A PSAT1 buff of YBX1 transcriptionally sustains HLA-E-mediated evasion of NK immunity.
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| Title: | A PSAT1 buff of YBX1 transcriptionally sustains HLA-E-mediated evasion of NK immunity. |
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| Authors: | Zhang, Yangyi1,2,3, Ren, He1,2, Ma, Chaobing1, Shi, Changhong4, Yang, Ruigang2, Wang, Chenxi2, Feng, Pengfei2, Zhang, Bo1,2, Liu, Chenyu1, Niu, Zubiao2, Yang, Yalan1, Zheng, You2, Sun, Zhuoran2, Zhang, Ying1, Zhang, Shinan1, Melino, Gerry5, Huang, Hongyan1,3 hhongy1999@126.com, Sun, Qiang2 sunq@bmi.ac.cn |
| Source: | Proceedings of the National Academy of Sciences of the United States of America. 2025, Vol. 122 Issue 52, p1-11. 11p. |
| Subjects: | Killer cells, Immunotherapy, Tumor microenvironment, Prostate cancer, Histocompatibility class I antigens, Genes |
| Abstract: | Despite great success in certain cancers, immunotherapy made little progress in treating immune cold tumors, largely attributed to an immune-suppressive tumor microenvironment with elusive mechanisms. Here, we report in prostate cancer cells a positive feedback loop driven by phosphoserine aminotransferase 1 (PSAT1) that could be targeted to render effective cytotherapy by natural killer (NK) cells. In the loop, PSAT1 increases Y-box binding protein 1 (YBX1) phosphorylation by microtubule affinity-regulating kinase 2, promoting its nuclear translocation to upregulate PSAT1 transcription. Meanwhile, YBX1 also promotes human leukocyte antigens E (HLA-E) transcription to inactivate NK cells. Consequently, the PSAT1 loop serves as a buff sustaining YBX1/HLA-E expression, suppressing NK killing of prostate cancer cells. Targeting loop molecules, such as PAST1, effectively potentiates tumor suppression by NK cells both in-vitro and in-vivo. Thus, our study uncovered a heretofore unrecognized nonautonomous mechanism for PSAT1, as well as a molecular buff for YBX1, to drive tumor growth by evading NK immunity, providing a promising target for NK cytotherapy of immune cold tumors. [ABSTRACT FROM AUTHOR] |
| Copyright of Proceedings of the National Academy of Sciences of the United States of America is the property of National Academy of Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 190780347 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: A PSAT1 buff of YBX1 transcriptionally sustains HLA-E-mediated evasion of NK immunity. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Yangyi%22">Zhang, Yangyi</searchLink><relatesTo>1,2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Ren%2C+He%22">Ren, He</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Ma%2C+Chaobing%22">Ma, Chaobing</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Shi%2C+Changhong%22">Shi, Changhong</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Yang%2C+Ruigang%22">Yang, Ruigang</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Wang%2C+Chenxi%22">Wang, Chenxi</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Feng%2C+Pengfei%22">Feng, Pengfei</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Bo%22">Zhang, Bo</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Liu%2C+Chenyu%22">Liu, Chenyu</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Niu%2C+Zubiao%22">Niu, Zubiao</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Yang%2C+Yalan%22">Yang, Yalan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zheng%2C+You%22">Zheng, You</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Sun%2C+Zhuoran%22">Sun, Zhuoran</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Ying%22">Zhang, Ying</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Shinan%22">Zhang, Shinan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Melino%2C+Gerry%22">Melino, Gerry</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Huang%2C+Hongyan%22">Huang, Hongyan</searchLink><relatesTo>1,3</relatesTo><i> hhongy1999@126.com</i><br /><searchLink fieldCode="AR" term="%22Sun%2C+Qiang%22">Sun, Qiang</searchLink><relatesTo>2</relatesTo><i> sunq@bmi.ac.cn</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Proceedings+of+the+National+Academy+of+Sciences+of+the+United+States+of+America%22">Proceedings of the National Academy of Sciences of the United States of America</searchLink>. 2025, Vol. 122 Issue 52, p1-11. 11p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Killer+cells%22">Killer cells</searchLink><br /><searchLink fieldCode="DE" term="%22Immunotherapy%22">Immunotherapy</searchLink><br /><searchLink fieldCode="DE" term="%22Tumor+microenvironment%22">Tumor microenvironment</searchLink><br /><searchLink fieldCode="DE" term="%22Prostate+cancer%22">Prostate cancer</searchLink><br /><searchLink fieldCode="DE" term="%22Histocompatibility+class+I+antigens%22">Histocompatibility class I antigens</searchLink><br /><searchLink fieldCode="DE" term="%22Genes%22">Genes</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Despite great success in certain cancers, immunotherapy made little progress in treating immune cold tumors, largely attributed to an immune-suppressive tumor microenvironment with elusive mechanisms. Here, we report in prostate cancer cells a positive feedback loop driven by phosphoserine aminotransferase 1 (PSAT1) that could be targeted to render effective cytotherapy by natural killer (NK) cells. In the loop, PSAT1 increases Y-box binding protein 1 (YBX1) phosphorylation by microtubule affinity-regulating kinase 2, promoting its nuclear translocation to upregulate PSAT1 transcription. Meanwhile, YBX1 also promotes human leukocyte antigens E (HLA-E) transcription to inactivate NK cells. Consequently, the PSAT1 loop serves as a buff sustaining YBX1/HLA-E expression, suppressing NK killing of prostate cancer cells. Targeting loop molecules, such as PAST1, effectively potentiates tumor suppression by NK cells both in-vitro and in-vivo. Thus, our study uncovered a heretofore unrecognized nonautonomous mechanism for PSAT1, as well as a molecular buff for YBX1, to drive tumor growth by evading NK immunity, providing a promising target for NK cytotherapy of immune cold tumors. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Proceedings of the National Academy of Sciences of the United States of America is the property of National Academy of Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1073/pnas.2505658122 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 11 StartPage: 1 Subjects: – SubjectFull: Killer cells Type: general – SubjectFull: Immunotherapy Type: general – SubjectFull: Tumor microenvironment Type: general – SubjectFull: Prostate cancer Type: general – SubjectFull: Histocompatibility class I antigens Type: general – SubjectFull: Genes Type: general Titles: – TitleFull: A PSAT1 buff of YBX1 transcriptionally sustains HLA-E-mediated evasion of NK immunity. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Zhang, Yangyi – PersonEntity: Name: NameFull: Ren, He – PersonEntity: Name: NameFull: Ma, Chaobing – PersonEntity: Name: NameFull: Shi, Changhong – PersonEntity: Name: NameFull: Yang, Ruigang – PersonEntity: Name: NameFull: Wang, Chenxi – PersonEntity: Name: NameFull: Feng, Pengfei – PersonEntity: Name: NameFull: Zhang, Bo – PersonEntity: Name: NameFull: Liu, Chenyu – PersonEntity: Name: NameFull: Niu, Zubiao – PersonEntity: Name: NameFull: Yang, Yalan – PersonEntity: Name: NameFull: Zheng, You – PersonEntity: Name: NameFull: Sun, Zhuoran – PersonEntity: Name: NameFull: Zhang, Ying – PersonEntity: Name: NameFull: Zhang, Shinan – PersonEntity: Name: NameFull: Melino, Gerry – PersonEntity: Name: NameFull: Huang, Hongyan – PersonEntity: Name: NameFull: Sun, Qiang IsPartOfRelationships: – BibEntity: Dates: – D: 30 M: 12 Text: 2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 00278424 Numbering: – Type: volume Value: 122 – Type: issue Value: 52 Titles: – TitleFull: Proceedings of the National Academy of Sciences of the United States of America Type: main |
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