Young adult females have higher blood docosahexaenoic acid (DHA), 22:6n‐3 levels than males, and this is believed to be due to higher DHA synthesis rates, although DHA may also accumulate due to a longer half‐life or a combination of both. However, sex differences in blood fatty acid responses to eicosapentaenoic acid (EPA), 20:5n‐3 or DHA supplementation have not been fully investigated. In this exploratory

Bovine milk is a complex mixture of lipids, proteins, carbohydrates, and other factors of which lipids comprise 3–5% of the total mass. Rapid analysis and characterization of the triacylglycerols (TAG) that comprise about 95% of the total lipid is daunting given the numerous TAG species. In the attached methods paper, we demonstrate an improved method for identifying and quantifying TAG species by

Dyslipidemias can affect molecular networks underlying the metabolic homeostasis and vascular function leading to atherogenesis at early stages of development. Since disease‐related proteins often interact with each other in functional modules, many advanced network‐oriented algorithms were applied to patient‐derived big data to identify the complex gene–environment interactions underlying the early

A continuous rise in demand for vegetable oils, which comprise mainly the storage lipid triacylglycerol, is fueling a surge in research efforts to increase seed oil content and improve fatty acid composition in oilseed crops. Progress in this area has been achieved using both conventional breeding and transgenic approaches to date. However, further advancements using traditional breeding methods will

Storage lipids, triacylglycerols (TAG), and steryl esters (SE), are predominant constituents of lipid droplets (LD) in fungi. In several yeast species, metabolism of TAG and SE is linked to various cellular processes, including cell division, sporulation, apoptosis, response to stress, and lipotoxicity. In addition, TAG are an important source for the generation of value‐added lipids for industrial

Dietary n‐3 fatty acids, especially of marine origin, eicosapentaenoic acid (20:5n‐3) and docosahexaenoic acid (22:6n‐3), have always been lauded for their profound effects on regulating the risk factors for major metabolic disorders. Yet, their consumption rate is poor compared to n‐6 fatty acids [linoleic acid (18:2n‐6)], which are predominantly consumed. Hence, the skewed n‐6 to n‐3 fatty acid ratio

A finishing diet strategy is effective at increasing fillet long‐chain n‐3 fatty acid content in fish consuming sustainable plant oil‐based diets. This study investigates the outcomes of a fish oil finishing diet upon the hepatic fatty acid and transcriptome profile in rainbow trout (Oncorhynchus mykiss). Fish were placed on one of three feeding treatments: (1) FO: a fish oil (FO) diet for 20 weeks

The fatty acid composition of human follicular fluid is important for oocyte development and for pregnancy following in vitro fertilization (IVF). This study investigated whether a dietary intervention that included an increase in marine omega‐3 fatty acids, olive oil and vitamin D alters the fatty acid composition of human follicular fluid. The association of lifestyle factors with follicular fluid

Sphingomyelin (SM) with N‐α‐hydroxy fatty acyl residues (hSM) has been shown to occur in mammalian skin and digestive epithelia. However, the metabolism and physiological relevance of this characteristic SM species have not been fully elucidated yet. Here, we show methods for mass spectrometric characterization and quantification of hSM. The hSM in mouse skin was isolated by TLC. The hydroxy hexadecanoyl

Ethanolamine plasmalogen (PlsEtn), a sub‐class of ethanolamine glycerophospholipids (EtnGpl), is a universal phospholipid in mammalian membranes. Several researchers are interested in the relationship between colon carcinogenesis and colon PlsEtn levels. Here, we evaluated the functional role of dietary purified EtnGpl from the ascidian muscle (87.3 mol% PlsEtn in EtnGpl) and porcine liver (7.2 mol%

Sphingosine‐1‐phosphate lyase 1 (S1P lyase or SGPL1) is an essential sphingosine‐1‐phosphate‐degrading enzyme. Its manipulation favors onset and progression of colorectal cancer and others in vivo. Thus, SGPL1 is an important modulator of cancer initiation. However, in established cancer, the impact of retrospective SGPL1 modulation is elusive. Herein, we analyzed how SGPL1 siRNA affects malignancy

Previous studies have explored the relationship between homocystein (Hcy) and lipid profiles. However, the results from these studies have been inconsistent. The current study investigated the correlation between Hcy and lipid profiles in Chinese community‐based population. The participants were composed of 4012 Chinese people aged 30–92 years old, who were recruited from rural and urban communities

The prevalence of colorectal cancer (CRC) continues to increase. Treatment of CRC remains a significant clinical challenge, and effective therapies for advanced CRC are desperately needed. Increasing attention and ongoing research efforts have focused on krill oil that may provide health benefits to the human body. Here we report that krill oil exerts in vitro anticancer activity through a direct inhibition

We aimed to compare detailed fat distribution and lipid profile between young adults with congenital adrenal hyperplasia due to 21‐hydroxylase enzyme deficiency and a control group. We also verified independent associations of treatment duration and daily hydrocortisone dose equivalent (HDE) with lipid profile within patients. This case–control study included 23 patients (7 male and 16 female) matched

The only known compositional change in the phospholipids (PL) of pulmonary surfactant in response to a physiologic stimulus occurs around the time of birth. In most species, the predominant anionic PL changes from phosphatidylinositol (PtdIns) to phosphatidylglycerol (PtdGro). Because prior studies have shown that the change in the headgroup itself is functionally insignificant, we tested the hypothesis

The ratio of monocyte to high‐density lipoprotein cholesterol level (MHR) was a newly proposed inflammatory and oxidative stress marker. This study aimed to explore the association between MHR and Brachial‐ankle pulse wave velocity (Ba‐PWV) in adult Chinese participants. A total of 2029 participants were divided into two groups according to the Ba‐PWV: a high Ba‐PWV group (Ba‐PWV ≥1400 cm/s) and a

In order to encourage the survival of both captive and wild populations of bonefish (Albula vulpes), a deeper understanding of the species' early developmental characteristics is necessary. During ontogenesis, bonefish utilize lipids as a source of energy before the start of exogenous feeding. The goal of this study is to gain insight into the energetic needs of bonefish leptocephalus larvae in the

The uptake of specific fatty acids in humans is dependent on their position on the glycerol backbone. There is a great interest in methods that can access this information fast and accurately. By way of high‐resolution NMR, we have analyzed TAG extracted from pig and beef tissues and obtained quantitative data for the composition and regioisomeric distribution of all major unsaturated fatty acids usually

Low‐density lipoprotein cholesterol to high‐density lipoprotein cholesterol (LDL‐C/HDL‐C) ratio may carry additional information and has been suggested as a better predictor for atherosclerosis progression and cardiovascular disease (CVD) than LDL‐C and HDL‐C alone. Therefore, we aim to explore the association between LDL‐C/HDL‐C ratio and high carotid intima‐media thickness (CIMT) risk in a large

Elevated postprandial triacylglycerols (TAG) are an important risk factor for cardiovascular disease. Men have higher plasma TAG and impaired TAG clearance compared to women, which may contribute to sex differences in risk of cardiovascular disease. Understanding mechanisms of sex differences in TAG metabolism may yield novel therapeutic targets to prevent cardiovascular disease. Cholesteryl ester

Eutrophication of the Florida Everglades, USA, has altered the characteristics of the ecosystem, but management strategies are being implemented to accelerate recovery. In this study, we described lipid compositional similarities and differences between periphyton, fish, and crustaceans, and explored if eutrophication and creation of new open‐water sloughs in phosphorus (P)‐impacted regions of a Northern

Apolipoprotein A‐V encoded by apolipoprotein 5 (APOA5) gene plays an important role in lipid metabolism, especially in the regulation of plasma triglycerol levels. The study aimed to evaluate the association of the APOA5‐rs662799 polymorphism with dyslipidemia in Vietnamese children and the potential modification of obesity‐related traits (body mass index, waist circumference, hip circumference, and

Lipid composition of liposomal bilayer should alter the cell response for permeability, transport, and uptake in small intestine. This work was done to investigate the transport and uptake of liposomes composed of docosahexaenoic acid‐enriched phosphatidylcholine (PtdCho), phosphatidylserine (PtdSer), and sulfoquinovosyl diacylglycerol (SQDG) derived from marine products on multilamellar vesicles (MLV)

There has been increasing interest in vegan diets, but how this dietary pattern regulates tissue fatty acids (FA), especially in men, is unclear. Our aim was to evaluate the effect of a vegan diet on plasma, erythrocyte, and spermatozoa FA composition in young men. Two groups consisting of 67 young (18–25 years old) men were studied. One group following an omnivore diet but did not consume fish, shellfish

Human milk contains oxylipins involved in infant development. Although oxylipins have been identified in whole or skim milk, their localization within human milk cream, cell, and skim fractions is not known. This study determined the distribution of free and esterified oxylipins in cream, cell, and skim fractions of human milk. Out of 72 oxylipins probed by mass‐spectrometry, 42, 29, and 41 oxylipins

Vegetable oils are one of the main agricultural commodities. Demand has been increasing steadily over the last five decades and, with finite land available, it is vital that we increase productivity. My laboratory has focused on the regulation of plant lipid metabolism and, as part of this work, we identified diacylglycerol acyltransferase (DGAT) as important at regulating carbon flux during oil accumulation

In the present study, we demonstrated that borage (Borago officinalis L.) seed oil subjected to immobilized lipase pretreatment are enriched with linoleic acid (LNA, 18:2n‐6), γ‐linolenic acid (GLA, 18:3n‐6), and oleic acid (OLA, 18:1n‐9). We further showed that lipase‐treated borage oil (LT‐BOL) regulates the activity and degradation of tyrosinase, an important enzyme implicated in the synthesis of

We performed a cross‐sectional study on 215 Japanese employees aged 20–68 years to investigate the association between NAFLD and serum phospholipid fatty acid composition. NAFLD was diagnosed by ultrasonography. The fatty acid composition between the control and NAFLD groups was compared, and the inverse probability of treatment weighting (IPTW) was performed to eliminate each confounding effect of

Oxidized polyunsaturated fatty acids (PUFA) are associated to pathogenesis of diseases including cardiovascular and neurodegeneration. The novel products are not only biomarkers but also lipid mediators in gene regulation and signaling pathways. Herein, simultaneous quantitation of 28 products derived from nonenzymatic and enzymatic oxidation of PUFA i.e. 5‐, 15‐F2t‐isoprostanes, 7‐, 17‐F2t‐dihomo‐isoprostanes

To better understand how docosahexaenoic acid (DHA) improves the effects of doxorubicin (DOX), we examined DHA ± DOX on changes in whole cell and lipid raft phospholipids (PL) of MDA‐MB‐231 and MCF‐7 breast cancer cells. We sought to confirm whether the relative changes in PL DHA content of MDA‐MB‐231 cells could be extended to PL from MDA‐MB‐231 tumors grown in mice fed a DHA supplemented diet ±DOX

Cellular lipid metabolism, lipoprotein interactions, and liver X receptor (LXR) activation have been implicated in the pathophysiology and treatment of cancer, although findings vary across cancer models and by lipoprotein profiles. In this study, we investigated the effects of human‐derived low‐density lipoproteins (LDL), high‐density lipoproteins (HDL), and HDL‐associated proteins apolipoprotein

Cardiovascular disease (CVD) is a leading cause of death worldwide. Elevated concentrations of serum total cholesterol (TC) and low‐density lipoprotein cholesterol (LDL‐C) are major lipid biomarkers that contribute to the risk of CVD. Phytosterols well known for their cholesterol‐lowering ability, are non‐nutritive compounds that are naturally found in plant‐based foods and can be classified into plant

Soybean (Glycine max) meal is an important protein source. Soybean meal with lower phytate and oligosaccharides improves meal quality. A single recessive mutation in soybean myo‐inositol 1‐phosphate synthase (Gm‐lpa‐TW75‐1) confers a seed phenotype with low phytate and increased inorganic phosphate. The mutant was crossed with high oil lines expressing a diacylglycerol acyltransferase1 (DGAT) gene

Mucopolysaccharidosis type I (MPS I) is a lysosomal disease with progressive central nervous system involvement. This study examined the lipid, cholesterol, and myelin basic protein composition of white matter in the corpus callosum of MPS I mice. We studied 50 week‐old, male MPS I mice and littermate, heterozygote controls (n = 12 per group). Male MPS I mice showed lower phosphatidylcholine and ether‐linked

Lipidomics is a rapidly growing field, fueled by developments in analytical instrumentation and bioinformatics. To date, most researchers and industries have employed their own lipidomics workflows without a consensus on best practices. Without a community‐wide consensus on best practices for the prevention of lipid degradation and transformations through sample collection and analysis, it is difficult

Wax esters (WE) belong to the class of neutral lipids. They are formed by an esterification of a fatty alcohol and an activated fatty acid. Dependent on the chain length and desaturation degree of the fatty acid and the fatty alcohol moiety, WE can have diverse physicochemical properties. WE derived from monounsaturated long‐chain acyl moieties are of industrial interest due to their very good lubrication

Changes in maternal insulin sensitivity and circulating lipids typically occur during the metabolic transitions of pregnancy and lactation. Although ceramides can cause insulin resistance in mammals, their potential roles during pregnancy and lactation are unknown. We hypothesized that changes in lipids like ceramide and triglycerides could occur across different reproductive states and relate to insulin

Lipids such as cholesterol, triacylglycerols, and fatty acids play important roles in the regulation of cellular metabolism and cellular signaling pathways and, as a consequence, in the development of various diseases. It is therefore important to understand how their metabolism is regulated to better define the components involved in the development of various human diseases. In the present work,

Vitamin D (VD) has the function of antibacteria and protect intestinal mucosa. Diacylglycerol has the property of dissolving VD, anti‐bacterial, and antioxidant effects. The purpose of this study was to explore the potentially synergistic effects of diacylglycerol and VD in ameliorating dextran sodium sulfate‐induced colitis in rats. A 2 × 3 factorial design was used in this experiment, consisting

This short report describes the relationships between concentrations of ceramides (CER), diacylglycerols (DAG), triacylglycerols (TAG) in very low‐density lipoproteins (VLDL) particles, and hepatic lipid accumulation. VLDL particles were isolated from male subjects (n = 12, mean ± SD, age 42.1 ± 5.4 years, BMI 37.4 ± 4.1 kg/m2, ALT 45 ± 21 U/L) and apolipoprotein B100 (apoB100), VLDL‐TAG, ‐CER, and

In China, Camellia oleifera oil (COO) is not only a common edible oil but also a traditional remedy widely applied to ameliorate a variety of illnesses associated with inflammation, such as mouth ulcers, thrush, eczema, etc. However, there has been a lack of relevant biological research on the anti‐inflammatory capacity of COO, and the specific bioactive lipid phytochemicals contributing to the anti‐inflammatory

The purpose of this study was to examine the association of birthweight with lipid profile in the general adult population. Participants in the second‐wave of a nationally representative cross sectional AusDiab‐study were asked to complete a birthweight questionnaire. Fasting total cholesterol (TC), LDL‐C, HDL‐C, and triacylglycerol levels were modeled against birthweight. Four thousand five hundred

Guinea pigs are assumed to practice caecotrophy to a higher degree than rats. Studies from leporids suggest that through the practice of caecotrophy, hindgut fermenting species could build up microbial fatty acids (FA) in body tissues. We hypothesized that microbial FA would be detectable in the body tissue of guinea pigs and rats, and this to a higher degree in guinea pigs. Twenty‐four rats and guinea

The synthesis of undecylenic acid partial esters can be performed at mild temperature with a classical esterification reaction catalyzed by dodecylbenzene sulfonic acid (DBSA). A semi‐empirical molecular modeling on the different reaction intermediates indicates that DBSA can strongly decrease their heats of formation through hydrogen bonding. Diester formation seems to be thermodynamically favored

Ad libitum‐fed diets high in fat and carbohydrate (especially fructose) induce weight gain, obesity, and nonalcoholic fatty liver disease (NAFLD) in humans and animal models. However, interpretation is complicated since ad libitum feeding of such diets induces hyperphagia and upregulates expression of liver fatty acid binding protein (L‐FABP)—a protein intimately involved in fatty acid and glucose

Moderate alcohol consumption is associated with increased plasma high‐density lipoprotein (HDL)‐cholesterol concentrations and reduced risk for cardiovascular disease. Plasma cholesteryl ester transfer activity (CETA) mediates the exchange of HDL‐cholesteryl ester (CE) for the triacylglycerol (TAG) of very‐low‐density lipoproteins. We compared the effects of oral challenges of Alcohol, saturated fat

Nonalcoholic fatty liver disease (NAFLD) is associated with an imbalance in fatty acid composition and can progress from simple steatosis to steatohepatitis, liver cirrhosis, and hepatocellular carcinoma. Essential phospholipids (EPL), which contain high levels of 1,2‐dilinoleoylphosphatidylcholine, can be used to treat NAFLD. Polyenylphosphatidylcholine (PPC) preparations are external, commercially

As the largest secondary lymphoid organ, the spleen plays an important role in immune responses. The role of arachidonic acid (ARA) and its 20‐carbon eicosanoids in modulating immune function has long been of interest. However, recent advances have enabled the identification of numerous other n‐6 and n‐3 polyunsaturated fatty acid (PUFA)‐derived oxylipins. Here, we investigate the effects of diet and

Studies have elucidated that pyrethroids induce adipogenesis. It is also known that macrophages can affect the homeostasis of adipose tissue. However, whether and how the β‐cypermethrin (β‐CYP)‐mediated inhibition of the macrophages affects adipogenesis remain unknown. To explore the effects of β‐CYP on adipogenesis through modulating the function of macrophages, 3T3‐L1 cells, a preadipocyte cell line

Lipids are stored at various sites inside the body as adipose tissue (AT). These include subcutaneous, abdominal, and intermuscular locations. The AT substantially differ in their metabolic function. It is, however, unclear whether AT have specific requirements for individual essential n‐3 and n‐6 fatty acids (FA). If so, control mechanisms would partition FA from the blood. To investigate the hypothesis

The common genetic variant in the promoter region of the hepatic lipase gene [LIPC −250G/A(rs2070895)] has an ambiguous association with cardiovascular disease. In this context, our study was performed to identify the relationships between the rs2070895 with carotid atherosclerosis, plasma lipids, and parameters of reverse cholesterol transport. A total of 285 normolipidemic and asymptomatic participants

We investigated plasma sphingomyelin (CerPCho) and ceramide (Cer) levels in pediatric patients with cystic fibrosis (CF) and primary ciliary dyskinesia (PCD). Plasma samples were obtained from CF (n = 19) and PCD (n = 7) patients at exacerbation, discharge, and stable periods. Healthy children (n = 17) of similar age served as control. Levels of 16–24 CerPCho and 16–24 Cer were measured by LC–MS/MS

Castor oil contains approximately 90% ricinoleic acid (RA) which is stored mainly in the form of tri‐ricinoleic acid containing triacylglycerols (TAG). Ricinoleate is synthesized from oleate (18:1n‐9) esterified to the sn‐2 position of phosphatidylcholine (PtdCho) catalyzed by oleoyl‐12‐hydroxylase. PtdCho‐derived diacylglycerol (DAG) is an important substrate pool for TAG synthesis, and the interconversion

Studies on the model plant Arabidopsis thaliana have uncovered the identities of most enzymatic components involved in seed storage lipid biosynthesis. However, much remains to be learned on how pathway interactions operate in the seed metabolic network. In this study, we dissected seed glycerolipid molecular compositional changes in the Arabidopsis mutant deficient in diacylglycerol acyltransferase

Fatty acids (FA) of two species of abyssal Echinodermata—the sea star (Asteroidea) Eremicaster vicinus and the sea urchin (Echinoidea) Kamptosoma abyssale—from the Kuril–Kamchatka Trench, collected at depths of 5210 and 6183 m, were analyzed. Lipids of these deposit‐feeding animals showed similar FA compositions: 20.05–16.08% saturated, 42.20–39.50% monoenoic, and 37.75–44.42% polyunsaturated FA, respectively

Trans‐10, cis‐12 conjugated linoleic acid (CLA) is a potent inhibitor of milk fat synthesis in the cow and similarly reduces milk fat in rodents. The objective of this study was to determine whether dietary fat can overcome CLA inhibition of milk fat concentration in lactating mice. Wild type C57Bl/6J mice (n = 31) were fed semipurified diets containing either low fat (LF; 4% fat) or high fat (HF;

In this study, to obtain further information on the structural diversity of non‐methylene‐interrupted (NMI) fatty acids (FA) in the gonads of the limpet Cellana toreuma, previously unreported minor NMI FA, fractionated by argentation thin‐layer chromatography (TLC), in the ovaries were characterized by gas chromatography–mass spectrometry (GC–MS) analysis of their 3‐pyridylcarbinol derivatives. As

Plants use fatty acids to synthesize acyl lipids for many different cellular, physiological, and defensive roles. These roles include the synthesis of essential membrane, storage, or surface lipids, as well as the production of various fatty acid‐derived metabolites used for signaling or defense. Fatty acids are activated for metabolic processing via a thioester linkage to either coenzyme A or acyl

Coenzyme Q10 (CoQ10) is a strongly hydrophobic lipid that functions in the electron transport chain and as an antioxidant. CoQ10 was conferred with aqueous solubility by incorporation into nanoparticles containing phosphatidylcholine (PtdCho) and apolipoprotein (apo) A‐I. These particles, termed CoQ10 nanodisks (ND), contain 1.0 mg CoQ10/5 mg PtdCho/2 mg apoA‐I (97% CoQ10 solubilization efficiency)