Abstract
Background: Thromboangiitis obliterans (TAO), or Buerger’s disease, is an inflammatory occlusive disorder that affects the limb arteries of young smokers. In the aetiology of TAO the immune system appears to play a critical role; however, information on the aspects involved in the evolution of vascular tissue inflammation and of this disease are still limited.
Objective: This study was carried out to investigate HMGB-1 (high mobility group box-1), MMP (matrix metalloproteinase)- 2, MMP-9, MMP-11 and ICAM (intercellular adhesion molecule)-1 circulating levels in subjects with Buerger’s disease.
Methods: Between January 2010 and December 2012, eight patients underwent surgical revascularization of the lower limbs and a specimen of the affected arterial wall was obtained for histological confirmation of Buerger’s disease. A blood sample was collected on the same day for measuring HMGB-1, MMP-3, MMP-9 and ICAM-1 by western blot analysis. Controls (n=7) were healthy non-smokers.
Results: TAO subjects had a significant increase in HMGB-1, MMP-9 and ICAM-1 compared with controls (P<.0001), while no differences were observed in MMP-2 and MMP-11 levels. Histology confirmed a strong inflammatory infiltrate with signs of necrosis in the arterial wall.
Conclusion: These data suggest a role for HMGB -1 in the vascular lesions associated with TAO, unveiling HMGB-1 as a potential target for treating this rare disease.
Keywords: Buerger’s disease, MMPs, HMGB-1, surgical revascularization.
Current Vascular Pharmacology
Title:Increased Serum HMGB-1, ICAM-1 and Metalloproteinase-9 Levels in Buerger’s Patients
Volume: 14 Issue: 4
Author(s): Giovanni De Caridi, Alessandra Bitto, Mafalda Massara, Giovanni Pallio, Gabriele Pizzino, Raffaele Serra, Domenica Altavilla, Francesco Squadrito and Francesco Spinelli
Affiliation:
Keywords: Buerger’s disease, MMPs, HMGB-1, surgical revascularization.
Abstract: Background: Thromboangiitis obliterans (TAO), or Buerger’s disease, is an inflammatory occlusive disorder that affects the limb arteries of young smokers. In the aetiology of TAO the immune system appears to play a critical role; however, information on the aspects involved in the evolution of vascular tissue inflammation and of this disease are still limited.
Objective: This study was carried out to investigate HMGB-1 (high mobility group box-1), MMP (matrix metalloproteinase)- 2, MMP-9, MMP-11 and ICAM (intercellular adhesion molecule)-1 circulating levels in subjects with Buerger’s disease.
Methods: Between January 2010 and December 2012, eight patients underwent surgical revascularization of the lower limbs and a specimen of the affected arterial wall was obtained for histological confirmation of Buerger’s disease. A blood sample was collected on the same day for measuring HMGB-1, MMP-3, MMP-9 and ICAM-1 by western blot analysis. Controls (n=7) were healthy non-smokers.
Results: TAO subjects had a significant increase in HMGB-1, MMP-9 and ICAM-1 compared with controls (P<.0001), while no differences were observed in MMP-2 and MMP-11 levels. Histology confirmed a strong inflammatory infiltrate with signs of necrosis in the arterial wall.
Conclusion: These data suggest a role for HMGB -1 in the vascular lesions associated with TAO, unveiling HMGB-1 as a potential target for treating this rare disease.
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Cite this article as:
De Caridi Giovanni, Bitto Alessandra, Massara Mafalda, Pallio Giovanni, Pizzino Gabriele, Serra Raffaele, Altavilla Domenica, Squadrito Francesco and Spinelli Francesco, Increased Serum HMGB-1, ICAM-1 and Metalloproteinase-9 Levels in Buerger’s Patients, Current Vascular Pharmacology 2016; 14 (4) . https://dx.doi.org/10.2174/1570161114666160303111355
DOI https://dx.doi.org/10.2174/1570161114666160303111355 |
Print ISSN 1570-1611 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6212 |
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