Updated from 10/22/10Updated to include information about a seventh bank failure on Friday. WASHINGTON ( TheStreet) -- Regulators Friday shuttered seven banks spread across five states, bringing the total number of U.S. bank failures for 2010 to 139. The bank closures cost the Federal Deposit Insurance Corp.'s insurance fund a combined $461.8.2 million. The agency found buyers for all of the failed institution save one, and there were some losses to depositors with uninsured balances. Six of the seven failed banks were previously included in TheStreet's Bank Watch List of undercapitalized institutions, based on second-quarter regulatory data provided by SNL Financial.