نتایج جستجو برای: k1
تعداد نتایج: 6912 فیلتر نتایج به سال:
This study aimed to investigate whether there is any significant relationship between the readability and vocabulary profile including the most frequent words (K1 words) and academic word list (AWL) of reading passages of Four Corners series which were EFL textbooks. To determine the readability of the texts, the Flesch–Kincaid (1975) readability test was used, while the texts' academic word li...
Li, Dailin, Gary Sweeney, Qinghua Wang, and Amira Klip. Participation of PI3K and atypical PKC in Na1-K1pump stimulation by IGF-I in VSMC. Am. J. Physiol. 276 (Heart Circ. Physiol. 45): H2109–H2116, 1999.—The activity of the Na1-K1-pump is intricately linked to the maintenance of vascular tone. Here we demonstrate that insulin-like growth factor I (IGF-I) increases Na1-K1-pump activity in the v...
The inwardly rectifying potassium (Kir) 2.x channels mediate the cardiac inward rectifier potassium current (I(K1)). In addition to differences in current density, atrial and ventricular I(K1) have differences in outward current profiles and in extracellular potassium ([K+]o) dependence. The whole-cell patch-clamp technique was used to study these properties in heterologously expressed Kir2.x c...
We use K(L)'s in the 100-200 GeV energy range to produce 147 candidate events of the axial vector pair K1(1270)-K1(1400) in the nuclear Coulomb field of a Pb target and determine the radiative widths Gamma(K1(1400)-->K0+gamma)=280.8+/-23.2(stat)+/-40.4(syst) keV and Gamma(K1(1270)-->K0+gamma)=73.2+/-6.1(stat)+/-28.3(syst) keV. These first measurements appear to be lower than the quark-model pre...
OBJECTIVES We investigated the inward rectifier potassium current (I(K1)), which can be blocked by intracellular Ca(2+), in heart failure (HF). METHODS We used the whole-cell patch-clamp technique to record I(K1) from single rat ventricular myocytes in voltage-clamp conditions. Fluorescence measurements of diastolic Ca(2+) were performed with Indo-1 AM. HF was examined 8 weeks after myocardia...
OBJECTIVE The aim of this study was to understand the mechanism of action of vitamin K1 against streptozotocin (STZ)-induced diabetes. METHODS Male Wistar rats were administered 35 mg/kg STZ and after 3 d were treated with vitamin K1 (5 mg/kg, twice a week) for 3 months. Blood glucose was monitored twice a month. At the end of the study, animals were sacrificed and pancreas dissected out and ...
Mismatch between areas of reduced myocardial blood flow (MBF) and reduced myocardial innervation (’defect’ areas) may be used to predict ventricular arrhythmias. The presence of a mismatch zone can be derived from a combined protocol consisting of both an MBF and [C]-meta-hydroxyephedrine ([C]HED) scans. The rate of influx of [C]HED from blood to myocardium (K1) is proportional to MBF and could...
Many plant pathogens inject type III (T3SS) effectors into host cells to suppress host immunity and promote successful infection. The bacterial pathogen Acidovorax avenae causes brown stripe symptom in many species of monocotyledonous plants; however, individual strains of each pathogen infect only one host species. T3SS-deleted mutants of A. avenae K1 (virulent to rice) or N1141 (virulent to f...
Previous studies have shown that cardiac inward rectifier potassium current (I(K1)) channels are heteromers of distinct Kir2 subunits and suggested that species- and tissue-dependent expression of these subunits may underlie variability of I(K1). In this study, we investigated the contribution of the slowly activating Kir2.3 subunit and free intracellular polyamines (PAs) to variability of I(K1...
CrkRS (Cdc2-related kinase, Arg/Ser), or cyclin-dependent kinase 12 (CKD12), is a serine/threonine kinase believed to coordinate transcription and RNA splicing. While CDK12/CrkRS complexes were known to phosphorylate the C-terminal domain (CTD) of RNA polymerase II (RNA Pol II), the cyclin regulating this activity was not known. Using immunoprecipitation and mass spectrometry, we identified a 6...
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