The halachic stand regarding stem cell research depends on the source and current state of the cells. In short, if there is still capability to implant the blastocysts and produce life, it is prohibited to destroy them or use them for research. If they have lost this capability it is permitted.
For a more detailed answer, please see the attached links and try to clarify the circumstances in the prospective research lab. You are welcome to contact us again for further guidance in your particular situation.
[See section 5 – Religious views; Section 8 – Recommendations in Israel.]