Abstract:
:Nerve growth factor (NGF) immobilization on a culture substrate may dramatically reduce the amount of NGF required for pheochromocytoma (PC12) cell culture. Coverslips on which NGF had been immobilized, or with NGF added to the culture medium daily, were used to culture PC12 cells. We examined the effects of adding 5, 10, or 100 ng of NGF to cultures daily, and compared them to the effects of immobilizing 5, 10, or 100 ng of NGF on culture substrates in a single dose. Cultures with 10 or 5 ng NGF added daily showed dramatically decreased cell viability, mitochondrial metabolic activity, and neuronal differentiation compared to cultures with 100 ng NGF added daily, while also exhibiting increased apoptosis. In contrast, a single dose of 100 ng immobilized NGF yielded results similar to 100 ng NGF added daily (total: 300 ng over 3 days), and 10 or 5 ng immobilized NGF showed far better results than 10 or 5 ng NGF added daily. These results demonstrate that NGF immobilization can dramatically reduce the amount of NGF required in neuronal cell culture.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Bhang SH,Lee TJ,Yang HS,La WG,Han AM,Kwon YH,Kim BSdoi
10.1016/j.bbrc.2009.03.016subject
Has Abstractpub_date
2009-05-01 00:00:00pages
315-20issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(09)00468-9journal_volume
382pub_type
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