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10.1158/0008-5472.CAN-13-3596 http://scihub22266oqcxt.onion/10.1158/0008-5472.CAN-13-3596 C4079842!4079842!24780756     free     free     free Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Cancer+Res 2014 ; 74 (13): 3441-53 Nephropedia Template TP {{tp|p=24780756|t=2014. Immunosuppressive myeloid cells induced by chemotherapy attenuate antitumor CD4+ T cell responses through the PD-1/PD-L1 axis |pdf=|usr=}}{{24780756}} gab.com Text Immunosuppressive myeloid cells induced by chemotherapy attenuate antitumor CD4+ T cell responses through the PD-1/PD-L1 axis JO: Cancer Res http://www.kidney.de/pget.php?&tw=1&pmid=24780756 #FOAvip In recent years, immune-based therapies have become an increasingly attractive treatment option for patients with cancer. Cancer immunotherapy is often used in combination with conventional chemotherapy for synergistic effects. The alkylating agent cyclophosphamide (CTX) has been included in various chemoimmunotherapy regimens due to its well-known immunostimulatory effects. Paradoxically, CTX can also induce suppressor cells that inhibit immune responses. However, the identity and biological relevance of these suppressor cells are poorly defined. Here we report that CTX treatment drives the expansion of inflammatory monocytic myeloid cells (CD11b+Ly6ChiCCR2hi) that possess immunosuppressive activities. In mice with advanced lymphoma, adoptive transfer (AT) of tumor-specific CD4+ T cells following CTX treatment (CTX+CD4 AT) provoked a robust initial antitumor immune response, but also resulted in enhanced expansion of monocytic myeloid cells. These therapy-induced monocytes inhibited long-term tumor control and allowed subsequent relapse by mediating functional tolerization of antitumor CD4+ effector cells through the PD-1/PD-L1 axis. PD-1/PD-L1 blockade after CTX+CD4 AT therapy led to persistence of CD4+ effector cells and durable antitumor effects. Depleting proliferative monocytes by administering low dose gemcitabine effectively prevented tumor recurrence after CTX+CD4 AT therapy. Likewise, targeting inflammatory monocytes by disrupting the CCR2 signaling pathway markedly potentiated the efficacy of CTX-based therapy. Besides CTX, we found that melphalan and doxorubicin can also induce monocytic myeloid suppressor cells. These findings reveal a counter-regulation mechanism elicited by certain chemotherapeutic agents, and highlight the importance of overcoming this barrier to prevent late tumor relapse after chemoimmunotherapy. Twit Text FOAVip Immunosuppressive myeloid cells induced by chemotherapy attenuate antitumor CD4+ T cell responses through the PD-1/PD-L1 axis ????Cancer Res http://www.kidney.de/pget.php?&tw=1&pmid=24780756 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=24780756 #FOAvip English Wikipedia <ref>{{Cite pmid|24780756}}</ref> Immunosuppressive myeloid cells induced by chemotherapy attenuate antitumor CD4+ T cell responses through the PD-1/PD-L1 axis #MMPMID24780756 Ding ZC; Lu X; Yu M; Lemos H; Huang L; Chandler P; Liu K; Walters M; Krasinski A; Mack M; Blazar BR; Mellor AL; Munn DH; Zhou G Cancer Res 2014[Jul]; 74 (13): 3441-53 PMID24780756show ga In recent years, immune-based therapies have become an increasingly attractive treatment option for patients with cancer. Cancer immunotherapy is often used in combination with conventional chemotherapy for synergistic effects. The alkylating agent cyclophosphamide (CTX) has been included in various chemoimmunotherapy regimens due to its well-known immunostimulatory effects. Paradoxically, CTX can also induce suppressor cells that inhibit immune responses. However, the identity and biological relevance of these suppressor cells are poorly defined. Here we report that CTX treatment drives the expansion of inflammatory monocytic myeloid cells (CD11b+Ly6ChiCCR2hi) that possess immunosuppressive activities. In mice with advanced lymphoma, adoptive transfer (AT) of tumor-specific CD4+ T cells following CTX treatment (CTX+CD4 AT) provoked a robust initial antitumor immune response, but also resulted in enhanced expansion of monocytic myeloid cells. These therapy-induced monocytes inhibited long-term tumor control and allowed subsequent relapse by mediating functional tolerization of antitumor CD4+ effector cells through the PD-1/PD-L1 axis. PD-1/PD-L1 blockade after CTX+CD4 AT therapy led to persistence of CD4+ effector cells and durable antitumor effects. Depleting proliferative monocytes by administering low dose gemcitabine effectively prevented tumor recurrence after CTX+CD4 AT therapy. Likewise, targeting inflammatory monocytes by disrupting the CCR2 signaling pathway markedly potentiated the efficacy of CTX-based therapy. Besides CTX, we found that melphalan and doxorubicin can also induce monocytic myeloid suppressor cells. These findings reveal a counter-regulation mechanism elicited by certain chemotherapeutic agents, and highlight the importance of overcoming this barrier to prevent late tumor relapse after chemoimmunotherapy. äImmunosuppressive myeloid cells induced by chemotherapy attenuate anti(epmc).pdf DeepDyve Pubget Overpricing