SMARCB1 loss interacts with neuronal differentiation state to block maturation and impact cell stability

Alison D. Parisian; Tomoyuki Koga; Shunichiro Miki; Pascal D. Johann; Marcel Kool; John R. Crawford; Frank B. Furnari

doi:10.1101/gad.339978.120

SMARCB1 loss interacts with neuronal differentiation state to block maturation and impact cell stability

Alison D. Parisian, Tomoyuki Koga, Shunichiro Miki, Pascal D. Johann, Marcel Kool, John R. Crawford, Frank B. Furnari

Neurosurgery

Research output: Contribution to journal › Article › peer-review

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Abstract

Atypical teratoid rhabdoid tumors (ATRTs) are challenging pediatric brain cancers that are predominantly associated with inactivation of the gene SMARCB1, a conserved subunit of the chromatin remodeling BAF complex, which has known contributions to developmental processes. To identify potential interactions between SMARCB1 loss and the process of neural development, we introduced an inducible SMARCB1 loss-of-function system into human induced pluripotent stem cells (iPSCs) that were subjected to either directed neuronal differentiation or differentiation into cerebral organoids. Using this system, we identified substantial differences in the downstream effects of SMARCB1 loss depending on differentiation state and identified an interaction between SMARCB1 loss and neural differentiation pressure that causes a resistance to terminal differentiation and a defect in maintenance of a normal cell state. Our results provide insight into how SMARCB1 loss might interact with neural development in the process of ATRT tumorigenesis.

Original language	English (US)
Pages (from-to)	1316-1329
Number of pages	14
Journal	Genes and Development
Volume	34
Issue number	19-20
DOIs	https://doi.org/10.1101/gad.339978.120
State	Published - Oct 1 2020

Bibliographical note

Funding Information:
We thank Dr. Bruce Conklin for providing CRISPR interference cell lines and constructs, and Dr. Diana Hargreaves for provision of BAF complex antibodies. In addition, we thank Rachel Reed and Dr. Ciro Zanca, Dr. Jorge Benitez, Dr. Jianhui Ma, Dr. Amy Haseley Thorne, Dr. Nathan Jameson, and Dr. Tiffany Taylor for their technical contributions to this project, and Dr. Gene Yeo, Dr. Robert Wechsler-Reya, Dr. Rafael Bejar, Dr. Alysson Muotri, and Dr. Lorraine Pillus for their continued advice and mentorship. This work was supported by Padres Pedal the Cause/RADY grant (PTC2017), the National Institute of General Medical Sciences (T32GM008666; to A.D.P.), the National Institute of Neurological Diseases and Stroke (R01-NS080939; to F.B.F.), and a Japan Society for the Promotion of Science (JSPS) Overseas Research Fellowship (S.M.). This publication includes data generated at the UC San Diego IGM Genomics Center using an Illumina NovaSeq 6000 that was purchased with funding from a National Institutes of Health SIG grant (S10 OD026929).

Publisher Copyright:
© 2020 Parisian et al.

Keywords

ATRT
BAF complex
IPSC
Neural development
Organoid
SMARCB1
Tumor modeling

PubMed: MeSH publication types

Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't

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SMARCB1 loss interacts with neuronal differentiation state to block maturation and impact cell stability. / Parisian, Alison D.; Koga, Tomoyuki; Miki, Shunichiro; Johann, Pascal D.; Kool, Marcel; Crawford, John R.; Furnari, Frank B.

In: Genes and Development, Vol. 34, No. 19-20, 01.10.2020, p. 1316-1329.

Research output: Contribution to journal › Article › peer-review

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abstract = "Atypical teratoid rhabdoid tumors (ATRTs) are challenging pediatric brain cancers that are predominantly associated with inactivation of the gene SMARCB1, a conserved subunit of the chromatin remodeling BAF complex, which has known contributions to developmental processes. To identify potential interactions between SMARCB1 loss and the process of neural development, we introduced an inducible SMARCB1 loss-of-function system into human induced pluripotent stem cells (iPSCs) that were subjected to either directed neuronal differentiation or differentiation into cerebral organoids. Using this system, we identified substantial differences in the downstream effects of SMARCB1 loss depending on differentiation state and identified an interaction between SMARCB1 loss and neural differentiation pressure that causes a resistance to terminal differentiation and a defect in maintenance of a normal cell state. Our results provide insight into how SMARCB1 loss might interact with neural development in the process of ATRT tumorigenesis.",

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note = "Funding Information: We thank Dr. Bruce Conklin for providing CRISPR interference cell lines and constructs, and Dr. Diana Hargreaves for provision of BAF complex antibodies. In addition, we thank Rachel Reed and Dr. Ciro Zanca, Dr. Jorge Benitez, Dr. Jianhui Ma, Dr. Amy Haseley Thorne, Dr. Nathan Jameson, and Dr. Tiffany Taylor for their technical contributions to this project, and Dr. Gene Yeo, Dr. Robert Wechsler-Reya, Dr. Rafael Bejar, Dr. Alysson Muotri, and Dr. Lorraine Pillus for their continued advice and mentorship. This work was supported by Padres Pedal the Cause/RADY grant (PTC2017), the National Institute of General Medical Sciences (T32GM008666; to A.D.P.), the National Institute of Neurological Diseases and Stroke (R01-NS080939; to F.B.F.), and a Japan Society for the Promotion of Science (JSPS) Overseas Research Fellowship (S.M.). This publication includes data generated at the UC San Diego IGM Genomics Center using an Illumina NovaSeq 6000 that was purchased with funding from a National Institutes of Health SIG grant (S10 OD026929). Publisher Copyright: {\textcopyright} 2020 Parisian et al.",

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AU - Kool, Marcel

AU - Crawford, John R.

AU - Furnari, Frank B.

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N2 - Atypical teratoid rhabdoid tumors (ATRTs) are challenging pediatric brain cancers that are predominantly associated with inactivation of the gene SMARCB1, a conserved subunit of the chromatin remodeling BAF complex, which has known contributions to developmental processes. To identify potential interactions between SMARCB1 loss and the process of neural development, we introduced an inducible SMARCB1 loss-of-function system into human induced pluripotent stem cells (iPSCs) that were subjected to either directed neuronal differentiation or differentiation into cerebral organoids. Using this system, we identified substantial differences in the downstream effects of SMARCB1 loss depending on differentiation state and identified an interaction between SMARCB1 loss and neural differentiation pressure that causes a resistance to terminal differentiation and a defect in maintenance of a normal cell state. Our results provide insight into how SMARCB1 loss might interact with neural development in the process of ATRT tumorigenesis.

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SMARCB1 loss interacts with neuronal differentiation state to block maturation and impact cell stability

Abstract

Bibliographical note

Keywords

PubMed: MeSH publication types

UN SDGs

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