sentence: Two further effects ascribed to the agonism of FFAR4 were examined with the tool agonist , whereby it could be demonstrated that TUG-891 and aLa both stimulated the increase in glucose uptake by adipocytes ; however , this has a low potency when compared to the EC values derived from the recombinant systems , but is comparable to the results based on the endogenously expressed receptor in HT29 cells .