School Of Basic And Applied Sciences

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Author: search.filters.author.Singh, Atul KumarSubject: search.filters.subject.Docking

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    Anti-proliferative, apoptosis inducing, and antioxidant potential of Callistemon lanceolatus bark extracts: an in vitro and in silico study
    (Springer, 2023-05-08T00:00:00) Kumar, Ramesh; Kushwaha, Prem Prakash; Singh, Atul Kumar; Kumar, Shashank; Pandey, Abhay Kumar
    The present study reports anticancer and antioxidant activities of Callistemon lanceolatus bark extracts. Anticancer activity was studied against MDA-MB-231 cells. Antioxidant assessment of the chloroform and methanol extracts showed considerable free radical scavenging, metal ion chelating, and reducing power potential. Chloroform extract exhibited potent inhibition of cancer cell proliferation in MTT assay (IC50 9.6�?g/ml) and promoted programmed cell death. Reactive oxygen species (ROS) generation, mitochondria membrane potential (MMP) disruption ability, and nuclear morphology changes were studied using H2-DCFDA, JC-1, and Hoechst dyes, respectively, using confocal microscopy. Apoptotic cells exhibited fragmented nuclei, increased ROS generation, and altered MMP in dose- and time-dependent manner. Chloroform extract upregulated the BAX-1 and CASP3 mRNA expression coupled with downregulation of BCL-2 gene. Further, in silico docking of phytochemicals present in C. lanceolatus with anti-apoptotic Bcl-2 protein endorsed apoptosis by its inhibition and thus corroborated the experimental findings. Obatoclax, a known inhibitor of Bcl-2 was used as a reference compounds. � 2023, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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    Synthesis, characterizations of D32DMBC-crystals for applications in biomedical, tribological, electronic filters and in device constructions by theory and practice
    (World Scientific, 2022-05-28T00:00:00) Maalmarugan, J.; Divya, R.; Ganesan, H.; Patel, R.P.; Singh, Atul Kumar; Kumar, Shashank; Vimalan, M.; Kannan, K. Senthil; Dineshkumar, B.
    The single crystalline diethyl 3,3?-[(2,4-dichlorophenyl)methylidene]bis(1H-indole-2-carboxylate) (D32DMBC) samples are fully grown-up in a proper and in a successful manner by the prevailing slowly evaporating methodology. The lattice cell frameworks by XRD modus operandi also corroborated that the D32DMBC crystal system is monoclinic in nature. The structural properties by a conceptual way authenticate the elucidation and also the proper vindication for bond parameters. The nano influx is 3.2768 micron and the film-coated influx of 2.9977 microns as a mid-value between the macro as well as the nano assessment is suitable for electronic filters by D32DMBC crystals, and also used for tribological-coated utility as well as in frequency multipliers. Diabetes mellitus is the repetitive disease in the way of life and sustaining approach of D32DMBC - organic crystals are properly, accurately experimented by the use of the software pertaining to the D32DMBC by docking effect. The affinity inhibitory activity of A74DME and exploratory molecule of D32DMBC are -8.1kJ/mole and -8.4kJ/mole correspondingly. The computational effect of Hirshfeld portrays the internal/external fields as well as the electron higher/lower profile in the shape index proviso for optical utility identification and proper electronic utility. � 2023 World Scientific Publishing Company.