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https://www.readbyqxmd.com/read/29149628/multiplex-taqman-locked-nucleic-acid-real-time-pcr-for-the-differential-identification-of-various-meat-and-meat-products
#1
Rusu Xu, Shuang Wei, Guangbiao Zhou, Jiao Ren, Zhongyong Liu, Shuze Tang, Peter C K Cheung, Xiyang Wu
Meat adulteration incidents have been reported frequently over the past few years, and the corresponding traceability issues attracted much more attention due to the customer's demands and administration's responsibility. Therefore, it is important to develop high-throughput and rapid detection methods to identify the specific sources from meat samples. In this study, a multiplex TaqMan locked nucleic acid real-time polymerase chain reaction assay (MLNA-RT-PCR) was developed to simultaneously detect multiple meat sources (duck, pork, beef and chicken)...
November 14, 2017: Meat Science
https://www.readbyqxmd.com/read/29149435/equine-herpesvirus-type-1-orf51-encoding-ul11-as-an-essential-gene-for-replication-in-cultured-cells
#2
Yassien Badr, Ayaka Okada, Rania Abo-Sakaya, Emad Beshir, Kenji Ohya, Hideto Fukushi
Equine herpesvirus type 1 (EHV-1) UL11 is a 74-amino-acid tegument protein encoded by ORF51 of the EHV-1 genome. EHV-1 UL11 was previously reported by other researchers using the RacL22 and RacH strains to be nonessential for viral replication in cultured cells. Here, we constructed UL11 mutant viruses including a UL11 null mutant and three C-terminal truncated mutants, for further characterization of EHV-1 UL11 using bacterial artificial chromosome (BAC) technology based on the neuropathogenic strain Ab4p...
November 17, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29149185/linezolid-and-atorvastatin-impact-on-pneumonia-caused-by-staphyloccocus-aureus-in-rabbits-with-or-without-mechanical-ventilation
#3
Laure-Anne Pauchard, Mathieu Blot, Rémi Bruyere, Saber-Davide Barbar, Delphine Croisier, Lionel Piroth, Pierre-Emmanuel Charles
Pneumonia may involve methicillin-resistant Staphylococcus aureus (MRSA), with elevated rates of antibiotics failure. The present study aimed to assess the effect of statins given prior to pneumonia development. Spontaneously breathing (SB) or mechanically ventilated (MV) rabbits with pneumonia received atorvastatin alone, linezolid (LNZ) alone, or a combination of both (n = 5 in each group). Spontaneously breathing and MV untreated infected animals (n = 11 in each group), as well as uninfected animals (n = 5 in each group) were used as controls...
2017: PloS One
https://www.readbyqxmd.com/read/29148713/wireless-acoustic-surface-actuators-for-miniaturized-endoscopes
#4
Tian Qiu, Fabian Adams, Stefano Palagi, Kai Melde, Andrew G Mark, Ulrich Wetterauer, Arkadiusz Miernik, Peer Fischer
Endoscopy enables minimally invasive procedures in many medical fields, such as urology. However, current endoscopes are normally cable-driven, which limits their dexterity and makes them hard to miniaturize. Indeed current urological endoscopes have an outer diameter of about 3 mm and still only possess one bending degree of freedom. In this paper, we report a novel wireless actuation mechanism that increases the dexterity and that permits the miniaturization of a urological endoscope. The novel actuator consists of thin active surfaces that can be readily attached to any device and are wirelessly powered by ultrasound...
November 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29148605/an-overview-rabbit-hepatitis-e-virus-hev-and-rabbit-providing-an-animal-model-for-hev-study
#5
REVIEW
Lin Wang, Lin Liu, Ling Wang
Hepatitis E virus (HEV) is a single-stranded, positive-sense RNA virus and the causative agent of hepatitis E. The virus belongs to genus Orthohepevirus in the family Hepeviridae, which contains 4 major genotypes closely relating to humans. Genotypes 1 and 2 only infect humans whereas genotypes 3 and 4 HEV are harbored in a wide range of animal species worldwide and are zoonotic to humans. Recently, a novel animal strain of HEV has been isolated in farmed rabbits in China, and subsequently more strains were discovered in the rabbit populations in at least 7 other countries...
November 17, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29148051/mechanical-parameters-of-the-molecular-motor-myosin-ii-determined-in-permeabilised-fibres-from-slow-and-fast-skeletal-muscles-of-the-rabbit
#6
Valentina Percario, Simona Boncompagni, Feliciano Protasi, Irene Pertici, Francesca Pinzauti, Marco Caremani
The skeletal muscle exhibits large functional differences depending on the myosin heavy chain (MHC) isoform expressed in its molecular motor myosin II. The differences in the mechanical features of force generation by myosin isoforms are investigated in situ by using fast sarcomere-level mechanical methods in permeabilised fibres (sarcomere length 2.4 μm, temperature 12°C, 4% dextran T-500) from the slow (soleus, containing the MHC-1 isoform) and the fast (psoas, containing the MHC-2X isoform) skeletal muscle of the rabbit...
November 17, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29147915/use-of-enzyme-linked-immunosorbent-assay-to-screen-for-aflatoxins-ochratoxin-a-and-deoxynivalenol-in-dry-pet-foods
#7
Tara A Okuma, Thu P Huynh, Rosalee S Hellberg
The objective of this study was to perform a market survey on dry pet foods using enzyme-linked immunosorbent assay (ELISA) to detect total aflatoxins (AFs), ochratoxin A (OTA), and deoxynivalenol (DON). Pet food products (n = 58) marketed for dogs, cats, birds, and rabbits were tested in duplicate with ELISA, and results above the limit of quantitation were confirmed using liquid chromatography tandem mass spectrometry (LC-MS/MS). OTA was detected in one product (rabbit food) and AFs were detected in two products (one dog treat and one bird treat)...
November 16, 2017: Mycotoxin Research
https://www.readbyqxmd.com/read/29146495/polysaccharides-from-citrus-grandis-l-osbeck-suppress-inflammation-and-relieve-chronic-pharyngitis
#8
Liyan Chen, Yongfeng Lai, Lei Dong, Shasha Kang, Xiumei Chen
Chronic pharyngitis, a common inflammation of the pharyngeal mucosa, is often caused by bacteria, viruses, alcohol abuse, overuse of the voice and cigarettes. This study aimed to explore the effects of polysaccharides of Citrus grandis L. Osbeck (PCG) in relieving chronic pharyngitis and illustrate the underlying mechanisms. Polysaccharides were obtained from PCG by column chromatographic extraction. Six clinical symptom scores, such as the severity of itchy throat, hoarseness, pain, odynophagia, cough and otalgia were evaluated in chronic pharyngitis patients after the oral intake of PCG...
November 13, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29146153/the-stress-kinase-jnk-regulates-gap-junction-cx43-gene-expression-and-promotes-atrial-fibrillation-in-the-aged-heart
#9
Jiajie Yan, Justin K Thomson, Weiwei Zhao, Xiaomin Wu, Xianlong Gao, Dominic DeMarco, Wei Kong, Min Tong, Jun Sun, Mamdouh Bakhos, Vladimir G Fast, Qingrong Liang, Sumanth D Prabhu, Xun Ai
BACKGROUND: The stress kinase c-jun N-terminal kinase (JNK) is critical in the pathogenesis of cardiac diseases associated with an increased incidence of atrial fibrillation (AF), the most common arrhythmia in the elderly. We recently discovered that JNK activation is linked to the loss of gap junction connexin43 (Cx43) and enhanced atrial arrhythmogenicity. However, direct evidence for JNK-mediated impairment of intercellular coupling (cell-cell communication) in the intact aged atrium is lacking, as is evidence for whether and how JNK suppresses Cx43 in the aged human atrium...
November 13, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29146032/clinical-signs-diagnosis-and-treatment-of-encephalitozoon-cuniculi-infection-in-rabbits
#10
REVIEW
Frank Künzel, Peter G Fisher
Central vestibular dysfunction caused by Encephalitozoon cuniculi frequently mimics the condition of a peripheral disorder. A negative antibody titer rules out E cuniculi as the cause of present clinical signs. Cerebrospinal fluid analysis including polymerase chain reaction is considered an inappropriate diagnostic method for in vivo diagnosis of encephalitozoonosis. The usefulness of glucocorticoid anti-inflammatories in the treatment of encephalitozoonosis is called into question. Encouraging activity early in the course of disease and adding in therapeutic exercise may represent the most important part of therapy in rabbits with vestibular dysfunction associated with encephalitozoonosis...
January 2018: Veterinary Clinics of North America. Exotic Animal Practice
https://www.readbyqxmd.com/read/29144789/a-comparative-study-of-different-amniotic-membrane-orientations-during-extraocular-muscle-surgery-in-rabbits
#11
Rehab Rashad Kassem, Randa Mohamed Abdel-Moneim El-Mofty, Mustafa Mahmoud Khodeir, Wael Mostafa Hamza
PURPOSE: To histopathologically compare the effect of different orientations of cryopreserved human amniotic membrane (AM) transplant during extraocular muscle surgery in rabbits. METHODS: Fifty-two albino rabbit eyes underwent 4-mm resection of the superior rectus. Eyes were randomly divided into four groups. In Group C (Control group, 16 eyes) the muscle was not wrapped with amniotic membrane. In the three AM groups, cryopreserved AM was wrapped around the muscle, oriented with either its stroma (Group S, 15 eyes) or epithelium (Group E, nine eyes) towards the muscle, or folded on itself with the epithelium externally (Group F, 12 eyes)...
November 16, 2017: Current Eye Research
https://www.readbyqxmd.com/read/29144195/extraction-purification-of-prostate-specific-antigen-psa-and-establishment-of-radioimmunoassay-system-as-a-diagnostic-tool-for-prostate-disorders
#12
Ahmed Sami Abu-Bakr El-Bayoumy, Akaber Tarek Hessien Keshta, Khaled Mohamed Sallam, Nahed Hassan Ebeid, Hatem Mohamed Elsheikh, Bsheer El-Sayed Bayoumy
This study aimed to provide an easy and effective method for extraction and purification of prostate specific antigen (PSA) from human seminal fluid with high quantity (14 mg) and high purity (98%). The obtained PSA was injected into rabbits for production of anti-PSA polyclonal antibody (titer 1/1000), labeled with radioactive iodine-125 for preparation of radioactive PSA tracer (purity 98 ± 1.8% and specific activity 64 ± 1.9 µCi/µg), and used in preparation of PSA standards. All prepared components can be used in PSA immunoassays specially radioimmunoassay (RIA) kit preparation as a diagnostic tool for prostatic diseases...
November 16, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/29143933/long-term-effectiveness-of-tocilizumab-in-patients-with-rheumatoid-arthritis-stratified-by-number-of-previous-treatment-failures-with-biologic-agents-results-from-the-german-rabbit-cohort
#13
Lisa Baganz, Adrian Richter, Jörn Kekow, Arnold Bussmann, Andreas Krause, Carsten Stille, Joachim Listing, Angela Zink, Anja Strangfeld
In Germany, Tocilizumab (TCZ) is used for the treatment of rheumatoid arthritis both in biologic-naïve patients and those with previous failures of biologic disease-modifying antirheumatic drugs (bDMARDs). The long-term effectiveness and retention rates of TCZ in patients with different numbers of prior bDMARD failures has rarely been investigated. We included 885 RA patients in the analyses, enrolled with the start of TCZ between 2009 and 2015 in the German biologics register RABBIT. Patients were stratified according to prior bDMARD failures: no prior bDMARD or 1, 2 or ≥ 3 bDMARD failures...
November 16, 2017: Rheumatology International
https://www.readbyqxmd.com/read/29143854/in-vitro-biotransformation-of-pyrrolizidine-alkaloids-in-different-species-part%C3%A2-i-microsomal-degradation
#14
Franziska Kolrep, Jorge Numata, Carsten Kneuer, Angelika Preiss-Weigert, Monika Lahrssen-Wiederholt, Dieter Schrenk, Anja These
Pyrrolizidine alkaloids (PA) are secondary metabolites of certain flowering plants. The ingestion of PAs may result in acute and chronic effects in man and livestock with hepatotoxicity, mutagenicity, and carcinogenicity being identified as predominant effects. Several hundred PAs sharing the diol pyrrolizidine as a core structure are formed by plants. Although many congeners may cause adverse effects, differences in the toxic potency have been detected in animal tests. It is generally accepted that PAs themselves are biologically and toxicologically inactive and require metabolic activation...
November 16, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/29143781/biological-properties-of-low-toxic-plga-and-plga-phb-fibrous-nanocomposite-scaffolds-for-osseous-tissue-regeneration-evaluation-of-potential-bioactivity
#15
Boguslawa Żywicka, Izabella Krucińska, Jerzy Garcarek, Maria Szymonowicz, Agnieszka Komisarczyk, Zbigniew Rybak
Abstracts: The aim of the study was to evaluate the biocompatibility and bioactivity of two new prototype implants for bone tissue regeneration made from biodegradable fibrous materials. The first is a newly developed poly(l-lactide-co-glycolide), (PLGA), and the second is a blend of PLGA with synthetic poly([R,S]-3-hydroxybutyrate) (PLGA/PHB). The implant prototypes comprise PLGA or PLGA/PHB nonwoven fabrics with designed pore structures to create the best conditions for cell proliferation. The bioactivity of the proposed implants was enhanced by introducing a hydroxyapatite material and a biologically active agent, namely, growth factor IGF1, encapsulated in calcium alginate microspheres...
October 28, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29142863/rabbit-submandibular-salivary-gland-replantation
#16
Akram A Almansoori, Namuun Khentii, Wei-Hong Hei, Nari Seo, Sung-Ho Lee, Soung Min Kim, Jong Ho Lee
Objectives: To test the feasibility of submandibular salivary gland (SMG) replantation techniques and the survival of the replanted glands. Such a study can provide a rationale for later allotransplantation procedures, along with implementation of conventional and advanced immunosuppression therapy. Materials and Methods: Six SMG replantations were performed in New Zealand white rabbits. One week postoperatively, (99m)Tc scintigraphy was performed and the uptake ratio and salivary excretion fraction were calculated...
October 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29142788/a-unified-approach-to-model-peripheral-nerves-across-different-animal-species
#17
Elisabetta Giannessi, Maria Rita Stornelli, Pier Nicola Sergi
Peripheral nerves are extremely complex biological structures. The knowledge of their response to stretch is crucial to better understand physiological and pathological states (e.g., due to overstretch). Since their mechanical response is deterministically related to the nature of the external stimuli, theoretical and computational tools were used to investigate their behaviour. In this work, a Yeoh-like polynomial strain energy function was used to reproduce the response of in vitro porcine nerve. Moreover, this approach was applied to different nervous structures coming from different animal species (rabbit, lobster, Aplysia) and tested for different amount of stretch (up to extreme ones)...
2017: PeerJ
https://www.readbyqxmd.com/read/29142394/antioxidant-phytochemicals-of-opuntia-ficus-indica-l-mill-cladodes-with-potential-anti-spasmodic-activity
#18
Francesco Lanuzza, Francesco Occhiuto, Maria Teresa Monforte, Maria Marcella Tripodo, Valeria D'Angelo, Enza Maria Galati
Background: Opuntia ficus-indica (OFI) (L.) Mill. (Cactaceae), a plant widespread in dry regions of the world, shows interesting biological activities (cicatrizant, antiulcer, anti-inflammatory, and hypolipidemic) and is widely used in traditional medicine. Objectives: Phytochemical analysis and antispasmodic effect of wild OFI cladodes were carried out. Material and Methods: Polyphenols and Vitamin E occurrence, in antioxidant pool of OFI cladodes, were quantified by high-performance liquid chromatography...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142249/a-magnetoelastic-biosensor-based-on-e2-glycoprotein-for-wireless-detection-of-classical-swine-fever-virus-e2-antibody
#19
Xing Guo, Shengbo Sang, Jinyu Guo, Aoqun Jian, Qianqian Duan, Jianlong Ji, Qiang Zhang, Wendong Zhang
A wireless magnetoelastic (ME) biosensor immobilized with E2 glycoprotein was first developed to detect classical swine fever virus (CSFV) E2 antibody. The detection principle is that a sandwich complex of CSFV E2 - rabbit anti-CSFV E2 antibody - alkaline phosphatase (AP) conjugated goat anti-rabbit IgG formed on the ME sensor surface, with biocatalytic precipitation used to amplify the mass change of antigen-antibody specific binding reaction, induces a significant change in resonance frequency of the biosensor...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29142190/detection-of-atherosclerotic-plaques-in-the-rabbit-aorta-using-ultrasound-microbubbles-conjugated-to-interleukin-18-antibodies
#20
Zhen-Zhen Jiang, Xia-Tian Liu, Cai-Ye Ma, Cong He, Xing-Yun Li, Chuan-Lin Hou, Zu-Sheng Cheng, Guo-Yuan Xia
BACKGROUND The purpose of the study was to investigate the ability of microbubbles (MBs) targeting interleukin-18 (IL-18) to detect plaques in a rabbit atherosclerotic plaque model. MATERIAL AND METHODS A rabbit atherosclerotic plaque model was established. The locations of the atherosclerotic plaques were verified by two-dimensional scanning and color Doppler flow imaging. An IL-18 antibody was conjugated to naked MBs (MBc) using the biotin-streptavidin conjugation method, resulting in the formation of MBIL-18...
November 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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