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Human retinoblastomas can occur both as hereditary and as sporadic cases. Knudson's proposal that they result from two mutational events, of which one is present in the germ line in hereditary cases, has been confirmed by more recent molecular analysis, which has shown both events to involve loss or mutational inactivation of the same gene, RB-1 (ref. 2).(More)
The oncogene bmi-1, which was originally found to be involved in B- and T-cell lymphoma formation encodes a protein with a domain of homology to the Drosophila protein Posterior sex combs (Psc) and its relative Suppressor 2 of Zeste (Su(z)2) (refs 4 and 5). Psc is a member of the Polycomb-group gene family, which is required to maintain the repression of(More)
Two types of P-glycoprotein have been found in mammals: the drug-transporting P-glycoproteins and a second type, unable to transport hydrophobic anticancer drugs. The latter is encoded by the human MDR3 (also called MDR2) and the mouse mdr2 genes, and its tissue distribution (bile canalicular membrane of hepatocytes, B cells, heart, and muscle) suggests a(More)
B-50/GAP-43, a neural growth-associated phosphoprotein, is thought to play a role in neuronal plasticity and nerve fiber formation since it is expressed at high levels in developing and regenerating neurons and in growth cones. Using a construct containing the coding sequence of B-50/GAP-43 under the control of regulatory elements of the olfactory marker(More)
The Pim-1 proto-oncogene encodes a highly conserved serine/threonine phosphokinase which is predominantly expressed in hematopoietic organs and gonads in mammals. Overexpression of Pim-1 predisposes to lymphomagenesis in mice. To develop a further understanding of Pim-1 in molecular terms, as well as in terms of its potential role in hematopoietic(More)
BACKGROUND Hyperglycemia in premature infants is associated with increased morbidity and mortality, but data on long-term outcome are limited. We investigated the effects of neonatal hyperglycemia (blood glucose > or = 10 mmol/l, treated with insulin for > or = 12 hours) on growth and neurobehavioral outcome at 2 years of age. METHODS Retrospective(More)
BACKGROUND Coagulase negative staphylococci (CoNS) are the most common cause of neonatal sepsis in the Neonatal Intensive Care Unit (NICU). A minority of neonates does not respond to vancomycin therapy and develops persistent bacteremia, which may be treated with rifampin. We evaluated the use of rifampin in persistent CoNS bacteremia. METHODS(More)
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