Journal of ethnopharmacology · 2025
The effect and mechanism of Codonopsis Radix and its active components tangshenoside I and lobetyolin on preventing gastric ulcer based on spectrum-effect relationship.
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Chen Qianping, Sun Yuting, Hu Xianrun, Xie Qi, Liu Wenkang, Lei Jinchun, Cheng Xuemei, Li Wenyan, Wang Changhong
Аннотация
ETHNOPHARMACOLOGICAL RELEVANCE: Gastric ulcer (GU) is a prevalent gastrointestinal disease. Codonopsis Radix (CR), including three species of Codonopsis pilosula (Franch.) Nannf. (CP), C. pilosula Nannf. var. modesta (Nannf.) L. T. Shen (CPM) and C. tangshen Oliv. (CT), is a traditional Chinese herb widely used to enhance the function of the spleen and regulate the gastrointestinal tract, which is effective in treating GU. Nevertheless, the pharmacodynamic material basis and underline mechanism of CR for the gastroprotection remains unknown.
AIM OF THE STUDY: This study aims to explore the gastroprotective efficacy and potential mechanistic of different species and fractions from CR on ethanol-induced rat GU model, and to clarify the active substances that expressed pharmacological effects based on spectrum-effect relationship study.
MATERIALS AND METHODS: Ethanol extracts from three different species of CR and different fractions from extract of CPM were administered orally to rats once daily with dosage of 3, 9, 18 g/kg for 7 days prior to the ethanol-induced GU model being established. After modeling, samples were taken for histopathological and biochemical analysis to elucidate the mechanism. In addition, grey relational analysis (GRA) was utilized to establish the relationship between pharmacodynamic indices and chromatographic patterns. And then, the anti-GU effects of underline active ingredients tangshenoside I (TSI) and lobetyolin (LBT) were further validated.
RESULT: Pretreatment with the different species and fractions of CR could effectively improve gastric damage and reduce ulcer index in rats, with CPM showing the best efficacy. The activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) were enhanced while the malondialdehyde (MDA) level was decreased, suggesting antioxidant effects. Additionally, they demonstrated anti-inflammatory properties by regulating the concentrations of inflammatory markers such as interleukin-6 (IL-6), interleukin-1 beta (IL-1β), tumor necrosis factor-alpha (TNF-α), myeloperoxidase (MPO), and nitric oxide (NO). Furthermore, the results of the spectrum-effect relationship and pharmacodynamic validation showed that TSI and LBT could be considered as the main components of CR for treating GU.
CONCLUSION: CR has a good effect on preventing GU. TSI and LBT are potentially active compounds in the gastroprotective effects of CR. Altogether, they exert the anti-GU effect through anti-inflammatory and antioxidant pathways.
AIM OF THE STUDY: This study aims to explore the gastroprotective efficacy and potential mechanistic of different species and fractions from CR on ethanol-induced rat GU model, and to clarify the active substances that expressed pharmacological effects based on spectrum-effect relationship study.
MATERIALS AND METHODS: Ethanol extracts from three different species of CR and different fractions from extract of CPM were administered orally to rats once daily with dosage of 3, 9, 18 g/kg for 7 days prior to the ethanol-induced GU model being established. After modeling, samples were taken for histopathological and biochemical analysis to elucidate the mechanism. In addition, grey relational analysis (GRA) was utilized to establish the relationship between pharmacodynamic indices and chromatographic patterns. And then, the anti-GU effects of underline active ingredients tangshenoside I (TSI) and lobetyolin (LBT) were further validated.
RESULT: Pretreatment with the different species and fractions of CR could effectively improve gastric damage and reduce ulcer index in rats, with CPM showing the best efficacy. The activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) were enhanced while the malondialdehyde (MDA) level was decreased, suggesting antioxidant effects. Additionally, they demonstrated anti-inflammatory properties by regulating the concentrations of inflammatory markers such as interleukin-6 (IL-6), interleukin-1 beta (IL-1β), tumor necrosis factor-alpha (TNF-α), myeloperoxidase (MPO), and nitric oxide (NO). Furthermore, the results of the spectrum-effect relationship and pharmacodynamic validation showed that TSI and LBT could be considered as the main components of CR for treating GU.
CONCLUSION: CR has a good effect on preventing GU. TSI and LBT are potentially active compounds in the gastroprotective effects of CR. Altogether, they exert the anti-GU effect through anti-inflammatory and antioxidant pathways.