Simplify the following text for a Grade 12 native English-speaking person.
Original: No one has synthesized a `` protocell '' using basic components which would have the necessary properties of life ( the so-called `` bottom-up-approach '' ) .
Simplified: As of 2008 , no one has yet synthesized a `` protocell '' using basic components which would have the necessary properties of life ( the so-called `` bottom-up-approach '' ) .