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Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation
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| Zeitschriftentitel: | Development |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , |
| In: | Development, 132, 2005, 24, S. 5577-5588 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
The Company of Biologists
|
| Schlagwörter: |
| author_facet |
Zhu, Yuan Harada, Takayuki Liu, Li Lush, Mark E. Guignard, Frantz Harada, Chikako Burns, Dennis K. Bajenaru, M. Livia Gutmann, David H. Parada, Luis F. Zhu, Yuan Harada, Takayuki Liu, Li Lush, Mark E. Guignard, Frantz Harada, Chikako Burns, Dennis K. Bajenaru, M. Livia Gutmann, David H. Parada, Luis F. |
|---|---|
| author |
Zhu, Yuan Harada, Takayuki Liu, Li Lush, Mark E. Guignard, Frantz Harada, Chikako Burns, Dennis K. Bajenaru, M. Livia Gutmann, David H. Parada, Luis F. |
| spellingShingle |
Zhu, Yuan Harada, Takayuki Liu, Li Lush, Mark E. Guignard, Frantz Harada, Chikako Burns, Dennis K. Bajenaru, M. Livia Gutmann, David H. Parada, Luis F. Development Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation Developmental Biology Molecular Biology |
| author_sort |
zhu, yuan |
| spelling |
Zhu, Yuan Harada, Takayuki Liu, Li Lush, Mark E. Guignard, Frantz Harada, Chikako Burns, Dennis K. Bajenaru, M. Livia Gutmann, David H. Parada, Luis F. 1477-9129 0950-1991 The Company of Biologists Developmental Biology Molecular Biology http://dx.doi.org/10.1242/dev.02162 <jats:p>The gene responsible for neurofibromatosis type 1 (NF1) encodes a tumor suppressor that functions as a negative regulator of the Ras proto-oncogene. Individuals with germline mutations in NF1 are predisposed to the development of benign and malignant tumors of the peripheral and central nervous system(CNS). Children with this disease suffer a high incidence of optic gliomas, a benign but potentially debilitating tumor of the optic nerve; and an increased incidence of malignant astrocytoma, reactive astrogliosis and intellectual deficits. In the present study, we have sought insight into the molecular and cellular basis of NF1-associated CNS pathologies. We show that mice genetically engineered to lack NF1 in CNS exhibit a variety of defects in glial cells. Primary among these is a developmental defect resulting in global reactive astrogliosis in the adult brain and increased proliferation of glial progenitor cells leading to enlarged optic nerves. As a consequence, all of the mutant optic nerves develop hyperplastic lesions, some of which progress to optic pathway gliomas. These data point to hyperproliferative glial progenitors as the source of the optic tumors and provide a genetic model for NF1-associated astrogliosis and optic glioma.</jats:p> Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation Development |
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10.1242/dev.02162 |
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| title |
Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_unstemmed |
Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_full |
Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_fullStr |
Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_full_unstemmed |
Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_short |
Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_sort |
inactivation of nf1 in cns causes increased glial progenitor proliferation and optic glioma formation |
| topic |
Developmental Biology Molecular Biology |
| url |
http://dx.doi.org/10.1242/dev.02162 |
| publishDate |
2005 |
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5577-5588 |
| description |
<jats:p>The gene responsible for neurofibromatosis type 1 (NF1) encodes a tumor suppressor that functions as a negative regulator of the Ras proto-oncogene. Individuals with germline mutations in NF1 are predisposed to the development of benign and malignant tumors of the peripheral and central nervous system(CNS). Children with this disease suffer a high incidence of optic gliomas, a benign but potentially debilitating tumor of the optic nerve; and an increased incidence of malignant astrocytoma, reactive astrogliosis and intellectual deficits. In the present study, we have sought insight into the molecular and cellular basis of NF1-associated CNS pathologies. We show that mice genetically engineered to lack NF1 in CNS exhibit a variety of defects in glial cells. Primary among these is a developmental defect resulting in global reactive astrogliosis in the adult brain and increased proliferation of glial progenitor cells leading to enlarged optic nerves. As a consequence, all of the mutant optic nerves develop hyperplastic lesions, some of which progress to optic pathway gliomas. These data point to hyperproliferative glial progenitors as the source of the optic tumors and provide a genetic model for NF1-associated astrogliosis and optic glioma.</jats:p> |
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| author | Zhu, Yuan, Harada, Takayuki, Liu, Li, Lush, Mark E., Guignard, Frantz, Harada, Chikako, Burns, Dennis K., Bajenaru, M. Livia, Gutmann, David H., Parada, Luis F. |
| author_facet | Zhu, Yuan, Harada, Takayuki, Liu, Li, Lush, Mark E., Guignard, Frantz, Harada, Chikako, Burns, Dennis K., Bajenaru, M. Livia, Gutmann, David H., Parada, Luis F., Zhu, Yuan, Harada, Takayuki, Liu, Li, Lush, Mark E., Guignard, Frantz, Harada, Chikako, Burns, Dennis K., Bajenaru, M. Livia, Gutmann, David H., Parada, Luis F. |
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| description | <jats:p>The gene responsible for neurofibromatosis type 1 (NF1) encodes a tumor suppressor that functions as a negative regulator of the Ras proto-oncogene. Individuals with germline mutations in NF1 are predisposed to the development of benign and malignant tumors of the peripheral and central nervous system(CNS). Children with this disease suffer a high incidence of optic gliomas, a benign but potentially debilitating tumor of the optic nerve; and an increased incidence of malignant astrocytoma, reactive astrogliosis and intellectual deficits. In the present study, we have sought insight into the molecular and cellular basis of NF1-associated CNS pathologies. We show that mice genetically engineered to lack NF1 in CNS exhibit a variety of defects in glial cells. Primary among these is a developmental defect resulting in global reactive astrogliosis in the adult brain and increased proliferation of glial progenitor cells leading to enlarged optic nerves. As a consequence, all of the mutant optic nerves develop hyperplastic lesions, some of which progress to optic pathway gliomas. These data point to hyperproliferative glial progenitors as the source of the optic tumors and provide a genetic model for NF1-associated astrogliosis and optic glioma.</jats:p> |
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| spelling | Zhu, Yuan Harada, Takayuki Liu, Li Lush, Mark E. Guignard, Frantz Harada, Chikako Burns, Dennis K. Bajenaru, M. Livia Gutmann, David H. Parada, Luis F. 1477-9129 0950-1991 The Company of Biologists Developmental Biology Molecular Biology http://dx.doi.org/10.1242/dev.02162 <jats:p>The gene responsible for neurofibromatosis type 1 (NF1) encodes a tumor suppressor that functions as a negative regulator of the Ras proto-oncogene. Individuals with germline mutations in NF1 are predisposed to the development of benign and malignant tumors of the peripheral and central nervous system(CNS). Children with this disease suffer a high incidence of optic gliomas, a benign but potentially debilitating tumor of the optic nerve; and an increased incidence of malignant astrocytoma, reactive astrogliosis and intellectual deficits. In the present study, we have sought insight into the molecular and cellular basis of NF1-associated CNS pathologies. We show that mice genetically engineered to lack NF1 in CNS exhibit a variety of defects in glial cells. Primary among these is a developmental defect resulting in global reactive astrogliosis in the adult brain and increased proliferation of glial progenitor cells leading to enlarged optic nerves. As a consequence, all of the mutant optic nerves develop hyperplastic lesions, some of which progress to optic pathway gliomas. These data point to hyperproliferative glial progenitors as the source of the optic tumors and provide a genetic model for NF1-associated astrogliosis and optic glioma.</jats:p> Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation Development |
| spellingShingle | Zhu, Yuan, Harada, Takayuki, Liu, Li, Lush, Mark E., Guignard, Frantz, Harada, Chikako, Burns, Dennis K., Bajenaru, M. Livia, Gutmann, David H., Parada, Luis F., Development, Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation, Developmental Biology, Molecular Biology |
| title | Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_full | Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_fullStr | Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_full_unstemmed | Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_short | Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| title_sort | inactivation of nf1 in cns causes increased glial progenitor proliferation and optic glioma formation |
| title_unstemmed | Inactivation of NF1 in CNS causes increased glial progenitor proliferation and optic glioma formation |
| topic | Developmental Biology, Molecular Biology |
| url | http://dx.doi.org/10.1242/dev.02162 |