Before treatment, establish selenium and vitamin B12 status of stock and/or pasture cobalt levels
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Immunofluorescence staining of oocytes After a brief rinse with PBS/0.05% polyvinylpyrrolidone (to prevent adhesion), the oocytes were permeabilized with 0.5% Triton X-100/PHEM for 5 min, fixed in 3.7% PFA/PHEM (18.14 g PIPES, 6.5 g HEPES, 3.8 g EGTA, 0.99 g MgSO4, pH 7.0 w/KOH) for 20 min, and washed three times (10 min each) with PBS/polyvinylpyrrolidone
This map provides a kind of blueprint, showing how key parts of the heartlike the pacemaker system, heart valves, and the wall between the upper chambersform and function, says Enik Lzr, co-lead author of the study
(Van Wagoner et al., JAMA, 2017) The practical implications of this data matter more than the headline number
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