Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice

Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability...
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Autor*in:	Hamilton, Melisa J. [verfasserIn] Banáth, Judit P. Lam, Vivian LePard, Nancy E. Krystal, Gerald Bennewith, Kevin L.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2011

Schlagwörter:	Myeloid-derived suppressor cells (MDSCs) Immune suppression 4T1 tumor cells Serum Albumin

Anmerkung:	© Springer-Verlag 2011

Übergeordnetes Werk:	Enthalten in: Cancer immunology immunotherapy - Berlin : Springer, 1976, 61(2011), 5 vom: 22. Okt., Seite 643-654
Übergeordnetes Werk:	volume:61 ; year:2011 ; number:5 ; day:22 ; month:10 ; pages:643-654

Links:	Volltext

DOI / URN:	10.1007/s00262-011-1125-0

Katalog-ID:	SPR003231011

Internformat


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100	1		\|a Hamilton, Melisa J. \|e verfasserin \|4 aut
245	1	0	\|a Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice
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520			\|a Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability to suppress immune responses. Although different in vitro culture conditions have been used to study MDSCs, the effect of different culture conditions on MDSC immunosuppression is unknown. We therefore isolated MDSCs from the lungs and spleens of 4T1 murine mammary tumor-bearing mice and assayed MDSC-mediated suppression of T cell responses under different culture conditions. We found that 4T1-induced MDSCs effectively suppressed T cell proliferation under serum-free conditions, but not when fetal calf serum (FCS) was present. FCS neither altered the immunosuppressive activities of other myeloid cell types (i.e., peritoneal or tumor-associated macrophages) nor modified the susceptibility of T cells to myeloid cell-mediated suppression, but instead acted directly on 4T1-induced MDSCs to significantly reduce their immunosuppressive function. Importantly, we found that bovine serum albumin was a major contributor to the antagonistic effects of FCS on 4T1-induced MDSC immunosuppression by inhibiting reactive oxygen species production from MDSCs. This work reveals that in vitro culture conditions influence the immunosuppressive properties of MDSCs and highlights the importance of testing different culture conditions on MDSC phenotype to ensure that MDSC immunosuppression is not being masked. These data have important implications for the accurate detection and identification of MDSCs, as well as for determining the influence of MDSC-mediated immunosuppression on primary and metastatic tumor growth.
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700	1		\|a LePard, Nancy E. \|4 aut
700	1		\|a Krystal, Gerald \|4 aut
700	1		\|a Bennewith, Kevin L. \|4 aut
773	0	8	\|i Enthalten in \|t Cancer immunology immunotherapy \|d Berlin : Springer, 1976 \|g 61(2011), 5 vom: 22. Okt., Seite 643-654 \|w (DE-627)253390443 \|w (DE-600)1458489-X \|x 1432-0851 \|7 nnns
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912			\|a GBV_ILN_69
912			\|a GBV_ILN_70
912			\|a GBV_ILN_73
912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_101
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_120
912			\|a GBV_ILN_138
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
912			\|a GBV_ILN_152
912			\|a GBV_ILN_161
912			\|a GBV_ILN_165
912			\|a GBV_ILN_170
912			\|a GBV_ILN_171
912			\|a GBV_ILN_187
912			\|a GBV_ILN_206
912			\|a GBV_ILN_213
912			\|a GBV_ILN_224
912			\|a GBV_ILN_230
912			\|a GBV_ILN_250
912			\|a GBV_ILN_267
912			\|a GBV_ILN_281
912			\|a GBV_ILN_285
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912			\|a GBV_ILN_602
912			\|a GBV_ILN_636
912			\|a GBV_ILN_702
912			\|a GBV_ILN_711
912			\|a GBV_ILN_2001
912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2006
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912			\|a GBV_ILN_2039
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2057
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2070
912			\|a GBV_ILN_2086
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2093
912			\|a GBV_ILN_2106
912			\|a GBV_ILN_2107
912			\|a GBV_ILN_2108
912			\|a GBV_ILN_2110
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2116
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2119
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912			\|a GBV_ILN_2472
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_2522
912			\|a GBV_ILN_2548
912			\|a GBV_ILN_4012
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952			\|d 61 \|j 2011 \|e 5 \|b 22 \|c 10 \|h 643-654

Indexfelder

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publishDate	2011
allfields	10.1007/s00262-011-1125-0 doi (DE-627)SPR003231011 (SPR)s00262-011-1125-0-e DE-627 ger DE-627 rakwb eng Hamilton, Melisa J. verfasserin aut Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2011 Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability to suppress immune responses. Although different in vitro culture conditions have been used to study MDSCs, the effect of different culture conditions on MDSC immunosuppression is unknown. We therefore isolated MDSCs from the lungs and spleens of 4T1 murine mammary tumor-bearing mice and assayed MDSC-mediated suppression of T cell responses under different culture conditions. We found that 4T1-induced MDSCs effectively suppressed T cell proliferation under serum-free conditions, but not when fetal calf serum (FCS) was present. FCS neither altered the immunosuppressive activities of other myeloid cell types (i.e., peritoneal or tumor-associated macrophages) nor modified the susceptibility of T cells to myeloid cell-mediated suppression, but instead acted directly on 4T1-induced MDSCs to significantly reduce their immunosuppressive function. Importantly, we found that bovine serum albumin was a major contributor to the antagonistic effects of FCS on 4T1-induced MDSC immunosuppression by inhibiting reactive oxygen species production from MDSCs. This work reveals that in vitro culture conditions influence the immunosuppressive properties of MDSCs and highlights the importance of testing different culture conditions on MDSC phenotype to ensure that MDSC immunosuppression is not being masked. These data have important implications for the accurate detection and identification of MDSCs, as well as for determining the influence of MDSC-mediated immunosuppression on primary and metastatic tumor growth. Myeloid-derived suppressor cells (MDSCs) (dpeaa)DE-He213 Immune suppression (dpeaa)DE-He213 4T1 tumor cells (dpeaa)DE-He213 Serum (dpeaa)DE-He213 Albumin (dpeaa)DE-He213 Banáth, Judit P. aut Lam, Vivian aut LePard, Nancy E. aut Krystal, Gerald aut Bennewith, Kevin L. aut Enthalten in Cancer immunology immunotherapy Berlin : Springer, 1976 61(2011), 5 vom: 22. Okt., Seite 643-654 (DE-627)253390443 (DE-600)1458489-X 1432-0851 nnns volume:61 year:2011 number:5 day:22 month:10 pages:643-654 https://dx.doi.org/10.1007/s00262-011-1125-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 61 2011 5 22 10 643-654
spelling	10.1007/s00262-011-1125-0 doi (DE-627)SPR003231011 (SPR)s00262-011-1125-0-e DE-627 ger DE-627 rakwb eng Hamilton, Melisa J. verfasserin aut Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2011 Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability to suppress immune responses. Although different in vitro culture conditions have been used to study MDSCs, the effect of different culture conditions on MDSC immunosuppression is unknown. We therefore isolated MDSCs from the lungs and spleens of 4T1 murine mammary tumor-bearing mice and assayed MDSC-mediated suppression of T cell responses under different culture conditions. We found that 4T1-induced MDSCs effectively suppressed T cell proliferation under serum-free conditions, but not when fetal calf serum (FCS) was present. FCS neither altered the immunosuppressive activities of other myeloid cell types (i.e., peritoneal or tumor-associated macrophages) nor modified the susceptibility of T cells to myeloid cell-mediated suppression, but instead acted directly on 4T1-induced MDSCs to significantly reduce their immunosuppressive function. Importantly, we found that bovine serum albumin was a major contributor to the antagonistic effects of FCS on 4T1-induced MDSC immunosuppression by inhibiting reactive oxygen species production from MDSCs. This work reveals that in vitro culture conditions influence the immunosuppressive properties of MDSCs and highlights the importance of testing different culture conditions on MDSC phenotype to ensure that MDSC immunosuppression is not being masked. These data have important implications for the accurate detection and identification of MDSCs, as well as for determining the influence of MDSC-mediated immunosuppression on primary and metastatic tumor growth. Myeloid-derived suppressor cells (MDSCs) (dpeaa)DE-He213 Immune suppression (dpeaa)DE-He213 4T1 tumor cells (dpeaa)DE-He213 Serum (dpeaa)DE-He213 Albumin (dpeaa)DE-He213 Banáth, Judit P. aut Lam, Vivian aut LePard, Nancy E. aut Krystal, Gerald aut Bennewith, Kevin L. aut Enthalten in Cancer immunology immunotherapy Berlin : Springer, 1976 61(2011), 5 vom: 22. Okt., Seite 643-654 (DE-627)253390443 (DE-600)1458489-X 1432-0851 nnns volume:61 year:2011 number:5 day:22 month:10 pages:643-654 https://dx.doi.org/10.1007/s00262-011-1125-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 61 2011 5 22 10 643-654
allfields_unstemmed	10.1007/s00262-011-1125-0 doi (DE-627)SPR003231011 (SPR)s00262-011-1125-0-e DE-627 ger DE-627 rakwb eng Hamilton, Melisa J. verfasserin aut Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2011 Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability to suppress immune responses. Although different in vitro culture conditions have been used to study MDSCs, the effect of different culture conditions on MDSC immunosuppression is unknown. We therefore isolated MDSCs from the lungs and spleens of 4T1 murine mammary tumor-bearing mice and assayed MDSC-mediated suppression of T cell responses under different culture conditions. We found that 4T1-induced MDSCs effectively suppressed T cell proliferation under serum-free conditions, but not when fetal calf serum (FCS) was present. FCS neither altered the immunosuppressive activities of other myeloid cell types (i.e., peritoneal or tumor-associated macrophages) nor modified the susceptibility of T cells to myeloid cell-mediated suppression, but instead acted directly on 4T1-induced MDSCs to significantly reduce their immunosuppressive function. Importantly, we found that bovine serum albumin was a major contributor to the antagonistic effects of FCS on 4T1-induced MDSC immunosuppression by inhibiting reactive oxygen species production from MDSCs. This work reveals that in vitro culture conditions influence the immunosuppressive properties of MDSCs and highlights the importance of testing different culture conditions on MDSC phenotype to ensure that MDSC immunosuppression is not being masked. These data have important implications for the accurate detection and identification of MDSCs, as well as for determining the influence of MDSC-mediated immunosuppression on primary and metastatic tumor growth. Myeloid-derived suppressor cells (MDSCs) (dpeaa)DE-He213 Immune suppression (dpeaa)DE-He213 4T1 tumor cells (dpeaa)DE-He213 Serum (dpeaa)DE-He213 Albumin (dpeaa)DE-He213 Banáth, Judit P. aut Lam, Vivian aut LePard, Nancy E. aut Krystal, Gerald aut Bennewith, Kevin L. aut Enthalten in Cancer immunology immunotherapy Berlin : Springer, 1976 61(2011), 5 vom: 22. Okt., Seite 643-654 (DE-627)253390443 (DE-600)1458489-X 1432-0851 nnns volume:61 year:2011 number:5 day:22 month:10 pages:643-654 https://dx.doi.org/10.1007/s00262-011-1125-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 61 2011 5 22 10 643-654
allfieldsGer	10.1007/s00262-011-1125-0 doi (DE-627)SPR003231011 (SPR)s00262-011-1125-0-e DE-627 ger DE-627 rakwb eng Hamilton, Melisa J. verfasserin aut Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2011 Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability to suppress immune responses. Although different in vitro culture conditions have been used to study MDSCs, the effect of different culture conditions on MDSC immunosuppression is unknown. We therefore isolated MDSCs from the lungs and spleens of 4T1 murine mammary tumor-bearing mice and assayed MDSC-mediated suppression of T cell responses under different culture conditions. We found that 4T1-induced MDSCs effectively suppressed T cell proliferation under serum-free conditions, but not when fetal calf serum (FCS) was present. FCS neither altered the immunosuppressive activities of other myeloid cell types (i.e., peritoneal or tumor-associated macrophages) nor modified the susceptibility of T cells to myeloid cell-mediated suppression, but instead acted directly on 4T1-induced MDSCs to significantly reduce their immunosuppressive function. Importantly, we found that bovine serum albumin was a major contributor to the antagonistic effects of FCS on 4T1-induced MDSC immunosuppression by inhibiting reactive oxygen species production from MDSCs. This work reveals that in vitro culture conditions influence the immunosuppressive properties of MDSCs and highlights the importance of testing different culture conditions on MDSC phenotype to ensure that MDSC immunosuppression is not being masked. These data have important implications for the accurate detection and identification of MDSCs, as well as for determining the influence of MDSC-mediated immunosuppression on primary and metastatic tumor growth. Myeloid-derived suppressor cells (MDSCs) (dpeaa)DE-He213 Immune suppression (dpeaa)DE-He213 4T1 tumor cells (dpeaa)DE-He213 Serum (dpeaa)DE-He213 Albumin (dpeaa)DE-He213 Banáth, Judit P. aut Lam, Vivian aut LePard, Nancy E. aut Krystal, Gerald aut Bennewith, Kevin L. aut Enthalten in Cancer immunology immunotherapy Berlin : Springer, 1976 61(2011), 5 vom: 22. Okt., Seite 643-654 (DE-627)253390443 (DE-600)1458489-X 1432-0851 nnns volume:61 year:2011 number:5 day:22 month:10 pages:643-654 https://dx.doi.org/10.1007/s00262-011-1125-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 61 2011 5 22 10 643-654
allfieldsSound	10.1007/s00262-011-1125-0 doi (DE-627)SPR003231011 (SPR)s00262-011-1125-0-e DE-627 ger DE-627 rakwb eng Hamilton, Melisa J. verfasserin aut Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2011 Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability to suppress immune responses. Although different in vitro culture conditions have been used to study MDSCs, the effect of different culture conditions on MDSC immunosuppression is unknown. We therefore isolated MDSCs from the lungs and spleens of 4T1 murine mammary tumor-bearing mice and assayed MDSC-mediated suppression of T cell responses under different culture conditions. We found that 4T1-induced MDSCs effectively suppressed T cell proliferation under serum-free conditions, but not when fetal calf serum (FCS) was present. FCS neither altered the immunosuppressive activities of other myeloid cell types (i.e., peritoneal or tumor-associated macrophages) nor modified the susceptibility of T cells to myeloid cell-mediated suppression, but instead acted directly on 4T1-induced MDSCs to significantly reduce their immunosuppressive function. Importantly, we found that bovine serum albumin was a major contributor to the antagonistic effects of FCS on 4T1-induced MDSC immunosuppression by inhibiting reactive oxygen species production from MDSCs. This work reveals that in vitro culture conditions influence the immunosuppressive properties of MDSCs and highlights the importance of testing different culture conditions on MDSC phenotype to ensure that MDSC immunosuppression is not being masked. These data have important implications for the accurate detection and identification of MDSCs, as well as for determining the influence of MDSC-mediated immunosuppression on primary and metastatic tumor growth. Myeloid-derived suppressor cells (MDSCs) (dpeaa)DE-He213 Immune suppression (dpeaa)DE-He213 4T1 tumor cells (dpeaa)DE-He213 Serum (dpeaa)DE-He213 Albumin (dpeaa)DE-He213 Banáth, Judit P. aut Lam, Vivian aut LePard, Nancy E. aut Krystal, Gerald aut Bennewith, Kevin L. aut Enthalten in Cancer immunology immunotherapy Berlin : Springer, 1976 61(2011), 5 vom: 22. Okt., Seite 643-654 (DE-627)253390443 (DE-600)1458489-X 1432-0851 nnns volume:61 year:2011 number:5 day:22 month:10 pages:643-654 https://dx.doi.org/10.1007/s00262-011-1125-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 61 2011 5 22 10 643-654
language	English
source	Enthalten in Cancer immunology immunotherapy 61(2011), 5 vom: 22. Okt., Seite 643-654 volume:61 year:2011 number:5 day:22 month:10 pages:643-654
sourceStr	Enthalten in Cancer immunology immunotherapy 61(2011), 5 vom: 22. Okt., Seite 643-654 volume:61 year:2011 number:5 day:22 month:10 pages:643-654
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Myeloid-derived suppressor cells (MDSCs) Immune suppression 4T1 tumor cells Serum Albumin
isfreeaccess_bool	false
container_title	Cancer immunology immunotherapy
authorswithroles_txt_mv	Hamilton, Melisa J. @@aut@@ Banáth, Judit P. @@aut@@ Lam, Vivian @@aut@@ LePard, Nancy E. @@aut@@ Krystal, Gerald @@aut@@ Bennewith, Kevin L. @@aut@@
publishDateDaySort_date	2011-10-22T00:00:00Z
hierarchy_top_id	253390443
id	SPR003231011
language_de	englisch
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author	Hamilton, Melisa J.
spellingShingle	Hamilton, Melisa J. misc Myeloid-derived suppressor cells (MDSCs) misc Immune suppression misc 4T1 tumor cells misc Serum misc Albumin Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice
authorStr	Hamilton, Melisa J.
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topic_title	Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice Myeloid-derived suppressor cells (MDSCs) (dpeaa)DE-He213 Immune suppression (dpeaa)DE-He213 4T1 tumor cells (dpeaa)DE-He213 Serum (dpeaa)DE-He213 Albumin (dpeaa)DE-He213
topic	misc Myeloid-derived suppressor cells (MDSCs) misc Immune suppression misc 4T1 tumor cells misc Serum misc Albumin
topic_unstemmed	misc Myeloid-derived suppressor cells (MDSCs) misc Immune suppression misc 4T1 tumor cells misc Serum misc Albumin
topic_browse	misc Myeloid-derived suppressor cells (MDSCs) misc Immune suppression misc 4T1 tumor cells misc Serum misc Albumin
format_facet	Elektronische Aufsätze Aufsätze Elektronische Ressource
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hierarchy_parent_title	Cancer immunology immunotherapy
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hierarchy_top_title	Cancer immunology immunotherapy
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title	Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice
ctrlnum	(DE-627)SPR003231011 (SPR)s00262-011-1125-0-e
title_full	Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice
author_sort	Hamilton, Melisa J.
journal	Cancer immunology immunotherapy
journalStr	Cancer immunology immunotherapy
lang_code	eng
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publishDateSort	2011
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container_start_page	643
author_browse	Hamilton, Melisa J. Banáth, Judit P. Lam, Vivian LePard, Nancy E. Krystal, Gerald Bennewith, Kevin L.
container_volume	61
format_se	Elektronische Aufsätze
author-letter	Hamilton, Melisa J.
doi_str_mv	10.1007/s00262-011-1125-0
title_sort	serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4t1 tumor-bearing mice
title_auth	Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice
abstract	Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability to suppress immune responses. Although different in vitro culture conditions have been used to study MDSCs, the effect of different culture conditions on MDSC immunosuppression is unknown. We therefore isolated MDSCs from the lungs and spleens of 4T1 murine mammary tumor-bearing mice and assayed MDSC-mediated suppression of T cell responses under different culture conditions. We found that 4T1-induced MDSCs effectively suppressed T cell proliferation under serum-free conditions, but not when fetal calf serum (FCS) was present. FCS neither altered the immunosuppressive activities of other myeloid cell types (i.e., peritoneal or tumor-associated macrophages) nor modified the susceptibility of T cells to myeloid cell-mediated suppression, but instead acted directly on 4T1-induced MDSCs to significantly reduce their immunosuppressive function. Importantly, we found that bovine serum albumin was a major contributor to the antagonistic effects of FCS on 4T1-induced MDSC immunosuppression by inhibiting reactive oxygen species production from MDSCs. This work reveals that in vitro culture conditions influence the immunosuppressive properties of MDSCs and highlights the importance of testing different culture conditions on MDSC phenotype to ensure that MDSC immunosuppression is not being masked. These data have important implications for the accurate detection and identification of MDSCs, as well as for determining the influence of MDSC-mediated immunosuppression on primary and metastatic tumor growth. © Springer-Verlag 2011
abstractGer	Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability to suppress immune responses. Although different in vitro culture conditions have been used to study MDSCs, the effect of different culture conditions on MDSC immunosuppression is unknown. We therefore isolated MDSCs from the lungs and spleens of 4T1 murine mammary tumor-bearing mice and assayed MDSC-mediated suppression of T cell responses under different culture conditions. We found that 4T1-induced MDSCs effectively suppressed T cell proliferation under serum-free conditions, but not when fetal calf serum (FCS) was present. FCS neither altered the immunosuppressive activities of other myeloid cell types (i.e., peritoneal or tumor-associated macrophages) nor modified the susceptibility of T cells to myeloid cell-mediated suppression, but instead acted directly on 4T1-induced MDSCs to significantly reduce their immunosuppressive function. Importantly, we found that bovine serum albumin was a major contributor to the antagonistic effects of FCS on 4T1-induced MDSC immunosuppression by inhibiting reactive oxygen species production from MDSCs. This work reveals that in vitro culture conditions influence the immunosuppressive properties of MDSCs and highlights the importance of testing different culture conditions on MDSC phenotype to ensure that MDSC immunosuppression is not being masked. These data have important implications for the accurate detection and identification of MDSCs, as well as for determining the influence of MDSC-mediated immunosuppression on primary and metastatic tumor growth. © Springer-Verlag 2011
abstract_unstemmed	Abstract As more groups investigate the role of myeloid-derived suppressor cells (MDSCs) in promoting the growth of primary tumors and distant tumor metastases, it is imperative to ensure the accurate detection and quantification of MDSC immunosuppression ex vivo. MDSCs are defined by their ability to suppress immune responses. Although different in vitro culture conditions have been used to study MDSCs, the effect of different culture conditions on MDSC immunosuppression is unknown. We therefore isolated MDSCs from the lungs and spleens of 4T1 murine mammary tumor-bearing mice and assayed MDSC-mediated suppression of T cell responses under different culture conditions. We found that 4T1-induced MDSCs effectively suppressed T cell proliferation under serum-free conditions, but not when fetal calf serum (FCS) was present. FCS neither altered the immunosuppressive activities of other myeloid cell types (i.e., peritoneal or tumor-associated macrophages) nor modified the susceptibility of T cells to myeloid cell-mediated suppression, but instead acted directly on 4T1-induced MDSCs to significantly reduce their immunosuppressive function. Importantly, we found that bovine serum albumin was a major contributor to the antagonistic effects of FCS on 4T1-induced MDSC immunosuppression by inhibiting reactive oxygen species production from MDSCs. This work reveals that in vitro culture conditions influence the immunosuppressive properties of MDSCs and highlights the importance of testing different culture conditions on MDSC phenotype to ensure that MDSC immunosuppression is not being masked. These data have important implications for the accurate detection and identification of MDSCs, as well as for determining the influence of MDSC-mediated immunosuppression on primary and metastatic tumor growth. © Springer-Verlag 2011
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container_issue	5
title_short	Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice
url	https://dx.doi.org/10.1007/s00262-011-1125-0
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author2	Banáth, Judit P. Lam, Vivian LePard, Nancy E. Krystal, Gerald Bennewith, Kevin L.
author2Str	Banáth, Judit P. Lam, Vivian LePard, Nancy E. Krystal, Gerald Bennewith, Kevin L.
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doi_str	10.1007/s00262-011-1125-0
up_date	2024-07-03T18:10:00.001Z
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Serum inhibits the immunosuppressive function of myeloid-derived suppressor cells isolated from 4T1 tumor-bearing mice

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