Results 21 to 30 of about 1,441,839 (397)

Intense myocyte formation from cardiac stem cells in human cardiac hypertrophy [PDF]

open access: yes, 2003
It is generally believed that increase in adult contractile cardiac mass can be accomplished only by hypertrophy of existing myocytes. Documentation of myocardial regeneration in acute stress has challenged this dogma and led to the proposition that ...
Anversa P.   +9 more
core   +1 more source

Nuclear Calcium in Cardiac Myocytes [PDF]

open access: yesJournal of Cardiovascular Pharmacology, 2015
Calcium (Ca) is a universal second messenger involved in the regulation of various cellular processes, including electrical signaling, contraction, secretion, memory, gene transcription, and cell death. In heart, Ca governs cardiomyocyte contraction, is central in electrophysiological properties, and controls major signaling pathway implicated in gene ...
Ljubojevic, Senka, Bers, Donald M
openaire   +4 more sources

Paracrine Effects of FGF23 on the Heart

open access: yesFrontiers in Endocrinology, 2018
Fibroblast growth factor (FGF) 23 is a phosphaturic hormone primarily secreted by osteocytes to maintain phosphate and mineral homeostasis. In patients with and without chronic kidney disease, enhanced circulating FGF23 levels associate with pathologic ...
Maren Leifheit-Nestler, Dieter Haffner
doaj   +1 more source

Depletion of Ca2+ from the sarcoplasmic reticulum of cardiac muscle prompts phosphorylation of phospholamban to stimulate store refilling [PDF]

open access: yes, 1998
Nonmuscle cells have almost ubiquitously evolved a mechanism to detect and prevent Ca(2+) store depletionstore operated calcium entry. No such mechanism has, as yet, been reported in cardiac myocytes.
Bhogal, M.S., Colyer, J.
core   +2 more sources

High-Resolution Mapping of Chromatin Conformation in Cardiac Myocytes Reveals Structural Remodeling of the Epigenome in Heart Failure

open access: yesCirculation, 2017
Background: Cardiovascular disease is associated with epigenomic changes in the heart; however, the endogenous structure of cardiac myocyte chromatin has never been determined.
M. Rosa-Garrido   +16 more
semanticscholar   +1 more source

Silibinin Protects Against Isoproterenol-Induced Rat Cardiac Myocyte Injury Through Mitochondrial Pathway After Up-regulation of SIRT1

open access: yesJournal of Pharmacological Sciences, 2006
Terminally differentiated adult injured cardiac myocytes have been used for various animal models of heart failure. It has recently been shown that isoproterenol induces injury in rat neonatal cardiac myocytes via a β-adrenergic pathway, suggesting that ...
Bei Zhou   +6 more
doaj   +1 more source

C-reactive protein inhibits survivin expression via Akt/mTOR pathway downregulation by PTEN expression in cardiac myocytes. [PDF]

open access: yesPLoS ONE, 2014
C-reactive protein (CRP) is one of the most important biomarkers for arteriosclerosis and cardiovascular disease. Recent studies have shown that CRP affects cell cycle and inflammatory process in cardiac myocytes.
Beom Seob Lee   +8 more
doaj   +1 more source

Modulations of Cardiac Functions and Pathogenesis by Reactive Oxygen Species and Natural Antioxidants

open access: yesAntioxidants, 2021
Homeostasis in the level of reactive oxygen species (ROS) in cardiac myocytes plays a critical role in regulating their physiological functions. Disturbance of balance between generation and removal of ROS is a major cause of cardiac myocyte remodeling ...
Sun-Hee Woo   +4 more
doaj   +1 more source

Engineered Microenvironments for Maturation of Stem Cell Derived Cardiac Myocytes

open access: yesTheranostics, 2018
Through the use of stem cell-derived cardiac myocytes, tissue-engineered human myocardial constructs are poised for modeling normal and diseased physiology of the heart, as well as discovery of novel drugs and therapeutic targets in a human relevant ...
Rachel R. Besser   +5 more
semanticscholar   +1 more source

CaMKII-dependent regulation of cardiac Na(+) homeostasis. [PDF]

open access: yes, 2014
Na(+) homeostasis is a key regulator of cardiac excitation and contraction. The cardiac voltage-gated Na(+) channel, NaV1.5, critically controls cell excitability, and altered channel gating has been implicated in both inherited and acquired arrhythmias.
Grandi, Eleonora, Herren, Anthony W
core   +2 more sources

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