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https://www.readbyqxmd.com/read/29229391/hepatocyte-specific-clusterin-overexpression-attenuates-diet-induced-nonalcoholic-steatohepatitis
#1
Jin-Sung Park, Young-Jun Shim, Byeong-Ho Kang, Woon-Kyu Lee, Bon-Hong Min
Clusterin is a multifunctional glycoprotein that plays important roles and is up-regulated in liver diseases such as hepatitis and hepatocellular carcinoma. However, little is known about the significance of clusterin in the pathogenesis of non-alcoholic steatohepatitis (NASH). The aim of this study is to examine the role of clusterin in progression of steatohepatitis in mice fed a methionine and choline deficient (MCD) diet. We generated hepatocyte-specific clusterin overexpression (hCLU-tg) mice, and hCLU-tg mice showed lower levels of hepatic triglycerides, less infiltration of macrophages and reduction of TNF-α, activation of Nrf-2 than wild-type littermates fed the MCD diet...
December 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29227093/modeling-spin-interactions-in-a-triangular-cobalt-ii-complex-with-triaminoguanidine-ligand-framework-synthesis-structure-and-magnetic-properties
#2
Daniel Plaul, Michael Böhme, Serghei Ostrovsky, Zbigniew Tomkowicz, Helmar Görls, Wolfgang Haase, Winfried Plass
The new tritopic triaminoguanidine-based ligand 1,2,3-tris[(pyridine-2-ylmethylidene)amino]guanidine (H2pytag) was synthesized. The reaction of a mixture of cobalt(II) chloride and cobalt(II) perchlorate with the ligand H2pytag in pyridine solution leads to the formation of the trinuclear cobalt(II) complex [Co3(pytag)(py)6Cl3]ClO4. Three octahedrally coordinated high-spin cobalt(II) ions are linked through the bridging triaminoguanidine backbone of the ligand leading to an almost equilateral triangular arrangement...
December 11, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29223447/clinical-laboratory-and-imaging-findings-in-castleman-s-disease-the-subtype-decides
#3
REVIEW
Michael Haap, Julia Wiefels, Marius Horger, Annika Hoyer, Karsten Müssig
Castleman's disease (CD) is a rare lymphoproliferative disorder with its distinct unicentric (uCD) and multicentric (mCD) entities. The present work aimed at characterizing CD in more detail. From the 775 articles found by a PubMed search, 1133 cases were extracted. Two own cases were included. UCD was identified in 719 (42% males) and mCD in 416 (63% males) cases. Age in uCD was 34±17 and in mCD 48±18years. The hyaline-vascular type predominated in uCD and the plasma cell type in mCD. Clinical symptoms were more common in mCD...
November 29, 2017: Blood Reviews
https://www.readbyqxmd.com/read/29221207/chst6-mutation-screening-and-endoplasmatic-reticulum-stress-in-macular-corneal-dystrophy
#4
Liyuan Wang, Xianling Tang, Xiaolin Lv, Encheng Sun, Donglai Wu, Changlin Wang, Ping Liu
Macular corneal dystrophy (MCD) is an autosomal recessive disorder mainly caused by gene mutations of carbohydrate sulfotransferase (CHST6) leading to bilateral visual impairment. Because the mechanism underlying this degeneration remains poorly understood, we investigated molecular alterations and pathways that may be involved in MCD in this issue. Different mutation sites were screened by direct sequencing of the coding region of CHST6. In addition, we described morphological changes in MCD keratocytes by light microscopy and electron microscopy and determined the relationship between the development of this disease and the occurrence of apoptosis through flow cytometry, cell counting kit-8, colony formation assay and other experiments...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220187/oscillatory-magnetic-circular-dichroism-of-free-carrier-absorption-and-determination-of-the-rashba-dispersions-in-hybrid-organic-inorganic-perovskites
#5
Zhi-Gang Yu
Free-carrier absorption (FCA) in a semiconductor provides information about the band on which the free carriers reside, and in the classical limit, follows the $\omega^{-2}$ law with $\omega$ being the photon frequency. In hybrid organic-inorganic perovskites (HOIPs), the colossal Rashba effect (RE) results in a new band dispersion, characterized by wavevector $|{\bm k}|=k_0$ of band extremum and effective mass $m^*$. Here we show that the colossal RE in 2D HOIPs greatly enhances phonon-assisted FCA with a modified frequency dependence and induces a direct transition between the subbands with a resonance at $\hbar\omega=4R \equiv 2 \hbar^2 k^2_0/m^*$, which, under a magnetic field, exhibits a strong oscillatory magnetic circular dichroism (MCD)...
December 8, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/29212162/rituximab-treatment-in-adults-with-refractory-minimal-change-disease-or-focal-segmental-glomerulosclerosis
#6
Hong Ren, Li Lin, Pingyan Shen, Xiao Li, Jingyuan Xie, Xiaoxia Pan, Wen Zhang, Nan Chen
Rituximab (RTX) may benefit patients with glomerular disease who suffer from focal segmental glomerular sclerosis (FSGS) or minimal change disease (MCD). Here, we have described our experience treating 6 FSGS and 9 MCD patients with steroid-dependent/refractory nephrotic syndrome (NS) with RTX. Patients received RTX (375 mg/m2) intravenously on days 1, 8, 23, and 29. During a median follow-up of 8 months (range, 3-36 months) after RTX administration, all patients achieved complete or partial remission. Relapses decreased by approximately 30-fold compared with the year preceding RTX treatment, and an 89...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29209997/-18f-bms-747158-02pet-imaging-for-evaluating-hepatic-mitochondrial-complex-1dysfunction-in-a-mouse-model-of-non-alcoholic-fatty-liver-disease
#7
Takemi Rokugawa, Sotaro Momosaki, Miwa Ito, Hitoshi Iimori, Yuki Kato, Kohji Abe
BACKGROUND: Mitochondrial dysfunction is one of the main causes of non-alcohol fatty liver disease (NAFLD). [18F]-BMS-747158-02 (18F-BMS) which was originally developed as a myocardial perfusion imaging agent was reported to bind mitochondrial complex-1 (MC-1). The aim of this study was to investigate the potential use of 18F-BMS for evaluating hepatic MC-1 activity in mice fed a methionine- and choline-deficient (MCD) diet. Male C57BL/6J mice were fed a MCD diet for up to 2 weeks. PET scans with 18F-BMS were performed after 1 and 2 weeks of the MCD diet...
December 6, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/29209902/dehydropropylpantothenamide-isolated-by-a-co-culture-of-nocardia-tenerifensis-ifm-10554t-in-the-presence-of-animal-cells
#8
Yasumasa Hara, Midori A Arai, Kanae Sakai, Naoki Ishikawa, Tohru Gonoi, Takashi Yaguchi, Masami Ishibashi
A new amide, named dehydropropylpantothenamide (1), was obtained by a co-culture of Nocardia tenerifensis IFM 10554T in the presence of the mouse macrophage-like cell line J774.1 in modified Czapek-Dox (mCD) medium. Compound 1 was synthesized from D-pantothenic acid calcium salt in 6 steps. The absolute configuration of natural compound 1 was determined by comparisons of the optical rotation and CD spectra of synthetic 1. In the present study, a new method for producing secondary metabolites was demonstrated using a "co-culture" in which the genus Nocardia was cultured in the presence of an animal cell line...
December 5, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/29202383/correlation-between-interferon-%C3%AE-and-interleukin-6-with-ptsd-and-resilience
#9
Dagmar Bruenig, Divya Mehta, Charles P Morris, Bruce Lawford, Wendy Harvey, Ross McD Young, Joanne Voisey
Posttraumatic Stress Disorder (PTSD) is a debilitating psychiatric disorder with decreased general health prognosis and increased mortality. Inflammation has been hypothesised to be a link between PTSD and the most common co-morbid medical disorders. However, the relationship between inflammation and PTSD is not clear. Individual inflammatory markers have shown variable associations with PTSD. This study investigates the correlations between serum cytokines, PTSD and resilience in a cohort of Caucasian Vietnam combat veterans (n = 299)...
November 28, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29188834/detection-of-a-weak-ring-current-in-a-nonaromatic-porphyrin-nanoring-using-magnetic-circular-dichroism
#10
Patrycja Kowalska, Martin D Peeks, Tomasz Roliński, Harry L Anderson, Jacek Waluk
We compare the absorption and magnetic circular dichroism (MCD) spectra of a series of porphyrin oligomers - dimer, tetramer, and hexamer - bound in a linear or cyclic fashion. The MCD signal is extremely weak for low energy transitions in the linear oligomers, but it is amplified when the cyclic porphyrin hexamer binds a template, restricting rotational freedom. The appearance of Faraday A terms in the MCD spectra demonstrates the presence of a magnetic moment, and thus, uncompensated electronic current. The value of the excited state magnetic moment estimated from the A term is very low compared with those of monomeric porphyrins, which confirms the nonaromatic character of the cyclic array and the lack of a global ring current in the ground state of the neutral nanoring...
November 30, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29183102/-spectrum-and-frequency-of-adhd-related-symptoms-and-minimal-cerebral-brain-dysfunctions-in-psychosomatic-inpatients
#11
Michael Linden, Nils Noack, Volker Köllner
Objective ADHD (attention deficit hyperactivity disorders) and MCD (minimal cerebral dysfunctions) can impair participation. They pose difficult diagnostic problems. Aim of the present study has been to describe the frequency and the spectrum of ADHD and MCD in psychosomatic inpatients. Methods 1453 psychosomatic inpatients filled in the ADHS-SB and the MCD-TLS-FB screening for self-reported ADHD and minimal cerebral dysfunctions. Prevalence rates were calculated depending on different intensities of symptoms...
November 28, 2017: Die Rehabilitation
https://www.readbyqxmd.com/read/29174840/physicochemical-pharmacokinetic-efficacy-and-toxicity-profiling-of-a-potential-nitrofuranyl-methyl-piperazine-derivative-iiim-mcd-211-for-oral-tuberculosis-therapy-via-in-silico-in-vitro-in-vivo-approach
#12
Asmita Magotra, Anjna Sharma, Samsher Singh, Probir Kumar Ojha, Sunil Kumar, Naveen Bokolia, Priya Wazir, Shweta Sharma, Inshad Ali Khan, Parvinder Pal Singh, Ram A Vishwakarma, Gurdarshan Singh, Utpal Nandi
Recent tuberculosis (TB) drug discovery programme involve continuous pursuit for new chemical entity (NCE) which can be not only effective against both susceptible and resistant strains of Mycobacterium tuberculosis (Mtb) but also safe and faster acting with the target, thereby shortening the prolonged TB treatments. We have identified a potential nitrofuranyl methyl piperazine derivative, IIIM-MCD-211 as new antitubercular agent with minimum inhibitory concentration (MIC) value of 0.0072 μM against H37Rv strain...
November 21, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29159325/role-of-aramchol-in-steatohepatitis-and-fibrosis-in-mice
#13
Marta Iruarrizaga-Lejarreta, Marta Varela-Rey, David Fernández-Ramos, Ibon Martínez-Arranz, Teresa C Delgado, Jorge Simon, Virginia Gutiérrez-de Juan, Laura delaCruz-Villar, Mikel Azkargorta, José L Lavin, Rebeca Mayo, Sebastiaan M Van Liempd, Igor Aurrekoetxea, Xabier Buqué, Donatella Delle Cave, Arantza Peña, Juan Rodríguez-Cuesta, Ana M Aransay, Felix Elortza, Juan M Falcón-Pérez, Patricia Aspichueta, Liat Hayardeny, Mazen Noureddin, Arun J Sanyal, Cristina Alonso, Juan Anguita, María Luz Martínez-Chantar, Shelly C Lu, José M Mato
Nonalcoholic steatohepatitis (NASH) is the advanced form of nonalcoholic fatty liver disease (NAFLD) which sets the stage for further liver damage. The mechanism for the progression of NASH involves multiple parallel hits including oxidative stress, mitochondrial dysfunction, inflammation and others. Manipulation of any of these pathways may be an approach to prevent NASH development and progression. Aramchol (arachidyl-amido cholanoic acid) is presently in a phase IIb NASH study. The aim of this study was to investigate Aramchol's mechanism of action and its effect on fibrosis using the methionine- and choline-deficient (MCD) diet model of NASH...
November 2017: Hepatology Communications
https://www.readbyqxmd.com/read/29159066/six-adult-patients-with-septo-optic-dysplasia-and-drug-resistant-epilepsy-clinical-findings-and-course
#14
Mashael AlKhateeb, Richard McLachlan, Jorge Burneo, David Diosy, Seyed Mirsattari
Septo-optic dysplasia (SOD) is a rare disorder associated with optic nerve hypoplasia, pituitary abnormalities and agenesis/dysgenesis of midline brain structures including the septum pellucidum and corpus callosum. Though sometimes associated with drug-resistant epilepsy, this association has not been well studied. We report six SOD patients with associated malformation of cortical development (MCD) and drug-resistant epilepsy who underwent video-EEG telemetry at our centre between 1998 and 2016 for drug-resistant epilepsy...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/29158052/baicalin-attenuates-non-alcoholic-steatohepatitis-by-suppressing-key-regulators-of-lipid-metabolism-inflammation-and-fibrosis-in-mice
#15
Junli Zhang, Haiming Zhang, Xiaoling Deng, Ning Zhang, Beibei Liu, Shengliang Xin, Guixin Li, Keshu Xu
AIMS: Baicalin (BA), an active flavonoid compound originating from the herb of Scutellaria baicalensis Georgi, has been previously shown to exert anti-inflammation and anti-oxidant effects in liver diseases. However, the potential role of BA in the regulation of non-alcoholic steatohepatitis (NASH) remains elusive. In this study, we newly explored the hepatoprotective effects of BA in MCD diet-induced NASH by ameliorating hepatic steatosis, inflammation, fibrosis and apoptosis. MAIN METHODS: NASH was induced in mice fed a methionine and choline-deficient (MCD) diet for 4weeks...
November 17, 2017: Life Sciences
https://www.readbyqxmd.com/read/29157939/lymphadenopathy-associated-with-igg4-related-disease-diagnosis-differential-diagnosis
#16
REVIEW
Mark R Wick, Dennis P O'Malley
IgG4-related sclerosing disease, which now encompasses diverse organ-related disorders with various prior eponymic designations, may also present with solitary or multifocal lymph node enlargement. This review considers the histopathologic features of IgG4 lymphadenopathy (IgG4LAD), which has been subdivided by Cheuk & Chan into 5 microscopic subtypes. Those include variants that are typified by multicentric Castleman disease (MCD)-like changes, follicular hyperplasia, interfollicular lymphoplasmacytic proliferation, progressive transformation of germinal centers, and formation of inflammatory pseudotumor (IPT)-like lesions...
November 11, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/29157621/treatment-of-kaposi-sarcoma-herpesvirus-associated-multicentric-castleman-disease
#17
REVIEW
Kathryn Lurain, Robert Yarchoan, Thomas S Uldrick
Kaposi sarcoma herpesvirus (KSHV)-associated multicentric Castleman disease (MCD) is a rare, polyclonal lymphoproliferative disorder characterized by flares of inflammatory symptoms, edema, cytopenias, lymphadenopathy, and splenomegaly. Diagnosis requires a lymph node biopsy. Pathogenesis is related to dysregulated inflammatory cytokines, including human and viral interleukin-6. Rituximab alone or in combination with chemotherapy, such as liposomal doxorubicin, has led to an overall survival of over 90% at 5 years...
February 2018: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/29157617/the-role-of-interleukin-6-in-castleman-disease
#18
REVIEW
Kazuyuki Yoshizaki, Shinichi Murayama, Hiroki Ito, Tomohiro Koga
Since its discovery, improvements in treating Castleman disease and its variants have centered on interleukin-6 (IL-6). IL-6 was discovered from T-cell factors (BCDF or BSF-2), which induced B-cell maturation. Most symptoms of the plasma cell variant of Castleman disease are linked to the hyperfunction of IL-6, constitutively produced in the affected lymph nodes (1989), suggesting IL-6 is key in the pathogenesis of multicentric Castleman disease (MCD). The results of several studies have shown that most MCD symptoms and abnormal laboratory results are improved by anti-IL-6 MCD treatments, such as tocilizumab, a humanized anti-IL-6 receptor antibody, and siltuximab, an anti-IL-6 antibody...
February 2018: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/29157611/epidemiology-of-castleman-disease
#19
REVIEW
David Simpson
Castleman disease is a rare entity, including unicentric Castleman disease (UCD), human herpesvirus-8 plus Castleman disease (HHV-8+MCD), and idiopathic multicentric Castleman disease (iMCD). UCD is the most common at 16 per million person years and occurs at every age. HHV-8+MCD incidence varies widely, mostly affecting human immunodeficiency virus-positive men. iMCD is likely a more heterogeneous disease with an estimated incidence of 5 per million person years. Improved definitions should improve understanding of the epidemiology of Castleman disease and its subtypes...
February 2018: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/29151040/meningoencephalitis-in-a-royal-marine-after-skinning-reindeer-in-norway
#20
Christopher A Pollard, D S Burns, B Ho, A McD Johnston
Meningoencephalitis presenting in service personnel overseas may present a diagnostic challenge due to the broad range of potential differential diagnosis as well as the requirement for rapid assessment and treatment. A 25-year-old Royal Marine was evacuated to the Royal Centre for Defence Medicine in Birmingham, UK, with a history of rash consistent with erythema chronicum migrans, a seizure, and lymphocytic pleocytosis after skinning reindeer in Norway. Neuroborreliosis was suspected and empirical antibiotics were administered...
November 18, 2017: Journal of the Royal Army Medical Corps
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