Results 51 to 60 of about 7,967 (170)

Side chain hydroxylation of cholesterol, campesterol and β-sitosterol in rat liver mitochondria

open access: yesJournal of Lipid Research, 1976
The extent of the side chain hydroxylation of cholesterol, campesterol (24 alpha-methylcholesterol), and beta-sitosterol (24 alpha-ethylcholesterol) in rat liver mitochondria has been compared. Two beta-sitosterol metabolites, tentatively identified by liquid chromatography, thin-layer chromatography, gas-liquid chromatography, combined with ...
L Aringer, P Eneroth, L Nordström
openaire   +3 more sources

ABCG5 and ABCG8 require MDR2 for secretion of cholesterol into bile

open access: yesJournal of Lipid Research, 2005
The major pathway for the removal of cholesterol from the body is via secretion into the bile. Three members of the ATP binding cassette (ABC) family, ABCG5 (G5), ABCG8 (G8), and ABCB4 (MDR2), are required for the efficient biliary export of sterols ...
Silvia Langheim   +6 more
doaj   +1 more source

Corn Starch‐Pink Peppercorn Composite Biofilms as Potential Biodegradable Food Packaging

open access: yesStarch - Stärke, Volume 78, Issue 6, June 2026.
Biodegradable packaging produced with renewable raw materials is important to sustainability. In this sense, starch‐based biofilms modified with different forms of pink peppercorn could be useful as potential biocompatible, biodegradable materials for food protection, understanding the physiochemical interactions between biofilm and fruit during the ...
Julimara Dacas Gonçalves Flores   +3 more
wiley   +1 more source

Ajuga Δ24-Sterol Reductase Catalyzes the Direct Reductive Conversion of 24-Methylenecholesterol to Campesterol [PDF]

open access: yesJournal of Biological Chemistry, 2016
Dimunito/Dwarf1 (DWF1) is an oxidoreductase enzyme that is responsible for the conversion of C28- and C29-Δ(24(28))-olefinic sterols to 24-methyl- and 24-ethylcholesterols. Generally, the reaction proceeds in two steps via the Δ(24(25))intermediate. In this study, we characterized theArDWF1gene from an expression sequence tag library ofAjuga reptansvar.
Yuki, Tsukagoshi   +5 more
openaire   +2 more sources

GC-MS Analysis of the Ayurvedic Oil Balaswagandhadi Tailam

open access: yesJournal of Pharmacy and Bioallied Sciences
Background: To evaluate the efficacy of alternative medications such as Ayurveda, Sidha, and Unani, the application of advanced analytical tools is essential.
Aparna Sudhan   +8 more
doaj   +1 more source

From pollen provision to pollinator: Species‐specific sterol assimilation by wild bees in urban landscapes

open access: yesFunctional Ecology, Volume 40, Issue 6, Page 1906-1920, June 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Human‐driven landscape change, particularly urbanization, is reshaping pollinator communities, yet the functional traits that mediate species persistence remain poorly understood. Dietary specialization is commonly used to predict species vulnerability.
Yan Yang   +5 more
wiley   +1 more source

Transcriptional Modulation of the Nrf2 Antioxidant Pathway and Tight Junctions by a Plant Sterol Food Supplement in an Intestinal Inflammation Coculture Model

open access: yesJournal of Food Science, Volume 91, Issue 6, June 2026.
ABSTRACT There is growing evidence supporting the anti‐inflammatory activity of plant sterols (PS) in preclinical models of intestinal inflammation. However, the underlying mechanisms driving these beneficial effects remain incompletely understood. This study investigates the transcriptional modulatory activity of a PS food supplement (PS‐FS) on genes ...
Mussa Makran   +4 more
wiley   +1 more source

High cholesterol absorption efficiency enhances proatherogenic properties of low‐density lipoprotein particles

open access: yesJournal of Internal Medicine, Volume 299, Issue 6, Page 711-725, June 2026.
Abstract Background and Aims High cholesterol absorption efficiency is determined by genetic variation in small intestinal sterol transporters and affects one‐third of individuals. Their risk for atherosclerotic cardiovascular disease (ASCVD) is increased compared with low cholesterol absorbers, despite similar serum lipid concentrations.
Katariina Öörni   +7 more
wiley   +1 more source

Phytosterols Augment Endurance against Interactive Effects of Heat and Drought Stress on Biochemical Activities of Citrullus lanatus var. citroides (L.H. Bailey) Mansf. Ex Greb

open access: yesInternational Journal of Plant Biology
Water deficit and heat are the primary abiotic stresses affecting plants. We conducted in vitro experiments to investigate how citron watermelon seedlings respond to water deficit and heat, focusing on growth, water status, reserve mobilization ...
Takudzwa Mandizvo   +3 more
doaj   +1 more source

Dietary intake of plant sterols stably increases plant sterol levels in the murine brain

open access: yesJournal of Lipid Research, 2012
Plant sterols such as sitosterol and campesterol are frequently administered as cholesterol-lowering supplements in food. Recently, it has been shown in mice that, in contrast to the structurally related cholesterol, circulating plant sterols can enter ...
Tim Vanmierlo   +14 more
doaj   +1 more source

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