Analgesic, Anti-inflammatory and Antihyperlipidemic Activities ofKnema attenuata, an Endemic Plant of Southern India

2019 ◽  
Vol 17 (4) ◽  
pp. 188-195
Author(s):  
V. Chandra ◽  
K.R. Chandrashekar ◽  
P. Shama ◽  
C.S. Shastry
Keyword(s):  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Ethanolic Extract ◽  
Atherogenic Index ◽  
Low Density ◽  
Endemic Plant ◽  
Hot Plate ◽  
In Vivo Models ◽  
Anti Inflammatory ◽  
Dose Dependent

The analgesic, anti-inflammatory and antihyperlipidemic activities ofKnema attenuata(Myristicaceae), one of the ingredients of ‘Ashwagandhadhi nei (medicated ghee)’ used in the treatment of spleen disorders according to the Ayurvedic herbal medicine tradition are investigated using suitable in vivo models such as hot plate method, tail immersion test, carrageenan-induced paw oedema assay and Triton X-100-induced hyperlipidemic assay. The seed and aril (a fleshy to hard structure which develops from the funicle or ovule after fertilisation and encloses all or part of the seed) extracts were used. Both the extracts showed significant dose dependent analgesic activity up to 400 mg/kg. The dose dependent ethanolic extract of aril exhibited higher latency to hot plate and tail withdrawal reflex proving its analgesic property. Anti-inflammatory activity was demonstrated after 3 h of oedema induction. The paw volume (ml) decreased from 1.36 ± 0.05 in control to 0.73 ± 0.02 and 0.78 ± 0.02 respectively in groups treated with ethanol extract of aril and seed. The extracts of seed and aril administered at a dose of 400 mg/kg lowered the serum TC (total cholesterol), TG (triglycerides), LDL (low density lipoprotein) and VLDL (very low density lipoprotein) compared to hyperlipidemic groups. A significant decrease in the atherogenic index (a strong marker to predict the risk of atherosclerosis and coronary heart disease) was observed in animals supplemented withKnema attenuatawhich suggests an athero protective/ cardio protective potential of this plant extract. We conclude that ethanolic extract ofKnema attenuatahas significantly good analgesic, anti-inflammatory and antihyperlipidemic activity. It could be a new source of natural analgesic agent and an alternative natural source of antiinflammatory and cardio protective agents.

scholarly journals Hypolipidemic activity of ethanolic extract of Caulerpa recemosa

2019 ◽  
Vol 9 (3) ◽  
pp. 197-201
Author(s):  
Sayeeda Monira Rahman ◽  
Sharif Neaz ◽  
Md Morshed Alam ◽  
Jasmin Nur
Keyword(s):  
Biochemical Parameters ◽  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Ethanolic Extract ◽  
Ethanol Extract ◽  
Serum Levels ◽  
Atherogenic Index ◽  
Hypolipidemic Activity ◽  
Low Density ◽  
Caulerpa Racemosa

Background: Caulerpa recemosa, also known as sea grape, is a stout straggling prostrate shrubby plant with spinous stipules and uniaxial siphonous thallus, mostly divided into a creeping axis (stolon), with rhizoids and erect shoots (fronds), either nude, leaf-like or with grape or feather-like ramuli. Caulerpa racemosa has erect fronds up to 9-13 cm high bearing un-crowded vesiculate ramuli that are radially arranged. Fronds are slightly inflated above the attachment to the stolon which are fixed to the substrate by thin short rhizoids. It is collected from St. Martin’s Island locally called ‘Narikel Jinjira’, located on the southernmost tip of Bangladesh for the present study, ethanol extract of Caulerpa recemosa has been screened for its hypolipidemic activity. Methods: Hypolipidemic activity was screened by inducing hyperlipidemia with the help of atherogenic diet in wistar albino rats and serum levels of various biochemical parameters such as total cholesterol, triglycerides, low density lipoprotein and high density lipoprotein cholesterol were determined. Atherogenic index shows the measure of the atherogenic potential of the drugs. Results: Ethanol extract showed significant (p < 0.01) hypolipidemic effect by lowering the serum levels of biochemical parameters such as significant reduction in the level of serum cholesterol, triglyceride, low density lipoprotein and increase in high density lipoprotein level which was similar to the standard drug atorvastatin. Ethanol extract exhibited significant atherogenic index andpercentage protection against hyperlipidemia. Preliminary phytochemical analysis revealed the presence of phytoconstituents such as steroids, flavonoids, glycosides, alkaloids, phenoliccompounds. Conclusion: The overall experimental results suggest that the biologically active phytoconstituents such as flavonoids, glycosides alkaloids present in the ethanolic extract of Caulerpa racemosa may be responsible for the significant hypolipidemic activity and the results may justify the use of Caulerpa racemosa as a significant hypolipidemic agent. Birdem Med J 2019; 9(3): 197-201

scholarly journals Low-density-lipoprotein-receptor-related protein (LRP) interacts with a GTP-binding protein

1998 ◽  
Vol 336 (2) ◽  
pp. 381-386 ◽  
Author(s):  
Lothar GORETZKI ◽  
Barbara M. MUELLER
Keyword(s):  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Low Density ◽  
Lipoprotein Receptor ◽  
Dependent Manner ◽  
Related Protein ◽  
Gtp Binding ◽  
Density Lipoprotein Receptor ◽  
Dose Dependent ◽  
Lipoprotein Receptor Related Protein

The low-density-lipoprotein-receptor-related protein (LRP) binds and internalizes numerous ligands, including lipoproteins, proteinase–inhibitor complexes and others. We have shown previously that LRP-mediated ligand internalization is dependent on cAMP-dependent protein kinase (PKA) activity. Here, we investigated whether ligation of LRP increases the intracellular cAMP level and PKA activity via a stimulatory GTP-binding protein. Treatment of LRP-expressing cell lines with the LRP ligands lactoferrin or urokinase-type plasminogen activator caused a significant elevation in cAMP and stimulated PKA activity in a dose-dependent manner. Addition of the 39 kDa receptor-associated protein (RAP), an antagonist for ligand interactions with LRP, blocked the lactoferrin-induced increase in PKA activity, demonstrating a requirement for ligand binding to LRP. Incubation of cell membrane fractions with lactoferrin increased GTPase activity in a time- and dose-dependent manner, and treatment with LRP ligands suppressed cholera-toxin-mediated ADP-ribosylation of the Gsα subunit of a heterotrimeric G-protein. Affinity precipitation of LRP with RAP resulted in co-precipitation of two isoforms of Gsα from detergent extracts. We thus conclude that LRP is a signalling receptor that associates directly with a stimulatory heterotrimeric G-protein and activates a downstream PKA-dependent pathway.

scholarly journals Study on the influence of 7-β-hydroxy-γ-aryloxypropylxanthinyl-8-thioalkanic acid derivatives on the lipid metabolism in experiment

2021 ◽  
Vol 23 (3) ◽  
pp. 411-416
Author(s):  
I. M. Bilai ◽  
M. I. Romanenko ◽  
D. H. Ivanchenko
Keyword(s):  
Side Effects ◽  
Total Cholesterol ◽  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Hdl Cholesterol ◽  
Lipoprotein Cholesterol ◽  
Atherogenic Index ◽  
Low Density ◽  
Low Density Lipoprotein Cholesterol ◽  
Xanthine Derivatives

Statin side effects are not a rare occurrence, in particular dyspeptic disorders, insomnia, headache, skin erythema, rash are often noted. All of this determines scientists to find new effective and low-toxic hypolipidemic agents. Various natural and synthetic xanthine derivatives have been recognized as therapeutically potential compounds and reported to control various diseases. Therefore, the study of new xanthine derivatives and their hypolipidemic effects, which would have a significant therapeutic effect with minimal side effects, is relevant. The aim of the study was to examine the effect of 7-β-hydroxy-γ-aryloxypropylxanthinyl-8-thioalkanic acid derivatives on lipidogram parameters in experimental laboratory rats. Materials and methods. The objects of the study were 7-β-hydroxy-γ-aryloxypropylxanthinyl-8-thioalkanic acid derivatives. The experiments were performed in white laboratory Wistar rats weighing 180–220 g. Experimental modeling of hyperlipidemia – tween model: intraperitoneal administration of tween-80 at a dose of 200 mg/100 g body weight. The test compounds were administered orally, simultaneously with tween, at a dose of 1/10 of LD50 (previously calculated by Prozorovsky express method) for 6 days. The following indicators of lipidogram were determined: total cholesterol (TC), high-density lipoprotein cholesterol (HDL cholesterol), low-density lipoprotein cholesterol (LDL cholesterol), triglycerides (TG) and atherogenic index of plasma: TC – HDL cholesterol / HDL cholesterol. The experiments were carried out with respect to Bioethical rules and norms. Results. The studies have shown data on the hypolipidemic activity of 7-β-hydroxy-γ-aryloxypropylxanthinyl-8-thioalkane acid derivatives. According to the conditional efficiency index Ʃ, which included the overall percentage of the following indicators – total cholesterol, low-density lipoprotein cholesterol and triglycerides, the leading compounds were 2439 (87.47 %), 6047 (82.30 %). The reference drug atorvastatin had a value of 82.98 %. Conclusions. The major compound was 2439 identified among all compared to the control group. The prospect of further research is a more detailed study on the ability of xanthine derivatives to exhibit hypolipidemic effects and to influence oxidative stress in various hyperlipidemic models.

scholarly journals Effects of Ethanolic Extract of Metracaria chamomela on Some Physiological Parameters in Male Rabbits

2015 ◽  
Vol 39 (2) ◽  
pp. 26-31
Author(s):  
Alia Hussein Ali
Keyword(s):  
Blood Cell ◽  
Cell Count ◽  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Ethanolic Extract ◽  
Lipoprotein Cholesterol ◽  
Control Group ◽  
Low Density ◽  
Low Density Lipoprotein Cholesterol ◽  
Blood Cell Count

     The aim of this study is to explain the effect of Ethanolic extract 70% of Metracaria chamomella on some physiological parameters in male rabbits. Twelve adult male rabbits were used in this study and were divided equally into two groups: First group was control (C) and received normal saline for four weeks, the second group (Treated group) was intubated orally with ethanolic extract of Metracaria chamomella in a dose 70 mg/kg B.W. for four weeks. Blood samples were collected by heart puncture from each animal at the end of experiment. Blood sample was divided into a part for hematological study and a part for biochemical analysis. The value of serum urea, and creatinine were reduced in animals that received Metracaria chamomella extract at dose of 70 mg/ kg B.W. as compared with the control group. Significant decrease in serum activity of aspartate aminotransferase alanine aminotransferase and alkaline phosphatase activity was observed in Metracaria treated animal as compared with the control group. This study explained that there was significant increase in serum total protein, serum albumin and serum globulin in treated animals as compared with the control group. The value of total cholesterol, serum triacylglycerol, serum low density lipoprotein cholesterol and very low density lipoprotein cholesterol concentration were reduced significantly in animal received Metracaria chamomella extract while the high density lipoprotein cholesterol was elevated significantly as compared with control group. While the effect of Metracaria chamomella extract on blood picture showed no changes in red blood cell count, hemoglobin concentration and hematocrit value but showed significant decrease in platelet count, and significant   increase in white blood cell count as compared with control group. Over all this study explained that Metracaria chamomella extract had Reno protective and hypolipidimic effect in male rabbit.  

scholarly journals Markedly Increased Small Dense Low-Density Lipoprotein During Acute Phase in Childhood and Adolescent Nephrotic Syndrome

2020 ◽  
Author(s):  
Keisuke Sugimoto ◽  
Kohei Miyazaki ◽  
Takuji Enya ◽  
Tomoki Miyazawa ◽  
Yuichi Morimoto ◽  
...  
Keyword(s):  
Nephrotic Syndrome ◽  
Acute Phase ◽  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Lipid Profiles ◽  
Atherogenic Index ◽  
Childhood And Adolescence ◽  
Low Density ◽  
Ldl Particles ◽  
Initial Onset

Abstract Background: Hyperlipidemia is an important characteristic feature of idiopathic nephrotic syndrome (NS) in children. This study was conducted to examine the lipid profiles, including small dense low-density lipoprotein (sdLDL-C), in childhood-onset NS.Methods: This retrospective study enrolled patients diagnosed with initial-onset NS in childhood and adolescence. Study parameters included lipid profiles. The “alternative LDL window” comprises the number and sizes of LDL particles estimated according to non-HDL-C and TG levels.Results: A total of 39 patients were enrolled who exhibited markedly increased lipid abnormalities, including TC, TG, LDL-C, and non-HDL-C levels (TC, 409.7 TC, TG, and sizes of LDL particles estimated as non-HDL-C, 332.3). Of the 39 patients, 32 (82%) were categorized in the area of hyper-TG/-non-HDL levels, which is considered as sdLDL. A positive correlation was found between non-HDL-C and TC (r = 0.96, P < 0.001), TG (r = 0.38, P = 0.018), LDL-C (r = 0.84, P < 0.001), TC/HDL (r = 0.53, P < 0.001), and atherogenic index of plasma (r = 0.42, P = 0.008).Conclusions: Our study demonstrated markedly increased lipid profiles during the acute phase of NS. Evaluation of lipid profiles using the “alternative LDL window” may help understand the state of hyperlipidemia in NS.

scholarly journals Cholesterol-Lowering Effects of Lactobacilli and Bifidobacteria Probiotics in vitro and in vivo

2018 ◽  
pp. 1-12
Author(s):  
Shahenda, M. Elaby ◽  
Asmaa A. Salem ◽  
Jehan, B. Ali ◽  
A. F. Abdel-Salam
Keyword(s):  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Cholesterol Content ◽  
Lipoprotein Cholesterol ◽  
Atherogenic Index ◽  
Low Density ◽  
Low Density Lipoprotein Cholesterol ◽  
Cholesterol Lowering

Two lactobacilli strains; Lactobacillus acidophilus ATCC 20079 and Lactobacillus plantarum ATCC 20179 and two bifidobacteria strains; Bifidobacterium bifidum GSGG 5286 and Bifidobacterium longum ATCC 15707 were studied their abilities to reduce the cholesterol content in vitro. It was investigated that the in vivo cholesterol-lowering effect of L. plantarum ATCC 20179, B. bifidum GSGG 5286 and mixture of both probiotics (L. plantarum ATCC20179 and B. bifidum GSGG5286) on hyperlipidaemic rats for 8 weeks. All lactobacilli and bifidobacteria strains assimilate the cholesterol content in laboratory media. It was observed the highest assimilation of cholesterol was in L. plantarum ATCC 20179 and B. bifidum GSGG 5286 strains. In vivo, L. plantarum ATCC 20179  group was more effective in improving serum lipid profile levels [total cholesterol (TC), triglycerides (TG), low density lipoprotein – cholesterol (LDL-C), high density lipoprotein – cholesterol                   (HDL-C), very low density lipoprotein – cholesterol (VLDL-C) and Atherogenic Index (AI)],                      liver enzyme activities (ALT, AST and ALP),  malonaldehyde (MDA), hydrogen peroxide (H2O2) and total antioxidants capacity (TAC) levels than mixed-organisms and B. bifidum groups, respectively of hyperlipidaemic rats. It was concluded that L. plantarum ATCC 20179 showed more                     favourable results than B. bifidum GSGG 5286 in relation to cardiovascular risk factors in hyperlipidaemic rats.

scholarly journals Chronic treatment of curcumin improves hepatic lipid metabolism and alleviates the renal damage in adenine-induced chronic kidney disease in Sprague-Dawley rats

2019 ◽  
Vol 20 (1) ◽  
Author(s):  
Hardik Ghelani ◽  
Valentina Razmovski-Naumovski ◽  
Dennis Chang ◽  
Srinivas Nammi
Keyword(s):  
Chronic Kidney Disease ◽  
Fatty Acids ◽  
Kidney Disease ◽  
Free Fatty Acids ◽  
Kidney Function ◽  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Atherogenic Index ◽  
Low Density ◽  
Cardiovascular Morbidity And Mortality

Abstract Background Chronic kidney disease (CKD), including nephrotic syndrome, is a major cause of cardiovascular morbidity and mortality. The literature indicates that CKD is associated with profound lipid disorders due to the dysregulation of lipoprotein metabolism which progresses kidney disease. The objective of this study is to evaluate the protective effects of curcumin on dyslipidaemia associated with adenine-induced chronic kidney disease in rats. Methods Male SD rats (n = 29) were divided into 5 groups for 24 days: normal control (n = 5, normal diet), CKD control (n = 6, 0.75% w/w adenine-supplemented diet), CUR 50 (n = 6, 50 mg/kg/day curcumin + 0.75% w/w adenine-supplemented diet), CUR 100 (n = 6, 100 mg/kg/day curcumin + 0.75% w/w adenine-supplemented diet), and CUR 150 (n = 6, 150 mg/kg/day curcumin + 0.75% w/w adenine-supplemented diet). The serum and tissue lipid profile, as well as the kidney function test, were measured using commercial diagnostic kits. Results The marked rise in total cholesterol, low-density lipoprotein (LDL) cholesterol, very low-density lipoprotein (VLDL) cholesterol, triglycerides and free fatty acids in serum, as well as hepatic cholesterol, triglyceride and free fatty acids of CKD control rats were significantly protected by curcumin co-treatment (at the dose of 50, 100 and 150 mg/kg). Furthermore, curcumin significantly increased the serum high-density lipoprotein (HDL) cholesterol compared to the CKD control rats but did not attenuate the CKD-induced weight retardation. Mathematical computational analysis revealed that curcumin significantly reduced indicators for the risk of atherosclerotic lesions (atherogenic index) and coronary atherogenesis (coronary risk index). In addition, curcumin improved kidney function as shown by the reduction in proteinuria and improvement in creatinine clearance. Conclusion The results provide new scientific evidence for the use of curcumin in CKD-associated dyslipidaemia and substantiates the traditional use of curcumin in preventing kidney damage.

scholarly journals Modulatory Effects of Some Fruit Juices on Lipid Profile in Rats Fed with High Lipid Diet

2020 ◽  
pp. 1-8
Author(s):  
Habibu Tijjani ◽  
Enoch Banbilbwa Joel ◽  
Carrol Domkat Luka
Keyword(s):  
Lipid Profile ◽  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Fruit Juices ◽  
Atherogenic Index ◽  
Ananas Comosus ◽  
Low Density ◽  
High Lipid ◽  
High Lipid Diet ◽  
Lipid Diet

Background: Hyperlipidemia is a predisposing factor to several cardiovascular diseases, including atherosclerosis, myocardial infarction, heart attacks and others. Aim: This study investigate the hypolipidemic properties of five selected fruits using rats pre-fed with High Lipid Diet (HLD) under experimental conditions. Methods: Raw fruit juices from Guava (Psidium guajava), Pawpaw (Carica papaya), Banana (Musa acuminata), Apple (Pyrus malus) and Pineapple (Ananas comosus) respectively, were administered orally at a dose of 7 ml/kg body weight for 14 days. Sera from the experimental rats were prepared for total cholesterol (TC), triglyceride (TG), High Density Lipoprotein (HDL) and Low Density Lipoprotein (LDL) assay, while Very Low Density Lipoprotein (VLDL) and Atherogenic Index (AI) were computed. Results: Feeding the experimental rats with High Lipid Diet increased their levels of TC, TG, LDL, VLDL and AI by 68.73%, 72.94%, 20.23%, 71.79% and 208.72% respectively with a corresponding decrease in HDL by 29.47%. Pineapple juice significantly reduced the levels of TC, TG, LDL, VLDL and AI by 84.44%, 69.39%, 95.19%, 70.15% and 96.99% respectively. Guava, banana and apple treated groups produced 56.72%, 23.88% and 07.46% increase in HDL respectively, with a non-significant (p<0.05) value in pawpaw treated group, when compared to the HLD untreated control. Phytochemical screening revealed the presence of alkaloids, flavonoids, saponins, cardiac glycosides, terpenes and steroids in all fruit juices and the absence of balsams and phenols. Conclusion: Consumption of the selected fruit juices improved lipid profile and reduced the risk associated with hyperlipidemia in experimental rats.

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