Labour MP Kelvin Hopkins has called for the Government to take a stake in AstraZeneca in order to protect it from a hostile takeover.
The Luton politician said if that wasn't enough to the firm from Pfizer, then nationalisation should be an option.
He made the call on last night's Anglia Later Edition programme.
However, Mid Norfolk Conservative George Freeman said such a move would be catastrophic, and would stop British patients accessing new drugs.
The Cambridge company at the heart of an international take over row is warning uncertainty over its future could interfere with research.
This morning Pfizer has "gone hostile", not with a renewed bid but with an appeal made directly to the shareholders of AstraZeneca.