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  1. Article ; Online: Anti-inflammatory activity of the phenol rich fraction of Garcinia pedunculata Roxb (ex. Buch Ham): an in vitro and in vivo study.

    Dutta, Kasturi / Verma, Akalesh Kumar / Gogoi, Munmi / Devi, Mary / Singh, Maishnam Rustam / Singh, Namram Sushindrajit

    Inflammopharmacology

    2024  

    Abstract: Garcinia pedunculata, a tropical plant found abundantly in the north-east region of India, has been used by many traditional healers for various gastrointestinal ailments. Studies are being carried out for the proper pharmacological identification of the ...

    Abstract Garcinia pedunculata, a tropical plant found abundantly in the north-east region of India, has been used by many traditional healers for various gastrointestinal ailments. Studies are being carried out for the proper pharmacological identification of the compounds as well as the mode of action for the treatment of various diseases. In this study, phytochemistry of the fruit was evaluated, followed by a quantitative analysis of the total phenolic and flavonoid content of the methanolic crude extract as well as different fractions (n-hexane, chloroform, ethyl acetate, and n-butanol). The fraction with the most potent flavonoid and phenolic content was evaluated for its anti-inflammatory activity using both in vitro and in vivo assays. The chloroform fraction of G. pedunculata fruit extract was found to have a substantial amount of phenols and flavonoids. This fraction inhibited the denaturation of BSA and significantly stabilized human RBC membrane compared to the standard drug Diclofenac sodium. The fraction also significantly reduced the formaldehyde-induced paw edema in mice and normalized the blood parameters. This study provides evidence that G. pedunculata fruit extract plays a critical role in anti-inflammatory activity, indicating that it can be a potential candidate for further investigation in the treatment of inflammation-related diseases.
    Language English
    Publishing date 2024-05-02
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1080058-x
    ISSN 1568-5608 ; 0925-4692
    ISSN (online) 1568-5608
    ISSN 0925-4692
    DOI 10.1007/s10787-024-01484-1
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Adipato bridged novel hexanuclear Cu(ii) and polymeric Co(ii) coordination compounds involving cooperative supramolecular assemblies and encapsulated guest water clusters in a square grid host: antiproliferative evaluation and theoretical studies.

    Nath, Hiren / Dutta, Debajit / Sharma, Pranay / Frontera, Antonio / Verma, Akalesh K / Barceló-Oliver, Miquel / Devi, Mary / Bhattacharyya, Manjit K

    Dalton transactions (Cambridge, England : 2003)

    2020  Volume 49, Issue 28, Page(s) 9863–9881

    Abstract: Two new coordination compounds involving hexanuclear Cu(ii), viz., [Cu6(phen)6(μ4-adpt)4(H2O)2](NO3)4·10H2O (1) and polymeric Co(ii), viz., {[(μ2-adpt)4Co(μ2-H2O)2Co(H2O)4]·4H2O}n (2) (phen = 1,10-phenanthroline; adpt = adipate) have been synthesized and ...

    Abstract Two new coordination compounds involving hexanuclear Cu(ii), viz., [Cu6(phen)6(μ4-adpt)4(H2O)2](NO3)4·10H2O (1) and polymeric Co(ii), viz., {[(μ2-adpt)4Co(μ2-H2O)2Co(H2O)4]·4H2O}n (2) (phen = 1,10-phenanthroline; adpt = adipate) have been synthesized and characterized using elemental analysis, TGA, spectroscopic (IR, electronic and ESR), PXRD and single crystal X-ray diffraction techniques. Discrete nitrate-water clusters involving the [(H2O)3NO3]- core in 1 and linear (H2O)4 core in 2 provide stability to the layered network of the structures of the compounds. Interestingly, the water clusters in polymer 2 are encapsulated as guests in the voids of the host square grid that extends in 2D architecture. Theoretical studies have revealed the presence of interesting energetically significant cooperativity effects of π-stacking contacts that are responsible for the hexanuclear structure of compound 1. Both complexes significantly inhibit cell viability by inducing apoptotic cell death in the DL cancer cell line with negligible cytotoxicity in normal cells (PBMC). An assessment of ROS (reactive oxygen species) level study revealed a rapid increase of ROS in DL cells indicating cytotoxicity of the compounds against the DL cells. A decrease in MMP (mitochondrial membrane potential) is associated with an opening of the mitochondrial permeability transition pores which corroborates the apoptotic features of 1 and 2. The mode of action of the cytotoxic activities of the compounds has been explored with respect to their in silico docking ability and further inhibition of antiapoptotic proteins as evidenced by western blot analysis. SAR analyses based on pharmacophore modelling reveal that the molecular features of the structures of the compounds play important roles in biological activities.
    MeSH term(s) Antineoplastic Agents/chemical synthesis ; Antineoplastic Agents/chemistry ; Antineoplastic Agents/pharmacology ; Apoptosis/drug effects ; Cell Line ; Cell Proliferation/drug effects ; Cell Survival/drug effects ; Cobalt/chemistry ; Cobalt/pharmacology ; Coordination Complexes/chemical synthesis ; Coordination Complexes/chemistry ; Coordination Complexes/pharmacology ; Copper/chemistry ; Copper/pharmacology ; Crystallography, X-Ray ; Density Functional Theory ; Drug Screening Assays, Antitumor ; Humans ; Macromolecular Substances/chemical synthesis ; Macromolecular Substances/chemistry ; Macromolecular Substances/pharmacology ; Models, Molecular ; Molecular Docking Simulation ; Molecular Structure ; Polymers/chemistry ; Polymers/pharmacology ; Structure-Activity Relationship
    Chemical Substances Antineoplastic Agents ; Coordination Complexes ; Macromolecular Substances ; Polymers ; Cobalt (3G0H8C9362) ; Copper (789U1901C5)
    Language English
    Publishing date 2020-07-23
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472887-4
    ISSN 1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
    ISSN (online) 1477-9234 ; 1364-5447
    ISSN 0300-9246 ; 1477-9226
    DOI 10.1039/d0dt01007c
    Database MEDical Literature Analysis and Retrieval System OnLINE

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