Danshen protects endothelial progenitor cells from oxidized low-density lipoprotein induced impairment.
J Zhejiang Univ Sci B
; 11(8): 618-26, 2010 Aug.
Article
en En
| MEDLINE
| ID: mdl-20669352
ABSTRACT
In this study, we examined the protective effects of Danshen both on endothelial progenitor cells (EPCs) in patients with hypercholesterolemia and on in-vitro EPCs of healthy volunteers. In the clinical study, we randomly divided 24 subjects with hypercholesterolemia into two groups (the control group and the Danshen-treated group). At the end of two weeks of treatment, the EPC cellular functions of both groups were tested. The results indicated that, compared to the control group, EPCs in the Danshen-treated group showed significantly better cellular functions, which was manifested in the cloning number, the proliferation capacity, the number of EPC adhesions, and cell migration. In the subsequent in-vitro experiments, EPCs were treated with vehicle, oxidized low-density lipoprotein (Ox-LDL, 100 microg/ml), or Ox-LDL (100 microg/ml) plus different concentrations of Danshen (Danshensu 2, 10, or 50 microg/ml, respectively) for 24 h. The results showed that Danshen treatments can prevent the detrimental effects of Ox-LDL on EPC cellular functions measured by proliferation capacity (0.24+/-0.08, 0.37+/-0.11, 0.30+/-0.04 vs. 0.13+/-0.02, P<0.05, P<0.01, and P<0.01, respectively), and adhesion ability (63.00+/-11.60, 70.00+/-10.80, 85.50+/-11.41 vs. 40.50+/-6.85, all P<0.01). Compared to the group treated with Ox-LDL alone, Danshen treatment significantly decreased the lipid peroxidation end product malondialdehyde (MDA) [(4.34+/-0.54), (3.98+/-0.47), (3.46+/-0.31) vs. (5.57+/-0.64) nmol/ml, all P<0.01], increased the production of superoxide dismutase (SOD) [(29.74+/-0.71), (31.09+/-0.83), (30.41+/-0.65) vs. (14.76+/-3.99) U/ml, all P<0.01], and lowered the expression of interleukin-6 (IL-6) [(24.62+/-7.69), (27.04+/-3.14), (33.38+/-18.86) vs. (230.67+/-33.53) pg/ml, all P<0.01] and tumor necrosis factor-alpha (TNF-alpha) [(41.72+/-6.10), (17.02+/-6.82), (3.73+/-2.26) vs. (228.71+/-41.53) pg/ml, all P<0.01] in Ox-LDL treated EPCs. These results suggest that Danshen may exert a protective effect through its antioxidant and anti-inflammatory features.
Texto completo:
1
Bases de datos:
MEDLINE
Medicinas Tradicionales:
Medicinas_tradicionales_de_asia
/
Medicina_china
Métodos Terapéuticos y Terapias MTCI:
Terapias_biologicas
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Plantas_medicinales
Asunto principal:
Oxígeno
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Células Madre
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Salvia miltiorrhiza
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Células Endoteliales
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Hipercolesterolemia
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Lipoproteínas LDL
Tipo de estudio:
Diagnostic_studies
Idioma:
En
Revista:
J Zhejiang Univ Sci B
Año:
2010
Tipo del documento:
Article
País de afiliación:
China