

                                  Exhibit 23.1


            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM



We hereby  consent to the  incorporation  by  reference  in this  Post-Effective
Amendment  No. 2 to the  Registration  Statement on Form S-8 of our report dated
March 27, 2007,  relating to the consolidated  financial  statements of NeoStem,
Inc.,  formerly  known as Phase III Medical,  Inc.  appearing  in the  Company's
Annual Report on Form 10-K for the year ended December 31, 2006.



/s/ Holtz Rubenstein Reminick LLP
---------------------------------

Holtz Rubenstein Reminick LLP
Melville, New York
May 24, 2007
