Lipoxins, aspirin-triggered epi-lipoxins, lipoxin stable analogues, and the resolution of inflammation

S. Mitchell, G. Thomas, K. Harvey, D. Cottell, K. Reville, G. Berlasconi, N. A. Petasis, Lars Peter Erwig, Andrew Jackson Rees, J. Savill, H. R. Brady, C. Godson

Research output: Contribution to journalArticle

210 Citations (Scopus)

Abstract

Lipoxins (LX) are eicosanoids with antiinflammatory activity in glomerulonephritis (GN) and inflammatory diseases, hypersensitivity, and ischemia reperfusion injury. It has been demonstrated that LXA(4) stimulates non-phlogistic phagocytosis of apoptotic polymorphonuclear neutrophils (PMN) by monocyte-derived macrophages (MO) in vitro, suggesting a role for LX as endogenous pro-resolution lipid mediators. It is here reported that LXA(4), LXB4, the aspirin-triggered LX (ATL) epimer, 15-epi-LXB4, and a stable synthetic analogue 15(R/S)-methyl-LXA(4) stimulate phagocytosis of exogenously administered excess apoptotic PMN by macrophages (Mphi) in vivo in a classic model of acute inflammation, namely thioglycollate-induced peritonitis. Significant enhancement of phagocytosis in vivo was observed with 15-min exposure to LX and with intraperitoneal doses of LXA(4), LXB4, 15(R/S)-methyl-LXA(4), and 15-epi-LXB4 of 2.5 to 10 mug/kg. Non-phlogistic LX-stimulated phagocytosis by Mphi was sensitive to inhibition of PKC and PI 3-kinase and associated with increased production of transforming growth factor-beta(1) (TGF-beta(1)). LX-stimulated phagocytosis was not inhibited by phosphatidylserine receptor (PSR) antisera and was abolished by prior exposure of Mphi to beta1,3-glucan, suggesting a novel Mphi-PMN recognition mechanism. Interestingly, the recently described peptide agonists of the LXA(4) receptor (MYFINITL and LESI-FRSLLFRVM) stimulated phagocytosis through a process associated with increased TGF-beta(1) release. These data provide the first demonstration that LXA(4), LXB4, ATL, and LX stable analogues rapidly promote Mphi phagocytosis of PMN in vivo and support a role for LX as rapidly acting, proresolution signals in inflammation. Engagement of the LXR by LX generated during cell-cell interactions in inflammation and by endogenous LXR peptide agonists released from distressed cells may be an important stimulus for clearance of apoptotic cells and may be amenable to pharmacologic mimicry for therapeutic gain.

Original languageEnglish
Pages (from-to)2497-2507
Number of pages10
JournalJournal of the American Society of Nephrology
Volume13
Issue number10
DOIs
Publication statusPublished - 1 Oct 2002

Keywords

  • vitronectin receptor
  • signaling pathways
  • mesangial cells
  • A(4) receptors
  • cutting edge
  • phosphatidylserine
  • activation
  • identification
  • recognition
  • responses

Cite this

Lipoxins, aspirin-triggered epi-lipoxins, lipoxin stable analogues, and the resolution of inflammation. / Mitchell, S.; Thomas, G.; Harvey, K.; Cottell, D.; Reville, K.; Berlasconi, G.; Petasis, N. A.; Erwig, Lars Peter; Rees, Andrew Jackson; Savill, J.; Brady, H. R.; Godson, C.

In: Journal of the American Society of Nephrology, Vol. 13, No. 10, 01.10.2002, p. 2497-2507.

Research output: Contribution to journalArticle

Mitchell, S, Thomas, G, Harvey, K, Cottell, D, Reville, K, Berlasconi, G, Petasis, NA, Erwig, LP, Rees, AJ, Savill, J, Brady, HR & Godson, C 2002, 'Lipoxins, aspirin-triggered epi-lipoxins, lipoxin stable analogues, and the resolution of inflammation', Journal of the American Society of Nephrology, vol. 13, no. 10, pp. 2497-2507. https://doi.org/10.1097/01.ASN.0000032417.73640.72
Mitchell, S. ; Thomas, G. ; Harvey, K. ; Cottell, D. ; Reville, K. ; Berlasconi, G. ; Petasis, N. A. ; Erwig, Lars Peter ; Rees, Andrew Jackson ; Savill, J. ; Brady, H. R. ; Godson, C. / Lipoxins, aspirin-triggered epi-lipoxins, lipoxin stable analogues, and the resolution of inflammation. In: Journal of the American Society of Nephrology. 2002 ; Vol. 13, No. 10. pp. 2497-2507.
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AU - Mitchell, S.

AU - Thomas, G.

AU - Harvey, K.

AU - Cottell, D.

AU - Reville, K.

AU - Berlasconi, G.

AU - Petasis, N. A.

AU - Erwig, Lars Peter

AU - Rees, Andrew Jackson

AU - Savill, J.

AU - Brady, H. R.

AU - Godson, C.

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N2 - Lipoxins (LX) are eicosanoids with antiinflammatory activity in glomerulonephritis (GN) and inflammatory diseases, hypersensitivity, and ischemia reperfusion injury. It has been demonstrated that LXA(4) stimulates non-phlogistic phagocytosis of apoptotic polymorphonuclear neutrophils (PMN) by monocyte-derived macrophages (MO) in vitro, suggesting a role for LX as endogenous pro-resolution lipid mediators. It is here reported that LXA(4), LXB4, the aspirin-triggered LX (ATL) epimer, 15-epi-LXB4, and a stable synthetic analogue 15(R/S)-methyl-LXA(4) stimulate phagocytosis of exogenously administered excess apoptotic PMN by macrophages (Mphi) in vivo in a classic model of acute inflammation, namely thioglycollate-induced peritonitis. Significant enhancement of phagocytosis in vivo was observed with 15-min exposure to LX and with intraperitoneal doses of LXA(4), LXB4, 15(R/S)-methyl-LXA(4), and 15-epi-LXB4 of 2.5 to 10 mug/kg. Non-phlogistic LX-stimulated phagocytosis by Mphi was sensitive to inhibition of PKC and PI 3-kinase and associated with increased production of transforming growth factor-beta(1) (TGF-beta(1)). LX-stimulated phagocytosis was not inhibited by phosphatidylserine receptor (PSR) antisera and was abolished by prior exposure of Mphi to beta1,3-glucan, suggesting a novel Mphi-PMN recognition mechanism. Interestingly, the recently described peptide agonists of the LXA(4) receptor (MYFINITL and LESI-FRSLLFRVM) stimulated phagocytosis through a process associated with increased TGF-beta(1) release. These data provide the first demonstration that LXA(4), LXB4, ATL, and LX stable analogues rapidly promote Mphi phagocytosis of PMN in vivo and support a role for LX as rapidly acting, proresolution signals in inflammation. Engagement of the LXR by LX generated during cell-cell interactions in inflammation and by endogenous LXR peptide agonists released from distressed cells may be an important stimulus for clearance of apoptotic cells and may be amenable to pharmacologic mimicry for therapeutic gain.

AB - Lipoxins (LX) are eicosanoids with antiinflammatory activity in glomerulonephritis (GN) and inflammatory diseases, hypersensitivity, and ischemia reperfusion injury. It has been demonstrated that LXA(4) stimulates non-phlogistic phagocytosis of apoptotic polymorphonuclear neutrophils (PMN) by monocyte-derived macrophages (MO) in vitro, suggesting a role for LX as endogenous pro-resolution lipid mediators. It is here reported that LXA(4), LXB4, the aspirin-triggered LX (ATL) epimer, 15-epi-LXB4, and a stable synthetic analogue 15(R/S)-methyl-LXA(4) stimulate phagocytosis of exogenously administered excess apoptotic PMN by macrophages (Mphi) in vivo in a classic model of acute inflammation, namely thioglycollate-induced peritonitis. Significant enhancement of phagocytosis in vivo was observed with 15-min exposure to LX and with intraperitoneal doses of LXA(4), LXB4, 15(R/S)-methyl-LXA(4), and 15-epi-LXB4 of 2.5 to 10 mug/kg. Non-phlogistic LX-stimulated phagocytosis by Mphi was sensitive to inhibition of PKC and PI 3-kinase and associated with increased production of transforming growth factor-beta(1) (TGF-beta(1)). LX-stimulated phagocytosis was not inhibited by phosphatidylserine receptor (PSR) antisera and was abolished by prior exposure of Mphi to beta1,3-glucan, suggesting a novel Mphi-PMN recognition mechanism. Interestingly, the recently described peptide agonists of the LXA(4) receptor (MYFINITL and LESI-FRSLLFRVM) stimulated phagocytosis through a process associated with increased TGF-beta(1) release. These data provide the first demonstration that LXA(4), LXB4, ATL, and LX stable analogues rapidly promote Mphi phagocytosis of PMN in vivo and support a role for LX as rapidly acting, proresolution signals in inflammation. Engagement of the LXR by LX generated during cell-cell interactions in inflammation and by endogenous LXR peptide agonists released from distressed cells may be an important stimulus for clearance of apoptotic cells and may be amenable to pharmacologic mimicry for therapeutic gain.

KW - vitronectin receptor

KW - signaling pathways

KW - mesangial cells

KW - A(4) receptors

KW - cutting edge

KW - phosphatidylserine

KW - activation

KW - identification

KW - recognition

KW - responses

U2 - 10.1097/01.ASN.0000032417.73640.72

DO - 10.1097/01.ASN.0000032417.73640.72

M3 - Article

VL - 13

SP - 2497

EP - 2507

JO - Journal of the American Society of Nephrology

JF - Journal of the American Society of Nephrology

SN - 1046-6673

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ER -