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https://www.readbyqxmd.com/read/28822544/performance-strategies-affect-mammary-gland-development-in-prepubertal-heifers
#1
R L Albino, A L Sguizzato, K M Daniels, M S Duarte, M M Lopes, S E F Guimarães, M M D C A Weller, M I Marcondes
In Brazil, the majority of dairy cattle are Holstein × Gyr (H×G). It is unknown whether excessive energy intake negatively affects their mammary development to the same extent as in purebred Holsteins. We hypothesized that mammary development of H×G heifers can be affected by dietary energy supply. We evaluated the effect of different average daily gains (ADG) achieved by feeding different amounts of a standard diet during the growing period on biometric measurements, development of mammary parenchyma (PAR) and mammary fat pad (MFP), and blood hormones...
August 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28821924/-89-zr-labeled-nivolumab-for-imaging-of-t-cell-infiltration-in-a-humanized-murine-model-of-lung-cancer
#2
Christopher G England, Dawei Jiang, Emily B Ehlerding, Brian T Rekoske, Paul A Ellison, Reinier Hernandez, Todd E Barnhart, Douglas G McNeel, Peng Huang, Weibo Cai
PURPOSE: Nivolumab is a human monoclonal antibody specific for programmed cell death-1 (PD-1), a negative regulator of T-cell activation and response. Acting as an immune checkpoint inhibitor, nivolumab binds to PD-1 expressed on the surface of many immune cells and prevents ligation by its natural ligands. Nivolumab is only effective in a subset of patients, and there is limited evidence supporting its use for diagnostic, monitoring, or stratification purposes. METHODS: (89)Zr-Df-nivolumab was synthesized to map the biodistribution of PD-1-expressing tumor infiltrating T-cells in vivo using a humanized murine model of lung cancer...
August 19, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28821125/a-chitin-film-containing-basic-fibroblast-growth-factor-with-a-chitin-binding-domain-as-wound-dressings
#3
Yu Wang, Chuan Fu, Zhenxu Wu, Li Chen, Xuesi Chen, Yen Wei, Peibiao Zhang
Basic fibroblast growth factor (bFGF) can stimulate wound healing. However, consistent delivery of bFGF has many disadvantages. To decrease their instability and diffusible, we introduced chitin-binding domain (ChtBD) into bFGF. Two expression plasimids were constructed. The first one (named bFGF) contained bFGF (154 amino acids), the second (named ChtBD-bFGF) contained bFGF and the ChtBD (54 amino acids). ChtBD was derived from chitinase A1 (ChiA1) of Bacillus circulans WL-12. The recombinant protein ChtBD-bFGF had the same biological activity as bFGF in promoting fibroblast proliferation...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28817841/-practical-use-of-continuous-apomorphine-infusion-via-pump
#4
Lars Tönges, Andrés Ceballos-Baumann, Holger Honig, Alexander Storch, Wolfgang H Jost
Parkinson's disease is the second most common neurodegenerative illness after Alzheimer's disease. In its advanced stages, it is characterized by various special symptoms. In addition to non-motor signs, motor complications are most prominent and most often can only be inadequately improved with pulsatile oral therapies. However, with the aid of continuous dopaminergic stimulation, improvements can be achieved even in advanced stages of the disease. This will not only alleviate motor and non-motor symptoms, but will also lead to a better quality of life...
August 17, 2017: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/28815341/de-novo-weekly-and-biweekly-darbepoetin-alfa-dosing-in-pediatric-patients-with-chronic-kidney-disease
#5
Bradley A Warady, John Barcia, Nadine Benador, Augustina Jankauskiene, Kurt Olson, Ludmila Podracka, Aleksey Shavkin, Poyyapakkam Srivaths, Cynthia J Wong, Jeffrey Petersen
BACKGROUND: Darbepoetin alfa is a commonly prescribed erythropoiesis-stimulating agent (ESA) for correcting anemia in pediatric chronic kidney disease (CKD) patients. However, little information exists on its use in ESA-naïve patients. This study evaluated the efficacy and safety of darbepoetin alfa in pediatric patients initiating ESA therapy. METHODS: One-hundred sixteen pediatric ESA-naïve subjects (aged 1-18 years) with CKD stages 3-5D and hemoglobin (Hb) <10 g/dl from 43 centers in the US, Europe, and Mexico were randomized by age (three groups) and dialysis status (yes vs...
August 17, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28813367/electron-transfer-processes-occurring-on-platinum-neural-stimulating-electrodes-pulsing-experiments-for-cathodic-first-charge-balanced-biphasic-pulses-for-0-566%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-k%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-2-3-in-rat-subcutaneous-tissues
#6
Doe W Kumsa, Narendra Bhadra, Eric M Hudak, J Thomas Mortimer
OBJECTIVE: Our mission is twofold: (1) find a way to safely inject more charge through platinum electrodes than the Shannon limit (k  =  1.75) permits and (2) nurture an interest in the neural stimulation community to understand the electron transfer process occurring on neural stimulating electrodes. APPROACH: We report here on measurements of the electrode potential, performed on platinum neural stimulating electrodes in the subcutaneous space of an anesthetized rat under neural stimulation conditions...
August 16, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28811978/development-and-characterization-of-naive-single-type-tumor-antigen-specific-cd8-t-lymphocytes-from-murine-pluripotent-stem-cells
#7
Fengyang Lei, Mohammad Haque, Praneet Sandhu, Swetha Ravi, Jianyong Song, Bing Ni, Songguo Zheng, Deyu Fang, Hongyan Jia, Jin-Ming Yang, Jianxun Song
Optimal approaches to differentiate tumor antigen-specific cytotoxic T lymphocytes (CTLs) from pluripotent stem cells (PSCs) remain elusive. In the current study, we showed that combination of in vitro priming through Notch ligands and in vivo development facilitated the generation of tumor Ag-specific CTLs that effectively inhibited tumor growth. We co-cultured the murine induced PSCs (iPSCs) genetically modified with tyrosinase-related protein 2 (TRP2)-specific T cell receptors with OP9 cell line expressing both Notch ligands Delta-like 1 and 4 (OP9-DL1/DL4) for a week before adoptively transferred into recipient C67BL/6 mice...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28805563/infusional-therapies-continuous-dopaminergic-stimulation-and-nonmotor-symptoms
#8
Ulrika Mundt-Petersen, Per Odin
Pump-based Parkinson (PD) therapies, including subcutaneous apomorphine infusion (CSA) and levodopa-carbidopa intestinal gel (LCIG), presently constitute the most effective pharmacological treatments available for advanced PD. These therapies are based on a more constant delivery of the dopaminergic drug resulting in a more continuous dopaminergic stimulation and a more stable treatment effect. This can be detected as reduction of time in off, reduction of dyskinesia frequency and severity, as well as increase of time in on without troublesome dyskinesias...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28804607/effects-of-buprenorphine-in-the-adrenal-thyroid-and-cytokine-intra-operative-responses-in-a-rat-model-rattus-norvegicus-a-preliminary-study
#9
Nuno M Félix, Rodolfo O Leal, I Goy-Thollot, Ronald S Walton, Solange A Gil, Luísa M Mateus, Ana S Matos, Maria M R E Niza
OBJECTIVES: Buprenorphine is a common analgesic in experimental research, due to effectiveness and having few side-effects, including a limited influence in the immune and endocrine systems. However, how buprenorphine affects cytokine levels and the adrenal and thyroid response during general anesthesia and surgery is incompletely understood. This study aimed to assess whether buprenorphine modulated significantly those responses in rats submitted to general anesthesia, mechanical ventilation, and surgical insertion of intravascular catheters...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28801026/quadruple-immunotherapy-of-bacillus-calmette-gu%C3%A3-rin-interferon-interleukin-2-and-granulocyte-macrophage-colony-stimulating-factor-as-salvage-therapy-for-non-muscle-invasive-bladder-cancer
#10
Ryan L Steinberg, Kenneth G Nepple, Kyla N Velaer, Lewis J Thomas, Michael A O'Donnell
BACKGROUND: Bacillus Calmette-Guérin (BCG) is the most effective initial intravesical therapy for high-grade non-muscle invasive bladder cancer, but many patients still fail. Combination intravesical BCG and interferon (IFN) will salvage some patients but results remain suboptimal. OBJECTIVE: We hypothesized that further immunostimulation with intravesical interleukin-2 and subcutaneous granulocyte-macrophage colony-stimulating factor may improve response to intravesical BCG and IFN in patient with prior BCG failure(s)...
August 8, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28791509/feasibility-of-dose-dense-epirubicin-and-cyclophosphamide-with-subcutaneous-pegfilgrastim-3-6%C3%A2-mg-support-a-single-center-prospective-study-in-japan
#11
Sachi Morita, Toyone Kikumori, Nobuyuki Tsunoda, Takahiro Inaishi, Yayoi Adachi, Akiko Ota, Masahiro Shibata, Ayumu Matsuoka, Kenichi Nakanishi, Dai Takeuchi, Takefumi Mizutani, Tomoya Shimokata, Hironori Hayashi, Osamu Maeda, Yuichi Ando
BACKGROUND: Dose-dense chemotherapy consisting of a combination of epirubicin and cyclophosphamide (EC) improves the survival of patients with breast cancer. Although pegfilgrastim was used at a subcutaneous dose of 6.0 mg in a pivotal study of dose-dense EC treatment, pegfilgrastim at a dose of 3.6 mg has been approved in Japan. We have assessed the feasibility of dose-dense EC treatment supported with a 3.6 mg dose of pegfilgrastim by evaluating the relative dose intensity (RDI) and safety of the treatment, together with measuring the pegfilgrastim concentrations remaining on the day of starting the next cycle of chemotherapy...
August 8, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28789975/peripheral-neuropeptide-y-differentially-influences-adipogenesis-and-lipolysis-in-chicks-from-lines-selected-for-low-or-high-body-weight
#12
Lingbin Liu, Guoqing Wang, Yang Xiao, Steven L Shipp, Paul B Siegel, Mark A Cline, Elizabeth R Gilbert
Neuropeptide Y (NPY) stimulates appetite and promotes lipid deposition. We demonstrated a differential sensitivity in the food intake response to central NPY in chicks from lines selected for low (LWS) or high (HWS) body weight, but have not reported whether such differences exist in the periphery. At 5days, LWS and HWS chicks were intraperitoneally injected with 0 (vehicle), 60, or 120μg/kg BW NPY and subcutaneous adipose tissue and plasma were collected at 1, 3, 6, 12, and 24h (n=12). NPY injection increased glycerol-3-phosphate dehydrogenase (G3PDH) activity at 1 and 3h and reduced plasma NEFAs at 1 and 12h...
August 5, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28783171/the-pdgfr%C3%AE-laminin-b1-keratin-19-cascade-drives-tumor-progression-at-the-invasive-front-of-human-hepatocellular-carcinoma
#13
O Govaere, M Petz, J Wouters, Y-P Vandewynckel, E J Scott, B Topal, F Nevens, C Verslype, Q M Anstee, H Van Vlierberghe, W Mikulits, T Roskams
Human hepatocellular carcinomas (HCCs) expressing the biliary/hepatic progenitor cell marker keratin 19 (K19) have been linked with a poor prognosis and exhibit an increase in platelet-derived growth factor receptor α (PDGFRα) and laminin beta 1 (LAMB1) expression. PDGFRα has been reported to induce de novo synthesis of LAMB1 protein in a Sjogren syndrome antigen B (La/SSB)-dependent manner in a murine metastasis model. However, the role of this cascade in human HCC remains unclear. This study focused on the functional role of the PDGFRα-La/SSB-LAMB1 pathway and its molecular link to K19 expression in human HCC...
August 7, 2017: Oncogene
https://www.readbyqxmd.com/read/28772035/bioelectrical-signals-improve-cardiac-function-and-modify-gene-expression-of-extracellular-matrix-components
#14
Karin Macfelda, Barbara Kapeller, Alexander Holly, Bruno K Podesser, Udo Losert, Kersten Brandes, Peter Goettel, Johannes Mueller
AIMS: Beyond the influence of stimulating devices on cardiac excitation, their use in treating patients with heart failure has positive effects on the myocardium at the molecular level. Electrical signals can induce a wide spectrum of effects in living tissue. Therefore, we sought to determine whether applying electrical microcurrent directly to failing hearts leads to functional improvement. METHODS AND RESULTS: Sixteen male spontaneously hypertensive rats (SHRs) with heart failure underwent application of a patch electrode to the left ventricular epicardium and placement of a subcutaneous counter electrode...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28770217/dairy-cows-naturally-infected-with-bovine-leukemia-virus-exhibit-abnormal-b-and-t-cell-phenotypes-after-primary-and-secondary-exposures-to-keyhole-limpet-hemocyanin
#15
Meredith C Frie, Kelly R B Sporer, Oscar J Benitez, Joseph C Wallace, Casey J Droscha, Paul C Bartlett, Paul M Coussens
Bovine leukemia virus (BLV) is a retrovirus that is highly prevalent in US dairy herds: over 83% are BLV infected and the within-herd infection rate can be almost 50% on average. While BLV is known to cause lymphosarcomas, only 5% or fewer infected cattle will develop lymphoma; this low prevalence of cancer has historically not been a concern to dairy producers. However, more recent research has found that BLV(+) cows without lymphoma produce less milk and have shorter lifespans than uninfected herdmates. It has been hypothesized that BLV infection interferes with normal immune function in infected cattle, and this could lead to reduced dairy production...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28769120/interferon-gamma-released-from-omental-adipose-tissue-of-insulin-resistant-humans-alters-adipocyte-phenotype-and-impairs-response-to-insulin-and-adiponectin-release
#16
J M Wentworth, J-G Zhang, E Bandala-Sanchez, G Naselli, C Liu, M Ritchie, G K Smyth, P E O'Brien, L C Harrison
BACKGROUND: Inflammatory factors derived from adipose tissue have been implicated in mediating insulin resistance in obesity. We sought to identify these using explanted human adipose tissue exposed to innate and adaptive immune stimuli. METHOD: Subcutaneous and omental adipose tissue from obese, insulin-resistant donors was cultured in the presence of macrophage and T-cell stimuli and the conditioned medium tested for its ability to inhibit insulin-stimulated glucose uptake into human Simpson-Golabi-Behmel Syndrome (SGBS) adipocytes...
August 3, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28768659/elucidating-the-role-of-leptin-in-systemic-inflammation-a-study-targeting-physiological-leptin-levels-in-rats-and-their-macrophages
#17
Elizabeth A Flatow, Evilin N Komegae, Monique T Fonseca, Camila F Brito, Florin M Musteata, Jose Antunes-Rodrigues, Alexandre A Steiner
To elucidate the role of leptin in acute systemic inflammation, we investigated how its infusion at low, physiologically relevant doses affects the responses to bacterial lipopolysaccharide (LPS) in rats subjected to 24 h of food deprivation. Leptin was infused subcutaneously (0-20 μg/kg/h) or intracerebroventricularly (0-1 μg/kg/h). Using hypothermia and hypotension as biomarkers of systemic inflammation, we identified the phase extending from 90 to 240 min post-LPS as the most susceptible to modulation by leptin...
August 2, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28766493/evaluation-of-the-safety-and-immunogenicity-of-subcutaneous-hx575-epoetin-alfa-in-the-treatment-of-anemia-associated-with-chronic-kidney-disease-in-predialysis-and-dialysis-patients%C3%A2
#18
Nicole Casadevall, Vladimir Dobronravov, Kai-Uwe Eckardt, Sehsuvar Ertürk, Liliya Martynyuk, Susanne Schmitt, Gregor Schaffar, Anita Rudy, Andriy Krendyukov, Marité Ode
AIM: To assess the safety and immunogenicity of subcutaneous (SC) HX575 (epoetin-α) in dialysis- and nondialysis-dependent adult patients with chronic kidney disease (CKD). METHODS: Open-label, single-arm, multicenter study in patients (n = 416) from Germany, Italy, Poland, Romania, Russia, Turkey, and Ukraine. RESULTS: Mean (standard deviation (SD)) age was 52.3 (15.8) years, all patients were Caucasian, and similar proportions were male/female...
August 2, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28764929/inhibition-of-aurora-kinase-a-induces-necroptosis-in-pancreatic-carcinoma
#19
Yangchun Xie, Shan Zhu, Meizuo Zhong, Minghua Yang, Xiaofan Sun, Jinbao Liu, Guido Kroemer, Michael Lotze, Herbert J Zeh, Rui Kang, Daolin Tang
BACKGROUND & AIMS: Induction of non-apoptotic cell death could be an approach to eliminate apoptosis-resistant tumors. We investigated necroptosis-based therapies in mouse models of pancreatic ductal adenocarcinoma cancer (PDAC). METHODS: We screened 273 commercially available kinase inhibitors for cytotoxicity against a human PDAC cell line (PANC1). We evaluated the ability of the aurora kinase inhibitor CCT137690 to stimulate necroptosis in PDAC cell lines (PANC1, PANC2...
July 29, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28754268/cannabinoid-system-of-dorsomedial-telencephalon-modulates-behavioral-responses-to-noxious-stimulation-in-the-fish-leporinus-macrocephalus
#20
Carla Patricia Bejo Wolkers, Leda Menescal-de-Oliveira, Anette Hoffmann
Fish dorsomedial telencephalon has been considered a pallial region homologous to mammals amygdala, being considered a possible substrate for nociception modulation in this animal group. The present study aimed to evaluate the participation of the cannabinoid system of Dm telencephalon on nociception modulation in the fish Leporinus macrocephalus. We demonstrated that cannabidiol microinjection in Dm telecephalon inhibits the behavioral nociceptive response to the subcutaneous injection of 3% formaldehyde, and this antinociception is blocked by previous treatment with AM251 microinjection...
July 25, 2017: Physiology & Behavior
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