scholarly journals Beneficial Effects of an Aged Black Garlic Extract in the Metabolic and Vascular Alterations Induced by a High Fat/Sucrose Diet in Male Rats

Nutrients ◽  
2019 ◽  
Vol 11 (1) ◽  
pp. 153 ◽  
Author(s):  
Sara Amor ◽  
Daniel González-Hedström ◽  
Beatriz Martín-Carro ◽  
Antonio Inarejos-García ◽  
Paula Almodóvar ◽  
...  
Keyword(s):  
Gene Expression ◽  
Adipose Tissue ◽  
Density Lipoprotein ◽  
Lipoprotein Cholesterol ◽  
Mrna Levels ◽  
Serum Concentrations ◽  
High Fat ◽  
Ppar Γ ◽  
Sucrose Diet ◽  
Aged Black Garlic

Aged black garlic (ABG) is a functional food with antioxidant and anti-inflammatory properties. Recent studies also report its beneficial metabolic effects in a context of obesity or diabetes, although the mechanisms involved are poorly understood. The aim of this work was to analyze the effects of an ABG extract in the vascular and metabolic alterations induced by a high-fat/sucrose diet in rats. For this purpose, male Sprague–Dawley rats were fed either a standard chow (controls; n = 12) or a high-fat/sucrose diet (HFD; n = 24) for 16 weeks. From week 8 on, half of the HFD rats were treated with a commercial ABG extract concentrated in S-allyl cysteine and melanoidins (ABG10+®; 250 mg/kg daily by gavage; 5 mL/kg). ABG10+®-treated rats showed lower mean caloric intake, body weight, triglycerides, low density lipoprotein cholesterol (LDL-c), insulin and leptin serum concentrations and higher high density lipoprotein cholesterol (HDL-c) and adiponectin serum concentrations than non-treated rats. In the hypothalamus, ABG10+® treatment induced an increase in the gene expression of proopiomelanocortin (POMC) and a decrease in leptin receptor (ObR) mRNA levels. No significant changes were found in visceral adipose tissue except for an overexpression of β3-adrenergic receptor (β3-ADR) in ABG-treated rats. In subcutaneous adipose tissue, ABG10+® treatment decreased adipose weight and downregulated the gene expression of PPAR-γ, LPL, ObR and HSL. In brown adipose tissue, an overexpression of InsR, GLUT-4, UCP-1 and β3-ADR in ABG10+®-treated rats was found, whereas PPAR-γ mRNA levels were significantly decreased. Regarding vascular function, ABG10+® treatment attenuated the obesity-induced vasoconstriction in response to potassium chloride both in presence/absence of perivascular adipose tissue (PVAT). On the contrary, aorta segments from ABG-treated rats showed and improved relaxation in response to acetylcholine only when PVAT was present, with this fact possible being related to the decreased gene expression of proinflammatory cytokines in this tissue. In conclusion, ABG10+® administration partially improves the metabolic and vascular alterations induced by a high-fat/high-sucrose diet in rats through modifications in the gene expression of proteins and neuropeptides involved in inflammation, fat metabolism and food intake regulation. Further studies are required to assess the bioavailability of ABG between rats and humans.

scholarly journals Effect of Soybean and Soybean Koji on Obesity and Dyslipidemia in Rats Fed a High-Fat Diet: A Comparative Study

2021 ◽  
Vol 18 (11) ◽  
pp. 6032
Author(s):  
Sihoon Park ◽  
Jae-Joon Lee ◽  
Hye-Won Shin ◽  
Sunyoon Jung ◽  
Jung-Heun Ha
Keyword(s):  
Adipose Tissue ◽  
White Adipose Tissue ◽  
High Fat Diet ◽  
Unsaturated Fatty Acids ◽  
Density Lipoprotein ◽  
Serum Triglyceride ◽  
Lipoprotein Cholesterol ◽  
Health Concern ◽  
High Fat ◽  
Cholesterol Levels

Soybean koji refers to steamed soybeans inoculated with microbial species. Soybean fermentation improves the health benefits of soybeans. Obesity is a serious health concern owing to its increasing incidence rate and high association with other metabolic diseases. Therefore, we investigated the effects of soybean and soybean koji on high-fat diet-induced obesity in rats. Five-week-old male Sprague-Dawley rats were randomly divided into four groups (n = 8/group) as follows: (1) regular diet (RD), (2) high-fat diet (HFD), (3) HFD + steamed soybean (HFD+SS), and (4) HFD + soybean koji (HFD+SK). SK contained more free amino acids and unsaturated fatty acids than SS. In a rat model of obesity, SK consumption significantly alleviated the increase in weight of white adipose tissue and mRNA expression of lipogenic genes, whereas SS consumption did not. Both SS and SK reduced serum triglyceride, total cholesterol, and low-density lipoprotein cholesterol levels, and increased high-density lipoprotein cholesterol levels. SS and SK also inhibited lipid accumulation in the liver and white adipose tissue and reduced adipocyte size. Although both SS and SK could alleviate HFD-induced dyslipidemia, SK has better anti-obesity effects than SS by regulating lipogenesis. Overall, SK is an excellent functional food that may prevent obesity.

scholarly journals Beta-sitosterol upregulated paraoxonase-1 via peroxisome proliferator-activated receptor-γ in irradiated rats

2017 ◽  
Vol 95 (6) ◽  
pp. 661-666 ◽  
Author(s):  
Enas Mahmoud Moustafa ◽  
Noura Magdy Thabet
Keyword(s):  
Oxidative Stress ◽  
Gene Expression ◽  
Enzyme Activities ◽  
Liver Tissue ◽  
Density Lipoprotein ◽  
Lipoprotein Cholesterol ◽  
Oxidative Stress Marker ◽  
Peroxisome Proliferator ◽  
Peroxisome Proliferator Activated Receptor ◽  
Ppar Γ

This study was designed to evaluate the effect of beta-sitosterol (BS) on the peroxisome proliferator-activated receptor gamma (PPAR-γ) gene expression role in the activity of paraoxonase (PON-1) enzyme in oxidative stress status of irradiated rats. Animals were exposed to whole body γ-radiation single dose 6 Gy and received BS dose (40 mg·(kg body mass)−1·day−1, orally). In liver tissue, gene expression of PPAR-γ ligand was determined. Oxidative stress marker (malondialdehyde, MDA) and antioxidant enzyme activities (superoxide dismutase (SOD), catalase (CAT), PON-1, and arylesterase (ARE)) were assayed in serum and liver tissue. Also, serum lipid profile (cholesterol, triglycerides (TG), low-density lipoprotein cholesterol (LDL-c), and high-density lipoprotein cholesterol (HDL-c)) was measured. In irradiated animals that received BS, expression of PPAR-γ ligand increase significantly associated with increase in PON-1 and ARE enzyme activities. Also, the activities of SOD, CAT enzymes, and HDL-c levels display elevation. By contrast, significant decrease in MDA content, cholesterol, TG, and LDL-c levels were revealed after BS administration. Our findings in this study provide the evidence that BS has radio-protective effect via regulating the gene expression of PPAR-γ, causing an increase in PON-1 and ARE enzyme activities. This action of BS is due to its free radical scavenging properties, antioxidant effect, lowering of cholesterol, and PPAR-γ agonist properties.

scholarly journals Kale supplementation during high fat feeding improves metabolic health in a mouse model of obesity and insulin resistance

PLoS ONE ◽  
2021 ◽  
Vol 16 (8) ◽  
pp. e0256348
Author(s):  
Samnhita Raychaudhuri ◽  
Si Fan ◽  
Olivia Kraus ◽  
Md. Shahinozzaman ◽  
Diana N. Obanda
Keyword(s):  
Gene Expression ◽  
Insulin Resistance ◽  
Adipose Tissue ◽  
Lipid Metabolism ◽  
Cardiovascular Health ◽  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
High Fat ◽  
Serum Triglycerides ◽  
Markers Of Inflammation

Cruciferous vegetables have been widely studied for cancer prevention and cardiovascular health. Broccoli is the cruciferous vegetable whose phytochemistry and physiological effects have been most extensively studied. Kale (Brassica oleracea var. acephala) appears on lists of ‘healthiest, nutrient dense foods’ but, there is paucity of data on kale as a functional food. In a 12-week study, we tested the effect of curly green kale on high fat diet (HFD) induced obesity and insulin resistance, lipid metabolism, endotoxemia and inflammation in C57BL/6J mice fed isocaloric diets. Kale supplementation did not attenuate HFD diet induced fat accumulation and insulin resistance (P = ns; n = 9) but, it lowered serum triglycerides, low density lipoprotein (LPL) cholesterol and prevented HFD induced increases in systemic endotoxemia and inflammation (serum LPS and Ccl2) (P<0.01; n = 9). In adipose tissue, kale enhanced the expression of genes involved in adipogenesis (P<0.01; n = 9), reduced the appearance of histologic markers of inflammation, downregulated both the gene expression and protein expression of the adipose tissue specific inflammation markers CD11c and F4/80 (P<0.001; n = 9) and reduced the gene expression of a battery of chemokine C-C motif ligands (Ccl2, Ccl6, Ccl7, Ccl8, Ccl9) and chemokine C-C motif receptors (Ccr2, Ccr3, Ccr5). We conclude that kale vegetable protects against HFD diet induced dysfunction through mechanisms involving lipid metabolism, endotoxemia and inflammation.

scholarly journals Short-term High-fat Overfeeding Does Not Induce NF-κB Inflammatory Signaling in Subcutaneous White Adipose Tissue

2020 ◽  
Vol 105 (7) ◽  
pp. 2162-2176
Author(s):  
Rebecca Dewhurst-Trigg ◽  
Alex J Wadley ◽  
Rachel M Woods ◽  
Lauren B Sherar ◽  
Nicolette C Bishop ◽  
...  
Keyword(s):  
Adipose Tissue ◽  
Body Mass ◽  
White Adipose Tissue ◽  
Density Lipoprotein ◽  
Total Content ◽  
Lipoprotein Cholesterol ◽  
High Fat ◽  
Short Term ◽  
Inflammatory Signaling ◽  
Phosphorylation Of Proteins

Abstract Context It is unclear how white adipose tissue (WAT) inflammatory signaling proteins respond during the early stages of overnutrition. Objective To investigate the effect of short-term, high-fat overfeeding on fasting abdominal subcutaneous WAT total content and phosphorylation of proteins involved in nuclear factor-κB (NF-κB) inflammatory signaling, systemic metabolic and inflammatory biomarkers. Design Individuals consumed a high-fat (65% total energy from total fat), high-energy (50% above estimated energy requirements) diet for 7 days. Results Fifteen participants (aged 27 ± 1 years; body mass index 24.4 ± 0.6 kg/m2) completed the study. Body mass increased following high-fat overfeeding (+1.2 ± 0.2 kg; P &lt; 0.0001). However, total content and phosphorylation of proteins involved in NF-κB inflammatory signaling were unchanged following the intervention. Fasting serum glucose (+0.2 ± 0.0 mmol/L), total cholesterol (+0.4 ± 0.1 mmol/L), low-density lipoprotein cholesterol (+0.3 ± 0.1 mmol/L), high-density lipoprotein cholesterol (+0.2 ± 0.0 mmol/L), and lipopolysaccharide-binding protein (LBP; +4.7 ± 2.1 µg/mL) increased, whereas triacylglycerol concentrations (−0.2 ± 0.1 mmol/L) decreased following overfeeding (all P &lt; 0.05). Systemic biomarkers (insulin, soluble cluster of differentiation 14 [CD14], C-reactive protein, interleukin-6, tumor necrosis factor-α and monocyte chemoattractant protein-1) and the proportion and concentration of circulating CD14+ monocytes were unaffected by overfeeding. Conclusion Acute lipid oversupply did not impact on total content or phosphorylation of proteins involved in WAT NF-κB inflammatory signaling, despite modest weight gain and metabolic alterations. Systemic LBP, which is implicated in the progression of low-grade inflammation during the development of obesity, increased in response to a 7-day high-fat overfeeding period.

scholarly journals Comparative Analysis of Metabolite Profiling of Momordica charantia Leaf and the Anti-Obesity Effect through Regulating Lipid Metabolism

2021 ◽  
Vol 18 (11) ◽  
pp. 5584
Author(s):  
Meiqi Fan ◽  
Jae-In Lee ◽  
Young-Bae Ryu ◽  
Young-Jin Choi ◽  
Yujiao Tang ◽  
...  
Keyword(s):  
Adipose Tissue ◽  
Lipid Metabolism ◽  
High Fat Diet ◽  
Density Lipoprotein ◽  
Momordica Charantia ◽  
Lipoprotein Cholesterol ◽  
Distilled Water ◽  
High Fat ◽  
Leaf Extracts ◽  
Abnormal Lipid Metabolism

This study investigated the effects of Momordica charantia (M. charantia) extract in obesity and abnormal lipid metabolism in mice fed high fat diet (HFD). Fruit, root, stem, and leaf extracts of M. charantia were obtained using distilled water, 70% ethanol and 95% hexane. M. charantia leaf distilled water extract (MCLW) showed the highest antioxidant activity in both 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity tests and reducing power. Metabolite profiles of M. charantia leaf extracts were analyzed for identification of bioactive compounds. HFD-fed mice were treated with MCLW (oral dose of 200 mg/kg/d) for 4 weeks. MCLW reduced lipid accumulation, body weight, organ weight, and adipose tissue volume and significantly improved glucose tolerance and insulin resistance in HFD mice. Furthermore, MCLW administration reduced serum total cholesterol and low-density lipoprotein cholesterol, and increased serum high-density lipoprotein cholesterol compared with HFD mice. Moreover, MCLW significantly reduced the levels of serum urea nitrogen, alanine aminotransferase, alkaline phosphatase, and aspartate aminotransferase; alleviated liver and kidney injury. MCLW decreases expression of genes that fatty acid synthesis; increase the expression of catabolic-related genes. These results indicate that MCLW has an inhibitory effect on obese induced by high fat diet intake, and the mechanism may be related to the regulation of abnormal lipid metabolism in liver and adipose tissue, suggesting that MCLW may be a suitable candidate for the treatment of obesity.

scholarly journals Role of adipocyte-derived apoE in modulating adipocyte size, lipid metabolism, and gene expression in vivo

2009 ◽  
Vol 296 (5) ◽  
pp. E1110-E1119 ◽  
Author(s):  
Zhi Hua Huang ◽  
DeSheng Gu ◽  
Theodore Mazzone
Keyword(s):  
Gene Expression ◽  
Adipose Tissue ◽  
High Fat Diet ◽  
Acid Oxidation ◽  
Chow Diet ◽  
Mrna Levels ◽  
Adipocyte Size ◽  
High Fat ◽  
The Impact

Adipocytes isolated from apolipoprotein E (apoE)-knockout (EKO) mice display alterations in triglyceride (TG) metabolism and gene expression. The present studies were undertaken to evaluate the impact of endogenously produced adipocyte apoE on these adipocyte parameters in vivo, independent of the profoundly disturbed metabolic milieu of EKO mice. Adipose tissue from wild-type (WT) or EKO mice was transplanted into WT recipients, which were then fed chow or high-fat diet for 8–10 wk. After a chow diet, freshly isolated transplanted EKO adipocytes were significantly ( P < 0.05) smaller (70%) than transplanted WT adipocytes and displayed significantly lower rates of TG synthesis and higher rates of TG hydrolysis. Transplanted EKO adipocytes also had higher mRNA levels for adiponectin, perilipin, and genes coding for enzymes in the fatty acid oxidation pathway and lower levels of caveolin. After a high-fat diet and consequent increase in circulating lipid and apoE levels, transplanted WT adipocyte size increased by 106 × 103 μm3, whereas EKO adipocyte size increased only by 19 × 103 μm3. Endogenous host adipose tissue harvested from WT recipients of transplanted WT or EKO adipose tissue did not demonstrate any difference in adipocyte size. Consistent with the in vivo observations, EKO adipocytes synthesized less TG when incubated with apoE-containing TG-rich lipoproteins than WT adipocytes. Our results establish a novel in vivo role for endogenously produced apoE, distinct from circulating apoE, in modulation of adipocyte TG metabolism and gene expression. They support a model in which endogenously produced adipocyte apoE facilitates adipocyte lipid acquisition from circulating TG-rich lipoproteins.

scholarly journals Daily intake of conjugated linoleic acid-enriched yoghurts: effects on energy metabolism and adipose tissue gene expression in healthy subjects

2007 ◽  
Vol 97 (2) ◽  
pp. 273-280 ◽  
Author(s):  
Julie-Anne Nazare ◽  
Aude Brac de la Perrière ◽  
Fabrice Bonnet ◽  
Michel Desage ◽  
Jocelyne Peyrat ◽  
...  
Keyword(s):  
Gene Expression ◽  
Body Composition ◽  
Adipose Tissue ◽  
Linoleic Acid ◽  
Conjugated Linoleic Acid ◽  
Fat Mass ◽  
Healthy Subjects ◽  
Dairy Product ◽  
Mrna Levels ◽  
Ppar Γ

Conjugated linoleic acid (CLA) is a group of positional and geometric isomers of conjugated dienoic derivatives of linoleic acid. The present study was designed to determine whether 14-week CLA supplementation as triacylglycerols (3·76 g) with a 50 : 50 combination of the two main isomers (35 %cis-9,trans-11 and 35 %trans-10,cis-12) added to flavoured yoghurt-like products was able to alter body composition in healthy subjects and to alter the expression of several key adipose tissue genes (PPAR γ, lipoprotein lipase (LPL), hormone-sensitive lipase (HSL) and uncoupling protein 2 (UCP-2)). Forty-four healthy subjects were randomly assigned to consume daily either a CLA-supplemented yoghurt-like product or a placebo yoghurt for 98 d. There were no significant effects of CLA supplementation on body weight, fat mass or free fat mass. Basal energy expenditure expressed as kg free fat mass increased significantly in the CLA group (123·3 (sem2·5) kJ/kg free fat mass per d on day 98v.118·7 (sem2·3) kJ/kg free fat mass per d on day 0,P = 0·03). PPAR γ mRNA gene expression increased significantly with CLA supplementation (53 (sem20) %,P < 0·01) and a significant reduction in mRNA levels of HSL was observed ( − 42 (sem7) %,P = 0·01). The levels of UCP-2 and LPL mRNA were not affected. The present results suggest that a 98 d supplementation diet with a 50 : 50 mixture of the two CLA isomerscis-9,trans-11 andtrans-10,cis-12 in a dairy product was unable to alter body composition, although a significant increase in the RMR has been induced. Moreover, changes in mRNA PPAR γ and HSL in adipose tissue were recorded.

Tanshinone IIA Promotes Macrophage Cholesterol Efflux and Attenuates Atherosclerosis of apoE-/- Mice by Omentin-1/ABCA1 Pathway

2019 ◽  
Vol 20 (5) ◽  
pp. 422-432 ◽  
Author(s):  
Yu-lin Tan ◽  
Han-xiao Ou ◽  
Min Zhang ◽  
Duo Gong ◽  
Zhen-wang Zhao ◽  
...  
Keyword(s):  
Atherosclerotic Plaque ◽  
Lipid Content ◽  
Plasma Levels ◽  
Cholesterol Efflux ◽  
Density Lipoprotein ◽  
Tanshinone Iia ◽  
Lipoprotein Cholesterol ◽  
Mrna Levels ◽  
Cellular Lipid ◽  
Oil Red O

Background: Tanshinone IIA (Tan IIA) and Omentin-1 have a protective role in the cardiovascular system. However, if and how Tan IIA and Omentin-1 regulate cholesterol metabolism in macrophages has not been fully elucidated. Objective: To investigate the possible mechanisms of Tan IIA and Omentin-1 on preventing macrophage cholesterol accumulation and atherosclerosis development. Methods: The effect of Tan IIA on the protein and mRNA levels of Omentin-1 and ATP-binding cassette transporter A1 (ABCA1) in macrophages was examined by Western blot and qRT-PCR assay, respectively. Cholesterol efflux was assessed by liquid scintillation counting (LSC). Cellular lipid droplet was measured by Oil Red O staining, and intracellular lipid content was detected by high performance liquid chromatography (HPLC). In addition, the serum lipid profile of apoE−/− mice was measured by enzymatic method. The size of atherosclerotic lesion areas and content of lipids and collagen in the aortic of apoE−/− mice were examined by Sudan IV, Oil-red O, and Masson staining, respectively. Results: Tan IIA up-regulated expression of Omentin-1 and ABCA1 in THP-1 macrophages, promoting ABCA1-mediated cholesterol efflux and consequently decreasing cellular lipid content. Consistently, Tan IIA increased reverse cholesterol transport in apoE−/− mice. Plasma levels of high-density lipoprotein cholesterol (HDL-C), ABCA1 expression and atherosclerotic plaque collagen content were increased while plasma levels of low-density lipoprotein cholesterol (LDL-C) and atherosclerotic plaque sizes were reduced in Tan IIA-treated apoE−/− mice. These beneficial effects were, however, essentially blocked by knockdown of Omentin-1. Conclusion: Our results revealed that Tan IIA promotes cholesterol efflux and ameliorates lipid accumulation in macrophages most likely via the Omentin-1/ABCA1 pathway, reducing the development of aortic atherosclerosis.

scholarly journals Differential organ-specific inflammatory response to progranulin in high-fat diet-fed mice

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Maki Murakoshi ◽  
Tomohito Gohda ◽  
Eri Adachi ◽  
Saki Ichikawa ◽  
Shinji Hagiwara ◽  
...  
Keyword(s):  
Adipose Tissue ◽  
High Fat Diet ◽  
Kidney Injury ◽  
Proximal Tubules ◽  
Tubular Damage ◽  
Standard Diet ◽  
Mrna Levels ◽  
High Fat ◽  
Organ Specific

AbstractProgranulin (PGRN) has been reported to bind tumor necrosis factor (TNF) receptor and to inhibit TNFα signaling. We evaluated the effect of augmentation of TNFα signaling by PGRN deficiency on the progression of kidney injury. Eight-week-old PGRN knockout (KO) and wild-type (WT) mice were fed a standard diet or high-fat diet (HFD) for 12 weeks. Albuminuria, markers of tubular damage, and renal mRNA levels of inflammatory cytokines were higher in HFD-fed KO (KO-HFD) mice than in HFD-fed WT (WT-HFD) mice. Body weight, vacuolization in proximal tubules, and systemic and adipose tissue inflammatory markers were lower in the KO-HFD mice than in the WT-HFD mice. The renal megalin expression was lower in the KO mice than in the WT mice regardless of the diet type. The megalin expression was also reduced in mouse proximal tubule epithelial cells stimulated with TNFα and in those with PGRN knockdown by small interfering RNA in vitro. PGRN deficiency was associated with both exacerbated renal inflammation and decreased systemic inflammation, including that in the adipose tissue of mice with HFD-induced obesity. Improved tubular vacuolization in the KO-HFD mice might partially be explained by the decreased expression of megalin in proximal tubules.

Metallothionein gene expression and secretion in white adipose tissue

2000 ◽  
Vol 279 (6) ◽  
pp. R2329-R2335 ◽  
Author(s):  
Paul Trayhurn ◽  
Jacqueline S. Duncan ◽  
Anne M. Wood ◽  
John H. Beattie
Keyword(s):  
Gene Expression ◽  
Molecular Weight ◽  
Adipose Tissue ◽  
White Adipose Tissue ◽  
Stromal Vascular Fraction ◽  
Low Molecular Weight ◽  
Secretory Product ◽  
Mrna Levels ◽  
Gene Encoding ◽  
Adrenoceptor Agonist

White adipose tissue (WAT) has been examined to determine whether the gene encoding metallothionein (MT), a low-molecular-weight stress response protein, is expressed in the tissue and whether MT may be a secretory product of adipocytes. The MT-1 gene was expressed in epididymal WAT, with MT-1 mRNA levels being similar in lean and obese ( ob/ ob) mice. MT-1 mRNA was found in each of the main adipose tissue sites (epididymal, perirenal, omental, subcutaneous), and there was no major difference between depots. Separation of adipocytes from the stromal-vascular fraction of WAT indicated that the MT gene (MT-1 and MT-2) was expressed in adipocytes themselves. Treatment of mice with zinc had no effect on MT-1 mRNA levels in WAT, despite strong induction of MT-1 expression in the liver. MT-1 gene expression in WAT was also unaltered by fasting or norepinephrine. However, administration of a β3-adrenoceptor agonist, BRL-35153A, led to a significant increase in MT-1 mRNA. On differentiation of fibroblastic preadipocytes to adipocytes in primary culture, MT was detected in the medium, suggesting that the protein may be secreted from WAT. It is concluded that WAT may be a significant site of MT production; within adipocytes, MT could play an antioxidant role in protecting fatty acids from damage.

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