| Product Name | SensoLyte ® Rh110 Matriptase Activity Assay Kit *Fluorimetric* |
| Size | 1 kit |
| Catalog # | AS-72241 |
| US$ | $480 |
Matriptase (also known as MT-SP1, ST14, TADG-15 and epithin) is a trypsin-like protease from the family of type II transmembrane serine proteases. The spectrum of known Matriptase substrates includes extracellular matrix proteins, cell adhesion molecules, ion channels, growth-factor-like proteins and other proteases. Its actions can result in protein processing, activation or degradation. Matriptase is widely expressed in virtually all epithelium and is specifically found in tumors of epithelial origin. Matriptase has been implicated in carcinogenesis including ovarian, prostate and cervical cancers and is considered a drug target for developing cancer therapeutic agent (1-3).The SensoLyte® Rh110 Matriptase Assay Kit provides a convenient assay for screening of enzyme inhibitors and activators or for continuous assay of enzyme activity using a fluorogenic substrate. Upon matriptase cleavage, this substrate generates the Rh110 (Rhodamine 110) fluorophore which has a bright green fluorescence and can be detected at excitation/emission=496 nm/520 nm. The longer wavelength spectra and higher extinction coefficient of Rh110 provide greater sensitivity and less interference from other reaction components. This assay can detect as low as 0.15 ng/mL active Matriptase. Figure. Inhibition of Matriptase activity by Leupeptin as measured with SensoLyte® Rh110 Matriptase Activity Assay Kit. | |
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| Detailed Information |  Datasheet Material Safety Data Sheets (MSDS) |
| References | 1. Welman, A. etal. PLOS One 7, e34182 (2012). 2. List,K. et al. Mol Med12,1-3 (2006).3. Quimbar, P. et al.J BiolChem 288, 13885 (2013) |
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Bone Mesenchymal Stem Cells 作为一个细胞群体，还没有发现有特定细胞表面marker. 对于那些可以代表自我更新和分化的marker, 也不清楚到底要发现哪一个的表达才能确定该细胞就是BMSC。
目前常用的方法，就是采用培养，colony-forming unit-fibroblasts (CFU-F)这个方法。一般BMSC可以24-48小时贴壁。
流式细胞计数，比如STRO-1，但是一般认为STRO-1阳性的细胞更趋向于造血干细胞，和BMSC简单区别还不是很清楚。
这里有个培养分化的产品
http://www.rndsystems.com/pdf/SC020.pdf
GlucosestarvationcausestranslocationofAMPKβ2tothelysosomeinHEK-293cellsthatisdependentonN-myristoylation.Theexperimentwasperformedinβ2KOcellsasinFig.1c,exceptthatthelysosomalMarkerLAMP1(taggedwithRFP)wasco-expressedwiththewild-typeormutantAMPKβ2.Upperpanelsshowmergedimagesstainedblue(4′,6-diamidino-2-phenylindole(DAPI),nuclei),red(LAMP1,lysosomes)andgreen(AMPKβ2,detectedusingantibodyvalidatedine),incellsincubatedwithorwithoutglucosefor20 min.Lowersmallpanelsaremagnificationsoftheareasindicatedbydashedboxesintheupperpanels,showing(LtoR)redandgreenchannelsandmergedimages.
下面的这段话是图注，图注的意思我明白，但是我想知道merge后的图看什么颜色的荧光，蓝色是细胞核，红色是lysosome(位于胞质），绿色是AMPKβ2，该实验是想观察AMPKβ2是否转位到lysosome上了，如果确实发生了AMPKβ2转位到lysosome上，那么merge后是红色与绿色融合在一起，是吗？融合在一起发什么颜色的光了？
