NEW YORK (Standard&Poor's) Aug. 3, 2007--Standard&Poor's Ratings Services raised its rating on Rochester (Mayo Clinic), MN Morgan Stanley Bank liquidity facility-backed variable demand revenue bonds series 2000A to 'AA/A-1+' from 'AA/A-1'. This action follows Standard&Poor's July 30, 2007, upgrade of Morgan Stanley Bank to 'AA-/A-1+' from 'A+/A-1'. The long-term component of the rating is based on the obligor, Mayo Clinic (AA). The short-term component of the rating is based solely on the liquidity facility provided by Morgan Stanley Bank scheduled to expire on Jan. 17, 2008.