HTTP Proxy & Syndicated Content with international text corrupted

If I see site as registered user - corrupted only title of Asset and admin-control's alt text (small picture attached)

If I see site as unregistered user (visitor) - corrupted whole text around Asset. Text is inwardly Asset displayed correctly. (full screen picture attached)

Text of fields is written to database with correct charset.

Vladimir Vitkovsky
http://www.webgui.uanet.biz/
http://web-octopus.com
http://www.transport.su/