ArticleBMC research notes2026
Single-cell analysis of anchorage-independent growth ability in pancreatic ductal adenocarcinoma cell lines.
Article in BMC research notes, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveAnchorage-independent growth is a critical feature of cancer cells, reflecting their ability to survive and proliferate without attachment to the extracellular matrix. Spheres—cancerous masses formed in a three-dimensional (3D) anchorage-independent culture—contain a high level of cancer stem cells. This anchorage-independent proliferative capacity closely relates to tumorigenicity, anoikis resistance, and metastatic capability. Pancreatic ductal adenocarcinoma (PDAC) is a heterogeneous group comprising epithelial and mesenchymal features, and these subtypes exhibit different biological characteristics in 3D cultures. This study examines whether these PDAC subtypes differ in their anchorage-independent proliferative capability at the single-cell level.
methodsEight PDAC cell lines, including five epithelial-type and three mesenchymal-type lines, were cultured as single cells in poly (2-methacryloyloxyethyl phosphorylcholine) (MPC) polymer–coated low-attachment microwell plates, and time-lapse imaging was performed every 15 min for 60 h.
resultsThree phenotypes were observed: non-proliferating single cells, cells dividing into two, and those forming clusters of three or four cells. In single-cell analysis, KP4 and MIA PaCa-2 mesenchymal PDAC cells exhibited a high number of cells proliferating into two or more cells.
conclusionThese findings suggest that mesenchymal PDAC cells exhibit greater anchorage-independent proliferative capability, reflecting their aggressive biological behavior.
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