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Title:Kulture človeških endotelnih celic, izoliranih iz arterije mamarije interne
Authors:ID Jagrič, Tomaž (Author)
ID Marš, Tomaž (Author)
ID Grubič, Zoran (Author)
ID Jagrič, Timotej (Author)
ID Geršak, Borut (Author)
Files:.pdf Zdravniski_vestnik_2006_Jagric_et_al._Kulture_cloveskih_endotelnih_celic,_izoliranih_iz_arterije_mamarije_interne.pdf (180,34 KB)
MD5: 00DFD0762FF1A57BC5EB51C95B7C4B5E
 
URL http://vestnik.szd.si/index.php/ZdravVest/article/view/2033
 
Language:Slovenian
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:EPF - Faculty of Business and Economics
Abstract:Izhodišča: Cilj raziskave je pripraviti homogene kulture endotelnih celic (EC), izoliranih iz človeške arterije mamarije interne (AMI), dobljene med srčno obvodno operacijo, in jih vzdrževati v dolgoročnih kulturah. Na ta način bi skušali ugotovili pogoje, pri katerih bi lahko v nadaljnjem delu s celičnimi kulturami prišli do zadostnega števila avtolognih arterijskih EC celic za uporabo pri populaciji, ki jo kardiovaskularne bolezni najbolj prizadenejo. Metode: V raziskavo je bilo vključenih 7 moških, starih 52-76 let, z diagnosticirano ishemično srčno boleznijo. Pri vseh je bila opravljena obvodna operacija. Iz žilnih vzorcev, ki smo jih pridobili med operacijo, smo osamili celice na dva načina: s proteolitično razgradnjo tkiva in situ ali pa s proteolitično razgradnjo iz predhodno razkosanih žilnih preparatov. Spremljali smo morfologijo in kinetiko rasti EC v 3 tedne starih kulturah. Celično specifičnost smo dokazali z imunohistokemičnim določanjem von Willebrandovega faktorja. Rezultati: Rast celic je bila prisotna le v kulturah, ki smo jih pripravili s prvo metodo. Celice so kazale tipične morfološke značilnosti EC in izražale von Willebrandov faktor. Največje število celic v kolonijah (v povprečju 11, maksimalno pa 51) so kulture dosegle v 6 dneh. Podvojitven čas celic je bil 82+-43 ur. Zaključki: Z raziskavo smo pokazali, da je predstavljena metoda osamitve EC iz majhnega vzorca AMI primerna za pridobivanje vitalnih celic. Metoda je selektivna EC in omogoča njihovo rast v dolgoročnih kulturah. Končno število celic v kolonijah je za zdaj premajhno za uporabo v tkivnem inženirstvu, vendar bi se z optimizacijo metode v prihodnjih raziskavah lahko bolj približali temu cilju.
Keywords:endotelne celice, celične kulture, arterija mamarija interna, tkivno inženirstvo
Publication status:Published
Publication version:Version of Record
Year of publishing:2006
Number of pages:str. 621-628
Numbering:Letn. 75, št. 10
PID:20.500.12556/DKUM-52851 New window
ISSN:1318-0347
UDC:61
ISSN on article:1318-0347
COBISS.SI-ID:8913180 New window
NUK URN:URN:SI:UM:DK:SOOSHWTG
Publication date in DKUM:10.07.2015
Views:2989
Downloads:109
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Zdravniški vestnik. glasilo Slovenskega zdravniškega društva
Publisher:Slovensko zdravniško društvo
ISSN:1318-0347
COBISS.SI-ID:32893696 New window

Secondary language

Language:English
Title:Human endothelial cell cultures isolated from internal mammary artery
Abstract:Background: The aim of our study was to prepare homogenic and long tern cultures of endothelial cells (EC) from a human internal mammary artery (IMA) obtained during a cardiac by pass graft operation (CABG). In this way we would be able to assess the conditions suitable for the preparation of sufficient number of autologous arterial ECs and their use in a population mostly affected with cardiovascular diseases. Methods: Seven 52-76 years old male patients diagnosed with ischemic heart disease were included in ourstudy. Samples of internal mammary artery were collected during CABG performed on these patients. EC cells were prepared from these samples using two approaches. in situ digestion with proteolytical enzymes and proteolytic digestion from the previously resected IMA vessels. Cell morphology and growthkinetics were studied in 3 weeks old cultures. EC cell specificy was determined by immunohystochemical staining for von Willebrandćs factor. Results: Cell growth could be observed only in cultures prepared with the in situ proteolytic digestion. Cells sowed the typical EC morphology and were positive for von Willebrand's factor. The maximal cell number in colonies (11 in average, 51 at the most) was reached after 6 days in culture. The average cell doubling time of the five cultures was 82+-43 hours. Conclusions: The study proved that our method of isolation is specific for ECs. Using a small IMA sample we were able to collect a number of colonies and sustain them in long term cultures, but the end numbers of cells is still too small for their application in tissue engineering (TE). Our further efforts will be focused onthe optimization of the conditions which would allow sufficient proliferation of EC so that small IMA sample would be enough for the TE.
Keywords:endothelial cell, cell cultures, internal mammary artery, tissue ingeneering


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