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Targeting Of The Nuclear Receptor Coactivator Isoform Delta3aib1 In Breast Cancer
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Book Synopsis Targeting of the Nuclear Receptor Coactivator Isoform DELTA3AIB1 in Breast Cancer by :
Download or read book Targeting of the Nuclear Receptor Coactivator Isoform DELTA3AIB1 in Breast Cancer written by and published by . This book was released on 2007 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: AIB1 which stands for Amplified in Breast Cancer, codes for a protein that is a member of the steroid receptor coactivator (SRC) family. AIB1 is amplified in approximately 5-10% of breast cancers and the mRNA and protein overexpressed in>30% of breast cancers. AIB1 interacts with a superfamily of ligand activated nuclear receptors to potentiate transcriptional activity leading to upregulation of downstream target gene expression. An important finding was that an isoform of AIB1 (Delta3AIB1) is a significantly more effective coactivator of the estrogen receptor than AIB1 and is highly overexpressed in human breast cancer. Prior work in our lab showed that the downregulation of overall levels of AIB1 plus DELTA3AIB1, using a regulatable AIB1 directed ribozyme, resulted in reduced tumor growth in vivo. Overall, these data indicate a major role for AIB1 and its isoform DELTA3AIB1 in breast cancer development and growth. However the relative roles of AIB1 versus the more highly active DELTA3AIB1 in phenotypic changes in the breast has not been determined. In this investigation, we are developing a method to use siRNA directed at DELTA3AIB1 in order investigate its role in breast cancer and as a possible future therapeutic approach to breast cancer.
Book Synopsis Targeting of the Nuclear Receptor Coactivator Isoform Delta3Air in Breast Cancer by :
Download or read book Targeting of the Nuclear Receptor Coactivator Isoform Delta3Air in Breast Cancer written by and published by . This book was released on 2005 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Of particular interest to breast cancer was the discovery that an area of chromosome 20q, known to be frequently amplified in breast cancer, harbored the gene for AIB1. AIB1 which stands for "Amplified in Breast cancer" codes for a protein which is a member of the steroid receptor coactivator (SRC) family. AIB1 is amplified in approximately 5-10% of breast cancers and the mRNA and protein overexpressed in>30% of breast cancers. AIB1 interacts with a superfamily of ligand activated nuclear receptors including the estrogen receptor (ER) and progesterone receptor (PR) to potentiate transcriptional activity leading to upregulation of downstream target gene expression. An important finding was that an isoform of AIB1 (delta3AIB1) is a significantly more effective coactivator of the estrogen receptor than AIB1 and is highly overexpressed in human breast cancer. Prior work in our lab showed that the downregulation of overall levels of AIB1 plus delta3AIB1, using a regulatable AIB1 directed ribozyme, resulted in reduced tumor growth in vivo. Overall, these data indicate a major role for AIB1 and its isoform delta3AIB1 in breast cancer development and growth. However the relative roles of AIB1 versus the more highly active delta3AIB1 in phenotypic changes in the breast has not been determined.
Book Synopsis Placat angaaende Oprettelsen af en Direction for Universitetet og de lærde Skoler i Danmark og Norge by :
Download or read book Placat angaaende Oprettelsen af en Direction for Universitetet og de lærde Skoler i Danmark og Norge written by and published by . This book was released on 1950 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Targeting of the Nuclear Receptor Coativator Isoform Delta 3aib1 in Breast Cancer. Addendum by :
Download or read book Targeting of the Nuclear Receptor Coativator Isoform Delta 3aib1 in Breast Cancer. Addendum written by and published by . This book was released on 2007 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: AIB1 which stands for "Amplified in Breast Cancer" codes for a protein that is a member of the steroid receptor coactivator (SRC) family. AIB1 is amplified in approximately 5-10% of breast cancers and the mRNA and protein overexpressed in>30% of breast cancers. AIB1 interacts with a super family of ligand activated nuclear receptors to potentiate transcriptional activity leading to upregulation of downstream target gene expression. An important finding was that an isoform of AIB1 (DELTA 3AIB1) is a significantly more effective coactivator of the estrogen receptor than AIB1 and is highly overexpressed in human breast cancer. Prior work in our lab showed that the downregulation of overall levels of AIB1 plus DELTA 3AIB1, using a regulatable AIB1 directed ribozyme, resulted in reduced tumor growth in vivo. Overall, these data indicate a major role for AIB1 and its isoform DELTA 3AIB1 in breast cancer development and growth. However the relative roles of AIB1 versus the more highly active DELTA 3AIB1 in phenotypic changes in the breast has not been determined. In this investigation, we are developing a method to use siRNA directed at DELTA 3AIB1 in order investigate its role in breast cancer and as a possible future therapeutic approach to breast cancer.
