User profiles for James DeGregori

James DeGregori

Professor of Biochemistry and Molecular Genetics, University of Colorado SOM
Verified email at ucdenver.edu
Cited by 29155

Lung adenocarcinoma promotion by air pollutants

…, I Malanchi, A Hackshaw, K Litchfield, J DeGregori… - Nature, 2023 - nature.com
A complete understanding of how exposure to environmental substances promotes cancer
formation is lacking. More than 70 years ago, tumorigenesis was proposed to occur in a two-…

Cellular Targets for Activation by the E2F1 Transcription Factor Include DNA Synthesis- and G1/S-Regulatory Genes

J DeGregori, T Kowalik, JR Nevins - Molecular and cellular biology, 1995 - Taylor & Francis
Although a number of transfection experiments have suggested potential targets for the action
of the E2F1 transcription factor, as is the case for many transcriptional regulatory proteins, …

Distinct roles for E2F proteins in cell growth control and apoptosis

J DeGregori, G Leone, A Miron… - Proceedings of the …, 1997 - National Acad Sciences
E2F transcription activity is composed of a family of heterodimers encoded by distinct genes.
Through the overproduction of each of the five known E2F proteins in mammalian cells, we …

Regulation of the cyclin E gene by transcription factor E2F1.

K Ohtani, J Degregori… - Proceedings of the …, 1995 - National Acad Sciences
A variety of results point to the transcription factor E2F as a critical determinant of the G1/S-phase
transition during the cell cycle in mammalian cells, serving to activate the transcription …

Distinct and overlapping roles for E2F family members in transcription, proliferation and apoptosis

J DeGregori, DG Johnson - Current molecular medicine, 2006 - ingentaconnect.com
Since the discovery almost fifteen years ago that E2F transcription factors are key targets of
the retinoblastoma protein (RB), studies of the E2F family have uncovered critical roles in the …

Myc and Ras collaborate in inducing accumulation of active cyclin E/Cdk2 and E2F

G Leone, J DeGregori, R Sears, L Jakoi, JR Nevins - Nature, 1997 - nature.com
Considerable evidence points to a role for Gl cyclin-dependent kinase (CDK) in allowing the
accumulation of E2F transcription factor activity and induction of the S phase of the cell …

[PDF][PDF] Ras enhances Myc protein stability

R Sears, G Leone, J DeGregori, JR Nevins - Molecular cell, 1999 - cell.com
Various experiments have demonstrated a collaborative action of Myc and Ras, both in normal
cell growth control as well as during oncogenesis. We now show that Ras enhances the …

Inhibition of cyclin D-CDK4/CDK6 activity is associated with an E2F-mediated induction of cyclin kinase inhibitor activity.

SN Khleif, J Degregori, CL Yee… - Proceedings of the …, 1996 - National Acad Sciences
Alterations of various components of the cell cycle regulatory machinery that controls the
progression of cells from a quiescent to a growing state contribute to the development of many …

E2F3 activity is regulated during the cell cycle and is required for the induction of S phase

G Leone, J DeGregori, Z Yan, L Jakoi… - Genes & …, 1998 - genesdev.cshlp.org
Previous work has demonstrated the important role of E2F transcription activity in the induction
of S phase during the transition from quiescence to proliferation. In addition to the E2F-…

[PDF][PDF] Inhibition of amino acid metabolism selectively targets human leukemia stem cells

…, H Ye, A Krug, D Reinhold, C Smith, J DeGregori… - Cancer cell, 2018 - cell.com
In this study we interrogated the metabolome of human acute myeloid leukemia (AML) stem
cells to elucidate properties relevant to therapeutic intervention. We demonstrate that amino …