首页> 外文期刊>Cellular immunology >Expression of chemokine-like receptor 1 (CMKLR1) on J744A.1 macrophages co-cultured with fibroblast and/or tumor cells: modeling the influence of microenvironment.
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Expression of chemokine-like receptor 1 (CMKLR1) on J744A.1 macrophages co-cultured with fibroblast and/or tumor cells: modeling the influence of microenvironment.

机译:趋化因子样受体1(CMKLR1)在与成纤维细胞和/或肿瘤细胞共培养的J744A.1巨噬细胞上的表达:模拟微环境的影响。

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Maturation of macrophages is influenced by the composition of surrounding microenvironment. Expression of CMKLR1, the receptor for chemerin, is potentially associated with the differentiation status of macrophages. In this study, CMKLR1 was determined on peritoneal and tumor-infiltrating macrophages. CMKLR1 expression was found to be associated with the fibroblast-assisted maturation of J744A.1 monocyte/macrophage cells in the co-cultures established to model tumor microenvironment, whereas the presence of tumor cells was able to upregulate CMKLR1 expression independent of macrophage maturation. In addition, macrophages cultured with tumor cells or in tumor cell-conditioned media responded to recombinant chemerin(17-156) peptide and increased the expression of proinflammatory IL-1beta, TNF-alpha and IL-12 p40 cytokines. The native form of chemerin (prochemerin) supplied by fibroblasts did not induce a functional response. These observations may indicate a potential role for chemerin and CMKLR1 in the regulation of inflammatory responses in the tumor microenvironment.
机译:巨噬细胞的成熟受到周围微环境组成的影响。凯莫瑞受体CMKLR1的表达可能与巨噬细胞的分化状态有关。在这项研究中,在腹膜和肿瘤浸润性巨噬细胞上测定了CMKLR1。在建立用于模拟肿瘤微环境的共培养物中,发现CMKLR1表达与成纤维细胞辅助的J744A.1单核细胞/巨噬细胞成熟有关,而肿瘤细胞的存在能够独立于巨噬细胞成熟而上调CMKLR1表达。此外,与肿瘤细胞或肿瘤细胞条件培养基中培养的巨噬细胞对重组chemerin(17-156)肽有反应,并增加了促炎性IL-1beta,TNF-α和IL-12 p40细胞因子的表达。成纤维细胞提供的天然形式的凯莫瑞(prochemerin)不会诱导功能性反应。这些观察结果可能表明凯莫瑞和CMKLR1在调节肿瘤微环境中的炎症反应中具有潜在作用。

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