PMN sequestration in PMA injured lung

L. L. McCloud, M. D. Snead, Scott A Barman, W. F. Hofman, J. D. Catravas, I. C. Ehrhart

Research output: Contribution to journalArticle

Abstract

Polymorphonuclear neutrophils (PMN) mediate lung injury to phorbol myristate acetate (PMA). We hypothesized that PMA would increase pulmonary PMN sequestration (Seq.) PMN were isolated from the blood of the lung donor and radiolabeled with 'Chromium ("Cr). Isolated canine lung lobes were ventilated and pump perfused with blood. "CrPMN and indocyanine green dye were injected via the arterial catheter and venous samples were collected over 12 sec at 0.6 sec intervals for first pass uptake and lung blood volume determination. PMA (0.1 ug/ml blood, n=3) or vehicle, dimethyl sulfoxide, (DMSO, n=4) was then added to the venous reservoir. At 30 min inflow and outflow to the lung were clamped and the tissue containing blood was homogenized. Homogenate and circulating blood (Bid.) 51Cr content were assayed. MEASURE PMA DMSO Seq. 51Cr-PMN/[Bld. 51Cr-PMN]/g 26.43±7.64 6.46±1.03 Seq. 51Cr-PMN/[Bld. 51Cr-PMN] 420.2±115.3 145.0±24.1 Total 51Cr-PMN/[Bld 51Cr-PMN] 460.91103.1 217.9±24.2 PMA tended to increase pulmonary 51Cr-PMN sequestration.

Original languageEnglish (US)
JournalFASEB Journal
Volume10
Issue number3
StatePublished - Dec 1 1996

Fingerprint

Tetradecanoylphorbol Acetate
neutrophils
Neutrophils
Blood
lungs
acetates
Lung
Dimethyl Sulfoxide
blood
Blood Volume Determination
Vascular Access Devices
Indocyanine Green
Catheters
Lung Injury
Chromium
Blood Donors
blood volume
dimethyl sulfoxide
Canidae
chromium

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry
  • Cell Biology

Cite this

McCloud, L. L., Snead, M. D., Barman, S. A., Hofman, W. F., Catravas, J. D., & Ehrhart, I. C. (1996). PMN sequestration in PMA injured lung. FASEB Journal, 10(3).

PMN sequestration in PMA injured lung. / McCloud, L. L.; Snead, M. D.; Barman, Scott A; Hofman, W. F.; Catravas, J. D.; Ehrhart, I. C.

In: FASEB Journal, Vol. 10, No. 3, 01.12.1996.

Research output: Contribution to journalArticle

McCloud, LL, Snead, MD, Barman, SA, Hofman, WF, Catravas, JD & Ehrhart, IC 1996, 'PMN sequestration in PMA injured lung', FASEB Journal, vol. 10, no. 3.
McCloud LL, Snead MD, Barman SA, Hofman WF, Catravas JD, Ehrhart IC. PMN sequestration in PMA injured lung. FASEB Journal. 1996 Dec 1;10(3).
McCloud, L. L. ; Snead, M. D. ; Barman, Scott A ; Hofman, W. F. ; Catravas, J. D. ; Ehrhart, I. C. / PMN sequestration in PMA injured lung. In: FASEB Journal. 1996 ; Vol. 10, No. 3.
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