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Protein import into the cell nucleus requires specific binding of nuclear proteins to the nuclear pore complex. Based on amino acid sequence "motifs" of known nuclear targeting signals, we identified peptides within a number of nuclear proteins with likely nuclear targeting potential and tested their function by transfecting into cells fusion genes that(More)
BACKGROUND Only 15 to 20 percent of patients with chronic hepatitis C have a sustained virologic response to interferon therapy. We compared the efficacy and safety of recombinant interferon alfa-2b alone with those of a combination of interferon alfa-2b and ribavirin for the initial treatment of patients with chronic hepatitis C. METHODS We randomly(More)
The full-length cDNA encoding the entire open reading frame (ORF) of rat myotubularin (rMTM) was isolated from a rat testis expression library by PCR. Among the three approximately 2.9-kb cDNAs that were sequenced, one clone was different from the other two clones. It contained seven extra amino acids of FVVLNLQ; this short stretch of extra sequence was(More)
BACKGROUND Rhinoviruses and the homologous polioviruses have hydrophobic pockets below their receptor-binding sites, which often contain unidentified electron density ('pocket factors'). Certain antiviral compounds also bind in the pocket, displacing the pocket factor and inhibiting uncoating. However, human rhinovirus (HRV)14, which belongs to the major(More)
We report here the complete nucleotide sequence and predicted polyprotein sequence of HeLa cell-adapted human rhinovirus 16 (HRV16). This virus is more suitable than human rhinovirus 14 (HRV14) for clinical studies, and its growth and physical properties are favorable for biochemical and crystallographic analysis. The complete message-sense RNA genome of(More)
The possibility that alpha-chlorohydrin, 6-chloro-6-deoxyglucose (6CDG) and cyproterone acetate (CPA) might affect epididymal protein secretion or acquisition of sperm surface proteins as the cause of their antifertility action in male rats was investigated. Daily administration of 9 mg/kg alpha-chlorohydrin for 7--14 days and 24 mg/kg 6CDG for 14--21 days(More)
Little information is available on acute liver failure (ALF) in the United States. We gathered demographic data retrospectively for a 2-year period from July 1994 to June 1996 on all cases of ALF from 13 hospitals (12 liver transplant centers). Data on the patients included age, hepatic coma grade on admission, presumed cause, transplantation, and outcome.(More)
The biochemical mechanism(s) by which germ cells can form specialized junctions with Sertoli cells in the seminiferous epithelium at various stages of the spermatogenic cycle is unknown. This study sought to examine the biochemical changes that are involved when germ cells are cocultured with Sertoli cells in vitro preceding the establishment of specialized(More)
An in vitro culture system using Sertoli cells was employed to assess the expression of component genes pertinent to occluding junctions (OJ) (such as zonula occludens-1, ZO-1), anchoring junctions (AJ) (such as N-cadherin and beta-catenin), and communicating gap junctions (GJ) (such as connexin 33, Cx33) when they are being formed in vitro. Freshly(More)