(no subject)

From: Nigel_LLEWELLYN_SMITH/Europe@europe.bd.com
Date: Wed Feb 03 1999 - 18:50:35 EST


Greetings Fellow Flow-ers,


>
> I have a customer whose query is pasted in verbatim below - it is
> completely outside my experience and I would be very grateful for an
> answer from anyone who may be able to help.
>
> "Syncytiotrophoblasts (placental cells) do not proliferate therefore I
> would imagine, I would get a different picture than expected. The way
they
> differentiate is by fusing with each other.  Therefore, during the
> analysis, am I likely to have the same signal of a tetraploid and the two
> diploids cells  together at the same point on the graph?  Will the peaks
> of syncytia going to be flatter than expected in comparison with the
> tumour cells when tested?"
>
> Technically, the DDM is 'ON',  the customer is using PI on  Fl2-A and/or
> Fl2-W, at low flow rates, with suitably dilute samples.
>
> My guess is that fused syncytiotrophoblasts will appear in the same
> position as tetraploid/polyploid cells, but with little showing between
> them and 'resting' G0 cells - is this a sensible assumption? In the
> meantime, I've suggested that she sort some peaks and have a look at them
> under a microscope.
>
> With regards and best wishes
>
> Nigel Llewellyn-Smith
> BD UK Ltd
> Between Towns Road
> Oxford
> OX4 3LY
>
> Tel  +44 1865 748 844
> Fax  +44 181 992 8662
>



This archive was generated by hypermail 2b29 : Wed Apr 03 2002 - 11:53:03 EST