Protective effects of extracts from six local strains of &lt;italic&gt;Pyropia yezoensis&lt;/italic&gt; against oxidative damage &lt;italic&gt;in vitro&lt;/italic&gt; and in zebrafish model

Dai, Yulin; Kim, Gwang Hoon; Kang, Min‐Cheol; Jeon, You‐Jin

doi:10.4490/algae.2020.35.5.14

Cited by 11 publications

(10 citation statements)

References 44 publications

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“…The Bangiales (Rhodophyta) contains some of the commercially most important red algae that have been used for millennia and support multi-million dollars industries mainly in Asia (Kim et al 2014, Badis et al 2020, Dai et al 2020, Lee et al 2021. The order contains two morphological types in the gametophytes: a group consisting mostly of monostromatic blades, and a filamentous group.…”

Section: Introductionmentioning

confidence: 99%

Splitting blades: why genera need to be more carefully defined; the case for <italic>Pyropia</italic> (Bangiales, Rhodophyta)

Zuccarello¹,

Wen²,

Kim³

2022

Algae

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The trend in naming genera based almost exclusively on molecular data, and not on morphological diagnostic characters, is increasing. In bifurcating phylogenetic trees generic cut-offs are arbitrary, but at the bare minimum nomenclatural changes should be supported by multiple phylogenetic methodologies using appropriate models for all the various gene partitions, strong support with all branch support methods, and should also result in adding to our knowledge of the interrelationships of taxa. We believe that a recent taxonomic treatment of the genus Pyropia (Yang et al. 2020) into several genera is unwarranted. We reanalysed the data presented in the recent article, using additional phylogenetic methods. Our results show that many of the newly established genera are not well supported by all methods, and the new circumscription of the genus Pyropia renders it unsupported. We also tested additional outgroups, which were previously suggested as sister to Pyropia, but this did not substantially change our conclusions. These generic nomenclatural changes of the previously strongly supported genus Pyropia, do not shed light on the evolution of this group and have serious consequences in these commercially important algae, that are also governed by a plethora of regulation and by-laws that now need to be amended. We suggest that the over-splitting of groups based only on poorly produced and modestly supported phylogenies should not be accepted and that the genus Pyropia sensu Sutherland et al. (2011) be restored.

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Section: Introductionmentioning

confidence: 99%

Splitting blades: why genera need to be more carefully defined; the case for <italic>Pyropia</italic> (Bangiales, Rhodophyta)

Zuccarello¹,

Wen²,

Kim³

2022

Algae

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“…Zebrafish are used as an animal model for in vivo whitening studies because their genetic makeup is more than 90% similar to that in mammals [ 25 ]. Among the 21 fractions exhibiting antioxidant, anti-UV, and antimelanogenesis activities, F10 showed the strongest activities and lowest cytotoxicity in vitro.…”

Section: Resultsmentioning

confidence: 99%

“…Healthy adult zebrafish were purchased from Nanjing Yishulihua Biotechnology Co., Ltd., China, and maintained in 28°C water with a normal light/dark cycle [ 25 ]. Embryos were randomly arranged in 24-well plates.…”

Section: Methodsmentioning

confidence: 99%

Low Molecular Weight Oligosaccharide from Panax ginseng C.A. Meyer against UV-Mediated Apoptosis and Inhibits Tyrosinase Activity In Vitro and In Vivo

Dai

Yang

Song

et al. 2021

Evidence-Based Complementary and Alternative Medicine

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To find new anti-UV and whitening agents, 21 fractions isolated from three preparations of ginseng (white, red, and black ginseng) were screened, and their antioxidant effects on AAPH- or H2O2-induced damage were investigated. Furthermore, the protective effect against UV-mediated apoptosis and the tyrosinase inhibitory activity of the targeted fractions were evaluated in vitro and in a zebrafish model. Among all fractions, F10 from white ginseng was selected as having the strongest anti-UV and antimelanogenesis activities. This fraction exhibited excellent inhibitory effects on the pigmentation of zebrafish, which may be due to its potential tyrosinase inhibitory activity. Additionally, the chemical composition of F10 was evaluated by UPLC-MS and NMR instruments. The results indicated that F10 had a carbohydrate content of more than 76%, and the weight-average molecular weight was approximately 239 Da. Disaccharide sucrose was the main active compound in F10. These results suggest that F10 could be used as an ingredient for whitening cosmetics and regarded as an anti-UV filter in the future.

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“…Furthermore, VPOP1 inhibits H 2 O 2 -induced ROS production and lipid peroxidation in zebrafish. Lipid peroxidation is usually triggered by excess ROS, and H 2 O 2 can induce lipid peroxidation in cells [40]. Lipid peroxidation is a chain reaction in which lipids react with free radicals, and lipid hydroperoxides and peroxy fatty acid free radicals generated during this process attack different biomolecules.…”

Section: Discussionmentioning

confidence: 99%

Anti-Osteoporotic Effect of Viscozyme-Assisted Polysaccharide Extracts from Portulaca oleracea L. on H2O2-Treated MC3T3-E1 Cells and Zebrafish

Zhou

et al. 2022

Separations

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This study aims to screen and characterize the protective effect of polysaccharides from Portulaca oleracea L. (POP) against H2O2-stimulated osteoblast apoptosis in vivo and in vitro. The enzymes viscozyme, celluclast, α-amylase, and β-glucanase were used to extract POPs. Among all enzyme-assisted POPs, the first participating fraction of viscozyme extract POP (VPOP1) exhibited the highest antioxidant activity. Hoechst 33342 and acridine orange/ethidium bromide staining and flow cytometry of MC3T3 cells revealed that VPOP1 inhibited apoptosis in a dose-dependent manner. Moreover, VPOP1 increased the expression levels of heme oxygenase-1 (HO-1) and NADPH quinine oxidoreductase 1 (NQO1) and decreased the expression levels of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) and Kelch-like ECH-associated protein 1 (Keap1) in H2O2-induced cells compared with their controls. The results of an in vivo experiment show that VPOP1 significantly reduced reactive oxygen species generation and lipid peroxidation in zebrafish at 72 h post-fertilization and promoted bone growth at 9 days post-fertilization. Furthermore, VPOP1 was identified via 1-phenyl-3-methyl-5-pyrazolone derivatization as an acidic heteropolysaccharide comprising mannose and possessing a molecular weight of approximately 7.6 kDa. Collectively, VPOP1 was selected as a potential anti-osteoporotic functional food because of its protective activity against H2O2-induced damage in vitro and in vivo.

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Protective effects of extracts from six local strains of <italic>Pyropia yezoensis</italic> against oxidative damage <italic>in vitro</italic> and in zebrafish model

Cited by 11 publications

References 44 publications

Splitting blades: why genera need to be more carefully defined; the case for <italic>Pyropia</italic> (Bangiales, Rhodophyta)

Splitting blades: why genera need to be more carefully defined; the case for <italic>Pyropia</italic> (Bangiales, Rhodophyta)

Low Molecular Weight Oligosaccharide from Panax ginseng C.A. Meyer against UV-Mediated Apoptosis and Inhibits Tyrosinase Activity In Vitro and In Vivo

Anti-Osteoporotic Effect of Viscozyme-Assisted Polysaccharide Extracts from Portulaca oleracea L. on H2O2-Treated MC3T3-E1 Cells and Zebrafish

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