Shreffler:Milk Program

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(Procedure)
(References)
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#Lyons pmid=8176234
#Lyons pmid=8176234
#Fuss pmid=19347849
#Fuss pmid=19347849
 +
#Shreffler pmid=19130927
</biblio>
</biblio>

Revision as of 15:48, 27 July 2009

Contents

Overview

CFSE is used to fluorescently label live cells in order to track them. 5,6-CFDA/SE is membrane permeable, but trapped in the cell when converted by intracellular esterases. CFSE is equally partitioned to daughter cells during division and can be used to measure cell proliferation.


T regulatory Assay

Materials

  • 15 mL polypropylene tubes
  • PBS
  • 5,6-CFDA/SE Invitrogen C1157 dissolved in DMSO at 5 mM and stored at -20°C.

Procedure

Isolation of Mononuclear Cells


CFSE labelling of 7day culture cells

  1. Suspend PBMCs at 10x106 cells/mL in PBS alone.
  2. Ensure that cells are uniformly suspended when CFSE is added.
  3. If CFSE negative control is needed, remove cells now.
  4. Make '2X' concentration (10 μM) in PBS
    • For example: add 5 mL PBS + 10 μL 5 mM CFSE
  5. Combine 1:1 PBMC cells + CFSE (e.g. 5 mL PBMCs + 5 mL CFSE) in 15mL tube and mix completely.
  6. Place in 37°C H2O bath x 10 min.
  7. Wash in 10 mL complete medium.
  8. Resuspend in medium at desired density


Proliferation Assay

Discussion

discuss this protocol

References

  1. Lyons AB and Parish CR. . pmid:8176234. PubMed HubMed [Lyons]
  2. Fuss IJ, Kanof ME, Smith PD, and Zola H. . pmid:19347849. PubMed HubMed [Fuss]
  3. Shreffler WG, Wanich N, Moloney M, Nowak-Wegrzyn A, and Sampson HA. . pmid:19130927. PubMed HubMed [Shreffler]
All Medline abstracts: PubMed HubMed

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