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Methods in Cell Science

, Volume 17, Issue 3, pp 165–176 | Cite as

A cone-plate apparatus for the in vitro biochemical and molecular analysis of the effect of shear stress on adherent cells

  • Adel M. Malek
  • Richard Ahlquist
  • Gary H. Gibbons
  • Victor J. Dzau
  • Seigo Izumo
Biotechnology

Abstract

Living cells are constantly exposed to a variety of complex mechanical stimuli which are though to be critical in the control of tissue structure and function. Endothelial and smooth muscle cells in the blood vessel are ideal candidates for the study of blood flow-induced cellular regulation. We describe here a cone-plate viscometer apparatus which is specially-designed for studying the effect of fluid shear stress on large populations of adherent cells in vitro. Using conventional polystyrene tissue culture plates, the apparatus is self-contained, fits inside a standard tissue culture incubator, and provides 75–150 cm2 of useful surface area for cell growth. This capability makes it ideal for studying gene regulation using Northern analysis, nuclear runoff transcription, transfection with reporter constructs, as well as immunochemical staining. The closed-volume design of the device is also well-suited for isotopic labelling, pharmacological studies, and for the detection of minute amounts of secreted cell products. The setup allows the use of either steady, time- and direction-varying laminar, or turbulent shear stress. We provide a detailed assembly procedure and review the method for computing shear stress magnitude and Reynolds number. Ink flow analysis, dynamic response characterization, and LDH measurements are presented to confirm the device's fluid mechanical properties and demonstrate the absence of cell injury.

Key words

Biomechanics Cell culture Endothelium Mechanotransduction Mechanical stress Scientific instruments Rheology 

Abbreviations

BAE

bovine aortic endothelial

LDH

lactic dehydrogenase

TCP

tissue culture plate

UHMW

ultra-high molecular weight

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Copyright information

© Kluwer Academic Publishers 1995

Authors and Affiliations

  • Adel M. Malek
    • 1
  • Richard Ahlquist
    • 1
  • Gary H. Gibbons
    • 2
  • Victor J. Dzau
    • 2
  • Seigo Izumo
    • 3
  1. 1.Department of NeurosurgeryBrigham & Women's Hospital/Children's Hospital and Harvard Medical SchoolBoston
  2. 2.Falk Cardiovascular CenterStanford University Medical SchoolStanford
  3. 3.Cardiovascular Research CenterUniversity of MichiganAnn ArborUSA

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