CAMBRIDGE, MASS. – Forest City Realty Trust, in a joint venture with Madison International Realty, has closed on the acquisition of the interest of Forest City’s partner in five assets at University Park at MIT in Cambridge. The transaction values the undisclosed partner’s share of the assets at a total of $302 million, including assumption of debt. The assets include three office buildings: 300 Massachusetts Ave., 350 Massachusetts Ave. and 38 Sidney St., comprising a total of 486,000 square feet of life science office space; a 975-space parking facility; and the commercial space adjoining the Le Meridian Cambridge-MIT hotel. Forest City is the 100-percent owner of seven other life science office buildings and four multifamily communities that are also part of the University Park at MIT campus.