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Fig. 6. Cl- removal triggers rapid pHi increases in
oocytectomised (OOX) cumulus-oocyte complexes. (A) Examples of OOX
complexes produced by aspirating the oocyte from within cumulus-oocyte
complexes (see Materials and methods). (B) pHi was recorded
during removal of Cl- (at 10 minutes) in SNARF-AM loaded complexes.
Cl- removal caused a very rapid increase in pHi
(0.91±0.02 pH units/minute). Data shown is the average of three
replicates, from a total of 11 complexes. Inset shows an example of
fluorescence images of OOX complexes.