Monascus Adlay and Monacolin K Attenuates Arterial Thrombosis in Rats through the Inhibition of ICAM-1 and Oxidative Stress

An Jan Tien, Tsung Hung Chueh, Chih Ping Hsia, Chiang Ting Chien

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Background/Aims: Monascus Adlay (MA) prepared from fungal fermentation of Monascus purpureus inoculating with cooked adlay contains high content of monakolin K (MK) and phenolic compounds. We explored whether MA and MK improve FeCl3-induced arterial thrombosis in rats. Methods: The rats were divided into control, FeCl3-treated rat carotid artery occlusion (TTO), TTO determined with one-week MA, and TTO determined with one-week MK. We compared MA or MK effects on oxidative stress by chemiluminescence amplification and immunohistochemistry, TTO by a transonic system, NFκB, ICAM-1, endoplasmic reticulum stress CHOP and Nrf2 signaling by western blotting. Results: MA or MK efficiently depressed O2-, H2O2 and HOCl levels, platelet activation and aggregation and H2O2-enhanced ICAM-1 and VCAM-1 expression in the endothelial cells. FeCl3 significantly increased NFκB p65, 3-nitrotyrosine, CHOP and ICAM-1 expression, and decreased nuclear Nrf2 translocation and induces arterial thrombus formation. MA or MK pretreatment significantly elongated the level of FeCl3-induced TTO compared to TTO group, significantly decreased proinflammatory NF-κB/ICAM-1 signaling, endoplasmic reticulum stress CHOP expression and decreased thrombotic area. MA or MK significantly preserved nuclear Nrf2 translocation. MA and MK exerted a similar protective effect in attenuating thrombus formation. Conclusions: We suggest MA is better than MK to improve FeCl3-induced arterial thrombosis.

Original languageEnglish
Pages (from-to)815-827
Number of pages13
JournalKidney and Blood Pressure Research
Volume41
Issue number6
DOIs
Publication statusPublished - 2016 Dec 1

Fingerprint

Monascus
Lovastatin
Intercellular Adhesion Molecule-1
Oxidative Stress
Thrombosis
Endoplasmic Reticulum Stress
Vascular Cell Adhesion Molecule-1
Platelet Activation
Luminescence
Platelet Aggregation
Carotid Arteries
Fermentation
Endothelial Cells

Keywords

  • Arterial thrombosis
  • ICAM-1
  • Monacolin K
  • Monascus Adlay
  • Platelet
  • Reactive oxygen species

ASJC Scopus subject areas

  • Nephrology
  • Cardiology and Cardiovascular Medicine

Cite this

Monascus Adlay and Monacolin K Attenuates Arterial Thrombosis in Rats through the Inhibition of ICAM-1 and Oxidative Stress. / Tien, An Jan; Chueh, Tsung Hung; Hsia, Chih Ping; Chien, Chiang Ting.

In: Kidney and Blood Pressure Research, Vol. 41, No. 6, 01.12.2016, p. 815-827.

Research output: Contribution to journalArticle

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N2 - Background/Aims: Monascus Adlay (MA) prepared from fungal fermentation of Monascus purpureus inoculating with cooked adlay contains high content of monakolin K (MK) and phenolic compounds. We explored whether MA and MK improve FeCl3-induced arterial thrombosis in rats. Methods: The rats were divided into control, FeCl3-treated rat carotid artery occlusion (TTO), TTO determined with one-week MA, and TTO determined with one-week MK. We compared MA or MK effects on oxidative stress by chemiluminescence amplification and immunohistochemistry, TTO by a transonic system, NFκB, ICAM-1, endoplasmic reticulum stress CHOP and Nrf2 signaling by western blotting. Results: MA or MK efficiently depressed O2-, H2O2 and HOCl levels, platelet activation and aggregation and H2O2-enhanced ICAM-1 and VCAM-1 expression in the endothelial cells. FeCl3 significantly increased NFκB p65, 3-nitrotyrosine, CHOP and ICAM-1 expression, and decreased nuclear Nrf2 translocation and induces arterial thrombus formation. MA or MK pretreatment significantly elongated the level of FeCl3-induced TTO compared to TTO group, significantly decreased proinflammatory NF-κB/ICAM-1 signaling, endoplasmic reticulum stress CHOP expression and decreased thrombotic area. MA or MK significantly preserved nuclear Nrf2 translocation. MA and MK exerted a similar protective effect in attenuating thrombus formation. Conclusions: We suggest MA is better than MK to improve FeCl3-induced arterial thrombosis.

AB - Background/Aims: Monascus Adlay (MA) prepared from fungal fermentation of Monascus purpureus inoculating with cooked adlay contains high content of monakolin K (MK) and phenolic compounds. We explored whether MA and MK improve FeCl3-induced arterial thrombosis in rats. Methods: The rats were divided into control, FeCl3-treated rat carotid artery occlusion (TTO), TTO determined with one-week MA, and TTO determined with one-week MK. We compared MA or MK effects on oxidative stress by chemiluminescence amplification and immunohistochemistry, TTO by a transonic system, NFκB, ICAM-1, endoplasmic reticulum stress CHOP and Nrf2 signaling by western blotting. Results: MA or MK efficiently depressed O2-, H2O2 and HOCl levels, platelet activation and aggregation and H2O2-enhanced ICAM-1 and VCAM-1 expression in the endothelial cells. FeCl3 significantly increased NFκB p65, 3-nitrotyrosine, CHOP and ICAM-1 expression, and decreased nuclear Nrf2 translocation and induces arterial thrombus formation. MA or MK pretreatment significantly elongated the level of FeCl3-induced TTO compared to TTO group, significantly decreased proinflammatory NF-κB/ICAM-1 signaling, endoplasmic reticulum stress CHOP expression and decreased thrombotic area. MA or MK significantly preserved nuclear Nrf2 translocation. MA and MK exerted a similar protective effect in attenuating thrombus formation. Conclusions: We suggest MA is better than MK to improve FeCl3-induced arterial thrombosis.

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