نتایج جستجو برای: gk model
تعداد نتایج: 2106445 فیلتر نتایج به سال:
We introduce the A-D-E resonance factorized models as an appropriate analytical continuation of the Toda S-matrices to the complex values of their coupling constant. An investigation of the associated Casimir energy, via the thermodynamic Bethe ansatz, reveals a rich pattern of renormalization group trajectories interpolating between the central charges of the G1 ⊗ Gk/Gk+1 GKO coset models. We ...
Auxiliary Ca(2+) channel beta subunits (Ca(V)beta) regulate cellular Ca(2+) signaling by trafficking pore-forming alpha(1) subunits to the membrane and normalizing channel gating. These effects are mediated through a characteristic src homology 3/guanylate kinase (SH3-GK) structural module, a design feature shared in common with the membrane-associated guanylate kinase (MAGUK) family of scaffol...
The aim of this study was to examine the hypoglycemic effect of chlorella in 6 week-old type 2 diabetic Goto-Kakizaki (GK, n=30) rats and 6 week-old normal Wistar (n=30) rats. Animals were randomly assigned to 3 groups respectively, and were fed three different experimental diets containing 0%, 3% or 5% (w/w) chlorella for 8 weeks. In diabetic GK rats, the insulinogenic-indices were not signifi...
OBJECTIVE To compare the effect of differing health care delivery models, specifically, gatekeeper (GK) vs direct access (DA) routes, on melanoma outcome as measured by tumor thickness and cancer stage at diagnosis. DESIGN Retrospective medical record review of patients previously diagnosed as having cutaneous melanoma who were referred to a university-based clinic from January 1, 1996, throu...
The authors compared the relative dosimetric merits of Gamma Knife (GK) and CyberKnife (CK) in 15 patients with 26 brain metastases. All patients were initially treated with the Leksell GK 4C. The same patients were used to generate comparative CK treatment plans. The tissue volume receiving more than 12 Gy (V12), the difference between V12 and tumor volume (V12net), homogeneity index (HI), and...
Glucokinase (GK) plays a key role in maintaining glucose homeostasis by promoting insulin secretion from pancreatic beta cells and increasing hepatic glucose uptake. Here we investigate the effects of acute and chronic GK activation on glucose tolerance and insulin secretion in mice with diet-induced insulin resistance. In the acute study, a small molecule GK activator (GKA71) was administered ...
OBJECTIVE Gamma knife stereotactic radiosurgery (GK-SRS) is a safe and noninvasive treatment used as adjuvant therapy for patients with glioblastoma multiforme (GBM). Several studies have yielded conflicting results in the effectiveness of radiosurgery in GBM. This study is a retrospective review of our institutional experience with GK-SRS adjuvant therapy in the treatment of GBM. METHODS Fro...
Glucokinase (EC 2.7.1.2) first appears in the liver of the rat 2 weeks after birth and increases after weaning on to a high-carbohydrate diet. We investigated the hormonal regulation of glucokinase (GK) mRNA in primary cultures of hepatocytes from 10-12-day-old suckling rats. GK mRNA was undetectable in such cells after 48 h of culture in serum-free medium devoid of hormones. Addition of insuli...
There are about 600 million betel quid (BQ) chewers in the world. BQ chewing is associated with increased incidence of oral cancer and submucous fibrosis. In this study, areca nut (AN) extract (200-800 microg/ml) induced the prostaglandin E(2) (PGE(2)) production by 1. 4-3.4-fold and 6-keto-PGF(1 alpha) production by 1.1-1.7-fold of gingival keratinocytes (GK), respectively, following 24 h of e...
Ca(2+)-activated K(+) (K(Ca)) channels are important for endothelium-derived hyperpolarizing factor (EDHF) signaling. Since treatment with angiotensin II receptor blockers (ARBs) improves vasculopathies in type 2 diabetic patients, we asked whether the EDHF-type relaxation and its associated K(Ca) channels [small (SK(Ca))-, intermediate (IK(Ca))-, and large (BK(Ca))-conductance channels] are ab...
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