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https://www.readbyqxmd.com/read/28230058/macrophage-migration-inhibitory-factor-is-subjected-to-glucose-modification-and-oxidation-in-alzheimer-s-disease
#1
Omar Kassaar, Marta Pereira Morais, Suying Xu, Emily L Adam, Rosemary C Chamberlain, Bryony Jenkins, Tony James, Paul T Francis, Stephen Ward, Robert J Williams, Jean van den Elsen
Glucose and glucose metabolites are able to adversely modify proteins through a non-enzymatic reaction called glycation, which is associated with the pathology of Alzheimer's Disease (AD) and is a characteristic of the hyperglycaemia induced by diabetes. However, the precise protein glycation profile that characterises AD is poorly defined and the molecular link between hyperglycaemia and AD is unknown. In this study, we define an early glycation profile of human brain using fluorescent phenylboronate gel electrophoresis and identify early glycation and oxidation of macrophage migration inhibitory factor (MIF) in AD brain...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28226411/the-control-of-eye-movements-by-the-cerebellar-nuclei-polysynaptic-projections-from-the-fastigial-interpositus-posterior-and-dentate-nuclei-to-lateral-rectus-motoneurons-in-primates
#2
Vincent Prevosto, Werner Graf, Gabriella Ugolini
Premotor circuits driving extraocular motoneurons and downstream motor outputs of cerebellar nuclei are well known. However, there is, as yet, no unequivocal account of cerebellar output pathways controlling eye movements in primates. Using retrograde transneuronal transfer of rabies virus from the lateral rectus (LR) eye muscle, we studied polysynaptic pathways to LR motoneurons in primates. Injections were placed either into the central or distal muscle portion, to identify innervation differences of LR motoneurons supplying singly innervated (SIFs) or multiply innervated muscle fibers (MIFs)...
February 22, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28221367/transcriptomic-analyses-and-leukocyte-telomere-length-measurement-in-subjects-exposed-to-severe-recent-stressful-life-events
#3
N Lopizzo, S Tosato, V Begni, S Tomassi, N Cattane, M Barcella, G Turco, M Ruggeri, M A Riva, C M Pariante, A Cattaneo
Stressful life events occurring in adulthood have been found able to affect mood and behavior, thus increasing the vulnerability for several stress-related psychiatric disorders. However, although there is plenty of clinical data supporting an association between stressful life events in adulthood and an enhanced vulnerability for psychopathology, the underlying molecular mechanisms are still poorly investigated. Thus, in this study we performed peripheral/whole-genome transcriptomic analyses in blood samples obtained from 53 adult subjects characterized for recent stressful life events occurred within the previous 6 months...
February 21, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28218903/macrophage-migration-inhibitory-factor-downregulation-a-novel-mechanism-of-resistance-to-anti-angiogenic-therapy
#4
B A Castro, P Flanigan, A Jahangiri, D Hoffman, W Chen, R Kuang, M De Lay, G Yagnik, J R Wagner, S Mascharak, M Sidorov, S Shrivastav, G Kohanbash, H Okada, M K Aghi
Anti-angiogenic therapies for cancer such as VEGF neutralizing antibody bevacizumab have limited durability. While mechanisms of resistance remain undefined, it is likely that acquired resistance to anti-angiogenic therapy will involve alterations of the tumor microenvironment. We confirmed increased tumor-associated macrophages in bevacizumab-resistant glioblastoma patient specimens and two novel glioblastoma xenograft models of bevacizumab resistance. Microarray analysis suggested downregulated macrophage migration inhibitory factor (MIF) to be the most pertinent mediator of increased macrophages...
February 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28208600/invariant-chain-complexes-and-clusters-as-platforms-for-mif-signaling
#5
REVIEW
Robert Lindner
Invariant chain (Ii/CD74) has been identified as a surface receptor for migration inhibitory factor (MIF). Most cells that express Ii also synthesize major histocompatibility complex class II (MHC II) molecules, which depend on Ii as a chaperone and a targeting factor. The assembly of nonameric complexes consisting of one Ii trimer and three MHC II molecules (each of which is a heterodimer) has been regarded as a prerequisite for efficient delivery to the cell surface. Due to rapid endocytosis, however, only low levels of Ii-MHC II complexes are displayed on the cell surface of professional antigen presenting cells and very little free Ii trimers...
February 10, 2017: Cells
https://www.readbyqxmd.com/read/28199208/macrophage-migration-inhibitory-factor-sirna-inhibits-hepatic-metastases-of-colorectal-cancer-cells
#6
Li-Hao Wu, Harry Hua-Xiang Xia, Wei-Qing Ma, Hao-Jie Zhong, Hui-Xian Xu, Ya-Min Wang, Rong-Jiao Yang, Li-Jing Wang, Yu Chen, Lan Li, Xing-Xiang He
The purpose of this study was to assess the anti-tumor effects of macrophage migration inhibitory factor (MIF) siRNA on colorectal cancer in a mouse xenograft model. MIF specific siRNA (MIF siRNA) or a nonspecific control siRNA was introduced to murine colorectal cancer CT-26 cells. Mouse xenograft models of colorectal cancer were established. MIF siRNA, control siRNA or water was injected twice a week intravenously for 4 weeks. MIF siRNA inhibited the proliferation and migration, while induced apoptosis of CT-26 cells in vitro...
March 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28191280/macrophage-migration-inhibitory-factor-as-an-emerging-drug-target-to-regulate-antioxidant-response-element-system
#7
REVIEW
Hiroshi Yukitake, Masayuki Takizawa, Haruhide Kimura
Oxidative stress is involved in pathophysiology and pathological conditions of numerous human diseases. Thus, understanding the mechanisms underlying the redox homeostasis in cells and organs is valuable for discovery of therapeutic drugs for oxidative stress-related diseases. Recently, by applying chemical biology approach with an ARE activator, BTZO-1, we found macrophage migration inhibitory factor (MIF) as a new regulator of antioxidant response element- (ARE-) mediated gene transcription. BTZO-1 and its active derivatives bound to MIF and protected cells and organs from oxidative insults via ARE activation in animal models with oxidative stress such as ischemia/reperfusion injury, inflammatory bowel diseases, and septic shock...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28188039/inflammation-factors-in-hepatoblastoma-and-their-clinical-significance-as-diagnostic-and-prognostic-biomarkers
#8
Fei Guo, Qin Ru, Junjie Zhang, Shen He, Jiekai Yu, Shu Zheng, Jiaxiang Wang
PURPOSE: The aims of this study were to identify inflammation factors in hepatoblastoma tissue that correlated with different clinical characteristics, and to explore the probability as predictive biomarkers for diagnosis and prognosis. METHODS: SELDI-TOF-MS was performed to screen protein peaks that were significantly highly expressed in tumor tissue compared with adjacent liver tissue. After removing proteins larger than 30kDa, the targeted peaks were separated by solid phase extraction and tricine-SDS-PAGE...
February 1, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28179905/plasma-levels-of-macrophage-migration-inhibitory-factor-and-d-dopachrome-tautomerase-show-a-highly-specific-profile-in-early-life
#9
Thierry Roger, Luregn J Schlapbach, Anina Schneider, Manuela Weier, Sven Wellmann, Patrick Marquis, David Vermijlen, Fred C G J Sweep, Lin Leng, Richard Bucala, Thierry Calandra, Eric Giannoni
Macrophage migration inhibitory factor (MIF) is a pleiotropic, constitutively expressed, pro-inflammatory cytokine and an important regulator of immune responses. d-dopachrome tautomerase (DDT), a newly described member of the MIF protein superfamily, shares sequence homology and biological activities with MIF. We recently reported that high expression levels of MIF sustain innate immune responses in newborns. Here, we elected to further characterize age-dependent MIF expression and to define whether DDT shares a similar expression profile with MIF...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28177603/pro-inflammatory-and-pro-fibrogenic-effects-of-ionic-and-particulate-arsenide-and-indium-containing-semiconductor-materials-in-the-murine-lung
#10
Wen Jiang, Xiang Wang, Olivia J Osborne, Yingjie Du, Chong Hyun Chang, Yu-Pei Liao, Bingbing Sun, Jinhong Jiang, Zhaoxia Ji, Ruibin Li, Xiangsheng Liu, Jianqin Lu, Sijie Lin, Huan Meng, Tian Xia, André E Nel
We have recently shown that the toxicological potential of GaAs and InAs particulates in cells is size- and dissolution-dependent, tending to be more pronounced for nano- vs micron-sized particles. Whether the size-dependent dissolution and shedding of ionic III-V materials also apply to pulmonary exposure is unclear. While it has been demonstrated that micron-sized III-V particles, such as GaAs and InAs, are capable of inducing hazardous pulmonary effects in an occupational setting as well as in animal studies, the effect of submicron particles (e...
February 8, 2017: ACS Nano
https://www.readbyqxmd.com/read/28161708/alterations-of-macrophage-migration-inhibitory-factor-expression-in-the-nervous-system-of-the-rat-cystitis-model
#11
Kwang Woo Lee, Woong Bin Kim, Sang Wook Lee, Jae Heon Kim, Jun Mo Kim, Young Ho Kim, Min Eui Kim
OBJECTIVE: We evaluated the changes in the migration inhibitory factor (MIF) expression with time in the bladder and spinal cord of a Sprague-Dawley rat cystitis model. METHODS: The bladder created by injecting lipopolysaccharide (LPS) and the lumbosacral spinal cord were removed at 4, 24, and 48 h, and 7 days after the induction of chronic cystitis, and 24 h after the induction of acute cystitis. The MIF expression was estimated using immunohistochemical staining, and the MIF mRNA was quantitatively analyzed using real-time polymerase chain reaction...
February 4, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28160516/macrophage-migration-inhibitory-factor-promoter-polymorphisms-794catt5-7-as-potential-biomarker-for-early-stage-cervical-cancer
#12
Suhui Wu, Jingfen Sun, Junfang Lian, Haixia Shang, Huijuan Tao, Jun Xie, Weifeng Lin
AIM: The objective was to investigate the correlation between macrophage migration inhibitory factor (MIF) promoter polymorphisms (-794CATT5-7 ) and early-stage cervical cancer (ESCC) and to identify a potential biomarker for ESCC. METHODS: A hospital-based case-control study was performed. The case group contained 250 patients with histologically confirmed ESCC. The control group included 147 healthy women. Polymerase chain reaction-single strand conformation polymorphism was used to genotype polymorphisms of MIF promoter -794CATT5-7 ...
February 4, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28145161/repetitive-ischemia-increases-myocardial-dimethylarginine-dimethylaminohydrolase-1-expression
#13
Ping Zhang, John T Fassett, Guangshuo Zhu, Jingxin Li, Xinli Hu, Xin Xu, Yingjie Chen, Robert J Bache
Pharmacologic inhibition of nitric oxide production inhibits growth of coronary collateral vessels. Dimethylarginine dimethylaminohydrolase 1 (DDAH1) is the major enzyme that degrades asymmetric dimethylarginine (ADMA), a potent inhibitor of nitric oxide synthase. Here we examined regulation of the ADMA-DDAH1 pathway in a canine model of recurrent myocardial ischemia during the time when coronary collateral growth is known to occur. Under basal conditions, DDAH1 expression was non-uniform across the left ventricular (LV) wall, with expression strongest in the subepicardium...
January 1, 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28142108/homeopathic-medicine-cantharis-modulates-uropathogenic-e-coli-upec-induced-cystitis-in-susceptible-mice
#14
Cidéli de Paula Coelho, Priscilla Dias Motta, Mariana Petrillo, Renata de Oliveira Iovine, Luciane Costa Dalboni, Fabiana Rodrigues Santana, Michelle Sanchez Freitas Correia, Renato Corrêa Viana Casarin, Vania Maria Carvalho, Leoni Villano Bonamin
OBJECTIVE: This is a random blinded placebo controlled murine experimental model to study the effects of Cantharis 6 CH, a homeopathic medicine, on E coli-induced cystitis. METHODS: 24 adult susceptible female BALB/c mice were inoculated with E coli - UPEC O4:K-:H5 by a transurethral catheter. Cantharis 6cH or vehicle (placebo) was offered to mice by free access into the drinking water (1:100), during 24 h after infection. Spleen, bladder and kidneys were processed for quantitative histopathology after immunohistochemistry, using anti-CD3, CD79, MIF, NK and VEGF antibodies; the cytokines present in the bladder washing fluid were measured using a LUMINEX-Magpix KIT...
January 28, 2017: Cytokine
https://www.readbyqxmd.com/read/28128527/sulphur-cycling-in-a-neoarchaean-microbial-mat
#15
N R Meyer, A L Zerkle, D A Fike
Multiple sulphur (S) isotope ratios are powerful proxies to understand the complexity of S biogeochemical cycling through Deep Time. The disappearance of a sulphur mass-independent fractionation (S-MIF) signal in rocks <~2.4 Ga has been used to date a dramatic rise in atmospheric oxygen levels. However, intricacies of the S-cycle before the Great Oxidation Event remain poorly understood. For example, the isotope composition of coeval atmospherically derived sulphur species is still debated. Furthermore, variation in Archaean pyrite δ(34) S values has been widely attributed to microbial sulphate reduction (MSR)...
January 27, 2017: Geobiology
https://www.readbyqxmd.com/read/28121629/identification-of-serum-proteins-and-multivariate-models-for-diagnosis-and-therapeutic-monitoring-of-lung-cancer
#16
Rong Ma, Heng Xu, Jianzhong Wu, Ashok Sharma, Shan Bai, Boying Dun, Changwen Jing, Haixia Cao, Zhuo Wang, Jin-Xiong She, Jifeng Feng
Lung cancer is one of the most prevalent cancers and has very poor treatment outcome. Biomarkers useful for screening and assessing early therapeutic response may significantly improve the therapeutic outcome but are still lacking. In this study, serum samples from 218 non-small cell lung cancer (NSCLC) patients, 34 small cell lung cancer (SCLC) patients and 171 matched healthy controls from China were analyzed for 11 proteins using the Luminex multiplex assay. Eight of the 11 proteins (OPN, SAA, CRP, CYFRA21...
January 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28114961/mif-cd74-axis-is-a-target-for-novel-therapies-in-colon-carcinomatosis
#17
Fabio Bozzi, Angela Mogavero, Luca Varinelli, Antonino Belfiore, Giacomo Manenti, Claudio Caccia, Chiara C Volpi, Galina V Beznoussenko, Massimo Milione, Valerio Leoni, Annunziata Gloghini, Alexandre A Mironov, Ermanno Leo, Silvana Pilotti, Marco A Pierotti, Italia Bongarzone, Manuela Gariboldi
BACKGROUND: Strategies aimed at obtaining a complete cytoreduction are needed to improve long-term survival for patients with colorectal cancer peritoneal carcinomatosis (CRC-pc). METHODS: We established organoid models from peritoneal metastases of two naïve CRC patients. A standard paraffin inclusion was conducted to compare their 3D structure and immunohistochemical profile with that of the corresponding surgical samples. RNA expression levels of the CRC stem cell marker LGR5 was measured by in situ hybridization...
January 23, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28113440/matrix-inversion-free-compressed-sensing-with-variable-orthogonal-multi-matching-pursuit-based-on-prior-information-for-ecg-signals
#18
Yih-Chun Cheng, Pei-Yun Tsai, Ming-Hao Huang
Low-complexity compressed sensing (CS) techniques for monitoring electrocardiogram (ECG) signals in wireless body sensor network (WBSN) are presented. The prior probability of ECG sparsity in the wavelet domain is first exploited. Then, variable orthogonal multi-matching pursuit (vOMMP) algorithm that consists of two phases is proposed. In the first phase, orthogonal matching pursuit (OMP) algorithm is adopted to effectively augment the support set with reliable indices and in the second phase, the orthogonal multi-matching pursuit (OMMP) is employed to rescue the missing indices...
May 19, 2016: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28105287/systematic-study-of-effects-of-structural-modifications-on-the-aqueous-solubility-of-drug-like-molecules
#19
José A Cisneros, Michael J Robertson, Brandon Q Mercado, William L Jorgensen
Aqueous solubilities and activities have been measured for 17 members of the quinolinyltriazole series of inhibitors of human macrophage migration inhibitory factor (MIF). Systematic variation of a solvent-exposed substituent provided increases in solubility from 2 μg/mL for the parent compound 3a up to 867 μg/mL. The low solubility of 3a results from its near-planar structure and an intermolecular hydrogen bond, as revealed in a small-molecule X-ray structure. Removal of the hydrogen bond yields a 3-fold increase in solubility, but a 7-fold drop in activity...
January 12, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28092743/stable-isotope-composition-of-mercury-forms-in-flue-gases-from-a-typical-coal-fired-power-plant-inner-mongolia-northern-china
#20
Shunlin Tang, Chaohui Feng, Xinbin Feng, Jianming Zhu, Ruoyu Sun, Huipeng Fan, Lina Wang, Ruiyang Li, Tonghua Mao, Ting Zhou
Mercury forms emitted from coal combustion via air pollution control devices are speculated to carry different Hg isotope signatures. Yet, their Hg isotope composition is still not reported. Here, we present the first onsite Hg isotope data for gaseous elemental Hg (GEM) and gaseous oxidized Hg (GOM) of flue gases from a typical lignite-fired power plant (CFPP). Significant mass dependent fractionation (MDF) and insignificant mass independent fractionation (MIF) are observed between feed coal and coal combustion products...
January 11, 2017: Journal of Hazardous Materials
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