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501.O2.8 Hematopoietic Stem and Progenitor Biology II

Monday, December 8, 2008: 3:30 PM-5:30 PM
Gateway Ballroom 103 - South (Moscone Center)
Moderators:
Gay M. Crooks, MD and David Traver, PhD
3:30 PM
MTG16, a Target of the T(16;21) in Acute Myeloid Leukemia, Is Required for Hematopoietic Stem and Progenitor Cell Functions

Melissa Ann Steapleton1*, Isabel Moreno, PhD2*, Brenda Chyla, PhD3* and Scott Hiebert, PhD4*

1Vanderbilt University Cancer Center, Nashville, TN
2Carolina Cardiovascular Biology Center, University of North Carolina, Chapel Hill, NC
3Abbott Laboratories, Abbott Park, IL
4Vanderbilt Cancer Center, Nashville, TN

3:45 PM
C-Myc Is a Major Target of Rbm15 in the Regulation of Hematopoietic Stem Cell and Megakaryocyte Development

Chao Niu, MD, PhD1, Jiwang Zhang, MD, PhD2* and Stephan W. Morris, MD1*

1St. Jude Children's Rsch. Hosp., Memphis, TN
2Department of Pathology and Oncology Institute, Loyola University, Stritch School of Medicine, Maywood, IL

4:00 PM
Regulation of Stem Cell Aging by Retinoblastoma Like-1 (p107)

Erin J. Oakley1*, Hartmut Geiger, PhD2* and Gary Van Zant, PhD3

1Physiology, University of Kentucky, Lexngton, KY
2Division of Experimental hematology and cancer biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
3Markey Cancer Center, Lexington, KY

4:15 PM
Inactivation of PUMA Protects Hematopoietic Stem Cells and Confers Long Term Survival in Response to High Dose γ-Irradiation

Hui Yu, MD, PhD1*, Hongmei Shen, PhD2, Feng Xu, MD1*, Xiaoxia Hu, MD, PhD1*, Yanxin Li, PhD1*, Yun Ling, MS1*, Jian Yu, PhD3*, Lin Zhang, PhD3*, Gerard P. Zambetti, PhD4* and Tao Cheng, MD1*

1Department of Radiation Oncology, University of Pittsburgh, Pittsburgh, PA
2Thomas E. Starzl Transplantation Institute, Univ. of Pittsburgh, Pittsburgh, PA
3University of Pittsburgh Cancer Institute, University of Pittsburgh, Pittsburgh, PA
4Department of Biochemistry, St. Jude Children's Research Hospital, Memphis, TN

4:30 PM
Hematopoietic Cells from Ube1L-Deficient Mice Exhibit Impaired Short-Term Reconstitution Capacity Under the Stress of Bone Marrow Transplantation

Xiuli Cong, MD, PhD*, Ming Yan* and Xiaoyan Yin*

Moores UCSD Cancer Center and Department of Pathology, University of California San Diego, La Jolla, CA

4:45 PM
Absence of the Rho GTPase Activating Protein p190-B Enhances Long Term Hematopoietic Stem Cell Engraftment

Haiming Xu1*, Hartmut Geiger1*, Kathleen Szczur1*, Deidra Deira1*, Yi Zheng1*, Jeffrey Settleman2*, Edward Srour3*, David A Williams4* and Marie-Dominique Filippi1

1Experimental Hematology, Cincinnati Children's Research Foundation, Cincinnati, OH
2Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston
3Indiana University School of Medicine, Indianapolis
4Division of Hematology/Oncology Department of Pediatrics, Children's Hospital Boston and Harvard Medical School, Boston

5:00 PM
Rapid Mobilization of Long Term Repopulating Hematopoietic Stem Cells (HSC) with AMD15057, a Small Molecule Inhibitor of VLA4; Synergism with AMD3100 and G-CSFClinically Relevant Abstract

Pablo A. Ramirez, MD1, Michael Rettig, PhD1*, Matthew Holt2*, Julie Ritchey2* and John F. DiPersio, MD, PhD1*

1Internal Medicine, Washington Univ. in St. Louis, Saint Louis, MO
2Department of Medicine, Siteman Cancer Center, Washington University School of Medicine, Saint Louis, MO

5:15 PM
GSK-3β Inhibition Activates WNT,  Delays Division and Preserves the Function in Hematopoietic Stem Cell

Alla Dolnikov, Kap-hyoun Ko*, Emma Song*, Tiffany Holmes* and Tracey A O'Brien

Sydney Cord & Marrow Research Facility, Centre for Children's Cancer & Blood Disorders, Sydney Children's Hospital, Sydney, Australia

*signifies non-member of ASH