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A three-dimensional cell culture system as an in vitro canine mammary carcinoma model for the expression of connective tissue modulators

机译:一种三维细胞培养系统作为一种用于结缔组织调节剂表达的体外犬乳腺癌模型

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摘要

In this study, derived complex carcinoma (CC) and simple carcinoma (SC) cell lines were established and cultured under two-dimensional (2D) and three-dimensional (3D) conditions. The 3D was performed in six-well AlgiMatrix (LifeTechnologies (R), Carlsbad, CA, USA) scaffolds, resulting in spheroids sized 50-125 mu m for CC and 175-200 mu m for SC. Cell viability was demonstrated up to 14 days for both models. Epidermal growth factor receptor (EGFR) was expressed in CC and SC in both systems. However, higher mRNA and protein levels were observed in SC 2D and 3D systems when compared with CC (P 0.005). The connective tissue modulators, metalloproteinases-1, -2, -9 and -13 (MMPs), relaxin receptors 1 and 2 (RXR1 and RXR2) and E-cadherin (CDH1) were quantitated. All were upregulated similarly when canine mammary tumour (CMT)-derived cell lines were cultured under 3D AlgiMatrix, except CDH1 that was downregulated (P 0.005). These results are promising towards the used of 3D system to increase a high throughput in vitro canine tumour model.
机译:在该研究中,在二维(2D)和三维(3D)条件下建立并培养衍生复杂的癌(CC)和简单的癌细胞系。该3D在六孔Algimatrix(寿命(R),Carlsbad,CA,USA)支架中进行,导致Scc尺寸为50-125μm的Sc和175-200 mu m。两种型号的细胞活力显示最多14天。表皮生长因子受体(EGFR)在两种系统中的CC和SC中表达。然而,与Cc(P <0.005)相比,在SC 2D和3D系统中观察到较高的mRNA和蛋白质水平。定量结缔组织调节剂,金属蛋白-1,-2,-9和-13(MMPS),松弛素受体1和2(RXR1和RXR2)和E-CDADHERIN(CDH1)。同样地上调,当在3D allimatrix下培养甘氨酸乳腺肿瘤(CMT)的细胞系,除了下调的CDH1(P <0.005)。这些结果对3D系统的使用是有前途的,以增加高通量的体外犬肿瘤模型。

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