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CFDA-SE
本产品不向个人销售,仅用作科学研究,不用于任何人体实验及非科研性质的动物实验。
CFDA-SE图片
包装与价格:
包装价格(元)
10mg电议
25mg电议
50mg电议
100mg电议

产品介绍
CFDA-SE (5(6)-Carboxyfluorescein diacetate succinimidyl ester) 是一种细胞内荧光染料,可追踪增殖细胞。

Cell lines

Human erythroleukaemic cell line K562, mouse lymphoma cell line YAC-1, human mammary cancer cell line MCF-7 and human melanoma cell line A375

Preparation Method

The 5 mM CFDA-SE stock in DMSO was diluted to different concentrations (2 μM, 3 μM, 4 μM, 5 μM, 10 μM and 20 μM) in PBS with a total volume of 1 ml. Cells were added to equal volume of CFDA-SE with different concentrations and incubated at 37 C for 5, 6, 7, 8, 10 and 15 min with agitation.

Reaction Conditions

1, 1.5, 2, 2.5, 5 and 10 μM CFDA-SE

Applications

CFDA-SE at 2.5 μM stained more than 95% of the cells on all cell lines tested, and dose-dependently increased fluorescence intensity of stained cells. The optimal concentration for K562 and YAC-1 was found to be 2.5 μM, while the optimal concentrations for A375 and MCF-7 were found to be 5 μM and 10 μM, respectively. Within the 6 h experiment period, no cytotoxicity related to CFDA-SE was observed.

Animal models

C57BL/6 mice, aged 5 ~ 8 weeks

Preparation Method

Injected CFDA-SE into thymic lobe

Dosage form

The concentration of CFDA-SE is 10 μM

Applications

CFDA-SE, at 80 times the concentration used for in vitro labeling, was nontoxic and labeled randomly approximately 15% of thymocytes 24 h after injection. The turnover rate of labeled thymic emigrants in the lymph nodes was in the order of 21 days. Thus, CFDA-SE may serve as a powerful tool in relatively long-term migration studies.

文献引用
产品描述

CFDA-SE, full name carboxycein diacetate, Succinimidyl Ester, with cell membrane permeability, is a fluorescent dye CFDA-SE widely used for viable cell tracing or cell proliferation detection[1].

The fluorescence of CFDA-SE -labeled cells was very uniform and stable, and the fluorescence could be evenly distributed to the two progeny cells[4]. CFDA-SE can deliver strong green fluorescence,Ex=494 nm,Em=521nm. It cannot penetrate the cell membrane, can be inside the cell intact retention CFDA-SE can not accidental reversibly and intracellular protein Lysine residues or other amino binding reaction occurs, thus tag on these proteins.

In Human erythroleukaemic cell line K562, and other cell lines, although all cells are labeled with relatively high fluorescence intensity by CFDA-SE, the efficiency of labeling is highly variable[3].Electron dense vesicles are seen at the ultrastructural level in labeled cells. Discrete vesicular labeling can also be observed in whole cell mounts viewed with fluorescence microscopy. Whole cells retain good label for 6 weeks. CFDA-SE labeling is relatively easy, nontoxic to cells and nonradiocactive[2].

In vitro lymphocyte cell proliferation analysis by CFDA-SE method is a reliable and practical choice for the assessment of mitogenic T lymphocyte responses in yet unclassified PID patients for targeting further genetical analyses[6].When NM is detected by flow cytometry, FL1 detection channel CFDA-SE -labeled cells can be adopted, and fluorescence microscopy can also be used to observe CFDA-SE -labeled cells without staining adjacent cells[8].

CFDA-SE has been reported to be effective in labeling CD34+ cells, CD34+ cells isolated from fetal liver or thymus were labeled with CFDA-SE and were injected into a human thymus grafted subcutaneously in the RAG-2 / IL-2Rγ / mice. One to 4 weeks later the CFDA-SE label was found not only in T cells but also in CD123+/high CD4+CD45RA+ pDC2, indicating that the CD34+ cells can develop into pDC2 within a thymus. In addition to pDC2, CFDA-SE -labeled dendritic cells with a mature phenotype, determined by the cell surface markers CD11c, CD83, and CD80, were found in the injected human thymus graft. pDC2 was not found in the periphery of mice carrying a human thymic graft, indicating that the intrathymic pDC2 failed to emigrate from the thymus[5]. In C57BL/6 mice,CFDA-SE, at 80 times the concentration used for in vitro labeling, was nontoxic and labeled randomly approximately 15% of thymocytes 24 h after injection. The turnover rate of labeled thymic emigrants in the lymph nodes was in the order of 21 days. Thus, CFDA-SE may serve as a powerful tool in relatively long-term migration studies[7].

References:
[1]: Chen JC, Chang ML, et,al. A kinetic study of the murine mixed lymphocyte reaction by 5,6-carboxyfluorescein diacetate succinimidyl ester labeling. J Immunol Methods. 2003 Aug;279(1-2):123-33. doi: 10.1016/s0022-1759(03)00236-9. PMID: 12969553.
[2]: Gruber HE, Leslie KP, et,al. Optimization of 5-(and-6)-carboxyfluorescein diacetate succinimidyl ester for labeling human intervertebral disc cells in vitro. Biotech Histochem. 2000 May;75(3):118-23. doi: 10.3109/10520290009066489. PMID: 10950173.
[3]: Wang XQ, Duan XM, et,al. Carboxyfluorescein diacetate succinimidyl ester fluorescent dye for cell labeling. Acta Biochim Biophys Sin (Shanghai). 2005 Jun;37(6):379-85. doi: 10.1111/j.1745-7270.2005.00051.x. PMID: 15944752.
[4]: Lyons AB, Blake SJ, et,al. Flow cytometric analysis of cell division by dilution of CFSE and related dyes. Curr Protoc Cytom. 2013;Chapter 9:Unit9.11. doi: 10.1002/0471142956.cy0911s64. PMID: 23546777.
[5]: Weijer K, Uittenbogaart CH, et,al. Intrathymic and extrathymic development of human plasmacytoid dendritic cell precursors in vivo. Blood. 2002 Apr 15;99(8):2752-9. doi: 10.1182/blood.v99.8.2752. PMID: 11929763.
[6]: Azarsiz E, Karaca N, et,al. In vitro T lymphocyte proliferation by carboxyfluorescein diacetate succinimidyl ester method is helpful in diagnosing and managing primary immunodeficiencies. J Clin Lab Anal. 2018 Jan;32(1):e22216. doi: 10.1002/jcla.22216. Epub 2017 Apr 6. PMID: 28383134; PMCID: PMC6816938.
[7]: Graziano M, St-Pierre Y, et,al. The fate of thymocytes labeled in vivo with CFSE. Exp Cell Res. 1998 Apr 10;240(1):75-85. doi: 10.1006/excr.1997.3900. PMID: 9570923.
[8]:Li X, Dancausse H, et,al. Labeling Schwann cells with CFSE-an in vitro and in vivo study. J Neurosci Methods. 2003 May 30;125(1-2):83-91. doi: 10.1016/s0165-0270(03)00044-x. PMID: 12763234.