Shobhit Kumar's research while affiliated with Uttar Pradesh Textile Technology Institute and other places
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Publications (25)
Medicinal plants are considered the reservoir of diverse therapeutic agents and have been traditionally employed worldwide to heal various ailments for several decades. Silymarin is a plant-derived mixture of polyphenolic flavonoids originating from the fruits and akenes of Silybum mari-anum and contains three flavonolignans, silibinins (silybins),...
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Self-nanoemulsifying drug delivery system (SNEDDS) is an encouraging nanoplatforms fabricated to increase the oral bioavailability of poorly-bioavailable drugs. The current study aimed to develop omega 3 fatty acid-based SNEDDS for oral delivery of docetaxel (DTX). DTX loaded omega 3 fatty acid – based SNEDDS was developed using fish oil, tween 80...
Paroxetine is a one of well-known anti-depressant but due to extensive hepatic first pass metabolism it suffers with shortcoming of poor oral bioavailability. Aim of current study was to develop and evaluate paroxetine loaded SNEDDS to increase oral bioavailability. SNEDDS were formulated by using caproyl 90 as oil phase, Cremophore EL as surfactan...
Targeted drug delivery through novel drug delivery systems and nanotechnology intervention is emerging as the main player in the future era of medicine. Every year various new active pharmaceutical ingredients (APIs), biologics, novel drug delivery systems, and nanopharmaceuticals are being developed and marketed globally after successful clinical...
The aim of present study was to develop and evaluate novel in situ nanoemulgel (NEG) of azithromycin (AZM) with eugenol for intra-pocket drug delivery for the treatment of periodontitis. Nanoemulsions of AZM were developed by spontaneous emulsification method containing Eugenol (oil phase), Tween 80 (surfactant) and PEG 400 (co-surfactant) and doub...
Nitazoxanide (NTZ) is an orally active drug with significant postmarketing experience including more than 75 million adults and children. Presently, this drug is widely used for a number of infectious conditions and diseases. It has a wide range of applications such as antiprotozoal, anthelmintic and antiviral against various types of Gram-positive...
Bromocriptine Mesylate (BRM) acts as a dopamine receptor agonist along with antioxidant effect and is utilized in the treatment of Parkinson’s disease (PD). Glutathione (GSH) is a thiol- reducing agent having antioxidant properties in the brain. Replenishment of GSH inside the brain can play a major role in the management of PD. Both BRM and GSH su...
The current investigation is focused on formulation, optimisation and characterisation of polymeric based nanomaterial. Nitazoxanide (NTZ) loaded polymeric nanoparticles were prepared by homogenisation technique using Eudragit RL100 as a polymer matrix and Poly vinyl alcohol (PVA) as a cross linking agent. NTZ was used as a model drug and investiga...
Objective of study was to develop and optimize nanoemulsion gel of terbinafine using Melaleuca alternifolia (tea tree) oil for synergistic antifungal activity against Candida albicans. Permeation coefficient of nanoemulsion gel and marketed cream was found to be 2.54 × 10−3 cm/h and 1.64 × 10−3 cm/h, respectively. Cskin max, AUC0–5h, AUC0-∞, and pe...
Neurodegenerative disorders are result of continuous deterioration of the structure and function of neurons, involving death of neurons. Neurodegenerative disorders affect millions of people around the world. Several conventional drug delivery strategies are available to treat neurological disorders. But they are unable to provide adequate cytoarch...
Huntington’s disease (HD) is a neurodegenerative disease which is genetically inherited through an autosomal dominant gene located on chromosome 4. HD is caused by DNA mutation (generally 37 or more repetition of CAG nucleotides) that leads to an excess glutamine residues stretch. However, the main pathogenesis pathway resulted by polyglutamine exp...
Tetrabenazine reduces chorea symptoms associated with Huntington’s disease by depleting monoamines in pre-synaptic vesicles. It exhibit low aqueous solubility and undergoes first pass metabolism due to which it has low oral bioavailability. The aim of present work was to formulate intranasal tetrabenazine loaded nanoemulsion for better management a...
Background
Human brain is amongst the most complex organs in human body, and delivery of therapeutic agents across brain is a tedious task. Existence of blood brain barrier (BBB) protects the brain from invasion of undesirable substance; therefore it hinders the transport of various drugs, used for the treatment of different neurological diseases i...
Parkinson’s disease is caused due to free radical generation in dopamine neurons leading to oxidative stress induced damage. The aim of this work was to ameliorate the free radical induced oxidative stress in rats by using TPGS (Tocopheryl polyethylene glycol 1000 succinate) loaded rutin nanoemulsion after oral administration. For this purpose, pha...
In the present study resveratrol nanoemulsion gel was developed and optimized with the aim of enhancing the permeability and antioxidant activity against ultraviolet (UV)-induced oxidative skin damage. Droplet size, polydispersity index, drug permeation flux, permeability coefficient and drug deposition in skin of resveratrol-loaded nanoemulsion we...
Objective of the present study was to determine whether the prepared nanoemulsion would be able to deliver selegiline to the brain by intranasal route improving its bioavailability. Antioxidant activity, pharmacokinetic parameters and dopamine concentration were determined. Oxidative stress models which had Parkinson's disease like symptoms were us...
Coenzyme Q10 (CoQ10) is a well known antioxidant molecule which is used in the treatment of neurodegenerative disorders but due to poor solubility it suffers with the drawback of low oral bioavailability. The aim of present study was to prepare and characterize CoQ10 loaded nanoemulsion to improve the oral bioavailability. Prepared formulation was...
Silymarin has been approved as a safe herbal hepatoprotective drug as well as drug of choice for several hepatic disorders. However it suffers from the problem of poor oral bioavailability. In current work silymarin loaded nanoemulsions were prepared using high pressure homogenization (HPH) technique. Capryol 90, Solutol HS 15 and Transcutol HP wer...
Neurodegeneration is an umbrella term for the progressive loss of structure and/or function of neurons along with destruction of nerve cells. Parkinson's disease (PD) is the second most general neurodegenerative disorder that involves a decreased nigrostriatal availability of dopamine, resulting in motor impairment including bradykinesia, rigidity,...
Paroxetine is a selective serotonin reuptake inhibitor (SSRI) and is used for the treatment of depression and anxiety problems, but suffers from the drawback of poor oral bioavailability (less than 50%) due to its extensive first pass metabolism. The objective of the present study was to develop a paroxetine loaded nanoemulsion (o/w type) for direc...
Cilostazol (CLZ) is a well known therapeutic agent which is used for antithrombotic activity but suffers from the drawback of poor oral bioavailability. Research studies have explored the utilization of various lipid based formulations like nanoemulsions to overcome such limitations. CLZ nanoemulsions were produced by aqueous titration technique to...
Citations
... The protective role of silymarin on diabetic cardiomyopathy is strongly supported by the literature either in cell lines (H9c2 rat embryonic heart cells) or in animal models (diabetic mice at the dose of 100 mg/kg) [127]. Its cardioprotective ability is expressed via the inhibition of myocardial fibrosis and collagen deposition through the counter-regulation of the TGF-β1/Smad signaling pathway [128]. Furthermore, silymarin can be involved in the regulation of Tropomyosin alpha-1 chain (TPM1) and ...
... The permeation of curcumin through everted goat intestine was evaluated in a tablet dissolution apparatus (DS-8000, Lab India analytical Instruments Pvt. Ltd., Maharashtra, India) following the previous procedure with slight modification. 35 The dissolution apparatus type-II (paddle) was used for this study. The dissolution vessels were filled with 900 mL of releasing medium made with PBS containing 0.25% w/v sodium lauryl sulphate (pH 6.8, 37°C). ...
... Furthermore, invivo analgesic activity on rats showed the significantly enhanced anesthetic action of CO-NEG in terms of the latency reaction time and analgesia [125]. In another study, Shram et al. investigated the in-situ-NEG of (AZM) with eugenol intended for intra-pocket drug delivery against the treatment of periodontitis [126]. The developed formulation demonstrated the desired thixotropy behavior for periodontal delivery [126]. ...
... This strategy could particularly benefit patients with IEI and cancer by reducing the chemotherapeutic dose while providing some antimicrobial prophylaxis. Many of these repurposed drugs are antimicrobial agents including salinomycin, monensin, ritonavir, itraconazole, nitazoxanide and ivermectin (6,21,22). For instance, ivermectin synergized with cisplatin to completely inhibit ovarian tumor growth of xenografts in mice compared to 1/3 rd inhibition with cisplatin alone (23). ...
... %transmittance was investigated to assess the droplet size as well as the stability of the formulation because any change in %transmittance leads to a change in droplet size as well as the size distribution of the formulation [21]. The optimized AZL-NE formulation was found to be 93.46 ± 1.13%, which is close to 100, implying that the formulation was transparent, clear, and able to transmit the light. ...
... The majority of drugs used in cancer therapy are natural products or their structural relatives. Combinatorial chemistry and high-throughput screening technologies are used by the pharmaceutical industry to obtain these drugs [146,147]. Thus, more subtle use of nature-derived templates combined with organic chemistry will be much more likely to produce selective analogs [148]. Glioblastoma patients have failed most chemotherapy trials partly due to poor drug penetration through the BBB. ...
... Huntington's disease (HD) is a neurodegenerative disease which is triggered in adulthood, and patients show emotional problems, cannot control their physical movements, have speech disorders and dementia, lose the ability to think, and die within 15-20 years of diagnosis; Huntington's disease is genetically inherited through an autosomal dominant gene located on chromosome 4; it is caused by DNA mutation of generally 37 or more repetition of CAG nucleotides. Proteomic analysis with gel electrophoresis, mass spectroscopy, Western blot, and technology based on chromatogra-phy and X-ray crystallography, where it is shown that there are molecular changes that occur in HD, improves the specific treatment [38]. ...
... Thus, values of PDI can range from 0.00 (for mono-dispersed systems) to 1.00 (for highly dispersed systems). PDI values greater than 0.50 indicate a broader size distribution, whereas those less than 0.50 indicate a narrow size distribution [37,38]. ...
... Blood-brain barrier (BBB) endothelial cells express Lf receptors (LfR). Lf binding to LfR can mediate an Lfmodified drug carrier system through the BBB to increase drug concentration in the brain, and Lf has been widely applied in targeted nanotherapy for nervous system disorders (Huang et al., 2007;Yan et al., 2018;Mittal et al., 2020). Liu et al. (2017) found that Lf-modified daunorubicin and magnolol liposomes were transported via the BBB and promoted drug accumulation in brain tumor tissue. ...
... In the literature, rutin has been suggested to be a powerful antioxidant agent. [35] It prevents increased oxidants such as MDA and the decrease of antioxidants such as GSH in both ischemia-reperfusion injuries [36] and lung injury. [4] In a study in which oxidative stress was created with pulmonary edema, low MDA and high GSH levels were obtained by rutin administration. ...