Your browser doesn't support javascript.
loading
Are statins a risk factor in patients with atherosclerosis? / ¿Son las estatinas un factor de riesgo en pacientes con aterosclerosis?
Andrejic-Visnjic, Bojana; Samardzija, Golub; Bosanac, Milana; Pantic, Teodora; Kolarov-Bjelobrk, Ivana; Radic, Jelena; Ilic-Sabo, Jelena; Amidzic, Jelena; Gvozdenovic, Nemanja.
  • Andrejic-Visnjic, Bojana; University of Novi Sad. Faculty of Medicine. Department of Histology and Embryology. Novi Sad. RS
  • Samardzija, Golub; University of Novi Sad. Faculty of Medicine. Department of Pathology. Novi Sad. RS
  • Bosanac, Milana; University of Novi Sad. Faculty of Medicine. Department of Histology and Embryology. Novi Sad. RS
  • Pantic, Teodora; Institute for Cardiovascular Diseases of Vojvodina. Sremska Kamenica. RS
  • Kolarov-Bjelobrk, Ivana; University of Novi Sad. Faculty of Medicine. Department of Internal Medicine. Novi Sad. RS
  • Radic, Jelena; University of Novi Sad. Faculty of Medicine. Department of Internal Medicine. Novi Sad. RS
  • Ilic-Sabo, Jelena; University of Novi Sad. Faculty of Medicine. Department of Histology and Embryology. Novi Sad. RS
  • Amidzic, Jelena; University of Novi Sad. Faculty of Medicine. Department of Histology and Embryology. Novi Sad. RS
  • Gvozdenovic, Nemanja; Clinical center of Vojvodina. Clinic for Orthopedic Surgery and Traumatology. Novi Sad. RS
Int. j. morphol ; 40(5): 1236-1241, 2022. ilus, tab
Article in English | LILACS | ID: biblio-1405279
ABSTRACT

SUMMARY:

Statins inhibit cholesterol synthesis, but also have other pleiotropic effects. There are indications that they affect macrophage survival trough the regulation of apoptosis. We analyzed 50 samples of aortic wall, selected based on statins in patients' therapy (n=25, Th-S group) or statin-free therapy (n=25, Th-nonS group). Each group had 5 samples of healthy aortic tissue, 10 samples of mild and 10 samples of severe atherosclerotic changes in aortic wall. Tissue was stained with hematoxylin-eosin and immunohistochemical methods (anti-Bcl-2 antibody). Presence of Bcl2-positive macrophages (Bcl-2+ MP) was determined semiquantitatively, and data were processed in Microsoft Excell and IMB SPSS 23 Statistics. 60 % of patients in the Th-S group had a mild increase of Bcl-2+ MP The use of statins leads to a significantly more frequent increase in Bcl2+ macrophages in the intima of the healthy aortic tissue. Analysis of all aortic samples with pathohistological diagnosis showed that statin therapy was statistically significantly more often leading to a markedly increased presence of Bcl-2+ MP. In the media, all samples of the Th-S group have a mild increase of Bcl-2+ MP, and in adventitia 40 % of patients. The use of statins more often leads to a markedly increased presence of Bcl-2+ MP in aortic tissue with diagnosed mild and severe atherosclerosis. In samples of severe atherosclerosis, statins lead to a markedly increased presence of Bcl-2+ MP in the parts of the plaque towards the intima and towards the media. Statins lead to an increased presence of Bcl-2+ macrophages, prolong their life, both in healthy and atherosclerotic altered aortic tissue. This indicates potentiation of inflammation and damage to the aortic wall, and calls into question the positive effect of statins on the aortic wall with atherosclerosis.
RESUMEN
RESUMEN Las estatinas inhiben la síntesis de colesterol, pero también tienen otros efectos pleiotrópicos. Hay indicios de que afectan la supervivencia de los macrófagos a través de la regulación de la apoptosis.Se analizaron 50 muestras de pared aórtica, seleccionadas en base a estatinas en tratamiento de pacientes (n=25, grupo Th-S) o en tratamiento libre de estatinas (n=25, grupo Th- nonS). Cada grupo tenía 5 muestras de tejido aórtico sano, 10 muestras de cambios ateroscleróticos leves y 10 muestras de cambios ateroscleróticos severos en la pared aórtica. El tejido se tiñó con hematoxilina-eosina y métodos inmunohistoquímicos (anticuerpo anti-Bcl-2). La presencia de macrófagos positivos para Bcl2 (Bcl- 2+ MP) se determinó semicuantitativamente y los datos se procesaron en Microsoft Excell e IMB SPSS 23 Statistics. El 60 % de los pacientes del grupo Th-S tuvo un aumento leve de Bcl-2+ MP. El uso de estatinas conduce a un aumento significativamente más frecuente de macrófagos Bcl2+ en la íntima del tejido aórtico sano. El análisis de todas las muestras aórticas con diagnóstico anatomopatológico mostró que la terapia con estatinas fue significativamente más frecuente desde el punto de vista estadístico, lo que condujo a una presencia marcadamente mayor de Bcl-2+ MP. En los medios, todas las muestras del grupo Th-S tienen un leve aumento de Bcl-2+ MP, y en adventicia en el 40 % de los pacientes. El uso de estatinas con mayor frecuencia conduce a una presencia marcadamente mayor de MP Bcl-2+ en el tejido aórtico con aterosclerosis leve y grave diagnosticada. En muestras de aterosclerosis severa, las estatinas conducen a una presencia aumentada de Bcl-2+ MP en las partes de la placa hacia la íntima y hacia la media. Las estatinas conducen a una mayor presencia de macrófagos Bcl-2+, prolongan su vida, tanto en tejido aórtico sano como aterosclerótico alterado. Esto indica la potenciación de la inflamación y el daño a la pared aórtica y pone en duda el efecto positivo de las estatinas en la pared aórtica con aterosclerosis.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Hydroxymethylglutaryl-CoA Reductase Inhibitors / Atherosclerosis Type of study: Etiology study / Risk factors Limits: Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2022 Type: Article Affiliation country: Argentina Institution/Affiliation country: Clinical center of Vojvodina/RS / Institute for Cardiovascular Diseases of Vojvodina/RS / University of Novi Sad/RS

Similar

MEDLINE

...
LILACS

LIS


Full text: Available Index: LILACS (Americas) Main subject: Hydroxymethylglutaryl-CoA Reductase Inhibitors / Atherosclerosis Type of study: Etiology study / Risk factors Limits: Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2022 Type: Article Affiliation country: Argentina Institution/Affiliation country: Clinical center of Vojvodina/RS / Institute for Cardiovascular Diseases of Vojvodina/RS / University of Novi Sad/RS