Rose Hip and Heart Disease

Helps Prevent Atherosclerotic Plaques

This study features the use of our ABCA1 Antibody. The ATP-binding cassette transporter (ABC) Protein called ABCA1 has a major impact on cellular and whole body cholesterol metabolism and is likely to play an important role in protecting against cardiovascular disease.

The authors conclude that rose hip is a suitable dietary supplement for preventing atherosclerotic plaques formation by modulating systemic blood pressure and the expression of RCT and inflammatory genes.Michele Cavalera, Ulrika Axling, Catarina Rippe, Karl Swärd, and Cecilia Holm. Dietary rose hip exerts anti-atherosclerotic effects and increases nitric oxide-mediated dilation in ApoE-null mice. The Journal of Nutritional Biochemistry. Available online 21 March 2017. http://dx.doi.org/10.1016/j.jnutbio.2017.02.017...Western blotting. Approximately 50 mg of tissue was homogenized in lysis buffer (50 mM Tris–HCl, pH 7.5, 1 mM EGTA, 1 mM EDTA, 1% NP40, 1 mM Na-orthovanadate, 40 mM NaF, 4 mM Na-pyrophosphate, 0.27 M sucrose, 1 mM DTT, 20 μg/ml leupeptin, 10 μg/ml antipain and 1 μg/ml pepstatin) and subsequently centrifuged at 12,000 g for 20 min at 4 °C. Protein concentration of the supernatant was determined using BCA-assay (Pierce) and 20 μg of proteins were resolved on NuPAGE 4–12% Bis-Tris Gel (Life Technologies – Carlsbad, CA) and electroblotted onto nitrocellulose membranes (Amersham, GE Healthcare – UK). The membranes were washed and incubated with primary and appropriate secondary antibodies. Primary antibodies used were: SR-B1 (ab3 - Abcam), beta-actin (A5441 – Sigma), Abca1 (MO13101 - Neuromics), Abcg1 (orb214917, Biorbyt), Abcg5 (orb5656, Biorbyt), Abcg8 (orb228808, Biorbyt), IL1b (orb101745, Biorbyt), IL6 (orb228222, Biorbyt), NF-kB (ab7970, Abcam) and HSP90 (BD610418, BD bioscience)...

RH supplementation modulates the reverse cholesterol transport pathway. (a) Liver qPCR analysis of cholesterol metabolism showed similar expression of genes involved in the synthesis and conversion of cholesterol into bile acids but increased expression of various RCT genes upon rose hip feeding (n=5–6).

(b) Protein levels of SR-B1, Abcg1 and Abcg5 were increased in the liver of RH-feeding mice (n=6). *P<.05, **P<.01 and ^P=.056 versus CTR.

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