Solanesol

Toxicol In Vitro. 2015 Apr;29(3):600-8.

Solanesol protects human hepatic L02 cells from ethanol-induced oxidative injury via upregulation of HO-1 and Hsp70.[Pubmed: 25645596]

METHODS AND RESULTS:
In present study, we showed that the mRNA and protein levels of HO-1 and Hsp70 in Solanesol-treated L02 cells were significantly increased. The induction of the HO-1 by Solanesol is majorly achieved via enhancing the nuclear translocation and transactivity of Nrf2 through enhancement of Hsp90-Keap1 interaction, while Solanesol-elevated Hsp70 is related with promoting the nuclear translocation of HSF1 through the involvement of chaperones interaction. Furthermore, the induction of HO-1 and Hsp70 by Solanesol could protect against ethanol-induced liver injury, including significantly suppressing the elevation of the activities of LDH and AST, attenuating ethanol-induced increase of the MDA, ROS level and decrease of the GSH level. Moreover, Solanesol also suppressed ethanol-induced apoptosis of L02 cells by inhibition of nuclear morphological damage, procaspase 3 and cleavage of caspase 3 and PARP, suggesting Solanesol may be beneficial against ALD. Solanesol also promoted tBHQ-mediated protective effects. However, treatment cells with SnPP or PES markedly abrogated the protective effects of Solanesol on ethanol-induced cell injury.
CONCLUSIONS:
These results strongly suggested that Solanesol could protect ethanol-induced L02 cell damage, which might be attributed to the activation of HO-1 and Hsp70.

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2014 Aug;31(4):833-6, 841.

Antioxidant function of solanesol and its inhibitory effect on tyrosinase[Pubmed: 25464797]

The present paper intends to discuss the antioxidant and tyrosinase inhibition effect of Solanesol from three aspects of ultraviolet radiation and free radical scavenging.
METHODS AND RESULTS:
The paper makes a survey on diurnal variation rule of the minimum ultraviolet transmittance and ultraviolet transmittance of Solanesol, hydroxyl (OH) free radical scavenging method of Smirnoff reaction system model, superoxide anion O2- free radical scavenging method of pyrogallol autoxidation, and the inhibitory effect of Solanesol on tyrosinase activity by enzyme kinetic method. The experiment results showed that Solanesol could effectively scavenge lipid radicals to block lipid peroxidation, and inhibit effects on tyrosinase.
METHODS AND RESULTS:
Solanesol is a natural extract which could be used to prevent senile atrophy of human skin and senile plaque.

Biomolecules . 2019 Aug 2;9(8):334.

Bioactivities and Medicinal Value of Solanesol and Its Accumulation, Extraction Technology, and Determination Methods[Pubmed: 31382471]

Abstract Solanesol, an aliphatic terpene alcohol composed of nine isoprene units, is mainly found in solanaceous plants. Particularly, tobacco (Nicotiana tabacum), belonging to the Solanaceae family, is the richest plant source of Solanesol, and its leaves have been regarded as the ideal material for Solanesol extraction. Since the discovery of Solanesol in tobacco, significant progress has been achieved in research on Solanesol's bioactivities, medicinal value, accumulation, extraction technology, and determination methods. Solanesol possesses strong free radical absorption ability and antioxidant activity owing to the presence of several non-conjugated double bonds. Notably, Solanesol's anti-inflammatory, neuroprotective, and antimicrobial activities have been previously demonstrated. Solanesol is a key intermediate in the synthesis of coenzyme Q10, vitamin K2, and the anticancer agent synergiser N-solanesyl-N,N'-bis(3,4-dimethoxybenzyl) ethylenediamine. Other applications of Solanesol include Solanesol derivative micelles for hydrophobic drug delivery, Solanesol-derived scaffolds for bioactive peptide multimerization, and Solanesol-anchored DNA for mediating vesicle fusion. Solanesol accumulation in plants is influenced by genetic and environmental factors, including biotic stresses caused by pathogen infections, temperature, illumination, and agronomic measures. Seven extraction technologies and seven determination methods of Solanesol are also systematically summarized in the present review. This review can serve as a reference for Solanesol's comprehensive application. Keywords: accumulation; bioactivity; determination methods; extraction technology; medicinal value; Solanesol.