top of page
XU LABORATORY
INSTITUTE FOR CELL ENGINEERING

DEPARTMENT OF NEUROLOGY | JOHNS HOPKINS SCHOOL OF MEDICINE
3D-Organoid
Bridging complexity: from stem cells to living tissue microenvironments.
Schematic of immune-Vascularized Brain Organoids (iVBOs)
forebrain organoid-based multicellular assembled cerebral organoid (FORMA-CO)

Immune-Vascularized Brain Organoids (iVBO aka FORMA-CO) (link)
Microglia actively monitor the environment within brain organoids


CD31/PDGFRβ
(endothelia & pericytes)



Microglia
iVBO organoid
iVBO (sectioned then immunostained)
Human iPSC for Disease Modeling & Cellular Therapy

Created with BioRender.com
Neural lineages
Multipotent neural stem cells
Enriched Neural Stem Cells
FOXG1/NESTIN
(neural stem cell from hiPSC)
FOXG1 Organoids


Human Cortical Neurons
Layer specific neurons (I - VI)
Balanced excitatory : inhibitory neurons (E/I)
E/I: 2:1 in most cortical areas; rodents have higher E:I ratios (e.g., 5:1)

Created with BioRender.com

Human iPSC-derived Cortical Neurons
Midbrain dopaminergic neurons
TH/MAP2
_JPG.jpg)
Enriched Astrocytes GFAP & DAPI

Crosstalk between neurons and astrocytes
MAP2
GFAP
MAP2/GFAP

EGFP & RFP hiPSC lines

EGFP hiPSC

RFP hiPSC

Mixed EGFP & RFP hiPSC suspension culture
Microglia precursor cells of iPSC-Yolk Sac
(Differentiated from EGFP & RFP hiPSC)

Vascular Endothelia and Pericytes
(Vasculature like meshwork with cardiac microtissues from hiPSC)



Cardiac Tissue
(3D organotypic cardiac microtissues from hiPSC)

Bronchiole (small airway) like structure from hiPSC

iPSC-Neurons in Microfluidic Device

iNEST for Neocortical Function Restoration (stroke or TBI)


GFP-iNEST
bottom of page