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. 2018 Dec 3;9:1382. doi: 10.3389/fphar.2018.01382

Table 1.

Potency of natural bile acids for FXR biding (modified according to Gioiello et al., 2014).

Bile acid species Free carboxylic acid Glycine conjugated bile salt Taurine conjugated bile salt
CDCA (primary) 4.5 μM 10 μM 10 μM
CA (primary) >100 μM >100 μM >100 μM
LCA (secondary) 3.8 μM 4.7 μM 3.8 μM
DCA (secondary) 100 μM >100 μM >100 μM
UDCA (secondary) >100 μM >100 μM >100 μM