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https://www.readbyqxmd.com/read/28794421/beta-hydroxybutyrate-an-endogenic-nlrp3-inflammasome-inhibitor-attenuates-stress-induced-behavioral-and-inflammatory-responses
#1
Takehiko Yamanashi, Masaaki Iwata, Naho Kamiya, Kyohei Tsunetomi, Naofumi Kajitani, Nodoka Wada, Takahiro Iitsuka, Takahira Yamauchi, Akihiko Miura, Shenghong Pu, Yukihiko Shirayama, Ken Watanabe, Ronald S Duman, Koichi Kaneko
Neuro-inflammation has been shown to play a critical role in the development of depression. Beta-hydroxybutyrate (BHB) is a ketone body and has recently been reported to exert anti-inflammatory effects via inhibition of NLRP3 inflammasome. Here, we investigated the potential antidepressant and anti-inflammatory effects of BHB on rats exposed to acute and chronic stress. We examined the influence of repeated BHB administration on depressive and anxiety behaviors in a rodent model of chronic unpredictable stress (CUS)...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28780692/factors-influencing-adsorption-and-desorption-of-trimethoprim-on-marine-sediments-mechanisms-and-kinetics
#2
Jia Li, Hua Zhang
Adsorption-desorption behavior of ionic antibiotics in natural aquatic environment is complex, especially in coastal or estuary area where influencing factors such as pH and salinity usually varied in a wide range. In this study, batch-type and stirred flow chamber (SFC) experiments were carried out to simulate the sorption-desorption behavior of trimethoprim (TMP) in seawater-sediment system. Equilibrium and kinetic modeling were carried out to determine the rate and extent of TMP sorption on two marine sediments with different properties...
August 5, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28780460/nanoscale-trifunctional-bovine-hemoglobin-for-fabricating-molecularly-imprinted-polydopamine-via-pickering-emulsions-hydrogels-polymerization
#3
Yanhua Sun, Shian Zhong
In this work, a novel strategy was developed for the selective recognition of protein based on oil-in-water Pickering emulsions-hydrogels polymerization and interfacial imprinting method. For the first time, nanoscale trifunctional bovine hemoglobin (BHb) played three roles simultaneously during the process, including emulsifier, template protein and sacrificial material for further exposing recognition sites. Prior to acting as stabilizers, bovine hemoglobin colloidal particles (BCPs) were firstly prepared by acidification and heat denaturation...
July 29, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28760665/metritis-vaccination-in-holstein-dairy-heifers-using-a-herd-specific-multivalent-vaccine-effects-on-uterine-health-and-fertility-in-first-lactation
#4
M Freick, A Kunze, O Passarge, J Weber, S Geidel
In cattle, acute puerperal metritis (APM) compromises animal welfare and has an economic impact to the farmer because of the detrimental effects on reproductive performance, milk production, and survivability. The aim of this randomized clinical study was to investigate the effects of a prepartum immunization using a herd-specific multivalent vaccine on incidence of APM, prevalence of clinical endometritis (CE), and selected measures of reproductive performance in primiparous Holstein cows. Pregnant nulliparous cows (230±4days of gestation) assigned to the vaccinated group (VG; n=142) received subcutaneously 5...
July 22, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28755931/blood-plasma-traits-associated-with-genetic-merit-for-feed-utilization-in-holstein-cows
#5
C D Dechow, C R Baumrucker, R M Bruckmaier, J W Blum
The objective of this study was to evaluate the potential of selection for feed utilization on associated blood plasma metabolite and hormone traits. Dry matter intake (DMI) was recorded in 970 Holsteins from 11 commercial farms in Pennsylvania and used to derive dry matter efficiency (DME; fat-corrected milk yield/DMI), crude protein efficiency (CPE; protein yield/crude protein intake), and residual feed intake (RFI, defined as actual feed intake minus expected feed intake for maintenance and milk production, based on calculation of DMI adjusted for yield, body weight, and body condition score)...
July 26, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28741343/relationships-between-certain-metabolic-diseases-and-selected-serum-biochemical-parameters-in-seropositive-dairy-cows-against-neospora-caninum-infection-in-different-stages-of-lactation
#6
Myassar O. Alekish, Abdelsalam Q Talafha, Musa A Alshehabat, Zuhair A Bani Ismail
Neospora caninum is an important cause of abortion in dairy cattle. The general health of affected cows has not been investigated before. Therefore, the main objective of this study was to identify possible relationships between certain metabolic diseases and selected serum biochemical parameters in seropositive dairy cows against N. caninum antibodies in different stages of lactation. The study was carried out using 72 N. caninum seropositive cows and 61 seronegative dairy cows (control). Serum from all cows was tested to determine their N...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28711248/the-effect-of-source-of-supplemental-dietary-calcium-and-magnesium-in-the-peripartum-period-and-level-of-dietary-magnesium-postpartum-on-mineral-status-performance-and-energy-metabolites-in-multiparous-holstein-cows
#7
B M Leno, S E LaCount, C M Ryan, D Briggs, M Crombie, T R Overton
The objective of this study was to determine the effects of feeding different supplemental sources of Ca and Mg in the peripartum period, and different dietary levels of Mg postpartum, on plasma mineral status, performance, and aspects of energy metabolism in transition dairy cows. Multiparous Holstein cows (n = 41) were used in a completely randomized design with a 2 × 2 factorial arrangement of treatments starting at 28 d before expected parturition. Main effects were source assignments (CS = common sources of supplemental Ca and Mg, or MA = a blend of common and commercial mineral sources with supplemental minerals primarily from a commercial Ca-Mg dolomite source; MIN-AD, Papillon Agricultural Company Inc...
September 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28686253/predictive-models-of-gas-sorption-in-a-metal-organic-framework-with-open-metal-sites-and-small-pore-sizes
#8
Tony Pham, Katherine A Forrest, Douglas M Franz, Zhiyong Guo, Banglin Chen, Brian Space
Simulations of CO2 and H2 sorption were performed in UTSA-20, a metal-organic framework (MOF) having zyg topology and composed of Cu(2+) ions coordinated to 3,3',3'',5,5',5''-benzene-1,3,5-triyl-hexabenzoate (BHB) linkers. Previous experimental studies have shown that this MOF displays remarkable CO2 sorption properties and exhibits one of the highest gravimetric H2 uptakes at 77 K/1.0 atm (2.9 wt%) [Z. Guo, et al. Angew. Chem., Int. Ed., 2011, 50, 3178-3181]. For both sorbates, the simulations were executed with the inclusion of explicit many-body polarization interactions, which was necessary to reproduce sorption onto the open-metal sites...
July 7, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28685447/diet-induced-ketosis-protects-against-focal-cerebral-ischemia-in-mouse
#9
Kui Xu, Lena Ye, Katyayini Sharma, Yongming Jin, Matthew M Harrison, Tylor Caldwell, Jessica M Berthiaume, Yu Luo, Joseph C LaManna, Michelle A Puchowicz
Over the past decade we have consistently shown that ketosis is neuroprotective against ischemic insults in rats. We reported that diet-induced ketotic rats had a significant reduction in infarct volume when subjected to middle cerebral artery occlusion (MCAO), and improved survival and recovery after cardiac arrest and resuscitation. The neuroprotective mechanisms of ketosis (via ketogenic diet; KG) include (i) ketones are alternate energy substrates that can restore energy balance when glucose metabolism is deficient and (ii) ketones modulate cell-signalling pathways that are cytoprotective...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28672997/anticonvulsant-effect-of-exogenous-%C3%AE-hydroxybutyrate-on-kainic-acid-induced-epilepsy
#10
Jianping Si, Shaohui Wang, Ning Liu, Xiaofei Yang, Ying Wang, Ling Li, Jiwen Wang, Xin Lv
The present study aimed to investigate the anticonvulsant effects of β-hydroxybutyrate (BHB) in a kainic acid (KA)-induced rat seizure model. The concentrations of BHB and glucose were detected in the blood prior to exogenous BHB administration. Three different doses of BHB (2, 4 and 8 mmol/kg) were then injected into male Wistar rats intraperitoneally, and the concentrations of BHB and glucose in the blood were detected. Rats received 0.9% normal saline intraperitoneally at a dose of 4 ml/kg as a control...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28608588/experimental-and-computational-characterization-on-the-binding-of-two-fluoroquinolones-to-bovine-hemoglobin
#11
Pengfei Qin, Xingren Pan, Rutao Liu, Jicai Qiu, Xiaoyan Fang
Ciprofloxacin (CPFX) and enrofloxacin (ENFX) are 2 representatives of widely used fluoroquinolones (FQs) with many human and veterinary applications. The residues of FQs in the environment are potentially harmful. Recently, great concern has been paid to their persistence and fate in the environment because of the potential adverse effects on humans and ecosystem functions. In the present study, we examined the interactions of bovine hemoglobin (BHb) with these 2 FQs by means of multiple spectroscopic and molecular docking methods under physiological conditions...
June 13, 2017: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/28604271/the-study-on-interactions-between-levofloxacin-and-model-proteins-by-using-multi-spectroscopic-and-molecular-docking-methods
#12
Qing Fang, Chenhui Guo, Yirun Wang, Ying Liu
The interactions of levofloxacin (LEV) with lysozyme (LYZ), trypsin and bovine hemoglobin (BHb) were investigated, respectively by using multi-spectral techniques and molecular docking in vitro. Fluorescence studies showed that LEV quenched LYZ/trypsin fluorescence in a combined quenching ways and BHb fluorescence in a static quenching with binding constants of 0.14, 0.51 and 0.20 × 10(5) L⋅mol(-1) at 298 K, respectively. The thermodynamic parameters demonstrated that hydrophobic forces, hydrogen bonds and van der Waals forces played the major role in the binding process...
June 11, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28597971/diagnosis-of-congenital-hyperinsulinism-biochemical-profiles-during-hypoglycemia
#13
Azumi Sakakibara, Yukiko Hashimoto, Rie Kawakita, Yuki Hosokawa, Keiko Nagahara, Yukihiro Hasegawa, Shin Hoshino, Hironori Nagasaka, Tohru Yorifuji
OBJECTIVES: To define the ranges of biochemical markers during hypoglycemia for the diagnosis of congenital hyperinsulinism (CHI), using high sensitivity insulin assays. SUBJECTS: A total of 298 patients with CHI and 58 control patients with non-hyperinsulinemic hypoglycemia, who were diagnosed after 2007. METHODS: The levels of biochemical markers (glucose, insulin, β-hydroxybutyrate [BHB], free fatty acids [FFA], lactate, ammonia) at the time of hypoglycemia were analyzed along with the maximal glucose infusion rate (GIR) to maintain euglycemia and clinical outcomes...
June 9, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28583851/%C3%AE-hydroxybutyrate-alleviates-depressive-behaviors-in-mice-possibly-by-increasing-the-histone3-lysine9-%C3%AE-hydroxybutyrylation
#14
Li Chen, Zhigang Miao, Xingshun Xu
Epigenetics regulation has been considered a mechanistic interface between environmental stress stimuli and altered functioning of underlying gene network. Metabolite changes in vivo after stress contribute to histone modification. Histone3-lysine9-β-hydroxybutyrylation (H3k9bhb), a novel histone modification mark induced by β-hydroxybutyrate, may participate in the development of depression. To examine the role of H3k9bhb in depression, experiments were performed on mice and cells. H3k9bhb were reduced in the brain of depressive mice...
August 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28571993/genetic-parameters-of-blood-%C3%AE-hydroxybutyrate-predicted-from-milk-infrared-spectra-and-clinical-ketosis-and-their-associations-with-milk-production-traits-in-norwegian-red-cows
#15
T K Belay, M Svendsen, Z M Kowalski, T Ådnøy
The aim of this study was to estimate genetic parameters for blood β-hydroxybutyrate (BHB) predicted from milk spectra and for clinical ketosis (KET), and to examine genetic association of blood BHB with KET and milk production traits (milk, fat, protein, and lactose yields, and milk fat, protein, and lactose contents). Data on milk traits, KET, and milk spectra were obtained from the Norwegian Dairy Herd Recording System with legal permission from TINE SA (Ås, Norway), the Norwegian Dairy Association that manages the central database...
May 29, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28571989/an-attempt-at-predicting-blood-%C3%AE-hydroxybutyrate-from-fourier-transform-mid-infrared-spectra-of-milk-using-multivariate-mixed-models-in-polish-dairy-cattle
#16
T K Belay, B S Dagnachew, Z M Kowalski, T Ådnøy
Fourier transform mid-infrared (FT-MIR) spectra of milk are commonly used for phenotyping of traits of interest through links developed between the traits and milk FT-MIR spectra. Predicted traits are then used in genetic analysis for ultimate phenotypic prediction using a single-trait mixed model that account for cows' circumstances at a given test day. Here, this approach is referred to as indirect prediction (IP). Alternatively, FT-MIR spectral variable can be kept multivariate in the form of factor scores in REML and BLUP analyses...
May 29, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28551194/effects-of-shortening-the-close-up-period-length-coupled-with-increased-supply-of-metabolizable-protein-on-performance-and-metabolic-status-of-multiparous-holstein-cows
#17
T Amirabadi Farahani, H Amanlou, M Kazemi-Bonchenari
This experiment was conducted to compare conventional (CON; 21 d) and shortened (SH; 10 d) close-up period, and evaluate the effect of shortened close-up period combined with feeding different metabolizable protein (MP) levels on dry matter (DM) intake, metabolic status, and performance of dairy cows. Forty-eight multiparous Holstein cows with similar parity, body weight (BW), and previous lactation milk yield were divided into 2 groups. The first group (n = 24) received the far-off diet from -60 to -21 d (CON), and the second group (n = 24) received same far-off diet from -60 to -10 d (SH) relative to expected parturition...
May 24, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28551184/the-effect-of-different-treatments-for-early-lactation-hyperketonemia-on-blood-%C3%AE-hydroxybutyrate-plasma-nonesterified-fatty-acids-glucose-insulin-and-glucagon-in-dairy-cattle
#18
S Mann, F A Leal Yepes, E Behling-Kelly, J A A McArt
Despite increased efforts in preventing the occurrence of metabolic disorders in transition cows, hyperketonemia remains a frequent early-lactation metabolic disease affecting an average of 40% of cows in herds in the United States. Despite the demonstrated economic effect of this disorder, controlled clinical trials comparing different treatment strategies in affected cows are lacking. The objective of our study was to investigate the effect of treatment with intravenous glucose, oral propylene glycol, or a combination of both on the reduction in blood β-hydroxybutyrate (BHB) concentrations of early-lactation hyperketonemic dairy cows...
May 24, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28508489/prediction-of-whole-genome-risk-for-selection-and-management-of-hyperketonemia-in-holstein-dairy-cattle
#19
K A Weigel, R S Pralle, H Adams, K Cho, C Do, H M White
Hyperketonemia (HYK), a common early postpartum health disorder characterized by elevated blood concentrations of β-hydroxybutyrate (BHB), affects millions of dairy cows worldwide and leads to significant economic losses and animal welfare concerns. In this study, blood concentrations of BHB were assessed for 1,453 Holstein cows using electronic handheld meters at four time points between 5 and 18 days postpartum. Incidence rates of subclinical (1.2 ≤ maximum BHB ≤ 2.9 mmol/L) and clinical ketosis (maximum BHB ≥ 3...
June 2017: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/28504317/adrenal-cortex-reactivity-in-dairy-cows-differs-between-lactational-stages-and-between-different-feeding-levels
#20
J J Gross, R S Zbinden, F Dohme-Meier, R M Bruckmaier
Changes in ACTH challenge test characteristics in dairy cows changing their physiological status at different lactational stages and different feeding levels were not investigated in terms of repeatability yet. In 23 multiparous Holstein cows (10 cows fed a sole fresh herbage diet without concentrate, 13 cows fed with concentrate), three ACTH challenge tests were performed: once during pregnancy shortly prior to drying off (T1), and in week 3 (T2) and 8 (T3) after parturition. Test characteristics were correlated to performance and metabolic parameters: DMI, BW, energy balance (EB), plasma concentrations of free fatty acids (NEFA) and beta-hydroxybutyrate (BHB)...
May 15, 2017: Journal of Animal Physiology and Animal Nutrition
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