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VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development
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| Zeitschriftentitel: | Blood |
|---|---|
| Personen und Körperschaften: | , , , , , , , |
| In: | Blood, 103, 2004, 2, S. 562-570 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Society of Hematology
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| Schlagwörter: |
| author_facet |
Nishimura, Motohiro Fukushima-Nakase, Yoko Fujita, Yasuko Nakao, Mitsushige Toda, Shogo Kitamura, Nobuo Abe, Tatsuo Okuda, Tsukasa Nishimura, Motohiro Fukushima-Nakase, Yoko Fujita, Yasuko Nakao, Mitsushige Toda, Shogo Kitamura, Nobuo Abe, Tatsuo Okuda, Tsukasa |
|---|---|
| author |
Nishimura, Motohiro Fukushima-Nakase, Yoko Fujita, Yasuko Nakao, Mitsushige Toda, Shogo Kitamura, Nobuo Abe, Tatsuo Okuda, Tsukasa |
| spellingShingle |
Nishimura, Motohiro Fukushima-Nakase, Yoko Fujita, Yasuko Nakao, Mitsushige Toda, Shogo Kitamura, Nobuo Abe, Tatsuo Okuda, Tsukasa Blood VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development Cell Biology Hematology Immunology Biochemistry |
| author_sort |
nishimura, motohiro |
| spelling |
Nishimura, Motohiro Fukushima-Nakase, Yoko Fujita, Yasuko Nakao, Mitsushige Toda, Shogo Kitamura, Nobuo Abe, Tatsuo Okuda, Tsukasa 0006-4971 1528-0020 American Society of Hematology Cell Biology Hematology Immunology Biochemistry http://dx.doi.org/10.1182/blood-2003-06-2109 <jats:title>Abstract</jats:title><jats:p>AML1/Runx1 is a frequent target of leukemia-associated gene aberration, and it encodes a transcription factor essential for definitive hematopoiesis. We previously reported that the AML1 molecules with trans-activation subdomains retained can rescue in vitro hematopoietic defects of AML1-deficient mouse embryonic stem (ES) cells when expressed by using a knock-in approach. Extending this notion to in vivo conditions, we found that the knock-in ES cell clones with AML1 mutants, which retain trans-activation subdomains but lack C-terminal repression subdomains including the conserved VWRPY motif, contribute to hematopoietic tissues in chimera mice. We also found that germline mice homozygous for the mutated AML1 allele, which lacks the VWRPY motif, exhibit a minimal effect on hematopoietic development, as was observed in control knock-in mice with full-length AML1. On the other hand, reduced cell numbers and deviant CD4 expression were observed during early T-lymphoid ontogeny in the VWRPY-deficient mice, whereas the contribution to the thymus by the corresponding ES cell clones was inadequate. These findings demonstrate that AML1 with its trans-activating subdomains is essential and sufficient for hematopoietic development in the context of the entire mouse. In addition, its trans-repression activity, depending on the C-terminal VWRPY motif, plays a role in early thymocyte development.</jats:p> VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development Blood |
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10.1182/blood-2003-06-2109 |
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American Society of Hematology, 2004 |
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American Society of Hematology, 2004 |
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| title |
VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_unstemmed |
VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_full |
VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_fullStr |
VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_full_unstemmed |
VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_short |
VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_sort |
vwrpy motif–dependent and –independent roles of aml1/runx1 transcription factor in murine hematopoietic development |
| topic |
Cell Biology Hematology Immunology Biochemistry |
| url |
http://dx.doi.org/10.1182/blood-2003-06-2109 |
| publishDate |
2004 |
| physical |
562-570 |
| description |
<jats:title>Abstract</jats:title><jats:p>AML1/Runx1 is a frequent target of leukemia-associated gene aberration, and it encodes a transcription factor essential for definitive hematopoiesis. We previously reported that the AML1 molecules with trans-activation subdomains retained can rescue in vitro hematopoietic defects of AML1-deficient mouse embryonic stem (ES) cells when expressed by using a knock-in approach. Extending this notion to in vivo conditions, we found that the knock-in ES cell clones with AML1 mutants, which retain trans-activation subdomains but lack C-terminal repression subdomains including the conserved VWRPY motif, contribute to hematopoietic tissues in chimera mice. We also found that germline mice homozygous for the mutated AML1 allele, which lacks the VWRPY motif, exhibit a minimal effect on hematopoietic development, as was observed in control knock-in mice with full-length AML1. On the other hand, reduced cell numbers and deviant CD4 expression were observed during early T-lymphoid ontogeny in the VWRPY-deficient mice, whereas the contribution to the thymus by the corresponding ES cell clones was inadequate. These findings demonstrate that AML1 with its trans-activating subdomains is essential and sufficient for hematopoietic development in the context of the entire mouse. In addition, its trans-repression activity, depending on the C-terminal VWRPY motif, plays a role in early thymocyte development.</jats:p> |
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| author | Nishimura, Motohiro, Fukushima-Nakase, Yoko, Fujita, Yasuko, Nakao, Mitsushige, Toda, Shogo, Kitamura, Nobuo, Abe, Tatsuo, Okuda, Tsukasa |
| author_facet | Nishimura, Motohiro, Fukushima-Nakase, Yoko, Fujita, Yasuko, Nakao, Mitsushige, Toda, Shogo, Kitamura, Nobuo, Abe, Tatsuo, Okuda, Tsukasa, Nishimura, Motohiro, Fukushima-Nakase, Yoko, Fujita, Yasuko, Nakao, Mitsushige, Toda, Shogo, Kitamura, Nobuo, Abe, Tatsuo, Okuda, Tsukasa |
| author_sort | nishimura, motohiro |
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| description | <jats:title>Abstract</jats:title><jats:p>AML1/Runx1 is a frequent target of leukemia-associated gene aberration, and it encodes a transcription factor essential for definitive hematopoiesis. We previously reported that the AML1 molecules with trans-activation subdomains retained can rescue in vitro hematopoietic defects of AML1-deficient mouse embryonic stem (ES) cells when expressed by using a knock-in approach. Extending this notion to in vivo conditions, we found that the knock-in ES cell clones with AML1 mutants, which retain trans-activation subdomains but lack C-terminal repression subdomains including the conserved VWRPY motif, contribute to hematopoietic tissues in chimera mice. We also found that germline mice homozygous for the mutated AML1 allele, which lacks the VWRPY motif, exhibit a minimal effect on hematopoietic development, as was observed in control knock-in mice with full-length AML1. On the other hand, reduced cell numbers and deviant CD4 expression were observed during early T-lymphoid ontogeny in the VWRPY-deficient mice, whereas the contribution to the thymus by the corresponding ES cell clones was inadequate. These findings demonstrate that AML1 with its trans-activating subdomains is essential and sufficient for hematopoietic development in the context of the entire mouse. In addition, its trans-repression activity, depending on the C-terminal VWRPY motif, plays a role in early thymocyte development.</jats:p> |
| doi_str_mv | 10.1182/blood-2003-06-2109 |
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| imprint | American Society of Hematology, 2004 |
| imprint_str_mv | American Society of Hematology, 2004 |
| institution | DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161 |
| issn | 0006-4971, 1528-0020 |
| issn_str_mv | 0006-4971, 1528-0020 |
| language | English |
| last_indexed | 2024-03-01T17:11:23.571Z |
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| spelling | Nishimura, Motohiro Fukushima-Nakase, Yoko Fujita, Yasuko Nakao, Mitsushige Toda, Shogo Kitamura, Nobuo Abe, Tatsuo Okuda, Tsukasa 0006-4971 1528-0020 American Society of Hematology Cell Biology Hematology Immunology Biochemistry http://dx.doi.org/10.1182/blood-2003-06-2109 <jats:title>Abstract</jats:title><jats:p>AML1/Runx1 is a frequent target of leukemia-associated gene aberration, and it encodes a transcription factor essential for definitive hematopoiesis. We previously reported that the AML1 molecules with trans-activation subdomains retained can rescue in vitro hematopoietic defects of AML1-deficient mouse embryonic stem (ES) cells when expressed by using a knock-in approach. Extending this notion to in vivo conditions, we found that the knock-in ES cell clones with AML1 mutants, which retain trans-activation subdomains but lack C-terminal repression subdomains including the conserved VWRPY motif, contribute to hematopoietic tissues in chimera mice. We also found that germline mice homozygous for the mutated AML1 allele, which lacks the VWRPY motif, exhibit a minimal effect on hematopoietic development, as was observed in control knock-in mice with full-length AML1. On the other hand, reduced cell numbers and deviant CD4 expression were observed during early T-lymphoid ontogeny in the VWRPY-deficient mice, whereas the contribution to the thymus by the corresponding ES cell clones was inadequate. These findings demonstrate that AML1 with its trans-activating subdomains is essential and sufficient for hematopoietic development in the context of the entire mouse. In addition, its trans-repression activity, depending on the C-terminal VWRPY motif, plays a role in early thymocyte development.</jats:p> VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development Blood |
| spellingShingle | Nishimura, Motohiro, Fukushima-Nakase, Yoko, Fujita, Yasuko, Nakao, Mitsushige, Toda, Shogo, Kitamura, Nobuo, Abe, Tatsuo, Okuda, Tsukasa, Blood, VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development, Cell Biology, Hematology, Immunology, Biochemistry |
| title | VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_full | VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_fullStr | VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_full_unstemmed | VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_short | VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| title_sort | vwrpy motif–dependent and –independent roles of aml1/runx1 transcription factor in murine hematopoietic development |
| title_unstemmed | VWRPY motif–dependent and –independent roles of AML1/Runx1 transcription factor in murine hematopoietic development |
| topic | Cell Biology, Hematology, Immunology, Biochemistry |
| url | http://dx.doi.org/10.1182/blood-2003-06-2109 |