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PPARa and cardiomyocytes

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https://www.readbyqxmd.com/read/30031228/laz3-protects-cardiac-remodeling-in-diabetic-cardiomyopathy-via-regulating-mir-21-ppara-signaling
#1
Lu Gao, Yuan Liu, Sen Guo, Lili Xiao, Leiming Wu, Zheng Wang, Cui Liang, Rui Yao, Yanzhou Zhang
Diabetes contributes to cardiovascular complications and the pathogenesis of cardiac remodeling that can lead to heart failure. We aimed to evaluate the functional role of LAZ3 in diabetic cardiomyopathy (DCM). Streptozotocin (STZ) was used to induce a diabetic mouse model. Three months after induction, the mice were subjected to retro-orbital venous plexus injection of adeno-associated virus 9 (AAV9) that overexpressed LAZ3. Six weeks after the infection, mouse hearts were removed to assess the degree of cardiac remodeling...
July 18, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/26649034/aicar-protects-against-high-palmitate-high-insulin-induced-intramyocellular-lipid-accumulation-and-insulin-resistance-in-hl-1-cardiac-cells-by-inducing-ppar-target-gene-expression
#2
Ricardo Rodríguez-Calvo, Manuel Vázquez-Carrera, Luis Masana, Dietbert Neumann
Here we studied the impact of 5-aminoimidazole-4-carboxamide riboside (AICAR), a well-known AMPK activator, on cardiac metabolic adaptation. AMPK activation by AICAR was confirmed by increased phospho-Thr(172)-AMPK and phospho-Ser(79)-ACC protein levels in HL-1 cardiomyocytes. Then, cells were exposed to AICAR stimulation for 24 h in the presence or absence of the AMPK inhibitor Compound C, and the mRNA levels of the three PPARs were analyzed by real-time RT-PCR. Treatment with AICAR induced gene expression of all three PPARs, but only the Ppara and Pparg regulation were dependent on AMPK...
2015: PPAR Research
https://www.readbyqxmd.com/read/26518651/cardiomyocyte-specific-expression-of-acyl-coa-thioesterase-1-attenuates-sepsis-induced-cardiac-dysfunction-and-mortality
#3
Congying Xia, Ruolan Dong, Chen Chen, Hong Wang, Dao Wen Wang
Compromised cardiac fatty acid oxidation (FAO) induced energy deprivation is a critical cause of cardiac dysfunction in sepsis. Acyl-CoA thioesterase 1 (ACOT1) is involved in regulating cardiac energy production via altering substrate metabolism. This study aims to clarify whether ACOT1 has a potency to ameliorate septic myocardial dysfunction via enhancing cardiac FAO. Transgenic mice with cardiomyocyte specific expression of ACOT1 (αMHC-ACOT1) and their wild type (WT) littermates were challenged with Escherichia coli lipopolysaccharide (LPS; 5 mg/kg i...
December 25, 2015: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/25351189/impact-of-di-ethylhexylphthalate-exposure-on-metabolic-programming-in-p19-ecc-derived-cardiomyocytes
#4
Kristina Schaedlich, Juliane-Susanne Schmidt, Wing Yee Kwong, Kevin D Sinclair, Randy Kurz, Heinz-Georg Jahnke, Bernd Fischer
Di(2-ethylhexyl)phthalate (DEHP) is the most common plasticizer in plastic devices of everyday use. It is a ubiquitous environmental contaminant and primarily known to impair male gonadal development and fertility. Studies concerning the long-term effects of prenatal DEHP exposure on certain diseases [The Developmental Origins of Health and Disease paradigm (DOHaD) hypothesis] are scarce although it is proven that DEHP crosses the placenta. Rising environmental pollution during the last centuries coincides with an increasing prevalence of cardiovascular and metabolic diseases...
July 2015: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/21430558/association-of-the-peroxisome-proliferator-activated-receptor-%C3%AE-gene-l162v-polymorphism-with-stage-c-heart-failure
#5
Teresa Arias, Javier Beaumont, Begoña López, Guillermo Zalba, Oscar Beloqui, Joaquín Barba, Félix Valencia, Juan José Gómez-Doblas, Eduardo De Teresa, Javier Díez
OBJECTIVE: To analyze whether genetic variants of PPARA are associated with the development of stage C heart failure. METHODS: We analyzed the distribution of the rs1800206, rs4253778 and rs135551 polymorphisms in genomic DNA extracted from peripheral blood cells of 534 patients in different heart failure stages and 63 healthy individuals. The mRNA expression of the peroxisome proliferator-activated receptor (PPAR)α target genes long-chain 3-hydroxyacyl-CoA dehydrogenase (LCHAD) and medium-chain acyl-CoA dehydrogenase (MCAD) was measured in myocardial biopsies of a subgroup of stage B and C patients...
May 2011: Journal of Hypertension
https://www.readbyqxmd.com/read/15985699/the-selected-pathophysiological-aspects-of-ppars-activation
#6
REVIEW
B Kieć-Wilk, A Dembińska-Kieć, A Olszanecka, M Bodzioch, K Kawecka-Jaszcz
Peroxisome proliferator activated receptors (PPARs) belong to a subfamily of transcription nuclear factors. Three isoforms of PPARs have been identified: alpha, beta/delta and gamma, encoded by different genes and distributed in various tissues. They play important roles in metabolic processes like regulation of glucose and lipid redistribution. They also have anti-atherogenic, anti-inflammatory as well as anti-hypertensive functions. In hypertension-induced cardiac hypertrophy, both PPARa and PPARg activation reveal cardio-protective effect...
June 2005: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
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