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University of Massachusetts Cancer Center, Worcester, Massachusetts 01655 [M-E. T., B. R.]; Cancer Biology Program-Hematology/Oncology Division [G. J. B., S. P. B.], Clinical Investigator Training Program, Beth Israel Deaconess Medical Center-Harvard/Massachusetts Institute of Technology Health Sciences and Technology, in collaboration with Pfizer, Inc. [Y-J. K.], and Pathology Department [M. U.], Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215; and Urologic Oncology Program, University of California at San Francisco-Mount Zion Cancer Center, San Francisco, California 94120 [E. J. S.]
The role of androgen receptor (AR) mutations in androgen-independent prostate cancer (PCa) was determined by examining AR transcripts and genes from a large series of bone marrow metastases. Mutations were found in 5 of 16 patients who received combined androgen blockade with the AR antagonist flutamide, and these mutant ARs were strongly stimulated by flutamide. In contrast, the single mutant AR found among 17 patients treated with androgen ablation monotherapy was not flutamide stimulated. Patients with flutamide-stimulated AR mutations responded to subsequent treatment with bicalutamide, an AR antagonist that blocks the mutant ARs. These findings demonstrate that AR mutations occur in response to strong selective pressure from flutamide treatment.
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I. V. Litvinov, A. M. De Marzo, and J. T. Isaacs Is the Achilles' Heel for Prostate Cancer Therapy a Gain of Function in Androgen Receptor Signaling? J. Clin. Endocrinol. Metab., July 1, 2003; 88(7): 2972 - 2982. [Full Text] [PDF] |
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M. M. Rahman, H. Miyamoto, H. Takatera, S. Yeh, S. Altuwaijri, and C. Chang Reducing the Agonist Activity of Antiandrogens by a Dominant-negative Androgen Receptor Coregulator ARA70 in Prostate Cancer Cells J. Biol. Chem., May 23, 2003; 278(22): 19619 - 19626. [Abstract] [Full Text] [PDF] |
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N. J. Nesslinger, X.-B. Shi, and R. W. deVere White Androgen-independent Growth of LNCaP Prostate Cancer Cells Is Mediated by Gain-of-Function Mutant p53 Cancer Res., May 1, 2003; 63(9): 2228 - 2233. [Abstract] [Full Text] [PDF] |
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A. de la Taille, M. A. Rubin, M.-W. Chen, F. Vacherot, S. G.-D. de Medina, M. Burchardt, R. Buttyan, and D. Chopin {beta}-Catenin-related Anomalies in Apoptosis-resistant and Hormone-refractory Prostate Cancer Cells Clin. Cancer Res., May 1, 2003; 9(5): 1801 - 1807. [Abstract] [Full Text] [PDF] |
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M. M. Rahman, H. Miyamoto, H. Lardy, and C. Chang Inactivation of androgen receptor coregulator ARA55 inhibits androgen receptor activity and agonist effect of antiandrogens in prostate cancer cells PNAS, April 29, 2003; 100(9): 5124 - 5129. [Abstract] [Full Text] [PDF] |
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L.-N. Song, R. Herrell, S. Byers, S. Shah, E. M. Wilson, and E. P. Gelmann {beta}-Catenin Binds to the Activation Function 2 Region of the Androgen Receptor and Modulates the Effects of the N-Terminal Domain and TIF2 on Ligand-Dependent Transcription Mol. Cell. Biol., March 1, 2003; 23(5): 1674 - 1687. [Abstract] [Full Text] [PDF] |
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D. J. Lamb, E. Puxeddu, N. Malik, D. L. Stenoien, R. Nigam, G. Y. Saleh, M. Mancini, N. L. Weigel, and M. Marcelli Molecular Analysis of the Androgen Receptor in Ten Prostate Cancer Specimens Obtained Before and After Androgen Ablation J Androl, March 1, 2003; 24(2): 215 - 225. [Abstract] [Full Text] [PDF] |
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S. P. Balk, Y.-J. Ko, and G. J. Bubley Biology of Prostate-Specific Antigen J. Clin. Oncol., January 15, 2003; 21(2): 383 - 391. [Abstract] [Full Text] [PDF] |
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T. Hara, J.-i. Miyazaki, H. Araki, M. Yamaoka, N. Kanzaki, M. Kusaka, and M. Miyamoto Novel Mutations of Androgen Receptor: A Possible Mechanism of Bicalutamide Withdrawal Syndrome Cancer Res., January 1, 2003; 63(1): 149 - 153. [Abstract] [Full Text] [PDF] |
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B. Comuzzi, L. Lambrinidis, H. Rogatsch, S. Godoy-Tundidor, N. Knezevic, I. Krhen, Z. Marekovic, G. Bartsch, H. Klocker, A. Hobisch, et al. The Transcriptional Co-Activator cAMP Response Element-Binding Protein-Binding Protein Is Expressed in Prostate Cancer and Enhances Androgen- and Anti-Androgen-Induced Androgen Receptor Function Am. J. Pathol., January 1, 2003; 162(1): 233 - 241. [Abstract] [Full Text] [PDF] |
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R. M. Adam, J. Kim, J. Lin, A. Orsola, L. Zhuang, D. C. Rice, and M. R. Freeman* Heparin-Binding Epidermal Growth Factor-Like Growth Factor Stimulates Androgen-Independent Prostate Tumor Growth and Antagonizes Androgen Receptor Function Endocrinology, December 1, 2002; 143(12): 4599 - 4608. [Abstract] [Full Text] [PDF] |
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A. J. James, I. U. Agoulnik, J. M. Harris, G. Buchanan, W. D. Tilley, M. Marcelli, D. J. Lamb, and N. L. Weigel A Novel Androgen Receptor Mutant, A748T, Exhibits Hormone Concentration-Dependent Defects in Nuclear Accumulation and Activity Despite Normal Hormone-Binding Affinity Mol. Endocrinol., December 1, 2002; 16(12): 2692 - 2705. [Abstract] [Full Text] [PDF] |
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Y.-F. Lee, W.-J. Lin, J. Huang, E. M. Messing, F. L. Chan, G. Wilding, and C. Chang Activation of Mitogen-activated Protein Kinase Pathway by the Antiandrogen Hydroxyflutamide in Androgen Receptor-negative Prostate Cancer Cells Cancer Res., November 1, 2002; 62(21): 6039 - 6044. [Abstract] [Full Text] [PDF] |
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D. Masiello, S. Cheng, G. J. Bubley, M. L. Lu, and S. P. Balk Bicalutamide Functions as an Androgen Receptor Antagonist by Assembly of a Transcriptionally Inactive Receptor J. Biol. Chem., July 12, 2002; 277(29): 26321 - 26326. [Abstract] [Full Text] [PDF] |
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E. P. Gelmann Molecular Biology of the Androgen Receptor J. Clin. Oncol., July 1, 2002; 20(13): 3001 - 3015. [Abstract] [Full Text] [PDF] |
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S. Godoy-Tundidor, A. Hobisch, K. Pfeil, G. Bartsch, and Z. Culig Acquisition of Agonistic Properties of Nonsteroidal Antiandrogens after Treatment with Oncostatin M in Prostate Cancer Cells Clin. Cancer Res., July 1, 2002; 8(7): 2356 - 2361. [Abstract] [Full Text] [PDF] |
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A. V. Krishnan, X.-Y. Zhao, S. Swami, L. Brive, D. M. Peehl, K. R. Ely, and D. Feldman A Glucocorticoid-Responsive Mutant Androgen Receptor Exhibits Unique Ligand Specificity: Therapeutic Implications for Androgen-Independent Prostate Cancer Endocrinology, May 1, 2002; 143(5): 1889 - 1900. [Abstract] [Full Text] [PDF] |
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L. Neckers Heat Shock Protein 90 Inhibition by 17-Allylamino-17- demethoxygeldanamycin: A Novel Therapeutic Approach for Treating Hormone-refractory Prostate Cancer : Commentary re: D. B. Solit et al., 17-Allylamino-17-demethoxygeldanamycin Induces the Degradation of Androgen Receptor and Her-2/neu and Inhibits the Growth of Prostate Cancer Xenografts. Clin. Cancer Res., 8: 986-993, 2002. Clin. Cancer Res., May 1, 2002; 8(5): 962 - 966. [Full Text] [PDF] |
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D. B. Solit, F. F. Zheng, M. Drobnjak, P. N. Munster, B. Higgins, D. Verbel, G. Heller, W. Tong, C. Cordon-Cardo, D. B. Agus, et al. 17-Allylamino-17-demethoxygeldanamycin Induces the Degradation of Androgen Receptor and HER-2/neu and Inhibits the Growth of Prostate Cancer Xenografts Clin. Cancer Res., May 1, 2002; 8(5): 986 - 993. [Abstract] [Full Text] [PDF] |
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Y. B. Wetherill, C. E. Petre, K. R. Monk, A. Puga, and K. E. Knudsen The Xenoestrogen Bisphenol A Induces Inappropriate Androgen Receptor Activation and Mitogenesis in Prostatic Adenocarcinoma Cells Mol. Cancer Ther., May 1, 2002; 1(7): 515 - 524. [Abstract] [Full Text] [PDF] |
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C.-Y. Chang and D. P. McDonnell Evaluation of Ligand-Dependent Changes in AR Structure Using Peptide Probes Mol. Endocrinol., April 1, 2002; 16(4): 647 - 660. [Abstract] [Full Text] [PDF] |
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X.-B. Shi, A.-H. Ma, L. Xia, H.-J. Kung, and R. W. de Vere White Functional Analysis of 44 Mutant Androgen Receptors from Human Prostate Cancer Cancer Res., March 1, 2002; 62(5): 1496 - 1502. [Abstract] [Full Text] [PDF] |
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S. R. Lee, S. M. Ramos, A. Ko, D. Masiello, K. D. Swanson, M. L. Lu, and S. P. Balk AR and ER Interaction with a p21-Activated Kinase (PAK6) Mol. Endocrinol., January 1, 2002; 16(1): 85 - 99. [Abstract] [Full Text] [PDF] |
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