For full functionality of this site it is necessary to enable JavaScript. Here are the instructions how to enable JavaScript in your web browser. Lev Starikov Institution: City College of New York Program: Biology Subprogram: Molecular, Cellular, and Developmental Biology Alumni Information Graduated: 2019 Dissertation: The integration of multiple sources of Sonic Hedgehog in the spinal cord contribute to the production of first-born oligodendrocyte precursor cells which become critical for synapse remodeling in response to adult motor neuron injury