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A high tumor-associated macrophage content predicts favorable outcome in follicular lymphoma patients treated with rituximab and cyclophosphamide-doxorubicin-vincristine-prednisone.

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TLDR
The data suggest that high TAM score is associated with a favorable prognosis in FL patients treated with immunochemotherapy, and high TAM content remained an independent prognostic factor for OS and PFS.
Abstract
Purpose: Tumor-associated macrophage (TAM) content predicts survival in follicular lymphoma (FL) patients treated with chemotherapy The aim of this study was to determine how combination of rituximab with chemotherapy influences TAM-associated clinical outcome Experimental Design: Expression of a macrophage marker, CD68, was determined immunohistochemically from FL samples of 96 patients treated with rituximab and cyclophosphamide-Adriamycin-vincristine-prednisone regimen Of them, 71 received therapy at diagnosis and 25 at relapse Neutrophil and CD3+ lymphocyte counts were also measured The median follow-up time for the cohort was 54 months Fourty-five patients previously treated with chemotherapy served as a control group Results: Consistent with previous studies, high TAM amount was associated with adverse outcome in chemotherapy-treated patients ( P = 0026) In contrast, after rituximab and cyclophosphamide-doxorubicin-vincristine-prednisone regimen, high TAM content correlated with longer survival rates According to Kaplan Meier estimates, the median progression free survival (PFS) was not reached for patients with high TAM content compared with 45 months for patients with low TAM scores ( P = 0006) A trend toward a better overall survival (OS) at 5 years was also observed for patients with high TAM content (OS, 97% versus 90%, P = 0116) The positive prognostic value of TAMs was seen both for the patients treated at diagnosis and at relapse In multivariate analyses, TAM content remained an independent prognostic factor for OS and PFS Neutrophil and CD3+ lymphocyte counts did not correlate with outcome Conclusions: The data suggest that high TAM score is associated with a favorable prognosis in FL patients treated with immunochemotherapy

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Journal ArticleDOI

Cancer-related inflammation, the seventh hallmark of cancer: links to genetic instability.

TL;DR: This work surmises that CRI represents the seventh hallmark of cancer, and suggests that an additional mechanism involved in cancer-related inflammation (CRI) is induction of genetic instability by inflammatory mediators, leading to accumulation of random genetic alterations in cancer cells.
Journal ArticleDOI

Tumour-associated macrophages as treatment targets in oncology

TL;DR: It is surmised that TAMs can provide tools to tailor the use of cytoreductive therapies and immunotherapy in a personalized medicine approach, and that TAM-focused therapeutic strategies have the potential to complement and synergize with both chemotherapy and immunotherapies.
Journal ArticleDOI

Macrophage Regulation of Tumor Responses to Anticancer Therapies

TL;DR: The biological significance and clinical implications of these findings are discussed, with an emphasis on novel approaches that effectively target TAMs to increase the efficacy of such therapies.
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The anticancer immune response: indispensable for therapeutic success?

TL;DR: This Review addresses the question, How may it be possible to ameliorate conventional therapies by stimulating the anticancer immune response and discusses the rationale of clinical trials to evaluate and eventually increase the contribution of antitumor immune responses to the therapeutic management of neoplasia.
Journal ArticleDOI

The Yin-Yang of tumor-associated macrophages in neoplastic progression and immune surveillance.

TL;DR: The ‘macrophage balance’ is discussed in the context of the apparent paradox of tumor promotion by innate immunity‐driven inflammation and the seemingly opposed tumor surveillance by adaptive immune responses.
References
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Journal ArticleDOI

Inhibitory Fc receptors modulate in vivo cytotoxicity against tumor targets.

TL;DR: It is demonstrated that Fc-receptor-dependent mechanisms contribute substantially to the action of cytotoxic antibodies against tumors and indicate that an optimal antibody against tumors would bind preferentially to activation Fc receptors and minimally to the inhibitory partner FcγRIIB.
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