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A Truncated Isoform of the Human β Chain Common to the
Receptors for Granulocyte-Macrophage ColonyStimulating Factor, Interleukin-3 (IL-3), and IL-5 With
Increased mRNA Expression in Some Patients With Acute
Leukemia
by Rosemary E. Gale, Robin W. Freeburn, Asim Khwaja, Rajesh Chopra, and David
C. Linch
Blood
Volume 91(1):54-63
January 1, 1998
©1998 by American Society of Hematology
RT-PCR analysis of the GMRβC chain between nucleotides 1281 and 1620 of the published
sequence17 using RNA from hematopoietic cell lines (TF-1 and U937) and leukemic blasts of 2
patients with AML (Pt).
Rosemary E. Gale et al. Blood 1998;91:54-63
©1998 by American Society of Hematology
(A) Protein structure of the GMRβC chain compared with predicted structure of the βIT chain
formed by splicing out the 104-bp exon in the membrane-proximal region.
Rosemary E. Gale et al. Blood 1998;91:54-63
©1998 by American Society of Hematology
RNAse protection analysis of the GMRβ chain using total RNA from hematopoietic cell lines (TF1), primary myeloid cells (purified neutrophils, CD34+ cells, and mononuclear cells from normal
bone marrow), and leukemic blasts from patients with AML. The full-...
Rosemary E. Gale et al. Blood 1998;91:54-63
©1998 by American Society of Hematology
Relative expression of βIT mRNA as detected by RNAse protection assays (•) or semiquantitative
RT-PCR (○) on total RNA from hematopoietic cell lines, primary myeloid cells, and leukemic
blasts of patients with ALL or AML of varying FAB types (M0 to M6).
Rosemary E. Gale et al. Blood 1998;91:54-63
©1998 by American Society of Hematology
Scatchard analysis of 125I-GM-CSF binding to COS-7 cells transiently transfected with either
GMRα (○) or GMRα + βIT (•).
Rosemary E. Gale et al. Blood 1998;91:54-63
©1998 by American Society of Hematology
JAK2 association with the βIT chain and subsequent phosphorylation by stimulation with GMCSF.
Rosemary E. Gale et al. Blood 1998;91:54-63
©1998 by American Society of Hematology
Protein expression of the βIT chain.
Rosemary E. Gale et al. Blood 1998;91:54-63
©1998 by American Society of Hematology
[3H]thymidine uptake assay of CTLL-2 clones transfected with vector (○), GMRα (•), GMRα + βC
(αβC), or GMRα + βIT(αβIT) and stimulated with increasing concentrations of GM-CSF.
Rosemary E. Gale et al. Blood 1998;91:54-63
©1998 by American Society of Hematology
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