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Herpes simplex virus type-1 (HSV1) in which the neurovirulence factor ICP34.5 is inactivated has been shown to direct tumour-specific cell lysis in several tumour models. Such viruses have also been shown to be safe in Phase I clinical trials by intra-tumoral injection in glioma and melanoma patients. Previous work has used serially passaged laboratory(More)
The capacity of endothelin-1 to induce severe reductions in cerebral blood flow and ischaemic neuronal damage was assessed in anaesthetised rats. Endothelin-1 (25 microliters of 10(-7)-10(-4) M) was applied to the adventitial surface of an exposed middle cerebral artery and striatal blood flow assessed by the hydrogen clearance technique. Endothelin-1(More)
The central effects of endothelin-1 (Et-1, 10-30 pmol in 2.5 microliters injected intracisternally) have been investigated in the conscious rat. With 10 and 20 pmol Et-1, no significant change in blood pressure was observed. With 30 pmol Et-1, mean arterial blood pressure rose by 40 +/- 10 mm Hg with an accompanying modest, short-lived bradycardia at 2 min(More)
INTRODUCTION Neonatal infection is an important cause of morbidity and mortality. Neonatal infection surveillance networks are necessary for defining the epidemiology of infections and monitoring changes over time. DESIGN Prospective multicentre surveillance using a web-based database. SETTING 12 English neonatal units. PARTICIPANTS Newborns admitted(More)
Endothelin-1 (1 nmol) was applied to the exposed left middle cerebral artery (MCA) in anaesthetised adult male Sprague-Dawley rats. Local cerebral blood flow (1CBF), using [14C]iodoantipyrine and quantitative autoradiography, was measured in 27 anatomically defined structures, 10 min after topical application of endothelin-1. In those areas supplied by the(More)
Data on the immunogenicity and memory induction of pneumococcal conjugate vaccines in very preterm infants is limited. We vaccinated 69 full term and 68 preterm infants (median gestational age (GA) 30 weeks) with a 7-valent pneumococcal conjugate vaccine (PCV7) at 2/3/4 months of age, followed by a plain polysaccharide booster at 12 months of age. IgG-GMC(More)
Herpes simplex virus (HSV) has often been suggested as a suitable vector for gene delivery to the peripheral nervous system as it naturally infects sensory nerve terminals before retrograde transport to the cell body in the spinal ganglia where latency is established. HSV vectors might therefore be particularly appropriate for the study and treatment of(More)
Six hundred and eighty two assessments were performed on 641 babies under 6 months of age who presented to the emergency department of the Royal Children's Hospital, Melbourne, to try and determine the best markers of serious illness in young infants. Detailed, specific questions that quantified a baby's functional response to illness gave the most useful(More)