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https://www.readbyqxmd.com/read/29156730/generation-of-patient-specific-human-neural-stem-cells-from-niemann-pick-disease-type-c-patient-derived-fibroblasts
#1
Eun-Ah Sung, Kyung-Rok Yu, Ji-Hee Shin, Yoojin Seo, Hyung-Sik Kim, Myung Guen Koog, Insung Kang, Jae-Jun Kim, Byung-Chul Lee, Tae-Hoon Shin, Jin Young Lee, Seunghee Lee, Tae-Wook Kang, Soon Won Choi, Kyung-Sun Kang
Niemann-Pick disease type C (NPC) is a neurodegenerative and lysosomal lipid storage disorder, characterized by the abnormal accumulation of unesterified cholesterol and glycolipids, which is caused by mutations in the NPC1 genes. Here, we report the generation of human induced neural stem cells from NPC patient-derived fibroblasts (NPC-iNSCs) using only two reprogramming factors SOX2 and HMGA2 without going through the pluripotent state. NPC-iNSCs were stably expandable and differentiated into neurons, astrocytes, and oligodendrocytes...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29154176/seasonal-changes-in-the-sperm-fatty-acid-composition-of-shetland-pony-stallions
#2
Christine Aurich, Cristina Ortega Ferrusola, Fernando Juan Peña Vega, Nadine Schrammel, David Morcuende, Jörg Aurich
Spermatozoa contain polyunsaturated fatty acids (PUFA). Cryopreservation damages sperm membranes and they become less functional after thawing. We analysed the lipid composition of spermatozoa from Shetland stallions (n = 15) collected monthly from January to June and hypothesized that sperm lipid patterns change with season. In addition, one ejaculate per month was submitted to cryopreservation. Content of saturated palmytic and stearic acid decreased from January to March (p < 0.001) while content of the PUFA docosapentaenoic (p < 0...
November 10, 2017: Theriogenology
https://www.readbyqxmd.com/read/29149288/overexpression-of-seipin1-increases-oil-in-hydroxy-fatty-acid-accumulating-seeds
#3
Daniel Lunn, James G Wallis, John Browse
While plant oils are an important source of food, plants also produce oils containing specialized fatty acids with chemical and physical properties valued in industry. Ricinoleic acid, a hydroxy-fatty acid (HFA) produced in the seed of castor (Ricinus communis), is of particular value with a wide range of applications. Since castor cultivation is currently successful only in tropic climates, and because castor seed contain the toxin ricin, there are ongoing efforts to develop a temperate crop capable of HFA biosynthesis...
November 15, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29147099/changes-in-quality-characteristics-of-pork-patties-containing-antioxidative-fish-skin-peptide-or-fish-skin-peptide-loaded-nanoliposomes-during-refrigerated-storage
#4
Jing-Jing Bai, Jung-Gyu Lee, Sang-Yoon Lee, Soojin Kim, Mi-Jung Choi, Youngjae Cho
Marine fish skin peptides (FSP) have been widely studied due to their antioxidant and antimicrobial properties. We aimed to use a natural antioxidant, FSP, to replacing synthetic preservatives in a pork patty model, which is safer for human body. Moreover, nano-liposome technology can be applied for masking the fishy smell and improving the stability of this peptide. Therefore, in this study, the effects of FSP and FSP-loaded liposomes (FSPL) on pork patty were evaluated through the tests of thiobarbituric acid reactive substances (TBARS), color, cooking loss, texture, volatile basic nitrogen (VBN), and the pH value, during 14 d of refrigerated (4°C) storage...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/29145156/the-potential-of-ion-mobility-mass-spectrometry-for-high-throughput-and-high-resolution-lipidomics
#5
REVIEW
Christine Hinz, Sonia Liggi, Julian L Griffin
Lipids are a large and highly diverse family of biomolecules, which play essential structural, storage and signalling roles in cells and tissues. Although traditional mass spectrometry (MS) approaches used in lipidomics are highly sensitive and selective, lipid analysis remains challenging due to the chemical diversity of lipid structures, multiple isobaric species and incomplete separation using many forms of chromatography. Ion mobility (IM) separates ions in the gas phase based on their physicochemical properties...
November 13, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/29145070/arsenic-forms-and-their-combinations-induce-differences-in-phenolic-accumulation-in-ulmus-laevis-pall
#6
Kinga Drzewiecka, Monika Gąsecka, Paweł Rutkowski, Zuzanna Magdziak, Piotr Goliński, Mirosław Mleczek
Total phenolics and the profile of phenolic acids and flavonoids were investigated in the roots and leaves of Ulmus laevis cultured on the medium with inorganic and organic arsenic - As(III), As(V) and DMA(V) at 0.06mM and their equimolar combinations. Further, the accumulation of salicylic acid (free and glucoside-bound) and lipid oxidation were assayed following a three-month long experiment. As treatment caused elevated production of phenolics, which was higher in photosynthetic tissue than in roots for all As forms and their combinations, and their overall content was correlated with the accumulation of organic As in roots and As(III) in leaves...
November 11, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29143965/display-stability-of-fresh-and-thawed-lamb-supplemented-with-vitamin-e-or-sprayed-with-an-antioxidant-borage-seed-extract
#7
M Bellés, V Alonso, P Roncalés, J A Beltrán
BACKGROUND: The commercialization of thawed lamb packaged in modified atmosphere and maintained on display could serve as an alternative capable of satisfying the requirements of customers as well as distributors. However, previous studies have suggested that lipid oxidation may accelerate post-thawing, as peroxidation occurs during frozen storage, thereby leading to rapid and severe secondary lipid oxidation. The addition of an antioxidant compound either in the lamb diet or in the packaged meat could resolve this problem...
November 16, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29142316/sedentary-behavior-and-altered-metabolic-activity-by-agnps-ingestion-in-drosophila-melanogaster
#8
Akanksha Raj, Prasanna Shah, Namita Agrawal
Among several nanoparticles, silver nanoparticles (AgNPs) are extensively used in a wide variety of consumer products due to its unique antimicrobial property. However, dosage effect of AgNPs on behavior and metabolic activity in an in vivo condition is not well studied. Therefore, to elucidate the impact of AgNPs on behavior and metabolism, systematic and detailed dosages study of AgNPs was performed by rearing Drosophila melanogaster on food without and with AgNPs. We found that dietary intake of AgNPs at early larval stage leads to behavioral abnormalities such as poor crawling and climbing ability of larvae and adults respectively...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29142011/effect-of-distinct-lifestyle-interventions-on-mobilization-of-fat-storage-pools-the-central-mri-randomized-controlled-trial
#9
Yftach Gepner, Ilan Shelef, Dan Schwarzfuchs, Hila Zelicha, Lilac Tene, Anat Yaskolka Meir, Gal Tsaban, Noa Cohen, Nitzan Bril, Michal Rein, Dana Serfaty, Shira Kenigsbuch, Oded Komy, Arik Wolak, Yoash Chassidim, Rachel Golan, Hilla Avni-Hassid, Avital Bilitzky, Benjamin Sarusi, Eyal Goshen, Elad Shemesh, Yaakov Henkin, Michael Stumvoll, Matthias Blüher, Joachim Thiery, Uta Ceglarek, Assaf Rudich, Meir J Stampfer, Iris Shai
Background -We aimed to assess whether distinct lifestyle strategies can differentially affect specific body adipose depots. Methods -We performed an eighteen-month randomized controlled trial among 278 sedentary adults with abdominal obesity (75%) or dyslipidemia in an isolated workplace with a monitored provided lunch. Participants were randomized to iso-caloric low-fat (LF) or Mediterranean/low-carbohydrate (MED/LC) diet+28g walnuts/day with/without added moderate physical activity (PA;80% aerobic; supervised/free gym membership)...
November 15, 2017: Circulation
https://www.readbyqxmd.com/read/29138263/srebp-1c-as-a-molecular-bridge-between-lipogenesis-and-cell-cycle-progression-of-clear-cell-renal-carcinoma
#10
Gautam Sethi, Muthu K Shanmugam, Alan Prem Kumar
SREBP-1c promotes lipogenesis and tumor growth in various cancers. It is well-known that clear cell renal cell carcinoma (ccRCC), a major subtype of the kidney cancers, exhibits elevated lipid accumulation. However, it has not been fully understood how lipid metabolism might be associated with cell cycle regulation in ccRCC. In recent issue of Molecular and Cellular Biology , Lee et al. demonstrate that SREBP-1c is upregulated in ccRCC by RNF20 downregulation, leading to aberrant lipid storage and PTTG1-dependent cell cycle progression...
November 14, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29135689/vldl-triglyceride-accumulation-in-skeletal-muscle-and-adipose-tissue-in-type-2-diabetes
#11
Esben Søndergaard, Søren Nielsen
PURPOSE OF REVIEW: Insulin resistance is closely linked to accumulation of lipid outside adipose tissue (ectopic fat storage). VLDL particles transport lipids from the liver to peripheral tissues. However, whether abnormalities in VLDL-triglyceride storage in muscle and adipose tissue exist in type 2 diabetes has previously been unknown, primarily because of methodological difficulties. Here, we review recent research on VLDL-triglyceride storage. RECENT FINDINGS: In a recent study, men with type 2 diabetes had increased skeletal muscle VLDL-triglyceride storage compared to weight-matched nondiabetic men, potentially leading to intramyocellular triglyceride accumulation...
November 11, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/29134977/metformin-effects-are-augmented-by-chronic-intermittent-cold-stress-in-high-fat-diet-fed-male-wistar-rats
#12
A O Ige, O I Iwaloye, E O Adewoye
This study investigated the effects of metformin on some glucose regulatory indices in high fat diet (HFD) fedmale Wistar rats exposed to room temperature and chronic intermittent cold stress (CICS). Thirty rats were randomly dividedinto 5 groups. Group 1(control) was maintained on standard rat chow while groups 2-5 were maintained on HFD for 8weeksrespectively prior to experimental procedures. Control, group 2(HFD untreated) and group 3(HFD+metformin (250mg/kg)were exposed to room temperature while groups 4(HFD untreated+CICS) and 5(HFD+CICS+metformin) were exposed toCICS for 21days...
June 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/29134469/erratum-to-mechanism-of-phospholipid-hydrolysis-for-oyster-crassostrea-plicatula-phospholipids-during-storage-using-shotgun-lipidomics
#13
Qinsheng Chen, Xincen Wang, Peixu Cong, Yanjun Liu, Yuming Wang, Jie Xu, Changhu Xue
Erratum to: Lipids https://doi.org/10.1007/s11745-017-4305-7.
November 13, 2017: Lipids
https://www.readbyqxmd.com/read/29131005/a-review-of-anesthetic-effects-on-renal-function-potential-organ-protection
#14
Negar Motayagheni, Sheshanna Phan, Crystal Eshraghi, Ala Nozari, Anthony Atala
BACKGROUND: Renal protection is a critical concept for anesthesiologists, nephrologists, and urologists, since anesthesia and renal function are highly interconnected and can potentially interfere with one another. Therefore, a comprehensive understanding of anesthetic drugs and their effects on renal function remains fundamental to the success of renal surgeries, especially transplant procedures. Some experimental studies have shown that some anesthetics provide protection against renal ischemia/reperfusion (IR) injury, but there is limited clinical evidence...
November 7, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29128360/golga2-loss-causes-fibrosis-with-autophagy-in-the-mouse-lung-and-liver
#15
Sungjin Park, Sanghwa Kim, Minjung Kim, Youngeun Hong, Ah Young Lee, Hyunji Lee, Quangdon Tran, Minhee Kim, Hyeonjeong Cho, Jisoo Park, Kwang Pyo Kim, Jongsun Park, Myung-Haing Cho
Autophagy is a biological recycling process via the self-digestion of organelles, proteins, and lipids for energy-consuming differentiation and homeostasis. The Golgi serves as a donor of the double-membraned phagophore for autophagosome assembly. In addition, recent studies have demonstrated that pulmonary and hepatic fibrosis is accompanied by autophagy. However, the relationships among Golgi function, autophagy, and fibrosis are unclear. Here, we show that the deletion of GOLGA2, encoding a cis-Golgi protein, induces autophagy with Golgi disruption...
November 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29125943/effects-of-chilled-and-frozen-storage-conditions-on-the-lamb-m-longissimus-lumborum-fatty-acid-and-lipid-oxidation-parameters
#16
Cassius E O Coombs, Benjamin W B Holman, Eric N Ponnampalam, Stephen Morris, Michael A Friend, David L Hopkins
This study investigated the effects of chilled and frozen storage conditions on the fatty acid profile and lipid oxidation in lamb M. longissimus lumborum (LL). Muscle LL (n=360) were randomly selected at 24h post-mortem from a commercial Australian abattoir and maintained chilled for five periods (0, 2, 4, 6 and 8weeks) followed by frozen for six periods (0, 4, 8, 12, 24 and 52weeks) at -12°C or -18°C. Samples were analysed for fatty acid profile and lipid oxidative parameters (TBARS, oxidation-reduction potential and peroxidase activity)...
October 19, 2017: Meat Science
https://www.readbyqxmd.com/read/29125712/lipid-metabolism-and-functional-assessment-of-discarded-human-livers-with-steatosis-undergoing-24-hours-normothermic-machine-perfusion
#17
Qiang Liu, Ahmed Nassar, Laura Buccini, Giuseppe Iuppa, Basem Soliman, Daniele Pezzati, Ahmed Hassan, Matthew Blum, William Baldwin, Ana Bennett, Kenneth Chavin, Toshihiro Okamoto, Teresa Diago Uso, John Fung, Kareem Abu-Elmagd, Charles Miller, Cristiano Quintini
Normothermic machine perfusion (NMP) is an emerging technology to preserve liver allografts more effectively than cold storage (CS). However, little is known about the effect of NMP on steatosis, and the markers indicative of hepatic quality during NMP. To address these points we perfused 10 discarded human livers with oxygenated NMP for 24 hours after 4-6 hours of CS. All livers had variable degree of steatosisat at baseline. The perfusate consisted of packed red blood cells and fresh frozen plasma. Perfusate analysis showed an increase in triglyceride levels from the 1st hour (median 127 mg/dL; interquartile range 95-149) to 24th hour of perfusion (203;171-304) (p=0...
November 10, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/29119718/glucocorticoids-suppress-brown-adipose-tissue-function-in-humans-a-double-blind-placebo-controlled-study
#18
Moe Thuzar, W Phillip Law, Jeyakantha Ratnasingam, Christina Jang, Goce Dimeski, Ken Ky Ho
AIM: To investigate the effect of glucocorticoids on BAT function in humans MATERIALS & METHODS: In a randomised double-blind cross-over design, 13 healthy adults underwent 1 week of oral prednisolone (15mg/day) and placebo treatment with an intervening 2-week wash-out period. BAT function was assessed in response to cooling (19(0) C) and to a standardised meal, by measuring fluoro-deoxyglucose (FDG) uptake using Positron Emission Tomography-Computed Tomography and skin temperatures overlying the supraclavicular (SCL) BAT depots using infrared thermography...
November 8, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29118481/role-of-cytology-in-early-diagnosis-of-cerebrotendinous-xanthomas
#19
Shreosee Roy, Arghya Bandyopadhyay, Kaushik Bose, Soumi Bhattacharyya
Cerebrotendinous xanthomatosis is a rare autosomal recessive lipid storage disease characterized by widespread tissue deposition of two neutral sterols, cholestenol and cholesterol, resulting in tendinous xanthomas, juvenile cataracts, progressive neurological defects, and premature death from arteriosclerosis. Because it is a treatable cause of cerebellar ataxia and dementia, its early diagnosis is desirable. Here, we have reported the case of an 11-year-old boy with this disorder who was diagnosed based on the cytological findings of fine needle aspiration and clinical features...
October 2017: Journal of Cytology
https://www.readbyqxmd.com/read/29118465/antioxidant-and-anti-inflammatory-activities-in-extracts-from-minke-whale-balaenoptera-acutorostrata-blubber
#20
Mari Johannessen Walquist, Svein Kristian Stormo, Ida-Johanne Jensen, Bjarne Østerud, Karl-Erik Eilertsen
Intake of long-chain omega-3 polyunsaturated fatty acids (LC-n3-PUFA) is commonly recognized to reduce cardiovascular disease (CVD). In previous studies, cold-pressed whale oil (CWO) and cod liver oil (CLO) were given as a dietary supplement to healthy volunteers. Even though CWO contains less than half the amount of LC-n3-PUFA of CLO, CWO supplement resulted in beneficial effects on anti-inflammatory and CVD risk markers compared to CLO. In the present study, we prepared virtually lipid-free extracts from CWO and CLO and evaluated the antioxidative capacity (AOC) and anti-inflammatory effects...
2017: Mediators of Inflammation
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