The ANO10 Knockout A-549 Polyclonal Cells constitute a CRISPR/Cas9-edited polyclonal cell population in which the ANO10 gene has been disrupted, resulting in a functional loss-of-function model. This polyclonal knockout pool, generated in the human A-549 lung adenocarcinoma epithelial cell line, enables robust investigation of ANO10-dependent processes without clonal artifacts. As a heterogeneous population, these cells provide a physiologically relevant background for studying gene function, complementation, and drug responses.
The parental A-549 cell line, originally isolated from a 58-year-old Caucasian male with lung adenocarcinoma, is a widely used model for non-small cell lung cancer (NSCLC) research. Possessing a hypotriploid karyotype, A-549 cells retain key features of lung epithelial cells and are extensively employed to examine cancer cell biology, including proliferation, migration, invasion, and therapeutic resistance. This host provides a disease-relevant context for dissecting the tumorigenic roles of ANO10.
ANO10 encodes a calcium-activated chloride channel (CaCC) with additional phospholipid scramblase activity. Upon elevation of intracellular calcium (Ca2+), ANO10 is activated through binding of calmodulin, a Ca2+ sensor, and modulated by phosphatidylinositol 4,5-bisphosphate (PIP2). Channel opening mediates chloride (Cl-) efflux, driving regulatory volume decrease and altering membrane potential. Concurrent scramblase activity externalizes phosphatidylserine (PS), a hallmark of apoptosis and cell?Ccell recognition. Thus, ANO10 integrates Ca2+ signaling with ion flux and lipid asymmetry, impacting cell volume regulation, apoptosis, and membrane dynamics.
In lung cancer cells, ANO10 may influence processes such as cell migration, invasion, and drug sensitivity through modulation of volume regulation and PS exposure. Disrupting ANO10 in A-549 cells eliminates these Ca2+-driven outputs, enabling the dissection of channel-specific contributions to NSCLC pathogenesis. This polyclonal knockout model is particularly suited for functional screens, electrophysiological studies, and assays probing the role of scramblase activity in apoptosis evasion or therapy-induced cell death.
Researchers can utilize these cells in a range of experimental workflows, including patch-clamp electrophysiology to characterize Ca2+-activated Cl- currents, annexin V binding assays to quantify PS externalization, and cell volume measurements using light scattering or microscopy. Further applications encompass wound healing and migration assays, MTT viability tests for drug resistance profiling, and calcium imaging with Fluo-4 or Fura-2. For additional details or technical support regarding this product, please contact Ascent Research.
