<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Form 10-Q for the quarter ended June 30, 2000 and is qualified in its entirety
by reference to such financial statements.
</LEGEND>
<CIK> 0000829549
<NAME> ADVANCED TISSUE SCIENCES, INC.
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 17,878
<SECURITIES> 4,992
<RECEIVABLES> 6,698
<ALLOWANCES> 0
<INVENTORY> 183
<CURRENT-ASSETS> 31,163
<PP&E> 33,139
<DEPRECIATION> (17,851)
<TOTAL-ASSETS> 49,504
<CURRENT-LIABILITIES> 20,196
<BONDS> 7,692
0
0
<COMMON> 598
<OTHER-SE> 20,679
<TOTAL-LIABILITY-AND-EQUITY> 49,504
<SALES> 6,618
<TOTAL-REVENUES> 13,673
<CGS> 6,618
<TOTAL-COSTS> 22,397
<OTHER-EXPENSES> 0
<LOSS-PROVISION> (7,255)
<INTEREST-EXPENSE> (924)
<INCOME-PRETAX> (15,727)
<INCOME-TAX> 0
<INCOME-CONTINUING> (15,727)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (15,727)
<EPS-BASIC> (.27)
<EPS-DILUTED> (.27)
</TABLE>