<meta charset="utf8"></head><body>약물 스크리닝 및 질병 모델링을 위한 hiPSC 유래 혈관 오가노이드

<ol>
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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=Functional+cortical+neurons+and+astrocytes+from+human+pluripotent+stem+cells+in+3d+culture.">Functional cortical neurons and astrocytes from human pluripotent stem cells in 3d culture.</a> Nat Methods. 12 (7), 671-678 (2015).</li><li>Takasato, 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=Kidney+organoids+from+human+iPS+cells+contain+multiple+lineages+and+model+human+nephrogenesis.">Kidney organoids from human iPS cells contain multiple lineages and model human nephrogenesis.</a> Nature. 526 (7574), 564-568 (2015).</li><li>Koike, 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=Modelling+human+hepato-biliary-pancreatic+organogenesis+from+the+foregut-midgut+boundary.">Modelling human hepato-biliary-pancreatic organogenesis from the foregut-midgut boundary.</a> Nature. 574 (7776), 112-116 (2019).</li><li>Takebe, T., 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=Vascularized+and+functional+human+liver+from+an+iPSC-derived+organ+bud+transplant.">Vascularized and functional human liver from an iPSC-derived organ bud transplant.</a> Nature. 499 (7459), 481-484 (2013).</li><li>Osakada, 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=Toward+the+generation+of+rod+and+cone+photoreceptors+from+mouse,+monkey+and+human+embryonic+stem+cells.">Toward the generation of rod and cone photoreceptors from mouse, monkey and human embryonic stem cells.</a> Nat Biotechnol. 26 (2), 215-224 (2008).</li><li>Potente, M., Gerhardt, H., Carmeliet, P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Basic+and+therapeutic+aspects+of+angiogenesis.">Basic and therapeutic aspects of angiogenesis.</a> Cell. 146 (6), 873-887 (2011).</li><li>Wimmer, R. A., Leopoldi, A., Aichinger, M., Kerjaschki, D., Penninger, J. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Generation+of+blood+vessel+organoids+from+human+pluripotent+stem+cells.">Generation of blood vessel organoids from human pluripotent stem cells.</a> Nat Protoc. 14 (11), 3082-3100 (2019).</li><li>Wimmer, R. 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=Human+blood+vessel+organoids+as+a+model+of+diabetic+vasculopathy.">Human blood vessel organoids as a model of diabetic vasculopathy.</a> Nature. 565 (7740), 505-510 (2019).</li><li>He, 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=Mapping+morphological+malformation+to+genetic+dysfunction+in+blood+vessel+organoids+with+22q11.2+deletion+syndrome.">Mapping morphological malformation to genetic dysfunction in blood vessel organoids with 22q11.2 deletion syndrome.</a> Biorxiv. , (2021).</li><li>He, 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=Human+vascular+organoids+with+a+mosaic+akt1+mutation+recapitulate+proteus+syndrome.">Human vascular organoids with a mosaic akt1 mutation recapitulate proteus syndrome.</a> Biorxiv. , (2024).</li><li>Chen, 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=A+versatile+polypharmacology+platform+promotes+cytoprotection+and+viability+of+human+pluripotent+and+differentiated+cells.">A versatile polypharmacology platform promotes cytoprotection and viability of human pluripotent and differentiated cells.</a> Nat Methods. 18 (5), 528-541 (2021).</li><li>Ungrin, M. 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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=Derivation+of+blood-brain+barrier+endothelial+cells+from+human+pluripotent+stem+cells.">Derivation of blood-brain barrier endothelial cells from human pluripotent stem cells.</a> Nat Biotechnol. 30 (8), 783-791 (2012).</li><li>Nishihara, 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=Differentiation+of+human+pluripotent+stem+cells+to+brain+microvascular+endothelial+cell-like+cells+suitable+to+study+immune+cell+interactions.">Differentiation of human pluripotent stem cells to brain microvascular endothelial cell-like cells suitable to study immune cell interactions.</a> Star Protoc. 2 (2), 100563 (2021).</li><li>Qian, T., 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=Directed+differentiation+of+human+pluripotent+stem+cells+to+blood-brain+barrier+endothelial+cells.">Directed differentiation of human pluripotent stem cells to blood-brain barrier endothelial cells.</a> Sci Adv. 3 (11), e1701679 (2017).</li><li>Stebbins, 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=Human+pluripotent+stem+cell-derived+brain+pericyte-like+cells+induce+blood-brain+barrier+properties.">Human pluripotent stem cell-derived brain pericyte-like cells induce blood-brain barrier properties.</a> Sci Adv. 5 (3), eaau7375 (2019).</li><li>Campisi, 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=3D+self-organized+microvascular+model+of+the+human+blood-brain+barrier+with+endothelial+cells,+pericytes+and+astrocytes.">3D self-organized microvascular model of the human blood-brain barrier with endothelial cells, pericytes and astrocytes.</a> Biomaterials. 180, 117-129 (2018).</li><li>Osaki, T., Sivathanu, V., Kamm, R. D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Engineered+3D+vascular+and+neuronal+networks+in+a+microfluidic+platform.">Engineered 3D vascular and neuronal networks in a microfluidic platform.</a> Sci Rep. 8 (1), 5168 (2018).</li><li>Osaki, T., Uzel, S. G. M., Kamm, R. D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Microphysiological+3D+model+of+amyotrophic+lateral+sclerosis+(ALS)+from+human+iPS-derived+muscle+cells+and+optogenetic+motor+neurons.">Microphysiological 3D model of amyotrophic lateral sclerosis (ALS) from human iPS-derived muscle cells and optogenetic motor neurons.</a> Sci Adv. 4 (10), eaat5847 (2018).</li><li>Sakurai, 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=A+microengineered+vascularized+bleeding+model+that+integrates+the+principal+components+of+hemostasis.">A microengineered vascularized bleeding model that integrates the principal components of hemostasis.</a> Nat Commun. 9 (1), 509 (2018).</li><li>Kim, 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=Engineering+of+a+biomimetic+pericyte-covered+3d+microvascular+network.">Engineering of a biomimetic pericyte-covered 3d microvascular network.</a> PLoS ONE. 10 (7), e0133880 (2015).</li><li>Kosyakova, 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=Differential+functional+roles+of+fibroblasts+and+pericytes+in+the+formation+of+tissue-engineered+microvascular+networks+in+vitro.">Differential functional roles of fibroblasts and pericytes in the formation of tissue-engineered microvascular networks in vitro.</a> Biorxiv. , (2019).</li><li>Whisler, J. A., Chen, M. B., Kamm, R. D. <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+perfusable+microvascular+network+morphology+using+a+multiculture+microfluidic+system.">Control of perfusable microvascular network morphology using a multiculture microfluidic system.</a> Tissue Eng Part C Methods. 20 (7), 543-552 (2013).</li><li>Haase, K., Kamm, R. D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Advances+in+on-chip+vascularization.">Advances in on-chip vascularization.</a> Regen Med. 12 (3), 285-302 (2017).</li><li>Wong, K. H. K., Chan, J. M., Kamm, R. 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<table border="1" fo:keep-together.within-page="1" fo:keep-with-next.within-page="always">
	<tbody>
		<tr>
			<td>2-Mercaptoethanol (1000x)</td>
			<td>Gibco</td>
			<td>21985023</td>
			<td></td>
		</tr>
		<tr>
			<td>Accutase</td>
			<td>Sigma-Aldrich</td>
			<td>A6964</td>
			<td></td>
		</tr>
		<tr>
			<td>Alexa Fluor 488 AffiniPure F(ab&#39;)2 Fragment Donkey Anti-Rabbit IgG (H+L)</td>
			<td>Jackson Immuno Research Labs</td>
			<td>711-546-152</td>
			<td>reconstitute with 0.25 mL 50% glycerol,&#160; store at -20 &#176;C for up to 1 year, dilution ratio for use: 1:1000</td>
		</tr>
		<tr>
			<td>Alexa Fluor 647 AffiniPure F(ab&#39;)2 Fragment Donkey Anti-Goat IgG (H+L)&#160;</td>
			<td>Jackson Immuno Research Labs</td>
			<td>705-606-147</td>
			<td>reconstitute with 0.25 mL 50% glycerol,&#160; store at -20&#176;C for up to 1 year, dilution ratio for use: 1:1000</td>
		</tr>
		<tr>
			<td>B27 supplement minus vitamin A (50x)</td>
			<td>Gibco</td>
			<td>12587010</td>
			<td>thaw at 4 &#176;C, aliquot and store at -20 &#176;C, avoid freeze-thaw cycle</td>
		</tr>
		<tr>
			<td>BMP4</td>
			<td>ProSpec</td>
			<td>CYT-081</td>
			<td>reconstitute with sterile ddH2O at a concentration of 100 ng/&#181;L, aliquot and store at -20 &#176;C</td>
		</tr>
		<tr>
			<td>CD31 antibody&#160;</td>
			<td>abcam</td>
			<td>ab28364</td>
			<td>dilution ratio: 1:400</td>
		</tr>
		<tr>
			<td>Centrifuge</td>
			<td>Eppendorf</td>
			<td>022626001</td>
			<td></td>
		</tr>
		<tr>
			<td>CHIR99021</td>
			<td>Tocris Bioscience</td>
			<td>4423/10</td>
			<td>make the stock solution at 12 mM with DMSO, and store at -20 &#176;C for up to 1 year.</td>
		</tr>
		<tr>
			<td>Chroman 1</td>
			<td>Tocris</td>
			<td>7163/10</td>
			<td>make the stock solution at 100 &#181;M with DMSO, and store at -20 &#176;C for up to 1 year.</td>
		</tr>
		<tr>
			<td>Collagen I&#160;</td>
			<td>Corning</td>
			<td>40236</td>
			<td></td>
		</tr>
		<tr>
			<td>Confocal Microscope</td>
			<td>Nikon</td>
			<td>AXRMP/Ti2</td>
			<td></td>
		</tr>
		<tr>
			<td>Corning Elplasia Plates</td>
			<td>Corning</td>
			<td>4441</td>
			<td></td>
		</tr>
		<tr>
			<td>Countess II FL automated cell counter</td>
			<td>Thermo Fisher</td>
			<td>AMQAF1000</td>
			<td></td>
		</tr>
		<tr>
			<td>DMEM/F-12, GlutaMAX supplement</td>
			<td>Gibco</td>
			<td>10565018</td>
			<td></td>
		</tr>
		<tr>
			<td>DMEM/F-12, powder</td>
			<td>Gibco</td>
			<td>12500062</td>
			<td>make 10x stock solution with biograde ddH2O and sterilize it with a 0.2 &#181;m filter. Store at 4 &#176;C.</td>
		</tr>
		<tr>
			<td>Edi042A</td>
			<td>Cedars Sinai</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Emricasan</td>
			<td>Medchemexpress LLC</td>
			<td>HY1039610MG</td>
			<td>make the stock solution at 1 mM with DMSO, and store at -20 &#176;C for up to 1 year.</td>
		</tr>
		<tr>
			<td>ERG antibody</td>
			<td>Cell Singali Technology</td>
			<td>97249</td>
			<td>dilution ratio: 1:400</td>
		</tr>
		<tr>
			<td>Fetal Bovine Serum - Premium</td>
			<td>Atlanta Biologicals</td>
			<td>S11150</td>
			<td>thaw at 4 &#176;C&#160; and aliquot, store at&#160; -20 &#176;C for up to five years, or store at 4 &#176;C for up to a month</td>
		</tr>
		<tr>
			<td>FGF2</td>
			<td>ProSpec</td>
			<td>CYT557</td>
			<td>reconstitute with sterile ddH2O at a concentration of 100 ng/&#181;L, aliquot and store at -20 &#176;C</td>
		</tr>
		<tr>
			<td>Fluorodish Cell Culture Dish</td>
			<td>World Precision Instruments</td>
			<td>FD35-100</td>
			<td></td>
		</tr>
		<tr>
			<td>Forskolin</td>
			<td>Tocris Bioscience</td>
			<td>1099</td>
			<td>reconstitute with DMSO at a concentration of 12 mM, aliquot and store at -20 &#176;C</td>
		</tr>
		<tr>
			<td>Gentamicin (50 mg/mL)</td>
			<td>Gibco</td>
			<td>15710064</td>
			<td></td>
		</tr>
		<tr>
			<td>GlutaMAX supplement (100x)</td>
			<td>Gibco</td>
			<td>35050061</td>
			<td></td>
		</tr>
		<tr>
			<td>Heparin, 100 kU</td>
			<td>MilliporeSigma</td>
			<td>375095100KU</td>
			<td>reconstitute with sterile ddH2O at a concentration of 4 kU/mL</td>
		</tr>
		<tr>
			<td>HEPES (1 M)</td>
			<td>Gibco</td>
			<td>15630080</td>
			<td></td>
		</tr>
		<tr>
			<td>Incubator</td>
			<td>Thermo Scientific</td>
			<td>13998123</td>
			<td></td>
		</tr>
		<tr>
			<td>Knockout Serum Replacement</td>
			<td>Gibco</td>
			<td>10828028</td>
			<td>thaw at 4 &#176;C, aliquot and store at -20&#176;C, avoid freeze-thaw cycle</td>
		</tr>
		<tr>
			<td>Matrigel, GFR Basement Membrane Matrix</td>
			<td>Corning</td>
			<td>356230</td>
			<td>thaw at 4 &#176;C, aliquot and store at -80&#176;C, avoid freeze-thaw cycle</td>
		</tr>
		<tr>
			<td>MEM Non-Essential Amino Acids Solution (NEAA, 100x)</td>
			<td>Gibco</td>
			<td>11140050</td>
			<td></td>
		</tr>
		<tr>
			<td>Molecular Biology Grade Water</td>
			<td>Corning</td>
			<td>46000CV</td>
			<td></td>
		</tr>
		<tr>
			<td>mTeSR plus kit</td>
			<td>STEMCELL Technologies</td>
			<td>1001130</td>
			<td>thaw at 4 &#176;C, aliquot and store at -20&#176;C, avoid freeze-thaw cycle</td>
		</tr>
		<tr>
			<td>N2 supplement (100x)</td>
			<td>Gibco</td>
			<td>17502048</td>
			<td>thaw at 4 &#176;C, aliquot and store at -20&#176;C, avoid freeze-thaw cycle</td>
		</tr>
		<tr>
			<td>NaOH solution (1 M)</td>
			<td>Cytiva&#160;HyClone</td>
			<td>SH31088.01</td>
			<td></td>
		</tr>
		<tr>
			<td>NeuroBasal medium</td>
			<td>Gibco</td>
			<td>21103049</td>
			<td></td>
		</tr>
		<tr>
			<td>NIS-Elements, ver 5.42</td>
			<td>Nikon</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Normal Donkey Serum</td>
			<td>Jackson Immuno Research Labs</td>
			<td>17000121</td>
			<td>reconstitute with 10 mL sterile ddH2O, store at 4 &#176;C for up to two weeks</td>
		</tr>
		<tr>
			<td>paraformaldehyde, 20%</td>
			<td>Electron Microscopy Sciences</td>
			<td>15713S</td>
			<td>dilute with PBS</td>
		</tr>
		<tr>
			<td>PBST, 20x</td>
			<td>Thermofisher</td>
			<td>28352</td>
			<td></td>
		</tr>
		<tr>
			<td>PDGFR&#946; antibody</td>
			<td>R&#38;D</td>
			<td>AF385</td>
			<td>dilution ratio: 1:400</td>
		</tr>
		<tr>
			<td>polyamine supplement (1000x)</td>
			<td>Sigma-Aldrich</td>
			<td>P8483</td>
			<td></td>
		</tr>
		<tr>
			<td>Rapiclear clearing reagent, 1.49</td>
			<td>SUNJIN LAB</td>
			<td>RC149001</td>
			<td></td>
		</tr>
		<tr>
			<td>Sodium Bicarbonate (7.5%)</td>
			<td>Gibco</td>
			<td>25080094</td>
			<td></td>
		</tr>
		<tr>
			<td>Sodium deoxycholate monohydrate</td>
			<td>Thermofisher</td>
			<td>J6228822</td>
			<td>dissolve with ddH2O for 1% (wt/v) stock solution</td>
		</tr>
		<tr>
			<td>TBST, 20x</td>
			<td>Thermofisher</td>
			<td>28360</td>
			<td></td>
		</tr>
		<tr>
			<td>trans-ISRIB</td>
			<td>Tocris Bioscience</td>
			<td>5284/10</td>
			<td>make the stock solution at 1 mM with DMSO, and store at -20&#176;C for up to 1 year.</td>
		</tr>
		<tr>
			<td>Tritin X-100</td>
			<td>Sigma-Aldrich</td>
			<td>T8787-50ML</td>
			<td></td>
		</tr>
		<tr>
			<td>Trypan Blue Stain (0.4%)</td>
			<td>Thermo Fisher</td>
			<td>15250061</td>
			<td></td>
		</tr>
		<tr>
			<td>Tween 20</td>
			<td>Sigma-Aldrich</td>
			<td>P7949-100ML</td>
			<td></td>
		</tr>
		<tr>
			<td>VEGF-A</td>
			<td>ProSpec</td>
			<td>CYT-116</td>
			<td>reconstitute with sterile ddH2O at a concentration of 100 ng/&#181;L, aliquot and store at -20&#176;C</td>
		</tr>
	</tbody>
</table>

vascular organoid generation from human-induced pluripotent stem cells

In vitro microphysiological models, including organoid and tissue-on-a-chip systems, have emerged over the past decade1,2,3. These three-dimensional (3D), human cell-derived systems address the limitations in conventional two-dimensional (2D) cell culture and animal models, such as the lack of many components in the physiological microenvironment and genetic differences across species, respectively. They provide more physiological insights and are more suitable for disease modeling and drug screening than conventional models. Among the microphysiological models, organoids derived from human induced pluripotent stem cells (hiPSCs) have been proven to recapitulate the architectural features of native human tissues effectively and have been developed to mimic different human organs, including the brain4,5, kidney6, liver7,8&#160;and retina9. Here, we particularly focus on the generation of vascular organoids from hiPSCs and outline a streamlined protocol that aims to minimize the variations between different organoid samples and batches, thereby improving the overall reproducibility.
Vasculature plays a crucial role in maintaining physiological homeostasis across all human organs. The formation of vasculature involves the processes of vasculogenesis and angiogenesis, orchestrated through the interactions between endothelial and mural (e.g., pericytes and vascular smooth muscle cells) cells and influenced by various stimuli10. Penninger, Wimmer&#160;and colleagues developed the first vascular organoid generation method11,12 that mimics these two processes. With the organoids generated from this method, their group12 and us13,14 have demonstrated the potential of vascular organoids for modeling vascular malfunctions in diseases. For example, in our recent works13,14, distinct phenotypes were observed, such as vessel sprouting and mural cell composition variations, between disease-mimicking vascular organoids and their wild-type counterparts. These examples highlight that the vascular&#160;organoid model could serve as a platform for drug screening by mimicking disease-related vascular malfunctions.
Built upon the initial vascular organoid generation works11,12, a revised protocol is presented that includes the use of microwell to facilitate homogenous embryoid body (EB) formation, a critical factor in minimizing the variations often seen within the same organoid generation batch. Additionally, the CEPT cocktail, a combination of chroman 1, emricasan, polyamines&#160;and the integrated stress response inhibitor (trans-ISRIB)15, is employed&#160;to improve the viability of hiPSCs and differentiated cells during the EB formation process. This modification is mainly to reduce the variations between different organoid samples and batches. Uniform vascular organoids can be produced with this roughly two-week-long protocol, where vasculogenesis is induced to help endothelium organize into primitive tubular networks on Day 1, followed by angiogenesis induction on Day 5 to develop complex vascular networks in organoids. On Day 12-15, the generated organoids should show mature vascular networks composed of both endothelium and mural cells.

<meta charset="utf8"></head><body>저자 스포트라이트: Improving Reproducibility in Vascular Organoids(ROCK 억제제 및 마이크로웰 구속을 사용한 혈관 오가노이드의 재현성 개선)

인간 유도 만능 줄기 세포(Human-Induced Pluripotent Stem Cells)에서 혈관 오가노이드 생성

This study introduces a modified method for scalable production of homogeneous vascular organoids from human IPSCs. By using novel ROCK inhibitors and the microwell confinement, the approach enhances reproducibility and minimize batch-to-batch variations, making it suitable for downstream morphological analysis and disease modeling applications. Single-cell sequencing technologies have been extensively utilized in organoid research to unravel the genomic, epigenomic, and the transcriptomic heterogeneity and dynamics within cellular populations.3D imaging technologies such as tissue clearing and the light-sheet microscopy facilitate rapid, high-resolution imaging of cellular morphology and the tissue architecture in a three-dimensional context. The throughput and the standardization are key challenges in organoid research. Manual handling is labor-intensive and limits the throughput, making robotic automation a promising solution.Standardization of organoid culture, including IPSC quality control and the differentiation protocol optimization can significantly enhance reproducibility and minimize variations between batches and cell lines.

Vascular organoids derived from human induced pluripotent stem cells (hiPSCs) recapitulate the cell type diversity and complex architecture of human ...

vascular-organoid-generation-from-human-induced-pluripotent-stem-cells

Research

JoVE Journal

Bioengineering

Vascular Organoid Generation from Human-Induced Pluripotent Stem Cells

759 조회수.  Columbia University. 이 연구는 인간 IPSC에서 균질한 혈관 오가노이드의 확장 가능한 생산을 위한 수정된 방법을 소개합니다. 새로운 ROCK 억제제와 마이크로웰 구속을 사용함으로써 이 접근법은 재현성을 향상시키고 배치 간 변동을 최소화하여 다운스트림 형태 분석 및 질병 모델링 응용 분야에 적합합니다. 단일 세포 염기서열 분석 기술은 세포 집단 내 유전체, 후성유?...