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Full-Text Articles in Cell Biology

The Expression Of T-Box (Tbx3) In The Bovine Mammary Gland, Maria L. Procopio Ms. Aug 2011

The Expression Of T-Box (Tbx3) In The Bovine Mammary Gland, Maria L. Procopio Ms.

Master's Theses

Development of the bovine mammary gland is a complex process that is regulated by several hormones, growth factors and transcription factors including but not limited to growth hormone (GH), insulin-like growth factor (IGF)-I and T-box (Tbx)2 and 3. Tbx2 and Tbx3 are transcription factors required for mammary gland development in humans and known to regulate cell cycle. In addition, there is recent evidence that GH increases expression of Tbx3 in osteoblasts independent of IGF-I. Based on these findings, we hypothesized GH and IGF-I will increase Tbx2 and Tbx3 expression in bovine mammary epithelial cells (MEC), the cell responsible for milk …


Mechanistic Study Of The Small Molecule Inhibitor Dx-52-1, Junru Cui May 2011

Mechanistic Study Of The Small Molecule Inhibitor Dx-52-1, Junru Cui

Master's Theses

Cell migration is a basic biological process that is fundamental to several normal and disease processes such as embryonic development, tissue repair, immune function, angiogenesis and cancer cell invasion and metastasis. Small organic molecules inhibiting cell migration can be used as both research probes and therapeutic agents. DX-52-1, a semisynthetic derivative of the natural product quinocarmycin (also known as quinocarcin), inhibits the migration of Madin-Darby canine kidney epithelial cells with nanomolar concentration. We have identified galectin-3, a multifunctional protein whose best-known function is its sugar binding ability, as a secondary target of DX-52-1 with functions in cell motility. In addition, …