Oct 15 (Reuters) - Celgene Corp:
* Celgene and Mesoblast extend agreement
* Mesoblast - agreed with Celgene Corporation (O:CELG) to extend for a period of six
months celgene's right of first refusal
* Source text for Eikon ID:nGNXVEPTNa
* Further company coverage [CELG.O MSB.AX CELG.O MSB.AX]