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Science 10 March 1995:
Vol. 267. no. 5203, pp. 1506 - 1510
DOI: 10.1126/science.7878471

Articles

Science, Vol 267, Issue 5203, 1506-1510
Copyright © 1995 by American Association for the Advancement of Science


articles

Massive cell death of immature hematopoietic cells and neurons in Bcl-x-deficient mice

N Motoyama, F Wang, KA Roth, H Sawa, K Nakayama, K Nakayama, I Negishi, S Senju, Q Zhang, S Fujii, and al. et

Howard Hughes Medical Institute, Washington University School of Medicine, St. Louis, MO 63110.

bcl-x is a member of the bcl-2 gene family, which may regulate programmed cell death. Mice were generated that lacked Bcl-x. The Bcl-x-deficient mice died around embryonic day 13. Extensive apoptotic cell death was evident in postmitotic immature neurons of the developing brain, spinal cord, and dorsal root ganglia. Hematopoietic cells in the liver were also apoptotic. Analyses of bcl-x double-knockout chimeric mice showed that the maturation of Bcl-x-deficient lymphocytes was diminished. The life-span of immature lymphocytes, but not mature lymphocytes, was shortened. Thus, Bcl-x functions to support the viability of immature cells during the development of the nervous and hematopoietic systems.


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In vivo cooperation between Bcl-xL and the phosphoinositide 3-kinase-Akt signaling pathway for the protection of epidermal keratinocytes from apoptosis.
J. UMEDA, S. SANO, K. KOGAWA, N. MOTOYAMA, K. YOSHIKAWA, S. ITAMI, G. KONDOH, T. WATANABE, and J. TAKEDA (2003)
FASEB J 17, 610-620
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Bcl-XL is required for heme synthesis during the chemical induction of erythroid differentiation of murine erythroleukemia cells independently of its antiapoptotic function.
K. Hafid-Medheb, Y. Augery-Bourget, M.-N. Minatchy, N. Hanania, and J. Robert-Lezenes (2003)
Blood 101, 2575-2583
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Functional and Biochemical Consequences of Abrogating the Activation of Multiple Diverse Early Signaling Pathways in Kit. ROLE FOR Src KINASE PATHWAY IN KIT-INDUCED COOPERATION WITH ERYTHROPOIETIN RECEPTOR.
B. L. Tan, L. Hong, V. Munugalavadla, and R. Kapur (2003)
J. Biol. Chem. 278, 11686-11695
   Abstract »    Full Text »    PDF »
The function of the bcl-x promoter in erythroid progenitor cells.
C. Tian, P. Gregoli, and M. Bondurant (2003)
Blood 101, 2235-2242
   Abstract »    Full Text »    PDF »
Erythropoietin receptor signalling is required for normal brain development.
X. Yu, J. J. Shacka, J. B. Eells, C. Suarez-Quian, R. M. Przygodzki, B. Beleslin-Cokic, C.-S. Lin, V. M. Nikodem, B. Hempstead, K. C. Flanders, et al. (2003)
Development 129, 505-516
   Abstract »    Full Text »    PDF »
Characterization of the signal that directs Bcl-xL, but not Bcl-2, to the mitochondrial outer membrane.
T. Kaufmann, S. Schlipf, J. Sanz, K. Neubert, R. Stein, and C. Borner (2003)
J. Cell Biol. 160, 53-64
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Signal-Transducing Adaptor Molecules STAM1 and STAM2 Are Required for T-Cell Development and Survival.
M. Yamada, N. Ishii, H. Asao, K. Murata, C. Kanazawa, H. Sasaki, and K. Sugamura (2002)
Mol. Cell. Biol. 22, 8648-8658
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CD27 and CD40 Inhibit p53-independent Mitochondrial Pathways in Apoptosis of B Cells Induced by B Cell Receptor Ligation.
H. Hase, Y. Kanno, H. Kojima, C. Morimoto, K. Okumura, and T. Kobata (2002)
J. Biol. Chem. 277, 46950-46958
   Abstract »    Full Text »    PDF »
p73 Is Required for Survival and Maintenance of CNS Neurons.
C. D. Pozniak, F. Barnabe-Heider, V. V. Rymar, A. F. Lee, A. F. Sadikot, and F. D. Miller (2002)
J. Neurosci. 22, 9800-9809
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Murine Ovarian Development Is Not Affected by Inactivation of the Bcl-2 Family Member Diva.
H. R. Russell, Y. Lee, H. L. Miller, J. Zhao, and P. J. McKinnon (2002)
Mol. Cell. Biol. 22, 6866-6870
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Orphan nuclear receptors in T lymphocyte development.
Y.-W. He (2002)
J. Leukoc. Biol. 72, 440-446
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Protection of CLL B cells by a follicular dendritic cell line is dependent on induction of Mcl-1.
I. M. Pedersen, S. Kitada, L. M. Leoni, J. M. Zapata, J. G. Karras, N. Tsukada, T. J. Kipps, Y. S. Choi, F. Bennett, and J. C. Reed (2002)
Blood 100, 1795-1801
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In Vivo Delivery of a Bcl-xL Fusion Protein Containing the TAT Protein Transduction Domain Protects against Ischemic Brain Injury and Neuronal Apoptosis.
G. Cao, W. Pei, H. Ge, Q. Liang, Y. Luo, F. R. Sharp, A. Lu, R. Ran, S. H. Graham, and J. Chen (2002)
J. Neurosci. 22, 5423-5431
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Antisense therapy for malignant mesothelioma with oligonucleotides targeting the bcl-xl gene product.
W. R. Smythe, I. Mohuiddin, M. Ozveran, and X. X. Cao (2002)
J. Thorac. Cardiovasc. Surg. 123, 1191-1198
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Constitutive nuclear factor-kappa B activity preserves homeostasis of quiescent mature lymphocytes and granulocytes by controlling the expression of distinct Bcl-2 family proteins.
F. Bureau, A. Vanderplasschen, F. Jaspar, F. Minner, P.-P. Pastoret, M.-P. Merville, V. Bours, and P. Lekeux (2002)
Blood 99, 3683-3691
   Abstract »    Full Text »    PDF »



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