Identification of components that increase NAD+ levels in oxygen-glucose deprived HUVEC s from Schisandra chinensis (Turcz.) Baill. Based on spectrum-effect correlation analysis and target cell extraction
Liwenyu Chen , Yi Yu , Min Lin , Ming Liang , Chen Yang , Xutian Kan , Xiaoliang Lin , Jin Qi
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引用次数: 0
Abstract
Schisandra chinensis (Turcz.) Baill, a traditional Chinese medicine with significant nourishing functions, has a regulatory effect on the cardiovascular system, digestive system, central nervous system, and endocrine and immune systems. It can protect the cardiovascular system, improve immunity, and has anti-oxidant and anti-aging properties. This study aimed to identify the chisandra chinensis components that increased NAD+ levels, by using spectrum-effect analysis and experimental validations. First, the quality of the S. chinensis extract was analyzed by HPLC-MS. The extract of S. chinensis increased the NAD+ levels of HUVECs during oxygen and glucose deprivation injury, and protected HUVEC s from injury from superoxide dismutase (SOD) and aging. The relationships of spectral effects were studied by partial least square regression. Coupled with target cell extraction, the material basis for increasing NAD+ levels in S. chinensis was obtained. The pharmacological activity of S. chinensis was verified at the cellular level. The related enzymes of the NAD+ synthesis and decomposition pathways were identified, showing that S. chinensis increased the level of NAD+ by increasing the activity of related enzymes in the synthesis pathways of NMNAT1, NMNAT2, NMNAT3, and NAMPT, but had no effect on the decomposition pathway. Finally, four constituents were confirmed, in vitro, to be the basis of S. chinensis-induced increases in the levels of NAD+. The EC50 values of the four constituents were also determined.
期刊介绍:
Fitoterapia is a Journal dedicated to medicinal plants and to bioactive natural products of plant origin. It publishes original contributions in seven major areas:
1. Characterization of active ingredients of medicinal plants
2. Development of standardization method for bioactive plant extracts and natural products
3. Identification of bioactivity in plant extracts
4. Identification of targets and mechanism of activity of plant extracts
5. Production and genomic characterization of medicinal plants biomass
6. Chemistry and biochemistry of bioactive natural products of plant origin
7. Critical reviews of the historical, clinical and legal status of medicinal plants, and accounts on topical issues.