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https://www.readbyqxmd.com/read/28803512/heterogeneous-pathological-processes-account-for-thalamic-degeneration-in-multiple-sclerosis-insights-from-7%C3%A2-t-imaging
#1
Céline Louapre, Sindhuja T Govindarajan, Costanza Giannì, Nancy Madigan, Jacob A Sloane, Constantina A Treaba, Elena Herranz, Revere P Kinkel, Caterina Mainero
BACKGROUND: Thalamic degeneration impacts multiple sclerosis (MS) prognosis. OBJECTIVE: To investigate heterogeneous thalamic pathology, its correlation with white matter (WM), cortical lesions and thickness, and as function of distance from cerebrospinal fluid (CSF). METHODS: In 41 MS subjects and 17 controls, using 3 and 7 T imaging, we tested for (1) differences in thalamic volume and quantitative T2* (q-T2*) (2) globally and (3) within concentric bands originating from the CSF/thalamus interface; (4) the relation between thalamic, cortical, and WM metrics; and (5) the contribution of magnetic resonance imaging (MRI) metrics to clinical scores...
August 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28802833/new-pro-resolving-n-3-mediators-bridge-resolution-of-infectious-inflammation-to-tissue-regeneration
#2
REVIEW
Charles N Serhan, Nan Chiang, Jesmond Dalli
While protective, the acute inflammatory response when uncontrolled can lead to further tissue damage and chronic inflammation that is now widely recognized to play important roles in many commonly occurring diseases, such as cardiovascular disease, neurodegenerative diseases, metabolic syndrome, and many other diseases of significant public health concern. The ideal response to initial challenges of the host is complete resolution of the acute inflammatory response, which is now recognized to be a biosynthetically active process governed by specialized pro-resolving mediators (SPM)...
August 9, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28801580/immune-responses-against-helicobacter-pylori-specific-antigens-differentiate-relapsing-remitting-from-secondary-progressive-multiple-sclerosis
#3
Georgios Efthymiou, Efthymios Dardiotis, Christos Liaskos, Emmanouela Marou, Vana Tsimourtou, Eirini I Rigopoulou, Thomas Scheper, Alexandros Daponte, Wolfgang Meyer, Lazaros I Sakkas, Georgios Hadjigeorgiou, Dimitrios P Bogdanos
To assess whether Helicobacter pylori (Hp) antibody (ab) reactivity against individual Hp antigens is pathogenetically relevant to multiple sclerosis (MS), we systematically investigated prevalence and clinical significance of abs against 14 immunodominant and subdominant Hp antigens by ELISA and immunoblotting in 139 consecutive MS patients with relapsing-remitting (RRMS, n = 102) or secondary progressive (SPMS, n = 37). Sera from 39 patients with Parkinson's disease (PD), 21 with Alzheimer's disease (ALZ) and 68 healthy controls (HCs), were also tested...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28794248/anti-inflammatory-disease-modifying-treatment-and-short-term-disability-progression-in-spms
#4
Johannes Lorscheider, Vilija G Jokubaitis, Tim Spelman, Guillermo Izquierdo, Alessandra Lugaresi, Eva Havrdova, Dana Horakova, Maria Trojano, Pierre Duquette, Marc Girard, Alexandre Prat, François Grand'Maison, Pierre Grammond, Eugenio Pucci, Cavit Boz, Patrizia Sola, Diana Ferraro, Daniele Spitaleri, Jeanette Lechner-Scott, Murat Terzi, Vincent Van Pesch, Gerardo Iuliano, Roberto Bergamaschi, Cristina Ramo-Tello, Franco Granella, Celia Oreja-Guevara, Helmut Butzkueven, Tomas Kalincik
OBJECTIVE: To investigate the effect of disease-modifying treatment on short-term disability outcomes in secondary progressive multiple sclerosis (SPMS). METHODS: Using MSBase, an international cohort study, we previously validated a highly accurate definition of SPMS. Here, we identified patients in MSBase who were either untreated or treated with a disease-modifying drug when meeting this definition. Propensity score matching was used to select subpopulations with comparable baseline characteristics...
August 9, 2017: Neurology
https://www.readbyqxmd.com/read/28777826/cerebrospinal-fluid-b-cells-and-disease-progression-in-multiple-sclerosis-a-longitudinal-prospective-study
#5
Sebastian Wurth, Bettina Kuenz, Gabriel Bsteh, Rainer Ehling, Franziska Di Pauli, Harald Hegen, Michael Auer, Viktoria Gredler, Florian Deisenhammer, Markus Reindl, Thomas Berger
BACKGROUND: There is evidence that B cells play an important role in disease pathology of multiple sclerosis (MS). The aim of this prospective observational study was to determine the predictive value of cerebrospinal fluid (CSF) B cell subtypes in disease evolution of patients with MS. MATERIALS AND METHODS: 128 patients were included between 2004 and 2012. Median follow up time was 7.9 years (range 3.3-10.8 years). 10 patients were lost to follow-up. 32 clinically isolated syndrome- (CIS), 25 relapsing remitting MS- (RRMS), 2 secondary progressive MS- (SPMS) and 9 primary progressive MS- (PPMS) patients were included...
2017: PloS One
https://www.readbyqxmd.com/read/28767146/a-randomised-trial-of-effects-of-alcohol-on-cytochrome-p450-eicosanoids-mediators-of-inflammation-resolution-and-blood-pressure-in-men
#6
Anne E Barden, Venus Chavez, Michael Phillips, Emilie Mas, Lawrence J Beilin, Kevin D Croft, Trevor A Mori, Ian B Puddey
BACKGROUND: Cardiovascular effects of alcohol consumption may be influenced by both pro- and anti-inflammatory mechanisms. We previously showed that chronic alcohol consumption increased blood pressure (BP), oxidative stress and 20-hydroxyeicosatetraenoic acid (20-HETE), a vasoconstrictor and pro-inflammatory eicosanoid synthesised by CYP450 enzymes from arachidonic acid. This study in men examined the effect of consuming red wine (RW) on BP in relation to changes in 20-HETE, oxidative stress (F2 -isoprostanes), markers of inflammation, anti-inflammatory CYP450 epoxyeicosatrienoic acids (EETs) and specialised pro-resolving mediators of inflammation (SPMs) derived from eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA)...
August 2, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28765512/a-cluster-of-immunoresolvents-links-coagulation-to-innate-host-defense-in-human-blood
#7
Paul C Norris, Stephania Libreros, Nan Chiang, Charles N Serhan
Blood coagulation is a protective response that prevents excessive bleeding upon blood vessel injury. We investigated the relationship between coagulation and the resolution of inflammation and infection by lipid mediators (LMs) through metabololipidomics-based profiling of human whole blood (WB) during coagulation. We identified temporal clusters of endogenously produced prothrombotic and proinflammatory LMs (eicosanoids), as well as specialized proresolving mediators (SPMs). In addition to eicosanoids, a specific SPM cluster was identified that consisted of resolvin E1 (RvE1), RvD1, RvD5, lipoxin B4, and maresin 1, each of which was present at bioactive concentrations (0...
August 1, 2017: Science Signaling
https://www.readbyqxmd.com/read/28727882/corneal-confocal-microscopy-an-imaging-endpoint-for-axonal-degeneration-in-multiple-sclerosis
#8
Ioannis N Petropoulos, Saadat Kamran, Yi Li, Adnan Khan, Georgios Ponirakis, Naveed Akhtar, Dirk Deleu, Ashfaq Shuaib, Rayaz A Malik
Purpose: To evaluate whether corneal confocal microscopy (CCM) detects axonal degeneration and whether this is associated with retinal nerve fiber degeneration and clinical disability in patients with multiple sclerosis (MS). Methods: Twenty-five patients with MS and 25 healthy control subjects underwent CCM, optical coherence tomography (OCT), and assessment of neurological disability using the expanded disability status scale (EDSS) and MS severity score (MSSS)...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28717429/circulating-concentrations-of-interleukin-il-17-in-patients-with-multiple-sclerosis-evaluation-of-the-effects-of-gender-treatment-disease-patterns-and-il-23-receptor-gene-polymorphisms
#9
Seyed Ali Ghaffari, Maryam Nemati, Hossain Hajghani, Hossainali Ebrahimi, Abdolkarim Sheikhi, Abdollah Jafarzadeh
Background: Interleukin (IL)-17/IL-23 axis performs a prominent role in the pathogenesis of several autoimmune disorders. This study aimed to investigate the concentrations of IL-17 in patients with multiple sclerosis (MS) and its relationship with gender, medication, disease forms and single nucleotide polymorphisms (SNP) in IL-23R gene, including rs11209026 and rs1004819. Methods: The blood specimens were obtained from 135 healthy individuals and 135 MS patients. The patients exhibited relapsing-remitting (RRMS; n = 65), primary progressive (PPMS; n = 19), secondary progressive (SPMS; n = 35) or progressive relapsing (PRMS; n = 14) MS...
January 5, 2017: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/28709798/risk-of-second-primary-malignancies-in-patients-with-follicular-lymphoma-a-united-states-population-based-study
#10
Smith Giri, Vijaya Raj Bhatt, Vivek Verma, Ranjan Pathak, R Gregory Bociek, Julie M Vose, James O Armitage
BACKGROUND: With the improving outcomes of patients with follicular lymphoma (FL), it is imperative to focus on survivorship issues, including the development of second primary malignancies (SPMs). We used a large US database to measure the risk of SPMs among FL survivors. MATERIALS AND METHODS: We used the Surveillance, Epidemiology, and End Results-13 registry to identify FL patients from 1992 to 2011. We calculated the risk of SPMs, developing ≥ 6 months after diagnosis, using the standardized incidence ratio (SIR) and absolute excess risk...
June 24, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28703659/cost-effectiveness-analysis-of-ocrelizumab-versus-subcutaneous-interferon-beta-1a-for-the-treatment-of-relapsing-multiple-sclerosis
#11
Hongbo Yang, Emilie Duchesneau, Rebekah Foster, Annie Guerin, Esprit Ma, Nina P Thomas
AIM: To conduct a cost-effectiveness analysis to compare ocrelizumab vs subcutaneous (SC) interferon beta-1a for the treatment of relapsing multiple sclerosis (RMS). METHODS: A Markov cohort model with a 20-year horizon was developed to compare ocrelizumab with SC interferon beta-1a from a US payer perspective. A cohort of patients with relapsing-remitting MS (RRMS) and Expanded Disability Status Scale (EDSS) scores of 0-6, who initiated treatment with ocrelizumab or SC interferon beta-1a, were entered into the model...
July 31, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28680916/lipoic-acid-in-secondary-progressive-ms-a-randomized-controlled-pilot-trial
#12
Rebecca Spain, Katherine Powers, Charles Murchison, Elizabeth Heriza, Kimberly Winges, Vijayshree Yadav, Michelle Cameron, Ed Kim, Fay Horak, Jack Simon, Dennis Bourdette
OBJECTIVE: To determine whether lipoic acid (LA), an endogenously produced antioxidant, slowed the whole-brain atrophy rate and was safe in secondary progressive MS (SPMS). METHODS: Patients with SPMS aged 40-70 years enrolled in a single center, 2-year, double-blind, randomized trial of daily oral 1,200 mg LA vs placebo. Primary outcome was change in annualized percent change brain volume (PCBV). Secondary outcomes were changes in rates of atrophy of segmented brain, spinal cord, and retinal substructures, disability, quality of life, and safety...
September 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28680772/first-clinical-report-on-comparative-treatment-and-survival-outcomes-in-second-cancers-after-primary-head-and-neck-cancer-a-population-based-study
#13
Xin Wang, Elizabeth A Mauer, Paul Christos, Julia Manzerova, A Gabriella Wernicke, Bhupesh Parashar
INTRODUCTION: To compare patients' survival of second primary malignancy (SPM) after head and neck squamous cell carcinoma (HNSCC). METHODS: The Surveillance, Epidemiology, and End Results (SEER) database was utilized (1973-2011). The Kaplan-Meier method with log-rank test was used to compare the overall survival (OS) and cause-specific survival (CSS) among treatment methods from the time of diagnosis of SPMs. Cox proportional regression models were used to adjust the impact for risk factors on CSS...
May 29, 2017: Curēus
https://www.readbyqxmd.com/read/28658986/ocrelizumab-a-b-cell-depleting-therapy-for-multiple-sclerosis
#14
Dejan Jakimovski, Bianca Weinstock-Guttman, Murali Ramanathan, Channa Kolb, David Hojnacki, Alireza Minagar, Robert Zivadinov
Multiple sclerosis (MS) is the most common neurological disease responsible for early disability in the young working population. In the last two decades, based on retrospective/prospective data, the use of disease-modifying therapies has been shown to slow the rate of disability progression and prolonged the time to conversion into secondary-progressive MS (SPMS). However, despite the availability of several approved therapies, disability progression cannot be halted significantly in all MS patients. Areas covered: This article reviews the immunopathology of the B-cells, and their role in pathogenesis of MS and their attractiveness as a potential therapeutic target in MS...
July 3, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28644755/a-contemporary-examination-of-first-and-second-permanent-molar-emergence
#15
B T Pahel, W F Vann, K Divaris, R G Rozier
The emergence of first permanent molars (FPMs) and second permanent molars (SPMs) is an important developmental milestone influencing caries risk and the timing of sealant placement. Emergence times have been shown to vary by sex and race/ethnicity, while recent reports suggest a positive association with adiposity. Amid the changing demographics of the US population and the rising rates of pediatric overweight/obesity, we sought to examine the association of body mass index (BMI) with FPM/SPM emergence in a representative sample of US children and adolescents...
June 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28641926/targeting-the-gm-csf-receptor-for-the-treatment-of-cns-autoimmunity
#16
Igal Ifergan, Todd S Davidson, Hania Kebir, Dan Xu, Daphne Palacios-Macapagal, Jennifer Cann, Jane M Rodgers, Zoe N Hunter, Camille L Pittet, Sara Beddow, Clare A Jones, Alexandre Prat, Matthew A Sleeman, Stephen D Miller
In multiple sclerosis (MS), there is a growing interest in inhibiting the pro-inflammatory effects of granulocyte-macrophage colony-stimulating factor (GM-CSF). We sought to evaluate the therapeutic potential and underlying mechanisms of GM-CSF receptor alpha (Rα) blockade in animal models of MS. We show that GM-CSF signaling inhibition at peak of chronic experimental autoimmune encephalomyelitis (EAE) results in amelioration of disease progression. Similarly, GM-CSF Rα blockade in relapsing-remitting (RR)-EAE model prevented disease relapses and inhibited T cell responses specific for both the inducing and spread myelin peptides, while reducing activation of mDCs and inflammatory monocytes...
June 19, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28622533/intrathecal-igm-index-correlates-with-a-severe-disease-course-in-multiple-sclerosis-clinical-and-mri-results
#17
Serkan Ozakbas, Bilge Piri Cinar, Pinar Özcelik, Hatice Baser, Gorkem Kosehasanoğullari
OBJECTIVES: Intrathecally synthesized IgM can be seen not only in the cerebrospinal fluid (CSF) in infectious and inflammatory diseases of the central nervous system, but also in that of patients with multiple sclerosis (MS). Intrathecal IgM synthesis in MS seems to be correlated with an unfavorable disease course. In one cross-sectional study, intrathecal synthesis of IgM (IgM index) was found to be correlated with cranial magnetic resonance imaging (MRI) parameters. The purpose of this study was to determine the possible relationship between the IgM index and MRI and clinical parameters...
September 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28620687/identification-and-characterization-of-a-biosynthetic-gene-cluster-for-tryptophan-dimers-in-deep-sea-derived-streptomyces-sp-scsio-03032
#18
Liang Ma, Wenjun Zhang, Yiguang Zhu, Guangtao Zhang, Haibo Zhang, Qingbo Zhang, Liping Zhang, Chengshan Yuan, Changsheng Zhang
Tryptophan dimers (TDs) are an important class of natural products with diverse bioactivities and share conserved biosynthetic pathways. We report the identification of a partial gene cluster (spm) responsible for the biosynthesis of a class of unusual TDs with non-planar skeletons including spiroindimicins (SPMs), indimicins (IDMs), and lynamicins (LNMs) from the deep-sea derived Streptomyces sp. SCSIO 03032. Bioinformatics analysis, targeted gene disruptions, and heterologous expression studies confirmed the involvement of the spm gene cluster in the biosynthesis of SPM/IDM/LNMs, and revealed the indispensable roles for the halogenase/reductase pair SpmHF, the amino acid oxidase SpmO, and the chromopyrrolic acid (CPA) synthase SpmD, as well as the positive regulator SpmR and the putative transporter SpmA...
June 15, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28608917/elevated-risk-of-human-papillomavirus-related-second-cancers-in-survivors-of-anal-canal-cancer
#19
Rebecca A Nelson, Lily L Lai
BACKGROUND: Over the last decade, the causal link between human papillomavirus (HPV) infection and squamous cell carcinoma of the anus (SCCA) has been well described. Because HPV infection in one site is often associated with other sites of infection, it then follows that patients with SCCA may have an increased risk of additional HPV-related cancers. Identifying and targeting at-risk sites through cancer screening and surveillance may help to guide best practices. The current study sought to ascertain sites and risk of HPV-related second primary malignancies (SPMs) in survivors of SCCA...
June 13, 2017: Cancer
https://www.readbyqxmd.com/read/28603479/mri-analysis-of-white-matter-myelin-water-content-in-multiple-sclerosis-a-novel-approach-applied-to-finding-correlates-of-cortical-thinning
#20
Michael Dayan, Sandra M Hurtado Rúa, Elizabeth Monohan, Kyoko Fujimoto, Sneha Pandya, Eve M LoCastro, Tim Vartanian, Thanh D Nguyen, Ashish Raj, Susan A Gauthier
A novel lesion-mask free method based on a gamma mixture model was applied to myelin water fraction (MWF) maps to estimate the association between cortical thickness and myelin content, and how it differs between relapsing-remitting (RRMS) and secondary-progressive multiple sclerosis (SPMS) groups (135 and 23 patients, respectively). It was compared to an approach based on lesion masks. The gamma mixture distribution of whole brain, white matter (WM) MWF was characterized with three variables: the mode (most frequent value) m1 of the gamma component shown to relate to lesion, the mode m2 of the component shown to be associated with normal appearing (NA) WM, and the mixing ratio (λ) between the two distributions...
2017: Frontiers in Neuroscience
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