Mnncnrro MELLINI

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When fully grown Xenopus oocytes are stimulated by progesterone, a period of protein synthesis is necessary for maturation. Synthesis of the mos proto-oncogene product, pp39mos, is necessary for the activation of M-phase promoting factor (MPF) in meiosis I. On the basis that mos is translated de novo on hormonal stimulation of Xenopus oocytes and that(More)
The Rex protein of human T-cell leukemia virus type I (HTLV-I) was expressed in bacteria and partially purified. Rex was shown to bind in vitro specifically to an RNA sequence located in the 3' long terminal repeat of HTLV-I, named Rex-responsive element (RXRE). Rex also bound in vitro to the human immunodeficiency virus type 1 (HIV-1) Rev-responsive(More)
An evaluation of the reproducibility and accuracy of the NMR human blood test for cancer described by Fossel, E. T., Carr, J. M. and McDonagh, J., (New England Journal of Medicine 315, 1369-1376) in 1986 has been conducted jointly at the National Cancer Institute-Frederick Cancer Research Facility, Frederick, MD (NCI-FCRF) and the National Research Council,(More)
The binding of Rev protein of human immunodeficiency virus type 1 (HIV-1) to the cis-acting Rev-responsive element (RRE) was compared to the binding of a trans-dominant Rev mutant. RevBL, which inhibits Rev function. Rev and RevBL expressed in bacteria were purified and shown to bind in vitro to the RRE with similar affinities. The study of the RRE mutants(More)
A better understanding of the structure and biochemical properties of the replicative machinery of human immunodeficiency virus type 1 (HIV-1) may be useful in the screening and design of drugs that could be used to treat AIDS. We have previously described a recombinant strain of Escherichia coli that produces HIV-1 reverse transcriptase (RT). Fermentation(More)
Neurofibrillary tangles (NFT), one of the neurodegenerative features of Alzheimer's disease, Down's syndrome and normal aging, is a constant, widespread neuropathological finding in Guamanian amyotrophic lateral sclerosis (ALS), parkinsonism-dementia (PD) and in neurologically normal Guamanians, dying of causes other than ALS and PD. NFT in brain tissue(More)