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The effect of differentiation on the transverse mechanical properties of mammalian myocytes was determined by using atomic force microscopy. The apparent elastic modulus increased from 11.5 +/- 1.3 kPa for undifferentiated myoblasts to 45.3 +/- 4.0 kPa after 8 days of differentiation (P < 0.05). The relative contribution of viscosity, as determined from the(More)
GABAA receptor-mediated Cl- currents in rat thalamic reticular and relay neurons. J. Neurophysiol. 78: 2280-2286, 1997. Spontaneous and evoked inhibitory postsynaptic currents (sIPSCs and eIPSCs) and responses to exogenously applied gamma-aminobutyric acid (GABA), mediated by GABA type A (GABAA) receptors, were recorded in inhibitory neurons of nucleus(More)
Transient receptor potential (TRP) channels are nonselective cation channels, several of which are expressed in striated muscle. Because the scaffolding protein Homer 1 has been implicated in TRP channel regulation, we hypothesized that Homer proteins play a significant role in skeletal muscle function. Mice lacking Homer 1 exhibited a myopathy(More)
A growing number of exciting animal and preclinical studies are beginning to reveal the immense potential in stem cell–based therapies, particularly in the area of treating cardiovascular diseases. However, to evaluate the efficacy of these treatments in clinical trials, the transplanted stem cells must be monitored quantitatively and qualitatively in vivo.(More)
Integrins play a pivotal role in proliferation, differentiation, and survival in skeletal and cardiac myocytes. The beta(1D)-isoform of the beta(1)-integrin is specifically expressed in striated skeletal muscle. However, little is known about the role and the mechanisms by which the splice variant beta(1D)-integrin regulates myogenesis and(More)
Because previous studies of three-dimensional skeletal muscle cultures have shown limited differentiation, the goal of this study was to establish conditions that would produce mature sarcomeres in a mammalian-derived skeletal muscle construct. We evaluated the differentiation of bioartificial muscles generated from C(2)C(12) myoblasts in a collagen gel(More)
Background. Everything known about the roles, relationships, and repercussions of comorbidity in cardiovascular disease is shaped by how comorbidity is currently measured. Objectives. To critically examine how comorbidity is measured in randomized controlled trials or clinical trials and prospective observational studies in acute myocardial infarction(More)
BACKGROUND Recurrence of pancreatic adenocarcinoma after pancreaticoduodenectomy (PD) can be increased in patients with pancreatic fistula (PF). The purpose of our study was to determine if a relationship exists between PF and tumor recurrence (both peritoneal and local) in patients after PD for pancreatic ductal adenocarcinoma. STUDY DESIGN A(More)
OBJECTIVES/HYPOTHESIS To examine the sinus-related sequelae of free flap reconstruction for complex orbitofacial defects. STUDY DESIGN Retrospective chart review. METHODS Demographic, clinical, and radiographic data on a series of 55 patients who had undergone free tissue transfer for orbitofacial reconstruction was retrospectively reviewed. Follow-up(More)