of 78c was observed when delivered in perfusate. Treatment of hearts with 78c was protective against both postischemic endothelial and cardiac myocyte injury, with preserved nitric oxide synthase-dependent vasodilatory and contractile function, respectively. Myocardial infarction was also significantly decreased in 78c-treated hearts, with preserved levels of high-energy phosphates. Protective effects peaked at 10 μ M treatment, and similar protection without toxicity was seen at 5-fold higher doses. Overall, 78c was shown to be a potent and biologically active CD38 inhibitor with favorable tissue uptake and marked protective effects against I/R injury with enhanced preservation of contractile function, coronary flow, and decreased infarction.

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  • Treating aged mice with compound 78c improves muscle function.

    “78c also prevents age-related declines in NAD+ levels in mice, and treatment of aged mice with this compound was shown to ameliorate metabolic dysfunction, reduce DNA damage accumulation and improve muscle function91,231.”
  • Treating aged mice with compound 78c reduces DNA damage accumulation.

    “78c also prevents age-related declines in NAD+ levels in mice, and treatment of aged mice with this compound was shown to ameliorate metabolic dysfunction, reduce DNA damage accumulation and improve muscle function91,231.”
  • Compound 78c prevents age-related NAD+ decline in mice.

    “78c also prevents age-related declines in NAD+ levels in mice, and treatment of aged mice with this compound was shown to ameliorate metabolic dysfunction, reduce DNA damage accumulation and improve muscle function91,231.”
  • Treating aged mice with compound 78c lessens metabolic dysfunction.

    “78c also prevents age-related declines in NAD+ levels in mice, and treatment of aged mice with this compound was shown to ameliorate metabolic dysfunction, reduce DNA damage accumulation and improve muscle function91,231.”
  • Compound 78c protects against endothelial and cardiac muscle cell injury after ischaemia in mice.

    “More recently, compound 78c protected against postischaemic endothelial and cardiac myocyte injury in mice91,231.”

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Authors
Boslett, J., Reddy, N., Alzarie, Y. A., & Zweier, J. L.
Affiliations
The Ohio State University (US)
Corresponding author
Zweier, Jay L
Venue
The Journal of Pharmacology and Experimental Therapeutics
Publisher
Elsevier BV
Published
2019-04
Volume
369
Issue
1
Pages
55-64
ISSN
0022-3565 (ISSN-L)
OpenAlex
W2910447611
Cited by
43
References
45
Citations by year
2026: 4 · 2025: 9 · 2024: 5 · 2023: 6 · 2022: 9 · 2021: 4 · 2020: 5 · 2019: 1
FWCI
3.49
Type
journal article
Language
en
Open access
Locations
  • Journal of Pharmacology and Experimental Therapeutics (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (R01HL135648, R01HL131941)
Topics
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Cardiac Ischemia and Reperfusion
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Health Sciences › Medicine › Nephrology › Acute Kidney Injury Research
Keywords
myocardial ischemia-reperfusion injury, endothelial nitric oxide synthase, endothelial dysfunction, myocardial infarction, cardiac contractile function, coronary blood flow, high-energy phosphates, tissue permeability, cardioprotection
MeSH terms
Animals, Biological Transport, Biopterins, Endothelium, Heart, Mice, Inbred C57BL, Myocardial Contraction, NADP, Quinazolines, Myocardial Reperfusion Injury, Nitric Oxide Synthase, Mice, ADP-ribosyl Cyclase 1, Glycoside Hydrolase Inhibitors

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