Fluo-3, AM *CAS 121714-22-5*

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<strong>Effect of increased [Ca<sup>2+</sup>]i on the subcellular localization of CacyBP/SIP in colon cancer SW480 cells. </strong>(A) Effect of different concentrations of ionomycin on the localization of endogenous CacyBP/SIP. Cells were treated with ionomycin for 30 min, followed by immunostaining using anti-CacyBP/SIP, and were imaged with confocal microscopy. CacyBP/SIP was translocated to the perinuclear region in SW480 cells. After stimulation with an increasing amount of ionomycin (0, 1, 2, 5, 10 μmol/L) for 30 min at 37°C, SW480 cells were fixed and immunostained using CacyBP/SIP MAb (panels a, d, g, j, and m), and nuclei were labelled with DAPI (panels b, e, h, k, and n). The merged images are shown in panels c, f, i, l, and o. The scale bar represents 50 μm. (B) The intensity of cytosolic free intracellular Ca<sup>2+</sup> fluorescence in SW480 cells treated with ionomycin (0, 1, 2, 5, 10 μmol/L). The Fluo-3 fluorescence intensity in SW480 cells reached a plateau at 5 μmol/L and 10 μmol/L of ionomycin. SW480 cells were loaded with 20 μmol/L of Fluo-3/AM for 45 min under a confocal microscope (495 nm). The fluorescence was captured every 2 sec and recorded for 3 min. (C) The bar chart shows the intracellular Fluo-3 intensity. Ca<sup>2+</sup> concentration is increased by treatment with 2, 5, and 10 μmol/L of ionomycin (***P<0.001). Source: <strong>The effect of S100A6 on nuclear translocation of CacyBP/SIP in colon cancer cells</strong> by Shanshan Feng et al., <em>PLOS</em>, March 2018.
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1 mg 21010 $145


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Overview

Ex/Em (nm)506/515
MW1129.85
Kd (nM)390
CAS #121714-22-5
SolventDMSO
Storage Freeze (<-15 °C)
Minimize light exposure
Category Calcium,
Membrane and Channels,
Biomolecule Detection
Calcium measurement is critical for numerous biological investigations. Fluorescent probes that show spectral responses upon binding Ca2+ have enabled researchers to investigate changes in intracellular free Ca2+ concentrations by using fluorescence microscopy, flow cytometry, fluorescence spectroscopy and fluorescence microplate readers. Fluo-3 and Rhod-2 are most commonly used among the visible light-excitable calcium indicators. Fluo-3 indicators are widely used in flow cytometry and confocal laser-scanning microscopy. More recently, Fluo-3, AM has been extensively used in cell-based high-throughput screening assays for functional GPCR assays. Fluo-3 is essentially nonfluorescent unless bound to Ca2+ and exhibits a quantum yield at saturating Ca2+ of ~0.14 and a Kd for Ca2+ of 390 nM.




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References

Measurement of cytoplasmic Ca2+ concentration in Saccharomyces cerevisiae induced by air cold plasma
Authors: DONG Xiaoyu
Journal: Plasma Science and Technology (2018): 044001

Phospholipase Cγ2 is critical for Ca 2+ flux and cytokine production in anti-fungal innate immunity of human corneal epithelial cells
Authors: Xudong Peng, Guiqiu Zhao, Jing Lin, Jianqiu Qu, Yingxue Zhang, Cui Li
Journal: BMC ophthalmology (2018): 170

The effect of S100A6 on nuclear translocation of CacyBP/SIP in colon cancer cells
Authors: Shanshan Feng, Qiaozhi Zhou, Bo Yang, Qianqian Li, Aiqin Liu, Yingying Zhao, Changqing Qiu, Jun Ge, Huihong Zhai
Journal: PloS one (2018): e0192208

Calreticulin regulates TGF-β1-induced epithelial mesenchymal transition through modulating Smad signaling and calcium signaling
Authors: Yanjiao Wu, Xiaoli Xu, Lunkun Ma, Qian Yi, Weichao Sun, Liling Tang
Journal: The International Journal of Biochemistry & Cell Biology (2017)

Dexmedetomidine reduces hypoxia/reoxygenation injury by regulating mitochondrial fission in rat hippocampal neurons
Authors: Jia Liu, Qing Du, He Zhu, Yu Li, Maodong Liu, Shoushui Yu, Shilei Wang
Journal: Int J Clin Exp Med (2017): 6861--6868

Monosialoganglioside 1 may alleviate neurotoxicity induced by propofol combined with remifentanil in neural stem cells
Authors: Jiang Lu, Xue-qin Yao, Xin Luo, Yu Wang, Sookja Kim Chung, He-xin Tang, Chi Wai Cheung, Xian-yu Wang, Chen Meng, Qing Li
Journal: Neural Regeneration Research (2017): 945

Obtaining spontaneously beating cardiomyocyte-like cells from adipose-derived stromal vascular fractions cultured on enzyme-crosslinked gelatin hydrogels
Authors: Gang Yang, Zhenghua Xiao, Xiaomei Ren, Haiyan Long, Kunlong Ma, Hong Qian, Yingqiang Guo
Journal: Scientific Reports (2017): 41781

Di (2-ethylhexyl) phthalate-induced apoptosis in rat INS-1 cells is dependent on activation of endoplasmic reticulum stress and suppression of antioxidant protection
Authors: Xia Sun, Yi Lin, Qiansheng Huang, Junpeng Shi, Ling Qiu, Mei Kang, Yajie Chen, Chao Fang, Ting Ye, Sijun Dong
Journal: Journal of cellular and molecular medicine (2015): 581--594

The effect of mitochondrial calcium uniporter on mitochondrial fission in hippocampus cells ischemia/reperfusion injury
Authors: Lantao Zhao, Shuhong Li, Shilei Wang, Ning Yu, Jia Liu
Journal: Biochemical and biophysical research communications (2015): 537--542

Fungus induces the release of IL-8 in human corneal epithelial cells, via Dectin-1-mediated protein kinase C pathways.
Authors: Xu-Dong Peng, Gui-Qiu Zhao, Jing Lin, Nan Jiang, Qiang Xu, Cheng-Cheng Zhu, Jain-Qiu Qu, Lin Cong, Hui Li
Journal: International journal of ophthalmology (2014): 441--447


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