1
|
Nam Y, Kim HJ, Kim YM, Chin YW, Kim YK, Bae HS, Nam JH, Kim WK. Activation of transient receptor potential vanilloid 3 by the methanolic extract of Schisandra chinensis fruit and its chemical constituent γ-schisandrin. Korean J Physiol Pharmacol 2017; 21:309-316. [PMID: 28461773 PMCID: PMC5409111 DOI: 10.4196/kjpp.2017.21.3.309] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 12/29/2016] [Accepted: 12/29/2016] [Indexed: 01/12/2023]
Abstract
Transient receptor potential vanilloid 3 (TRPV3) is a non-selective cation channel with modest permeability to calcium ions. It is involved in intracellular calcium signaling and is therefore important in processes such as thermal sensation, skin barrier formation, and wound healing. TRPV3 was initially proposed as a warm temperature sensor. It is activated by synthetic small-molecule chemicals and plant-derived natural compounds such as camphor and eugenol. Schisandra chinensis (Turcz.) Baill (SC) has diverse pharmacological properties including antiallergic, anti-inflammatory, and wound healing activities. It is extensively used as an oriental herbal medicine for the treatment of various diseases. In this study, we investigated whether SC fruit extracts and seed oil, as well as four compounds isolated from the fruit can activate the TRPV3 channel. By performing whole-cell patch clamp recording in HEK293T cells overexpressing TRPV3, we found that the methanolic extract of SC fruit has an agonistic effect on the TRPV3 channel. Furthermore, electrophysiological analysis revealed that γ-schisandrin, one of the isolated compounds, activated TRPV3 at a concentration of 30 µM. In addition, γ-schisandrin (~100 µM) increased cytoplasmic Ca2+ concentrations by approximately 20% in response to TRPV3 activation. This is the first report to indicate that SC extract and γ-schisandrin can modulate the TRPV3 channel. This report also suggests a mechanism by which γ-schisandrin acts as a therapeutic agent against TRPV3-related diseases.
Collapse
Affiliation(s)
- Yuran Nam
- Department of Physiology, Dongguk University College of Medicine, Gyeongju 38066, Korea.,Channelopathy Research Center (CRC), Dongguk University College of Medicine, Goyang 10326, Korea
| | - Hyun Jong Kim
- Department of Physiology, Dongguk University College of Medicine, Gyeongju 38066, Korea.,Channelopathy Research Center (CRC), Dongguk University College of Medicine, Goyang 10326, Korea
| | - Young-Mi Kim
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang 10326, Korea
| | - Young-Won Chin
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang 10326, Korea
| | - Yung Kyu Kim
- Department of Physiology, Dongguk University College of Medicine, Gyeongju 38066, Korea
| | - Hyo Sang Bae
- Department of Sasang Constitutional Medicine, College of Korean Medicine, Dongguk University, Goyang 10326, Korea
| | - Joo Hyun Nam
- Department of Physiology, Dongguk University College of Medicine, Gyeongju 38066, Korea.,Channelopathy Research Center (CRC), Dongguk University College of Medicine, Goyang 10326, Korea
| | - Woo Kyung Kim
- Channelopathy Research Center (CRC), Dongguk University College of Medicine, Goyang 10326, Korea.,Department of Internal Medicine, Graduate School of Medicine, Dongguk University, Goyang 10326, Korea
| |
Collapse
|
2
|
Lyles JT, Tyler P, Bradbury EJ, Nelson K, Brown CF, Pierce ST, Quave CL. Comparative Phytochemical Analysis of Chinese and Bay Starvine (Schisandra spp.): Potential for Development as a New Dietary Supplement Ingredient. J Diet Suppl 2017; 14:640-652. [PMID: 28384001 DOI: 10.1080/19390211.2017.1304483] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Schisandra chinensis (Chinese starvine) is a popular dietary supplement with a rich history of use in traditional Chinese medicine. Schisandra glabra (bay starvine) is the only North American representative of the genus, and little is known about its history of traditional use, chemistry, and potential biological activity. In this study, we conducted comparative high-performance liquid chromatography-diode array detector (HPLC-DAD) analysis on S. glabra and S. chinensis fruits. Additional characterization of S. glabra was performed by liquid chromatography-Fourier transform mass spectrometry (LC-FTMS). Quantitative analysis of four bioactive marker compounds revealed that S. glabra does not have statistically higher levels of schisandrin A or schisandrol B than S. chinensis. S. glabra has lower levels of schisandrol A and γ-schisandrin. Total phenolic contents of the two species' fruits were not statistically different. S. glabra had higher total tannin content than S. chinensis. We discuss the relevance of this analytical analysis to the study of S. glabra as a potential dietary supplement ingredient and give specific consideration to the conservation challenges involved in commercially developing a regionally threatened species, even in semicultivated conditions.
Collapse
Affiliation(s)
- James T Lyles
- a Center for the Study of Human Health, Emory College of Arts and Sciences , Atlanta , GA , USA.,b The Bent Creek Institute , Asheville , NC , USA
| | - Paula Tyler
- a Center for the Study of Human Health, Emory College of Arts and Sciences , Atlanta , GA , USA
| | - E Jane Bradbury
- c Emory Herbarium, Emory College of Arts and Sciences , Atlanta , GA , USA.,d Herbal Anthropology Project , San Francisco , CA , USA
| | - Kate Nelson
- e Department of Dermatology , Emory University School of Medicine , Atlanta , GA , USA
| | - Carl F Brown
- f Department of Environmental Sciences , Emory College of Arts and Sciences , Atlanta , GA , USA
| | - Stefanie T Pierce
- f Department of Environmental Sciences , Emory College of Arts and Sciences , Atlanta , GA , USA
| | - Cassandra L Quave
- a Center for the Study of Human Health, Emory College of Arts and Sciences , Atlanta , GA , USA.,c Emory Herbarium, Emory College of Arts and Sciences , Atlanta , GA , USA.,e Department of Dermatology , Emory University School of Medicine , Atlanta , GA , USA
| |
Collapse
|