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J Formos Med Assoc. 2015 Nov;114(11):1105-15. doi: 10.1016/j.jfma.2014.04.005. Epub 2014 May 27.

Engraftment of mouse amniotic fluid-derived progenitor cells after in utero transplantation in mice.

Author information

1
Institute of Biotechnology, National Taiwan University, Taipei, Taiwan, ROC; Department of Orthopaedics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC.
2
Institute of Biotechnology, National Taiwan University, Taipei, Taiwan, ROC.
3
Department of Orthopaedics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC. Electronic address: doc20281@gmail.com.
4
Institute of Biotechnology, National Taiwan University, Taipei, Taiwan, ROC. Electronic address: scw01@ntu.edu.tw.

Abstract

BACKGROUND/PURPOSE:

Amniotic fluid-derived progenitor cells (AFPCs) are oligopotent and shed from the fetus into the amniotic fluid. It was reported that AFPCs express stem cell-like markers and are capable of differentiating into specific cell type in in vitro experiments. However, no study has fully investigated the potentiality and destiny of these cells in in vivo experiments.

METHODS:

Ds-red transgenic mice (on Day 13.5 of pregnancy) were transplanted in utero with enhanced green fluorescent protein-labeled mouse AFPC (EGFP-mAFPCs). After birth, baby mice were euthanized at 3-week intervals beginning 3 weeks postnatally, and the specimens were examined by polymerase chain reaction, histology, and flow cytometry.

RESULTS:

Our results demonstrate the transplantability of mAFPCs into all three germ layers and the potential of mAFPCs in the study of progenitor cell homing, differentiation, and function. Engraftment of EGFP-mAFPCs was detected in the intestine, kidney, muscle, skin, bladder, heart, stomach, etc., at 3 weeks after delivery.

CONCLUSION:

This model using EGFP-mAFPCs injected in utero may provide an ideal method for determining the fate of transplanted cells in recipients and these findings may justify a clinical trial of in utero transplantation during gestation for patients who have inherited genetic disorders.

KEYWORDS:

Ds-red transgenic mice; amniotic fluid-derived progenitor cells; germ layers; in utero transplantation

PMID:
24875587
DOI:
10.1016/j.jfma.2014.04.005
[Indexed for MEDLINE]
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