Targeted disruption of PDE3B, but not PDE3A, protects murine heart from ischemia/reperfusion injury

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Targeted disruption of PDE3B, but not PDE3A, protects murine heart from ischemia/reperfusion injury.

Although inhibition of cyclic nucleotide phosphodiesterase type 3 (PDE3) has been reported to protect rodent heart against ischemia/reperfusion (I/R) injury, neither the specific PDE3 isoform involved nor the underlying mechanisms have been identified. Targeted disruption of PDE3 subfamily B (PDE3B), but not of PDE3 subfamily A (PDE3A), protected mouse heart from I/R injury in vivo and in vitro...

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Targeted disruption of the murine zyxin gene.

Zyxin is an evolutionarily conserved protein that is concentrated at sites of cell adhesion, where it associates with members of the Enabled (Ena)/vasodilator-stimulated phosphoprotein (VASP) family of cytoskeletal regulators and is postulated to play a role in cytoskeletal dynamics and signaling. Zyxin transcripts are detected throughout murine embryonic development, and the protein is widely ...

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Iodide Protects Heart Tissue from Reperfusion Injury

Iodine is an elemental nutrient that is essential for mammals. Here we provide evidence for an acute therapeutic role for iodine in ischemia reperfusion injury. Infusion of the reduced form, iodide, but not the oxidized form iodate, reduces heart damage by as much as 75% when delivered intravenously following temporary loss of blood flow but prior to reperfusion of the heart in a mouse model of...

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Targeted focal adhesion kinase activation in cardiomyocytes protects the heart from ischemia/reperfusion injury.

OBJECTIVE We previously reported that cardiac-restricted deletion of focal adhesion kinase (FAK) exacerbated myocyte death following ischemia/reperfusion (I/R). Here, we interrogated whether targeted elevation of myocardial FAK activity could protect the heart from I/R injury. METHODS AND RESULTS Transgenic mice were generated with myocyte-specific expression of a FAK variant (termed SuperFAK...

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Targeted disruption of Hsp110/105 gene protects against ischemic stress.

BACKGROUND AND PURPOSE Hsp110/105 belongs to the HSP110 heat shock protein family, which is a subgroup of the HSP70 family. In mammals, Hsp110/105 is constitutively expressed but exhibits particularly high levels in the brain. It has recently been shown that both Hsp110/105 and Hsp70 are elevated after cerebral ischemia. To study the physiological role of this protein in vivo, we generated hsp1...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 2015

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.1416230112