Name: multi-photon time lapse imaging to visualize development in real-time: visualization of migrating neural crest cells in zebrafish embryos
Uploaded: 2017-08-09T15:00:00
Description: Watch this Scientific Journal Video about Multi-Photon Time Lapse Imaging to Visualize Development in Real-time: Visualization of Migrating Neural Crest Cells in Zebrafish Embryos at JoVE.com

Gli autori ringraziano Thomas Schilling per gifting gentilmente il pesce di Tg (sox10:eGFP) e Mary Halloran per gifting gentilmente il pesce(foxd3:GFP) Tg.

The protocol described here was performed in accordance with the guidelines for the humane treatment of laboratory animals established by the University of Michigan Committee on the Use and Care of Animals (UCUCA).
1. Embryo Collection for Time-lapse Imaging
<ol>
	<li>Between 3 and 9 pm, set up male and female adult Tg(sox10:EGFP) or Tg(foxd3:GFP) transgenic zebrafish in a divided breeding tank for pairwise mating. 
	NOTE: The Tg(sox10:EGFP) and Tg(foxd3:G...

<ol>
	<li>Barembaum, M., Bronner-Fraser, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Early+steps+in+neural+crest+specification.">Early steps in neural crest specification.</a> Sem Cell Dev Biol. 16, 642-646 (2005).</li><li>Gage, P. J., Rhoades, W., Prucka, S. K., Hjalt, T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Fate+maps+of+neural+crest+and+mesoderm+in+the+mammalian+eye.">Fate maps of neural crest and mesoderm in the mammalian eye.</a> Invest Ophthalmol Vis Sci. 46 (11), 4200-4208 (2005).</li><li>Minoux, M., Rijli, F. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Molecular+mechanisms+of+cranial+neural+crest+cell+migration+and+patterning+in+craniofacial+development.">Molecular mechanisms of cranial neural crest cell migration and patterning in craniofacial development.</a> Development. 137, 2605-2621 (2010).</li><li>Trainor, P. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Specification+of+neural+crest+cell+formation+and+migration+in+mouse+embryos.">Specification of neural crest cell formation and migration in mouse embryos.</a> Sem Cell Dev Biol. 16, 683-693 (2005).</li><li>Johnston, M. C., Noden, D. M., Hazelton, R. D., Coulombre, J. L., Coulombre, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Origins+of+avian+ocular+and+periocular+tissues.">Origins of avian ocular and periocular tissues.</a> Exp Eye Res. 29, 27-43 (1979).</li><li>Bohnsack, B. L., Kahana, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Thyroid+hormone+and+retinoic+acid+interact+to+regulate+zebrafish+craniofacial+neural+crest+development.">Thyroid hormone and retinoic acid interact to regulate zebrafish craniofacial neural crest development.</a> Dev Biol. 373, 300-309 (2013).</li><li>Chawla, B., Schley, E., Williams, A. L., Bohnsack, B. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Retinoic+acid+and+pitx2+regulate+early+neural+crest+survival+and+migration+in+craniofacial+and+ocular+development.">Retinoic acid and pitx2 regulate early neural crest survival and migration in craniofacial and ocular development.</a> Birth Defects Res B Dev Reprod Toxicol. , (2016).</li><li>Trainor, P. A., Tam, P. P. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Cranial+paraxial+mesoderm+and+neural+crest+cells+of+the+mouse+embryo-codistribution+in+the+craniofacial+mesenchyme+but+distinct+segregation+in+branchial+arches.">Cranial paraxial mesoderm and neural crest cells of the mouse embryo-codistribution in the craniofacial mesenchyme but distinct segregation in branchial arches.</a> Development. 121 (8), 2569-2582 (1995).</li><li>Hong, C. S., Saint-Jeannet, J. P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Sox+proteins+and+neural+crest+development.">Sox proteins and neural crest development.</a> Sem Cell Dev Biol. 16, 694-703 (2005).</li><li>Steventon, B., Carona-Fontaine, C., Mayor, R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Genetic+network+during+neural+crest+induction:+from+cell+specification+to+cell+survival.">Genetic network during neural crest induction: from cell specification to cell survival.</a> Sem Cell Dev Biol. 16, 647-654 (2005).</li><li>Dressler, 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=Dental+and+craniofacial+anomalies+associated+wth+Axenfeld-Rieger+syndrome+with+PITX2+mutation.">Dental and craniofacial anomalies associated wth Axenfeld-Rieger syndrome with PITX2 mutation.</a> Case Report Med. , 621984 (2010).</li><li>Ozeki, H., Shirai, S., Ikeda, K., Ogura, Y. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Anomalies+associated+with+Axenfeld-Rieger+syndrome.">Anomalies associated with Axenfeld-Rieger syndrome.</a> Graefes Arch Clin Exp Ophthalmol. 237 (9), 730-734 (1999).</li><li>Strungaru, M. H., Dinu, I., Walter, M. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Genotype-phenotype+correlations+in+Axenfeld-Rieger+malformation+and+glaucoma+patients+with+FOXC1+and+PITX2+mutations.">Genotype-phenotype correlations in Axenfeld-Rieger malformation and glaucoma patients with FOXC1 and PITX2 mutations.</a> Invest Ophthalmol Vis Sci. 48, 228-237 (2007).</li><li>Tumer, Z., Bach-Holm, D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Axenfeld-Rieger+syndrome+and+spectrum+of+Pitx2+and+Foxc1+mutations.">Axenfeld-Rieger syndrome and spectrum of Pitx2 and Foxc1 mutations.</a> Eur J Hum Genet. 17, 1527-1539 (2009).</li><li>Schoner, K., 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=Hydrocephalus,+agenesis+of+the+corpus+callosum,+and+cleft+lip/palate+represent+frequent+associations+in+fetuses+with+Peters+plus+syndrome+and+B3GALTL+mutations.+Fetal+PPS+phenotypes,+expanded+by+Dandy+Walker+cyst+and+encephalocele.">Hydrocephalus, agenesis of the corpus callosum, and cleft lip/palate represent frequent associations in fetuses with Peters plus syndrome and B3GALTL mutations. Fetal PPS phenotypes, expanded by Dandy Walker cyst and encephalocele.</a> Prenat Diagn. 33 (1), 75-80 (2013).</li><li>Aliferis, K., 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=A+novel+nonsense+B3GALTL+mutation+confirms+Peters+plus+syndrome+in+a+patient+with+multiple+malformations+and+Peters+anomaly.">A novel nonsense B3GALTL mutation confirms Peters plus syndrome in a patient with multiple malformations and Peters anomaly.</a> Ophthalmic Genet. 31 (4), 205-208 (2010).</li><li>Lesnik Oberstein, ., S, 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=Peters+Plus+syndrome+is+caused+by+mutations+in+B3GALTL,+a+putative+glycosyltransferase.">Peters Plus syndrome is caused by mutations in B3GALTL, a putative glycosyltransferase.</a> Am J Hum Genet. 79 (3), 562-566 (2006).</li><li>Brittijn, S. 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=Zebrafish+development+and+regeneration:+new+tools+for+biomedical+research.">Zebrafish development and regeneration: new tools for biomedical research.</a> Int J Dev Biol. 53, 835-850 (2009).</li><li>Bohnsack, B. L., Kasprick, D., Kish, P. E., Goldman, D., Kahana, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+zebrafish+model+of+Axenfeld-Rieger+Syndrome+reveals+that+pitx2+regulation+by+retinoic+acid+is+essential+for+ocular+and+craniofacial+development.">A zebrafish model of Axenfeld-Rieger Syndrome reveals that pitx2 regulation by retinoic acid is essential for ocular and craniofacial development.</a> Invest Ophthalmol Vis Sci. 53 (1), 7-22 (2012).</li><li>Williams, A. L., Eason, J., Chawla, B., Bohnsack, B. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Cyp1b1+regulates+ocular+fissure+closure+through+a+retinoic+acid-independent+pathway.">Cyp1b1 regulates ocular fissure closure through a retinoic acid-independent pathway.</a> Invest Ophthalmol Vis Sci. 58 (2), 1084-1097 (2017).</li><li>Curran, K., Raible, D. W., Lister, J. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Foxd3+controls+melanophore+specification+in+the+zebrafish+neual+crest+by+regulation+of+Mitf.">Foxd3 controls melanophore specification in the zebrafish neual crest by regulation of Mitf.</a> Dev Biol. 332 (2), 408-417 (2009).</li><li>Dutton, K., Dutton, J. R., Pauliny, A., Kelsh, R. N. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+morpholino+phenocopy+of+the+colourless+mutant.">A morpholino phenocopy of the colourless mutant.</a> Genesis. 30 (3), 188-189 (2001).</li><li>Dutton, K. 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=Zebrafish+colourless+encodes+sox10+and+specifies+non-ectomesenchymal+neural+crest+fates.">Zebrafish colourless encodes sox10 and specifies non-ectomesenchymal neural crest fates.</a> Development. 128 (21), 4113-4125 (2001).</li><li>Kucenas, S., Takada, N., Park, H. C., Woodruff, E., Broadie, K., Appel, B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=CNS-derived+glia+ensheath+peripheral+nerves+and+mediate+motor+root+development.">CNS-derived glia ensheath peripheral nerves and mediate motor root development.</a> Nat Neurosci. 11, 143-151 (2008).</li><li>Denk, W., Strickler, J., Webb, W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Two-photon+laser+scanning+fluorescence+microscopy.">Two-photon laser scanning fluorescence microscopy.</a> Science. 248 (4951), 73-76 (1990).</li><li>Helmchen, F., Denk, W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Deep+tissue+two-photon+microscopy.">Deep tissue two-photon microscopy.</a> Nat Methods. 2 (12), 932-940 (2005).</li><li>Denk, W., Delaney, K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Anatomical+and+functional+imaging+of+neurons+using+2-photon+laser+scanning+microscopy.">Anatomical and functional imaging of neurons using 2-photon laser scanning microscopy.</a> J Neurosci Methods. 54 (2), 151-162 (1994).</li><li>Bohnsack, B. L., Gallina, D., Kahana, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Phenothiourea+sensitizes+zebrafish+cranial+neural+crest+and+extraocular+muscle+developmnt+to+changes+in+retinoic+acid+and+insulin-like+growth+factor+signaling.">Phenothiourea sensitizes zebrafish cranial neural crest and extraocular muscle developmnt to changes in retinoic acid and insulin-like growth factor signaling.</a> PLoS ONE. 6, e22991 (2011).</li><li>Gfrerer, L., Dougherty, M., Laio, E. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Visualization+of+craniofacial+development+in+the+sox10:kaede+transgenic+zebrafish+line+using+time-lapse+confocal+microscopy.">Visualization of craniofacial development in the sox10:kaede transgenic zebrafish line using time-lapse confocal microscopy.</a> J Vis Exp. (79), e50525 (2013).</li><li>Lopez, A. L. R., Garcai, M. D., Dickinson, M. E., Larina, I. V. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Live+confocal+microscopy+of+the+developing+mouse+embryonic+yolk+sac+vasculature.">Live confocal microscopy of the developing mouse embryonic yolk sac vasculature.</a> Methods Mol Biol. 1214, 163-172 (2015).</li><li>McGurk, P. D., Lovely, C. B., Eberhart, J. K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Analyzing+craniofacial+morphogenesis+in+zebrafish+using+4D+confocal+microscopy.">Analyzing craniofacial morphogenesis in zebrafish using 4D confocal microscopy.</a> J Vis Exp. (83), e51190 (2014).</li><li>Nowotschin, S., Ferrer-Vaquer, A., Hadjantonakis, A. K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Imaging+mouse+development+with+confocal+time-lapse+microscopy.">Imaging mouse development with confocal time-lapse microscopy.</a> Methods Enzymol. 476, 351-377 (2010).</li></ol>

Time-lapse di immagini multi-fotone consente il monitoraggio in vivo di popolazioni cellulari transitori e migratori. Questa potente tecnica può essere utilizzata per studiare i processi embrionali in tempo reale, e nello studio presente, i risultati di questo metodo ha migliorato la conoscenza attuale di sviluppo e migrazione delle cellule neurali della cresta. Precedenti studi di imaging time-lapse in genere utilizzano la microscopia a scansione laser confocale. 29 , <sup cl...

Malattie congenite dell'occhio possono causare la cecità di infanzia e spesso sono dovuti ad anomalie della cresta neurale cranica. Cellule della cresta neurale sono cellule staminali transitorie che derivano dal tubo neurale e formano numerosi tessuti in tutto il corpo. 1 , 2 , 3 , 4 , 5 cellule della cresta neurale, derivate dal prosencefalo e mesencefalo, danno luogo all'osso e la cartilagine del midface e regioni frontali e l'iride, cornea, trabecolato e sclera nel segmento anteriore dell'occhio. 4 , 6 , 7 , 8 cellule neurali della cresta da romboencefalo forma che il pharyngeal arches, mascella e tratto di efflusso cardiaco. 1 , 3 , 4 , 9 , 10 studi hanno evidenziato i contributi della cresta neurale all'oculare e perioculare sviluppo, sottolineando l'importanza di queste cellule in sviluppo dell'occhio dei vertebrati. Infatti, la rottura di differenziazione e migrazione delle cellule neurali della cresta condurre ad anomalie cranio-facciali ed oculari come osservato nella sindrome di Axenfeld-Rieger e sindrome di Peters Plus. 11 , 12 , 13 , 14 , 15 , 16 , 17 in tal senso, una comprensione globale della migrazione, proliferazione e differenziazione di queste cellule della cresta neurale fornirà approfondimenti le complessità sottostanti malattie congenite dell'occhio.
Zebrafish è un organismo potente modello per studiare lo sviluppo oculare, come le strutture dell'occhio zebrafish sono simili alle loro controparti dei mammiferi, e molti geni sono evolutivamente conservate tra zebrafish e mammiferi. 18 , 19 , 20 inoltre, embrioni di zebrafish sono trasparenti e ovipari, facilitando la visualizzazione di sviluppo dell'occhio in tempo reale.
Espansione sul lavoro precedentemente pubblicato,6,7,20 il modello migratore delle cellule della cresta neurale è stata descritta usando la fluorescenza multi-fotone time-lapse di imaging su linee di zebrafish transgenici etichettati con la proteina fluorescente verde (GFP) sotto il controllo trascrizionale di SRY (regione dideterminazione Y)-scatola 10 (sox10) o Forkhead Box D3 nelle regioni regolatrici del gene (foxd3). 21 , 22 , 23 , 24. fluorescenza multi-fotone time-lapse imaging è una tecnica potente che combina le avanzate tecniche ottiche di microscopia con lungo l'eccitazione di fluorescenza di multi-fotone lunghezza d'onda di catturare immagini ad alta risoluzione, tridimensionale di esemplari con fluorofori etichettati di scansione laser. 25 , 26 , 27 l'uso del laser multi-fotone presenta chiari vantaggi rispetto la microscopia confocale standard, tra cui aumentata del tessuto vaginale e candeggio fluoroforo in diminuzione.
Utilizzando questo metodo, due popolazioni distinte delle cellule della cresta neurale varia in tempi di migrazione e percorsi migratori erano cellule della cresta neurale discriminata, vale a dire foxd3-positivo nel mesenchima periocular e occhio in via di sviluppo e le cellule di cresta neurale sox10-positivi nel mesenchima craniofacial. Con questo metodo, viene introdotto un approccio per visualizzare la migrazione della migrazione oculare e craniofacial cresta neurale in zebrafish, che lo rende facile osservare regolamentato dalla cresta neurale migrazione in tempo reale durante lo sviluppo.
Questo protocollo fornisce informazioni per la generazione di video time-lapse durante lo sviluppo iniziale di occhio in Tg (sox10:EGFP) e zebrafish transgenici Tg (foxd3:GFP), ad esempio. Questo protocollo possa essere applicato per la visualizzazione ad alta risoluzione, tridimensionale, in tempo reale dello sviluppo iniziale di qualsiasi struttura oculare e craniofacial derivato dalle cellule della cresta neurale in zebrafish. Inoltre, questo metodo possa essere applicato per la visualizzazione dello sviluppo di altri tessuti ed organi in zebrafish e altri modelli animali.

<table border="0" cellpadding="0" cellspacing="0" width="919">
	<tbody>
		<tr height="42">
			<td height="42" style="height:42px;width:251px;">Breeding Tanks with Dividers</td>
			<td style="width:175px;">Aquaneering</td>
			<td style="width:104px;">ZHCT100</td>
			<td style="width:391px;">Crossing Tank Set (1.0-liter) Clear Polycarbonate with Lid and Insert</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:251px;">M205 FA Combi-Scope</td>
			<td style="width:175px;">Leica Microsystems CMS GmbH</td>
			<td style="width:104px;"></td>
			<td style="width:391px;">Stereofluorescence Microscope - FusionOptics and TripleBeam</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:251px;">Sodium Chloride</td>
			<td style="width:175px;">Millipore (EMD)</td>
			<td style="width:104px;">7760-5KG</td>
			<td style="width:391px;">Double PE sack. CAS No. 7647-14-5, EC Number 231-598-3</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:251px;">Potassium Chloride</td>
			<td style="width:175px;">Millipore (EMD)</td>
			<td style="width:104px;">1049380500</td>
			<td style="width:391px;">Potassium chloride 99.999 Suprapur. CAS No. 7447-40-7, EC Number 231-211-8.</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:251px;">Calcium Chloride Dihydrate</td>
			<td style="width:175px;">Fisher Scientific</td>
			<td style="width:104px;">C79-500</td>
			<td style="width:391px;">Poly bottle; 500 g. CAS No. 10035-04-8</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:251px;">Magnesium Sulfate (Anhydrous)</td>
			<td style="width:175px;">Millipore (EMD)</td>
			<td style="width:104px;">MX0075-1</td>
			<td style="width:391px;">Poly bottle; 500 g. CAS No. 7487-88-9, EC Number 231-298-2</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:251px;">Methylene Blue</td>
			<td style="width:175px;">Millipore (EMD)</td>
			<td style="width:104px;">284-12</td>
			<td style="width:391px;">Glass bottle; 25 g. Powder, Certified Biological Stain</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:251px;">Sodium Bicarbonate</td>
			<td style="width:175px;">Millipore (EMD)</td>
			<td style="width:104px;">SX0320-1</td>
			<td style="width:391px;">Poly bottle; 500 g. Powder, GR ACS. CAS No. 144-55-8, EC Number 205-633-8</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:251px;">N-Phenylthiourea</td>
			<td style="width:175px;">Sigma</td>
			<td style="width:104px;">P7629-25G</td>
			<td style="width:391px;">&#62;98%. CAS Number 103-85-5, EC Number 203-151-2</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:251px;">Dimethylsulfoxide</td>
			<td style="width:175px;">Sigma</td>
			<td style="width:104px;">D8418-500ML</td>
			<td style="width:391px;">Molecular Biology grade. CAS Number 67-68-5, EC Number 200-664-3</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:251px;">Tricaine Methanesulfonate</td>
			<td style="width:175px;">Western Chemical Inc.</td>
			<td style="width:104px;">MS222</td>
			<td style="width:391px;">Tricaine-S</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:251px;">Low-Melt Agarose</td>
			<td style="width:175px;">ISC Bioexpress</td>
			<td style="width:104px;">E-3112-25</td>
			<td style="width:391px;">GeneMate Sieve GQA Low Melt Agarose, 25 g</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:251px;">Open Bath Chamber</td>
			<td style="width:175px;">Warner Instruments</td>
			<td style="width:104px;">RC-40HP</td>
			<td style="width:391px;">High Profile</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:251px;">Glass Coverslips</td>
			<td style="width:175px;">Fisher Scientific</td>
			<td style="width:104px;">12-545-102</td>
			<td style="width:391px;">Circle cover glass. 25 mm diameter</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:251px;">High Vacuum Grease</td>
			<td style="width:175px;">Fisher Scientific</td>
			<td style="width:104px;">14-635-5C</td>
			<td style="width:391px;">2.0-lb. tube. DOW CORNING CORPORATION 
			1658832</td>
		</tr>
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multi-photon time lapse imaging to visualize development in real-time: visualization of migrating neural crest cells in zebrafish embryos

Occhio congenita e anomalie craniofacciali riflettono imprevisti nella cresta neurale, una popolazione transitoria di migratori cellule staminali che danno origine a numerosi tipi di cellule in tutto il corpo. Comprensione della biologia della cresta neurale è stata limitata, che riflette una mancanza di modelli geneticamente trattabili che possono essere studiati in vivo e in tempo reale. Zebrafish è un modello di sviluppo particolarmente importante per lo studio di popolazioni di cellule migratorie, come la cresta neurale. Per esaminare la migrazione dalla cresta neurale nell'occhio in via di sviluppo, una combinazione delle tecniche ottiche avanzate di scansione microscopia con eccitazione di fluorescenza di multi-fotone lunghezza d'onda del laser è stata implementata per catturare video ad alta definizione, tridimensionali, in tempo reale dell'occhio in via di sviluppo negli embrioni di zebrafish transgenici, vale a dire Tg (sox10:EGFP) e Tg (foxd3:GFP), come sox10 e foxd3 è stati dimostrati in numerosi modelli animali di regolare differenziazione iniziale dalla cresta neurale e probabilmente rappresentano gli indicatori per le cellule della cresta neurale. Time-lapse di immagini multi-fotone è stato utilizzato per discernere il comportamento e schemi migratori delle due popolazioni di cellule neurali della cresta che contribuiscono al precoce sviluppo dell'occhio. Questo protocollo fornisce informazioni per la generazione di video time-lapse durante la migrazione dalla cresta neurale di zebrafish, come esempio e possa essere applicato per visualizzare lo sviluppo precoce di molte strutture in zebrafish e altri organismi di modello.

Time-lapse imaging multi-fotone di fluorescenza generata una serie di video che ha rivelato i modelli di migrazione delle cellule neurali craniche della cresta che danno origine alle strutture craniofacial e segmento anteriore dell'occhio nel Tg (sox10:EGFP) e Tg (foxd3:GFP) linee di zebrafish. Ad esempio, sox10 -positivo dalla cresta neurale cellule tra 12 e 30 hpf migrano dal bordo del tubo neurale nella regione craniofacial (Video 1, <strong...

Watch this Scientific Journal Video about Multi-Photon Time Lapse Imaging to Visualize Development in Real-time: Visualization of Migrating Neural Crest Cells in Zebrafish Embryos at JoVE.com

Multi-Photon Time Lapse Imaging to Visualize Development in Real-time: Visualization of Migrating Neural Crest Cells in Zebrafish Embryos

Multi-fotone Time Lapse Imaging per visualizzare lo sviluppo in tempo reale: visualizzazione della migrazione di cellule neurali della cresta negli embrioni di Zebrafish

Una combinazione delle tecniche ottiche avanzate di scansione microscopia con lungo l'eccitazione di fluorescenza multi-fotone lunghezza d'onda del laser è stata implementata per catturare immagini ad alta risoluzione, tridimensionale, in tempo reale della migrazione dalla cresta neurale in embrioni di zebrafish di Tg (foxd3:GFP) e Tg (sox10:EGFP).

Congenital eye and craniofacial anomalies reflect disruptions in the neural crest, a transient population of migratory stem cells that give rise to ...

Research

JoVE Journal

Developmental Biology

Analyzing In Vivo Cell Migration using Cell Transplantations and Time-lapse Imaging in Zebrafish Embryos

Analyzing In Vivo Cell Migration using Cell Transplantations and Time-lapse Imaging in Zebrafish Embryos

analizzare<em&gt; In Vivo</em&gt; Migrazione cellulare utilizzando Trapianti cellulari e Time-lapse imaging in embrioni di zebrafish

Cell migration is key to many physiological and pathological conditions, including cancer metastasis. The cellular and molecular bases of cell migration ...

Ricerca

Biologia dello sviluppo

Analysis of Zebrafish Kidney Development with Time-lapse Imaging Using a Dissecting Microscope Equipped for Optical Sectioning

Analisi dello sviluppo del rene Zebrafish con time-lapse imaging Utilizzando una dissezione microscopio dotato di sezionamento ottico

In order to understand organogenesis, the spatial and temporal alterations that occur during development of tissues need to be recorded. The method ...

Kinetic Measurement and Real Time Visualization of Somatic Reprogramming

Cinetica Misurazione e Tempo reale visualizzazione della riprogrammazione somatica

Somatic reprogramming has enabled the conversion of adult cells to induced pluripotent stem cells (iPSC) from diverse genetic backgrounds and disease ...

Induction of Hypoxia in Living Frog and Zebrafish Embryos

Induzione di ipossia in rana vivente e embryos zebrafish

Here, we introduce a novel system for hypoxia induction, which we developed to study the effects of hypoxia in aquatic organisms such as frog and ...

Development of an In Vitro Assay to Quantitate Hematopoietic Stem and Progenitor Cells (HSPCs) in Developing Zebrafish Embryos

Development of an In Vitro Assay to Quantitate Hematopoietic Stem and Progenitor Cells HSPCs in Developing Zebrafish Embryos

Sviluppo di un test In Vitro per quantificare progenitrici e staminali ematopoietiche cellule (HSPCs) nello sviluppo di embrioni di Zebrafish

Hematopoiesis is an essential cellular process in which hematopoietic stem and progenitor cells (HSPCs) differentiate into the multitude of different cell ...

Real-time Live-cell Flow Cytometry to Investigate Calcium Influx, Pore Formation, and Phagocytosis by P2X7 Receptors in Adult Neural Progenitor Cells

In tempo reale Live-cella flusso Cytometry per indagare l'afflusso del calcio, la formazione del poro e fagocitosi dai recettori P2X7 in cellule progenitrici neurali adulto

Live-cell flow cytometry is increasingly used among cell biologists to quantify biological processes in a living cell culture. This protocol describes a ...

A Layered Mounting Method for Extended Time-Lapse Confocal Microscopy of Whole Zebrafish Embryos

Un metodo di montaggio a strati per la microscopia confocale Time-Lapse estesa di embrioni di pesci zebra interi

Dynamics of development can be followed by confocal time-lapse microscopy of live transgenic zebrafish embryos expressing fluorescence in specific tissues ...

Real-time Bioluminescence Imaging of Notch Signaling Dynamics during Murine Neurogenesis

Risonanza in tempo reale sulla bioluminescenza delle dinamiche di segnalazione di nota durante la neurogenesi di Murine

Notch signaling regulates the maintenance of neural stem/progenitor cells by cell-cell interactions. The components of Notch signaling exhibit dynamic ...

Isolation, Culture, and Adipogenic Induction of Neural Crest Original Adipose-Derived Stem Cells from Periaortic Adipose Tissue

Isolamento, cultura e induzione adipogenica di cellule staminali adipose originali adipose-derivate da cellule staminali periaortiche

An excessive amount of adipose tissue surrounding the blood vessels (perivascular adipose tissue, also known as PVAT) is associated with a high risk of ...