Serrulatane diterpenoids from the leaves of Eremophila glabra and their potential as antihyperglycemic drug leads
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Serrulatane diterpenoids from the leaves of Eremophila glabra and their potential as antihyperglycemic drug leads. / Petersen, Malene Johanne; Liang, Chao; Kjaerulff, Louise; Ndi, Chi; Semple, Susan; Buirchell, Bevan; Coriani, Sonia; Møller, Birger Lindberg; Stærk, Dan.
In: Phytochemistry, Vol. 196, 113072, 2022.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Serrulatane diterpenoids from the leaves of Eremophila glabra and their potential as antihyperglycemic drug leads
AU - Petersen, Malene Johanne
AU - Liang, Chao
AU - Kjaerulff, Louise
AU - Ndi, Chi
AU - Semple, Susan
AU - Buirchell, Bevan
AU - Coriani, Sonia
AU - Møller, Birger Lindberg
AU - Stærk, Dan
PY - 2022
Y1 - 2022
N2 - Eremophila (Scrophulariaceae) is a genus of Australian desert plants, which have been used by Australian Aboriginal people for various medicinal purposes. Crude extracts of the leaf resin of Eremophila glabra (R.Br.) Ostenf. showed α-glucosidase and protein tyrosine phosphatase 1B (PTP1B) inhibitory activity with IC50 values of 19.3 ± 1.2 μg/mL and 11.8 ± 2.1 μg/mL, respectively. Dual α-glucosidase/PTP1B high-resolution inhibition profiling combined with HPLC-PDA-HRMS and NMR were used to isolate and identify the compounds providing these activities. This resulted in isolation of seven undescribed serrulatane diterpenoids, eremoglabrane A-G, together with nine previously identified serrulatane diterpenoids and flavonoids. Three of the serrulatane diterpenoids showed PTP1B inhibitory activities with IC50 values from 63.8 ± 5.8 μM to 104.5 ± 25.9 μM.
AB - Eremophila (Scrophulariaceae) is a genus of Australian desert plants, which have been used by Australian Aboriginal people for various medicinal purposes. Crude extracts of the leaf resin of Eremophila glabra (R.Br.) Ostenf. showed α-glucosidase and protein tyrosine phosphatase 1B (PTP1B) inhibitory activity with IC50 values of 19.3 ± 1.2 μg/mL and 11.8 ± 2.1 μg/mL, respectively. Dual α-glucosidase/PTP1B high-resolution inhibition profiling combined with HPLC-PDA-HRMS and NMR were used to isolate and identify the compounds providing these activities. This resulted in isolation of seven undescribed serrulatane diterpenoids, eremoglabrane A-G, together with nine previously identified serrulatane diterpenoids and flavonoids. Three of the serrulatane diterpenoids showed PTP1B inhibitory activities with IC50 values from 63.8 ± 5.8 μM to 104.5 ± 25.9 μM.
U2 - 10.1016/j.phytochem.2021.113072
DO - 10.1016/j.phytochem.2021.113072
M3 - Journal article
C2 - 34973506
VL - 196
JO - Phytochemistry
JF - Phytochemistry
SN - 0031-9422
M1 - 113072
ER -
ID: 287999202