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https://www.readbyqxmd.com/read/28432103/morphology-and-cardiac-physiology-are-differentially-affected-by-temperature-in-developing-larvae-of-the-marine-fish-mahi-mahi-coryphaena-hippurus
#1
Prescilla Perrichon, Christina Pasparakis, Edward M Mager, John D Stieglitz, Daniel D Benetti, Martin Grosell, Warren W Burggren
Cardiovascular performance is altered by temperature in larval fishes, but how acute vs. chronic temperature exposures independently affect cardiac morphology and physiology in the growing larva is poorly understood. Consequently, the influence of water temperature on cardiac plasticity was investigated in developing mahi-mahi. Morphological (e.g. standard length, heart angle) and physiological cardiac variables (e.g. heart rate fH, stroke volume, cardiac output) were recorded under two conditions by imaging: i) under acute temperature exposure where embryos were reared at 25°C up to 128 hours post-fertilization (hpf) and then acutely exposed to 25° (rearing temperature), 27° and 30°C; ii) at two rearing (chronic) temperatures of 26° and 30°C and performed at 32 and 56 hpf...
April 21, 2017: Biology Open
https://www.readbyqxmd.com/read/28428331/a-personalized-model-of-coq2-nephropathy-rescued-by-the-wild-type-coq2-allele-or-dietary-coenzyme-q10-supplementation
#2
Jun-Yi Zhu, Yulong Fu, Adam Richman, Zhanzheng Zhao, Patricio E Ray, Zhe Han
Clinical studies have identified patients with nephrotic syndrome caused by mutations in genes involved in the biosynthesis of coenzyme Q10 (CoQ10), a lipid component of the mitochondrial electron transport chain and an important antioxidant. However, the cellular mechanisms through which these mutations induce podocyte injury remain obscure. Here, we exploited the striking similarities between Drosophila nephrocytes and human podocytes to develop a Drosophila model of these renal diseases, and performed a systematic in vivo analysis assessing the role of CoQ10 pathway genes in renal function...
April 20, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28427467/coenzyme-q10-prevents-oxidative-stress-and-fibrosis-in-isoprenaline-induced-cardiac-remodeling-in-aged-rats
#3
Anayt Ulla, Mustafe Khalid Mohamed, Biswajit Sikder, Afm Towheedur Rahman, Farzana Akther Sumi, Murad Hossain, Hasan Mahmud Reza, G M Sayedur Rahman, Md Ashraful Alam
BACKGROUND: The objective of the present study aimed to investigate the effect of CoQ10 treatment on isoprenaline (ISO)-induced cardiac remodeling in rats. METHODS: Rats were divided into three groups namely Control group, ISO treated group and CoQ10 + ISO treated group, each consisting of 6 rats. The cardiac specific CK-MB, AST, ALT activity and other oxidative stress parameters were estimated in heart and kidneys. Additionally histological examination was also performed to visualize the inflammatory cells infiltration and fibrosis in both tissues...
April 20, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28427254/supplementing-the-culture-of-rhodobacter-sphaeroides-in-the-diet-of-holstein-lactating-cow-may-naturally-produce-coenzyme-q10-enriched-milk
#4
Gui-Seck Bae, Ahreum Choi, Joon Mo Yeo, Jong Nam Kim, Jaeyong Song, Eun Joong Kim, Moon Baek Chang
Objective: To examine the effects of Rhaodobacter sphaeroides supplementation as a direct-fed microbial (DFM) on rumen fermentation in dairy cows and on CoQ10 transition into milk, an in vitro rumen simulation batch culture and an in vivo dairy cow experiments were conducted. Methods: The characteristics of in vitro ruminal fermentation were investigated using rumen fluids from six cannulated Holstein dairy cows at 2 h post-afternoon feeding. A control treatment was included in the experiments based on a typified total mixed ration (TMR) for lactating dairy cows, which was identical to the one used in the in vivo study, plus R...
April 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28424622/pravastatin-chronic-treatment-sensitizes-hypercholesterolemic-mice-muscle-to-mitochondrial-permeability-transition-protection-by-creatine-or-coenzyme-q10
#5
Estela N B Busanello, Ana C Marques, Noelia Lander, Diogo N de Oliveira, Rodrigo R Catharino, Helena C F Oliveira, Anibal E Vercesi
Statins are efficient cholesterol-lowering medicines utilized worldwide. However, 10% of patients suffer from adverse effects specially related to skeletal muscle function. Pro- or anti-oxidant effects of statins have been reported. Here we hypothesized that statins induce muscle mitochondrial oxidative stress leading to mitochondrial permeability transition (MPT) which may explain statin muscle toxicity. Thus, our aims were to investigate the effects of statin chronic treatment on muscle mitochondrial respiration rates, MPT and redox state indicators in the context of hypercholesterolemia...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28422588/alterations-in-redox-homeostasis-during-recovery-from-unexplained-underperformance-syndrome-in-an-elite-international-rower
#6
Nathan A Lewis, Ann Redgrave, Mark Homer, Richard Burden, Wendy Martinson, Brian Moore, Charles R Pedlar
PURPOSE: This case study of an international rower examines a diagnosis of Unexplained Under Performance Syndrome (UUPS or Overtraining Syndrome) describing a full recovery and return to elite competition the same year. METHODS: On diagnosis and 4 and 14 months post-diagnosis, detailed assessments including physiological, nutritional, and biomarkers were made. RESULTS: Clinical examination and laboratory results for haematology, biochemistry, thyroid function, immunology, vitamins and minerals were unremarkable and did not explain the presentation and diagnosis...
April 19, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28418660/pegylated-solanesol-for-oral-delivery-of-coenzyme-q10
#7
Benkai Qin, Lei Liu, Yangyang Pan, Yingchun Zhu, Xiaohe Wu, Shiyong Song, Guang Han
Coenzyme Q10 (CoQ10) is widely used in preventive or curative treatment of cardiovascular diseases. However, CoQ10 exhibits an extremely low solubility in aqueous medium as well as a poor oral bioavailability. Therefore, solanesyl poly(ethylene glycol) succinate (SPGS) and CoQ10 were formulated as CoQ10-SPGS micelles with a high content of CoQ10 to improve the bioavailability of CoQ10 in rat. Findings indicate that, in the CoQ10-SPGS micelles, SPGS is self-assembled into stable nanosized micelles with a CoQ10 loading capacity of more than 39%...
April 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28417676/bio-energy-generation-in-an-affordable-single-chamber-microbial-fuel-cell-integrated-with-adsorption-hybrid-system-effects-of-temperature-and-comparison-study
#8
Pei-Fang Tee, Mohammad Omar Abdullah, Ivy A W Tan, Mohamed A M Amin, Cirilo Nolasco-Hipolito, Kopli Bujang
A microbial fuel cell (MFC) intergrated with adsorption system (MFC-AHS) are tested under various operating tempartures with palm oil mill effluent (POME) as the substrate. The optimum operating temperature for such system is found to be at ∼ 35°C with current, power density, internal resistance (Rin), coulombic efficiency (CE) and maximum chemical oxygen demand (COD) removal of 2.51 ± 0.2 mA, 74 ± 6 mW m(-3), 25.4 Ω, 10.65 ± 0.5% and 93.57 ± 1.2%, respectively. Maximum current density increase linearly with temperature at a rate of 0...
April 18, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28417080/applying-a-systems-approach-to-thyroid-physiology-looking-at-the-whole-with-a-mitochondrial-perspective-instead-of-judging-single-tsh-values-or-why-we-should-know-more-about-mitochondria-to-understand-metabolism
#9
REVIEW
Roy Moncayo, Helga Moncayo
Classical thinking in endocrine physiology squeezes our diagnostic handling into a simple negative feedback mechanism with a controller and a controlled variable. In the case of the thyroid this is reduced to TSH and fT3 and fT4, respectively. The setting of this tight notion has no free space for any additions. In this paper we want to challenge this model of limited application by proposing a construct based on a systems approach departing from two basic considerations. In first place since the majority of cases of thyroid disease develop and appear during life it has to be considered as an acquired condition...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28414942/coenzyme-q10-protects-against-statin-induced-myotoxicity-in-zebrafish-larvae-danio-rerio
#10
Rand Pasha, Thomas W Moon
3-Hydroxy-3-methylglutaryl-CoA reductase (HMGCR) is the rate-limiting enzyme of the mevalonic acid pathway and is required for cholesterol biosynthesis and the synthesis of Coenzyme Q10 (CoQ10). Statins inhibit HMGCR, thus inhibiting the downstream products of this pathway including the biosynthesis of decaprenyl-pyrophosphate that is critical for the synthesis of Coenzyme Q10 (CoQ10). We show that zebrafish (Danio rerio) larvae treated in tank water with Atorvastatin (ATV; Lipitor) exhibited movement alterations and reduced whole body tissue metabolism...
April 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28410798/protective-role-of-coq10-or-l-carnitine-on-the-integrity-of-the-myocardium-in-doxorubicin-induced-toxicity
#11
Hesham N Mustafa, Gehan A Hegazy, Sally A El Awdan, Marawan AbdelBaset
Doxorubicin (DOX) is a chemotherapeutic agent used for treatment of different cancers and its clinical usage is hindered by the oxidative injury-related cardiotoxicity. This work aims to declare if the harmful effects of DOX on heart can be alleviated with the use of Coenzyme Q10 (CoQ10) or L-carnitine. The study was performed on seventy two female Wistar albino rats divided into six groups, 12 animals each: Control group; DOX group (10mg/kg); CoQ10 group (200mg/kg); L-carnitine group (100mg/kg); DOX+CoQ10 group; DOX+L-carnitine group...
April 2, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28409122/a-post-publication-analysis-of-the-idealized-upper-reference-value-of-2-5%C3%A2-miu-l-for-tsh-time-to-support-the-thyroid-axis-with-magnesium-and-iron-especially-in-the-setting-of-reproduction-medicine
#12
Roy Moncayo, Helga Moncayo
Laboratory medicine approaches the evaluation of thyroid function mostly through the single determination of the blood level of thyroid stimulating hormone (TSH). Some authors have suggested an upper reference value for TSH of 2.5 mIU/L. This suggestion has not been confirmed by recent clinical studies. These studies have delivered a clinically valid reference range going from 0.3 to 3.5 mIU/L. These values are valid for both for the general population as well as in the setting of fertility and pregnancy...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28405841/focal-segmental-glomerulosclerosis-and-medullary-nephrocalcinosis-in-children-with-adck4-mutations
#13
Eujin Park, Hee Gyung Kang, Young Hun Choi, Kyoung Bun Lee, Kyung Chul Moon, Hyeon Joo Jeong, Michio Nagata, Hae Il Cheong
BACKGROUND: Mutations in the AarF domain containing kinase 4 gene (ADCK4), one of the novel genes causing steroid-resistant nephrotic syndrome (SRNS), usually manifest as isolated adolescent-onset focal segmental glomerulosclerosis (FSGS). ADCK4 interacts with components of the coenzyme Q10 (CoQ10) biosynthesis pathway. METHODS: The incidence and phenotypes of patients with ADCK4 mutations were investigated in a cohort of Korean pediatric patients with SRNS. RESULTS: Among the 53 patients enrolled in the study the incidence of ADCK4-associated FSGS was 7...
April 12, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28402687/seatbelt-pre-pretensioner-effect-on-child-sized-dummies-during-run-off-road-events
#14
Isabelle Stockman, Katarina Bohman, Lotta Jakobsson
Objective Run-off road events occur frequently and can result in severe consequences. Several potential injury causing mechanisms can be observed in the diverse types of run-off road events. Real world data shows that different types of environments, such as rough terrain, ditch types and whether multiple events occur, may be important contributing factors to the occupant injury. While countermeasures addressing front seat occupants have been presented, studies on rear seat occupant retention in situations such as run-off road events are lacking...
April 12, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28400836/effects-of-coenzyme-q10-on-the-antioxidant-system-in-sd-rats-exposed-to-lipopolysaccharide-induced-toxicity
#15
Min-Hae Song, Ha-Na Kim, Yong Lim, In-Surk Jang
The study was performed to see the effects of coenzyme Q10 (CoQ10) on blood biochemical components and hepatic antioxidant system in rats exposed to lipopolysaccharide (LPS)-induced toxicity. A total of 24 rats were allocated to four groups: control (CON), 100 mg/kg BW of LPS (LPS), 100 mg of CoQ10/kg BW with LPS (LCQI) and 300 mg of CoQ10/kg BW with LPS (LCQII). The LPS and LCQI groups showed a significant (P<0.05) increase in the relative spleen weight compared with the CON group without affecting body and liver weights...
March 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28399643/the-effect-of-pde5-inhibitors-on-bone-and-oxidative-damage-in-ovariectomy-induced-osteoporosis
#16
Hamit H Alp, Zübeyir Huyut, Serkan Yildirim, Yıldıray Başbugan, Levent Ediz, Mehmet R Şekeroğlu
Osteoporosis is a major public health problem associated with many factors, and it affects more than 50% of women over 50 years old. In the current study, our purpose was to investigate the effects of phosphodiestarase-5 inhibitors on osteoporosis via the nitric oxide/3',5'-cyclic guanosine monophosphate/protein kinase G signalling pathway. A total of 50 female albino Wistar rats were separated into five groups. The first group was appointed as the healthy control group with no ovariectomy. All animals in the other groups underwent a bilateral ovariectomy...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28386286/a-thermostabilized-one-step-pcr-assay-for-simultaneous-detection-of-klebsiella-pneumoniae-and-haemophilus-influenzae
#17
Nur Amalina Khazani, Nik Zuraina Nik Mohd Noor, Chan Yean Yean, Habsah Hasan, Siti Suraiya, Suharni Mohamad
Klebsiella pneumoniae and Haemophilus influenzae are two common pathogens associated with respiratory tract infections. The identification of these pathogens using conventional molecular diagnostic tests requires trained personnel, cold-chain transportation, and storage-dependance, which does not render them user-friendly. The aim of this study was to develop a thermostabilized, cold-chain-free, one-step multiplex PCR for simultaneous detection of K. pneumoniae and H. influenzae. The multiplex PCR assay was designed to amplify the php gene of K...
2017: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28385617/antioxidant-based-topical-formulations-influence-on-the-inflammatory-response-of-japanese-skin-a-clinical-study-using-non-invasive-techniques
#18
Tais A L Wagemaker, Patrícia M B G Maia Campos, Kenji Shimizu, Daiki Kyotani, Daisuke Yoshida
Cutaneous irritants exposure induces an excess of ROS in the skin and can ensue an inflammatory response. Topical antioxidant-based formulations can help to counteract ROS generation. This study evaluated the influence of antioxidant-based topical formulations on the inflammatory response of skin, using a combination of in vivo real-time non-invasive techniques. Nine test areas were defined on each volar forearm of the 25 Japanese volunteers. Measurements were performed before and after treatment with 15µL of a 5% sodium dodecyl sulfate solution and 15µL of the same based formulation or the vehicle with 1% of the antioxidants...
April 3, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28381349/a-meta-analysis-of-randomized-and-placebo-controlled-clinical-trials-suggests-that-coenzyme-q10-at-low-dose-improves-glucose-and-hba1c-levels
#19
REVIEW
Marko Stojanović, Miroslav Radenković
The influence of coenzyme Q10 (CoQ10) on blood glucose (BGL) and HbA1c (HL) levels has been previously investigated; however, the results are inconsistent. Therefore, the purpose of this meta-analysis was to determine if CoQ10 could affect BGL and HL levels based on the existing evidence. PubMed, Cochrane Library, Web of Science, Embase, and Scopus databases were searched for randomized clinical trials from September 1, 1956, to March 01, 2016. To calculate pooled overall effects, a random effect model was used...
February 2017: Nutrition Research
https://www.readbyqxmd.com/read/28378548/effect-of-coenzyme-q10-on-radiation-nephropathy-in-rats
#20
Yongkan Ki, Wontaek Kim, Yong Ho Kim, Donghyun Kim, Jin Sook Bae, Dahl Park, Hosang Jeon, Ju Hye Lee, Jayoung Lee, Jiho Nam
The kidney is one of the most radiosensitive organs in the abdominal cavity and is the dose-limiting structure in cancer patients receiving abdominal or total body irradiation. In the present study, the effect of coenzyme Q10 (CoQ10) on radiation nephropathy was evaluated in rats. A total of 72 rats were equally randomized into 4 groups: Control, CoQ10, irradiation with 10 Gy (RT) + placebo, or RT + CoQ10. The 2 RT groups received single 10 Gy of abdominal irradiation. The 2 CoQ10 groups were supplemented daily with 1 mL of soybean oil containing 10 mg/kg of CoQ10...
May 2017: Journal of Korean Medical Science
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