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Aldose reductase inhibitor form Cassia glauca: A comparative study of cytotoxic activity with Ag nanoparticles (NPs) and molecular docking evaluation.

ABSTRACT: UPLC-MS/MS profiling of Cassia glauca leaves extract revealed the identification of 10 flavonoids. Kaempferol 3-O-?-D-rutinoside was isolated and studied for its cytotoxic activity. It showed high cytotoxic effects against MCF-7 (IC50 of 4.6±0.038 ?g/ml) and HepG-2 (IC50 of 8.2±0.024 ?g/ml) cancer cell lines, compared to the leaves extracts, their Ag nanoparticles, and doxorubicin. Moreover, Kaempferol 3-O-?-D-rutinoside exerted a synergistic cytotoxic effect with doxorubicin on MCF-7 cell lines. It was discovered as kinases and aldose reductase inhibitor while rationalizing its cytotoxic activity through molecular docking study. Thus, it is expected that the cardiotoxic effects of doxorubicin can be also decreased by using Kaempferol 3-O-?-D-rutinoside due to its aldose reductase inhibitory effect. These findings suggested that Kaempferol 3-O-?-D-rutinoside could be used in combination with chemotherapeutic drugs to increase the sensitivity to their cytotoxic activity and protect against their side effects.

SUBMITTER: Osman SM

PROVIDER: S-EPMC7567391 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Aldose reductase inhibitor form Cassia glauca: A comparative study of cytotoxic activity with Ag nanoparticles (NPs) and molecular docking evaluation.

Osman Samir M SM Ayoub Nahla A NA Hafez Safaa A SA Ibrahim Haitham A HA El Raey Mohamed A MA El-Emam Soad Z SZ Seada Ahmed A AA Saadeldeen Amr M AM

PloS one 20201016 10

UPLC-MS/MS profiling of Cassia glauca leaves extract revealed the identification of 10 flavonoids. Kaempferol 3-O-β-D-rutinoside was isolated and studied for its cytotoxic activity. It showed high cytotoxic effects against MCF-7 (IC50 of 4.6±0.038 μg/ml) and HepG-2 (IC50 of 8.2±0.024 μg/ml) cancer cell lines, compared to the leaves extracts, their Ag nanoparticles, and doxorubicin. Moreover, Kaempferol 3-O-β-D-rutinoside exerted a synergistic cytotoxic effect with doxorubicin on MCF-7 cell lines ...[more]

PMID: 33064762

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Project description:Silver nanoparticles (Ag-NPs) adhered/inserted on textile fibers have an effective antimicrobial role. However, their release due to low adherence and their fate in the natural settings have been questioned in terms of toxicity level. In order to overcome this recurrent problem of adherence, the in situ formation of Ag-NPs in five textile fibers (cotton (untreated and chemically bleached), sheep's wool, polyamide, and polyester) was assessed. Herein, the fibers were first immersed in a silver ion solution (1 g/L of AgNO3) for ion saturation at room T for 24 h followed by draining fibers and their reimmersion this time in a strong chemical reducing solution (0.25 g/L of NaBH4) at room T for 24 h. This latter step leads to the in situ formation of Ag-NPs where size (5 nm < size < 50 nm), surface covering concentration, and aggregation degree depend on the textile fiber kind as deduced from FESEM images. This simple lab chemical method allows instantaneous in situ formation of Ag-NPs onto fibers without the requirement of additional thermal treatment. Moreover, for natural fibers, the formation of Ag-NPs inside of them is also expected as confirmed from FESEM images in cotton cross sections. In complement, all textile fibers containing Ag-NPs (sheep's wool 10 mg/g > untreated cotton 2.3 mg/g > bleached cotton 1 mg/g > polyamide 0.62 mg/g > polyester 0.28 mg/g) were submitted to interact with strong oxidants in an aqueous media (7.5% v/v of H2O2, 0.5 and 0.05 M of HNO3 and ultrapure water as the control) using flow-through reactor experiments. Here, breakthrough curves reveal that the oxidative dissolution rate (given in mol/g min) of adhered Ag-NPs (ionic release) depends strongly on fiber nature, and nature and concentration of oxidant solution. In summary, this fundamental study suggests that Ag-NPs may be successfully adhered/inserted in natural fibers (wool and cotton) in a safety-design perspective with performant biocide properties as confirmed by using Bacillus subtilis.

Project description:Cassia glauca is reported as anti-diabetic medicinal plant and is also used as an ethnomedicine. However, its mode of action as an anti-diabetic agent has not been clearly elucidated. Hence, the present study investigated the probable mechanism of action of C. glauca to manage diabetes mellitus via network pharmacology and molecular docking and simulations studies. The reported bioactives from C. glauca were retrieved from an open-source database, i.e. ChEBI, and their targets were predicted using SwissTargetPrediction. The proteins involved in the pathogenesis of diabetes were identified from the therapeutic target database. The targets involved in diabetes were enriched in STRING, and the pathways involved in diabetes were identified concerning the KEGG. Cytoscape was used to construct the network among bioactives, proteins, and probably regulated pathways, which were analyzed based on edge count. Similarly, molecular docking was performed using the Glide module of the Schrodinger suite against majorly targeted proteins with their respective ligands. Additionally, the drug-likeness score and ADMET profile of the individual bioactives were predicted using MolSoft and admetSAR2.0 respectively. The stability of these complexes were further studied via molecular dynamics simulations and binding energy calculations. Twenty-three bio-actives were retrieved from the ChEBI database in which cassiarin B was predicted to modulate the highest number of proteins involved in diabetes mellitus. Similarly, GO analysis identified the PI3K-Akt signaling pathway to be primarily regulated by modulating the highest number of gene. Likewise, aldose reductase (AKR1B1) was majorly targeted via the bioactives of C. glauca. Similarly, docking study revealed methyl-3,5-di-O-caffeoylquinate (docking score -9.209) to possess the highest binding affinity with AKR1B1. Additionally, drug-likeness prediction identified cassiaoccidentalin B to possess the highest drug-likeness score, i.e. 0.84. The molecular dynamics simulations and the MMGBSA indicate high stability and greater binding energy for the methyl-3,5-di-O-caffeoylquinate (ΔG bind = -40.33 ± 6.69 kcal mol-1) with AKR1B1, thus complementing results from other experiments. The study identified cassiarin B, cassiaoccidentalin B, and cinnamtannin A2 as lead hits for the anti-diabetic activity of C. glauca. Further, the PI3K-Akt and AKR1B1 were traced as majorly modulated pathway and target, respectively.

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Aldose reductase inhibitor form Cassia glauca: A comparative study of cytotoxic activity with Ag nanoparticles (NPs) and molecular docking evaluation.

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Aldose reductase inhibitor form Cassia glauca: A comparative study of cytotoxic activity with Ag nanoparticles (NPs) and molecular docking evaluation.

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