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Effects of androgens and estrogens on sirtuin 1 gene expression in human aortic endothelial cells.

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  • معلومة اضافية
    • المصدر:
      Publisher: Medical Services Department, Saudi Arabian Armed Forces, Ministry Of Defence And Aviation Country of Publication: Saudi Arabia NLM ID: 7909441 Publication Model: Print Cited Medium: Internet ISSN: 1658-3175 (Electronic) Linking ISSN: 03795284 NLM ISO Abbreviation: Saudi Med J Subsets: MEDLINE
    • بيانات النشر:
      Publication: Riyadh : Medical Services Department, Saudi Arabian Armed Forces, Ministry Of Defence And Aviation
      Original Publication: Riyadh, Saudi Arabia, Riyadh Al-Kharj Hospital Programme.
    • الموضوع:
      Androgens/*pharmacology ; Aorta/*cytology ; Endothelial Cells/*metabolism ; Estrogens/*pharmacology ; Gene Expression/*drug effects ; Sirtuin 1/*genetics ; Sirtuin 1/*metabolism; Androstenedione/pharmacology ; Cells, Cultured ; Dehydroepiandrosterone/pharmacology ; Dose-Response Relationship, Drug ; Estradiol/pharmacology ; Estriol/pharmacology ; Estrone/pharmacology ; Glucose/pharmacology ; Humans ; Real-Time Polymerase Chain Reaction ; Testosterone/pharmacology
    • نبذة مختصرة :
      Objectives: To investigate the effect of androgens and estrogens on surtuin 1 (SIRT1) expression in human aortic endothelial cells (HAECs).
      Methods: Real-time polymerase chain reaction analysis of SIRT-1 expression over 48 hours (h) was performed in HAECs treated with various concentrations of dehydroepiandrostendione (DHEA), androstenedione and testosterone (androgens), estrone (E1), estradiol (E2), and estriol (E3) (estrogens) to investigate the dose-dependency of time courses. The influence of high glucose on SIRT1 expression induced by the androgens and estrogens was also examined.
      Results: Dehydroepiandrostendione, androstenedione, and testosterone remarkedly produced a dose-dependent increase in SIRT1 expression in the range of 10 to 20 μg/ml. High glucose (40mM) medium had significantly inhibitory effects on 10 μg/ml DHEA-induced SIRT1 expression (p=0.024). Estrone and E2, but not E3, caused a marked dose-dependent increase in SIRT1 expression from 10 to 20 μg/ml. Treatment with 20 mM or 40 mM glucose medium did not significantly inhibit E1- and E3-induced SIRT1 expression in control medium; however, both high glucose mediums significantly emphasized E2-induced SIRT1 expression in control medium (p=0.007, p=0.005).
      Conclusion: These results suggest that DHEA, androstenedione, testosterone, E1, and E2 definitely activate SIRT1 expression in HAECs. A high glucose medium is potent to inhibit the basal gene expression; however, it could not reduce powerful androgen- and estrogen-induced SIRT1 expression in HAECs.
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    • الرقم المعرف:
      0 (Androgens)
      0 (Estrogens)
      2DI9HA706A (Estrone)
      3XMK78S47O (Testosterone)
      409J2J96VR (Androstenedione)
      459AG36T1B (Dehydroepiandrosterone)
      4TI98Z838E (Estradiol)
      EC 3.5.1.- (SIRT1 protein, human)
      EC 3.5.1.- (Sirtuin 1)
      FB33469R8E (Estriol)
      IY9XDZ35W2 (Glucose)
    • الموضوع:
      Date Created: 20200416 Date Completed: 20210412 Latest Revision: 20210412
    • الموضوع:
      20250114
    • الرقم المعرف:
      PMC7841601
    • الرقم المعرف:
      10.15537/smj.2020.4.25006
    • الرقم المعرف:
      32291422