Abstract:
:Metabolic syndrome based on insulin resistance (IR) and hypertension is a risk factor for advanced liver disease and cardiovascular disease in patients with nonalcoholic steatohepatitis (NASH). The present study investigated the effects of severe hypertension induced by a high‑salt (HS) diet and antihypertensive therapy on the pathophysiological condition of spontaneously hypertensive rats (SHRs) with steatohepatitis. Steatohepatitis was induced using a choline-deficient, L-amino acid-defined diet (CDAA). Male SHRs (7‑week‑old) were randomly divided into five groups: Those receiving 6 weeks of standard chow with a normal salt concentration, followed by an additional 8 weeks of standard chow or CDAA with a normal salt concentration (control and CDAA groups, respectively); and those receiving 6 weeks of standard chow with HS, followed by CDAA with HS for an additional 8 weeks, with or without the antihypertensive agents, amlodipine (Aml) or hydralazine. In the CDAA and CDAA+HS groups, blood pressure was significantly correlated with serum levels of insulin, fasting blood glucose and homeostasis model assessment (HOMA)‑IR. Antihypertensive therapy ameliorated the elevated glucose, insulin and HOMA‑IR. Furthermore, the increased levels of serum interleukin (IL)‑6 following the CDAA+HS diet were attenuated by antihypertensive therapy. The serum levels of IL‑10 were increased by antihypertensive therapy, and the decrease in the proportion of splenic CD4+CD25+forkhead box P3+ T cells observed following the CDAA+HS diet tended to be restored by Aml. In conclusion, antihypertensive therapy improved glucose metabolism and imbalances in cytokine expression in the rat model of hypertension with steatohepatitis, suggesting that antihypertensive therapy acting through immunological factors may be beneficial for patients with metabolic syndrome-associated NASH.
journal_name
Mol Med Repjournal_title
Molecular medicine reportsauthors
Kozono M,Uto H,Ibusuki R,Arima S,Oda K,Taguchi H,Sasaki F,Nasu Y,Hashimoto S,Setoyama H,Kanmura S,Numata M,Tsubouchi H,Ido Adoi
10.3892/mmr.2016.5875subject
Has Abstractpub_date
2016-12-01 00:00:00pages
5385-5394issue
6eissn
1791-2997issn
1791-3004journal_volume
14pub_type
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