Name: generation and culturing of primary human keratinocytes from adult skin
Uploaded: 2017-12-22T14:00:00
Description: Watch this Scientific Journal Video about Generation and Culturing of Primary Human Keratinocytes from Adult Skin at JoVE.com

Forfatteren ønsker å takke Annette Blak Rasmussen og Kristine Moeller deres kundestøtte

Samlingen av hud prøver fra friske voksne frivillige gjennomgå plastisk kirurgi krever godkjenning fra den etiske komiteen i vert institusjoner. Denne protokollen ble godkjent av den regionale etiske komiteen av Region Midtjylland, Danmark (M-20110027). Metoden beskrevet her er avledet fra lignende studier av Maciaq et al. 10 og Liu og Karasek11.
1. isolering av keratinocytter fra menneskelig hud
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	<li>Barker, J. N., Mitra, R. S., Griffiths, C. E., Dixit, V. M., Nickoloff, B. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Keratinocytes+as+initiators+of+inflammation.">Keratinocytes as initiators of inflammation.</a> Lancet. 337 (8735), 211-214 (1991).</li><li>Nickoloff, B. J., Turka, L. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Keratinocytes:+key+immunocytes+of+the+integument.">Keratinocytes: key immunocytes of the integument.</a> Am J Pathol. 143 (2), 325-331 (1993).</li><li>Fuchs, E., Raghavan, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Getting+under+the+skin+of+epidermal+morphogenesis.">Getting under the skin of epidermal morphogenesis.</a> Nat Rev Genet. 3 (3), 199-209 (2002).</li><li>Bos, J. D., Kapsenberg, M. L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+skin+immune+system+Its+cellular+constituents+and+their+interactions.">The skin immune system Its cellular constituents and their interactions.</a> Immunol Today. 7 (7-8), 235-240 (1986).</li><li>Nestle, F. O., Di Meglio, P., Qin, J. Z., Nickoloff, B. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Skin+immune+sentinels+in+health+and+disease.">Skin immune sentinels in health and disease.</a> Nat Rev Immunol. 9 (10), 679-691 (2009).</li><li>Albanesi, C., Scarponi, C., Giustizieri, M. L., Girolomoni, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Keratinocytes+in+inflammatory+skin+diseases.">Keratinocytes in inflammatory skin diseases.</a> Curr Drug Targets Inflamm Allergy. 4 (3), 329-334 (2005).</li><li>Gilliet, M., Lande, R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Antimicrobial+peptides+and+self-DNA+in+autoimmune+skin+inflammation.">Antimicrobial peptides and self-DNA in autoimmune skin inflammation.</a> Curr Opin Immunol. 20 (4), 401-407 (2008).</li><li>Rohani, M. G., Pilcher, B. K., Chen, P., Parks, W. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Cdc42+inhibits+ERK-mediated+collagenase-1+(MMP-1)+expression+in+collagen-activated+human+keratinocytes.">Cdc42 inhibits ERK-mediated collagenase-1 (MMP-1) expression in collagen-activated human keratinocytes.</a> J Invest Dermatol. 134 (5), 1230-1237 (2014).</li><li>Meephansan, J., Tsuda, H., Komine, M., Tominaga, S., Ohtsuki, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Regulation+of+IL-33+expression+by+IFN-gamma+and+tumor+necrosis+factor-alpha+in+normal+human+epidermal+keratinocytes.">Regulation of IL-33 expression by IFN-gamma and tumor necrosis factor-alpha in normal human epidermal keratinocytes.</a> J Invest Dermatol. 132 (11), 2593-2600 (2012).</li><li>Maciag, T., Nemore, R. E., Weinstein, R., Gilchrest, B. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=An+endocrine+approach+to+the+control+of+epidermal+growth:+serum-free+cultivation+of+human+keratinocytes.">An endocrine approach to the control of epidermal growth: serum-free cultivation of human keratinocytes.</a> Science. 211 (4489), 1452-1454 (1981).</li><li>Liu, S. C., Karasek, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Isolation+and+growth+of+adult+human+epidermal+keratinocytes+in+cell+culture.">Isolation and growth of adult human epidermal keratinocytes in cell culture.</a> J Invest Dermatol. 71 (2), 157-162 (1978).</li><li>Naaldijk, Y., Friedrich-Stockigt, A., Sethe, S., Stolzing, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Comparison+of+different+cooling+rates+for+fibroblast+and+keratinocyte+cryopreservation.">Comparison of different cooling rates for fibroblast and keratinocyte cryopreservation.</a> J Tissue Eng Regen Med. 10 (10), E354-E364 (2016).</li><li>Otkjaer, 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=IL-20+gene+expression+is+induced+by+IL-1beta+through+mitogen-activated+protein+kinase+and+NF-kappaB-dependent+mechanisms.">IL-20 gene expression is induced by IL-1beta through mitogen-activated protein kinase and NF-kappaB-dependent mechanisms.</a> J Invest Dermatol. 127 (6), 1326-1336 (2007).</li><li>Watt, 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=Involucrin+and+other+markers+of+keratinocyte+terminal+differentiation.">Involucrin and other markers of keratinocyte terminal differentiation.</a> J Invest Dermatol. 81 (1 Suppl), 100s-103s (1983).</li><li>Boyce, S. T., Ham, R. G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Calcium-regulated+differentiation+of+normal+human+epidermal+keratinocytes+in+chemically+defined+clonal+culture+and+serum-free+serial+culture.">Calcium-regulated differentiation of normal human epidermal keratinocytes in chemically defined clonal culture and serum-free serial culture.</a> J Invest Dermatol. 81 (1 Suppl), 33s-40s (1983).</li><li>Hennings, 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=Calcium+regulation+of+growth+and+differentiation+of+mouse+epidermal+cells+in+culture.">Calcium regulation of growth and differentiation of mouse epidermal cells in culture.</a> Cell. 19 (1), 245-254 (1980).</li><li>Carlson, M. W., Alt-Holland, A., Egles, C., Garlick, 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=Three-dimensional+tissue+models+of+normal+and+diseased+skin.">Three-dimensional tissue models of normal and diseased skin.</a> Curr Protoc Cell Biol. , (2008).</li><li>Kamsteeg, 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=Type+2+helper+T-cell+cytokines+induce+morphologic+and+molecular+characteristics+of+atopic+dermatitis+in+human+skin+equivalent.">Type 2 helper T-cell cytokines induce morphologic and molecular characteristics of atopic dermatitis in human skin equivalent.</a> Am J Pathol. 178 (5), 2091-2099 (2011).</li><li>van den Bogaard, E. 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=Crosstalk+between+keratinocytes+and+T+cells+in+a+3D+microenvironment:+a+model+to+study+inflammatory+skin+diseases.">Crosstalk between keratinocytes and T cells in a 3D microenvironment: a model to study inflammatory skin diseases.</a> J Invest Dermatol. 134 (3), 719-727 (2014).</li><li>Raaby, 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=Langerhans+cell+markers+CD1a+and+CD207+are+the+most+rapidly+responding+genes+in+lesional+psoriatic+skin+following+adalimumab+treatment.">Langerhans cell markers CD1a and CD207 are the most rapidly responding genes in lesional psoriatic skin following adalimumab treatment.</a> Exp Dermatol. , (2017).</li></ol>

Her beskriver vi hvordan lett isolere primære menneskelige keratinocytter fra voksen hud, og kultur dem i vitro. Denne modellen kan ha et bredt program for undersøkelse av epidermal cellebiologi, og kan være nyttig for forskere interessert i å studere kutan sykdommer.
Noen av fordelene av protokollen beskrevet her er at i motsetning til keratinocytter isolert fra neonatal foreskin fra nyfødte menn under omskjæring, primære menneskelige keratinocytter fra voksne pasienter er iso...

Huden er den største organet av kroppen og fungerer som en beskyttende barriere mot ytre miljø. Huden består av to hoveddeler lag: the dermis og epidermis, overhuden, hvor utgjør det ytterste laget av huden. Den rikeste celle typen i epidermis er keratinocytter består av mer enn 95% av cellen masse1,2. Keratinocytter opprettholdes på ulike stadier av differensiering i overhuden og organiseres i basale, spinous, granulerte og cornified lag som tilsvarer bestemte stadier av differensiering3. Hovedfunksjonen til keratinocytter er å gi den strukturelle integriteten i overhuden, og dermed produsere en intakt barriere til verden utenfor.
Keratinocytter representerer den første linjen i forsvaret mot patogener i huden, og derfor spiller en viktig rolle i medfødte immunforsvaret4,5. Eksponering for keratinocytter eksterne stimuli fører til aktivering av intracellulær signalveier og deretter produksjon av en rekke ulike inflammatoriske mediatorer inkludert cytokiner, chemokines og antimikrobielle peptider. Disse keratinocyte-avledet proteiner delta i inflammatorisk respons ved rekruttering og aktivere immunceller som dendrittiske celler, nøytrofile og bestemt T celler6,7. Dermed fordi keratinocytter spille en avgjørende rolle i mange biologiske prosesser, var begrunnelsen bak teknikken presenteres her å generere en i vitro modell for å studere huden biologi. Primære keratinocyte kulturer fra neonatal foreskin brukes ofte til å studere huden biologi8,9. Men med teknikken beskrevet her, er keratinocytter fra begge kjønn oppnådd som resulterer i en høyere biologisk mangfold av cellene.
Her presenterer vi en detaljert protokoll for isolasjon og generasjon av primære menneskelige keratinocytter fra voksen hud, inkludert vedlikehold og frysing av keratinocytter. Det overordnede målet med denne metoden er å generere primære menneskelige keratinocytter som kan brukes som en modell for å studere kutan biologi i vitro.

<table border="0" cellpadding="0" cellspacing="0" width="621">
	<tbody>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">KSFM</td>
			<td style="width:119px;">ThermoFisher Scientific</td>
			<td style="width:119px;">17005-034</td>
			<td style="width:167px;">Cell culture medium</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">KSFM supplements</td>
			<td style="width:119px;">ThermoFisher Scientific</td>
			<td style="width:119px;">37000-015</td>
			<td style="width:167px;">Supplements for KSFM</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">DPBS</td>
			<td style="width:119px;">ThermoFisher Scientific</td>
			<td style="width:119px;">14190-144</td>
			<td style="width:167px;">DPBS without Calcium and Magnesium</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">DMSO</td>
			<td style="width:119px;">Sigma-Aldrich</td>
			<td style="width:119px;">D8418</td>
			<td style="width:167px;">Dimethyl sulfoxid</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Gentamycin</td>
			<td style="width:119px;">ThermoFisher Scientific</td>
			<td style="width:119px;">15710-049</td>
			<td style="width:167px;">Cell culture medium additive</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Sterilization filter</td>
			<td style="width:119px;">Sartorius</td>
			<td style="width:119px;">16534</td>
			<td style="width:167px;">Syringe filter with a pore size of 0.2 &#181;m</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Trypsin</td>
			<td style="width:119px;">Sigma-Aldrich</td>
			<td style="width:119px;">T7409</td>
			<td style="width:167px;">Used to trypsinize cells</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Glucose</td>
			<td style="width:119px;">Sigma-Aldrich</td>
			<td style="width:119px;">G7528</td>
			<td style="width:167px;">-</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">RPMI-1640</td>
			<td style="width:119px;">ThermoFisher Scientific</td>
			<td style="width:119px;">61870-010</td>
			<td style="width:167px;">-</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">FBS</td>
			<td style="width:119px;">ThermoFisher Scientific</td>
			<td style="width:119px;">16000044</td>
			<td style="width:167px;">Used to inactivate trypsin</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Forceps</td>
			<td style="width:119px;">-</td>
			<td style="width:119px;">-</td>
			<td style="width:167px;">Forceps from any company can be used</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Scissors</td>
			<td style="width:119px;">-</td>
			<td style="width:119px;">-</td>
			<td style="width:167px;">Scissors from any company can be used</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Scalpel</td>
			<td style="width:119px;">Swann Morton</td>
			<td style="width:119px;">0501</td>
			<td style="width:167px;">Scalpels from any company can be used</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">70% ethanol</td>
			<td style="width:119px;">-</td>
			<td style="width:119px;">-</td>
			<td style="width:167px;">-</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Gauze pads</td>
			<td style="width:119px;">NOBAMED</td>
			<td style="width:119px;">875420</td>
			<td style="width:167px;">Gauze pads from any provider can be used</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Foot planer</td>
			<td style="width:119px;">Credo Solingen</td>
			<td style="width:119px;">1510</td>
			<td style="width:167px;">Foot planer from any provider can be used</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Petri dishes</td>
			<td style="width:119px;">TPP</td>
			<td style="width:119px;">93100</td>
			<td style="width:167px;">Petri dishes from any provider can be used</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">Metal filter</td>
			<td style="width:119px;">-</td>
			<td style="width:119px;">-</td>
			<td style="width:167px;">In-house 1 mm hole size metal filter</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:216px;">75 cm2 culture flasks</td>
			<td style="width:119px;">NUNC</td>
			<td style="width:119px;">156499</td>
			<td style="width:167px;">-</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:216px;">150 cm2 culture flasks</td>
			<td style="width:119px;">TTP</td>
			<td style="width:119px;">90151</td>
			<td style="width:167px;">-</td>
		</tr>
		<tr height="41">
			<td height="41" style="height:41px;width:216px;">0.05% Trypsin-EDTA solution</td>
			<td style="width:119px;">ThermoFisher Scientific</td>
			<td style="width:119px;">25300-062</td>
			<td style="width:167px;">Used to trypsinize cells when passaging</td>
		</tr>
	</tbody>
</table>

generation and culturing of primary human keratinocytes from adult skin

Hovedfunksjonen til keratinocytter er å gi den strukturelle integriteten i overhuden, og dermed opprettholde en mekanisk barriere til verden utenfor. I tillegg spiller keratinocytter en viktig rolle i innvielsen, vedlikehold og regulering av epidermal immunreaksjoner å være del av det medfødte immunsystemet svarer på antigen stimuli i en rask, ikke-spesifikk måte. Her beskriver vi en protokoll for isolering av primære menneskelige keratinocytter fra voksen hud, og at disse cellene reagerer kalsium-indusert terminal differensiering, målt ved det økt uttrykket for differensiering markør involucrin. I tillegg viser vi at de isolerte keratinocytter er mottakelig for IL-1β-indusert aktivering av intracellulær signalveier målt ved aktivering av p38 MAPK veien. Sammen beskriver vi en metode for isolasjon og dyrking av primære menneskelige keratinocytter fra voksen hud. Fordi keratinocytter er den dominerende celle i overhuden, er denne metoden nyttig å studere molekylære mekanismer i kutan biologi i vitro.

Kalsium-indusert Terminal differensiering Menneskelige keratinocytter gjennomgår terminal differensiering på behandling med kalsium14,15,16. Primære menneskelige keratinocytter ble isolert og kultivert som beskrevet i over protokollen. Når ca 50-60% confluent, cellene ble stimulert med kalsium (1,2 mM) eller kjøretøy og bilder av cellene ble tatt dagen 0, 1 og 2. Figur 1 vi...

Watch this Scientific Journal Video about Generation and Culturing of Primary Human Keratinocytes from Adult Skin at JoVE.com

Generation and Culturing of Primary Human Keratinocytes from Adult Skin

Den menneskelige huden fungerer som en første forsvarslinje mot det ytre miljøet. Vi presenterer en metode for å isolere primære menneskelige keratinocytter fra voksen hud. Disse isolerte keratinocytter er nyttig i flere eksperimentelle oppsett, og er en svært passende modell for å studere molekylære mekanismer i kutan biologi i vitro.

Generasjon og dyrking av primære menneskelige keratinocytter fra voksen hud

The main function of keratinocytes is to provide the structural integrity of the epidermis, thereby maintaining a mechanical barrier to the outside world. ...

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