Carl A. Weaver

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As part of its trophic action to maintain the steroidogenic capacity of adrenocortical cells, corticotropin (ACTH) increases the transcription of the cytochrome P-450 steroid hydroxylase genes, including the gene encoding steroid 21-hydroxylase (21-OHase). We previously identified several promoter elements that regulate 21-OHase gene expression in mouse Y1(More)
NGFI-B is an early response gene which encodes a protein that has strong homology with nuclear receptors in the DNA binding domain and in carboxyl-terminal domains responsible for ligand binding and regulation of transcriptional activity. Previously, we have demonstrated that NGFI-B is transcriptionally active in cells grown in vitro in the absence of(More)
We have examined the effects of reversibly and irreversibly binding estrogenic and antiestrogenic ligands for the estrogen receptor on pS2 RNA accumulation in MCF-7 human breast cancer cells and on pS2-chloramphenicol acetyl transferase (CAT) fusion gene expression in transfected MCF-7 cells. In MCF-7 cells grown in the absence of estrogens, the reversibly(More)
The systematic design of a decision support system should proceed through the following four analyses: life cycle analysis; capabilities allocation to planned future iterations; architectural choice; and hardware/software analysis. The application of such a design process to a program manager's support system for the Defense Systems Management College is(More)
The biologic properties of murine sarcoma viruses in nonproducer and S(+)L(-) cells were compared. Each virus was found to be genetically stable through at least two cycles of rescue and transmission to new cells. There was no evidence for production of a defective murine leukemia virus by S(+)L(-) cells. The results are most consistent with the hypothesis(More)
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