[Lewis Thomson (OP)]

Martin has been thinking about this and would like some extra insight.

"If the gut has a mechanism to stop our food causing an allergic reaction to the proteins we ingest; is it possible to use excised pieces of gut to house foreign transplanted organs (i.e. kidney) and in so doing NOT get rejection."

Leave your findings in the comments below...

[alancalverd]

Pieces of liver certainly help with most major transplants, but tissue rejection (local failure to thrive)  isn't the same as allergy (systemic reaction to an allergen).