title: Deformability study of breast cancer cells using microfluidics.
abstract: Cell deformability is an important biomarker which can be used to distinguish between healthy and diseased cells. In this study, microfluidics is used to probe the biorheological behaviour of breast cancer cells in an attempt to develop a method to distinguish between non-malignant and malignant cells. A microfabricated fluidic channel design consisting of a straight channel and two reservoirs was used to study the biorheological behaviour of benign breast epithelial cells (MCF-10A) and non-metastatic tumor breast cells (MCF-7). Quantitative parameters such as entry time (time taken for the cell to squeeze into the microchannel) and transit velocity (speed of the cell flowing through the microchannel) were defined and measured from these studies. Our results demonstrated that a simple microfluidic device can be used to distinguish the difference in stiffness between benign and cancerous breast cells. This work lays the foundation for the development of potential microfluidic devices which can subsequently be used in the detection of cancer cells.
authors.affiliation: NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore, Singapore.
authors.forename: H W
authors.initials: HW
authors.lastname: Hou
authors.forename: Q S
authors.initials: QS
authors.lastname: Li
authors.forename: G Y H
authors.initials: GY
authors.lastname: Lee
authors.forename: A P
authors.initials: AP
authors.lastname: Kumar
authors.forename: C N
authors.initials: CN
authors.lastname: Ong
authors.forename: C T
authors.initials: CT
authors.lastname: Lim
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D000328:Adult; D000368:Aged; D001940:Breast / Q000166:cytology; D001943:Breast Neoplasms / Q000473:pathology*; D018929:Cell Culture Techniques; D002460:Cell Line; D045744:Cell Line, Tumor; D048429:Cell Size; D004548:Elasticity; D004847:Epithelial Cells / Q000473:pathology*; D004867:Equipment Design; D005260:Female; D006801:Humans; D046210:Microfluidic Analytical Techniques / Q000295:instrumentation*; D044085:Microfluidics / Q000379:methods*; D012212:Rheology