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The benefit of cinnamon ( Cinnamomum burmannii) in lowering total cholesterol levels after consumption of high-fat containing foods in white mice ( Mus musculus) models.

ABSTRACT: Background: Hypercholesterolemia is a condition where cholesterol levels in the body exceed the normal range. If the condition is longer, it can cause metabolic and cardiovascular diseases. The therapy of synthetic drugs has side effects that can be fatal (rhabdomyolysis). Needed to find natural remedies with minimal side effects. There are many nutritional components contained in cinnamon, such as cinnamaldehyde. The cinnamaldehyde, a substance that is thought to affect cholesterol levels. The study aims to determine the efficacy of Cinnamomum burmannii in lowering total cholesterol levels of mice (Mus musculus) given high-fat feed. Methods: This is an experimental study with a pre-post control study design. The groupings were performed by a simple random sampling method. The male mice were divided into five groups (n=6/group): 1) negative control (aquadest); 2) positive control of high-fat containing food (HFC; quail yolk); 3) HFC + cinnamon extract (CE; dose 2mg/20g body weight (BW); 4) HFC + CE (dose 4mg/20gBW); 5) HFC + CE (dose 8mg/20gBW). The study was conducted for 28 days. Consumption of quail yolk as HFC to increasing cholesterol in mice. The intervention of CE started on day 15 and ended on day 28. Measurement of total cholesterol and BW of mice was performed on days 0, 14 and 28. Results: The comparison of total cholesterol levels in the K1 group (120.3 ± 5.53 mg/dl) to K2 (107.3 ± 3.61 mg/dl), K3 (106.8 ± 4.57 mg/dl) and K4 (106.7 ± 0.51 mg/dl) showed decreased significantly different (p = 0.001) in groups consuming CE. However, there was not a significant change between groups in mice BW (p = 0.419). Conclusions: The cinnamon ( Cinnamomum burmannii) proved can be lowering of total cholesterol levels for 14 days in mice compared without given cinnamon after consumption of high-fat containing foods.

SUBMITTER: Pulungan A

PROVIDER: S-EPMC7295078 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Consumption of a cholesterol lowering dietary portfolio including plant sterols (PS), viscous fibre, soy proteins and nuts for 6 months improves blood lipid profile. Plant sterols reduce blood cholesterol by inhibiting intestinal cholesterol absorption and concerns have been raised whether PS consumption reduces fat soluble vitamin absorption.The objective was to determine effects of consumption of a cholesterol lowering dietary portfolio on circulating concentrations of PS and fat soluble vitamins.Using a parallel design study, 351 hyperlipidemic participants from 4 centres across Canada were randomized to 1 of 3 groups. Participants followed dietary advice with control or portfolio diet. Participants on routine and intensive portfolio involved 2 and 7 clinic visits, respectively, over 6 months.No changes in plasma concentrations of ? and ? tocopherol, lutein, lycopene and retinol, but decreased ?-carotene concentrations were observed with intensive (week 12: p?=?0.045; week 24: p?=?0.039) and routine (week 12: p?=?0.031; week 24: p?=?0.078) portfolio groups compared to control. However, cholesterol adjusted ?-carotene and fat soluble compound concentrations were not different compared to control. Plasma PS concentrations were increased with intensive (campesterol:p?=?0.012; ?-sitosterol:p?=?0.035) and routine (campesterol: p?=?0.034; ?-sitosterol: p?=?0.080) portfolio groups compared to control. Plasma cholesterol-adjusted campesterol and ?-sitosterol concentrations were negatively correlated (p?<?0.001) with total and LDL-C levels.Results demonstrate that consuming a portfolio diet reduces serum total and LDL-C levels while increasing PS values, without altering fat soluble compounds concentrations. The extent of increments of PS with the current study are not deleterious and also maintaining optimum levels of fat soluble vitamins are of paramount necessity to maintain overall metabolism and health. Results indicate portfolio diet as one of the best options for CVD risk reduction.clinicaltrials.gov Identifier: NCT00438425.

Project description:The mammalian vomeronasal organ (VNO) expresses two G-protein coupled receptor gene families that mediate pheromone responses, the V1R and V2R receptor genes. In rodents, there are ~150 V1R genes comprising 12 subfamilies organized in gene clusters at multiple chromosomal locations. Previously, we showed that several of these subfamilies had been extensively modulated by gene duplications, deletions, and gene conversions around the time of the evolutionary split of the mouse and rat lineages, consistent with the hypothesis that V1R repertoires might be involved in reinforcing speciation events. Here, we generated genome sequence for one large cluster containing two V1R subfamilies in Mus spretus, a closely related and sympatric species to Mus musculus, and investigated evolutionary change in these repertoires along the two mouse lineages.We describe a comparison of spretus and musculus with respect to genome organization and synteny, as well as V1R gene content and phylogeny, with reference to previous observations made between mouse and rat. Unlike the mouse-rat comparisons, synteny seems to be largely conserved between the two mouse species. Disruption of local synteny is generally associated with differences in repeat content, although these differences appear to arise more from deletion than new integrations. Even though unambiguous V1R orthology is evident, we observe dynamic modulation of the functional repertoires, with two of seven V1Rb and one of eleven V1Ra genes lost in spretus, two V1Ra genes becoming pseudogenes in musculus, two additional orthologous pairs apparently subject to strong adaptive selection, and another divergent orthologous pair that apparently was subjected to gene conversion.Therefore, eight of the 18 (~44%) presumptive V1Ra/V1Rb genes in the musculus-spretus ancestor appear to have undergone functional modulation since these two species diverged. As compared to the rat-mouse split, where modulation is evident by independent expansions of these two V1R subfamilies, divergence between musculus and spretus has arisen more by mutations within coding sequences. These results support the hypothesis that adaptive changes in functional V1R repertoires contribute to the delineation of very closely related species.

Project description:BACKGROUND:Identification of protein-protein interactions is an important first step to understand living systems. High-throughput experimental approaches have accumulated large amount of information on protein-protein interactions in human and other model organisms. Such interaction information has been successfully transferred to other species, in which the experimental data are limited. However, the annotation transfer method could yield false positive interologs due to the lack of conservation of interactions when applied to phylogenetically distant organisms. RESULTS:To address this issue, we used phylogenetic profile method to filter false positives in interologs based on the notion that evolutionary conserved interactions show similar patterns of occurrence along the genomes. The approach was applied to Mus musculus, in which the experimentally identified interactions are limited. We first inferred the protein-protein interactions in Mus musculus by using two approaches: i) identifying mouse orthologs of interacting proteins (interologs) based on the experimental protein-protein interaction data from other organisms; and ii) analyzing frequency of mouse ortholog co-occurrence in predicted operons of bacteria. We then filtered possible false-positives in the predicted interactions using the phylogenetic profiles. We found that this filtering method significantly increased the frequency of interacting protein-pairs coexpressed in the same cells/tissues in gene expression omnibus (GEO) database as well as the frequency of interacting protein-pairs shared the similar Gene Ontology (GO) terms for biological processes and cellular localizations. The data supports the notion that phylogenetic profile helps to reduce the number of false positives in interologs. CONCLUSION:We have developed protein-protein interaction database in mouse, which contains 41109 interologs. We have also developed a web interface to facilitate the use of database http://lgsun.grc.nia.nih.gov/mppi/.

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The benefit of cinnamon ( Cinnamomum burmannii) in lowering total cholesterol levels after consumption of high-fat containing foods in white mice ( Mus musculus) models.

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