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RNA-seq of transplanted pluripotent stem cells-derived human intestinal organoids upon mechanical lengthening and human jejunum tissues

ABSTRACT: Human Intestinal Organoids (HIOs) generated from embryonic and/or induced pluripotent stem cell lines offer an avenue to study both developmental and human specific disease states. Recently, progress has been made in scaling and maturing these inherently immature tissues through transplanting them in vivo. However, these resultant grafts best approximate fetal intestinal tissue thus limiting their utility. To induce growth and maturation of HIOs we used a nitinol spring device to mechanically induce enterogenesis of HIO in vivo. HIOs are cultured prior to implantation within the mesentery of immunodeficient mice. They are allowed to grow, vascularize, and mature before a second procedure is performed wherein a compressed nitinol spring is implanted within the lumen of the transplanted HIO (tHIO). Next Generation RNA sequencing was performed across transplanted samples as well as on human surgical samples to highlight the transcriptional similarities and differences between groups. Transcriptionally, the tHIO+S samples were more similar to human tissues than the tHIO. With these initial experiments, we concluded that the application of an intraluminal uniaxial force is a practical method to induce maturation of tHIOs in vivo without concomitant architectural disruptions. While our current system does lack certain complexities, we have demonstrated enterogenesis by means of mechanical manipulation.

INSTRUMENT(S): Illumina HiSeq 2000

ORGANISM(S): Homo sapiens

SUBMITTER: Holly Poling

PROVIDER: E-MTAB-6017 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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