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calcium lactation

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https://www.readbyqxmd.com/read/29297841/health-status-of-red-footed-boobies-sula-sula-determined-by-hematology-biochemistry-blood-gases-and-physical-examination
#1
Gregory A Lewbart, Catalina Ulloa, Diane Deresienski, Cristina Regalado, Juan-Pablo Muñoz-Pérez, Juan Garcia, Britta Denise Hardesty, Carlos A Valle
The red-footed booby ( Sula sula) is a widely distributed sulid native to the Galápagos archipelago. Hematology and blood chemistry parameters have been published for this species, but not from the San Cristóbal rookery. Analyses were run on blood samples drawn from 31 manually restrained red-footed boobies that were captured by hand from their nests at Punta Pitt on San Cristóbal Island. A portable blood analyzer (iSTAT) was used to obtain near immediate field results for pH, partial pressure of oxygen, partial pressure of carbon dioxide, bicarbonate, hematocrit, hemoglobin, sodium, potassium, ionized calcium, and glucose...
December 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29287467/calcium-induced-skim-milk-gels-using-different-calcium-salts
#2
L Lin, M Wong, H C Deeth, H E Oh
This study investigated the effects of heating skim milk with soluble calcium salts, calcium chloride, calcium lactate, calcium gluconate and calcium lactobionate, on the physico-chemical and rheological properties of milk. Regardless of the type of salt added, the amount of casein in milk serum decreased and the amount of calcium in centrifuge sediment increased along with the serum calcium. The amount of calcium salt required for gelation and the gel firmness (G') varied depending on the salt. The aCa2+ order in milk was calcium chloride>calcium lactate>calcium gluconate>calcium lactobionate...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29286061/cardioprotection-by-exenatide-a-novel-mechanism-via-improving-mitochondrial-function-involving-the-glp-1-receptor-camp-pka-pathway
#3
Guanglei Chang, Jian Liu, Shu Qin, Youqin Jiang, Peng Zhang, Hui Yu, Kai Lu, Nan Zhang, Li Cao, Ying Wang, Yong Li, Dongying Zhang
Accumulating evidence suggests that glucagon-like peptide-1 (GLP-1) and its analogues exert cardioprotective effects via modulating cardiomyocyte metabolism. Mitochondria play a pivotal role in the regulation of cell metabolism. It was hypothesized that treatment with exenatide, a GLP-1 analogue, may exert cardioprotective effects by improving mitochondrial function in an in vitro model of hypoxia/reoxygenation (H/R). H9c2 cells were employed to establish an in vitro model of H/R. Exenatide was added to the cells for 30 min prior to exposure to hypoxia...
December 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29285102/protective-effects-of-carnosic-acid-against-mitochondria-mediated-injury-in-h9c2-cardiomyocytes-induced-by-hypoxia-reoxygenation
#4
Ping Liu, Jing Dong
Myocardial ischemia and reperfusion occurs in myocardial infarction. Timely reperfusion will exacerbate the injury through the mitochondria-mediated apoptosis in cardiomyocytes due to the accumulation of excessive reactive oxygen species (ROS). In order to identify novel therapeutic approaches, the cardioprotective effects of carnosic acid and the underlying mechanisms were investigated in the present study in H9c2 cardiomyocytes injured by hypoxia/reoxygenation in vitro. The viability of H9c2 cardiomyocytes was detected by MTT assay and further confirmed by the detection of intracellular lactate dehydrogenase (LDH) release...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29277683/new-aerosol-formulation-to-control-ciprofloxacin-pulmonary-concentration
#5
Barbara Lamy, Frederic Tewes, Dolores Remedios Serrano, Isabelle Lamarche, Patrice Gobin, William Couet, Anne Marie Healy, Sandrine Marchand
Ciprofloxacin (CIP) apparent permeability across a pulmonary epithelium model can be controlled by the affinity of its complex with a metal cation. The higher the complex affinity, the larger is the reduction in CIP apparent permeability. The aim of this study was to evaluate if the control of the CIP apparent permeability observed in vitro could be transposed in vivo to control the CIP lung-to-blood absorption rate and CIP concentrations in the lung epithelial lining fluid (ELF) after intratracheal (IT) administration...
December 22, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29277067/biochemical-composition-of-fetal-fluids-in-at-term-normal-developed-healthy-viable-dogs-and-preliminary-data-from-pathologic-littermates
#6
M C Veronesi, B Bolis, M Faustini, A Rota, A Mollo
A proper canine neonatal assistance, required to reduce the high perinatal loss rate, imply a full knowledge about the fetal-to-neonatal physiology. Because fetal fluids play an important role throughout mammals pregnancy, influencing fetal growth and development, fetal well being, and contributing to guarantee the most suitable environment for the fetus, the knowledge about fetal fluids biochemical composition is of major importance. At first, the biochemical composition of fetal fluids collected by normal developed, healthy and viable newborns, is necessary to depict the normal features, and represent the first step for the further detection of abnormalities associated to fetal/neonatal distress and useful for the early identification of newborns needing special attention, immediately after birth...
December 14, 2017: Theriogenology
https://www.readbyqxmd.com/read/29274966/fetuin-a-a-negative-acute-phase-protein-linked-to-adipose-tissue-function-in-periparturient-dairy-cows
#7
Clarissa Strieder-Barboza, Jonas de Souza, William Raphael, Adam L Lock, G Andres Contreras
Fetuin-A (FetA) is a free fatty acid transporter and an acute-phase protein that enhances cellular lipid uptake and lipogenesis. In nonruminants, FetA is involved in lipid-induced inflammation. Despite FetA importance in lipid metabolism and inflammation, its expression and dynamics in adipose tissue (AT) of dairy cows are unknown. The objectives of this study were to (1) determine serum and AT FetA dynamics over the periparturient period and in mid-lactation cows in negative energy balance (NEB) after a feed restriction protocol and (2) characterize how an inflammatory challenge affects adipocyte FetA expression...
December 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29274871/glucocorticoid-receptor-activation-selectively-influence-performance-of-wistar-rats-in-y-maze
#8
Amin Abdulbasit, Fii Stephen Michael, Amusa Shukurat Onaopemipo, Alli-Oluwafuyi Abdulmusawwir, Imam Aminu, Asogwa Nnaemeka Tobechukwu, Abdulmajeed Wahab Imam, Adeyanju Oluwaseun Aremu, Olaseinde Folajimi, Abolarinwa Bilikis Aderonke, Ibrahim Ridwan Babatunde, Owoyele Victor Bamidele
Glucocorticoid receptors (GR) are ubiquitously expressed in metazoans. Different and contrasting phenotypes have been reported upon their activation. This study investigated the behavioral phenotypes characteristic of GR stimulation in male Wistar rats. Rats in each of the four groups of rats received one of the following treatments: distilled water (control) or one of three doses of dexamethasone (treatment) injected intraperitoneally for 7 days. The Rats were afterwards subjected to the Y maze, the elevated plus maze (EPM), the Morris water maze (MWM), and the novel object recognition (NOR) test...
December 9, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/29258769/calcium-and-vitamin-d-in-human-health-hype-or-real
#9
REVIEW
Sunil J Wimalawansa, DSc Mohammed S Razzaque, Nasser M Al-Daghri
The incidence and the prevalence of vitamin D deficiency are increasing worldwide. It is estimated that over 50% of population in the world have low in vitamin D (i.e., hypovitaminosis D; levels below 30 ng/mL). 80% of our vitamin D requirement comes from the ultraviolet rays from sunlight, and for the remainder, we rely from the diet and supplements. The latter become important when one is exposing to less than optimal amounts of sunlight, inability of the skin to generate vitamin D efficiently, and/or having secondary causes that leads to increase catabolism of vitamin D...
December 16, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29248216/inclusion-of-calcium-hydroxide-treated-corn-stover-as-a-partial-forage-replacement-in-diets-for-lactating-dairy-cows
#10
Brittany A Casperson, Aimee E Wertz-Lutz, Jim L Dunn, Shawn S Donkin
Chemical treatment may improve the nutritional value of corn crop residues, commonly referred to as corn stover, and the potential use of this feed resource for ruminants, including lactating dairy cows. The objective of this study was to determine the effect of prestorage chopping, hydration, and treatment of corn stover with Ca(OH)2 on the feeding value for milk production, milk composition, and dry matter intake (DMI). Multiparous mid-lactation Holstein cows (n = 30) were stratified by parity and milk production and randomly assigned to 1 of 3 diets...
December 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29246446/febrile-temperature-reprograms-by-redox-mediated-signaling-the-mitochondrial-metabolic-phenotype-in-monocyte-derived-dendritic-cells
#11
Marta Menga, Rosa Trotta, Rosella Scrima, Consiglia Pacelli, Veronica Silvestri, Claudia Piccoli, Nazzareno Capitanio, Arcangelo Liso
Fever-like hyperthermia is known to stimulate innate and adaptive immune responses. Hyperthermia-induced immune stimulation is also accompanied with, and likely conditioned by, changes in the cell metabolism and, in particular, mitochondrial metabolism is now recognized to play a pivotal role in this context, both as energy supplier and as signaling platform. In this study we asked if challenging human monocyte-derived dendritic cells with a relatively short-time thermal shock in the fever-range, typically observed in humans, caused alterations in the mitochondrial oxidative metabolism...
December 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29241198/fam3a-protects-against-glutamate-induced-toxicity-by-preserving-calcium-homeostasis-in-differentiated-pc12-cells
#12
Qing Song, Wen-Li Gou, Yu-Liang Zou
BACKGROUND/AIMS: Stroke is the leading cause of adult disability, and glutamate-induced dysregulation of intracellular Ca2+ homeostasis is a key mechanism. FAM3A is the first member of the family with sequence similarity 3 (FAM3) gene family, and its biological function remains largely unknown. We have recently reported that FAM3A exerts protective effects against oxidative stress and mitochondrial dysfunction in HT22 cells. METHODS: Here, we investigated the protective effects of FAM3A using a glutamate-induced neuronal injury model in nerve growth factor (NGF)-differentiated PC12 cells...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29238189/diethyl-citrate-and-sodium-citrate-reduce-the-cytotoxic-effects-of-nanosized-hydroxyapatite-crystals-on-mouse-vascular-smooth-muscle-cells
#13
Chong-Yu Zhang, Xin-Yuan Sun, Jian-Ming Ouyang, Bao-Song Gui
Objective: This study aimed to investigate the damage mechanism of nanosized hydroxyapatite (nano-HAp) on mouse aortic smooth muscle cells (MOVASs) and the injury-inhibiting effects of diethyl citrate (Et2Cit) and sodium citrate (Na3Cit) to develop new drugs that can simultaneously induce anticoagulation and inhibit vascular calcification. Methods: The change in cell viability was evaluated using a cell proliferation assay kit, and the amount of lactate dehydrogenase (LDH) released was measured using an LDH kit...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29228690/cartilage-oligomeric-matrix-protein-promotes-prostate-cancer-progression-by-enhancing-invasion-and-disrupting-intracellular-calcium-homeostasis
#14
Emelie Englund, Giacomo Canesin, Konstantinos S Papadakos, Neelanjan Vishnu, Emma Persson, Bart Reitsma, Aseem Anand, Laila Jacobsson, Leszek Helczynski, Hindrik Mulder, Anders Bjartell, Anna M Blom
Cartilage oligomeric matrix protein (COMP) was recently implicated in the progression of breast cancer. Immunostaining of 342 prostate cancer specimens in tissue microarrays showed that COMP expression is not breast cancer-specific but also occurs in prostate cancer. The expression of COMP in prostate cancer cells correlated with a more aggressive disease with faster recurrence. Subcutaneous xenografts in immunodeficient mice showed that the prostate cancer cell line DU145 overexpressing COMP formed larger tumors in vivo as compared to mock-transfected cells...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29219187/integrated-molecular-biochemical-and-physiological-assessment-unravels-key-extraction-method-mediated-influences-on-rat-neonatal-cardiomyocytes
#15
Leonardo Jensen, Elida Neri, Vinicius Bassaneze, Nathalia Corrêa De Almeida Oliveira, Rafael Dariolli, Thiago Lauro Turaça, Débora Levy, Douglas Veronez, Mariana Sacrini Ayres Ferraz, Adriano Mesquita Alencar, Sérgio Paulo Bydlowski, Idágene Aparecida Cestari, José Eduardo Krieger
Neonatal cardiomyocytes are instrumental for disease modeling, but the effects of different cell extraction methods on basic cell biological processes remain poorly understood. We assessed the influence of two popular methods to extract rat neonatal cardiomyocytes, Pre-plating (PP) and Percoll (PC) on cell structure, metabolism, and function. Cardiomyocytes obtained from PP showed higher gene expression for troponins, titin, and potassium and sodium channels compared to PC. Also, PP cells displayed higher levels of troponin I protein...
December 8, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29199192/alterations-to-maternal-cortical-and-trabecular-bone-in-multiparous-middle-aged-mice
#16
A Gu, R Sellamuthu, E Himes, P J Childress, L M Pelus, C M Orschell, M A Kacena
OBJECTIVES: During the reproductive cycle, altered calcium homeostasis is observed due to variable demand for mineral requirements. This results in increased bone resorption during the time period leading up to parturition and subsequent lactation. During lactation, women will lose 1-3% of bone mineral density per month, which is comparable to the loss experienced on an annual basis post-menopausal. The purpose of this study was to determine the effect of parity on bone formation in middle-aged mice...
December 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/29199169/treatment-of-reflux-disease-during-pregnancy-and-lactation
#17
Ülkü Dağlı, İsmail Hakkı Kalkan
Gastroesophageal reflux disease (GERD) is frequently seen during pregnancy. In the medical treatment of pregnant women with GERD, alginic acid and sucralfate can be used. Calcium- and magnesium-based antacids can also be used, particularly for patients with preeclampsia. In particular, ranitidine -a histamine-2 receptor blocker- is preferred. In the case of non-responsiveness to the abovementioned treatments, proton pump inhibitors (PPIs), except omeprazole, can be given considering the benefit-harm ratio for the mother and fetus after the first trimester...
December 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/29194002/auranofin-a-thioredoxin-reductase-inhibitor-causes-platelet-death-through-calcium-overload
#18
Matthew T Harper
Platelets are central to normal hemostasis and must be tightly controlled to prevent thrombosis. However, drug treatments that also affect platelets could lead to unwanted side effects on hemostasis or thrombosis. In this study, the effect of auranofin on platelets was tested. Auranofin, a gold-based thioredoxin reductase (TRXR) inhibitor, has been previously used in arthritis. Recently, auranofin and other inhibitors of the thioredoxin system have been proposed as novel anti-cancer therapies. TRXR is an important part of the antioxidant defenses in many cells that maintain intracellular proteins in their reduced state...
December 1, 2017: Platelets
https://www.readbyqxmd.com/read/29192635/is-hemorrhage-the-reason-in-crimean-congo-hemorrhagic-fever-patients-with-neurological-signs-and-symptomsa
#19
Fatma Aktaş, Zafer Özmen, Ayşegül Altunkaş, Eda Albayrak, Fazilet Duygu, Osman Demir, Zeliha Cansel Özmen
PURPOSE: Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne disease can result in mortality varying from 3.0% to 50.0%. In this study, we wished to discuss computed tomography (CT) findings together with clinical and laboratory findings in patients who had disease-related neurological signs. MATERIALS AND METHODS: The study included patients who were diagnosed with CCHF. Seventeen patients that had neurological signs were enrolled as the patient group. As a control group, 40 patients diagnosed with CCHF and did not have neurological signs were enrolled...
October 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29190288/hematologic-and-biochemical-differences-between-two-free-ranging-yangtze-finless-porpoise-populations-the-implications-of-habitat
#20
Ghulam Nabi, Yujiang Hao, Xianyuan Zeng, Zheng Jinsong, Richard W McLaughlin, Ding Wang
The goals of this study were to compare the serum chemistry and hematology values of wild and semi-natural free-ranging Yangtze Finless Porpoises (Neophocaena asiaeorientalis ssp. asiaeorientalis) populations and to ascertain how these values change with the different environmental condition. For this study, samples were collected from 81 YFPs, 35 living in the wild and 46 living in a semi-natural reserve. Each population was divided into 8 life history categories; Male Calf, Female Calf, Juvenile Male, Juvenile Female, Adult Male, Pregnant, Lactating and Pregnant plus Lactating...
2017: PloS One
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