<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
condensed financial statements of T Cell Sciences, Inc. for the Three Months
ended March 31, 1997 and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<EXCHANGE-RATE>                                      1
<CASH>                                      12,242,300
<SECURITIES>                                         0
<RECEIVABLES>                                   19,200
<ALLOWANCES>                                         0
<INVENTORY>                                     22,400
<CURRENT-ASSETS>                            12,570,300
<PP&E>                                       3,073,200
<DEPRECIATION>                             (2,572,200)
<TOTAL-ASSETS>                              15,044,900
<CURRENT-LIABILITIES>                        1,358,800
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        25,000
<OTHER-SE>                                  13,661,100
<TOTAL-LIABILITY-AND-EQUITY>                15,044,900
<SALES>                                          1,300
<TOTAL-REVENUES>                                63,400
<CGS>                                              400
<TOTAL-COSTS>                                2,150,800
<OTHER-EXPENSES>                                17,900
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           (170,100)
<INCOME-PRETAX>                            (1,935,600)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (1,935,600)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (1,935,600)
<EPS-PRIMARY>                                   (0.08)
<EPS-DILUTED>                                   (0.08)