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Betahydroxybutyrate

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https://www.readbyqxmd.com/read/28929991/effects-of-different-dosages-of-propylene-glycol-in-dry-cows-and-cows-in-early-lactation
#1
Michaela Maurer, Walter Peinhopf, Jutta Gottschalk, Almut Einspanier, Gabor Koeller, Thomas Wittek
In this Research Paper we hypothesised that the temporary insulin resistance seen during the transition period in dairy cows may cause significant differences in the efficacy of PG at different sampling periods and that in some cases this effect will be dose dependent. Eighty four sampling sets were generated by studying 7 multiparous Holstein cows repeatedly at 4 sampling periods of 3 d length (dry cows: days 40, 39 and 38 antepartum; close up cows: days 10, 9 and 8 antepartum; fresh cows: days 3, 4 and 5 post-partum; lactating cows: days 38, 39 and 40 post-partum)...
November 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28205324/evaluation-of-subcutaneous-glucose-monitoring-systems-under-routine-environmental-conditions-in-patients-with-type-1-diabetes
#2
COMPARATIVE STUDY
Felix Aberer, Martin Hajnsek, Markus Rumpler, Sabine Zenz, Petra M Baumann, Hesham Elsayed, Adelheid Puffing, Gerlies Treiber, Thomas R Pieber, Harald Sourij, Julia K Mader
Continuous and flash glucose monitoring (GM) systems have been established in diabetes care. We compared the sensor performance of 3 commercially available GM systems. A total of 12 patients with type 1 diabetes were included in a single-centre, open-label study in which the sensor performance of the Abbott FreeStyle libre (Abbott), Dexcom G4 Platinum (Dexcom) and Medtronic MiniMed 640G (Medtronic) systems over 12 hours was compared during mimicked real-life conditions (meals, exercise, hypo- and hyperglycaemia)...
July 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/27705753/leptin-levels-seasonality-and-thermal-acclimation-in-the-microbiotherid-marsupial-dromiciops-gliroides-does-photoperiod-play-a-role
#3
Marcela Franco, Carolina Contreras, Ned J Place, Francisco Bozinovic, Roberto F Nespolo
Mammals of the Neotropics are characterized by a marked annual cycle of activity, which is accompanied by several physiological changes at the levels of the whole organism, organs and tissues. The physiological characterization of these cycles is important, as it gives insight on the mechanisms by which animals adjust adaptively to seasonality. Here we studied the seasonal changes in blood biochemical parameters in the relict South American marsupial Dromiciops gliroides ("monito del monte" or "little mountain monkey"), under semi-natural conditions...
January 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/25256567/a-randomized-controlled-study-on-the-effects-of-acetate-free-biofiltration-on-organic-anions-and-acid-base-balance-in-hemodialysis-patients
#4
RANDOMIZED CONTROLLED TRIAL
Juan J Sánchez-Canel, Julio Hernández-Jaras, Ramón Pons-Prades
Metabolic acidosis correction is achieved by the transfer of bicarbonate and other buffer anions in dialysis. The aim of this study was to evaluate changes in the main anions of intermediary metabolism on standard hemodiafiltration (HDF) and on acetate-free biofiltration (AFB). A prospective, in-center, crossover study was carried out with 22 patients on maintenance dialysis. Patients were randomly assigned to start with 12 successive sessions of standard HDF with bicarbonate (34 mmol/L) and acetate dialysate (3 mmol/L) or 12 successive sessions of AFB without base in the dialysate...
February 2015: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/24578317/decreased-serum-protein-associated-with-mycobacterium-avium-subspecies-paratuberculosis-shedding-in-german-holstein-cows
#5
K Donat, G Erhardt, A Soschinka, H R Brandt
Using well established metabolic parameters, this study aimed to substantiate differences in protein and energy metabolism between Mycobacterium avium subspecies paratuberculosis (MAP) positive and negative dairy cows tested by faecal culture. A total of 227 MAP-positive and 239 MAP-negative German Holstein cows kept in 13 MAP-positive dairy herds were selected for metabolic testing. The serum concentrations of total protein (TP), bilirubin, cholesterol and betahydroxybutyrate were measured as well as the activities of Glutamate-Dehydrogenase (GLDH) and Aspartate-Aminotransferase...
April 19, 2014: Veterinary Record
https://www.readbyqxmd.com/read/23469056/a-genetically-encoded-fret-lactate-sensor-and-its-use-to-detect-the-warburg-effect-in-single-cancer-cells
#6
Alejandro San Martín, Sebastián Ceballo, Iván Ruminot, Rodrigo Lerchundi, Wolf B Frommer, Luis Felipe Barros
Lactate is shuttled between and inside cells, playing metabolic and signaling roles in healthy tissues. Lactate is also a harbinger of altered metabolism and participates in the pathogenesis of inflammation, hypoxia/ischemia, neurodegeneration and cancer. Many tumor cells show high rates of lactate production in the presence of oxygen, a phenomenon known as the Warburg effect, which has diagnostic and possibly therapeutic implications. In this article we introduce Laconic, a genetically-encoded Forster Resonance Energy Transfer (FRET)-based lactate sensor designed on the bacterial transcription factor LldR...
2013: PloS One
https://www.readbyqxmd.com/read/23293135/the-effects-of-dietary-boron-compounds-in-supplemented-diet-on-hormonal-activity-and-some-biochemical-parameters-in-rats
#7
Ismail Kucukkurt, Erten Akbel, Funda Karabag, Sinan Ince
The aims of this study were to clarify the effects of dietary boric acid or borax, as a boron (B) source, on hormonal status (leptin, insulin, triiodothyronine (T3), and thyroxine) and some biochemical parameter levels as glucose, carnitine, nonesterified fatty acids, and betahydroxybutyric acid in rats. A total of 30 Sprague-Dawley male rats were divided into three equal groups: the animals in the first group (control) were fed with a standard rodent diet containing 6.4 mg B/kg, and the animals in the experimental group were fed with a standard rodent diet added with boric acid and borax (100 mg B/kg) throughout the experimental period of 28 days...
March 2015: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/21881903/periparturition-alterations-to-liver-ultrasonographic-echo-texture-and-fat-mobilization-parameters-in-clinically-healthy-holstein-cows
#8
Saman Rafia, Taghi Taghipour-Bazargani, Farzad Asadi, Alireza Vajhi, Saied Bokaie
The objective of present study was to record the sequential alterations in liver echo-texture through digital analyzing of the B-mode ultrasonography in three groups of under-conditioned (UC), moderate-conditioned (MC), and over-conditioned (OC) clinically healthy Holstein cows from 30 days to calving until 30 days in milk. Furthermore, to compare their changes in association with the changes of fat mobilization parameters of non-esterified fatty acids (NEFA), betahydroxybutyric acid (BHBA), and body condition score (BCS)...
December 2011: Veterinary Research Communications
https://www.readbyqxmd.com/read/21222582/point-of-care-testing-in-diabetes-care
#9
E Matteucci, O Giampietro
Assessing modifiable risk factors for metabolic and cardiovascular diseases prior to the onset of disease could allow effective prevention initiatives. Equally, monitoring in diabetic people glucose, haemoglobin A1c, ketones, lipid profiles, and urinary microalbumin concentrations allows the prevention, early detection, and treatment of diabetes-related acute and chronic complications and has a positive impact on the process of care in the management of patients with diabetes. The point-of-care testing (PoCT) technology offers convenient aspects: immediate results, decision-making without the need for repeated visits, use of fingerstick blood samples...
February 2011: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/18708542/a-pyruvate-buffered-dialysis-fluid-induces-less-peritoneal-angiogenesis-and-fibrosis-than-a-conventional-solution
#10
Roos van Westrhenen, Machteld M Zweers, Cindy Kunne, Dirk R de Waart, Allard C van der Wal, Raymond T Krediet
BACKGROUND: Conventional lactate-buffered peritoneal dialysis (PD) fluids containing glucose and glucose degradation products are believed to contribute to the development of fibrosis and angiogenesis in the dialyzed peritoneum. To reduce potential negative effects of lactate, pyruvate was substituted as a buffer and its effects on peritoneal pathological alterations were studied in a chronic peritoneal exposure model in the rat. METHODS: 20 Wistar rats were infused intraperitoneally with pyruvate-buffered (n = 9) or lactate-buffered PD fluid...
September 2008: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/18053525/-pyroglutamic-acidemia-associated-with-acetaminophen
#11
F J Alados Arboledas, P de la Oliva Senovilla, Ma J García Muñoz, A Alonso Melgar, F Ruza Tarrío
We report a case of pyroglutamic acidemia probably related to acetaminophen administration. A 16-month boy recovering from hemolytic uremic syndrome abruptly developed unexplained high anion gap metabolic acidosis requiring hemodialysis. Septic shock, lactic acidosis and salicylate intoxication were ruled out. Betahydroxybutyrate and acetoacetate levels were within the normal range. No osmolarity gap or high amino acid levels were found. Urine and blood pyroglutamic acid levels were 392 mmol/mol creatinine (reference range: 9-55) and 9...
December 2007: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/17821952/automated-determination-of-blood-metabolic-acidosis-total-acid-phosphatase-angiotensin-converting-enzyme-fructosamine-and-urinary-oxalate-and-citrate-on-the-abx-pentra-400
#12
COMPARATIVE STUDY
Anne Marie Boularan, Anne Marie Dupuy, Jean Paul Cristol
We have adapted automated assays for quantification of pyruvate (PYR), acetoacetate (AA), and betahydroxybutyrate (BOHB) in plasma, total acid phosphatase (TAP), angiotensin converting enzyme (ACE) and fructosamine (FRUCT) in serum, and oxalate (OXAL) and citrate (CIT) in urine that can be performed on the ABX Pentra 400. The aim of this study was to evaluate the analytical performances of these parameters and to compare data obtained in patient samples with those obtained with the Cobas Mira. Within-run and between-run imprecisions ranged from 0...
2007: Clinical Laboratory
https://www.readbyqxmd.com/read/17368838/the-associations-between-culling-due-to-clinical-johne-s-disease-or-the-detection-of-mycobacterium-avium-subsp-paratuberculosis-fecal-shedding-and-the-diagnosis-of-clinical-or-subclinical-diseases-in-two-dairy-herds-in-minnesota-usa
#13
Eran A Raizman, Scott J Wells, Sandra M Godden, John Fetrow, J Michael Oakes
Our objectives were to identify associations between clinical or subclinical diseases and subsequent culling because of clinical Johne's disease (JD) or the detection of fecal shedding of Mycobacterium paratuberculosis (Map) after 305 days in milk (DIM). A total of 1297 cows from two Minnesota dairies were enrolled in the study. From study cows, fecal samples were obtained prior to calving (close-up period) and after at least 305 DIM or at the time of leaving the herd (sold/dead). Between 3 and 21 DIM, blood samples were obtained for serum betahydroxybutyrate (BHB) and serum total-protein testing...
July 16, 2007: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/17311193/hematology-and-serum-biochemistry-values-of-trapped-healthy-free-ranging-rock-hyraxes-procavia-capensis-and-their-association-with-age-sex-and-gestational-status
#14
Itamar Aroch, Roni King, Gad Baneth
BACKGROUND: The rock hyrax (Procavia capensis) is an herbivore prevalent from South Africa to Turkey, and a most common zoo animal. Although many studies of hyrax diseases and physiology are available, clinicopathologic data are limited. OBJECTIVES: The purpose of this study was to establish comprehensive hematologic and biochemical reference intervals for trapped, apparently healthy, free-ranging rock hyraxes using modern laboratory methods and to assess differences related to sex, gestation, and age...
March 2007: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/17203740/the-level-of-serum-ionised-calcium-aspartate-aminotransferase-insulin-glucose-betahydroxybutyrate-concentrations-and-blood-gas-parameters-in-cows-with-left-displacement-of-abomasum
#15
I Sen, M Ok, A Coskun
The purpose of this study was to determine concentrations of serum glucose, aspartate aminotransferase (AST), insulin, beta-hydroxybutyrate (BOH) and ionised calcium (Ica) in dairy cows with left displaced abomasum (LDA) and to compare these parameters before and after surgical correction of LDA. Eighteen Swiss-Holstein dairy cows with LDA were used in this study. Clinically healthy post parturient cows (n: 10) from a local dairy farm were used as control group. Blood samples were collected from the jugular vein from all the cows...
2006: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/17090432/effects-of-the-resuscitation-fluid-and-the-hemoglobin-based-oxygen-carrier-hboc-excipient-on-the-toxicity-of-the-hboc-ringer-s-d-l-lactate-ringer-s-l-lactate-and-ringer-s-ketone-solutions
#16
REVIEW
C Robert Valeri, Gina Ragno, Richard L Veech
Hemoglobin based oxygen carriers (HBOC) are resuspended in "excipients" consisting of Ringer's D,L-lactate containing antioxidants to prevent methemoglobin formation during storage. Investigators have reported cardiac arrhythmias following infusion of Ringer's D,L-lactate solution. Studies have shown that D-lactate stimulates human granulocytes to generate oxygen free radicals and L-lactate inhibits glycolysis. Patients receiving HBOC in Ringer's D,L-lactate excipient are also resuscitated or hemodiluted with Ringer's lactate solution...
2006: Artificial Cells, Blood Substitutes, and Immobilization Biotechnology
https://www.readbyqxmd.com/read/16933554/the-relationship-between-herd-level-disease-incidence-and-a-return-over-feed-index-in-ontario-dairy-herds
#17
Chris J McLaren, Kerry D Lissemore, Todd F Duffield, Ken E Leslie, David F Kelton, Bill Grexton
The objective of the current research was to examine the association of herd level disease incidence with the return over feed (ROF) (milk income minus feed cost) herd profit index offered through Canwest Dairy Herd Improvement. The lactational incidence risks (LIR) for displaced abomasum, retained placenta, clinical mastitis, milk fever, clinical ketosis, and lameness submitted by producers (n = 48) were similar to previous reports. However, there was no negative association of clinical disease LIR's with ROE Subclinical ketosis and subclinical mastitis cumulative incidence were determined during the early postpartum period by using a cow-side test for betahydroxybutyrate in milk and the California Mastitis Test, respectively...
August 2006: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/16032096/the-effects-of-long-haul-transport-on-pregnant-non-lactating-dairy-cows
#18
A D Fisher, P V Pearce, L R Matthews
AIMS: The transport of dairy cows from the North to the South Island of New Zealand has been common in recent years. The aims of this study were to determine the serum biochemical and bodyweight responses of cows to such a journey, and to investigate the effects of pre-transport hay feeding. METHODS: Pregnant, non-lactating Jersey cows from two herds were transported by road (1196 km) and ferry (5 hours) over a 3-4 day period. Cows in each herd were allocated to three 4-day pre-transport feeding treatments (grass only, grass + hay, 3 days of grass then 1 day of hay)...
October 1999: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/15886243/increasing-serum-betahydroxybutyrate-concentrations-during-the-72-hour-fast-evidence-against-hyperinsulinemic-hypoglycemia
#19
F John Service, Peter C O'Brien
OBJECTIVE: We have determined whether the behavior of betahydroxybutyrate (BOHB) during the 72-h fast of persons without evidence of hyperinsulinemic or any form of organic hypoglycemia might provide indicators of a negative fast. DESIGN: Twenty-one patients with surgically confirmed insulinoma and 34 patients with negative 72-h fasts had BOHB measured every 6 h until Whipple's triad in the former and until 72-h in the latter. RESULTS: Quadratic regression curves of BOHB from the negative fasts showed the typical curve to be flat initially, then increase in a manner that was roughly linear...
August 2005: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/15671924/what-are-capillary-blood-ketone-levels-in-type-1-diabetic-patients-using-csii-in-normal-conditions-of-insulin-delivery
#20
M P Matta, V Melki, S Bessière-Lacombe, H Hanaire-Broutin
OBJECTIVE: The aim of the study was to determine the normal level of capillary ketonemia in type 1 diabetic patients on continuous subcutaneous insulin infusion (CSII). RESEARCH DESIGN AND METHODS: A total of 36 type 1 diabetic patients treated by external pump were studied for 2 to 3 weeks. Patients were instructed to self monitor capillary glucose and capillary ketone bodies at least 4 times per day with a handheld Medisense Optium meter and check for urinary ketone bodies in the morning and when blood glucose exceeded 2...
December 2004: Diabetes & Metabolism
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