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https://www.readbyqxmd.com/read/28432942/insights-into-the-diversity-of-nod-like-receptors-identification-and-expression-analysis-of-nlrc3-nlrc5-and-nlrx1-in-rainbow-trout
#1
Claudio A Álvarez, Felipe Ramírez-Cepeda, Paula Santana, Elisa Torres, Jimena Cortés, Fanny Guzmán, Paulina Schmitt, Luis Mercado
Nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs) are efficient soluble intracellular sensors that activate defense mechanisms against pathogens. In teleost fish, the involvement of NLRs in the immune response is not well understood. However, recent work has evidenced the expression of different NLRs in response to some pathogen associated molecular patterns (PAMPs). In the present work, the cDNA sequence encoding three new NOD-like receptors were identified in Oncorhynchus mykiss, namely OmNLRC3, OmNLRC5 and OmNLRX1...
April 19, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28428227/mechanisms-in-endocrinology-the-multiple-facets-of-gh-lessons-from-lifetime-untreated-isolated-gh-deficiency-due-to-ghrh-receptor-mutation
#2
Manuel Aguiar-Oliveira, Anita Ho Souza, Carla R Oliveira, Viviane C Campos, Luiz A Oliveira-Neto, Roberto Salvatori
Twenty years ago, we described a kindred of 105 individuals with isolated GH deficiency (IGHD) in Itabaianinha County, in Brazilian northeast, due to a homozygous mutation in the GH-releasing hormone receptor gene. These subjects exhibit markedly reduced GH responsiveness to stimulatory tests, and anterior pituitary hypoplasia. Serum concentrations of IGF-I, IGF binding protein type 3, and the acid-labile subunit are markedly reduced, with a lesser reduction of IGF-II. The most striking physical findings of these IGHD individuals are the proportionate short stature, doll facies, high-pitched voice, and visceral obesity with reduced fat free mass...
April 20, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28420415/distribution-pattern-following-systemic-mesenchymal-stem-cell-injection-depends-on-the-age-of-the-recipient-and-neuronal-health
#3
Claire Fabian, Yahaira Naaldijk, Christiane Leovsky, Adiv A Johnson, Lukas Rudolph, Carsten Jaeger, Katrin Arnold, Alexandra Stolzing
BACKGROUND: Mesenchymal stem cells (MSCs) show therapeutic efficacy in many different age-related degenerative diseases, including Alzheimer's disease. Very little is currently known about whether or not aging impacts the transplantation efficiency of MSCs. METHODS: In this study, we investigated the distribution of intravenously transplanted syngeneic MSCs derived from young and aged mice into young, aged, and transgenic APP/PS1 Alzheimer's disease mice. MSCs from male donors were transplanted into female mice and their distribution pattern was monitored by PCR using Y-chromosome specific probes...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28415724/pharmacological-inhibition-of-src-kinase-protects-against-acute-kidney-injury-in-a-murine-model-of-renal-ischemia-reperfusion
#4
Chongxiang Xiong, Xiujuan Zang, Xiaoxu Zhou, Lirong Liu, Monica V Masucci, Jinhua Tang, Xuezhu Li, Na Liu, George Bayliss, Ting C Zhao, Shougang Zhuang
Activation of Src kinase has been implicated in the pathogenesis of acute brain, liver, and lung injury. However, the role of Src in acute kidney injury (AKI) remains unestablished. To address this, we evaluated the effects of Src inhibition on renal dysfunction and pathological changes in a murine model of AKI induced by ischemia/reperfusion (I/R). I/R injury to the kidney resulted in increased Src phosphorylation at tyrosine 416 (activation). Administration of PP1, a highly selective Src inhibitor, blocked Src phosphorylation, improved renal function and ameliorated renal pathological damage...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412905/therapeutic-potential-of-heme-oxygenase-1-carbon-monoxide-system-against-ischemia-reperfusion-injury
#5
Yuanyuan Cheng, Jianhui Rong
BACKGROUND: Ischemia-reperfusion (I/R) injury causes the dysfunctions of different major organs, leading to morbidity and mortality on the global scale. Among a battery of therapeutic targets, the heme oxygenase-1 (HO-1)/carbon monoxide (CO) system has been evaluated for the development of new therapies against I/R injury. The enzyme HO-1 catalyzes the degradation of heme into three biologically active end products, namely biliverdin/bilirubin, CO and ferrous ion. Interestingly, CO is one of a few bioactive gaseous molecules with the capability of regulating inflammation, cell survival and growth...
April 13, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28410969/characterization-and-mechanism-of-phosphoinositide-3-kinases-pi3ks-members-in-insulin-induced-changes-of-protein-metabolism-in-yellow-catfish-pelteobagrus-fulvidraco
#6
Mei-Qin Zhuo, Yan-Xiong Pan, Kun Wu, Yi-Huan Xu, Zhi Luo
In the present study, seven phosphoinositide 3-kinase (PI3K) members (PI3KCa, PI3KCb, PI3KCd, PI3KCg, PI3KC2a, PI3KC2b and PI3KC3, respectively) were isolated and characterized from yellow catfish Pelteobagrus fulvidraco, and their roles in insulin-induced changes of protein metabolism were determined. These seven PI3Ks can be divided into three classes, class I (including PI3KCa, PI3KCb, PI3KCd and PI3KCg), class II (including PI3KC2a and PI3KC2b) and class III (only including PI3KC3). Compared with mammals, all of these members share similar domain structure...
April 11, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28409447/isolation-of-peroxisomes-from-mouse-brain-using-a-continuous-nycodenz-gradient-a-comparison-to-the-isolation-of-liver-and-kidney-peroxisomes
#7
Miriam J Schönenberger, Werner J Kovacs
In the central nervous system (CNS) peroxisomes are present in all cell types, namely neurons, oligodendrocytes, astrocytes, microglia, and endothelial cells. Brain peroxisomes are smaller in size compared to peroxisomes from other tissues and are therefore referred to as microperoxisomes. We have established a purification procedure to isolate highly purified peroxisomes from the central nervous system that are well separated from the endoplasmic reticulum and mitochondria and are free of myelin contamination...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28409093/first-case-of-invasive-magnusiomyces-capitatus-infection-in-slovakia
#8
Dominika Tanuskova, Julia Horakova, Peter Svec, Ivana Bodova, Martina Lengerova, Matej Bezdicek, Miroslava Poczova, Jozef Koppl, Alexandra Kolenova
Magnusiomyces capitatus (previously known as Geotrichum capitatum or Blastoschizomyces capitatus or Trichosporon capitatum) is a rare cause of fungal infection in immunocompromised patients. Most of these cases (87%) have been reported from the Mediterranean region, as it is extremely rare to recognize it in other regions. Here we report a first case of disseminated M. capitatus infection in Slovakia. The patient - 19 year old woman with myelodysplastic syndrome was diagnosed with M. capitatus fungemia after allogeneic stem cell transplantation...
June 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28402080/application-of-ischemic-postconditioning-s-algorithms-in-tissues-protection-response-to-methodological-gaps-in-preclinical-and-clinical-studies
#9
Saeid Feyzizadeh, Reza Badalzadeh
Ischaemic postconditioning (IPostC) was introduced for the first time by Zhao et al. as a feasible method for reduction of myocardial ischaemia-reperfusion (IR) injury. The cardioprotection by this protocol has been extensively evaluated in various species. Then, further research revealed that IPostC is a safe and convenient approach in limiting IR injury of non-myocardial tissues such as lung, liver, kidney, intestine, skeletal muscle, brain and spinal cord. IPostC has been conducted with different algorithms, resulting in diverse effects...
April 12, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28399906/target-organs-for-lymphocystis-disease-virus-replication-in-gilthead-seabream-sparus-aurata
#10
Estefania J Valverde, Juan J Borrego, M Carmen Sarasquete, Juan B Ortiz-Delgado, Dolores Castro
The lymphocystis disease (LCD), the main viral pathology described in cultured gilthead seabream (Sparus aurata), is a self-limiting condition characterized by the appearance of hypertrophied fibroblasts (named lymphocysts) in the connective tissue of fish, primarily in the skin and fins. The causative agent of the disease is the Lymphocystis disease virus (LCDV), a member of the Iridoviridae family. In the present study, LCDV genome and transcripts were detected by real-time PCR in caudal fin, as well as in several internal organs, such as intestine, liver, spleen, kidney and brain, from asymptomatic, diseased and recovered gilthead seabream juveniles...
April 11, 2017: Veterinary Research
https://www.readbyqxmd.com/read/28397762/cellular-models-and-in-vitro-assays-for-the-screening-of-modulators-of-p-gp-mrp1-and-bcrp
#11
REVIEW
Mariline Gameiro, Renata Silva, Carolina Rocha-Pereira, Helena Carmo, Félix Carvalho, Maria de Lourdes Bastos, Fernando Remião
Adenosine triphosphate (ATP)-binding cassette (ABC) transporters are highly expressed in tumor cells, as well as in organs involved in absorption and secretion processes, mediating the ATP-dependent efflux of compounds, both endogenous substances and xenobiotics, including drugs. Their expression and activity levels are modulated by the presence of inhibitors, inducers and/or activators. In vitro, ex vivo and in vivo studies with both known and newly synthesized P-glycoprotein (P-gp) inducers and/or activators have shown the usefulness of these transport mechanisms in reducing the systemic exposure and specific tissue access of potentially harmful compounds...
April 8, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28397041/effects-of-nourishing-liver-and-kidney-acupuncture-therapy-on-expression-of-brain-derived-neurotrophic-factor-and-synaptophysin-after-cerebral-ischemia-reperfusion-in-rats
#12
Wen-Guang Xia, Chan-Juan Zheng, Xuan Zhang, Juan Wang
The aim of the present study was to investigate the effect of "nourishing liver and kidney" acupuncture therapy on motor and cognitive deficits, and the underlying mechanism following cerebral ischemia-reperfusion (I/R) via increasing the expression of brain derived neurotrophic factor (BDNF) and synaptophysin (SYN) in the hippocampus. Healthy adult male SD rats were randomly divided into sham operation group (n=51), model group (n=51), acupuncture group (n=51) and acupuncture control group (n=51). The middle cerebral I/R model was established...
April 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28394715/protective-effects-of-fish-oil-of-sardinelle-pilchardis-against-subacute-chlorpyrifos-induced-oxidative-stress-in-female-rats
#13
Saoudi Mongi, Ines Ben Hmida, Wassim Kammoun, Faouzi Ben Rebah, Kamel Jamoussi, Abdelfattah El Feki
The present study was conducted to evaluate the protective effects of sardinella pilchardis fish oil and vitamin E against chlorpyrifos (CPF) induced liver, kidney, and brain oxidative damage in female rats. The rats were divided into six experimental groups: the control group, the group treated with fish oil, the group received fish oil for two weeks and CPF orally (for 7 days), the group treated only with CPF, the group treated with vitamin E for two weeks and CPF (for 7 days) and the group treated with vitamin E...
April 10, 2017: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28393272/heterozygous-hnrnpu-variants-cause-early-onset-epilepsy-and-severe-intellectual-disability
#14
Nuria C Bramswig, Hermann-Josef Lüdecke, Fadi F Hamdan, Janine Altmüller, Filippo Beleggia, Nursel H Elcioglu, Catharine Freyer, Erica H Gerkes, Yasemin Kendir Demirkol, Kelly G Knupp, Alma Kuechler, Yun Li, Daniel H Lowenstein, Jacques L Michaud, Kristen Park, Alexander P A Stegmann, Hermine E Veenstra-Knol, Thomas Wieland, Bernd Wollnik, Hartmut Engels, Tim M Strom, Tjitske Kleefstra, Dagmar Wieczorek
Pathogenic variants in genes encoding subunits of the spliceosome are the cause of several human diseases, such as neurodegenerative diseases. The RNA splicing process is facilitated by the spliceosome, a large RNA-protein complex consisting of small nuclear ribonucleoproteins (snRNPs), and many other proteins, such as heterogeneous nuclear ribonucleoproteins (hnRNPs). The HNRNPU gene (OMIM *602869) encodes the heterogeneous nuclear ribonucleoprotein U, which plays a crucial role in mammalian development. HNRNPU is expressed in the fetal brain and adult heart, kidney, liver, brain, and cerebellum...
April 9, 2017: Human Genetics
https://www.readbyqxmd.com/read/28392888/cerium-oxide-nanoparticles-in-lung-acutely-induce-oxidative-stress-inflammation-and-dna-damage-in-various-organs-of-mice
#15
Abderrahim Nemmar, Priya Yuvaraju, Sumaya Beegam, Mohamed A Fahim, Badreldin H Ali
CeO2 nanoparticles (CeO2 NPs) which are used as a diesel fuel additive are emitted in the particulate phase in the exhaust, posing a health concern. However, limited information exists regarding the in vivo acute toxicity of CeO2 NPs on multiple organs. Presently, we investigated the acute (24 h) effects of intratracheally instilled CeO2 NPs in mice (0.5 mg/kg) on oxidative stress, inflammation, and DNA damage in major organs including lung, heart, liver, kidneys, spleen, and brain. Lipid peroxidation measured by malondialdehyde production was increased in the lungs only, and reactive oxygen species were increased in the lung, heart, kidney, and brain...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28388498/raman-spectroscopy-for-the-detection-of-organ-distribution-and-clearance-of-pegylated-reduced-graphene-oxide-and-biological-consequences
#16
Santhakumar Syama, Willi Paul, Arumugam Sabareeswaran, Parayanthala Valappil Mohanan
Graphene, a 2D carbon material has found vast application in biomedical field because of its exciting physico-chemical properties. The large planar sheet like structure helps graphene to act as an effective carrier of drug or biomolecules in enormous amount. However, limited data available on the biocompatibility of graphene upon interaction with the biological system prompts us to evaluate their toxicity in animal model. In this study organ distribution, clearance and toxicity of PEGylated reduced nanographene (PrGO) on Swiss Albino mice was investigated after intraperitoneal and intravenous administration...
March 28, 2017: Biomaterials
https://www.readbyqxmd.com/read/28383772/aberrant-expression-of-mico1-and-mico1os-in-deceased-somatic-cell-nuclear-transfer-calves
#17
Guan-Nan Wang, Wen-Zhi Yang, Da Xu, Dong-Jie Li, Cui Zhang, Wei-Na Chen, Shi-Jie Li
Incomplete reprogramming of a donor nucleus following somatic cell nuclear transfer (SCNT) results in aberrant expression of developmentally important genes, and is the primary source of the phenotypic abnormalities observed in cloned animals. Expression of non-coding RNAs in the murine Dlk1-Dio3 imprinted domain was previously shown to correlate with the pluripotency of mouse induced pluripotent stem cells. In this study, we examined the transcription of the bovine orthologs from this locus, MICO1 (Maternal intergenic circadian oscillating 1) and MICO1OS (MICO1 opposite strand), in tissues from artificially inseminated and SCNT calves that died during the perinatal period...
April 6, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28382163/visualization-of-a-neurotropic-flavivirus-infection-in-mouse-reveals-unique-viscerotropism-controlled-by-host-type-i-interferon-signaling
#18
Xiao-Feng Li, Xiao-Dan Li, Cheng-Lin Deng, Hao-Long Dong, Qiu-Yan Zhang, Qing Ye, Han-Qing Ye, Xing-Yao Huang, Yong-Qiang Deng, Bo Zhang, Cheng-Feng Qin
Flavivirus includes a large group of human pathogens with medical importance. Especially, neurotropic flaviviruses capable of invading central and peripheral nervous system, e.g. Japanese encephalitis virus (JEV) and Zika virus (ZIKV), are highly pathogenic to human and constitute major global health problems. However, the dynamic dissemination and pathogenesis of neurotropic flavivirus infections remain largely unknown. Here, using JEV as a model, we rationally designed and constructed a recombinant reporter virus that stably expressed Renilla luciferase (Rluc)...
2017: Theranostics
https://www.readbyqxmd.com/read/28379345/epididymal-cyp2e1-plays-a-critical-role-in-acrylamide-induced-dna-damage-in-spermatozoa-and-paternally-mediated-embryonic-resorptions
#19
A L Katen, P Sipila, L A Mitchell, S J Stanger, B Nixon, S D Roman
Acrylamide is a ubiquitous toxicant in human lives, due to its formation in many food products. Acrylamide induces dominant lethal mutations with administration of 25 mg/kg bw/day for 5 days in male mice. Cytochrome P450, family 2, subfamily E, polypeptide 1 (CYP2E1) is responsible for this dominant lethality. CYP2E1 is the only enzyme responsible for the conversion of acrylamide to the highly reactive metabolite glycidamide, which forms adduct with DNA. CYP2E1 is present predominantly in the liver, as well as the brain, kidney, intestines and spleen...
March 31, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28373705/electrochemically-synthesized-highly-crystalline-nitrogen-doped-graphene-nanosheets-with-exceptional-biocompatibility
#20
Deepa Suhag, Arun Kumar Sharma, Satyendra K Rajput, Gajender Saini, Sandip Chakrabarti, Monalisa Mukherjee
This work reports first electrochemical preparation of exceptionally biocompatible, highly crystalline, and well exfoliated nitrogen doped graphene nanosheets (eNGS) from carbon nanosheets for the development of mighty platforms in the field of modern biosensing and other biological applications for human welfare. eNGS displayed exceptional biocompatibility. Administration of the as-synthesized eNGS to rat models did not lead to any significant deviation or inimical consequences in its functional observation battery (FOB) tests, GSH levels or the histology of the vital organs of the rat models...
April 3, 2017: Scientific Reports
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