Which of the following statements is not true concerning angiogenic factors?
Please select the single best answer
a. Research has shown that endothelial dysfunction produces an imbalance of pro- and anti-angiogenic factors.
b. Both pro- and anti-angiogenic factors have been studied for their potential use as biomarkers of PE.
c. VEGF is an anti-angiogenic factor that decreases angiogenesis.
d. PlGF is a pro-angiogenic factor that plays a role in angiogenesis during the development and growth of the embryo.