目录号 | MX4023-100UL | 售价 | 996.00元 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
规格 | 100μl | 运输温度 | 冰袋运输 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
其他名称 | PKH67 Cell Linker Kit for General Cell Membrane Labeling | 保存温度 | 2-8℃避光保存 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
CAS号 | N/A | 有效期 | 1年 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
应用 | 细胞增殖和示踪研究 | 订购数量 |
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产品简介:
PKH67细胞连接试剂盒(用于常规细胞膜标记)
产品关键词: PKH67;PKH26;Calcein AM钙黄绿素;PKH67;CFDA SE;In vivo cell tracking体内细胞示踪;Sigma MINI26;Phanos Technologies;
产品信息
【好消息】:应客户的要求,我司对试剂盒内的Diluent C可单独供应,产品信息如下:
产品描述 PKH67细胞连接试剂盒(用于常规细胞膜标记)(PKH67 Cell Linker Kit for General Cell Membrane Labeling)是一款基于荧光探针PKH67,用于常规细胞膜标记的检测试剂盒,适用于体外细胞标记,体外细胞增殖以及长期的体内细胞跟踪研究等。
PKH67是一种专利的膜标记探针,与PKH1和PKH2相比,结构上带有更长的脂肪族碳尾,能稳定插入细胞膜脂质区域。正因具更长碳尾,内部数据连续性证明:PKH67具有比PKH2更低的细胞-细胞间转运发生。PKH67呈绿色荧光(见图1),最大激发波长为490nm,最大发射波长是502nm,与标准荧光素(Fluorescein)滤片兼容。PKH67非常适合用于细胞毒性实验,与碘化丙啶(PI,MX4205)或7-氨基放线菌素D(7-AAD,MX4215)这些细胞活力探针联合使用,或者与橙-红色荧光探针比如藻红蛋白(PE,MX4698)、红色荧光蛋白(RFP)等结合使用。根据染料稀释原理,PKH67常用于细胞增殖监测分析,包括抗原特异性的前体频率和带干细胞特性的静息/缓慢分化肿瘤细胞的鉴定。也能用于监测外泌体或脂质体吞噬,细胞-细胞膜转运、吞噬、抗原递呈,以及体内细胞运输研究。
以不分裂细胞为研究对象,通过对体外细胞膜滞留周期和体内荧光强度减弱频率的关联性分析,预测PKH67的体内荧光半衰期为10-12天。这与PKH1和PKH2的体内半衰期相近,这两个探针都成功用于监测周期长达1-2个月的体内淋巴细胞和巨噬细胞运输研究,因此,PKH67适用于需要绿色荧光细胞连接染料的短-中期体内示踪研究,以及体外细胞毒性、吞噬、增殖、抗原递呈,或其它共培养实验。
稀释液C(Diluent C)是本试剂盒配套提供的一种水溶性溶液,特别设计的一种标记媒介能维持细胞活力,同时最大化染料溶解性和标记过程中的染色效率。Diluent C对哺乳动物细胞来说是等渗的,不含去污剂或有机溶剂,也不含生理盐和缓冲剂。根据细胞类型,染料标记后膜的内在化程度,标记细胞可能呈现不同的状态,从明亮,到均匀点状或斑驳状。然而,PKH67荧光在生理范围内不依赖于pH,且每个细胞的荧光强度通常不受染料位置的影响。
图1. PKH67的激发和发射光谱图
我司(懋康生物)提供三种规格的PKH67细胞连接试剂盒(用于常规细胞膜标记),其中: Mini Kit(CAT#:MX4023-100UL)建议用于小量或初步研究。当使用2ml染色体积(含2μM终浓度的PKH67),本试剂盒含有足量的染料用于检测25次细胞样本(2×107个细胞/次),和足量的Diluent C用于5次细胞样本(2×107个细胞/次)。用户需根据细胞类型和实验目的来优化确定最佳的染料浓度。 Midi Kit(CAT#:MX4023-200UL)适用于中量研究,比如体外细胞增殖或毒性研究。当使用2ml染色体积(含2μM终浓度的PKH67),本试剂盒含有足量的染料用于检测50次细胞样本(2×107个细胞/次),和足量的Diluent C用于30次细胞样本(2×107个细胞/次)。用户需根据细胞类型和实验目的来优化确定最佳的染料浓度。 Maxi Kit(CAT#:MX4021-500UL)适用于大量或体内研究。当使用2ml染色体积(含2μM终浓度的PKH67),本试剂盒含有足量的染料用于检测125次细胞样本(2×107个细胞/次),和足量的Diluent C用于30次细胞样本(2×107个细胞/次)。用户需根据细胞类型和实验目的来优化确定最佳的染料浓度。
产品包装
|
产品编号 |
产品名称 |
规格 |
MX3010-500T |
CFDA SE Cell Proliferation and Cell Tracking Kit |
500T |
MX3009-5MG |
CFDA, SE细胞增殖示踪荧光探针 |
5mg |
MX3012-500T |
Calcein AM/PI Double Stain Kit活细胞/死细胞双染试剂盒 |
500T |
MX3011-50UG |
Calcein, AM, Ultra Pure Grade钙黄绿素(绿色) |
50μg |
MX4021-100UL |
PKH26 Cell Linker Kit for General Cell Membrane Labeling PKH26细胞连接试剂盒(用于常规细胞膜标记) |
100μl |
MX4022-10ML |
Diluent C for General Membrane Labeling稀释液C |
10ml |
MX4023-100UL |
PKH67 Cell Linker Kit for General Cell Membrane Labeling PKH67细胞连接试剂盒(用于常规细胞膜标记) |
100μl |
MX4007-50UG |
Celltracker CM-DiI活细胞示踪剂CM-DiI(红色) |
1×50μg |
MX4001-10MG |
DiO (DiOC18(3))细胞膜绿色荧光探针 |
10mg |
MX4002-10MG |
DiI (DiIC18(3))细胞膜橙红色荧光探针 |
10mg |
引用文献
[1] Yan, F., Cui, W. & Chen, Z. Mesenchymal Stem Cell-Derived Exosome-Loaded microRNA-129-5p Inhibits TRAF3 Expression to Alleviate Apoptosis and Oxidative Stress in Heart Failure. Cardiovasc Toxicol 22, 631–645 (2022). https://doi.org/10.1007/s12012-022-09743-9
(染色对象:外泌体)
After thawing, the isolated MSC-Exos were labeled using a PKH67 Cell Linker Kit for General Cell Membrane Labeling (MX4023, Shanghai Maokang Biotechnology Co., Ltd., Shanghai, China).
[2] Jiao W, Hao J, Liu JM, Gao WN, Zhao JJ, Li YJ. Mesenchymal stem cells-derived extracellular vesicle-incorporated H19 attenuates cardiac remodeling in rats with heart failure. Kaohsiung J Med Sci. 2024 Jan;40(1):46-62. doi: 10.1002/kjm2.12774. Epub 2023 Oct 27. PMID: 37885317. (染色对象:细胞外囊体EV)
To observe the uptake of EV by H9C2 cells, we labeled and resuspended MSC-EV in DMEM using the PKH67 Cell Linker Kit for General Cell Membrane Labeling kit (Shanghai Maokang Biotechnology Co., Ltd., Shanghai, China) according to the protocol.
[3] Pan G, Jiang B, Yi Z, Yin J, Liu Y. Exosomal miR-105-5p derived from bladder cancer stem cells targets for GPR12 to promote the malignancy of bladder cancer. BMC Urol. 2023 Oct 3;23(1):155. doi: 10.1186/s12894-023-01326-2. PMID: 37789353; PMCID: PMC10548737.
(染色对象:外泌体)
PKH67 staining assay
Exosome uptake of EJ and T24 cells was analyzed by PKH67 staining assay using the kit according to the manual (MX4023-100UL; Shanghai Maokang Biotech Co., Ltd.). Briefly, 2 × 107 exosomes were collected and resuspended in 1 ml Diluent C. 4 μl of PKH67 solution was added into the resuspension and incubated for 5 min. Then, the PKH67-labeled exosomes were incubated with EJ and T24 cells for 24 h and the cellular location of the exosomes was observed by a fluorescence microscope. DAPI was used to stain the nuclei of the tumor cells.
[4] Wu R, Li J, Aicher A, Jiang K, Tondi S, Dong S, Zheng Q, Tang S, Chen M, Guo Z, Šabanović B, Ananthanarayanan P, Jiang L, Sapino A, Wen C, Fu D, Shen B, Heeschen C. Gasdermin C promotes Stemness and Immune Evasion in Pancreatic Cancer via Pyroptosis-Independent Mechanism. Adv Sci (Weinh). 2024 Sep 19:e2308990. doi: 10.1002/advs.202308990. Epub ahead of print. PMID: 39297408.
(染色对象:巨噬细胞)
In Vitro Macrophage Phagocytosis Assay
PBMC, immortalized Bone Marrow-Derived Macrophage (iBMDM) cells, or THP-1 cells activated with PMA (#S1819, Beyotime, 100 ng mL−1 for three days) were labeled with PKH26 (#MX4021, MaokangBio), while cancer cells were labeled with PKH67 (#MX4023, MaokangBio), following the manufacturer's instructions. The macrophages were then mixed with the cancer cells at a ratio of 2:1 and seeded onto a 6-well plate. Images were taken at the indicated time points, and the phagocytic index was calculated as the number of phagocytosed cancer cells per 100 macrophages. For anti-CD47 antibody treatment, 10 µg mL−1 anti-CD47 antibody or isotype IgG was added to the co-culture medium of CHX2000 cells and iBMDM cells at a 1:1 cell ratio. Cancer cell confluence was determined by fluorescent imaging and quantification.
[5] Yao F, Zhao Y, Wang G, Zhao M, Hong X, Ye Z, Dong F, Li W, Deng Q. Exosomal lncRNA ROR1-AS1 from cancer-associated fibroblasts inhibits ferroptosis of lung cancer cells through the IGF2BP1/SLC7A11 signal axis. Cell Signal. 2024 Aug;120:111221. doi: 10.1016/j.cellsig.2024.111221. Epub 2024 May 8. PMID: 38729321.
(染色对象:外泌体)
Exosomes and PKH67 (MX4023, MaoKangBio, Shanghai, China) were diluted, respectively, using diluent C (1 mL, MX4022, MaoKangBio).
— —Written/Edited by V. Shallan【版权归MKBio懋康所有】
上海懋康生物科技有限公司是一家涉足于生命科学和生物技术领域研究的试剂、仪器和实验室消耗品与实验服务工作,主要从事细胞生物学、植物学、分子生物学、免疫学、生物化学、蛋白组学。生物制药与诊断试剂研发生产等领域。 本公司秉承“以人为本,以诚为信、合同守信”的经营理念。坚持"品质保障"的原则为广大客户提供优质产品。