Figure 7 raw data: Effect of variable exposure to PTHrP (1-36) on bone nodules and AP activity in high plating density cultures.
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RC cell cultures were maintained in control medium for 21 days (C/C), maintained in control medium and changed to medium containing PTHrP (1-36) on day 11 (C/P), treated with 100 nM PTHrP (1-36) for 21 days (P/P), or exposed to 100 nM PTHrP (1-36) for 10 days and then transferred to control medium on day 11 (P/C). The number of bone nodules (A) and AP activity (B) were determined on day 21.