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Haptoglobin

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https://www.readbyqxmd.com/read/29344353/effects-of-tnf-receptor-blockade-on-in-vitro-cell-survival-and-response-to-negative-energy-balance-in-dairy-cattle
#1
C A Martel, L K Mamedova, J E Minton, M Garcia, C Legallet, B J Bradford
Background: Associative data and some controlled studies suggest that the inflammatory cytokine tumor necrosis factor (TNF) α can induce fatty liver in dairy cattle. However, research demonstrating that TNFα is a necessary component in the etiology of bovine fatty liver is lacking. The aim of this work was to evaluate whether blocking TNFα signaling with a synthetic cyclic peptide (TNF receptor loop peptide; TRLP) would improve liver metabolic function and reduce triglyceride accumulation during feed restriction...
2018: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29338727/mendelian-randomization-analysis-to-assess-a-causal-effect-of-haptoglobin-on-macroangiopathy-in-chinese-type-2-diabetes-patients
#2
Shiyun Wang, Jie Wang, Rong Zhang, Tao Wang, Dandan Yan, Zhen He, Feng Jiang, Cheng Hu, Weiping Jia
BACKGROUND: Haptoglobin (Hp) functions as an antioxidant by binding with haemoglobin. We investigated whether serum Hp has a causal effect on macroangiopathy via Mendelian randomization (MR) analysis with common variants of the Hp gene in Chinese patients with type 2 diabetes. METHODS: A total of 5687 type 2 diabetes patients were recruited and genotyped for the Hp gene. Clinical features and vascular imaging tests were applied to diagnose macroangiopathy. The association between common Hp genotypes and macroangiopathy was analyzed in the whole population...
January 16, 2018: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29337166/cd163-knockout-pigs-are-fully-resistant-to-highly-pathogenic-porcine-reproductive-and-respiratory-syndrome-virus
#3
Huaqiang Yang, Jian Zhang, Xianwei Zhang, Junsong Shi, Yongfei Pan, Rong Zhou, Guoling Li, Zicong Li, Gengyuan Cai, Zhenfang Wu
Porcine reproductive and respiratory syndrome virus (PRRSV) causes severe economic losses to current swine production worldwide. Highly pathogenic PRRSV (HP-PRRSV), originated from a genotype 2 PRRSV, is more virulent than classical PRRSV and further exacerbates the economic impact. HP-PRRSV has become the predominant circulating field strain in China since 2006. CD163 is a cellular receptor for PRRSV. The depletion of CD163 whole protein or SRCR5 region (interaction site for the virus) confers resistance to infection of several PRRSV isolates in pigs or cultured host cells...
January 11, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29332824/dithiothreitol-based-protein-equalization-technology-to-unravel-biomarkers-for-bladder-cancer
#4
J E Araújo, H López-Fernández, M S Diniz, Pedro M Baltazar, Luís Campos Pinheiro, Fernando Calais da Silva, Mylène Carrascal, Paula Videira, H M Santos, J L Capelo
This study aimed to assess the benefits of dithiothreitol (DTT)-based sample treatment for protein equalization to assess potential biomarkers for bladder cancer. The proteome of plasma samples of patients with bladder carcinoma, patients with lower urinary tract symptoms (LUTS) and healthy volunteers, was equalized with dithiothreitol (DTT) and compared. The equalized proteomes were interrogated using two-dimensional gel electrophoresis and matrix assisted laser desorption ionization time of flight mass spectrometry...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29330058/haptoglobin-and-serum-amyloid-a-as-putative-biomarker-candidates-of-naturally-occurring-bovine-respiratory-disease-in-dairy-calves
#5
Vivek Joshi, V K Gupta, A G Bhanuprakash, R S K Mandal, U Dimri, Y Ajith
Bovine respiratory disease (BRD) is one of the leading causes of morbidity and mortality in dairy calves. Identification of reliable biomarkers of naturally occurring BRD is essential for ensuring early diagnosis and treatment of calves and monitoring treatment efficacy. This need is punctuated, especially in mild to moderate cases that would greatly help to decrease recurrence and the overall prevalence of BRD. The present study was conducted to investigate the changes in serum concentrations of haptoglobin (Hpt) and serum amyloid A (SAA) and association between oxidative stress and acute phase proteins (APPs) in BRD...
January 9, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29325993/serum-haptoglobin-in-chinese-patients-with-alzheimer-s-disease-and-mild-cognitive-impairment-a-case-control-study
#6
Cen-Jing Zhu, Guo-Xin Jiang, Jin-Mei Chen, Zhi-Ming Zhou, Qi Cheng
BACKGROUND: Serum level of Haptoglobin (Hp) maybe associated with Alzheimer's disease (AD) and mild cognitive impairment (MCI). OBJECTIVE: To investigate associations between serum Hp and AD, as well as between Hp and MCI. METHODS: Serum levels of Hp were measured and analyzed for 51 patients with AD, 139 patients with MCI and their healthy controls matched with sex and age. All study subjects were from a survey among residents aged 60 years and over in a community located in the southwest suburb of Shanghai...
January 8, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29324864/safety-of-single-low-dose-primaquine-in-glucose-6-phosphate-dehydrogenase-deficient-falciparum-infected-african-males-two-open-label-randomized-safety-trials
#7
Guido J H Bastiaens, Alfred B Tiono, Joseph Okebe, Helmi E Pett, Sam A Coulibaly, Bronner P Gonçalves, Muna Affara, Alphonse Ouédraogo, Edith C Bougouma, Guillaume S Sanou, Issa Nébié, John Bradley, Kjerstin H W Lanke, Mikko Niemi, Sodiomon B Sirima, Umberto d'Alessandro, Teun Bousema, Chris Drakeley
BACKGROUND: Primaquine (PQ) actively clears mature Plasmodium falciparum gametocytes but in glucose-6-phosphate dehydrogenase deficient (G6PDd) individuals can cause hemolysis. We assessed the safety of low-dose PQ in combination with artemether-lumefantrine (AL) or dihydroartemisinin-piperaquine (DP) in G6PDd African males with asymptomatic P. falciparum malaria. METHODS AND FINDINGS: In Burkina Faso, G6PDd adult males were randomized to treatment with AL alone (n = 10) or with PQ at 0...
2018: PloS One
https://www.readbyqxmd.com/read/29322512/serum-inflammatory-markers-in-relation-to-prostate-cancer-severity-and-death-in-the-swedish-amoris-study
#8
R Arthur, R Williams, H Garmo, L Holmberg, P Stattin, H Malmstrom, M Lambe, N Hammar, G Walldius, D Robinsson, I Jungner, M Van Hemelrijck
Inflammation is a well-documented driver of cancer development and progression. However, little is known about its role in prostate carcinogenesis. Thus, we examined the association of C-reactive protein (CRP), haptoglobin, albumin and white blood cells (WBC) with prostate cancer (PCa) severity (defined by PCa risk category and clinicopathological characteristics) and progression (defined by PCa death). We selected 8471 Swedish men with newly diagnosed PCa who had exposure measurements taken approximately 14 years prior to diagnosis...
January 11, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29321801/the-role-of-immune-abnormality-in-depression-and-cardiovascular-disease
#9
REVIEW
Ru-Hui Liu, Jiang-Qi Pan, Xian-E Tang, Bing Li, Shang-Feng Liu, Wen-Lin Ma
Depression and cardiovascular disease (CVD) are both highly prevalent disorders, and some evidence shows that there is a 'vicious cycle' linking major depression and CVD. There is also growing evidence that immune abnormalities underpin the common pathophysiology of both CVD and major depression. The abnormalities include the following: abnormal levels of inflammatory markers, such as interleukin-6 (IL-6), interleukin-1β (IL-1β), tumor necrosis factor α (TNF-α) and interleukin-12 (IL-12); increased acute phase proteins, such as C-reactive protein, fibrinogen and haptoglobin; and abnormal complement factors...
November 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/29311283/the-corynebacterium-diphtheriae-iron-regulated-surface-protein-hbpa-is-involved-in-the-utilization-of-the-hemoglobin-haptoglobin-complex-as-an-iron-source
#10
Lindsey R Lyman, Eric D Peng, Michael P Schmitt
Corynebacterium diphtheriae utilizes various heme-containing proteins, including hemoglobin (Hb) and the hemoglobin-haptoglobin complex (Hb-Hp), as iron sources during growth in iron-depleted environments. The ability to utilize Hb-Hp as an iron source requires the surface anchored proteins HtaA and either ChtA or ChtC. The ability to bind hemin, Hb and Hb-Hp by each of these C. diphtheriae proteins requires the previously characterized Conserved Region (CR) domain. In this study, we identified an Hb-Hp binding protein, HbpA (38...
January 8, 2018: Journal of Bacteriology
https://www.readbyqxmd.com/read/29310225/sensitive-and-fast-characterization-of-site-specific-protein-glycosylation-with-capillary-electrophoresis-coupled-to-mass-spectrometry
#11
Yanyan Qu, Liangliang Sun, Guijie Zhu, Zhenbin Zhang, Elizabeth H Peuchen, Norman J Dovichi
Glycoproteomic analysis requires efficient separation and sensitive detection to enable the comprehensive characterization of glycan heterogeneity. Here, we report the use of capillary zone electrophoresis-electrospray ionization-mass spectrometry (CZE-ESI-MS) with an electrokinetically-pumped nanospray interface for the study of protein glycosylation microheterogeneity. A fast separation was developed that resolved intact glycopeptides generated from standard proteins within ~9min. Differentially terminal-galactosylated and sialylated species with the same glycosylation sites were well resolved...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29304439/cryptosporidium-outbreak-in-calves-on-a-large-dairy-farm-effect-of-treatment-and-the-association-with-the-inflammatory-response-and-short-term-weight-gain
#12
Tarmo Niine, Elisabeth Dorbek-Kolin, Brian Lassen, Toomas Orro
Cryptosporidium spp. infections in neonatal dairy calves can cause diarrhoea and, in rare cases, death. The infection is usually self-limiting, but halofuginone lactate (HL) can be used prophylactically. Calves (n=144) in the study were born during a 2-month period on one farm. A total of 901 serum and 767 faecal samples were collected. Based on HL treatment, the calves were divided into 3 groups: I) not treated, II) treated incorrectly (treatment started >48h after birth, or lasted <7days), and III) treated correctly (started <48h after birth, and lasted ≥7days)...
December 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29301248/differences-in-the-plasma-proteome-of-patients-with-hypothyroidism-before-and-after-thyroid-hormone-replacement-a-proteomic-analysis
#13
Assim A Alfadda, Hicham Benabdelkamel, Afshan Masood, Anwar A Jammah, Aishah A Ekhzaimy
Thyroid hormone is a potent stimulator of metabolism, playing a critical role in regulating energy expenditure and in key physiological mechanisms, such as growth and development. Although administration of thyroid hormone in the form of levo thyroxine (l-thyroxine) has been used to treat hypothyroidism for many years, the precise molecular basis of its physiological actions remains uncertain. Our objective was to define the changes in circulating protein levels that characterize alterations in thyroid hormone status...
January 1, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29298491/is-mri-detection-of-kidney-iron-deposition-increased-in-haptoglobin-2-2-genotype-carriers-with-type-1-diabetes
#14
Tina Costacou, Trevor J Orchard, Chan-Hong Moon, Kyongtae T Bae, Linda F Fried, Rhobert W Evans
Haptoglobin's (Hp) main role is to bind free hemoglobin (Hb), reducing its oxidative potential. The Hp-Hb complex formed is cleared from the circulation by macrophage receptor CD163. In diabetes, impaired Hp 2-2 - Hb CD163 clearance and abnormal glomerular permeability allow the large Hp 2-2 - Hb complex to cross the barrier, where its redox active iron leads to cellular toxicity. Although Hp 2-2 predicts renal function decline, whether renal iron deposition differs by Hp is unknown. We used renal quantitative T2* magnetic resonance imaging to estimate iron level in the cortex and medullar of type 1 diabetes adults (15 Hp 1-1 and 15 Hp 2-2 carriers of similar age (53 yrs), duration (45 yrs) and sex)...
January 3, 2018: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/29290429/clinical-and-metabolic-indicators-associated-with-early-mortality-at-a-milk-fed-veal-facility-a-prospective-case-control-study
#15
D L Renaud, T F Duffield, S J LeBlanc, D B Haley, D F Kelton
Antimicrobial use and resistance, in combination with high levels of mortality, are important challenges facing the veal industry. To improve both the economic sustainability of the industry and animal welfare, measures need to be taken to explore and address reasons for these challenges. Health status at arrival may be an important predictor of calf mortality because substantial mortality occurs early in the growing period on veal operations. The objective of this observational case-control study was to identify clinically measurable variables and metabolic indicators associated with mortality in the first 21 d following arrival at a veal facility...
December 28, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29287080/serum-apolipoprotein-a1-and-haptoglobin-in-patients-with-suspected-drug-induced-liver-injury-dili-as-biomarkers-of-recovery
#16
Valentina Peta, Chantal Tse, Hugo Perazzo, Mona Munteanu, Yen Ngo, An Ngo, Nittia Ramanujam, Lea Verglas, Maxime Mallet, Vlad Ratziu, Dominique Thabut, Marika Rudler, Vincent Thibault, Ina Schuppe-Koistinen, Dominique Bonnefont-Rousselot, Bernard Hainque, Françoise Imbert-Bismut, Michael Merz, Gerd Kullak-Ublick, Raul Andrade, Florian van Boemmel, Eckart Schott, Thierry Poynard
BACKGROUND: There is a clear need for better biomarkers of drug-induced-liver-injury (DILI). AIMS: We aimed to evaluate the possible prognostic value of ActiTest and FibroTest proteins apoliprotein-A1, haptoglobin and alpha-2-macroglobulin, in patients with DILI. METHODS: We analyzed cases and controls included in the IMI-SAFE-T-DILI European project, from which serum samples had been stored in a dedicated biobank. The analyses of ActiTest and FibroTest had been prospectively scheduled...
2017: PloS One
https://www.readbyqxmd.com/read/29285644/designation-of-fingerprint-glycopeptides-for-targeted-glycoproteomic-analysis-of-serum-haptoglobin-insights-into-gastric-cancer-biomarker-discovery
#17
Jua Lee, Serenus Hua, Sung Hyeon Lee, Myung Jin Oh, Jaekyung Yun, Jin Young Kim, Jae-Han Kim, Jung Hoe Kim, Hyun Joo An
Gastric cancer (GC) is one of the leading causes of cancer-related death worldwide, largely because of difficulties in early diagnosis. Despite accumulating evidence indicating that aberrant glycosylation is associated with GC, site-specific localization of the glycosylation to increase specificity and sensitivity for clinical use is still an analytical challenge. Here, we created an analytical platform with a targeted glycoproteomic approach for GC biomarker discovery. Unlike the conventional glycomic approach with untargeted mass spectrometric profiling of released glycan, our platform is characterized by three key features: it is a target-protein-specific, glycosylation-site-specific, and structure-specific platform with a one-shot enzyme reaction...
December 29, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29278306/haematoma-scavenging-in-intracerebral-haemorrhage-from-mechanisms-to-the-clinic
#18
REVIEW
Gaiqing Wang, Li Wang, Xin-Gang Sun, Jiping Tang
The products of erythrocyte lyses, haemoglobin (Hb) and haem, are recognized as neurotoxins and the main contributors to delayed cerebral oedema and tissue damage after intracerebral haemorrhage (ICH). Finding a means to efficiently promote absorption of the haemolytic products (Hb and haem) around the bleeding area in the brain through stimulating the function of the body's own garbage cleaning system is a novel clinical challenge and critical for functional recovery after ICH. In this review, available information of the brain injury mechanisms underlying ICH and endogenous haematoma scavenging system is provided...
December 26, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29277170/supplementing-a-yeast-derived-product-to-enhance-productive-and-health-responses-of-beef-steers
#19
L G T Silva, R F Cooke, K M Schubach, A P Brandão, R S Marques, T F Schumaher, P Moriel, D W Bohnert
This experiment evaluated the impacts of supplementing a yeast-derived product (Celmanax; Church & Dwight Co., Inc., Princeton, NJ, USA) on productive and health responses of beef steers, and was divided into a preconditioning (days 4 to 30) and feedlot receiving phase (days 31 to 69). In all, 84 Angus × Hereford steers were weaned on day 0 (BW=245±2 kg; age=186±2 days), and maintained in a single group from days 0 to 3. On day 4, steers were allocated according to weaning BW and age to a 21-pen drylot (4 steers/pen)...
December 26, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29277015/milk-fever-in-dairy-cows-is-preceded-by-activation-of-innate-immunity-and-alterations-in-carbohydrate-metabolism-prior-to-disease-occurrence
#20
Guanshi Zhang, Elda Dervishi, Burim N Ametaj
The objective of this study was to search for potential alterations in innate immunity reactants and carbohydrate and lipid metabolism in the blood of transition dairy cows before, during, and after clinical occurrence of milk fever (MF) and identify potential predictive biomarkers of disease. One hundred pregnant multiparous Holstein dairy cows were involved in the study starting from -8wks before the expected day of parturition until +8wks postpartum as part of a large retrospective longitudinal study. Health status, DMI, milk yield, and milk composition were monitored during the whole experimental period...
December 19, 2017: Research in Veterinary Science
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