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https://www.readbyqxmd.com/read/28654700/both-absolute-and-relative-quantification-of-urinary-mrna-are-useful-for-non-invasive-diagnosis-of-acute-kidney-allograft-rejection
#1
Jung-Woo Seo, Haena Moon, Se-Yun Kim, Ju-Young Moon, Kyung Hwan Jeong, Yu-Ho Lee, Yang-Gyun Kim, Tae-Won Lee, Chun-Gyoo Ihm, Chan-Duck Kim, Byung Ha Chung, Yeong Hoon Kim, Sang Ho Lee
Urinary mRNA analysis with three-gene set (18S rRNA, CD3ε, and IP-10) has been suggested as a non-invasive biomarker of acute rejection (AR) in kidney transplant recipients using quantitative real-time PCR (qPCR). Application of droplet digital PCR (ddPCR), which has been suggested to provide higher sensitivity, accuracy, and absolute quantification without standard curves, could be a useful method for the quantifying low concentration of urinary mRNA. We investigated the urinary expression of these three genes in Korean patients with kidney transplantation and also evaluated the usefulness of ddPCR...
2017: PloS One
https://www.readbyqxmd.com/read/28653316/structural-basis-for-alpha-fetoprotein-mediated-inhibition-of-caspase-3-activity-in-hepatocellular-carcinoma-cells
#2
Bo Lin, Mingyue Zhu, Wenting Wang, Wei Li, Xu Dong, Yi Chen, Yan Lu, Junli Guo, Mengsen Li
Alpha-fetoprotein(AFP) is an early serum growth factor in the foetal liver development and hepatic carcinogenesis; However, the precise biological role of cytoplasmic AFP remains elusive. Although we recently demonstrated that cytoplasmic AFP might interact with caspase-3 and inhibit the signal transduction of apoptosis in human hepatocellular carcinoma(HCC) cells, the details of this interaction are not clear. To reveal the molecular relationship between AFP and caspase-3, we performed molecular docking, co-immunoprecipitation(Co-IP), laser confocal microscopy, site-directed mutagenesis and functional experiments to analyse the key amino acid residues in the binding site of caspase-3...
June 27, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28652537/current-knowledge-of-ghrelin-in-amphibians
#3
Hiroyuki Kaiya, Kenji Kangawa, Mikiya Miyazato
We are exploring physiological importance of the ghrelin system in vertebrates. This review summarizes current knowledge of the ghrelin system in amphibians. Our study on ghrelin precursor in various amphibians revealed that the third amino acid with acyl modification has changed to threonine (Thr-3) instead of serine (Ser-3) only in the genus, Rana. Functional analyses of the ghrelin receptor in three species of amphibians, Japanese fire belly newt, American bullfrog and Japanese tree frog revealed that ghrelin and GHS-R1a agonists increase intracellular Ca(2+) concentration in HEK293 cells expressing each receptor, and that ligand selectivity of ghrelin with Ser-3 and Thr-3 that expected to see in the bullfrog receptor was not found in the two frog receptors, but in the newt receptor...
2017: Endocrine Journal
https://www.readbyqxmd.com/read/28652388/optimization-of-thermolytic-response-to-a1-adenosine-receptor-agonists-in-rats
#4
Isaac R Bailey, Bernard Laughlin, Lucille Moore, Lori K Bogren, Zeinab Barati, Kelly L Drew
Cardiac arrest is a leading cause of death in the United States and currently, therapeutic hypothermia, now called targeted temperature management (TTM), is the only recent treatment modality proven to increase survival rates and reduce morbidity for this condition. Shivering and subsequent metabolic stress, however, limits application and benefit of TTM. Stimulating CNS A1 adenosine receptors inhibits shivering and non-shivering thermogenesis in rats and induces a hibernation-like response in hibernating species...
June 26, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28652211/chop-negatively-regulates-polo-like-kinase-2-expression-via-recruiting-c-ebp%C3%AE-to-the-upstream-promoter-in-human-osteosarcoma-cell-line-during-er-stress
#5
Tao Shen, Yan Li, Zhiguang Chen, Shuang Liang, Zhouyang Guo, Ping Wang, Qijun Wu, Gen Ba, Qin Fu
Polo-like kinase 2 (Plk2) is a member of the serine/threonine protein kinase family involved in cell-cycle regulation and cellular response to stresses. However, the alteration of Plk2 in response to endoplasmic reticulum (ER) stress has not been well described. In the present study, we focused on the regulation of Plk2 regulation in response to ER stress. Plk2 expression was dramatically decreased under ER stress induced by brefeldin A (BFA), thapsigargin (TG), or tunicamycin (TM), and this down regulation of Plk2 expression was dependent on activating transcription factor 4 (ATF4) and C/EBP homology protein (CHOP)...
June 23, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28650232/pharmacokinetics-of-cyclophosphamide-and-4-hydroxycyclophosphamide-in-cats-after-oral-intravenous-and-intraperitoneal-administration-of-cyclophosphamide
#6
Katherine A Stroda, Jacqueline D Murphy, Ryan J Hansen, Lisa Brownlee, Elizabeth A Atencio, Daniel L Gustafson, Susan E Lana
OBJECTIVE To characterize pharmacokinetics of cyclophosphamide and 4-hydoxycyclophosphamide (4-OHCP) in the plasma of healthy cats after oral, IV, and IP administration of cyclophosphamide. ANIMALS 6 healthy adult cats. PROCEDURES Cats were randomly assigned to receive cyclophosphamide (200 mg/m(2)) via each of 3 routes of administration (oral, IV, and IP); there was a 30-day washout period between successive treatments. Plasma samples were obtained at various time points for up to 8 hours after administration...
July 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28649446/phenotypic-profiling-of-cftr-modulators-in-patient-derived-respiratory-epithelia
#7
Saumel Ahmadi, Zoltan Bozoky, Michelle Di Paola, Sunny Xia, Canhui Li, Amy P Wong, Leigh Wellhauser, Steven V Molinski, Wan Ip, Hong Ouyang, Julie Avolio, Julie D Forman-Kay, Felix Ratjen, Jeremy A Hirota, Johanna Rommens, Janet Rossant, Tanja Gonska, Theo J Moraes, Christine E Bear
Pulmonary disease is the major cause of morbidity and mortality in patients with cystic fibrosis, a disease caused by mutations in the Cystic Fibrosis Transmembrane conductance Regulator (CFTR) gene. Heterogeneity in CFTR genotype-phenotype relationships in affected individuals plus the escalation of drug discovery targeting specific mutations highlights the need to develop robust in vitro platforms with which to stratify therapeutic options using relevant tissue. Toward this goal, we adapted a fluorescence plate reader assay of apical CFTR-mediated chloride conductance to enable profiling of a panel of modulators on primary nasal epithelial cultures derived from patients bearing different CFTR mutations...
April 14, 2017: NPJ Genomic Medicine
https://www.readbyqxmd.com/read/28649132/reassessment-of-subacute-mptp-treated-mice-as-animal-model-of-parkinson-s-disease
#8
Qiu-Shuang Zhang, Yang Heng, Zheng Mou, Ju-Yang Huang, Yu-He Yuan, Nai-Hong Chen
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model remains the most commonly used animal model of Parkinson's disease (PD). There are three MPTP-treatment schemes: acute, subacute and chronic. Considering the advantages of the period and similarity to PD, the subacute model was often chosen to assess the validity of new candidates, but the changes caused by the subacute MPTP treatment and the appropriate positive control for this model remain to be further confirmed. The aim of this study was: 1 to estimate the value of the subacute MPTP mouse model in aspects of behavioral performance, biochemical changes and pathological abnormalities, and 2 to find effective positive drugs...
June 26, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28649128/lx2343-alleviates-cognitive-impairments-in-ad-model-rats-by-inhibiting-oxidative-stress-induced-neuronal-apoptosis-and-tauopathy
#9
Xiao-Dan Guo, Guang-Long Sun, Ting-Ting Zhou, Yi-Yang Wang, Xin Xu, Xiao-Fan Shi, Zhi-Yuan Zhu, Vatcharin Rukachaisirikul, Li-Hong Hu, Xu Shen
Alzheimer's disease (AD) is a progressive neurodegenerative disease leading to the irreversible loss of brain neurons and cognitive abilities, and the vicious interplay between oxidative stress (OS) and tauopathy is believed to be one of the major players in AD development. Here, we demonstrated the capability of the small molecule N-(1,3-benzodioxol-5-yl)-2-[5-chloro-2-methoxy(phenylsulfonyl)anilino]acetamide (LX2343) to ameliorate the cognitive dysfunction of AD model rats by inhibiting OS-induced neuronal apoptosis and tauopathy...
June 26, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28649127/the-novel-%C3%AE-glucan-ycp-improves-the-survival-rates-and-symptoms-in-septic-mice-by-regulating-myeloid-derived-suppressor-cells
#10
Dan Liu, Ming You, Guang-Feng Zhao, Xiu-Jun Li, Yu-Xian Song, Huan Dou, Wen-Bing Yao, Xiang-Dong Gao, Ya-Yi Hou
Sepsis is a life-threatening health condition that is initially characterized by uncontrolled inflammation, followed by the development of persistent immunosuppression. YCP is a novel α-glucan purified from the mycelium of the marine fungus Phoma herbarum YS4108, which has displayed strong antitumor activity via enhancing host immune responses. In this study, we investigated whether YCP could influence the development of sepsis in a mouse model. Caecal ligation and puncture (CLP)-induced sepsis was established in mice that were treated with YCP (20 mg/kg, ip or iv) 2 h before, 4 and 24 h after the CLP procedure, and then every other day...
June 26, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28648849/cellular-dead-box-rna-helicase-18-ddx18-promotes-the-prrsv-replication-via-interaction-with-virus-nsp2-and-nsp10
#11
Huan Jin, Lei Zhou, Xinna Ge, Han Zhang, Ruimin Zhang, Cong Wang, Li Wang, Zhibang Zhang, Hanchun Yang, Xin Guo
Porcine reproductive and respiratory syndrome virus (PRRSV) is an aetiological agent that can lead to reproductive failure and respiratory diseases of pigs. The replication and pathogenesis of PRRSV, although poorly understood, has been associated with the host factors. DDX18 is a member of DEAD-box RNA helicases (DDXs) family which were proved to participate in viral replication. Previously, we found the DDX18 interacts with both nsp2 and nsp10 of PRRSV by Co-Immunoprecipitation (Co-IP). In the present study, we demonstrated the interactions of DDX18 with nsp2 and nsp10, and located DDX18's binding regions as the N-terminus of nsp2 and both the N-terminus and C-terminus of nsp10...
June 22, 2017: Virus Research
https://www.readbyqxmd.com/read/28647850/wound-healing-protein-profiles-in-the-postoperative-exudate-of-bisphosphonate-related-osteonecrosis-of-mandible
#12
Soung Min Kim, Mi Young Eo, Yun Ju Cho, Yeon Sook Kim, Suk Keun Lee
Recurrent bacterial infections in cases of bisphosphonate-related osteonecrosis of jaw (BRONJ) frequently occur. Therefore, BRONJ are usually treated by radical saucerization followed by intensive antibiotic medications without bisphosphonate therapy. The postoperative exudate (POE) from BRONJ lesions may directly indicate the inflammatory status of osteomyelitis in patients, but so far, the POE has rarely been examined for its expression of various cytokines and wound healing proteins. A total of 27 cases of BRONJ, which involved the mandible, were selected and their individual POE collected 6 h, 1 day, and 2 days after surgical intervention was analyzed by immunoprecipitation high performance liquid chromatography (IP-HPLC)...
June 24, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28646899/immunoproteasome-deficiency-alters-microglial-cytokine-response-and-improves-cognitive-deficits-in-alzheimer-s-disease-like-appps1-mice
#13
Lisa K Wagner, Kate E Gilling, Eileen Schormann, Peter M Kloetzel, Frank L Heppner, Elke Krüger, Stefan Prokop
The immunoproteasome (iP) represents a specialized type of proteasomes, which plays an important role in the clearance of oxidant-damaged proteins under inflammatory and pathological conditions determining the outcome of various diseases. In Alzheimer's disease (AD)-like APPPS1 mice Aβ-deposition is paralleled by iP upregulation, most likely mediated through type I interferon induction. To define the impact of increased iP expression we crossed APPPS1 mice with mice deficient in the iP subunit LMP7 resulting in impaired iP function...
June 24, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28646324/expression-purification-and-characterization-of-gmz2-10c-a-complex-disulphide-bonded-fusion-protein-vaccine-candidate-against-the-asexual-and-sexual-life-stages-of-the-malaria-causing-plasmodium-falciparum-parasite
#14
Ulrik H Mistarz, Susheel K Singh, Tam T T N Nguyen, Will Roeffen, Fen Yang, Casper Lissau, Søren M Madsen, Astrid Vrang, Régis W Tiendrebeogo, Ikhlaq H Kana, Robert W Sauerwein, Michael Theisen, Kasper D Rand
PURPOSE: Production and characterization of a chimeric fusion protein (GMZ2'.10C) which combines epitopes of key malaria parasite antigens: glutamate-rich protein (GLURP), merozoite surface protein 3 (MSP3), and the highly disulphide bonded Pfs48/45 (10C). GMZ2'.10C is a potential candidate for a multi-stage malaria vaccine that targets both transmission and asexual life-cycle stages of the parasite. METHODS: GMZ2'.10C was produced in Lactococcus lactis and purified using either an immunoaffinity purification (IP) or a conventional purification (CP) method...
June 23, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28646317/di-n-butyl-phthalate-prompts-interruption-of-spermatogenesis-steroidogenesis-and-fertility-associated-with-increased-testicular-oxidative-stress-in-adult-male-rats
#15
Giribabu Nelli, Sreenivasula Reddy Pamanji
Di-n-butyl phthalate (DBP) is extensively used as plasticizer, and it was ubiquitary released into the environment. The present study was aimed to investigate the effect of DBP on reproductive competence in adult male rats. Adult male rats were received corn oil or DBP injection intraperitoneally (ip) at 100 and 500 mg/kg body weight on 90, 97, 104, and 111 days. Following completion of the experimental period, adult male rats were cohabitated with untreated proestrus female rats for determination of fertilization capacity...
June 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28644900/suppression-of-chikungunya-virus-replication-and-differential-innate-responses-of-human-peripheral-blood-mononuclear-cells-during-co-infection-with-dengue-virus
#16
Mariana Ruiz Silva, José A Aguilar Briseño, Vinit Upasani, Heidi van der Ende-Metselaar, Jolanda M Smit, Izabela A Rodenhuis-Zybert
Dengue and chikungunya are viral diseases transmitted to humans by infected Aedes spp. mosquitoes. With an estimated 390 million infected people per year dengue virus (DENV) currently causes the most prevalent arboviral disease. During the last decade chikungunya virus (CHIKV) has caused large outbreaks and has expanded its territory causing millions of cases in Asia, Africa and America. The viruses share a common mosquito vector and during the acute phase cause similar flu-like symptoms that can proceed to more severe or debilitating symptoms...
June 23, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28643821/non-invasive-approaches-in-the-diagnosis-of-acute-rejection-in-kidney-transplant-recipients-part-i-in-vivo-imaging-methods
#17
REVIEW
Oriane Hanssen, Pauline Erpicum, Pierre Lovinfosse, Paul Meunier, Laurent Weekers, Luaba Tshibanda, Jean-Marie Krzesinski, Roland Hustinx, François Jouret
Kidney transplantation (KTx) represents the best available treatment for patients with end-stage renal disease. Still, full benefits of KTx are undermined by acute rejection (AR). The diagnosis of AR ultimately relies on transplant needle biopsy. However, such an invasive procedure is associated with a significant risk of complications and is limited by sampling error and interobserver variability. In the present review, we summarize the current literature about non-invasive approaches for the diagnosis of AR in kidney transplant recipients (KTRs), including in vivo imaging, gene expression profiling and omics analyses of blood and urine samples...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28643725/a-7-year-old-female-child-of-incontinentia-pigmenti-presenting-with-vitreous-hemorrhage
#18
Sung-Ying Huang, Lee-Jen Chen, Sheng-Chun Chiu
Incontinentia pigmenti (IP) is a rare disease with multisystemic anomalies, which commonly presents just after birth. Here, we report a rare case of IP patient with vitreous hemorrhage in school-age children. Therefore, physicians have to be alert and evaluate IP patients at all ages. Regular ophthalmic follow-up is necessary, and fluorescein angiography should be performed if peripheral ischemia or neovascularization is suspected. The effect of peripheral laser ablation on peripheral retinal nonperfusion is not clear and merits further study...
June 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28642854/measurement-uncertainty-in-spine-bone-mineral-density-by-dual-energy-x-ray-absorptiometry
#19
Ae-Ja Park, Jun-Il Yoo, Jee-Hye Choi, Kyun Shik Chae, Chang Geun Kim, Dal Sik Kim
BACKGROUND: The purpose of this study was to calculate the measurement uncertainty of the process of bone mineral density (BMD) analysis using dual energy X-ray absorptiometry with traceability. METHODS: Between March 2015 and October 2016, among healthy participants in their 20s and 30s, the study included those who had not taken calcium, vitamin D supplements and steroids and were without a history of osteoporosis, osteopenia and diseases related to osteoporosis...
May 2017: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/28642682/neuritin-inhibits-notch-signaling-through-interacted-with-neuralized-to-promote-the-neurite-growth
#20
Pan Zhang, Xing Luo, Zheng Guo, Anying Xiong, Hongchang Dong, Qiao Zhang, Chunyan Liu, Jingling Zhu, Haiyan Wang, Na Yu, Jinli Zhang, Yu Hong, Lei Yang, Jin Huang
Neuritin plays a key role in neural development and regeneration by promoting neurite outgrowth and synapse maturation. However, the mechanism of neuritin in modulating neurite growth has not been elucidated. Here, using yeast two-hybrid we screened and discovered the interaction of neuritin and neuralized (NEURL1), which is an important regulator that can activate Notch signaling through promoting endocytosis of Notch ligand. And then we identified the interaction of neuritin and neuralized by co-immunoprecipitation (IP) assays, and clarified that neuritin and NEURL1 were co-localized on the cell membrane of SH-SY5Y cells...
2017: Frontiers in Molecular Neuroscience
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