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Cell and Developmental Biology Commons™
Open Access. Powered by Scholars. Published by Universities.®
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Articles 61 - 63 of 63
Full-Text Articles in Cell and Developmental Biology
The P38 Alpha Stress-Activated Protein Kinase Pathway In Mammary Gland Development And Cancer, Huei-Chi Wen
The P38 Alpha Stress-Activated Protein Kinase Pathway In Mammary Gland Development And Cancer, Huei-Chi Wen
Legacy Theses & Dissertations (2009 - 2024)
Breast tumors arise from preinvasive lesions consisting of abnormal epithelial cells that accumulate within the mammary duct. However, the initiating steps and underlying pathways leading to the formation of these early stages of breast carcinoma, such as ductal carcinoma in situ (DCIS), is not fully understood.
Live-Cell Studies On Mitotic Slippage In Humans, Daniela A. Brito
Live-Cell Studies On Mitotic Slippage In Humans, Daniela A. Brito
Legacy Theses & Dissertations (2009 - 2024)
Checkpoints are regulatory pathways that control the order and timing of specific cell-cycle events. In the presence of unattached/weakly-attached kinetochores, the mitotic checkpoint (MC) arrests cells in mitosis by inhibiting the degradation of cyclin B, the regulatory subunit of Cdk1 (cyclin dependent kinase 1). Checkpoints do not arrest cells permanently, and escaping mitosis with an unsatisfied MC requires cyclin B/Cdk1 inactivation. In yeast, this occurs through an “adaptation” mechanism involving inhibitory phosphorylations and/or Cdk1-inhibitors. To determine how vertebrate cells escape mitosis when the MC cannot be satisfied I conducted live-cell imaging and immunofluorescence studies on nocodazole-treated rat kangaroo (PtK) and …
An Rnai Screen Targeting The Protein Tyrosine Kinases Identifies Bruton's Tyrosine Kinase (Btk) As A Breast Cancer Cell Survival Factor, Cheryl Lynne Eifert
An Rnai Screen Targeting The Protein Tyrosine Kinases Identifies Bruton's Tyrosine Kinase (Btk) As A Breast Cancer Cell Survival Factor, Cheryl Lynne Eifert
Legacy Theses & Dissertations (2009 - 2024)
The receptor protein tyrosine kinases (RPTKs) and the non- receptor protein tyrosine kinases (PTKs) are among the most commonly up-regulated genes found in all types of cancers. Although, a large body of data implicates a majority of tyrosine kinases (TKs) in cancer, few have been extensively evaluated for any potential therapeutic benefit in any of the many subtypes of breast cancer. We have used RNA interference (RNAi) to perform a large-scale loss-of-function analysis to facilitate the identification of individual factors necessary for the survival of an ErbB2 positive breast cancer cell line. We have found that 30% of the TKs …