isolating nuclei from fat tissue

Keith Hoek -BIOCHEM hoek at
Thu Feb 22 20:55:35 EST 1996

mman at (Michael Man) writes:
You could try a method used for obtaining nuclei from adipose tissue (guinea
pig) detailed in Enan and Matsumara, 1995, Biochemical Pharmacology, Vol 49
No 2, pp 249-261.

good luck

>	Does anybody have experience on isolating nulcei from fat tissue?
>I am currently struggling with this problem.  Fat, as a tough connective 
>tissue, is resistant to glass bounce homogenization.  I can only get very 
>tiny amount of nuclei from 20 mice!  It's almost depressing to look what 
>I got.  
>	People in my lab suggested to use collagenase to digest fat 1st.  But 
>I am concerned about the o/n incubation with collagenase may introduce 
>artifacts to my experiment (DNase 1 hypersensitive site analysis, 
>comparing fasted and fed mice).  The other option is to use Polytron at 
>low speed and hope that the nuclei will survive (I have serious doubt).
>	Your suggestion is greatly appreciated!

Keith Hoek                                      hoek at

mRNA transport

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