Name: visualizing the interrenal steroidogenic tissue and its vascular microenvironment in zebrafish
Uploaded: 2016-12-21T13:00:00
Description: Watch this Scientific Journal Video about Visualizing the Interrenal Steroidogenic Tissue and Its Vascular Microenvironment in Zebrafish at JoVE.com

S843: LI1 ve Tg (EGFP kdrl): Biz Tg (GFP wt1b) hediye Prof. Christoph Englert ve Prof. Didier Stainier teşekkür suşu, sırasıyla, Tg (kdrl: mCherry) sağlanması Tayvan balığı Çekirdek Tesis ci5. Bu çalışma 102-, Bilim ve Teknoloji (96-2628-B-029-002-My3, 101-2313-B-029-001, 102-2628-B-029-002-My3 Tayvan Bakanlığı hibe ile desteklenmiştir 2321-B-400-018).

Etik Beyanı: zebrabalıkları tüm deneysel prosedürleri Tunghai Üniversitesi Kurumsal Hayvan Bakım ve Kullanım Kurulu tarafından kabul edildi (KİK Onay NO 101-12.) Ve onaylı kurallarına uygun olarak gerçekleştirdi. 3β-Hsd enzimatik Aktivite Boyama için 1. Stok Çözümleri <ol><li> trans-dehidroepiandrosteron [dimetil sülfoksit (DMSO) içinde 10 mg / ml] hazırlayın. </li><li> β-nikotinamid adenin dinükleotid hidrat (0.1 M fosfat tampon maddesi içinde 1.2 mg / ml, pH 7.2...

<ol>
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W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Interrenal+organogenesis+in+the+zebrafish+model.">Interrenal organogenesis in the zebrafish model.</a> Organogenesis. 3, 44-48 (2007).</li><li>Cravioto, 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=A+new+inherited+variant+of+the+3+beta-hydroxysteroid+dehydrogenase-isomerase+deficiency+syndrome:+evidence+for+the+existence+of+two+isoenzymes.">A new inherited variant of the 3 beta-hydroxysteroid dehydrogenase-isomerase deficiency syndrome: evidence for the existence of two isoenzymes.</a> J Clin Endocrinol Metab. 63, 360-367 (1986).</li><li>Lachance, 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=Characterization+of+human+3+beta-hydroxysteroid+dehydrogenase/delta+5-delta+4-isomerase+gene+and+its+expression+in+mammalian+cells.">Characterization of human 3 beta-hydroxysteroid dehydrogenase/delta 5-delta 4-isomerase gene and its expression in mammalian cells.</a> J Biol Chem. 267, 3551 (1992).</li><li>Simard, 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=Molecular+biology+of+the+3beta-hydroxysteroid+dehydrogenase/delta5-delta4+isomerase+gene+family.">Molecular biology of the 3beta-hydroxysteroid dehydrogenase/delta5-delta4 isomerase gene family.</a> Endocr Rev. 26, 525-582 (2005).</li><li>Lin, J. C., 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=Two+zebrafish+hsd3b+genes+are+distinct+in+function,+expression,+and+evolution.">Two zebrafish hsd3b genes are distinct in function, expression, and evolution.</a> Endocrinology. 156, 2854-2862 (2015).</li><li>Grassi Milano, E., Basari, F., Chimenti, C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Adrenocortical+and+adrenomedullary+homologs+in+eight+species+of+adult+and+developing+teleosts:+morphology,+histology,+and+immunohistochemistry.">Adrenocortical and adrenomedullary homologs in eight species of adult and developing teleosts: morphology, histology, and immunohistochemistry.</a> Gen Comp Endocrinol. 108, 483-496 (1997).</li><li>Chai, C., Liu, Y. W., Chan, W. K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Ff1b+is+required+for+the+development+of+steroidogenic+component+of+the+zebrafish+interrenal+organ.">Ff1b is required for the development of steroidogenic component of the zebrafish interrenal organ.</a> Dev Biol. 260, 226-244 (2003).</li><li>Liu, Y. W., Gao, W., Teh, H. L., Tan, J. H., Chan, W. K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Prox1+is+a+novel+coregulator+of+Ff1b+and+is+involved+in+the+embryonic+development+of+the+zebra+fish+interrenal+primordium.">Prox1 is a novel coregulator of Ff1b and is involved in the embryonic development of the zebra fish interrenal primordium.</a> Mol Cell Biol. 23, 7243-7255 (2003).</li><li>Chai, C., Liu, Y. W., Chan, W. K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Ff1b+is+required+for+the+development+of+steroidogenic+component+of+the+zebrafish+interrenal+organ.">Ff1b is required for the development of steroidogenic component of the zebrafish interrenal organ.</a> Dev. Biol. 260, 226-244 (2003).</li><li>Chou, C. W., Zhuo, Y. L., Jiang, Z. Y., Liu, Y. W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+hemodynamically-regulated+vascular+microenvironment+promotes+migration+of+the+steroidogenic+tissue+during+its+interaction+with+chromaffin+cells+in+the+zebrafish+embryo.">The hemodynamically-regulated vascular microenvironment promotes migration of the steroidogenic tissue during its interaction with chromaffin cells in the zebrafish embryo.</a> PLoS One. 9, e107997 (2014).</li><li>Liu, Y. W., Guo, L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Endothelium+is+required+for+the+promotion+of+interrenal+morphogenetic+movement+during+early+zebrafish+development.">Endothelium is required for the promotion of interrenal morphogenetic movement during early zebrafish development.</a> Dev Biol. 297, 44-58 (2006).</li><li>Jin, S. W., Beis, D., Mitchell, T., Chen, J. N., Stainier, D. Y. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Cellular+and+molecular+analyses+of+vascular+tube+and+lumen+formation+in+zebrafish.">Cellular and molecular analyses of vascular tube and lumen formation in zebrafish.</a> Development. 132, 5199-5209 (2005).</li><li>Proulx, K., Lu, A., Sumanas, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Cranial+vasculature+in+zebrafish+forms+by+angioblast+cluster-derived+angiogenesis.">Cranial vasculature in zebrafish forms by angioblast cluster-derived angiogenesis.</a> Dev Biol. 348, 34-46 (2010).</li><li>Perner, B., Englert, C., Bollig, F. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+Wilms+tumor+genes+wt1a+and+wt1b+control+different+steps+during+formation+of+the+zebrafish+pronephros.">The Wilms tumor genes wt1a and wt1b control different steps during formation of the zebrafish pronephros.</a> Dev Biol. 309, 87-96 (2007).</li><li>Chou, C. W., Chiu, C. H., Liu, Y. W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Fibronectin+mediates+correct+positioning+of+the+interrenal+organ+in+zebrafish.">Fibronectin mediates correct positioning of the interrenal organ in zebrafish.</a> Dev Dyn. 242, 432-443 (2013).</li><li>Chiu, C. H., Chou, C. W., Takada, S., Liu, Y. W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Development+and+fibronectin+signaling+requirements+of+the+zebrafish+interrenal+vessel.">Development and fibronectin signaling requirements of the zebrafish interrenal vessel.</a> PLoS One. 7, e43040 (2012).</li></ol>

3β-HSD aktivitesinin sinyal gücü reaksiyon boyunca arttı. 3β-HSD aktivitesinin net sinyaller itibaren 28 HPF gelen aşamaları için reaksiyon 4 saat sonra tespit edildi. Bununla birlikte, reaksiyon süresi deneyi amacına bağlı olarak, ampirik belirlenmesini gerektirir. boyama gece boyunca işlem gerektirir durumlarda, hafif mavimsi arka örneklerinin geliştirme eğilimindedir. Bu sorun, 3β-HSD &#39;aktivitesi boyama önce sabitleme süresi (örneğin, oda sıcaklığında 4% PFAT 4 saat) arttırarak ...

böbreküstü bezi, hipotalamus-hipofiz-adrenal ekseninin önemli bir bileşeni, steroid salgılar ve steroid homeostazı ve strese bedensel yanıtını koordine eder. böbrek üstü bezi katekolamin sentezleyen bir bölge-spesifik bir şekilde steroid salgılayan dış korteks ve iç medulla içerir. Teleostlarda interrenal bezi, memelilerde adrenal bez karşılığıdır ve adrenal korteks ve medullada sırasıyla 1-3 fonksiyonel eşlenikleridir steroidojenik interrenal ve kromafin hücreleri, oluşmaktadır. Zebra balığı model kullanarak yapılan çalışmalar, hem steroidogenik ve kromaffin hücre soylar yüksek memelilerde 1,2 benzeyen moleküler ve hücresel mekanizmaları tarafından oluşturulan bildirmiştir. Bu nedenle, Zebra balığı, genetik bozukluklar, nöroendokrin kontrolü ve hipotalamus-hipofiz-adrenal (interrenal) ekseninin sistem biyolojisi çalışmak için bir potansiyel olarak güçlü bir modeldir. 4,5 ila 17α-hydroxypregnelolone gelen pregnenolon, 17a-hidroksiprogesteron progesteron dönüşümünü ve androstenedion katalize eder. 3β-HSD &#39;hormonal steroid, yani progesteron, glukokortikoid, mineralokortikoid, androjen ve östrojenlerin her sınıfları üreten mutantı için gereklidir. İki insan 3β-Hsd HSD3B1 izozimine ve HSD3B2 farklı şekilde 6 ifade edilir. HSD3B2 adrenal korteks ve gonadlar ifade edilir ise HSD3B1, plasenta ve periferik dokularda ifade edilmektedir. İnsan HSD3B1 ve HSD3B2 interrenal doku ve yetişkin gonadlar ifade edilen Zebra balığı hsd3b1, eş ortologlar vardır; Zebra balığı hsd3b2 olan transkript organogenez 7 önce kaybolur bir anne olarak ifade gendir. zebrabalıkları için tüm montaj 3β-HSD &#39;enzimatik aktivite deneyi protokol, Levy yöntemini değiştirerek geliştirilenMilano ve diğerleri tarafından tarif s. Sekiz Teleost türlerinin 8 donmuş bölümlerinde. Çünkü doku geçirgenliği ve gelişmekte olan zebrafish optik şeffaflık, 3β-Hsd histokimya başarıyla sabit Zebra balığı embriyo ve larva için kullanılabilir tüm montaj ve özellikle farklılaşmış interrenal dokuları tasvir. Bu, hassas ve hızlı bir deney interrenal dismorfogenezis farklı gösteren Çeşitli mutantlar ve morphants uygulanmıştır. Interrenal 3β-HSD &#39;aktivitesi interrenal doku dağılımı Ff1b transkripsiyon faktörünün belirli bir devirme yoluyla bozulur ve interrenal farklılaşma Ff1b coregulator Prox1 9,10 bir devirme etkilenir azaltılır embriyoda yoktur. Özellikle, 3β-Hsd faaliyeti gibi tek gözlü toplu iğne başı, şiddetli erken evre defekti olan mutantlar tespit edilebilir ve nerede 3β-H, şaşılıksd histokimyası interrenal hücre göçü 11 nasıl etkilendiğini anlatır. interrenal doku farklılaşması bile kan ve damarsal tam yokluğunda ödün verilmemiş. Bu nedenle endotelyum türevli sinyalleri şekil kadar geliştirilmesi interrenal organı 12,13 belirlenebilir. Genel olarak, bu histokimyasal deney başarıyla zebrabalıkları modelinde özellikleri, farklılaşmasını ve steroidojenik hücrelerinin göçünü incelemek için kullanılmıştır. Bu nedenle, verimli ve adrenal ve interrenal organ bozuklukları hedefleyen herhangi bir genetik veya kimyasal ekranlar için güvenilir bir aracı olmalıdır.

<table border="0" cellpadding="0" cellspacing="0" width="565">
	<tbody>
		<tr height="21">
			<td height="21" style="height:21px;width:307px;">Confocal microscope</td>
			<td style="width:187px;">Carl Zeiss&#160;</td>
			<td style="width:72px;">LSM510&#160;</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">DMSO</td>
			<td>Sigma</td>
			<td>D8418&#160;</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Glycerol</td>
			<td>USB</td>
			<td>US16374</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Hyclone Fetal Calf Serum&#160;</td>
			<td>GE Healthcare Life Sciences</td>
			<td>SH30073</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Nicotinamide</td>
			<td>Sigma</td>
			<td>N0636</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">&#946;-Nicotinamide adenine dinucleotide hydrate</td>
			<td>Sigma</td>
			<td>N1636</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">4-Nitro blue tetrazolium</td>
			<td>Promega</td>
			<td>S380C</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Nusieve GTG</td>
			<td>Lonza</td>
			<td>50081</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Paraformaldehyde</td>
			<td>Sigma</td>
			<td>P6148</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Phenylthiourea</td>
			<td>Sigma&#160;</td>
			<td>P7629</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Phosphate buffered saline</td>
			<td>Sigma</td>
			<td>P4417-100Tab</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">PYREX Spot Plate</td>
			<td>Corning</td>
			<td>7220-85</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Reef Salt</td>
			<td>AZOO</td>
			<td>AZ28001</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">trans-Dehydroandrosterone</td>
			<td>Sigma</td>
			<td>D4000</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Triton X-100</td>
			<td>Sigma</td>
			<td>T8787</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Tween 20</td>
			<td>Sigma</td>
			<td>P9416</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Vibratome</td>
			<td>Leica</td>
			<td>VT1000M</td>
		</tr>
	</tbody>
</table>

visualizing the interrenal steroidogenic tissue and its vascular microenvironment in zebrafish

This protocol introduces how to detect differentiated interrenal steroidogenic cells through a simple whole-mount enzymatic activity assay. Identifying differentiated steroidogenic tissues through chromogenic histochemical staining of 3-&#946;-Hydroxysteroid dehydrogenase /&#916;5-4 isomerase (3&#946;-Hsd) activity-positive cells is critical for monitoring the morphology and differentiation of adrenocortical and interrenal tissues in mammals and teleosts, respectively. In the zebrafish model, the optical transparency and tissue permeability of the developing embryos and larvae allow for whole-mount staining of 3&#946;-Hsd activity. This staining protocol, as performed on transgenic fluorescent reporter lines marking the developing pronephric and endothelial cells, enables the detection of the steroidogenic interrenal tissue in addition to the kidney and neighboring vasculature. In combination with vibratome sectioning, immunohistochemistry, and confocal microscopy, we can visualize and assay the vascular microenvironment of interrenal steroidogenic tissues. The 3&#946;-Hsd activity assay is essential for studying the cell biology of the zebrafish interrenal gland because to date, no suitable antibody is available for labeling zebrafish steroidogenic cells. Furthermore, this assay is rapid and simple, thus providing a powerful tool for mutant screens targeting adrenal (interrenal) genetic disorders as well as for determining disruption effects of chemicals on steroidogenesis in pharmaceutical or toxicological studies.

Pronephric böbrek glomerül ve doğmakta olan damarsal ile steroidogenik interrenal doku codevelops, 3β-Hsd enzimatik aktivite deneyi çift transgenik Tg (wt1b: GFP) üzerinde gerçekleştirildi nasıl belirlemek için LI1; Tg (kdrl: mCherry) ci5 embriyo 34 hpf (Şekil 1). Bu aşamada, 3β-Hsd aktivitesi pozitif steroidogenik doku sağ orta hatta yer alan ve bazı steroidogenik hücreler orta hatta genelinde göç başlar ve dors...

Watch this Scientific Journal Video about Visualizing the Interrenal Steroidogenic Tissue and Its Vascular Microenvironment in Zebrafish at JoVE.com

Visualizing the Interrenal Steroidogenic Tissue and Its Vascular Microenvironment in Zebrafish

Zebra balığı interrenal bezi memeli adrenal bezin teleostean karşılığıdır. Enzimatik aktivite deneyi, gelişmekte olan Zebra balığı farklılaşmış steroidogenik hücreleri tespit; Bu protokol 3-β hidroksisteroid dehidrojenaz (3β-Hsd Δ 5-4 izomeraz) nasıl gerçekleştirileceği tanıtır.

Interrenal steroidogenik Doku ve Zebra balığı Onun Vasküler Mikroçevre görselleştirme

This protocol introduces how to detect differentiated interrenal steroidogenic cells through a simple whole-mount enzymatic activity assay. Identifying ...

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