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Mostrando 1-30 of 521 resultados for "

03777

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Liang Shi et al.
Chemico-biological interactions, 221, 35-41 (2014-08-06)
Caffeine is commonly utilized to trigger intracellular calcium in cardiomyocyte. It is well accepted that caffeine could induce cardiac arrhythmia, but it is not clear with regard of its impacts on the cardiac function. This article presents a recent study
Takashi Nakamura et al.
Journal of cell science, 127(Pt 24), 5261-5272 (2014-10-26)
The basal layer of the epidermis contains stem cells and transit amplifying cells that rapidly proliferate and differentiate further into the upper layers of the epidermis. A number of molecules have been identified as regulators of this process, including p63
Takahiko Chimura et al.
PloS one, 10(4), e0125119-e0125119 (2015-04-24)
The level of drebrin, an evolutionarily conserved f-actin-binding protein that regulates synaptic structure and function, is reduced in the brains of patients with chronic neurodegenerative diseases such as Alzheimer's disease (AD) and Down's syndrome (DS). It was suggested that excitotoxic
Yang Chen et al.
Biochimica et biophysica acta, 1853(2), 396-408 (2014-12-03)
Inflammasomes play a critical role in the development of vascular diseases. However, the molecular mechanisms activating the inflammasome in endothelial cells and the relevance of this inflammasome activation is far from clear. Here, we investigated the mechanisms by which an
Kimbell L Hetzler et al.
Biochimica et biophysica acta, 1852(5), 816-825 (2015-01-04)
A devastating aspect of cancer cachexia is severe loss of muscle and fat mass. Though cachexia occurs in both sexes, it is not well-defined in the female. The Apc(Min/+) mouse is genetically predisposed to develop intestinal tumors; circulating IL-6 is
Ettickan Boopathi et al.
American journal of physiology. Cell physiology, 307(6), C542-C553 (2014-07-18)
Partial bladder outlet obstruction (pBOO)-induced remodeling of bladder detrusor smooth muscle (DSM) is associated with the modulation of cell signals regulating contraction. We analyzed the DSM from obstructed murine urinary bladders for the temporal regulation of RhoA GTPase and Rho-activated
Yuan Pan et al.
Cellular and molecular life sciences : CMLS, 72(4), 833-843 (2014-08-22)
Hyperpolarization-activated cyclic nucleotide-gated 1 (HCN1) channels carry Ih, which contributes to neuronal excitability and signal transmission in the nervous system. Controlling the trafficking of HCN1 is an important aspect of its regulation, yet the details of this process are poorly
Nivedita Roy et al.
PloS one, 9(10), e110843-e110843 (2014-10-21)
Calcium is an ubiquitous cellular signaling molecule that controls a variety of cellular processes and is strictly maintained in the cellular compartments by the coordination of various Ca2+ pumps and channels. Two such fundamental calcium pumps are plasma membrane calcium
Deepak Adhikari et al.
The Journal of cell biology, 206(7), 843-853 (2014-09-24)
In mitosis, the Greatwall kinase (called microtubule-associated serine/threonine kinase like [Mastl] in mammals) is essential for prometaphase entry or progression by suppressing protein phosphatase 2A (PP2A) activity. PP2A suppression in turn leads to high levels of Cdk1 substrate phosphorylation. We
Amritlal Mandal et al.
Experimental eye research, 132, 52-58 (2015-01-20)
Exposure to hyposmotic solution causes release of ATP from lens cells via hemichannels. Because hemichannel opening feasibly could swamp the cells with calcium, we carried out studies to measure the magnitude of the increase in cytoplasmic calcium concentration caused by
Wang-Xia Wang et al.
Experimental neurology, 265, 84-93 (2015-01-07)
Traumatic brain injury (TBI) is a major cause of death and disability. However, the molecular events contributing to the pathogenesis are not well understood. Mitochondria serve as the powerhouse of cells, respond to cellular demands and stressors, and play an
Congshan Sun et al.
BMC developmental biology, 15, 3-3 (2015-01-23)
Dietary interventions during pregnancy alter offspring fitness. We have shown mouse maternal low protein diet fed exclusively for the preimplantation period (Emb-LPD) before return to normal protein diet (NPD) for the rest of gestation, is sufficient to cause adult offspring
Shabarish Thatipamula et al.
Neurobiology of disease, 75, 15-30 (2015-01-03)
Neonatal hypoxic-ischemic (HI) brain injury is a leading cause of mortality and morbidity in infants and children for which there is no promising therapy at present. Previously, we reported induction of neuronal pentraxin 1 (NP1), a novel neuronal protein of
Hao Wu et al.
Nature protocols, 11(6), 1081-1100 (2016-05-14)
A complete understanding of the function of the ten-eleven translocation (TET) family of dioxygenase-mediated DNA demethylation requires new methods to quantitatively map oxidized 5-methylcytosine (5mC) bases at high resolution. We have recently developed a methylase-assisted bisulfite sequencing (MAB-seq) method that
Frida Loría et al.
Neurobiology of disease, 76, 1-12 (2015-01-03)
Friedreich's ataxia (FA) is a recessive, predominantly neurodegenerative disorder caused in most cases by mutations in the first intron of the frataxin (FXN) gene. This mutation drives the expansion of a homozygous GAA repeat that results in decreased levels of
Douglas Ganini et al.
Cell chemical biology, 25(4), 413-425 (2018-02-06)
Superoxide radical anion (O2⋅‒) and other reactive oxygen species are constantly produced during respiration. In mitochondria, the dismutation of O2⋅‒ is accelerated by the mitochondrial superoxide dismutase 2 (SOD2), an enzyme that has been traditionally associated with antioxidant protection. However, increases
Joanna C Young et al.
Nature communications, 5, 5887-5887 (2014-12-20)
The hallmark of enteropathogenic Escherichia coli (EPEC) infection is the formation of actin-rich pedestal-like structures, which are generated following phosphorylation of the bacterial effector Tir by cellular Src and Abl family tyrosine kinases. This leads to recruitment of the Nck-WIP-N-WASP
Zhifang Dong et al.
The Journal of clinical investigation, 125(1), 234-247 (2014-12-02)
Long-term potentiation (LTP) of synaptic strength between hippocampal neurons is associated with learning and memory, and LTP dysfunction is thought to underlie memory loss. LTP can be temporally and mechanistically classified into decaying (early-phase) LTP and nondecaying (late-phase) LTP. While
Ling Wang et al.
PloS one, 10(4), e0122932-e0122932 (2015-04-24)
An increased risk for developing essential hypertension, stroke and diabetes is associated with single nucleotide gene polymorphisms in renalase, a newly described secreted flavoprotein with oxidoreductase activity. Gene deletion causes hypertension, and aggravates acute ischemic kidney (AKI) and cardiac injury.
Jie Mao et al.
Molecular and cellular biochemistry, 396(1-2), 117-128 (2014-07-25)
Ezrin is overexpressed in a variety of neoplastic cells and involved in the later stages of tumor progression and metastasis. Ezrin expression can be regulated at both the transcriptional and post-transcriptional levels. We used a combination of bioinformatics and experimental
Robert J Huber et al.
PloS one, 9(10), e110544-e110544 (2014-10-21)
The neuronal ceroid lipofuscinoses (NCL) are a group of inherited, severe neurodegenerative disorders also known as Batten disease. Juvenile NCL (JNCL) is caused by recessive loss-of-function mutations in CLN3, which encodes a transmembrane protein that regulates endocytic pathway trafficking, though
Patricia Santofimia-Castaño et al.
Molecular and cellular biochemistry, 397(1-2), 75-86 (2014-08-03)
Intracellular Ca(2+) overload has been considered a common pathological precursor of pancreatic injury. In this study, the effects of melatonin on Ca(2+) mobilization induced by cholecystokinin octapeptide (CCK-8) in freshly isolated mouse pancreatic acinar cells have been examined. Changes in
Hong-Shuo Sun et al.
Experimental neurology, 263, 161-171 (2014-12-03)
Neonatal hypoxic-ischemic brain injury and its related illness hypoxic-ischemic encephalopathy (HIE) are major causes of nervous system damage and neurological morbidity in children. Hypoxic preconditioning (HPC) is known to be neuroprotective in cerebral ischemic brain injury. K(ATP) channels are involved
Jia Zhou et al.
Molecular and cellular biochemistry, 377(1-2), 75-85 (2013-02-09)
Mucus hypersecretion is a major manifestation in patients with chronic inflammatory airway diseases, and mucin5AC (MUC5AC) protein is a major component of airway mucus. Previous studies have demonstrated that neutrophil elastase (NE) stimulates the secretion of MUC5AC from airway epithelial
Marianna E Jung et al.
The Journal of pharmacology and experimental therapeutics, 352(2), 258-266 (2014-11-20)
The acetylation of histone proteins in the core of DNA regulates gene expression, including those affecting mitochondria. Both histone acetylation and mitochondrial deficit have been implicated in neuronal damage associated with drinking problems. Many alcoholics will repeat unsuccessful attempts at
Takehiro Yamaguchi et al.
International journal of cardiology, 178, 239-246 (2014-12-03)
Remote ischemic conditioning (RIC) by repeated treatment of transient limb ischemia is a clinically applicable method for protecting the heart against injury at the time of reperfusion. In this study, we investigated the effects of repeated RIC on cardiac dysfunction
Xueyuan Zhou et al.
Immunology, 143(2), 287-299 (2014-04-30)
Prostaglandin E2 (PGE2 ) is an important inducer of inflammation, which is also closely linked to the progress of tumours. In macrophages, PGE2 production is regulated by arachidonic acid release and cyclooxygenase-2 (COX-2) expression. In the present study, we found
Sarah Y Branch et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(28), 9310-9318 (2014-07-11)
Substantia nigra dopamine neurons are involved in behavioral processes that include cognition, reward learning, and voluntary movement. Selective deterioration of these neurons is responsible for the motor deficits associated with Parkinson's disease (PD). Aging is the leading risk factor for
Agnieszka Graczyk et al.
The international journal of biochemistry & cell biology, 57, 135-141 (2014-12-03)
S100A6 is a calcium binding protein expressed in many types of epithelia including epidermis. S100A6 is a binding partner of a number of proteins engaged in cytoskeletal organization, cell cycle control, stress response or apoptosis. So far the effect of
Victor P Long et al.
Life sciences, 123, 61-71 (2015-01-18)
Ventricular arrhythmias are a common cause of death in patients with heart failure (HF). Structural and electrical abnormalities in the heart provide a substrate for such arrhythmias. Canine tachypacing-induced HF models of 4-6 weeks duration are often used to study
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