Name: automated analysis of dynamic ca2+ signals in image sequences
Uploaded: 2014-06-16T15:00:00
Description: Watch this Scientific Journal Video about Automated Analysis of Dynamic Ca2+ Signals in Image Sequences at JoVE.com

这项工作是由国家机构支持部分卫生赠款HL-085887，HL-092992，S10RR027535和MOP-93676。

1，血管夹层和成像<ol><li>从国内少年猪一样的马腾斯等 27所描述的收获组织。将收获的猪右心室成聚二甲基硅氧烷（PDMS）含有HEPES缓冲生理盐水溶液（PSS）的底部夹层菜。 <ol><li>用立体显微镜的帮助下，解剖，取出左前从使用镊子和剪刀弹簧通过从周围的心脏组织的层去除血管区段周围组织降支冠状动脉（约8毫米长，0.5毫米直径）的片段。注意：小心不要刺破血管壁。 </li><li>放...

<ol>
	<li>Berridge, M. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Inositol+trisphosphate+and+calcium+signalling.">Inositol trisphosphate and calcium signalling.</a> Nature. 361 (6410), 315-325 (1993).</li><li>Berridge, M. J., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+versatility+and+universality+of+calcium+signalling.">The versatility and universality of calcium signalling.</a> Nat Rev Mol Cell Biol. 1 (1), 11-21 (2000).</li><li>Delisle, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+four+dimensions+of+calcium+signalling+in+Xenopus+oocytes.">The four dimensions of calcium signalling in Xenopus oocytes.</a> Cell Calcium. 12 (2-3), 217-227 (1991).</li><li>Dupont, G., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Calcium+dynamics:+spatio-temporal+organization+from+the+subcellular+to+the+organ+level.">Calcium dynamics: spatio-temporal organization from the subcellular to the organ level.</a> Int Rev Cytol. 261, 193-245 (2007).</li><li>Hayashi, H., Miyata, H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Fluorescence+imaging+of+intracellular+Ca2.">Fluorescence imaging of intracellular Ca2.</a> J Pharmacol Toxicol Methods. 31 (1), 1-10 (1994).</li><li>Barreto-Chang, O. L., Dolmetsch, R. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Calcium+imaging+of+cortical+neurons+using+Fura-2+AM.">Calcium imaging of cortical neurons using Fura-2 AM.</a> J Vis Exp. 23, (2009).</li><li>Hong, J. H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Intracellular+calcium+spikes+in+rat+suprachiasmatic+nucleus+neurons+induced+by+BAPTA-based+calcium+dyes.">Intracellular calcium spikes in rat suprachiasmatic nucleus neurons induced by BAPTA-based calcium dyes.</a> PloS One. 5 (3), (2010).</li><li>Kuga, N., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Large-scale+calcium+waves+traveling+through+astrocytic+networks+in+vivo.">Large-scale calcium waves traveling through astrocytic networks in vivo.</a> J Neurosci. 31 (7), 2607-2614 (2011).</li><li>Mumtaz, S., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+mechanism+of+agonist+induced+Ca2++signalling+in+intact+endothelial+cells+studied+confocally+in+in+situ+arteries.">The mechanism of agonist induced Ca2+ signalling in intact endothelial cells studied confocally in in situ arteries.</a> Cell Calcium. 49 (1), 66-77 (2011).</li><li>Paredes, R. M., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Chemical+calcium+indicators.">Chemical calcium indicators.</a> Methods. 46 (3), 143-151 (2008).</li><li>Silei, V., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Measurement+of+intracellular+calcium+levels+by+the+fluorescent+Ca2++indicator+Calcium-Green.">Measurement of intracellular calcium levels by the fluorescent Ca2+ indicator Calcium-Green.</a> Brain Res Brain Res Protoc. 5 (2), 132-134 (2000).</li><li>Simpson, A. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Fluorescent+measurement+of+[Ca2+]c:+basic+practical+considerations.">Fluorescent measurement of [Ca2+]c: basic practical considerations.</a> Methods Mol Biol. 937, 3-36 (2006).</li><li>Gaspers, L. D., Thomas, A. P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Calcium+signaling+in+liver.">Calcium signaling in liver.</a> Cell Calcium. (3-4), 329-342 (2005).</li><li>Hellman, B., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Cytoplasmic+Ca2++oscillations+in+pancreatic+&#223;-cells.">Cytoplasmic Ca2+ oscillations in pancreatic &#223;-cells.</a> Biochem Biophys Acta. 1113 (3-4), 295-305 (1992).</li><li>Kansui, Y., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Enhanced+spontaneous+Ca2++events+in+endothelial+cells+reflect+signalling+through+myoendothelial+gap+junctions+in+pressurized+mesenteric+arteries.">Enhanced spontaneous Ca2+ events in endothelial cells reflect signalling through myoendothelial gap junctions in pressurized mesenteric arteries.</a> Cell Calcium. 44 (2), 135-146 (2008).</li><li>Tatsumi, H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Measurement+of+the+intracellular+calcium+concentration+in+guinea-pig+myenteric+neurons+by+using+fura-2.">Measurement of the intracellular calcium concentration in guinea-pig myenteric neurons by using fura-2.</a> Brain res. 451 (1-2), 371-375 (1988).</li><li>Lorenz, J. J., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Pixel-based+criteria-oriented+analysis+of+time-lapse+Ca2+-fluorescence+images.">Pixel-based criteria-oriented analysis of time-lapse Ca2+-fluorescence images.</a> J Neurosci Meth. 127 (2), 157-166 (2003).</li><li>Mukamel, E. A., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Automated+analysis+of+cellular+signals+from+large-scale+calcium+imaging+data.">Automated analysis of cellular signals from large-scale calcium imaging data.</a> Neuron. 63 (6), 747-760 (2009).</li><li>Reidl, J., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Independent+component+analysis+of+high-resolution+imaging+data+identifies+distinct+functional+domains.">Independent component analysis of high-resolution imaging data identifies distinct functional domains.</a> Neuroimage. 34 (1), 94-108 (2007).</li><li>Wegner, F., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Automated+detection+of+elementary+calcium+release+events+using+the+&#225;+trous+wavelet+transform.">Automated detection of elementary calcium release events using the &#225; trous wavelet transform.</a> Biophys J. 90 (6), 2151-2163 (2006).</li><li>Cheng, H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Amplitude+distribution+of+calcium+sparks+in+confocal+images:+theory+and+studies+with+an+automatic+detection+method.">Amplitude distribution of calcium sparks in confocal images: theory and studies with an automatic detection method.</a> Biophys J. 76 (2), 606-617 (1999).</li><li>Picht, E., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=SparkMaster:+automated+calcium+spark+analysis+with+ImageJ.">SparkMaster: automated calcium spark analysis with ImageJ.</a> Am J Physiol Cell Physiol. 293 (3), (2007).</li><li>Abramoff, M. D., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Image+processing+with+ImageJ.">Image processing with ImageJ.</a> Biophoton Int. 11, 36-42 (2004).</li><li>Francis, M., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Automated+region+of+interest+analysis+of+dynamic+Ca2++signals+in+image+sequences.">Automated region of interest analysis of dynamic Ca2+ signals in image sequences.</a> Am J Physiol Cell Physiol. 303 (3), (2012).</li><li>Qian, X., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Recruitment+of+dynamic+endothelial+Ca2++signals+by+the+TRPA1+channel+activator+AITC+in+rat+cerebral+arteries.">Recruitment of dynamic endothelial Ca2+ signals by the TRPA1 channel activator AITC in rat cerebral arteries.</a> Microcirculation. 20 (2), 138-148 (2013).</li><li>Taylor, M. S., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Dynamic+Ca2++signal+modalities+in+the+vascular+endothelium.">Dynamic Ca2+ signal modalities in the vascular endothelium.</a> Microcirculation. 19 (5), 423-429 (2012).</li><li>Martens, C. J., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Mucous+solids+and+liquid+secretion+by+airways:+studies+with+normal+pig,+cystic+fibrosis+human,+and+non-cystic+fibrosis+human+bronchi.">Mucous solids and liquid secretion by airways: studies with normal pig, cystic fibrosis human, and non-cystic fibrosis human bronchi.</a> Am J Physiol Lung Cell Mol Physiol. 301 (2), (2011).</li></ol>

在细胞和多细胞水平进行译码复杂的Ca 2 +信号，将需要严格的实验和分析方法。这里，这种方法描述了其中时间分辨共焦图象的Ca 2 +依赖的荧光的序列进行识别及量化统计学相关的Ca 2 +内完好蜂窝字段在特定情况下，信号表示的自动分析，动脉段是孤立从猪的心脏，寄托打开，露出内皮，装入的Ca 2 +指示剂fluo-4 AM，受到共聚焦成像，并使用自定义算法LC_Pro评估。?...

钙离子是一种普遍存在的第二信使的信号分子和细胞内Ca 2 +的水平受到高度监管。细胞内Ca 2 +信号是复杂的，包括分离的瞬变，振荡，并传播波是1 - 4。的Ca 2 +的空间和时间的控制被认为是背后的生理信号的特殊性，因此对Ca 2 +的信号模式的分析是相当大的兴趣在多个领域的5调查。 的Ca 2 +指示剂染料如荧光4和Fura-2的通常用于测量细胞内Ca 2 +信号用荧光显微镜5-12。典型地，时间的Ca 2 +信号被评价为用户定义的区域内的平均荧光随时间变化，或感兴趣区域（ROI）的5,6,13 - 16。目前，人工ROI分析是既费时又劳力由于病程中它要求用户识别许多的ROI，并执行重复计算17 - 19。这些技术也可能会受到相当大的用户错误，包括引进人工信号模式和排除低振幅或弥漫性信号18,20。 自动ROI检测算法先前已采用多种统计方法，以确定最佳的ROI的位置实现的，但他们一般都限于线扫描或伪线扫描图像，这限制了分析，以一个单一的空间维度中时间17分析， 19 - 22。此外，许多现有的算法都不足以涵盖钙，范围从周期性的，本地化的瞬态传播的波23,24 2 +释放事件的多样性。生理的Ca 2 +信号的综合评价通常进一步由显著图像ARTIF存在复杂行动是混淆信号，在许多实验系统噪音的歧视。 此前，自动ROI检测算法解决的Ca 2 +信号瞬态检测，实现为插件NIH ImageJ的软件（卫生，马里兰州贝塞斯达的美国国家研究院），是开发和验证25,26。这种算法，称为LC_Pro，目的是确定和分析的ROI无所不包的Ca 2 +信号瞬态二维时间推移图像序列。在这里，一个实用的实验方案和算法猪冠状动脉内皮细胞的应用有代表性的示范提供，使用开源统计处理软件研发，生成可用的图形输出额外的后处理。

<table border="0" cellpadding="0" cellspacing="0" width="573">
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			<td height="21" style="height:21px;width:216px;">dissection dish</td>
			<td style="width:71px;">Fisher Sci</td>
			<td style="width:119px;">#08-772-70</td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">polydimethylsiloxane (PDMS)</td>
			<td style="width:71px;">Fisher Sci</td>
			<td style="width:119px;">#NC9644388</td>
			<td>elastomer kit, must be molded into dishes</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">HEPES-buffered PSS</td>
			<td style="width:71px;">Sigma</td>
			<td style="width:119px;">#H3375-250G</td>
			<td>HEPES acid</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:216px;">stereomicroscope</td>
			<td style="width:71px;">Nikon Inst.</td>
			<td style="width:119px;">#MNA42000</td>
			<td></td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:216px;">forceps</td>
			<td style="width:71px;">Fine Science Tools</td>
			<td style="width:119px;">#11223-20</td>
			<td></td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:216px;">spring scissors</td>
			<td style="width:71px;">Fine Science Tools</td>
			<td style="width:119px;">15003-08</td>
			<td></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:216px;">tungsten wire</td>
			<td style="width:71px;">Scientific Inst Svcs</td>
			<td style="width:119px;">#406</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Fluo-4 AM</td>
			<td style="width:71px;">Life Tech.</td>
			<td style="width:119px;">#F-14201</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">pluronic F-127</td>
			<td style="width:71px;">Life Tech.</td>
			<td style="width:119px;">#P3000MP</td>
			<td></td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:216px;">metal pins</td>
			<td style="width:71px;">Fine Science Tools</td>
			<td style="width:119px;">#26002-10</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">cover-glass bottom chamber</td>
			<td style="width:71px;"></td>
			<td style="width:119px;"></td>
			<td>Custom designed</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:216px;">spinning disc confocal microscope</td>
			<td style="width:71px;">Perkin Elmer</td>
			<td style="width:119px;">RS-3</td>
			<td></td>
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			<td height="21" style="height:21px;width:216px;">imageJ software</td>
			<td style="width:71px;"></td>
			<td style="width:119px;"></td>
			<td><a href="http://rsbweb.nih.gov/ij/download.html">download at: http://rsbweb.nih.gov/ij/download.html</a></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">LC_Pro plugin for imageJ</td>
			<td style="width:71px;"></td>
			<td style="width:119px;"></td>
			<td><a href="http://rsbweb.nih.gov/ij/plugins/lc-pro/index.html">download at: http://rsbweb.nih.gov/ij/plugins/lc-pro/index.html</a></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">R software</td>
			<td style="width:71px;"></td>
			<td style="width:119px;"></td>
			<td><a href="http://www.r-project.org/">download at: http://www.r-project.org/</a></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">R traceplot script</td>
			<td style="width:71px;"></td>
			<td style="width:119px;"></td>
			<td><a href="https://docs.google.com/file/d/0B-PSp1D9e2fjV3NIcGppUzkxdEk/edit?usp=sharing">download at: https://docs.google.com/file/d/0B-PSp1D9e2fjV3NIcGppUzkxdEk/edit?usp=sharing</a></td>
		</tr>
	</tbody>
</table>

automated analysis of dynamic ca2+ signals in image sequences

细胞内Ca 2 +信号通常研究了用荧光钙离子指 ​​示剂染料和显微镜技术。然而，Ca 2 +的成像数据的定量分析是费时并受偏压。基于感兴趣区域（ROI）的检测区域自动信号分析算法已实施了一维的线扫描测量，但没有目前的算法集成在二维图像序列优化的识别和投资回报的分析。这里的算法进行快速采集和投资回报分析图像序列进行描述。它利用椭圆拟合到噪声滤波的信号，以确定最佳的ROI的位置，并且计算的Ca 2 +信号的幅度，持续时间和空间扩散参数。该算法被实现为一个可自由查看的插件ImageJ的（NIH）的软件。连同开源的统计处理软件研发书面分析脚本，这种方法提供了一种高容量的管道，用于执行实验的输出的快速统计分析。作者认为，使用这种分析的协议会导致生理的Ca 2 +信号的更全面和公正的表征。

自定义算法，LC_Pro，开发并为了实现来执行CA的自动分析的共聚焦图像序列2 +动态。正如如图1所示，该算法采用顺序处理模块，A）检测和动态的Ca轨道站点​​2 +更改上述统计（P &lt;0.01），噪音，B），自动在活动现场中心定义的感兴趣区（ROI）区域， C）计算平均荧光强度的投资回报，以确定具体的事件参数。该算法的图形概述使用已知的强度和位置的计算机生成的...

Watch this Scientific Journal Video about Automated Analysis of Dynamic Ca2+ Signals in Image Sequences at JoVE.com

Automated Analysis of Dynamic Ca2+ Signals in Image Sequences

动态钙的自动分析<sup&gt; 2 +</sup&gt;在图像序列信号

在这里，一种新型的基于排序的二维时间推移图像序列中分配给积极信号的地区最适合椭圆利益分析协议的区域是证明。该算法可以使研究人员综合分析生理的Ca 2 +信号以最小的用户输入和偏见。

Intracellular Ca2+ signals are commonly studied with fluorescent Ca2+ indicator dyes and microscopy techniques. However, quantitative analysis of Ca2+ ...

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Automated Analysis of Dynamic Ca2+ Signals in Image Sequences

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proteins ...

Measuring Spatial and Temporal Ca2+ Signals in Arabidopsis Plants

Measuring Spatial and Temporal Ca2+ Signals in Arabidopsis Plants

测量时空的Ca<sup&gt; 2 +</sup&gt;在拟南芥信号

Developmental and environmental cues induce Ca2+ fluctuations in plant cells. Stimulus-specific spatial-temporal Ca2+ patterns are sensed by cellular Ca2+ ...

Imaging Local Ca2+ Signals in Cultured Mammalian Cells

Imaging Local Ca2+ Signals in Cultured Mammalian Cells

成像本地CA<sup&gt; 2+</sup&gt;在培养的哺乳动物细胞信号

Cytosolic Ca2+ ions regulate numerous aspects of cellular activity in almost all cell types, controlling processes as wide-ranging as gene transcription, ...

High-resolution Time-lapse Imaging and Automated Analysis of Microtubule Dynamics in Living Human Umbilical Vein Endothelial Cells

高分辨率成像定时，并在活体人脐静脉内皮细胞微管动力学自动分析

The physiological process by which new vasculature forms from existing vasculature requires specific signaling events that trigger morphological changes ...

Clock Scan Protocol for Image Analysis: ImageJ Plugins

用于图像分析的时钟扫描协议：ImageJ插件

The clock scan protocol for image analysis is an efficient tool to quantify the average pixel intensity within, at the border, and outside (background) a ...