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https://www.readbyqxmd.com/read/29776608/development-of-a-polyclonal-anti-dugong-immunoglobulin-g-igg-antibody-with-evaluation-of-total-plasma-igg-in-a-living-dugong-dugong-dugon-population
#1
Arthur Wong, Janet M Lanyon, Sara J McKee, Richard Linedale, Lucy Woolford, Trevor Long, Graham R Leggatt
Species-specific antibodies (Ab) for the measurement of immunoglobulins (Ig) are valuable tools for determining the humoral immune status of threatened and endangered wildlife species such as dugongs. However, no studies have reported antibody reagents against dugong immunoglobulin. The object of this study was to develop an Ab with specificity for dugong IgG and apply this tool to survey total IgG levels in plasma samples from a live wild population of dugongs in southern Queensland, Australia. Dugong IgG was isolated from plasma by protein A/G column chromatography and a polyclonal antiserum was successfully raised against the dugong IgG through immunization of mice...
June 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29775659/%C3%AE-2-receptors-in-the-lateral-parabrachial-nucleus-generates-the-pressor-response-of-the-cardiovascular-chemoreflex-effects-of-gaba-a-receptor
#2
Nafiseh Mirzaei Damabi, Gholam Reza Namvar, Fahimeh Yeganeh, Masoumeh Hatam
The lateral parabrachial nucleus (LPBN) is a pontine area involved in cardiovascular chemoreflex. This study was performed to find the effects of reversible synaptic blockade of the LPBN on the chemoreflex responses, and to find the roles of GABAA receptor and α2 -adenoreceptor (α2 -AR) in chemoreflex. It also aimed to seek possible interaction between GABA and noradrenergic systems of the LPBN in urethane-anesthetized male rats. Cardiovascular chemoreflex was activated by intravenous injection of potassium cyanide (KCN, 80 μg/kg)...
May 15, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29749525/quercetin-protects-against-inflammation-mmp%C3%A2-2-activation-and-apoptosis-induction-in-rat-model-of-cardiopulmonary-resuscitation-through-modulating-bmi%C3%A2-1-expression
#3
Dawei Wang, Xiaoqian Lou, Xiao-Ming Jiang, Chenxi Yang, Xiao-Liang Liu, Nan Zhang
With extensive pharmacological actions, quercetin has anti‑oxidant, free radical scavenging, anti‑tumor, anti‑inflammatory, anti‑bacterial and anti‑viral activity. Quercetin also reduces blood glucose and reduces high blood pressure, and has immunoregulation and cardiovascular protection functions. Additionally, it has been reported that it can reduce depression. The current study evaluated whether quercetin protects against inflammation, matrix metalloproteinase‑2 (MMP‑2) activation and apoptosis induction in a rat model of cardiopulmonary resuscitation (CPR), and whether Bmi‑1 expression was involved in the effects...
May 8, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29726283/lactobacillus-plantarum-is-10506-activates-intestinal-stem-cells-in-a-rodent-model
#4
A F Athiyyah, A Darma, R Ranuh, W Riawan, A Endaryanto, F A Rantam, I S Surono, S M Sudarmo
This study investigated the probiotic effect of Lactobacillus plantarum IS-10506 in activating and regenerating leucine-rich repeat-containing G-protein-coupled receptor (Lgr)5- and B lymphoma Moloney murine leukaemia virus insertion region (Bmi)1-expressing intestinal stem cells in rodents following Escherichia coli serotype 055:B5 lipopolysaccharide (LPS) exposure. Male Sprague-Dawley rats (n=64) were randomised into control (KN), LPS (KL), probiotic + LPS (KL-Pr), and sequential probiotic + LPS + probiotic (KPR-7L) groups...
May 4, 2018: Beneficial Microbes
https://www.readbyqxmd.com/read/29718334/low-dose-levothyroxine-reduces-intrahepatic-lipid-content-in-patients-with-type-2-diabetes-mellitus-and-nafld
#5
Eveline Bruinstroop, Rinkoo Dalan, Cao Yang, Yong Mong Bee, Kurumbian Chandran, Li Wei Cho, Shui Boon Soh, Eng Kiong Teo, Sue-Anne Toh, Melvin Khee Shing Leow, Rohit A Sinha, Suresh Anand Sadananthan, Navin Michael, Heather Stapleton, Christopher Leung, Peter W Angus, Sheila K Patel, Louise M Burrell, Lim Su Chi, Sum Chee Fang, S Sendhil Velan, Paul M Yen
Context/Objective: Non-alcoholic fatty liver disease (NAFLD) is highly prevalent in patients with type 2 diabetes mellitus and associated with significant morbidity and mortality. Thyroid hormone (TH) increases β-oxidation of fatty acids and decreases intrahepatic lipid content (IHLC) in rodents with NAFLD. In this study we investigated the possibility of low intrahepatic TH concentration in NAFLD and studied the effect of TH treatment in humans. Design/Setting: We performed a phase 2b single arm study in six hospitals in Singapore to study whether TH reduced IHLC...
April 27, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29717278/role-of-obesity-in-the-release-of-extracellular-nucleosomes-in-acute-pancreatitis-a-clinical-and-experimental-study
#6
Salvador Pérez, Isabela Finamor, Pablo Martí-Andrés, Javier Pereda, Ana Campos, Rosário Domingues, Fawaz Haj, Luis Sabater, Enrique de-Madaria, Juan Sastre
BACKGROUND/OBJECTIVES: A high body mass index increases the risk of severe pancreatitis and associated mortality. Our aims were: (1) To determine whether obesity affects the release of extracellular nucleosomes in patients with pancreatitis; (2) To determine whether pancreatic ascites confers lipotoxicity and triggers the release of extracellular nucleosomes in lean and obese rats. METHODS: DNA and nucleosomes were determined in plasma from patients with mild or moderately severe acute pancreatitis either with normal or high body mass index (BMI)...
May 1, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29697857/the-protective-effects-of-melatonin-and-glucagon-like-peptide-1-receptor-agonist-liraglutide-on-gastric-ischemia-reperfusion-injury-in-high-fat-sucrose-fed-rats
#7
Hanan A Mubarak, Manal M Mahmoud, Heba S Shoukry, Dina H Merzeban, Safinaz S Sayed, Laila A Rashed
Ischemia-reperfusion (I-R) injury is a serious pathology that is often encountered with thrombotic events, during surgery when blood vessels are cross-clamped, and in organs for transplantation. Increased oxidative stress is the main pathology in I-R injury, as assessed in studies on the heart, kidney, and brain with little data available on gastric I-R (GI-R). Liraglutide is a GLP-1receptor agonist that has insulinotropic and weight reducing actions, and melatonin that has much studied as a chronotropic hormone; have also studied as being antioxidative stress agents...
April 26, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29688269/polycystic-ovary-syndrome-possible-involvement-of-androgen-induced-chemerin-mediated-ovarian-recruitment-of-monocytes-macrophages
#8
Patricia D A Lima, Anne-Laure Nivet, Qi Wang, Yi-An Chen, Arthur Leader, Annie Cheung, Chii-Ruey Tzeng, Benjamin K Tsang
Polycystic ovary syndrome (PCOS) is a continuum of endocrine and reproductive disorders characterized by hyperandrogenism, antral follicle growth arrest and chronic inflammation. Macrophages play key role in inflammation and the balance between M1 (inflammatory) and M2 (anti-inflammatory) macrophages determines physiological/pathological outcomes. Here, we investigated if hyperandrogenism increases ovarian chemerin altering the balance of M1 and M2 macrophages and the granulosa cell death. Ovarian chemerin was up-regulated by 5α-dihydrotestosterone (DHT) in lean and overweight rats; while increased serum chemerin levels were only evident in overweight rats, suggesting that the serum chemerin may be reflective of a systemic response and associated with obesity, whereas increased ovarian chemerin expression is a localized response independent of the metabolic status...
April 24, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29662453/response-of-cultured-neuronal-network-activity-after-high-intensity-power-frequency-magnetic-field-exposure
#9
Atsushi Saito, Masayuki Takahashi, Kei Makino, Yukihisa Suzuki, Yasuhiko Jimbo, Satoshi Nakasono
High-intensity and low frequency (1-100 kHz) time-varying electromagnetic fields stimulate the human body through excitation of the nervous system. In power frequency range (50/60 Hz), a frequency-dependent threshold of the external electric field-induced neuronal modulation in cultured neuronal networks was used as one of the biological indicator in international guidelines; however, the threshold of the magnetic field-induced neuronal modulation has not been elucidated. In this study, we exposed rat brain-derived neuronal networks to a high-intensity power frequency magnetic field (hPF-MF), and evaluated the modulation of synchronized bursting activity using a multi-electrode array (MEA)-based extracellular recording technique...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29574310/high-serum-igf-1-levels-are-associated-with-pregnancy-loss-following-frozen-thawed-euploid-embryo-transfer-cycles
#10
Mohamad Irani, Dimitrios Nasioudis, Steven S Witkin, Vinay Gunnala, Steven D Spandorfer
An elevated level of insulin growth factor (IGF-1) in rat uterine fluid has been shown to exert detrimental effects of embryo development possibly leading to an increase in pregnancy loss. Interestingly, the administration of somatostatin to rats undergoing superovulation reduced IGF-1 levels in uterine luminal fluid and thus reversed its deleterious effects on embryo development and increased the number of normal embryos. Therefore, we investigated whether serum levels of IGF-1 correlate with the incidence of pregnancy loss following IVF...
March 16, 2018: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29527681/hormone-sensitive-lipase-preferentially-redistributes-to-lipid-droplets-associated-with-perilipin-5-in-human-skeletal-muscle-during-moderate-intensity-exercise
#11
Katie L Whytock, Sam O Shepherd, Anton J M Wagenmakers, Juliette A Strauss
KEY POINTS: Hormone-sensitive lipase (HSL) and adipose triglyceride lipase (ATGL) are the key enzymes involved in intramuscular triglyceride (IMTG) lipolysis. In isolated rat skeletal muscle, HSL translocates to IMTG-containing lipid droplets (LDs) following electrical stimulation, but whether HSL translocation occurs in human skeletal muscle during moderate-intensity exercise is currently unknown. Perilipin-2 (PLIN2) and perilipin-5 (PLIN5) proteins have been implicated in regulating IMTG lipolysis by interacting with HSL and ATGL in cell culture and rat skeletal muscle studies...
March 11, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29497783/angptl8-antisense-oligonucleotide-improves-adipose-lipid-metabolism-and-prevents-diet-induced-nafld-and-hepatic-insulin-resistance-in-rodents
#12
Daniel F Vatner, Leigh Goedeke, Joao-Paulo G Camporez, Kun Lyu, Ali R Nasiri, Dongyan Zhang, Sanjay Bhanot, Susan F Murray, Christopher D Still, Glenn S Gerhard, Gerald I Shulman, Varman T Samuel
AIMS/HYPOTHESIS: Targeting regulators of adipose tissue lipoprotein lipase could enhance adipose lipid clearance, prevent ectopic lipid accumulation and consequently ameliorate insulin resistance and type 2 diabetes. Angiopoietin-like 8 (ANGPTL8) is an insulin-regulated lipoprotein lipase inhibitor strongly expressed in murine adipose tissue. However, Angptl8 knockout mice do not have improved insulin resistance. We hypothesised that pharmacological inhibition, using a second-generation antisense oligonucleotide (ASO) against Angptl8 in adult high-fat-fed rodents, would prevent ectopic lipid accumulation and insulin resistance by promoting adipose lipid uptake...
June 2018: Diabetologia
https://www.readbyqxmd.com/read/29486733/development-and-evaluation-of-a-risk-assessment-tool-to-improve-clinical-triage-accuracy-for-colonoscopic-investigations
#13
Anton R Lord, Lisa A Simms, Allison Brown, Katherine Hanigan, Krupa Krishnaprasad, Belinda Schouten, Anthony R Croft, Mark N Appleyard, Graham L Radford-Smith
BACKGROUND: Gastroenterology Departments at hospitals within Australia receive thousands of General Practitioner (GP)-referral letters for gastrointestinal investigations every month. Many of these requests are for colonoscopy. This study aims to evaluate the performance of the current symptoms-based triage system compared to a novel risk score using objective markers. METHODS: Patients with lower abdominal symptoms referred by their GPs and triaged by a Gastroenterology consultant to a colonoscopy consent clinic were recruited into the study...
February 27, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29472066/serum-levels-of-irisin-predict-short-term-outcomes-in-ischemic-stroke
#14
Huisheng Wu, Peipei Guo, Zhao Jin, Xinyi Li, Xin Yang, Chaoliang Tang, Yanlin Wang, Jianjuan Ke
OBJECTIVE: Irisin is a 112-amino acid peptide found in rat and human skeletal muscle after exercise. Previous studies had suggested that higher circulating irisin levels were associated with an increased risk of vascular atherosclerosis and cardiovascular diseases. In this study, we determined irisin levels in serum, and investigated their associations with functional outcomes in a 3-month follow-up study in Chinese patients with first-ever acute ischemic stroke (AIS). METHODS: From September 2015 to December 2016, consecutive first-ever AIS patients admitted to the Department of Emergency of our hospital were identified...
February 19, 2018: Cytokine
https://www.readbyqxmd.com/read/29432436/change-in-hippocampal-theta-oscillation-associated-with-multiple-lever-presses-in-a-bimanual-two-lever-choice-task-for-robot-control-in-rats
#15
Norifumi Tanaka, Katsunari Sano, Md Ashrafur Rahman, Ryota Miyata, Genci Capi, Shigenori Kawahara
Hippocampal theta oscillations have been implicated in working memory and attentional process, which might be useful for the brain-machine interface (BMI). To further elucidate the properties of the hippocampal theta oscillations that can be used in BMI, we investigated hippocampal theta oscillations during a two-lever choice task. During the task body-restrained rats were trained with a food reward to move an e-puck robot towards them by pressing the correct lever, ipsilateral to the robot several times, using the ipsilateral forelimb...
2018: PloS One
https://www.readbyqxmd.com/read/29424894/twist2-and-cd24-expression-alters-renal-microenvironment-in-obesity-associated-kidney-cancer
#16
X-F Yang, G Ma, N-H Feng, D-S Yu, Y Wu, C Li
OBJECTIVE: Obesity emerged as a major public health problem worldwide, and prolonged condition with increased BMI causes various metabolic disorders include the development of kidney cancer. The metabolic changes alter the renal microenvironment and thereby promoting tumor. Hence, detailed studies of genes that regulate these this changes are keen to understand. MATERIALS AND METHODS: Initially, we successfully initiate kidney tumor using prolonged intake of a high-fat diet in Wistar rats, which are confirmed with pathological changes observed through histological sectioning...
January 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29354618/the-effect-of-estrogen-replacement-therapy-on-visceral-fat-serum-glucose-lipid-profiles-and-apelin-level-in-ovariectomized-rats
#17
Parvin Babaei, Adele Dastras, Bahram Soltani Tehrani, Shiva Pourali Roudbaneh
Objectives: Ovarian hormones have been shown to regulate body weight, intra-abdominal fat accumulation and plasma level of cytokines. The aim of this study was to investigate the effect of estrogen replacement therapy on visceral adipose tissue, plasma level of apelin, lipid profiles, and glucose in ovariectomized (OVX) rats. Methods: Thirty female Wistar rats were divided into OVX (n = 20) and sham (n = 10) groups. OVX rats were subdivided into estrogen replacement therapy (OVX+est; n = 10) receiving 17 β-estradiol valerates (30 µg/kg, s...
December 2017: Journal of Menopausal Medicine
https://www.readbyqxmd.com/read/29309796/prenatal-exposure-to-valproic-acid-alters-the-development-of-excitability-in-the-postnatal-rat-hippocampus
#18
Yukiko Fueta, Yuko Sekino, Sachiko Yoshida, Yasunari Kanda, Susumu Ueno
Prenatal valproic acid (VPA) exposure is a well-known animal model of autism spectrum disorder (ASD) that produces alterations in embryonic and adult neurogenesis as well as adolescent/adulthood neurobehavioral phenotypes. However, the effects of prenatal VPA exposure on neural network excitability, especially during the synaptogenic period around eye opening, are not fully understood. In this study, we orally administered VPA (300 mg/kg) to pregnant Wistar rats on gestation day 15 and subsequently performed field potential recording in the CA1 area of hippocampal slices obtained from control (saline-exposed) and VPA-exposed rat pups between postnatal day (PND) 13 and PND18...
March 2018: Neurotoxicology
https://www.readbyqxmd.com/read/29260581/dietary-phenolic-acids-reverse-insulin-resistance-hyperglycaemia-dyslipidaemia-inflammation-and-oxidative-stress-in-high-fructose-diet-induced-metabolic-syndrome-rats
#19
Oluwayemisi B Ibitoye, Taofeek O Ajiboye
This study investigated the influence of caffeic, ferulic, gallic and protocatechuic acids on high-fructose diet-induced metabolic syndrome in rats. Oral administration of the phenolic acids significantly reversed high-fructose diet-mediated increase in body mass index and blood glucose. Furthermore, phenolic acids restored high-fructose diet-mediated alterations in metabolic hormones (insulin, leptin and adiponectin). Similarly, elevated tumour necrosis factor-α, interleukin-6 and -8 were significantly lowered...
December 20, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29236873/lychee-litchi-chinensis-sonn-peel-flour-effects-on-hepatoprotection-and-dyslipidemia-induced-by-a-hypercholesterolemic-diet
#20
Estela R Queiroz, Celeste M P DE Abreu, Denise A Rocha, Raimundo V DE Sousa, Rodrigo M Fráguas, Mariana A Braga, Pedro H S César
Dyslipidemias are associated with the incidence of cardiovascular diseases, obesity, diabetes, hypertension and hepatic steatosis, being the cause of morbidity and mortality. This study investigated the effects of lychee peel flour (PF) on serum levels of total cholesterol (TC), low-density lipoprotein (LDL-c), triacylglycerols (TAG) and various parameters related to obesity, in rats fed a hypercholesterolemic diet. Therefore, 20 male rats were used. In the first 21 days, the animals were fed a hypercholesterolemic diet, except for control group...
December 11, 2017: Anais da Academia Brasileira de Ciências
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