The EHD2 Knockout MES-OV Polyclonal Cells represent a CRISPR/Cas9-edited polyclonal knockout cell population derived from the MES-OV human ovarian mesenchymal cell line, engineered to disrupt the EHD2 gene. This loss-of-function model provides a valuable tool for studying endocytic recycling, actin dynamics, and cell migration in a stromal context. The polyclonal nature of the population captures the spectrum of editing events introduced by CRISPR/Cas9-mediated gene disruption, enabling robust functional studies without clonal selection bias.
The MES-OV cell line originates from normal ovarian stroma and serves as a model for ovarian mesenchymal cells. These cells inherently participate in stromal support, extracellular matrix (ECM) remodeling, and paracrine signaling, processes critical for tissue homeostasis and disease progression. The mesenchymal phenotype of MES-OV cells makes them particularly suitable for investigating cytoskeletal reorganization and adhesion dynamics, both of which are regulated by EHD2.
EHD2 is an ATPase that couples membrane remodeling to actin cytoskeleton organization via endocytic recycling. It interacts with EHD1, EHD3, Myoferlin, N-WASP, and Syndapin-2 to regulate Rab5- and Rab11-dependent endosomal trafficking and ARP2/3-mediated actin polymerization. Activated downstream of integrin engagement and growth factor receptors (EGFR, PDGFR) in a calcium-dependent manner, EHD2 controls the recycling of Integrin ??1 and modulates cortactin and cofilin dynamics. Consequently, EHD2 disruption impairs focal adhesion turnover and lamellipodia extension, directly affecting cell migration and adhesion by blocking receptor and integrin recycling.
In the MES-OV stromal context, EHD2 knockout likely disrupts the cell??s ability to remodel the ECM and transmit paracrine signals. Since ovarian mesenchymal cells contribute to the tumor microenvironment by interacting with cancer cells, EHD2 loss may attenuate invasive behavior and stromal support. This model enables the dissection of how endocytic recycling defects alter integrin-dependent adhesion and migration in a cell type relevant to ovarian cancer metastasis and fibrotic diseases.
This polyclonal knockout cell population is ideal for investigating cell migration and invasion in cancer, membrane trafficking mechanisms, and for drug screening of metastasis inhibitors. Researchers can employ scratch wound healing and Transwell migration assays to quantify motility, immunofluorescence to visualize actin stress fibers and focal adhesions, transferrin recycling assays to monitor endocytic traffic, and co-immunoprecipitation to study EHD2 interactors. For detailed information on validation and availability, please contact Ascent Research.
