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https://www.readbyqxmd.com/read/29773188/the-toxic-effect-of-gallic-acid-on-biochemical-factors-viability-and-proliferation-of-rat-bone-marrow-mesenchymal-stem-cells-was-compensated-by-boric-acid
#1
Mohammad Hussein Abnosi, Somayeh Yari
OBJECTIVE: Gallic acid (GA) and boron are found in many plants. Our previous studies showed 6 ng/ml boric acid (BA) had positive effect on biochemistry of rat bone marrow mesenchymal stem cells (MSCs) and their osteogenic differentiation. Therefore, we investigate the effect of different doses of GA alone and in the presence of BA on MSCs. MATERIALS AND METHODS: the viability of MSCs was assayed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and trypan blue at 12, 24 and 36 h in presence of different concentration of GA...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29760322/effect-of-dietary-difructose-anhydride-iii-supplementation-on-bone-mineral-density-and-calcium-metabolism-in-late-lactation-dairy-cows
#2
Ayami Maetani, Masayuki Ohtani, Kaoru Hatate, Kotaro Matsumoto, Norio Yamagishi
The aim of the present study was to examine the effect of 28 days of dietary difructose anhydride (DFA) III supplementation on calcium (Ca) metabolism in late-lactation dairy cows. Twenty-four multiparous pregnant Holstein cows were divided into two groups. The DFA group was fed total mixed ration (TMR) supplemented with 40 g of DFA III, and the control group was fed TMR only. The replenishment of bone Ca reserves was evaluated by measuring bone mineral density (BMD) and blood biochemical bone markers. Serum Ca concentrations, urinary Ca-to-creatinine (Cre) (Ca/Cre) ratios, and milk Ca concentrations were also analyzed...
May 14, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29752396/fueling-thought-management-of-glycolysis-and-oxidative-phosphorylation-in-neuronal-metabolism
#3
REVIEW
Gary Yellen
The brain's energy demands are remarkable both in their intensity and in their moment-to-moment dynamic range. This perspective considers the evidence for Warburg-like aerobic glycolysis during the transient metabolic response of the brain to acute activation, and it particularly addresses the cellular mechanisms that underlie this metabolic response. The temporary uncoupling between glycolysis and oxidative phosphorylation led to the proposal of an astrocyte-to-neuron lactate shuttle whereby during stimulation, lactate produced by increased glycolysis in astrocytes is taken up by neurons as their primary energy source...
May 11, 2018: Journal of Cell Biology
https://www.readbyqxmd.com/read/29751657/ureolytic-non-ureolytic-bacteria-co-cultured-self-healing-agent-for-cementitious-materials-crack-repair
#4
Hyeong Min Son, Ha Yeon Kim, Sol Moi Park, Haeng Ki Lee
The present study investigated the CaCO₃ precipitation performance of ureolytic and non-ureolytic bacteria co-cultured as a self-healing agent for cementitious materials crack repair. Three different inoculum ratios of ureolytic Sporosarcina pasteurii and non-ureolytic Bacillus thuringiensis (10:0, 8:2, or 5:5) were used. The effect of coculturing ureolytic and non-ureolytic bacteria on microbial metabolism was investigated by measuring the rate of growth in urea-containing medium and the rate of NH₄⁺ and CaCO₃ production in urea⁻calcium lactate medium...
May 11, 2018: Materials
https://www.readbyqxmd.com/read/29750296/hyperoside-protects-human-kidney%C3%A2-2-cells-against-oxidative-damage-induced-by-oxalic-acid
#5
Yongliang Chen, Lihong Ye, Wangjian Li, Dongzhang Li, Feng Li
The majority of renal calculi (kidney stones) are calcium stones. Oxidative damage to renal tubular epithelial cells induced by reactive oxygen species (ROS) is the predominant cause of calcium oxalate stone formation. Hyperoside (Hyp) is a flavonol glycoside extracted from medicinal plants and appears to exhibit potent antioxidant activity in various cells. The aim of the present study was to investigate the protective effect of Hyp on renal cells exposed to oxidative stress simulated by oxalic acid (OA), and to determine whether the underlying mechanism involves the nuclear factor E2‑related factor2 (Nrf2)‑antioxidative response element signaling pathway...
May 2, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29732947/pulmonary-hypofunction-due-to-calcium-carbonate-nanomaterial-exposure-in-occupational-workers-a-cross-sectional-study
#6
Guoliang Li, Lihong Liang, Jingchao Yang, Lihai Zeng, Zhiwei Xie, Yizhou Zhong, Xiaolin Ruan, Ming Dong, Zhanhong Yang, Guanchao Lai, Weixin Huang, Aichu Yang, Jiabing Chen, Banghua Wu, Huaming Xu, Dezhi Meng, Shijie Hu, Lihua Xia, Xingfen Yang, Laiyu Li, Sahoko Ichihara, Gaku Ichihara, Hanlin Huang, Zhenlie Huang
Calcium carbonate nanomaterials (nano-CaCO3 ) are widely used in both manufacturing and consumer products, but their potential health hazards remain unclear. The objective of this study was to survey workplace exposure levels and health effects of workers exposed to nano-CaCO3 . Personal and area sampling, as well as real-time and dust monitoring, were performed to characterize mass exposure, particle size distribution, and particle number exposure. A total of 56 workers (28 exposed workers and 28 unexposed controls) were studied in a cross-sectional study...
May 6, 2018: Nanotoxicology
https://www.readbyqxmd.com/read/29722905/influence-of-biological-factors-on-hematological-and-serum-biochemistry-values-in-captive-ad%C3%A3-lie-chinstrap-gentoo-and-macaroni-penguins-in-pingtung-taiwan
#7
Shih-Yu Chen, Yi-Lun Tsai, Suen-Chuain Lin, Yeong-Huey Wu, Ming-Huei Liao, Ching-Dong Chang, Tsung-Hsien Li, Hsiao-Kuang Ho
Hematology and serum biochemistry reference values are essential for health evaluation and disease diagnosis in penguins. However, there are currently no published physiological values for captive Adélie (Pygoscelis adeliae) and Chinstrap penguins (P. antarcticus), nor for wild or captive Macaroni penguins (Eudyptes chrysolophus). The present study is the first investigation regarding hematology and serum biochemistry reference values for captive Adélie, Gentoo (P. papua), Chinstrap, and Macaroni penguins in Asia...
May 3, 2018: Zoo Biology
https://www.readbyqxmd.com/read/29721912/a-middle-eastern-founder-mutation-expands-the-genotypic-and-phenotypic-spectrum-of-mitochondrial-micu1-deficiency-a-report-of-13-patients
#8
Sara Musa, Wafaa Eyaid, Kimberli Kamer, Rehab Ali, Mariam Al-Mureikhi, Noora Shahbeck, Fatma Al Mesaifri, Nawal Makhseed, Zakkiriah Mohamed, Wafaa Ali AlShehhi, Vamsi K Mootha, Jane Juusola, Tawfeg Ben-Omran
MICU1 encodes a Ca2+ sensing, regulatory subunit of the mitochondrial uniporter, a selective calcium channel within the organelle's inner membrane. Ca2+ entry into mitochondria helps to buffer cytosolic Ca2+ transients and also activates ATP production within the organelle. Mutations in MICU1 have previously been reported in 17 children from nine families with muscle weakness, fatigue, normal lactate, and persistently elevated creatine kinase, as well as variable features that include progressive extrapyramidal signs, learning disabilities, nystagmus, and cataracts...
May 3, 2018: JIMD Reports
https://www.readbyqxmd.com/read/29710464/cistanche-deserticola-polysaccharides-protects-pc12-cells-against-ogd-rp-induced-injury
#9
Yue Liu, Hui Wang, Mei Yang, Ning Liu, Yuping Zhao, Xue Qi, Yang Niu, Tao Sun, Yuxiang Li, Jianqiang Yu
Ischemia stroke is a disease with high morbidity and mortality. Cistanche deserticola polysaccharides (CDP) possess a wide range of beneficial effects, including hepatoprotection and immune homeostasis. As far as we know, the protective effect of CDP on neurons injured by oxygen-glucose deprivation/reperfusion (OGD/RP) has not been investigated. In this study, OGD/RP injured a PC12 cell model. Briefly, CDP (0.05, 0.5 and 5??g/ml) was administered before reperfusion. The protective effect of CDP was then evaluated on the basis of cell viability, lactate dehydrogenase (LDH) leakage, [Ca2+ ]i , mitochondrial membrane potential (MMP)and cell apoptosis, and redox status after reperfusion was evaluated by assaying reactive oxygen species (ROS), catalase (CAT), glutathione peroxidase (GSH-Px) and total antioxidant capacity...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29701682/circulating-microrna-biomarkers-in-melanoma-tools-and-challenges-in-personalised-medicine
#10
REVIEW
Sophie L Mumford, Benjamin P Towler, Amy L Pashler, Onur Gilleard, Yella Martin, Sarah F Newbury
Effective management of melanoma depends heavily on early diagnosis. When detected in early non-metastatic stages, melanoma is almost 100% curable by surgical resection, however when detected in late metastatic stages III and IV, 5-year survival rates drop to ~50% and 10⁻25%, respectively, due to limited efficacy of current treatment options. This presents a pressing need to identify biomarkers that can detect patients at high risk of recurrence and progression to metastatic disease, which will allow for early intervention and survival benefit...
April 26, 2018: Biomolecules
https://www.readbyqxmd.com/read/29655684/protective-role-and-mechanism-of-snakegourd-peel-against-myocardial-infarction-in-rats
#11
Guanlin Yang, Dongyu Min, Junwei Yan, Ming Yang, Guijun Lin
BACKGROUND: Injection of snakegourd peel (SP), an herb used in traditional Chinese medicine, is used to treat coronary artery disease and stable angina in China. However, its therapeutic role and mechanism of action for the treatment of myocardial infarction (MI) is not fully understood. PURPOSE: The present study was designed to investigate the effect of SP on MI-induced cardiac injury and elucidate its underlying molecular mechanisms. METHODS: To create an in vivo model of MI, we ligated the left coronary artery of Wistar rats...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29617866/serotonin-induces-parathyroid-hormone-related-protein-in-goat-mammary-gland
#12
W J Zang, H Li, Z F Zhang, R QuZhen, Y Z CuoMu, D K Zhang, J Luo, J J Loor, H L Zheng
During lactation, large amounts of calcium are exported from the mammary gland into milk to ensure skeletal growth of the offspring. Recent studies revealed that serotonin (5-HT) is essential to stimulate skeletal calcium resorption for milk synthesis. Our objective was to explore the correlation between circulating 5-HT and serum calcium and parathyroid hormone-related protein (PTHrP) concentrations around parturition in dairy goats. We also investigated the effect of 5-HT on PTHrP expression in cultured primary goat mammary epithelial cells (GMEC)...
April 3, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29614795/full-atrioventricular-block-secondary-to-acute-poisoning-mercury-a-case-report
#13
Amelia Geraldine Peregrina-Chávez, María Del Rayo Ramírez-Galindo, Rolando Chávez-Martínez, Cesar Anuar Delahanty-Delgado, Fernando Vazquez-Alaniz
Background: The biological behaviour and clinical significance of mercury toxicity vary according to its chemical structure. Mercury differs in its degree of toxicity and in its effects on the nervous, digestive and immune systems as well as on organs such as the lungs, kidneys, skin, eyes and heart. Human exposure occurs mainly through inhalation of elemental mercury vapours during industrial and artisanal processes such as artisanal and small-scale gold mining. Case presentation: A 52-years-old female, housewife, with a body mass index of 25...
April 2, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29605323/effects-of-fat-supplementation-to-diets-high-in-nonforage-fiber-on-production-responses-of-midlactation-dairy-cows
#14
C M Ylioja, C Abney-Schulte, R Stock, B J Bradford
The effects of dietary nonforage fiber sources on production responses of lactating dairy cattle have been well described, but interactions with other components of the diet have been less thoroughly explored. We investigated the effects of adding 2 commonly fed fat sources to a ration featuring high levels of nonforage fiber supplied by a corn milling by-product. Midlactation Holstein cows were blocked by parity, stratified by days in milk, and randomly assigned to 1 of 6 pens (12 cows/pen). Pens were randomly assigned to treatment sequences in a 3 × 3 Latin square design, where the treatments consisted of prilled saturated fat (SAT; Energy Booster 100, Milk Specialties Co...
March 28, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29603039/could-use-of-selective-serotonin-reuptake-inhibitors-during-lactation-cause-persistent-effects-on-maternal-bone
#15
REVIEW
Samantha R Weaver, Laura L Hernandez
The lactating mammary gland elegantly coordinates maternal homeostasis to provide calcium for milk. During lactation, the monoamine serotonin regulates the synthesis and release of various mammary gland-derived factors, such as parathyroid hormone-related protein (PTHrP), to stimulate bone resorption. Recent evidence suggests that bone mineral lost during prolonged lactation is not fully recovered following weaning, possibly putting women at increased risk of fracture or osteoporosis. Selective Serotonin Reuptake Inhibitor (SSRI) antidepressants have also been associated with reduced bone mineral density and increased fracture risk...
March 30, 2018: Journal of Mammary Gland Biology and Neoplasia
https://www.readbyqxmd.com/read/29594386/mutational-analysis-uncovers-monogenic-bone-disorders-in-women-with-pregnancy-associated-osteoporosis-three-novel-mutations-in-lrp5-col1a1-and-col1a2
#16
S Butscheidt, A Delsmann, T Rolvien, F Barvencik, M Al-Bughaili, S Mundlos, T Schinke, M Amling, U Kornak, R Oheim
Pregnancy was found to be a skeletal risk factor promoting the initial onset of previously unrecognized monogenic bone disorders, thus explaining a proportion of cases with pregnancy-associated osteoporosis. Therapeutic measures should focus in particular on the normalization of the disturbed calcium homeostasis in order to enable the partial skeletal recovery. INTRODUCTION: Pregnancy-associated osteoporosis (PAO) is a rare skeletal condition, which is characterized by a reduction in bone mineral density (BMD) in the course of pregnancy and lactation...
March 29, 2018: Osteoporosis International
https://www.readbyqxmd.com/read/29582226/a-long-term-feed-supplementation-based-on-phosphate-binders-in-feline-chronic-kidney-disease
#17
E Biasibetti, E Martello, M Bigliati, I Biasato, T Cocca, N Bruni, M T Capucchio
Chronic kidney disease (CKD) is a very common disorder in elderly cats. A proper renal diet represents the most efficient therapeutic intervention to improve survival and life quality in feline patients with 3 and 4 International Renal Interest Society (IRIS) stages. Twenty cats were selected in this study. Ten were administered the dietary supplementation for 360 days and the other ten, whose owners did not give consent for any supplemental therapies apart from the renal diet, were selected from a clinical database and used as control group...
March 26, 2018: Veterinary Research Communications
https://www.readbyqxmd.com/read/29559185/development-and-storage-studies-of-high-density-macrocapsules-containing-lactobacillus-spp-strains-as-nutritional-supplement-in-young-calves
#18
Diego M Astesana, Jorge A Zimmermann, Laureano S Frizzo, María V Zbrun, Jesica E Blajman, Ayelén P Berisvil, Analía Romero-Scharpen, Marcelo L Signorini, Marcelo R Rosmini, Lorena P Soto
The aim of this study was to evaluate different production methodologies of probiotic macrocapsules with high bacterial densities destined to lactating calves. Three types of capsules containing Lactobacillus casei DSPV318T and Lactobacillus plantarum DSPV354T were prepared from an overnight culture in whey medium: (1) mixing the culture with calcium alginate and then, reincubating the capsules in whey (RC); (2) concentrating the biomass by centrifugation and mixing the pellet with calcium alginate (CC) at different concentrations with respect to the initial culture (5X and 12...
March 17, 2018: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29556888/the-effect-of-subclinical-mastitis-on-the-concentration-of-immunoglobulins-a-g-and-m-total-antioxidant-capacity-zinc-iron-total-proteins-and-calcium-in-she-camel-blood-in-relation-with-pathogens-present-in-the-udder
#19
Firas Mahmoud Hayajneh
The present study aims to evaluate the amount of immunoglobulins A, G, and M in she-camel blood serum in relation with the presence of pathogens in the udder, and to compare the antioxidative capacity and the concentration of zinc, iron, total proteins, and calcium. Milk and blood samples from she-camels from south Jordan were taken; according to milk bacteriological examination, the animals were divided into two groups: (Gm) which contained samples of milk contaminated with bacteria and (Gh) which contained uncontaminated milk samples...
March 20, 2018: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29552435/plasmacytoma-of-the-skull-base-a-rare-tumor
#20
Abhilasha Siyag, Tej P Soni, Anil K Gupta, Lalit M Sharma, Naresh Jakhotia, Shantanu Sharma
Plasmacytoma of the skull-base is a rare entity. Differential diagnosis includes chordoma, osteosarcoma, carcinoma nasopharynx, meningioma, metastatic carcinoma, lymphoma, and multiple myeloma. Accurate and precise diagnosis is extremely important for plasmacytoma of the skull-base as its treatment and prognosis is different from other skull-base lesions. A 41-year-old man presented with concerns of headache, diplopia, and left eye strabismus. A magnetic resonance image (MRI) of his brain showed a large expansile mass measuring 51 mm involving the clivus and central skull-base...
January 15, 2018: Curēus
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