Intrinsic epigenetic control of angiogenesis in induced pluripotent stem cell-derived endothelium regulates vascular regeneration

DOI: 10.1038/s41536-022-00223-w

Authors: Bria L. Macklin; Ying-Yu Lin; Kevin Emmerich; Emily Wisniewski; Brian M. Polster; Konstantinos Konstantopoulos; Jeff S. Mumm; Sharon Gerecht

Step 1: iPSC/ESC maintainance

day 0 ~ 1

culture “adherent” human PSC in “E8” for “1” days. For ECM, use “Vitronectin” at “N/A” “N/A”. Medium should be changed once in “1” days.

Ideally, “PSC” should be obtained at the end of culture.

Step 2: Primitive streak 1

day 1 ~ 2

culture “adherent” human PSC in “E6 medium” for “1” days. For ECM, use “Vitronectin” at “N/A” “N/A”. Medium should contain factors shown in the following table, and should be changed once in “1” days.

concentrationunit
CHIR6.0e-6mol/l

Step 3: mesoderm 1

day 2 ~ 3 (duration missing in database; assumed 1 day)

culture “unspecified method” human PSC in “alpha MEM”.

Step 4: endothelial 1

day 3 ~ 5

culture “adherent” human PSC in “ECGM” for “2” days. For ECM, use “COL1A1” at “N/A” “N/A”. Medium should contain factors shown in the following table, and should be changed once in “2” days.

concentrationunit
VEGF5.0e-5g/l
VEGF1.0e-5g/l
SB4315421.0e-5mol/l
Y276321.0e-5mol/l

Ideally, “EC” should express “KDR”, “HK1”, “HK2”, “PFKFB3”, “VEGF” at the end of culture.