Protocol for transcriptomic and epigenomic analyses of tip-like endothelial cells using scRNA-seq and ChIP-seq.

Area of Science:

• Cell Biology
• Molecular Biology
• Genomics

Background:

• Angiogenesis is a fundamental process involving endothelial cell migration.
• Tip cells and stalk cells have distinct roles in blood vessel sprouting.
• Understanding tip cell behavior is key to studying vascular development and disease.

Purpose of the Study:

• To present a detailed protocol for isolating and analyzing endothelial tip-like cells.
• To enable transcriptomic and epigenomic profiling of these specialized cells.
• To provide a scalable method for diverse omics studies.

Main Methods:

• Stimulation of human umbilical vein endothelial cells (HUVECs) with vascular endothelial cell growth factor (VEGF).
• Generation of tip-like cells in culture.
• Library preparation for single-cell RNA sequencing (RNA-seq) and chromatin immunoprecipitation sequencing (ChIP-seq).
• Data analysis procedures.

Main Results:

• A reproducible protocol for generating and analyzing endothelial tip-like cells was established.
• The protocol facilitates single-cell transcriptomic and epigenomic profiling.
• The method is adaptable for other omics analyses like proteomics and metabolomics.

Conclusions:

• This protocol provides a robust method for studying endothelial tip cells.
• It supports in-depth molecular and epigenetic investigations of angiogenesis.
• The scalability of the protocol makes it valuable for various research applications.