Apparently PPHM is not the only company trying to disable these PS immunosuppression signals. That should scares the bejesus out pphm fans.
Why? When they can match (or better) the efficacy, the safety, and also bypass the intellectual property protections one can think about it. Until then, I say "party all night" !!
Also, you may want to look up the presentation made by SK at Roth. (see CJ's sticky at the top - slides # 7 & 8)