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Table 5 Peak of developed tension (DT, g/mm2) of left ventricular papillary muscle following positive inotropic stimulation

From: Influence of apocynin on cardiac remodeling in rats with streptozotocin-induced diabetes mellitus

  CTL
(n = 13)
CTL + APO
(n = 13)
DM
(n = 12)
DM + APO
(n = 13)
PP30 9.47 ± 2.36 9.44 ± 1.97 6.73 ± 3.23* 8.27 ± 2.29
[Ca2+]o 2.5 mM 8.61 ± 2.14 8.95 ± 1.87 6.28 ± 2.94* 7.60 ± 2.11
Iso 10−6 M 7.79 ± 2.32 7.86 ± 1.63 5.62 ± 2.61* 6.54 ± 2.06
  1. Data are expressed as mean ± standard deviation
  2. CTL control, CTL + APO control treated with apocynin, DM diabetes mellitus, DM + APO diabetes mellitus treated with apocynin, PP30 30-s post-rest contraction, [Ca2+] o 2.5 mM extracellular calcium concentration, Iso 10−6 M β-adrenergic agonist isoproterenol addition to the nutrient solution
  3. * p < 0.05 vs CTL