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Repulsive guidance molecule (RGM) is a recently identified protein implicated in both axonal guidance and neural tube closure. The avoidance of chick RGM in the posterior optic tectum by growing temporal, but not nasal, retinal ganglion cell axons is thought to contribute to visual map formation. In contrast to ephrins, semaphorins, netrins and slits, no(More)
Sodium MR imaging at 3.0 T provides high-quality images in acceptable acquisition times that allow assessment of tissue viability as defined by maintenance of sodium ion homeostasis. This application is made feasible for clinical stroke evaluation by an efficient projection pulse sequence with extremely short echo time values. This twisted projection(More)
For anterior cruciate ligament (ACL) surgery using the anatomic approach of the double bundle concept it is helpful to describe the anteromedial (AM) and posterolateral (PL) bundle using Magnetic Resonance Imaging (MRI), since this is the most important preoperative parameter next to the physical examination. The aim of this study was to distinguish both(More)
Magnetic resonance imaging (MRI) is the most commonly used diagnostic imaging procedure for suspected injuries to the anterior cruciate ligament (ACL). However, MRI has less utility for the evaluation of partial ACL tears. The goal of this study was to evaluate the possibility of distinguishing partial ACL tears applying the double bundle concept by(More)
UNLABELLED Due to the global rise in the popularity of herbal medicines, adversities resulting from concomitant use of both prescription drugs and herbs are becoming an increasingly important public health issue. OBJECTIVES To estimate the prevalence of the use of herbal medicines among persons on prescription medicines in Jamaica. Findings are thought to(More)
Neurogenesis in the retina occurs via the coordination of proliferation, cell cycle exit and differentiation of retinal progenitor cells. Until recently, it was widely assumed that once a retinal progenitor cell produced a postmitotic neuron, there was no possibility for cell-cycle re-entry. However, recent studies have shown that mature differentiated(More)
Tennis is popular in the United States, with millions participating in the sport. Unlike many other sports, young, middle-aged, and elderly persons are actively playing tennis. Most injuries that are seen are secondary to overuse. Faulty stroke mechanics are often involved in the development of specific injuries seen in tennis players. Fortunately, most(More)
Failure to thrive is common in infants with hypoplastic left heart syndrome and its variants and those with poor growth may be at risk for worse surgical and neurodevelopmental outcomes. The etiology of growth failure in this population is multifactorial and complex, but may be impacted by nutritional intervention. There are no consensus guidelines(More)
Neuronal differentiation with respect to the acquisition of synaptic competence needs to be regulated precisely during neurogenesis to ensure proper formation of circuits at the right place and time in development. This regulation is particularly important for synaptic triads among photoreceptors, horizontal cells (HCs), and bipolar cells in the retina,(More)