2015
DOI: 10.1097/hjh.0000000000000463
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Targeting γ-secretases protect against angiotensin II-induced cardiac hypertrophy

Abstract: The Notch pathway is activated in the vasculature of mice with hypertension and LVH, and its inhibition via inducible genetic γ-secretase deletion protects against both conditions. Preliminary observations in hypertensive patients with LVH support the translational potential of these findings. Moreover, GSI treatment protects wild-type mice from Ang-II-induced LVH without affecting blood pressure. Our results unveil the potential use of GSIs in the treatment of hypertensive patients with LVH.

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Cited by 10 publications
(8 citation statements)
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“…However, the phenotype could involve developmental and/or constitutive suppression of Notch3. In inducible ␥-secretase complex silencing mice, ANG IIinduced blood pressure elevation and left ventricular hypertrophy are both attenuated (871). In addition, it is well recognized that NICD partners with the transcriptional activator Mastermind and a DNA-binding protein, CBF1/Su(H)/Lag2 protein (CSL), targeting the complex to gene promoters containing the consensus motif GTGGGAA, for transcriptional activation.…”
Section: Notch Pathwaymentioning
confidence: 99%
“…However, the phenotype could involve developmental and/or constitutive suppression of Notch3. In inducible ␥-secretase complex silencing mice, ANG IIinduced blood pressure elevation and left ventricular hypertrophy are both attenuated (871). In addition, it is well recognized that NICD partners with the transcriptional activator Mastermind and a DNA-binding protein, CBF1/Su(H)/Lag2 protein (CSL), targeting the complex to gene promoters containing the consensus motif GTGGGAA, for transcriptional activation.…”
Section: Notch Pathwaymentioning
confidence: 99%
“…AT1 receptor stimulates Notch signaling pathway through an increase of γ-secretase enzymatic activity, mediating VSMCs proliferation and migration (143). Notch inhibition or γ-secretase complex silencing in mice attenuates hypertension induced by AngII (144, 145). Notch3 −/− mice show attenuated renal vascular constriction, vessel wall thickening and hypertension induced by AngII.…”
Section: Cascades Of Wnt Notch Hippo and Mitochondriamentioning
confidence: 99%
“…To test whether Notch pathway activity is necessary for the growth of EGFR-driven tumors, we treated EGFR T790M/L858R mice with doxycycline for 8 weeks to induce tumor formation, and then randomly assigned them to 3 groups: (i) control group, treated with vehicle and IgG antibody control; (ii) GSI group, treated with dibenzazepine (DBZ), a potent and selective GSI; and (iii) anti-NRR1/NRR3 group, treated with blocking antibodies against NOTCH1 and NOTCH3, according to previously described treatment regimens (25)(26)(27). After 5 weeks of treatment, tumors represented more than 40% of the lung area in the control group, but only 20% and 10% in the DBZ and anti-NRR1/NRR3 groups, respectively ( Figure 1C).…”
Section: Introductionmentioning
confidence: 99%