A morphogenetic EphB/EphrinB code controls hepatopancreatic duct formation
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A morphogenetic EphB/EphrinB code controls hepatopancreatic duct formation. / Thestrup, M Ilcim; Caviglia, Sara; Cayuso, Jordi; Heyne, Ronja L S; Ahmad, Racha; Hofmeister, Wolfgang; Satriano, Letizia; Wilkinson, David G; Andersen, Jesper B; Ober, Elke A.
I: Nature Communications, Bind 10, Nr. 1, 5220, 19.11.2019.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - A morphogenetic EphB/EphrinB code controls hepatopancreatic duct formation
AU - Thestrup, M Ilcim
AU - Caviglia, Sara
AU - Cayuso, Jordi
AU - Heyne, Ronja L S
AU - Ahmad, Racha
AU - Hofmeister, Wolfgang
AU - Satriano, Letizia
AU - Wilkinson, David G
AU - Andersen, Jesper B
AU - Ober, Elke A
PY - 2019/11/19
Y1 - 2019/11/19
N2 - The hepatopancreatic ductal (HPD) system connects the intrahepatic and intrapancreatic ducts to the intestine and ensures the afferent transport of the bile and pancreatic enzymes. Yet the molecular and cellular mechanisms controlling their differentiation and morphogenesis into a functional ductal system are poorly understood. Here, we characterize HPD system morphogenesis by high-resolution microscopy in zebrafish. The HPD system differentiates from a rod of unpolarized cells into mature ducts by de novo lumen formation in a dynamic multi-step process. The remodeling step from multiple nascent lumina into a single lumen requires active cell intercalation and myosin contractility. We identify key functions for EphB/EphrinB signaling in this dynamic remodeling step. Two EphrinB ligands, EphrinB1 and EphrinB2a, and two EphB receptors, EphB3b and EphB4a, control HPD morphogenesis by remodeling individual ductal compartments, and thereby coordinate the morphogenesis of this multi-compartment ductal system.
AB - The hepatopancreatic ductal (HPD) system connects the intrahepatic and intrapancreatic ducts to the intestine and ensures the afferent transport of the bile and pancreatic enzymes. Yet the molecular and cellular mechanisms controlling their differentiation and morphogenesis into a functional ductal system are poorly understood. Here, we characterize HPD system morphogenesis by high-resolution microscopy in zebrafish. The HPD system differentiates from a rod of unpolarized cells into mature ducts by de novo lumen formation in a dynamic multi-step process. The remodeling step from multiple nascent lumina into a single lumen requires active cell intercalation and myosin contractility. We identify key functions for EphB/EphrinB signaling in this dynamic remodeling step. Two EphrinB ligands, EphrinB1 and EphrinB2a, and two EphB receptors, EphB3b and EphB4a, control HPD morphogenesis by remodeling individual ductal compartments, and thereby coordinate the morphogenesis of this multi-compartment ductal system.
U2 - 10.1038/s41467-019-13149-7
DO - 10.1038/s41467-019-13149-7
M3 - Journal article
C2 - 31745086
VL - 10
JO - Nature Communications
JF - Nature Communications
SN - 2041-1723
IS - 1
M1 - 5220
ER -
ID: 230742431