3165
Moreover , some new cardiovascular gene therapy strategies have been highlighted , such as combination of different angiogenic growth factors or simultaneous application of genes and progenitor cells in order to obtain stable and functional blood vessels in ischemic tissue .
 cardiovascular, progenitor cells, blood vessels, tissue
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 cardiovascular, progenitor cells, blood vessels, tissue