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Life and death fate decisions allow cells to avoid massive apoptotic death in response to genotoxic stress. Although the regulatory mechanisms and signalling pathways controlling DNA repair and apoptosis are well characterized, the precise molecular strategies that determine the ultimate choice of DNA repair and survival or apoptotic cell death remain… (More)
The temporal and spatial patterns of accumulation of transcripts from individual actin genes during Drosophila embryogenesis have been determined by in situ hybridization. We describe the subcloning into transcription vectors of unique DNA fragments derived from the 3' transcribed, but nontranslated region of each actin gene. These fragments then served as… (More)
The Software Technology Program of MCC is investigating the early part of the design process, before requirements are established, for large-scale distributed systems. Face-to-face meetings are an important activity during this phase of a project since they provide a medium for direction, exploration, and consensus building. Project Nick is attempting to… (More)
Cellular aging is linked to deficiencies in efficient repair of DNA double strand breaks and authentic genome maintenance at the chromatin level. Aging poses a significant threat to adult stem cell function by triggering persistent DNA damage and ultimately cellular senescence. Senescence is often considered to be an irreversible process. Moreover, critical… (More)
We reviewed the hepatic features in 136 children with alpha 1 antitrypsin deficiency (PiZ). Eighty two were studied prospectively, 74 of whom had chronic liver disease. Sixty seven children with liver disease presented in the first four months of life, four were older infants and children with chronic liver disease, 10 (three with liver disease) were… (More)
OBJECTIVE To investigate, in men presenting with recurrent pregnancy loss (RPL), the prevalence of sperm autosome and sex chromosome aneuploidy. DESIGN Retrospective study. SETTING Male infertility clinic. PATIENT(S) A total of 140 men with RPL provided semen samples, and five normozoospermic controls provided 140 semen samples for comparison.… (More)
An isoelectric focusing method for human GDH is described which reveals seven GDH phenotypes. Family studies demonstrate that the variation is genetically determined by three alleles at an autosomal locus with gene frequencies GDH1 = 0.723, GDH2 = 0.194, GDH3 = 0.083. Linkage analysis shows that GDH may be closely linked to PGD on chromosome 1.
Deep sea drilling in the eastern Indian Ocean shows that the oceanic crust off Western Australia is approximately 140 million years old and becomes younger to the west; this dates the initial opening of the Indian Ocean.