 studi gener shwartzman reaction induc diet vi effect pregnanc lipid composit serum tissu pregnanc induc profound alter lipid composit serum tissu 1 elev total serum lipid phospholipid triglycerid free fatti acid cholesterol 2 total lipid liver kidnei increas depot fat decreas 3 palmit oleat increas serum liver 4 arachidon stearat decreas serum liver 5 placenta stearat organ pregnant rat higher water content decreas depot total fat elev serum liver kidnei total fat elev serum free fatti acid pregnanc induc mobil depot fat increas proport liver serum palmit suggest pregnanc induc increas lipogenesi acet pool appear increas amount long-chain fatti acid liver increas intak dietari fat decreas arachidon stearat serum liver suggest rel decreas mitochondri fatti acid synthesi 