Evidence mapPaperPMID 26924713Full record

ArticleBMC complementary and alternative medicine2016

Effects of phenolic-rich extracts of Clinacanthus nutans on high fat and high cholesterol diet-induced insulin resistance.

Nadarajan Sarega, Mustapha Umar Imam, Norhaizan Md Esa, Norhasnida Zawawi, Maznah Ismail

Open access · goldAbstract read
In one paragraph

Article in BMC complementary and alternative medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
3.9field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 29 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Nadarajan SaregaInstitute of Bioscience, Laboratory of Molecular Biomedicine, Universiti Putra Malaysia, Serdang, Selangor, 43400, Malaysia.
Mustapha Umar ImamInstitute of Bioscience, Laboratory of Molecular Biomedicine, Universiti Putra Malaysia, Serdang, Selangor, 43400, Malaysia. mustyimam@gmail.com.
Norhaizan Md EsaDepartment of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, 43400, Malaysia.
Norhasnida ZawawiDepartment of Food Science, Faculty of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor, 43400, Malaysia.
Maznah IsmailInstitute of Bioscience, Laboratory of Molecular Biomedicine, Universiti Putra Malaysia, Serdang, Selangor, 43400, Malaysia. maznahis@upm.edu.my.
Universiti Putra Malaysia · MY

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundClinacanthus nutans is used traditionally in many parts of Asia to improve well-being, but there are limited studies on its efficacy. We explored the potential use of C. nutans for prevention of high fat and high cholesterol diet-(HFHC-) induced insulin resistance in rats.

methodsThe leaf of C. nutans was extracted using water (AL extract) and methanol (AML extract), and the extracts were fed to rats alongside the HFHC diet for 7 weeks, and compared with simvastatin. Oral glucose tolerance test, and serum insulin, retinol binding protein 4 (RBP4), adiponectin and leptin were measured. Homeostatic model assessment of insulin resistance (HOMA-IR) was computed, while transcriptional regulation of hepatic insulin signaling genes was also assessed.

resultsGlycemic response was higher in the HFHC group compared with the AL and AML groups, which also had lower serum RBP4, fasting glucose, insulin and HOMA-IR. Serum adiponectin levels were higher, while leptin levels were lower in the AML and AL groups compared to the HFHC group. There was upregulation of the Insulin receptor substrate, phosphotidyl inositol-3-phosphate, adiponectin receptor and leptin recetor genes, in comparison with the HFHC group.

conclusionsOverall, the results showed that the HFHC diet worsened metabolic indices and induced insulin resistance partly through transcriptional regulation of the insulin signaling genes. C.nutans, on the other hand, attenuated the metabolic effects and transcriptional changes induced by the HFHC diet. The results suggested that C.nutans may be a good source of functional ingredient for the prevention of insulin resistance.

Indexed as

Diet, High-FatInsulin ResistanceAcanthaceaeAdiponectinAnimalsBlood GlucoseCholesterol, DietaryDietary FatsInsulinInsulin Receptor Substrate ProteinsLeptinPhenolsPhosphatidylinositol PhosphatesPhytotherapyPlant ExtractsRats, Sprague-DawleyAdiponectinBlood GlucoseCholesterol, DietaryDietary FatsInsulinInsulin Receptor Substrate ProteinsLeptinPhenolsPhosphatidylinositol PhosphatesPlant ExtractsRbp4 protein, ratReceptors, AdipokineRetinol-Binding Proteins, Plasma

Identifiers

PMID26924713
PMCPMC4770701
OpenAlexW2279253298

What Socratic holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.