| First Author | Shindo T | Year | 2002 |
| Journal | Nat Med | Volume | 8 |
| Issue | 8 | Pages | 856-63 |
| PubMed ID | 12101409 | Mgi Jnum | J:78275 |
| Mgi Id | MGI:2183884 | Doi | 10.1038/nm738 |
| Citation | Shindo T, et al. (2002) Kruppel-like zinc-finger transcription factor KLF5/BTEB2 is a target for angiotensin II signaling and an essential regulator of cardiovascular remodeling. Nat Med 8(8):856-63 |
| abstractText | We recently isolated a Kruppel-like zinc-finger transcription factor 5 (KLF5; also known as BTEB2 and IKLF), which is markedly induced in activated vascular smooth-muscle cells and fibroblasts. Here we describe our analysis of the in vivo function of KLF5 using heterozygous KLF5-knockout mice (Klf5(+/-)). In response to external stress, Klf5(+/-) mice showed diminished levels of arterial-wall thickening, angiogenesis, cardiac hypertrophy and interstitial fibrosis. Also, angiotensin II induced expression of KLF5, which in turn activated platelet-derived growth factor-A (PDGF-A) and transforming growth factor-beta (TGF-beta) expression. In addition, we determined that KLF5 interacted with the retinoic-acid receptor (RAR), that synthetic RAR ligands modulated KLF5 transcriptional activity, and that in vivo administration of RAR ligands affected stress responses in the cardiovascular system in a KLF5-dependent manner. KLF5 thus seems to be a key element linking external stress and cardiovascular remodeling. |
