Abstract:
:Removal of the epithelium from preparations of guinea-pig airways in vitro increases the responsiveness of the smooth muscle of normal and ovalbumin-sensitized animals to a number of contractile agents. To determine if epithelium removal results in an increase in Ca2+ entry into the smooth muscle, the effect of removing the epithelium on Ca2+ uptake into the trachealis smooth muscle was studied using a modified La3+-technique. KCl increased Ca2+ uptake in the presence and absence of the epithelium in control and sensitized animals. Methacholine did not promote Ca2+ uptake, whether or not the epithelium was present, in either control or sensitized animals. Ovalbumin did not stimulate Ca2+ uptake into the trachealis of sensitized animals. These results indicate that the increase in responsiveness of airway smooth muscle seen on epithelium removal is not a consequence of a facilitation of Ca2+ entry into the muscle. The increased responsiveness to methacholine in control animals, and to ovalbumin in preparations in tension studies in epithelium-free tissues from sensitized animals, cannot be explained by an increased availability of extracellular Ca2+ into the muscle, but, rather may reflect some other effect of the epithelium-derived modulatory factor.
journal_name
Cell Calciumjournal_title
Cell calciumauthors
Raeburn D,Hay DW,Fedan JSdoi
10.1016/0143-4160(87)90026-1subject
Has Abstractpub_date
1987-12-01 00:00:00pages
429-36issue
6eissn
0143-4160issn
1532-1991pii
0143-4160(87)90026-1journal_volume
8pub_type
杂志文章相关文献
CELL CALCIUM文献大全abstract::Ca2+ influx into secretory cells of the intact salivary gland of the blowfly Calliphora erythrocephala elicited by the agonist 5-hydroxytryptamine (5-HT) or the Ca2+ uptake inhibitor thapsigargin was studied by using Fura-2 and digital fluorescence imaging and by recordings of the transepithelial potential. Applicatio...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/s0143-4160(98)90074-4
更新日期:1998-01-01 00:00:00
abstract::Calcium is a major intracellular signaling messenger in innate immune cells. Similar to other immune cell subsets, the majority of calcium entry into innate immune cells is induced by cell surface receptors that stimulate store-operated calcium entry through calcium-release activated calcium (CRAC) channels. Since the...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1016/j.ceca.2019.01.003
更新日期:2019-03-01 00:00:00
abstract::Ca2+ signalling governs stimulated exocytosis and exocytosis-coupled endocytosis also in Paramecium cells. Upon stimulation, the < or =10(3) dense-core exocytotic organelles (trichocysts) can be synchronously (80 ms) released, followed by endocytotic membrane resealing (350 ms) and retrieval. Paramecium is the most sy...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1016/j.ceca.2005.06.008
更新日期:2005-09-01 00:00:00
abstract::Ca(2+) is known as a universal messenger mediating a wide variety of cellular processes, including cell death. In fact, this ion has been proposed as the 'cell death master', not only at the intracellular but also at the intercellular level. The most direct form of intercellular spread of cell death is mediated by gap...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1016/j.ceca.2011.05.007
更新日期:2011-09-01 00:00:00
abstract::Rabbit gall-bladder epithelial cells were isolated by a combination of Ca2+ omission, enzymatic treatment, and mechanical detachment and had a viability of 96-98% and well preserved morphology. Measurements of cytosolic free Ca2+ concentration ([Ca2+]i) in these cells with the Ca2+-fluorescent indicator fura-2 demonst...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/0143-4160(89)90042-0
更新日期:1989-01-01 00:00:00
abstract::Ca(2+) signals are universal among cells in regulating a spectrum of cellular responses. Phospholipase C-coupled receptors activate two components of Ca(2+) signals--rapid Ca(2+) release from ER stores, followed by slower Ca(2+) entry from outside the cell. The coupling process between ER and PM to mediate this "store...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1016/j.ceca.2007.03.009
更新日期:2007-08-01 00:00:00
abstract::Amyloid beta (Aβ) oligomers accumulate in the brain tissue of Alzheimer disease patients and are related to disease pathogenesis. The precise mechanisms by which Aβ oligomers cause neurotoxicity remain unknown. We recently reported that Aβ oligomers cause intracellular Ca(2+) overload and neuronal death that can be pr...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2011.02.001
更新日期:2011-03-01 00:00:00
abstract::Using whole cell patch clamp recordings on unfertilized eggs of the ascidian Ciona intestinalis, we are able to detect ryanodine receptors within the oocytes. Our approach is based on measurements of the voltage-activated inward calcium currents. Two types of Ca2+ currents have been described on the oocyte membrane of...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/s0143-4160(97)90033-6
更新日期:1997-02-01 00:00:00
abstract::In previous works, we have shown that L-type voltage-operated calcium channels, N-methyl-d-aspartate receptors (NMDAr), neuronal nitric oxide synthase (nNOS) and cytochrome b5 reductase (Cb5R) co-localize within the same lipid rafts-associated nanodomains in mature cerebellar granule neurons (CGN). In this work, we sh...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2014.06.002
更新日期:2014-08-01 00:00:00
abstract::Dynamic nuclear Ca(2+) signals play pivotal roles in diverse cellular functions including gene transcription, cell growth, differentiation, and apoptosis. Here we report a novel nuclear Ca(2+) regulatory mechanism mediated by inositol 1,4,5-trisphosphate receptors (IP(3)Rs) around the nucleus in developing cardiac myo...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2007.04.017
更新日期:2008-02-01 00:00:00
abstract::The rat parotid salivary gland shows marked alterations in phospholipid metabolism when stimulated by certain agonists. These agonists are those which cause cellular Ca mobilization by activation of muscarinic, alpha-adrenergic or peptidergic (substance P) receptors. The phospholipid changes apparently reflect the act...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1016/0143-4160(82)90024-0
更新日期:1982-10-01 00:00:00
abstract::In smooth muscle, Ca(2+) regulates cell division, growth and cell death as well as providing the main trigger for contraction. Ion channels provide the major access route to elevate the cytoplasmic Ca(2+) concentration ([Ca(2+)](c)) in smooth muscle by permitting Ca(2+) entry across the plasma membrane and release of ...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1016/j.ceca.2007.05.010
更新日期:2007-10-01 00:00:00
abstract::There is growing evidence indicating that the pore structure of voltage-gated ion channels (VGICs) influences gating besides their conductance. Regarding low voltage-activated (LVA) Ca2+ channels, it has been demonstrated that substitutions of the pore aspartate (D) by a glutamate (D-to-E substitution) in domains III ...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2020.102214
更新日期:2020-07-01 00:00:00
abstract::Pancreatitis is an increasingly common disease that carries a significant mortality and which lacks specific therapy. Pathological calcium signalling is an important contributor to the initiating cell injury, caused by or acting through mitochondrial inhibition. A principal effect of disordered cell signalling and imp...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1016/j.ceca.2007.11.013
更新日期:2008-07-01 00:00:00
abstract::Transient receptor potential cation channel, subtype melastatin 2 (TRPM2), is important for several physiological functions, such as immune response or temperature regulation. Recently, the structure of full-length TRPM2 from zebrafish was published (Huang et al., 2018) proposing a new activation mechanism - is it rea...
journal_title:Cell calcium
pub_type: 评论,杂志文章
doi:10.1016/j.ceca.2018.11.001
更新日期:2018-12-01 00:00:00
abstract::In the cochlea, cell damage triggers intercellular Ca2+ waves that propagate through the glial-like supporting cells that surround receptor hair cells. These Ca2+ waves are thought to convey information about sensory hair cell-damage to the surrounding supporting cells within the cochlear epithelium. Mitochondria are ...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2009.06.005
更新日期:2009-08-01 00:00:00
abstract::Inhibition by Mg2+ ions of exocytotic secretion from permeabilised eosinophils, stimulated by Ca2+ and GTP gamma S, and in the presence and absence of ATP, has been examined. While Mg2+ inhibits release of aryl sulphatase, hexosaminidase and peroxidase, we found no evidence that this occurs by competition at a Ca(2+)-...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/s0143-4160(97)90045-2
更新日期:1997-03-01 00:00:00
abstract::Calcium and calcium-dependent systems have been long implicated in the induction of epilepsy. We have previously observed that intracellular calcium ([Ca2+]i) levels remain elevated in cells undergoing epileptogenesis in the hippocampal neuronal culture (HNC) model. In this study, we employed the hippocampal neuronal ...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1054/ceca.2000.0146
更新日期:2000-09-01 00:00:00
abstract::We have found that the changes in calcium metabolism in rabbit neutrophils produced by the chemotactic synthetic peptide f-Met-Leu-Phe are not sensitive to the calcium chelator EGTA. The present results demonstrate unambiguously that the previously described chemotactic factor induced changes in 45Ca fluxes in rabbit ...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/0143-4160(83)90049-0
更新日期:1983-02-01 00:00:00
abstract::A procedure for calibration of fluorescence signals from adult rat heart cells loaded with the -AM ester of fura-2 is described. Calibration is complicated by dye compartmentation and potentially incomplete dye hydrolysis. These problems were overcome by subtracting from fluorescence transients the non-cytosolic (mito...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/s0143-4160(98)90050-1
更新日期:1998-10-01 00:00:00
abstract::Parvalbumin (PA) is a Ca(2+)-binding protein of vertebrates massively expressed in tissues with high oxygen uptake and respectively elevated level of reactive oxygen species (ROS). To characterize antioxidant properties of PA, antioxidant capacity (AOC) of intact rat α-PA has been explored. ORAC, TEAC and hydrogen per...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2014.03.001
更新日期:2014-05-01 00:00:00
abstract::The surface dynamics of neurotransmitter receptors and transporters, as well as ion channels, has been well-documented in neurons, revealing complex molecular behaviour and key physiological functions. However, our understanding of the membrane trafficking and dynamics of the signalling molecules located at the plasma...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1016/j.ceca.2017.08.009
更新日期:2017-11-01 00:00:00
abstract::The activation of T lymphocytes, like many cells, requires a rapid rise in intracellular Ca2+ secondary to both an influx and a release from intracellular stores. The latter is activated by inositol-1,4,5-trisphosphate [Ins(1,4,5)P3]. It is controversial if inositol phosphates can also stimulate a plasma membrane Ca2+...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/0143-4160(93)90082-h
更新日期:1993-02-01 00:00:00
abstract::Mitochondrial Ca(2+) activates many processes, from mitochondrial metabolism to opening of the permeability transition pore (PTP) and apoptosis. However, there is considerable controversy regarding the free mitochondrial [Ca(2+)] ([Ca(2+)](M)) levels that can be attained during cell activation or even in mitochondrial...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2008.10.007
更新日期:2009-03-01 00:00:00
abstract::The store-operated, calcium release-activated calcium current I(CRAC) is activated by the depletion of inositol 1,4,5-trisphosphate (IP(3))-sensitive stores. The significantly different dose-response relationships of IP(3)-mediated Ca(2+) release and CRAC channel activation indicate that I(CRAC) is activated by a func...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2008.12.001
更新日期:2009-04-01 00:00:00
abstract::Transient spontaneous increases in the intracellular Ca2+ concentration have been frequently observed in astrocytes in cell culture and in acutely isolated slices from several brain regions. Recent in vivo experiments, however, reported only a low frequency of spontaneous Ca2+ events in astrocytes. Since the ex vivo e...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2007.06.002
更新日期:2008-03-01 00:00:00
abstract::The annexins are a family of calcium-binding proteins. Data from protein and cDNA sequencing have shown that at least five distinct but closely related mammalian annexins exist each of which possesses four or eight homologous internal repeats which may be calcium-and phospholipid-binding domains. The proteins are pres...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1016/0143-4160(89)90038-9
更新日期:1989-01-01 00:00:00
abstract::The Solute Carrier Family 24 (SLC24) belongs to the CaCA super family of Ca(2+)/cation antiporters and codes for five different K(+)- dependent Na(+)- Ca(2+) exchangers (NCKX1-5). NCKX proteins play a critical role in Ca(2+) homeostasis in a wide variety of biological processes such as vision, olfaction, enamel format...
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/j.ceca.2015.11.001
更新日期:2016-01-01 00:00:00
abstract::An important challenge in the study of Ca2+ signalling is to understand the dynamics of intracellular Ca2+ levels during and after physiological stimulation. While extensive information is available regarding the structural and biophysical properties of Ca2+ channels, pumps and exchangers that control cellular Ca2+ mo...
journal_title:Cell calcium
pub_type: 杂志文章,评审
doi:10.1054/ceca.2000.0172
更新日期:2000-11-01 00:00:00
abstract::The sphingosine derivatives sphingosylphosphorylcholine (SPC) and sphingosine-1-phosphate (S1P) caused a similar elevation of the intracellular Ca2+ concentration ([Ca2+]i) in an immortalized airway epithelial cell line (CFNP9o-) incubated in Ca(2+)-free medium. The maximal effect was obtained with 2 microM SPC and 0....
journal_title:Cell calcium
pub_type: 杂志文章
doi:10.1016/s0143-4160(98)90095-1
更新日期:1998-06-01 00:00:00