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Vitamin E Enhances Cancer Immunotherapy by Reinvigorating Dendritic Cells via Targeting Checkpoint SHP1.

Cancer discovery | 2022

Despite the popular use of dietary supplements during conventional cancer treatments, their impacts on the efficacies of prevalent immunotherapies, including immune-checkpoint therapy (ICT), are unknown. Surprisingly, our analyses of electronic health records revealed that ICT-treated patients with cancer who took vitamin E (VitE) had significantly improved survival. In mouse models, VitE increased ICT antitumor efficacy, which depended on dendritic cells (DC). VitE entered DCs via the SCARB1 receptor and restored tumor-associated DC functionality by directly binding to and inhibiting protein tyrosine phosphatase SHP1, a DC-intrinsic checkpoint. SHP1 inhibition, genetically or by VitE treatment, enhanced tumor antigen cross-presentation by DCs and DC-derived extracellular vesicles (DC-EV), triggering systemic antigen-specific T-cell antitumor immunity. Combining VitE with DC-recruiting cancer vaccines or immunogenic chemotherapies greatly boosted ICT efficacy in animals. Therefore, combining VitE supplement or SHP1-inhibited DCs/DC-EVs with DC-enrichment therapies could substantially augment T-cell antitumor immunity and enhance the efficacy of cancer immunotherapies.

Pubmed ID: 35420681 RIS Download

Research resources used in this publication

Additional research tools detected in this publication

None found

Associated grants

  • Agency: NCI NIH HHS, United States
    Id: P30 CA016672
  • Agency: NCI NIH HHS, United States
    Id: R01 CA184836
  • Agency: NCI NIH HHS, United States
    Id: R01 CA208213
  • Agency: NCI NIH HHS, United States
    Id: R01 CA231149
  • Agency: NCI NIH HHS, United States
    Id: P01 CA092584

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InVivoPlus mouse IgG2b isotype control (antibody)

RRID:AB_1107791

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RRID:AB_1107769

This isotype control targets Trinitrophenol

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InVivoPlus anti-mouse CTLA-4 (CD152) (antibody)

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RRID:IMSR_JAX:000651

Mus musculus with name BALB/cJ from IMSR.

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GraphPad Prism (software resource)

RRID:SCR_002798

Statistical analysis software that combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization. Designed for biological research applications in pharmacology, physiology, and other biological fields for data analysis, hypothesis testing, and modeling.

View all literature mentions

Fluidigm Helios Cell Mass Cytometer (instrument resource)

RRID:SCR_019917

Helios, a CyTOF system, comprises the most recent advances in mass cytometry and is designed to provide a new and improved tool for bioanalytical single-cell detection and analysis. This high-performance mass cytometer, from the CyTOF family of instruments, enables the analysis of more than 40 markers and ly allows their quantitative determination with negligible spectral overlap, a result of exquisite resolution between mass detection channels. Helios provides users with 135 detection channels that can simultaneously resolve multiple elemental probes at high acquisition rates, thereby maximizing the per-cell information obtained from a single sample. The expanded mass range of 75 209 amu and superior mass resolution provide researchers with the ability to differentiate adjacent peaks. The Helios system provides fast instrument startup, an easyto-use pneumatic sample loading system, an improved cell detection rate, and enhanced data storage capabilities. These attributes provide researchers with an unparalleled ability to generate high-resolution phenotypic and functional profiles of cells from normal and diseased states.

View all literature mentions

Bruker Clinscan 7T Magnetic Resonance Imager (instrument resource)

RRID:SCR_019759

ClinScan is Bruker BioSpin's solution for an emerging market of research MRI systems that allows a direct and fast transfer of preclinical studies on animal models to clinical studies on humans. 7 T Bruker USR magnet (Ultra Shielded Refrigerated, bore size 20 cm or 30 cm) n Bruker gradient and shim coil (gradient strength of 290 mT/m or 630 mT/m, slew rate of 1160 T/m/s or 6300 T/m/s) n Bruker RF array coil technology in combination with numerous animal handling accessories n Siemens MAGNETOM Avanto technology with up to 32 receive channels n Clinical routine user interface syngo MR to enable efficient workflow and highly automated state-of-the-art MRI and MRS applications on small animals

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Mus musculus with name C57BL/6-Tg(TcraTcrb)1100Mjb/J from IMSR.

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Mus musculus with name B6;129S-Scarb1tm1Kri/J from IMSR.

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RRID:IMSR_JAX:000664

Mus musculus with name C57BL/6J from IMSR.

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IBM SPSS Statistics (data analytics software)

RRID:SCR_016479

Software package for statistics. Used to analyze and visualize data. Extensions can be used, Python and R programming language code, to integrate with open source software. Available for Windows and Mac operating systems.Versions that were produced by SPSS Inc. before the IBM acquisition (Versions 18 and earlier) would be given origin or publisher of SPSS Inc. in Chicago. Versions that were released after the acquisition would be given origin or publisher of IBM Corp. in Armonk, NY.

View all literature mentions

4T1 (cell line)

RRID:CVCL_0125

Cell line 4T1 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

B16-F10 (cell line)

RRID:CVCL_0159

Cell line B16-F10 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

BALB/cJ (organism)

RRID:IMSR_JAX:000651

Mus musculus with name BALB/cJ from IMSR.

View all literature mentions

GraphPad Prism (software resource)

RRID:SCR_002798

Statistical analysis software that combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization. Designed for biological research applications in pharmacology, physiology, and other biological fields for data analysis, hypothesis testing, and modeling.

View all literature mentions

Fluidigm Helios Cell Mass Cytometer (instrument resource)

RRID:SCR_019917

Helios, a CyTOF system, comprises the most recent advances in mass cytometry and is designed to provide a new and improved tool for bioanalytical single-cell detection and analysis. This high-performance mass cytometer, from the CyTOF family of instruments, enables the analysis of more than 40 markers and ly allows their quantitative determination with negligible spectral overlap, a result of exquisite resolution between mass detection channels. Helios provides users with 135 detection channels that can simultaneously resolve multiple elemental probes at high acquisition rates, thereby maximizing the per-cell information obtained from a single sample. The expanded mass range of 75 209 amu and superior mass resolution provide researchers with the ability to differentiate adjacent peaks. The Helios system provides fast instrument startup, an easyto-use pneumatic sample loading system, an improved cell detection rate, and enhanced data storage capabilities. These attributes provide researchers with an unparalleled ability to generate high-resolution phenotypic and functional profiles of cells from normal and diseased states.

View all literature mentions

Bruker Clinscan 7T Magnetic Resonance Imager (instrument resource)

RRID:SCR_019759

ClinScan is Bruker BioSpin's solution for an emerging market of research MRI systems that allows a direct and fast transfer of preclinical studies on animal models to clinical studies on humans. 7 T Bruker USR magnet (Ultra Shielded Refrigerated, bore size 20 cm or 30 cm) n Bruker gradient and shim coil (gradient strength of 290 mT/m or 630 mT/m, slew rate of 1160 T/m/s or 6300 T/m/s) n Bruker RF array coil technology in combination with numerous animal handling accessories n Siemens MAGNETOM Avanto technology with up to 32 receive channels n Clinical routine user interface syngo MR to enable efficient workflow and highly automated state-of-the-art MRI and MRS applications on small animals

View all literature mentions

InVivoPlus mouse IgG2b isotype control (antibody)

RRID:AB_1107791

This isotype control targets Unknown Specificity

View all literature mentions

InVivoPlus rat IgG2a isotype control (antibody)

RRID:AB_1107769

This isotype control targets Trinitrophenol

View all literature mentions

InVivoPlus anti-mouse CTLA-4 (CD152) (antibody)

RRID:AB_10949609

This monoclonal targets CTLA-4 (CD152)

View all literature mentions

DC2.4 (cell line)

RRID:CVCL_J409

Cell line DC2.4 is a Transformed cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

B16-FLT3L (cell line)

RRID:CVCL_IJ12

Cell line B16-FLT3L is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

B16F10/mGM (cell line)

RRID:CVCL_L292

Cell line B16F10/mGM is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

EO771 (cell line)

RRID:CVCL_GR23

Cell line EO771 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

EMT6 (cell line)

RRID:CVCL_1923

Cell line EMT6 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

C57BL/6-Tg(TcraTcrb)1100Mjb/J (organism)

RRID:IMSR_JAX:003831

Mus musculus with name C57BL/6-Tg(TcraTcrb)1100Mjb/J from IMSR.

View all literature mentions

B6;129S-Scarb1tm1Kri/J (organism)

RRID:IMSR_JAX:003379

Mus musculus with name B6;129S-Scarb1tm1Kri/J from IMSR.

View all literature mentions

C57BL/6J (organism)

RRID:IMSR_JAX:000664

Mus musculus with name C57BL/6J from IMSR.

View all literature mentions

IBM SPSS Statistics (data analytics software)

RRID:SCR_016479

Software package for statistics. Used to analyze and visualize data. Extensions can be used, Python and R programming language code, to integrate with open source software. Available for Windows and Mac operating systems.Versions that were produced by SPSS Inc. before the IBM acquisition (Versions 18 and earlier) would be given origin or publisher of SPSS Inc. in Chicago. Versions that were released after the acquisition would be given origin or publisher of IBM Corp. in Armonk, NY.

View all literature mentions

4T1 (cell line)

RRID:CVCL_0125

Cell line 4T1 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

B16-F10 (cell line)

RRID:CVCL_0159

Cell line B16-F10 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

BALB/cJ (organism)

RRID:IMSR_JAX:000651

Mus musculus with name BALB/cJ from IMSR.

View all literature mentions

GraphPad Prism (software resource)

RRID:SCR_002798

Statistical analysis software that combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization. Designed for biological research applications in pharmacology, physiology, and other biological fields for data analysis, hypothesis testing, and modeling.

View all literature mentions

Fluidigm Helios Cell Mass Cytometer (instrument resource)

RRID:SCR_019917

Helios, a CyTOF system, comprises the most recent advances in mass cytometry and is designed to provide a new and improved tool for bioanalytical single-cell detection and analysis. This high-performance mass cytometer, from the CyTOF family of instruments, enables the analysis of more than 40 markers and ly allows their quantitative determination with negligible spectral overlap, a result of exquisite resolution between mass detection channels. Helios provides users with 135 detection channels that can simultaneously resolve multiple elemental probes at high acquisition rates, thereby maximizing the per-cell information obtained from a single sample. The expanded mass range of 75 209 amu and superior mass resolution provide researchers with the ability to differentiate adjacent peaks. The Helios system provides fast instrument startup, an easyto-use pneumatic sample loading system, an improved cell detection rate, and enhanced data storage capabilities. These attributes provide researchers with an unparalleled ability to generate high-resolution phenotypic and functional profiles of cells from normal and diseased states.

View all literature mentions

Bruker Clinscan 7T Magnetic Resonance Imager (instrument resource)

RRID:SCR_019759

ClinScan is Bruker BioSpin's solution for an emerging market of research MRI systems that allows a direct and fast transfer of preclinical studies on animal models to clinical studies on humans. 7 T Bruker USR magnet (Ultra Shielded Refrigerated, bore size 20 cm or 30 cm) n Bruker gradient and shim coil (gradient strength of 290 mT/m or 630 mT/m, slew rate of 1160 T/m/s or 6300 T/m/s) n Bruker RF array coil technology in combination with numerous animal handling accessories n Siemens MAGNETOM Avanto technology with up to 32 receive channels n Clinical routine user interface syngo MR to enable efficient workflow and highly automated state-of-the-art MRI and MRS applications on small animals

View all literature mentions

InVivoPlus mouse IgG2b isotype control (antibody)

RRID:AB_1107791

This isotype control targets Unknown Specificity

View all literature mentions

InVivoPlus rat IgG2a isotype control (antibody)

RRID:AB_1107769

This isotype control targets Trinitrophenol

View all literature mentions

InVivoPlus anti-mouse CTLA-4 (CD152) (antibody)

RRID:AB_10949609

This monoclonal targets CTLA-4 (CD152)

View all literature mentions

DC2.4 (cell line)

RRID:CVCL_J409

Cell line DC2.4 is a Transformed cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

B16-FLT3L (cell line)

RRID:CVCL_IJ12

Cell line B16-FLT3L is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

B16F10/mGM (cell line)

RRID:CVCL_L292

Cell line B16F10/mGM is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

EO771 (cell line)

RRID:CVCL_GR23

Cell line EO771 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

EMT6 (cell line)

RRID:CVCL_1923

Cell line EMT6 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

C57BL/6-Tg(TcraTcrb)1100Mjb/J (organism)

RRID:IMSR_JAX:003831

Mus musculus with name C57BL/6-Tg(TcraTcrb)1100Mjb/J from IMSR.

View all literature mentions

B6;129S-Scarb1tm1Kri/J (organism)

RRID:IMSR_JAX:003379

Mus musculus with name B6;129S-Scarb1tm1Kri/J from IMSR.

View all literature mentions

C57BL/6J (organism)

RRID:IMSR_JAX:000664

Mus musculus with name C57BL/6J from IMSR.

View all literature mentions

IBM SPSS Statistics (data analytics software)

RRID:SCR_016479

Software package for statistics. Used to analyze and visualize data. Extensions can be used, Python and R programming language code, to integrate with open source software. Available for Windows and Mac operating systems.Versions that were produced by SPSS Inc. before the IBM acquisition (Versions 18 and earlier) would be given origin or publisher of SPSS Inc. in Chicago. Versions that were released after the acquisition would be given origin or publisher of IBM Corp. in Armonk, NY.

View all literature mentions

EO771 (cell line)

RRID:CVCL_GR23

Cell line EO771 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

GraphPad Prism (software resource)

RRID:SCR_002798

Statistical analysis software that combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization. Designed for biological research applications in pharmacology, physiology, and other biological fields for data analysis, hypothesis testing, and modeling.

View all literature mentions

Fluidigm Helios Cell Mass Cytometer (instrument resource)

RRID:SCR_019917

Helios, a CyTOF system, comprises the most recent advances in mass cytometry and is designed to provide a new and improved tool for bioanalytical single-cell detection and analysis. This high-performance mass cytometer, from the CyTOF family of instruments, enables the analysis of more than 40 markers and ly allows their quantitative determination with negligible spectral overlap, a result of exquisite resolution between mass detection channels. Helios provides users with 135 detection channels that can simultaneously resolve multiple elemental probes at high acquisition rates, thereby maximizing the per-cell information obtained from a single sample. The expanded mass range of 75 209 amu and superior mass resolution provide researchers with the ability to differentiate adjacent peaks. The Helios system provides fast instrument startup, an easyto-use pneumatic sample loading system, an improved cell detection rate, and enhanced data storage capabilities. These attributes provide researchers with an unparalleled ability to generate high-resolution phenotypic and functional profiles of cells from normal and diseased states.

View all literature mentions

Bruker Clinscan 7T Magnetic Resonance Imager (instrument resource)

RRID:SCR_019759

ClinScan is Bruker BioSpin's solution for an emerging market of research MRI systems that allows a direct and fast transfer of preclinical studies on animal models to clinical studies on humans. 7 T Bruker USR magnet (Ultra Shielded Refrigerated, bore size 20 cm or 30 cm) n Bruker gradient and shim coil (gradient strength of 290 mT/m or 630 mT/m, slew rate of 1160 T/m/s or 6300 T/m/s) n Bruker RF array coil technology in combination with numerous animal handling accessories n Siemens MAGNETOM Avanto technology with up to 32 receive channels n Clinical routine user interface syngo MR to enable efficient workflow and highly automated state-of-the-art MRI and MRS applications on small animals

View all literature mentions

InVivoPlus mouse IgG2b isotype control (antibody)

RRID:AB_1107791

This isotype control targets Unknown Specificity

View all literature mentions

InVivoPlus rat IgG2a isotype control (antibody)

RRID:AB_1107769

This isotype control targets Trinitrophenol

View all literature mentions

InVivoPlus anti-mouse CTLA-4 (CD152) (antibody)

RRID:AB_10949609

This monoclonal targets CTLA-4 (CD152)

View all literature mentions

DC2.4 (cell line)

RRID:CVCL_J409

Cell line DC2.4 is a Transformed cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

B16F10/mGM (cell line)

RRID:CVCL_L292

Cell line B16F10/mGM is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

4T1 (cell line)

RRID:CVCL_0125

Cell line 4T1 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

EMT6 (cell line)

RRID:CVCL_1923

Cell line EMT6 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

IBM SPSS Statistics (data analytics software)

RRID:SCR_016479

Software package for statistics. Used to analyze and visualize data. Extensions can be used, Python and R programming language code, to integrate with open source software. Available for Windows and Mac operating systems.Versions that were produced by SPSS Inc. before the IBM acquisition (Versions 18 and earlier) would be given origin or publisher of SPSS Inc. in Chicago. Versions that were released after the acquisition would be given origin or publisher of IBM Corp. in Armonk, NY.

View all literature mentions

B16-F10 (cell line)

RRID:CVCL_0159

Cell line B16-F10 is a Cancer cell line with a species of origin Mus musculus (Mouse)

View all literature mentions

C57BL/6-Tg(TcraTcrb)1100Mjb/J (organism)

RRID:IMSR_JAX:003831

Mus musculus with name C57BL/6-Tg(TcraTcrb)1100Mjb/J from IMSR.

View all literature mentions

B6;129S-Scarb1tm1Kri/J (organism)

RRID:IMSR_JAX:003379

Mus musculus with name B6;129S-Scarb1tm1Kri/J from IMSR.

View all literature mentions

C57BL/6J (organism)

RRID:IMSR_JAX:000664

Mus musculus with name C57BL/6J from IMSR.

View all literature mentions