Name: a hormone-responsive 3d culture model of the human mammary gland epithelium
Uploaded: 2016-02-07T14:00:00
Description: Watch this Scientific Journal Video about A Hormone-responsive 3D Culture Model of the Human Mammary Gland Epithelium at JoVE.com

Vi uppskattar det redaktionella arbete av Cheryl Schaeberle. Denna forskning stöds av Avon Grants # 02-2009-093 och 02-2011-095, och NIEHS / NIH ES 08.314 till AMS. Innehållet är ensamt ansvarig för författare och inte nödvändigtvis representerar officiella ståndpunkter National Institute of Environmental Health Sciences eller National Institutes of Health.

1. Beredning av reagenser <ol><li> Upplösa den syntetiska progestagen promegeston (R5020) och 17-β-östradiol (E2) i etanol för att göra 10 -3 M förrådslösningar. Upplösa prolaktin i destillerat avjoniserat vatten till en 1 mg / ml stamlösning. Upplösa antiöstrogenet ICI 182780 i DMSO för att göra en 10 -2 M förrådslösning. Lagra dessa lösningar vid -20 ° C i upp till 6 månader. </li><li> Träkol dextran (CD) avskalade serum och CDFBS medium: <ol><li> Värmeinaktivering av feta...

<ol>
	<li>Barnes, 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=From+single+cells+to+tissues:+interactions+between+the+matrix+and+human+breast+cells+in+real+time.">From single cells to tissues: interactions between the matrix and human breast cells in real time.</a> PLoS ONE. 9, e93325 (2014).</li><li>Berthois, Y., Katzenellenbogen, J. A., Katzenellenbogen, B. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Phenol+red+in+tissue+culture+is+a+weak+estrogen:+implications+concerning+the+study+of+estrogen+responsive+cells+in+culture.">Phenol red in tissue culture is a weak estrogen: implications concerning the study of estrogen responsive cells in culture.</a> Proc.Nat.Acad.Sci.USA. 83, 2496-2500 (1986).</li><li>Chalbos, D., Vignon, F., Keydar, I., Rochefort, H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Estrogens+stimulate+cell+proliferation+and+induce+secretory+proteins+in+a+human+breast+cancer+cell+line+(T47D).">Estrogens stimulate cell proliferation and induce secretory proteins in a human breast cancer cell line (T47D).</a> J.Clin.Endocrinol.Metab. 55, 276-283 (1982).</li><li>Dhimolea, E., Maffini, M. V., Soto, A. M., Sonnenschein, C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+role+of+collagen+reorganization+on+mammary+epithelial+morphogenesis+in+a+3D+culture+model.">The role of collagen reorganization on mammary epithelial morphogenesis in a 3D culture model.</a> Biomaterials. 31, 3622-3630 (2010).</li><li>Dhimolea, E., Soto, A. M., Sonnenschein, C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Breast+epithelial+tissue+morphology+is+affected+in+3D+cultures+by+species-specific+collagen-based+extracellular+matrix.">Breast epithelial tissue morphology is affected in 3D cultures by species-specific collagen-based extracellular matrix.</a> J.Biomed.Mat.Res.A. 100, 2905-2912 (2012).</li><li>Krause, 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=Dual+regulation+of+breast+tubulogenesis+using+extracellular+matrix+composition+and+stromal+cells.">Dual regulation of breast tubulogenesis using extracellular matrix composition and stromal cells.</a> Tissue Eng Part A. 18, 520-532 (2012).</li><li>Krause, S., Maffini, M. V., Soto, A. M., Sonnenschein, C. <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+3D+in+vitro.+culture+model+to+study+stromal-epithelial+interactions+in+the+mammary+gland.">A novel 3D in vitro. culture model to study stromal-epithelial interactions in the mammary gland.</a> Tissue Eng.Part C Methods. 14, 261-271 (2008).</li><li>Krause, S., Maffini, M. V., Soto, A. M., Sonnenschein, C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+microenvironment+determines+the+breast+cancer+cells'+phenotype:+organization+of+MCF7+cells+in+3D+cultures.">The microenvironment determines the breast cancer cells' phenotype: organization of MCF7 cells in 3D cultures.</a> BMC Cancer. 10, 263-275 (2010).</li><li>Lee, G. Y., Kenny, P. A., Lee, E. H., Bissell, 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=Three-dimensional+culture+models+of+normal+and+malignant+breast+epithelial+cells.">Three-dimensional culture models of normal and malignant breast epithelial cells.</a> Nat.Methods. 4, 359-365 (2007).</li><li>Martinson, H. A., Jindal, S., Durand-Rougely, C., Borges, V. F., Schedin, P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Wound+healing-like+immune+program+facilitates+postpartum+mammary+gland+involution+and+tumor+progression.">Wound healing-like immune program facilitates postpartum mammary gland involution and tumor progression.</a> Int.J.Cancer. , (2014).</li><li>Soto, A. M., Murai, J. T., Siiteri, P. K., Sonnenschein, C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Control+of+cell+proliferation:+evidence+for+negative+control+on+estrogen-sensitive+T47D+human+breast+cancer+cells.">Control of cell proliferation: evidence for negative control on estrogen-sensitive T47D human breast cancer cells.</a> Cancer Res. 46, 2271-2275 (1986).</li><li>Speroni, L., 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=Hormonal+regulation+of+epithelial+organization+in+a+3D+breast+tissue+culture+model.">Hormonal regulation of epithelial organization in a 3D breast tissue culture model.</a> Tissue Eng.Part C Methods. 20, 42-51 (2014).</li><li>Vignon, F., Bardon, S., Chalbos, D., Rochefort, H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Antiestrogenic+effect+of+R5020,+a+synthetic+progestin+in+human+breast+cancer+cells+in+culture.">Antiestrogenic effect of R5020, a synthetic progestin in human breast cancer cells in culture.</a> J.Clin.Endocrinol.Metab. 56, 1124-1130 (1983).</li></ol>

Here, we describe a hormone-sensitive 3D culture model to test the action of hormones on breast epithelium. The response to hormones can be assessed at the tissue morphology, cell proliferation and gene expression levels 12. One limitation of this technique is that visualization during the culture period is restricted to light microscopy since the cultures are grown in a plastic bottom plate. The 3D culture system could be adapted to glass bottom plates to allow for live imaging of the cultures 1.</...

Till skillnad från vanliga 2D kulturer, 3D cellodlings surrogat modeller möjliggör studier av epitelceller beteende i en fysiologiskt relevant sammanhang, en som liknar en vävnad. 3D kulturer av bröstkörteln har hjälpt belysa många aspekter av bröstkörtlarna utveckling och neoplasi. Men de flesta av de 3D-odlingsmodeller för närvarande är tillgängliga är olämpliga för att studera hormonverkan eftersom de humana epiteliala cellinjer som används för uppgiften saknar hormonreceptoruttryck 6,7,9. Häri beskriver vi en 3D-kultur modell av det mänskliga bröst epitel som är lämplig för att studera hormonverkan 12. Denna modell använder den kommersiellt tillgängliga hormon responsiv human bröst epitelcellinje, T47D 3,11,13, som ursprungligen var härledda från en pleurautgjutning erhållen från en 54 år gammal kvinnlig patient med en infiltrerande duktalt karcinom i bröstet. Vi använder råttsvanskollagen typ 1 som en matris. Denna 3D kulture modell är lämplig för att studera inverkan av de tre huvud mammotropic hormoner (östradiol, promegeston (en analog av progesteron), och prolaktin) på humana bröst epitelceller. Hormon-inducerad epitel morfologi kan utvärderas kvantitativt med tiden genom morfometrisk analys 12. En lämplig sådd densitet gör att dessa 3D kulturer hållas under 2 veckor. Vid denna tid är tillräckligt för en robust kvantitativ bedömning av hormonverkan på epitel morfologi utvecklingen av strukturer. Geler kan också skördas vid tidigare tidpunkter för celltillväxt och genuttryck analyser. Dessutom är denna modell är lämplig för att testa effekterna av en sekventiell hormonell behandling; till exempel, efter behandling med estradiol under den första veckan och utbyte med andra hormon / kombination av hormoner under den följande veckan. Effekten av östrogenföreningar och antiöstrogener, såsom ICI 182780, kan också Studog använder denna 3D-kultur-modellen 12.

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			<td height="21" style="height:21px;width:436px;">12-well Tissue Culture Plates (Falcon)</td>
			<td style="width:249px;">Fisher Scientific</td>
			<td style="width:171px;">08-772-29</td>
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			<td height="21" style="height:21px;width:436px;">15 ml polystyrene conical Tubes</td>
			<td style="width:249px;">Fisher Scientific</td>
			<td style="width:171px;">14-959-49D</td>
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			<td height="21" style="height:21px;width:436px;">Activated Charcoal</td>
			<td style="width:249px;">Sigma</td>
			<td style="width:171px;">C-5510</td>
			<td style="width:488px;"></td>
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			<td height="21" style="height:21px;width:436px;">Carmine Alum</td>
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			<td style="width:171px;">C1022-100G</td>
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			<td height="21" style="height:21px;width:436px;">Collagenase, Type 3</td>
			<td style="width:249px;">Worthington</td>
			<td style="width:171px;">S0C11784</td>
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			<td height="21" style="height:21px;width:436px;">Confocal Microscope</td>
			<td style="width:249px;">Zeiss</td>
			<td style="width:171px;">LSM510</td>
			<td style="width:488px;">Equiped with HeNe 633nm laser</td>
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			<td height="21" style="height:21px;width:436px;">Dextran T-70</td>
			<td style="width:249px;">Abersham/Pharmacia</td>
			<td style="width:171px;">17-0280-01</td>
			<td style="width:488px;"></td>
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			<td height="21" style="height:21px;width:436px;">DMEM/F-12, HEPES, no phenol red&#160;</td>
			<td style="width:249px;">Life Technologies</td>
			<td style="width:171px;">11339-021</td>
			<td style="width:488px;">Phenol red-free media for hormone use</td>
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			<td height="21" style="height:22px;width:436px;">DMEM, low glucose, pyruvate, no glutamine, no phenol red</td>
			<td style="width:249px;">Life Technologies</td>
			<td style="width:171px;">11054-020</td>
			<td style="width:488px;">Phenol red-free media for hormone use</td>
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			<td height="21" style="height:21px;width:436px;">17-&#946;-Estradiol</td>
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			<td style="width:171px;">3301</td>
			<td style="width:488px;">Dissolved in Ethanol</td>
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			<td height="21" style="height:21px;width:436px;">Ethanol</td>
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			<td height="21" style="height:21px;width:436px;">Fetal Bovine Serum</td>
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			<td style="width:171px;">SH30070.03</td>
			<td style="width:488px;">For use with hormones, must be Charcoal Dextran stripped&#160;</td>
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			<td height="20" style="height:21px;width:436px;">Filters (115ml)</td>
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			<td style="width:488px;">0.88, 0.45, 0.20 micron, respectively&#160;</td>
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			<td height="21" style="height:21px;width:436px;">Formalin, 10%</td>
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			<td height="21" style="height:21px;width:436px;">L-Glutamine (200 mM)</td>
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			<td style="width:171px;">25030-081</td>
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			<td style="width:249px;">Sigma Aldrich</td>
			<td style="width:171px;">I4409-25MG</td>
			<td style="width:488px;">Dissolved in DMSO</td>
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			<td height="21" style="height:21px;width:436px;">Microtome&#160;</td>
			<td style="width:249px;">Leica</td>
			<td style="width:171px;">RM2155</td>
			<td style="width:488px;"></td>
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		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Tissue embedding media</td>
			<td style="width:249px;">McCormick Scientific</td>
			<td style="width:171px;">39502004</td>
			<td style="width:488px;"></td>
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			<td height="21" style="height:21px;width:436px;">Penicillin</td>
			<td style="width:249px;">Sigma</td>
			<td style="width:171px;">7794-10MU</td>
			<td style="width:488px;">Dissolved in 10 ml of distilled deionized water</td>
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			<td height="21" style="height:21px;width:436px;">Permount</td>
			<td style="width:249px;">Fisher Scientific</td>
			<td style="width:171px;">SP15-500</td>
			<td style="width:488px;"></td>
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			<td height="21" style="height:21px;width:436px;">Phosphate Buffered Saline pH 7.4</td>
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			<td style="width:171px;">P3813-10PAK</td>
			<td style="width:488px;"></td>
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		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Prolactin</td>
			<td style="width:249px;">Sigma Aldrich</td>
			<td style="width:171px;">L4021-50UG</td>
			<td style="width:488px;">Dissolved in distilled deionized water</td>
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		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Promegestone</td>
			<td style="width:249px;">Perkin Elmer</td>
			<td style="width:171px;">NLP004005MG</td>
			<td style="width:488px;">Dissolved in Ethanol</td>
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		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Rat-Tail Collagen&#160;</td>
			<td style="width:249px;">Corning&#160;</td>
			<td style="width:171px;">354236</td>
			<td style="width:488px;">Lots may contain varying concentrations, note accordingly</td>
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		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Scalpel</td>
			<td style="width:249px;">Miltex</td>
			<td style="width:171px;">4311</td>
			<td style="width:488px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Semi-enclosed Benchtop Tissue Processor</td>
			<td style="width:249px;">Leica</td>
			<td style="width:171px;">TP1020</td>
			<td style="width:488px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Sodium Hydroxide</td>
			<td style="width:249px;">Sigma Aldrich</td>
			<td style="width:171px;">S5881</td>
			<td style="width:488px;">Prepare 1N NaOH stock</td>
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		<tr height="21">
			<td height="21" style="height:21px;width:436px;">StaticMaster Anti-static brush&#160;</td>
			<td style="width:249px;">Amstat</td>
			<td style="width:171px;">C3500</td>
			<td style="width:488px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Stripette Serological Pipettes&#160;</td>
			<td style="width:249px;">Corning&#160;</td>
			<td style="width:171px;">4101</td>
			<td style="width:488px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:436px;">T-25 flasks</td>
			<td style="width:249px;">Corning&#160;</td>
			<td style="width:171px;">430168</td>
			<td style="width:488px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Tissue Cassettes</td>
			<td style="width:249px;">Fisher Scientific</td>
			<td style="width:171px;">15-200-403E</td>
			<td style="width:488px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Wheaton Vials, Glass, 20mL</td>
			<td style="width:249px;">Fisher Scientific</td>
			<td style="width:171px;">03-341-25D&#160;</td>
			<td style="width:488px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:436px;">Xylene&#160;</td>
			<td style="width:249px;">VWR</td>
			<td style="width:171px;">95057-822</td>
			<td style="width:488px;"></td>
		</tr>
	</tbody>
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a hormone-responsive 3d culture model of the human mammary gland epithelium

The process of mammary epithelial morphogenesis is influenced by hormones. The study of hormone action on the breast epithelium using 2D cultures is limited to cell proliferation and gene expression endpoints. However, in the organism, mammary morphogenesis occurs in a 3D environment. 3D culture systems help bridge the gap between monolayer cell culture (2D) and the complexity of the organism. Herein, we describe a 3D culture model of the human breast epithelium that is suitable to study hormone action. It uses the commercially available hormone-responsive human breast epithelial cell line, T47D, and rat tail collagen type 1 as a matrix. This 3D culture model responds to the main mammotropic hormones: estradiol, progestins and prolactin. The influence of these hormones on epithelial morphogenesis can be observed after 1- or 2-week treatment according to the endpoint. The 3D cultures can be harvested for analysis of epithelial morphogenesis, cell proliferation and gene expression.

Figur 1 sammanfattar förfarandet för framställning av hormonkänslig 3D kulturer. Epitelceller strukturer observeras i hela monteringar av geler odlade i 2 veckor i närvaro av E2 ensam och i kombination med andra hormoner. Endast enskilda celler eller grupper av 2-3 celler är närvarande när inga hormoner tillsätts till odlingsmediet (CDFBS medium) (Figur 2). Detta tillstånd tjänar som en negativ kontroll. Celler i 3D kultur bildar strukturer som va...

Watch this Scientific Journal Video about A Hormone-responsive 3D Culture Model of the Human Mammary Gland Epithelium at JoVE.com

A Hormone-responsive 3D Culture Model of the Human Mammary Gland Epithelium

We describe a 3D culture model of the human breast epithelium that is suitable to study hormone action.

Ett hormon känslig 3D Kultur av humana bröstkörteln epitel

The process of mammary epithelial morphogenesis is influenced by hormones. The study of hormone action on the breast epithelium using 2D cultures is ...

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