Publications by authors named "Chetna Kharbanda"

Attributed to several side effects, especially on hepatic tissues and body weight, there is always an urge of innovation and upgrading in already existing medication being used in maintaining diabetic condition. Therefore, in the present work, forty-eight molecules derived from arylpropionic acid scaffold were synthesized and their evaluation against diabetes was carried out. The synthesis of these molecules attributed to excellent dock score displayed by all the structures performed against PPAR-γ receptor site.

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A library of fourteen 2-imino-4-thiazolidinone derivatives (1a-1n) has been synthesized and evaluated for in vivo anti-inflammatory activity and effect on ex-vivo COX-2 and TNF-α expression. Compounds 1k (5-(2,4-dichloro-phenooxy)-acetic acid (3-benzyl-4-oxo-thiazolidin-2-ylidene)-hydrazide) and 1m (5-(2,4-dichloro-phenooxy)-acetic acid (3-cyclohexyl-4-oxo-thiazolidin-2-ylidene)-hydrazide) exhibited in vivo inhibition of 81.14% and 78.

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Piperine is an alkaloid responsible for the pungency of black pepper. In this study, piperine isolated from Piper nigrum L. was hydrolyzed under basic condition to obtain piperic acid and was used as precursor to carry out the synthesis of twenty piperine derivatives containing benzothiazole moiety.

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Twenty one pyrazoline containing benzenesulfonylureas were synthesized and docked against PPAR-γ target. All the compounds were first screened for their antidiabetic potential by oral glucose tolerance test and then six active compounds were assessed on STZ diabetic model. It was found that five compounds showed significantly high antidiabetic activity in comparison to glibenclamide as well as rosiglitazone (standard drugs).

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A library of synthesized conjugates of phenoxy acetic acid and thiazolidinedione 5a-m showed potent peroxisome proliferator activated receptor-γ (PPAR-γ) transactivation as well as significant blood glucose lowering effect comparable to the standard drugs pioglitazone and rosiglitazone. Most of the compounds showed higher docking scores than the standard drug rosiglitazone in the molecular docking study. Compounds 5l and 5m exhibited PPAR-γ transactivation of 54.

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The present study aimed to investigate the anti-inflammatory activity of the ethanolic extract of the aerial parts of Trichosanthes dioica and its successive fractions. The effect on oxidative stress involved in the pathogenesis of inflammation was evaluated. The ethanolic extract and its successive fractions were administered at a dose of 150 and 300 mg/kg b.

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A focused library of novel benzyl pyrrolones has been synthesized and their in silico molecular docking studies carried out against TNF-α target. Among all the docked molecules, compound 3f showed best glide score of -6.89.

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Nineteen novel piperine based triazoles have been synthesized using click chemistry approach and were tested for in vivo anti-inflammatory activity. The most active compounds were evaluated for in vitro TNF-α expression. Compounds 3g and 3f were found to show significant in vivo inhibition of inflammation, 80.

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In the present study a library of twenty six benzenesulfonylureas containing thiophenylpyrazoline moiety has been synthesized. All the compounds were docked against PPAR-γ target. Most of the compounds displayed higher dock score than standard drugs, glibenclamide and rosiglitazone.

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The present study aims at the synthesis of pyrazolines bearing benzothiazole and their evaluation as anti-inflammatory agents. The synthesized compounds were evaluated for their anti-inflammatory potential using carrageenan induced paw edema model. Two compounds 5a and 5d alleviated inflammation more than the standard drug celecoxib.

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A library of novel 1,3,4-oxadiazole and 2-4-thiazolidinedione based bis-heterocycles 7 (a-r) has been synthesized which exhibited significant PPAR-γ transactivation and blood glucose lowering effect comparable with the standard drugs Pioglitazone and Rosiglitazone. Compounds 7m and 7r did not cause body weight gain and were found to be free from hepatotoxic and cardiotoxic side effects. Compounds 7m and 7r increased PPAR-γ gene expression by 2.

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Ethnopharmacological Relevance: Traditionally, Aporosa lindleyana Baill. has been used against various ailments viz. jaundice, fever, headache, seminal loss and insanity.

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A library of conjugates of chromones and 2,4-thiazolidinedione has been synthesized by Knoevenagel condensation followed by reduction using hydrogen gas and Pd/C as a catalyst. Compounds 5c and 5e were most effective in lowering the blood glucose level comparable to standard drug pioglitazone. Compound 5e exhibited potent PPAR-γ transactivation of 48.

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A library of novel bis-heterocycles containing 2-mercaptobenzoxazole based 1,2,3-triazoles has been synthesized using click chemistry approach. The compound 4 exhibited the most potent in vivo anti-inflammatory activity with 66.66% and 61.

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Ethnopharmacological Relevance: Trapa natans L. has a folkloric reputation as nutrient, appetizer and astringent. Its utility as antidiabetic, anticancer, diuretic, aphrodisiac, antidiarrhoeal and in many other maladies is well reported in the literature.

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A library of novel bis-heterocycles containing benzoxazolinone based 1,2,3-triazoles has been synthesized using click chemistry approach. The compound 3f exhibited potent selective COX-2 inhibition of 59.48% in comparison to standard drug celecoxib (66.

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Two new triterpenoids characterised as 30-normethyl fernen-22-one (capillirone, 1) and hopan-3β-ol (capillirol B, 2), along with two known triterpenoids, 4-α-hydroxyfilican-3-one and 3-β,4-α-dihydroxyfilicane, have been isolated from the ethanolic extract of the fronds of Adiantum capillus-veneris Linn. (Adiantaceae). Compounds 1 and 3 showed significant anti-inflammatory activity with 33.

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