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Article: TOX2 regulates human natural killer cell development by controlling T-BET expression

TitleTOX2 regulates human natural killer cell development by controlling T-BET expression
Authors
Issue Date2014
Citation
Blood, 2014, v. 124, n. 26, p. 3905-3913 How to Cite?
Abstract© 2014 by The American Society of Hematology. Thymocyte selection-associated high mobility group box protein family member 2 (TOX2) is a transcription factor belonging to the TOX family that shares a highly conserved high mobility group DNA-binding domain with the other TOX members. Although TOX1 has been shown to be an essential regulator of T-cell and natural killer (NK) cell differentiation in mice, little is known about the roles of the other TOX family members in lymphocyte development, particularly in humans. In this study, we found that TOX2 was preferentially expressed in mature human NK cells (mNK) and was upregulated during invitro differentiation of NK cells from human umbilical cord blood (UCB)-derived CD34+ cells. Gene silencing of TOX2 intrinsically hindered the transition between early developmental stages of NK cells, whereas overexpression of TOX2 enhanced the development of mNK cells from UCB CD34+ cells.We subsequently found that TOX2 was independent of ETS-1 but could directly upregulate the transcription of TBX21 (encoding T-BET). Overexpression of T-BET rescued the TOX2 knockdown phenotypes. Given the essential function of T-BET in NK cell differentiation, TOX2 therefore plays a crucial role in controlling normal NK cell development by acting upstream of TBX21 transcriptional regulation.
Persistent Identifierhttp://hdl.handle.net/10722/294500
ISSN
2020 Impact Factor: 22.113
2020 SCImago Journal Rankings: 5.515
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorVong, Queenie P.-
dc.contributor.authorLeung, Wai Hang-
dc.contributor.authorHouston, Jim-
dc.contributor.authorLi, Ying-
dc.contributor.authorRooney, Barbara-
dc.contributor.authorHolladay, Martha-
dc.contributor.authorOostendorp, Robert A.J.-
dc.contributor.authorLeung, Wing-
dc.date.accessioned2020-12-03T08:22:53Z-
dc.date.available2020-12-03T08:22:53Z-
dc.date.issued2014-
dc.identifier.citationBlood, 2014, v. 124, n. 26, p. 3905-3913-
dc.identifier.issn0006-4971-
dc.identifier.urihttp://hdl.handle.net/10722/294500-
dc.description.abstract© 2014 by The American Society of Hematology. Thymocyte selection-associated high mobility group box protein family member 2 (TOX2) is a transcription factor belonging to the TOX family that shares a highly conserved high mobility group DNA-binding domain with the other TOX members. Although TOX1 has been shown to be an essential regulator of T-cell and natural killer (NK) cell differentiation in mice, little is known about the roles of the other TOX family members in lymphocyte development, particularly in humans. In this study, we found that TOX2 was preferentially expressed in mature human NK cells (mNK) and was upregulated during invitro differentiation of NK cells from human umbilical cord blood (UCB)-derived CD34+ cells. Gene silencing of TOX2 intrinsically hindered the transition between early developmental stages of NK cells, whereas overexpression of TOX2 enhanced the development of mNK cells from UCB CD34+ cells.We subsequently found that TOX2 was independent of ETS-1 but could directly upregulate the transcription of TBX21 (encoding T-BET). Overexpression of T-BET rescued the TOX2 knockdown phenotypes. Given the essential function of T-BET in NK cell differentiation, TOX2 therefore plays a crucial role in controlling normal NK cell development by acting upstream of TBX21 transcriptional regulation.-
dc.languageeng-
dc.relation.ispartofBlood-
dc.titleTOX2 regulates human natural killer cell development by controlling T-BET expression-
dc.typeArticle-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1182/blood-2014-06-582965-
dc.identifier.pmid25352127-
dc.identifier.pmcidPMC4282154-
dc.identifier.scopuseid_2-s2.0-84919493623-
dc.identifier.volume124-
dc.identifier.issue26-
dc.identifier.spage3905-
dc.identifier.epage3913-
dc.identifier.eissn1528-0020-
dc.identifier.isiWOS:000347468200013-
dc.identifier.issnl0006-4971-

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