RE: Sorting live cytokine producing cells

From: Guy Hermans (Guy.Hermans@ablynx.com)
Date: Wed Dec 17 2003 - 03:38:02 EST


The Miltenyi system crosslinks anti-cytokine capture antibody to an
anti-CD45 mAb.

 

I didn't try, but I suppose you buy an ELISA "matched pair" anti-cytokine
antibodies, the detection mAb being biotinylated, and crosslink the capture
clone to anti-CD45 or a monoclonal more specific for your cell. Pierce sells
kit for that kind of thing.

 

I guess you'd need an FPLC or HPLC system to formally check for efficient
crosslinking, or purify the crosslinked fraction away from uncrosslinked
anti-surface antigen monoclonal (competitive binder!). Reactivity of the new
conjugate towards your antigens after coupling needs to be checked in FACS
and ELISA, respectively, but that's not too much work either.

 

Regards,

 

Guy  

Guy Hermans, PhD
Ablynx N.V.
Technologiepark 4
9052 Zwijnaarde
Belgium
Phone : +32 9 261 06 23
Fax : +32 9 261 06 27
_______________________________________________

 

-----Original Message-----
From: Joanne Lannigan [mailto:joannelannigan@virginia.edu] 
Sent: Tuesday, December 16, 2003 4:57 PM
To: cyto-inbox
Subject: Sorting live cytokine producing cells

 

I need to be able to sort live IL17 producing T cells. Does anyone have any
ideas on how to achieve this? I thought of the cytokine capture assay but I
could not find anything for IL17. Any suggestions?

Thanks-

Joanne Lannigan, MS

Director, Flow Cytometry Core Facility

University of Virginia

Jordan Hall, Room 7067

P.O. Box 800734

Charlottesville, VA 22908-0734

Office: 434-924-0274

Lab: 434-243-2695

Fax: 434-982-1071

email: joannelannigan@virginia.edu

 



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