Browsing by Author "Chaturvedi, Shubhra"

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    Biodegradable nanoparticulate co-delivery of flavonoid and doxorubicin: Mechanistic exploration and evaluation of anticancer effect in vitro and in vivo
    (Elsevier Ltd, 2021-07-30T00:00:00) Khan, Iliyas; Sarkar, Bibekananda; Joshi, Gaurav; Nakhate, Kartik T.; Ajazuddin; Mantha, Anil K.; Kumar, Raj; Kaul, Ankur; Chaturvedi, Shubhra; Mishra, Anil K.; Gupta, Umesh
    The proposed study involves delivering drug/bioactive using a single nanoplatform based on poly lactic-co-glycolic acid (PLGA) for better efficacy, synergistic effect, and reduced toxicity. PLGA was conjugated to doxorubicin (D1), and this conjugate was used for encapsulation of naringenin (D2) to develop naringenin loaded PLGA-doxorubicin nanoparticles (PDNG). The PDNG NPs were 165.4 � 4.27 nm in size, having 0.112 � 0.035 PDI, with -10.1 � 2.74 zeta potential. The surface morphology was confirmed through transmission electron microscopy (TEM) and atomic force microscopy (AFM). The in vitro studies revealed that PDNG NPs exhibited selective anticancer potential in breast cancer cells, and induced apoptosis with S-phase inhibition via an increase in intrinsic reactive oxygen species (ROS) and altering the mitochondrial potential. The results also signified the efficient uptake of nanoparticles encapsulated drugs by cells besides elevating the caspase level suggesting programmed cell death induction upon treatment. In vivo studies results revealed better half-life (27.35 � 1.58 and 11.98 � 1.21 h for doxorubicin and naringenin) with higher plasma drug concentration. In vivo biodistribution study was also in accordance with the in vitro studies and in line with the in vivo pharmacokinetic. In vivo tumor regression assay portrayed that the formulation PDNG halts the tumor growth and lessen the tumor volume with the stable bodyweight of the mice. Conclusively, the dual delivery approach was beneficial and highly effective against tumor-induced mice. � 2021 The Author(s)