Aims and objectives:The purpose of this study was to evaluate and compare the anti-inflammatory activity of the aqueous root bark extract of Aegle marmelos (Bilwa) in experimental acute and chronic inflammatory animal models.Materials and Methods:Aqueous extract of root bark of Bilwa was prepared and tested for anti-inflammatory activity in albino rats weighing 150-280 grams. The animals were randomly divided into 3 groups of 6 each; one group served as control and other two groups received indomethacin and Bilwa orally 1 hour prior to experimentation. The in vivo anti-inflammatory activity was studied using the acute (Carrageenan induced paw edema) and chronic (Cotton pellet induced granuloma) animal models. Anti-inflammatory activity was expressed as Percent inhibition (PI). Statistical analysis was performed using One-way analysis of variance (ANOVA) followed by Scheffe's post hoc test. P < 0.05 was considered statistically significant.Results:The PI with indomethacin and Bilwa in carrageenan induced paw edema were 52.7% and 46% and in cotton pellet induced granuloma were 24.7% and 9.2% respectively. Indomethacin showed highly significant anti-inflammatory activity in both the models. However, Bilwa showed highly significant activity in acute model and but a trend of anti-inflammatory activity in chronic model studied.Conclusions:As Bilwa showed significant anti-inflammatory activity in the models studied, it can be a promising anti-inflammatory agent.
The most commonly accepted hypothesis of Alzheimer’s disease (AD) is the amyloid hypothesis caused due to formation of accumulation of Aβ42 isoform, which leads to neurodegeneration. In this regard, presenilin-1 (PSEN-1) and -2 (PSEN-2) proteins play a crucial role by altering the amyloid precursor protein (APP) metabolism, affecting γ-secretase protease secretion, finally leading to the increased levels of Aβ. In the absence of reported commercial pharmacotherapeutic agents targeting presenilins, we aim to propose benzophenone integrated derivatives (BIDs) as the potential inhibitors of presenilin proteins through in silico approach. The study evaluates the interaction of BIDs through molecular docking simulations, molecular dynamics simulations, and binding free energy calculations. This is the first ever computational approach to discover the potential inhibitors of presenilin proteins. It also comprises druglikeliness and pharmacotherapeutic potential analysis of the compounds. Out of all the screened BIDs, BID-16 was found to be the lead compound against both the presenilin proteins. Based on these results, one can evaluate BID-16 as an anti-Alzheimer’s potential specifically targeting presenilin proteins in near future using in vitro and in vivo methods.
Fermented food plays a major role in gastrointestinal health, as well as possesses other health benefits, such as beneficiary effects in the management of diabetes. Probiotics are thought to be viable sources for enhancing the microbiome of the human gut. In the present study, using biochemical, physiological, and molecular approaches, the isolated Lactobacillus spp. from dosa batter were identified. The cell-free supernatant (CS), cell-free extract (CE), and intact cells (IC) were evaluated for their inhibitory potential against the carbohydrate hydrolyzing enzymes α-glucosidase and α-amylase. Then, 16S rDNA amplification and sequencing were used to identify the species. A homology search in NCBI database was performed that suggests the isolates are >95% similar to Limosilactobacillus fermentum and Lacticaseibacillus casei. Different standard parameters were used to evaluate the probiotic potential of strains RAMULAB07, RAMULAB08, RAMULAB09, RAMULAB10, RAMULAB11, and RAMULAB12. The strains expressed a significant tolerance to the gastric and intestinal juices with a higher survival rate (>98%). A high adhesion capability was observed by the isolates exhibited through hydrophobicity (>65%), aggregation assays (>75%), and adherence assay on HT-29 cells (>82%) and buccal epithelial cells. In addition, the isolates expressed antibacterial and antibiotic properties. Safety assessments (DNase and hemolytic assay) revealed that the isolates could be classified as safe. α-glucosidase and α-amylase inhibition of the isolates for CS, CE, and IC ranged from 7.50% to 65.01% and 20.21% to 56.91%, respectively. The results suggest that these species have exceptional antidiabetic potential, which may be explained by their use as foods that can have health-enhancing effects beyond basic nutrition.
Objectives:The present study was undertaken to unravel the newer marker phytoconstituents in methanolic extract of Moringa oleifera leaves (MOLE) and evaluation of its immunomodulatory and splenocytes proliferation potential in rats.Materials and Methods:Hot methanolic extract of MOLE was subjected to gas chromatography-mass spectrometry (GC-MS) analysis. Immunomodulatory potential was studied in four groups of rats following administration of MOLE at 62.5 and 125 mg/kg for 21 days, followed by immunization with Salmonella typhimurium “O” antigen and antibody titer determined using indirect enzyme-linked immunosorbent assay kit. Total lymphocytes and T- and B-lymphocytes count were determined in control and after MOLE administration (62.5 and 125 mg/kg) to rats for 42 days. Splenocytes (2 × 106 spleen cells/ml) from MOLE treated rats were harvested and stimulated using concanavalin A and optical density (OD) and stimulation index were determined. Splenocytes from healthy control rats were also collected and treated in vitro with different concentrations of MOLE (5, 10, 25, 50, and 100 µg/ml) and concanavalin A to determine effect of MOLE on OD and stimulation index.Results:GC-MS analysis revealed presence of 9,12,15-octadecatrienoic acid ethyl ester, 6-octadecenoic acid, cis-vaccenic acid and 2-octyl-cyclopropaneoctanal in MOLE. MOLE at 125 mg/kg increased the antibody titer by 50%. Although there was slight decline in lymphocytes count (total, B- and T-lymphocytes) in MOLE treated rats, percentage of T-lymphocytes was increased nonsignificantly. Ex vivo and in vitro studies revealed marked increase in OD and stimulation index indicating MOLE-induced splenocytes proliferation.Conclusion:GC-MS study revealed four new compounds in MOLE apart from promising its immunomodulatory potential based on humoral immune response, percentage increase in T-lymphocytes count, and induction of splenocytes proliferation.
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