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calcium lactation

Ruchita Dixit, Sowmya Nettem, Simerjit S Madan, Htoo Htoo Kyaw Soe, Adinegara Bl Abas, Leah D Vance, Patrick J Stover
BACKGROUND: Sickle cell disease (SCD) is a group of disorders that affects haemoglobin, which causes distorted sickle- or crescent-shaped red blood cells. It is characterized by anaemia, increased susceptibility to infections and episodes of pain. The disease is acquired by inheriting abnormal genes from both parents, the combination giving rise to different forms of the disease. Due to increased erythropoiesis in people with SCD, it is hypothesized that they are at an increased risk for folate deficiency...
March 16, 2018: Cochrane Database of Systematic Reviews
Lie Wang, Giri Kumar Chandaka, Robert C Foehring, Joseph C Callaway, William E Armstrong
Oxytocin (OT) neurons exhibit larger afterhyperpolarizations (AHPs) following spike trains during pregnancy and lactation, when these neurons burst and release more OT. Calcium-dependent AHPs mediated by SK channels show this plasticity, and are reduced when the channel is phosphorylated by casein kinase 2 (CK2), and increased when dephosphorylated by protein phosphatase 2A (PP2A), by altering Ca2+ sensitivity. We compared AHP currents in supraoptic OT neurons after CK2 inhibition with 4,5,6,7-tetrabromobenzotriazole (TBB), or PP1-PP2A inhibition with okadaic acid (OA) focusing on the peak current at 100 ms representing the SK-mediated, medium AHP (ImAHP )...
March 14, 2018: Journal of Neurophysiology
Facundo Mendes Garrido Abregú, María Natalia Gobetto, Lorena Vanesa Juriol, Carolina Caniffi, Rosana Elesgaray, Analía Lorena Tomat, Cristina Arranz
Micronutrient malnutrition during intrauterine and postnatal growth may program cardiovascular diseases in adulthood. We examined whether moderate zinc restriction in male and female rats throughout fetal life, lactation and/or postweaning growth induces alterations that can predispose to the onset of vascular dysfunction in adulthood. Female Wistar rats were fed low- or control zinc diets from pregnancy to offspring weaning. After weaning, offspring were fed either a low- or a control zinc diet until 81 days...
February 9, 2018: Journal of Nutritional Biochemistry
Matthew A Halanski, Blake Hildahl, Laura A Amundson, Ellen Leiferman, Annette Gendron-Fitzpatrick, Rajeev Chaudhary, Heather M Hartwig-Stokes, Ronald McCabe, Rachel Lenhart, Matthew Chin, Jennifer Birstler, Thomas D Crenshaw
BACKGROUND: The purpose of this study was to explore the role of perinatal vitamin-D intake on the development and characterization of hyperkyphosis in a porcine model. METHODS: The spines of 16 pigs were assessed at 9, 13, and 17 weeks of age with radiography and at 17 weeks with computed tomography (CT), magnetic resonance imaging (MRI), histology, and bone-density testing. An additional 169 pigs exposed to 1 of 3 maternal dietary vitamin-D levels from conception through the entire lactation period were fed 1 of 4 nursery diets supplying different levels of vitamin D, calcium, and phosphorus...
March 7, 2018: Journal of Bone and Joint Surgery. American Volume
Ling-Heng Kong, Yu-Long Chen, Na Sun, Ming Wei, Juan-Xia Zhu, Xing-Li Su
OBJECTIVE: To investigate the role of calcium/calmodulin-dependent protein kinase II (CaMKII) in myocardial ischemia-reperfusion (IR) injury in isolated perfused rat heart and explore the underlying mechanisms. METHODS: An ischemia-reperfusion (IR) model was prepared using isolated rat hearts perfused with Krebs-Henseleit solution were randomly divided into control group, 2.5 µmol/L KN-93 group, IR (induced by ischemia for 45 min followed by reperfusion for 120 min) group and KN-93+IR group...
February 20, 2018: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
P Gaignon, M Gelé, C Hurtaud, A Boudon
Milk is an important source of Ca in western diets. Milk Ca is important for the cheesemaking process and could be a useful biomarker of Ca regulation in cows. The objective of this study was to identify and quantify nongenetic factors affecting the variation of Ca content in bovine milk. During the PhénoFinLait program, a survey was performed in 3 major areas of milk production in France. This survey consisted of collecting milk samples, together with information about herd management and cow nutrition, from 924 commercial farms...
February 28, 2018: Journal of Dairy Science
Feng Li, Guangwei Liu, Xin Tian, Fengying Quan, Bosong Li, Guibo Feng, Xuefeng Wang, Yida Hu
OBJECTIVES: Adult patients with hypoxic-ischemic encephalopathy (HIE) often incur large costs, but their outcomes are poor. Currently, there is lack of a comprehensive quantitative approach to predict patient prognoses. METHODS: A total of 73 adult patients with HIE participated in this prospective, observational study. Clinical assessments, laboratory tests, and electrophysiological examinations were conducted within 3 days after HIE occurred. Logistic regression model was used to identify independent factors associated with patient outcomes...
March 1, 2018: Expert Review of Neurotherapeutics
Lubomir Bodnar, Rafał Stec, Szczepan Cierniak, Agnieszka Synowiec, Gabriel Wcisło, Marzena Jesiotr, Robert Koktysz, Paweł Chrom, Cezary Szczylik
BACKGROUND: The aim of the present study was to search for predictive and prognostic factors in patients with metastatic renal cell carcinoma (mRCC) treated with everolimus among the components of the WNT/β-catenin pathway. PATIENTS AND METHODS: In a prospective, single-arm, phase II study, patients with mRCC received everolimus (10 mg/d) in a 30-day cycle. We performed a prospectively planned evaluation of the potential biomarkers of the WNT/β-catenin pathway...
February 2, 2018: Clinical Genitourinary Cancer
Helge Røsjø, Serge Masson, Pietro Caironi, Mats Stridsberg, Michela Magnoli, Geir Christensen, Gabriella Moise, Maria Cristina Urbano, Luciano Gattinoni, Antonio Pesenti, Roberto Latini, Torbjørn Omland
OBJECTIVES: Secretoneurin directly influences cardiomyocyte calcium handling, and circulating secretoneurin levels seem to improve risk prediction in patients with myocardial dysfunction by integrating information on systemic stress, myocardial function, and renal function. Accordingly, in this study, we hypothesized that secretoneurin would improve risk prediction in patients with sepsis and especially in patients with septic shock as these patients are more hemodynamically unstable...
February 23, 2018: Critical Care Medicine
Maciej Rożyński, Krystyna Demska-Zakęś, Agnieszka Sikora, Zdzisław Zakęś
The aim of the study was to describe the course and timing of the different stages of anesthesia induced with Propiscin (etomidate) on juvenile European perch (experiment I) and to describe the effect of immersing specimens of this species had on selected hematological and biochemical parameters (experiment II). The study was conducted on material with body weights (BW) of 162.98 (experiment I) and 171.60 g (experiment II). In experiment I, general anesthesia was induced with two different anesthetic concentrations (1 or 2 ml l-1 ; anesthesia time 10 min)...
February 23, 2018: Fish Physiology and Biochemistry
Fang Li, Xiao-Xue Fan, Chun Chu, Yu Zhang, Jun-Ping Kou, Bo-Yang Yu
BACKGROUND/AIMS: Traditional Chinese medicine (TCM) has been used in clinical practice for thousands of years and has accumulated considerable knowledge concerning the in vivo efficacy of targeting complicated diseases. TCM formulae are a mixture of hundreds of chemical components with multiple potential targets, essentially acting as a combination therapy of multi-component drugs. However, the obscure substances and the unclear molecular mechanisms are obstacles to their further development and internationalization...
February 16, 2018: Cellular Physiology and Biochemistry
Henrique A T Grecco, Alessandro B Amorim, Mayra A D Saleh, Marcos L P Tse, Filipe G Telles, Gabriela M Miassi, Guilherme M Pimenta, Dirlei A Berto
Two experiments (E) were carried out to evaluate the effects of fumaric acid and an acidifier blend [composed by calcium formate, calcium lactate and medium-chain fatty acids (capric and caprylic)] in piglet diets containing colistin (40 ppm) or halquinol (120 ppm) on performance, diarrhea incidence (E1), organs relative weight, pH values, intestinal morphometry and microbiota (E2). In E1, 192 and E2, 24 piglets weaned at 21-day-old were randomly assigned to blocks with 2x2 factorial arrangement of treatments [absence or presence of fumaric acid x absence or presence of acidifier blend], six replicates of eight (E1) and one piglet per pen (E2)...
February 19, 2018: Anais da Academia Brasileira de Ciências
Ákos Tényi, Isaac Cano, Francesco Marabita, Narsis Kiani, Susana G Kalko, Esther Barreiro, Pedro de Atauri, Marta Cascante, David Gomez-Cabrero, Josep Roca
BACKGROUND: Chronic obstructive pulmonary disease (COPD) patients often show skeletal muscle dysfunction that has a prominent negative impact on prognosis. The study aims to further explore underlying mechanisms of skeletal muscle dysfunction as a characteristic systemic effect of COPD, potentially modifiable with preventive interventions (i.e. muscle training). The research analyzes network module associated pathways and evaluates the findings using independent measurements. METHODS: We characterized the transcriptionally active network modules of interacting proteins in the vastus lateralis of COPD patients (n = 15, FEV1 46 ± 12% pred, age 68 ± 7 years) and healthy sedentary controls (n = 12, age 65 ± 9  years), at rest and after an 8-week endurance training program...
February 20, 2018: Journal of Translational Medicine
Ghassen Soussi, Nissaf Ben Alaya, Nawel Chaouch, Hajer Racil
INTRODUCTION: Despite the continuous efforts made with the TNM system, the issue of heterogeneity of prognosis within the stages of non-small cell lung cancer (NSCLC) could not be resolved. Our aim was to identify prognostic factors and develop an index to predict NSCLC survival with greater accuracy. METHODS: We conducted a survival study over 5 years on patients with NSCLC. Kaplan-Meier analysis followed by Cox regression modelling were used. Prognostic indices were derived, using either an additive or a multiplicative pattern, and were compared by their receiver operating characteristics (ROC) curves...
February 5, 2018: Cancer Epidemiology
Chen Li, Noel W Solomons, Marilyn E Scott, Kristine G Koski
The possibility that either subclinical mastitis (SCM), an inflammatory condition of the breast, or elevations in breast milk proinflammatory cytokines alter breast milk mineral and trace element composition in humans has not been investigated. In this cross-sectional study, breast milk samples (n=108) were collected from Guatemalan Mam-Mayan mothers at one of three stages of lactation (transitional, early and established), and categorized as SCM (Na:K >0.6) or non-SCM (Na:K ≤0.6). Milk concentrations of 12 minerals (calcium, copper, iron, magnesium, manganese, phosphorus, potassium, rubidium, selenium, sodium, strontium, and zinc) and 4 proinflammatory cytokines (IL-1β, IL-6, IL-8, TNF-α) were measured by inductively coupled plasma mass spectrometry (ICP-MS), Lachat analyzer or Luminex multiplex bead cytokine assay...
March 2018: Journal of Trace Elements in Medicine and Biology
Victoria Interlandi, Pablo A Fontanetti, Rubén H Ponce, Raquel V Gallará, Viviana A Centeno
We aimed to investigate the effect of maternal exposure to NaF on mandibular bone microarchitecture and phosphocalcic plasma parameters of the offspring. For this purpose, 10-, 15-, and 21-day-old pups (n = 6-8 per group) from two groups of mothers, control and NaF 50mg/L treated dams, were used. Plasma calcium (Ca) and phosphorus (P) levels and alkaline phosphatase activity (ALP) were measured. Fluoride concentration (F-) in bone and in stomach content was measured using potentiometry after isothermal distillation...
February 6, 2018: Biological Trace Element Research
Chitra Subramani, Arivukkodi Rajakkannu, Arunadevi Rathinam, Sudesh Gaidhani, Ilavarasan Raju, Dhiman Vaidya Kartar Singh
Premna integrifolia Linn. is a medicinal plant used in "Dhasamula" drug preparation of Ayurvedic systems of medicine in the treatment of various ailments like bronchitis, dyspepsia, liver disorders, piles, constipation, hyperlipidemia and fever. The anti-atherosclerotic activity of hydroalcoholic extract (HAE) of root bark of P. integrifolia was evaluated in high fat diet induced atherosclerosis rats. Sixty Wistar rats were divided into six groups: the first group served as control, the second group was fed with high fat diet and the other three groups were fed with high fat diet along with various concentrations of HAE and the last group was treated with atorvastatin for 30 days...
April 2017: Journal of Pharmaceutical Analysis
Fatemeh Mohammadi, Jamileh Amirzadeh Iranagh, Seyedeh Ameneh Motalebi, Tengku Aizan Hamid
OBJECTIVE: This study examined the relationship between reproductive characteristics and bone mineral density in postmenopausal women who had been referred to the menopause clinics of the National Population and Family Development Board and of the Hospital Kuala Lumpur from July 2011 to January 2012. METHOD: The participants of this study were 201 postmenopausal Malaysian women aged 45-71 years. Some socio-demographic, life style and reproductive factors were recorded...
February 5, 2018: Women & Health
M Jahani-Moghadam, Y Chashnidel, A Teimouri-Yansari, E Mahjoubi, E Dirandeh
AIMS: To determine the effects of oral Ca bolus administration in the early postpartum period of cows on milk yield and composition, blood metabolites, early-lactation health status, and reproductive performance. METHODS: Multiparous Holstein dry cows with a mean parity of 3.1 (SD 0.35) were fed a diet with a positive dietary cation-anion difference (DCAD) prior to calving. They were randomly assigned to receive no treatment (Control; n=33) or two oral Ca boluses (n=33, 45 g of Ca per bolus); one was administered after calving (Day 0) and the second 24 hours (± 30 minutes) later...
February 4, 2018: New Zealand Veterinary Journal
Ehsan Mahjoubi, Davood Zahmatkesh, Mehdi Hossein-Yazdi, Mohammad Hadi Khabbazan, Mohammad Reza Samadian
Prepartum milk leakage happens in some pregnant dairy cows close to calving. It has been hypothesized that low blood Ca is a cause of this event. To investigate the possible reason(s) of milk leakage, 137 multiparous pregnant Holstein cows were enrolled in the experiment and categorized by the presence (72 heads; leak group) or lack (65 heads; control group) of milk leakage before calving. The concentrations of Ca and P and the length of the teat were measured for all cows. Data showed that Ca concentration was not different between cows in the leak group (7...
January 31, 2018: Journal of Dairy Science
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