Nikkei dips after sharp rally; reflation bets lend support

* Profit-taking dents Nikkei but Topix edges higher * Real estate stocks and other reflation bets support market * Further gains in Nikkei expected towards April - analyst By Ayai Tomisawa TOKYO, March 1 (Reuters) - Japan's Nikkei stock average edged lower on Friday after a sharp rise the previous day, but interest in real estate stocks and other reflation bets following the appointment of a new central bank chief continued to lend firm support to the market. The Nikkei shed