Human Progenitor Cell Quantification After Xenotransplantation in Rat and Mouse Models by a Sensitive qPCR Assay
Xenotransplantation of human cells in animal models is an essential tool for evaluation of safety and efficacy of cell-based products for therapeutic use. Sensitive and reproducible methods are needed to detect and quantify human cells engrafted into the host tissue either in the targeted organ or in undesired locations. We developed a robust quantitative polymerase chain reaction (qPCR) assay based on amplification of human AluYb8 repeats, to assess the number of human cells present in rat or mouse tissues after transplantation. Standard curves of mixed human/rodent DNA and mixed human/rodent cells have been performed to determine the limit of detection and linear range of the assay. Standard curves from DNA mixing differed significantly from standard curves from cell mixing. We show here that the AluYb8 qPCR assay is highly reproducible and is able to quantify human cells in a rodent cell matrix over a large linear range that extends from 50% to 0.01% human cells. Short-term in vivo studies showed that human cells could be quantified in mouse liver up to 7 days after intrasplenic transplantation and in rat liver 4 h after intrahepatic transplantation..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2015 |
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| Erschienen: |
2015 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
Cell transplantation - 24(2015), 8, Seite 1639-1652 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Prigent, Julie [VerfasserIn] |
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| Links: |
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| doi: |
10.3727/096368914X681955 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Xenotransplantation of human cells in animal models is an essential tool for evaluation of safety and efficacy of cell-based products for therapeutic use. Sensitive and reproducible methods are needed to detect and quantify human cells engrafted into the host tissue either in the targeted organ or in undesired locations. We developed a robust quantitative polymerase chain reaction (qPCR) assay based on amplification of human AluYb8 repeats, to assess the number of human cells present in rat or mouse tissues after transplantation. Standard curves of mixed human/rodent DNA and mixed human/rodent cells have been performed to determine the limit of detection and linear range of the assay. Standard curves from DNA mixing differed significantly from standard curves from cell mixing. We show here that the AluYb8 qPCR assay is highly reproducible and is able to quantify human cells in a rodent cell matrix over a large linear range that extends from 50% to 0.01% human cells. Short-term in vivo studies showed that human cells could be quantified in mouse liver up to 7 days after intrasplenic transplantation and in rat liver 4 h after intrahepatic transplantation. | ||
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| 700 | 1 | |a Smets, Françoise |4 oth | |
| 700 | 1 | |a Deblandre, Gisèle A |4 oth | |
| 700 | 1 | |a Sokal, Etienne M |4 oth | |
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