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calcium lactation

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https://www.readbyqxmd.com/read/29145296/approach-to-the-patient-with-pregnancy-and-lactation-associated-osteoporosis-a-case-report-and-a-review-of-the-literature
#1
Min Zhang, Ping Chen, Bin Li, Juan Du, Ting Pan, Jingyan Chen
RATIONALE: Pregnancy and lactation-associated osteoporosis (PLO) is very rare, but it can cause severe vertebral compression fractures with disabling back pain. Although it is a rare, PLO must be kept in mind in the differential diagnosis in patients presenting with low back pain during or after pregnancy. PATIENT CONCERNS: A 23-year-old woman who suffered from lumbago and fractures in the vertebral column 1 month after delivery. DIAGNOSIS: Pregnancy and lactation-associated osteoporosis...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143345/lin28a-enhances-in-vitro-osteoblastic-differentiation-of-human-periosteum-derived-cells
#2
Jin-Ho Park, Bong-Wook Park, Young-Hoon Kang, Sung-Hoon Byun, Sun-Chul Hwang, Deok Ryong Kim, Dong Kyun Woo, June-Ho Byun
Despite a capacity for proliferation and an ability to differentiate into multiple cell types, in long-term culture and with ageing, stem cells show a reduction in growth, display a decrease in differentiation potential, and enter senescence without evidence of transformation. The Lin28a gene encodes an RNA-binding protein that plays a role in regulating stem cell activity, including self-renewal and differentiation propensity. However, the effect of the Lin28a gene on cultured human osteoprecursor cells is poorly understood...
November 16, 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29142413/antiurolithiatic-potential-of-neeri-against-calcium-oxalate-stones-by-crystallization-inhibition-free-radicals-scavenging-and-nrk-52e-cell-protection-from-oxalate-injury
#3
Parveen Kumar Goyal, Santosh Kumar Verma, Anil Kumar Sharma
Background: Neeri is a well-established polyherbal formulation prescribed for renal stones by the physicians but has not been experimentally evaluated for its antiurolithiatic potential using cell-lines. Objective: This study is aimed to scientifically substantiate the antiurolithiatic effect of Neeri extract (NRE) through calcium oxalate (CaOx) crystallization inhibition, scavenging of free radicals, and protection of renal tubular epithelial NRK-52E cells from oxalate-induced injury...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29136400/changes-in-bone-turnover-and-calcium-homeostasis-during-pregnancy-and-lactation-in-mammals-a-meta-analysis
#4
Diego A Torres, Mariella B Freitas, Reggiani V Gonçalves
Large amounts of calcium are required during pregnancy and lactation to support fetal and neonatal bone growth and calcification. An inadequate supply of calcium during these stages can lead to unsuccessful reproduction or impaired offspring fitness. During reproduction, female mammals undergo numerous physiological changes, including adaptations to allow an adequate supply of calcium. The lack of quantitative studies analysing these physiological changes from a comparative perspective limits our ability to explain and understand these adaptations...
November 15, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29126424/salivary-ph-calcium-phosphorus-and-selected-enzymes-in-healthy-dogs-a-pilot-study
#5
Ilaria Iacopetti, Anna Perazzi, Tamara Badon, Silvia Bedin, Barbara Contiero, Rebecca Ricci
BACKGROUND: Saliva in dogs, as in humans, is a complex fluid secreted by different salivary glands in the oral cavity to protect the oral mucosa and teeth. The use of saliva as a substitute for blood in diagnosing and prognosticating disease in humans is widely accepted. Salivary biochemistry has also been used as a marker for periodontal disease in humans. No studies have as yet investigated the relation between salivary biochemistry and periodontal disease in dogs, however; neither has the salivary composition of healthy dogs with no oral disease been assessed...
November 10, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29114148/the-enzymes-and-electrolytes-profiles-in-hydatid-cyst-fluid-of-naturally-infected-iranian-domestic-ruminants
#6
Mohammad Yakhchali, Siamak Asri-Rezaie, Saeid Samimirad, Hadi Rezaie
Cystic echinoccoccosis is a zoonotic and prevalent disease which causes health problems and economic looses worldwide. The biochemical components of hydatid cyst fluid (HCF) have important role in metabolism and growth of unilocular hydatid cyst. The aim of the current study was to determine HCF level of enzymes and electrolytes profiles in naturally infected Iranian domestic ruminants. The livers and lungs infected with hydatid cysts were collected and HCF was aspirated from a total of 100 cysts obtained from livers (50 cysts) and lungs (50 cysts) of slaughtered domestic ruminants...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29108038/prepartum-daylight-exposure-increases-serum-calcium-concentrations-in-dairy-cows-at-the-onset-of-lactation
#7
R Özçelik, R M Bruckmaier, L E Hernández-Castellano
In dairy cows, hypocalcemia is caused by the sudden calcium demand by the mammary gland at the onset of lactation. Calcitriol (1,25-dihydroxy vitamin D; 1,25-VitD) increases the intestinal calcium absorption and the renal calcium reabsorption. Daylight contributes to the formation of 1,25-VitD, as it transforms 7-dehydrocholesterol into cholecalciferol, a 1,25-VitD precursor. Calving pens are usually set in quiet places where cows can stay calm and relaxed before parturition. However, those pens often have poor lighting conditions and therefore cows may become vitamin D deficient because of inadequate daylight exposure...
October 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/29103725/association-of-immediate-postpartum-plasma-calcium-concentration-with-early-lactation-clinical-diseases-culling-reproduction-and-milk-production-in-holstein-cows
#8
R C Neves, B M Leno, M D Curler, M J Thomas, T R Overton, J A A McArt
The objective of this study was to evaluate the association of postpartum plasma Ca concentration with early-lactation disease outcomes, culling within 60 d in milk, pregnancy to first service, and milk production. A total of 1,453 cows from 5 commercial dairy farms in New York State were enrolled in a prospective cohort study from February to November 2015. Blood samples were collected within 12 h of parturition, and plasma was submitted to a diagnostic laboratory for total Ca measurement. Early-lactation disease, reproductive performance, and milk production from Dairy Herd Improvement Association (DHIA) test-day data were compiled from each farm's management software...
November 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29102132/effects-of-supplemental-calcium-salts-of-palm-oil-and-chromium-propionate-on-insulin-sensitivity-and-productive-and-reproductive-traits-of-mid-to-late-lactating-holstein-%C3%A3-gir-dairy-cows-consuming-excessive-energy
#9
T Leiva, R F Cooke, A P Brandão, R D Bertin, E A Colombo, V F B Miranda, L A C Lourenço, S M B Rodrigues, J L M Vasconcelos
This experiment compared insulin sensitivity, milk production, and reproductive outcomes in dairy cows consuming excessive energy during mid to late lactation and receiving in a 2 × 2 factorial design (1) concentrate based on ground corn (CRN; n = 20) or including 8% (DM basis) of Ca salts of palm oil (CSPO; n = 20), and (2) supplemented (n = 20) or not (n = 20) with 2.5 g/d of Cr-propionate. During the experiment (d 0-203), 40 multiparous, nonpregnant, lactating 3/4 Holstein × 1/4 Gir cows (initial days in milk = 81 ± 2; mean ± SE) were offered corn silage for ad libitum consumption, and individually received concentrate formulated to allow diets to provide 160% of their daily net energy for lactation requirements...
October 25, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29099901/-factors-influencing-the-quality-of-the-first-colostrum-in-holstein-friesian-cows-and-their-relationship-to-postpartum-calcium-concentrations-in-the-blood-and-colostrum
#10
Maria Karl, Rudolf Staufenbiel
OBJECTIVE: To investigate the factors that affect the quality (immunoglobulin concentration) of the first colostrum in Holstein Friesian cows and their relationship to the calcium concentrations in the blood and colostrum, with particular attention to the lactation number. MATERIAL AND METHODS: An observational study was conducted at a commercial dairy farm (2278 Holstein Friesian cows). The analysis comprised the following variables: colostrum content of immunoglobulins and calcium, colostrum yield; blood serum concentrations of calcium, phosphate, non-esterified fatty acids, and β-hydroxybutyrate; back-fat thickness; daily milk production; calving data; lactation number; male parent of the cow; length of gestation; age at first calving; duration of the dry period; fertility parameters of prelactation; diseases during the dry period and up to 3 days postpartum...
November 3, 2017: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
https://www.readbyqxmd.com/read/29097910/analytical-interference-by-contrast-agents-in-biochemical-assays
#11
Sigrid Otnes, Niels Fogh-Andersen, Janne Rømsing, Henrik S Thomsen
Objective: To provide a clinically relevant overview of the analytical interference by contrast agents (CA) in laboratory blood test measurements. Materials and Methods: The effects of five CAs, gadobutrol, gadoterate meglumine, gadoxetate disodium, iodixanol, and iomeprol, were studied on the 29 most frequently performed biochemical assays. One-day-old plasma, serum, and whole blood were spiked with doses of each agent such that the gadolinium agents and the iodine agents reached concentrations of 0...
2017: Contrast Media & Molecular Imaging
https://www.readbyqxmd.com/read/29043982/preanalytical-influence-of-pneumatic-tube-delivery-system-on-results-of-routine-biochemistry-and-haematology-analysis
#12
Morgane Petit, Louis Mine, Tiffany Pascreau, Chantal Brouzes, Sandrine Majoux, Delphine Borgel, Jean-Louis Beaudeux, Dominique Lasne, Carole Hennequin
Pneumatic tube delivery system (PTS) enables to reduce considerably turnaround times. The aim of the study was to assess the influence of the PTS on the quality of routine biochemical and hematological tests in our laboratory. Blood samples from 6 hospitalized patients and 8 healthy volunteers were analyzed. Blood samples were delivered to the laboratory by a PTS and by a human courier. We performed the following analysis: ionized calcium, sodium, potassium, lactate deshydrogenase (LDH), aspartate aminotransferase (ASAT), arterial blood gas, complete blood count and coagulation test as prothrombin time, activated partial thromboplastin time, factors V and VIII...
October 18, 2017: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/29038192/two-gaps-too-many-three-clues-too-few-do-elevated-osmolal-and-anion-gaps-with-crystalluria-always-mean-ethylene-glycol-poisoning
#13
Maneesh Gaddam, Ravi Kanth Velagapudi, Emad Abu Sitta, Abed Kanzy
A 60-year-old African-American man with a medical history significant for heavy alcohol abuse, hypertension, delirium tremens, nephrolithiasis and seizure disorder was brought to the hospital with altered mental status. He was found to have high anion gap metabolic acidosis with significantly elevated lactate along with an elevated osmolal gap and calcium oxalate crystals in his urine. With this combination of findings, ethylene glycol poisoning was high in the differential. This case report describes why ethylene glycol poisoning was not the diagnosis in this patient despite the presence of these three classic laboratory findings, therefore emphasising the fact that these findings should not be taken at face value because they can be seen collectively in a patient yet each have a different cause...
October 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29027817/oral-supplementation-of-parturient-mothers-with-vitamin-d-and-its-effect-on-25ohd-status-of-exclusively-breastfed-infants-at-6-months-of-age-a-double-blind-randomized-placebo-controlled-trial
#14
Prasanna Naik, M M A Faridi, Prerna Batra, S V Madhu
BACKGROUND: Exclusively breastfed infants are at increased risk of vitamin D deficiency and many lactating mothers have been found deficient in 25OHD stores. OBJECTIVE: To compare serum vitamin D levels in exclusively breastfed infants at 6 months of age with or without oral supplementation of 600,000 IU of vitamin D3 to mothers in early postpartum period. METHODS: Exclusively breastfeeding term parturient mothers were randomized 24-48 hours following delivery to receive either 600,000 IU of vitamin D3 (Cholecalciferol) over 10 days in a dose of 60,000 IU/day or placebo...
October 13, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28987571/field-trial-of-2-calcium-supplements-on-early-lactation-health-and-production-in-multiparous-holstein-cows
#15
Antonia R Domino, Helen C Korzec, Jessica A A McArt
Our objectives were to measure serum Ca concentrations in the first 48 h postpartum in cows supplemented with oral Ca or subcutaneous Ca and nonsupplemented cows and evaluate the effect of these treatments on the incidence of metritis, displaced abomasum, mastitis, and early lactation disease (any of the diseases milk fever, retained placenta, metritis, or displaced abomasum), removal from the herd, pregnancy to first insemination, and average daily milk yield for the first 10 wk of lactation. We conducted 2 experiments on 1 commercial herd in New York State...
October 4, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28979992/reproduction-differentially-affects-trabecular-bone-depending-on-its-mechanical-versus-metabolic-role
#16
Chantal M J de Bakker, Wei-Ju Tseng, Yihan Li, Hongbo Zhao, Allison R Altman-Singles, Yonghoon Jeong, Juhanna Robberts, Lin Han, Do-Gyoon Kim, X Sherry Liu
During pregnancy and lactation, the maternal skeleton provides calcium for fetal/infant growth, resulting in substantial bone loss, which partially recovers after weaning. However, the amount of bone that is lost and the extent of post-weaning recovery are highly variable among different skeletal sites, and, despite persistent alterations in bone structure at some locations, reproductive history does not increase postmenopausal fracture risk. To explain this phenomenon, we hypothesized that the degree of reproductive bone loss/recovery at trabecular sites may vary depending on the extent to which the trabecular compartment is involved in the bone's load-bearing function...
November 1, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28954513/lotus-seed-resistant-starch-regulates-gut-microbiota-and-increases-short-chain-fatty-acids-production-and-mineral-absorption-in-mice
#17
Hongliang Zeng, Cancan Huang, Shan Lin, Mingjing Zheng, Chuanjie Chen, Baodong Zheng, Yi Zhang
Lotus seed resistant starch, known as resistant starch type 3 (LRS3), was orally administered to mice to investigate its effects on the gut microbiota, short-chain fatty acids (SCFAs) production, and mineral absorption. The results showed that mice fed LRS3 displayed a lower level of gut bacterial diversity than other groups. The numbers of starch-utilizing and butyrate-producing bacteria, such as Lactobacillus and Bifidobacterium and Lachnospiraceae, Ruminococcaceae, and Clostridium, respectively, in mice increased after the administration of medium and high doses of LRS3, while those of Rikenellaceae and Porphyromonadaceae decreased...
October 11, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28952074/mfn2-mediated-preservation-of-mitochondrial-function-contributes-to-the-protective-effects-of-bhapi-in-response-to-ischemia
#18
Xiao-Li Chen, Guo-Ping Zhang, Sheng-Long Guo, Jia-Qi Ding, Jia-Ji Lin, Qian Yang, Zhu-Yi Li
Disturbances in intracellular iron homeostasis are associated with neuronal injury after stroke. However, exposure of cells to classical chelators may interfere with physiological iron functions. BHAPI is an iron prochelator that exerts strong iron binding capacity only under oxidative stress conditions. This study investigated the protective effects of N'-(1-(2-((4-(4,4,5,5-tetramethyl-1,2,3-dioxoborolan-2-yl)benzyl)oxy)phenyl)ethylidene (BHAPI) on an in vitro ischemia model mimicked by oxygen and glucose deprivation (OGD) in neuronal HT22 cells...
September 26, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28944326/the-anti-inflammatory-effect-of-hydrogen-sulphide-on-acute-necrotizing-pancreatitis-in-rats
#19
Kutay Sağlam, Etem Alhan, Serdar Türkyılmaz, Birgül Kural Vanizor, Cengiz Erçin
OBJECTIVE: The aim of this study was to investigate the dose-dependent anti-inflammatory effect of the Hydrogen sulfidedonor sodiumhydrosulphide on acute necrotizing pancreatitis in rats. MATERIAL AND METHODS: A total of 42 male Sprague-Dawley rats were divided into 4 groups: sham+saline (group 1), sham+NaHS (group 2), acute necrotizing pancreatitis+saline (group 3), and acute necrotizing pancreatitis+NaHS (group 4). Acute pancreatitis was induced in rats in groups 3 and 4 with the infusion of glycodeoxycholic acidinto the biliopancreatic canal and infusion of cerulein parenterally...
2017: Turk J Surg
https://www.readbyqxmd.com/read/28940514/fortified-tuna-bone-powder-supplementation-increases-bone-mineral-density-of-lactating-rats-and-their-offspring
#20
Panan Suntornsaratoon, Narattaphol Charoenphandhu, Nateetip Krishnamra
BACKGROUND: Breastfeeding leads to bone calcium loss for milk production, resulting in progressive maternal osteopenia. Calcium supplement from natural sources has been postulated to be more beneficial to bone health than purified CaCO3 because natural sources also contain other nutrients such as certain amino acids that might enhance calcium metabolism. Herein, we examined the effect of calcium supplementation from tuna bone powder and CaCO3 on bones of dams and the offspring. RESULTS: Both forms of calcium supplement, i...
September 22, 2017: Journal of the Science of Food and Agriculture
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