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https://www.readbyqxmd.com/read/28930107/cutaneous-rosai-dorfman-disease-with-linear-lesions-and-monoclonal-gammopathy
#1
Edward Bae, Paul White, Mary Brophy, Michael Lichtman, Michael S Krathen, Meera Mahalingam
Cutaneous Rosai-Dorfman disease (CRDD), a benign histiocytosis of unknown etiology, typically presents as a solitary or clusters of lesions. Although the histopathology is fairly distinctive, the laboratory abnormalities are not; past reports note elevated erythrocyte sedimentation rate, anemia, and polyclonal hyperglobulinemia. We describe a 61-year-old African American diabetic gentleman who presented with nodules in a linear distribution on the flank. Histopathologic examination of a biopsied nodule revealed a pandermal sheet-like infiltrate of plasma cells and histiocytes, some demonstrating elastophagocytosis and emperipolesis...
October 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28929995/endocrinological-and-subjective-stress-responses-in-children-with-depressive-anxiety-or-externalizing-disorders
#2
Stephanie Stadelmann, Sonia Jaeger, Tina Matuschek, Yoon Ju Bae, Kai von Klitzing, Annette Maria Klein, Mirko Döhnert
In this study, we used a stress test to investigate endocrinological and subjective stress responses of 8- to 14-year-old children with internalizing or externalizing disorders and healthy controls. The sample (N = 170) consisted of clinical and community children. Parents were given a diagnostic interview to diagnose their children's psychiatric condition. We measured saliva cortisol and subjectively experienced arousal in children before and after the Trier Social Stress Test for Children. Children also rated their performance immediately after the stress test, and 1 hr later they rated their positive and negative thoughts about this stressful event...
September 20, 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/28928854/b-cell-translocation-gene-1-is-downregulated-by-promoter-methylation-in-ovarian-carcinoma
#3
Ji-Ye Kim, Sung-Im Do, Go Eun Bae, Hyun-Soo Kim
A better understanding of tumor biology is important in the identification of molecules that are downregulated in malignancy and in determining their role in tumor suppression. B-cell translocation gene 1 (BTG1) has been shown to act as a tumor suppressor in several types of human malignancy. In this study, we analyzed BTG1 expression in ovarian carcinoma cell lines, and we investigated the mechanism underlying the observed alterations. The methylation status of the BTG1 promoter region was determined by methylation-specific polymerase chain reaction, and the effect of demethylation on BTG1 expression was analyzed...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928399/a-ring-polymer-model-shows-how-macromolecular-crowding-controls-chromosome-arm-organization-in-escherichia-coli
#4
Chanil Jeon, Youngkyun Jung, Bae-Yeun Ha
Macromolecular crowding influences various cellular processes such as macromolecular association and transcription, and is a key determinant of chromosome organization in bacteria. The entropy of crowders favors compaction of long chain molecules such as chromosomes. To what extent is the circular bacterial chromosome, often viewed as consisting of "two arms", organized entropically by crowding? Using computer simulations, we examine how a ring polymer is organized in a crowded and cylindrically-confined space, as a coarse-grained bacterial chromosome...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28928392/mucosa-associated-lymphoid-tissue-lymphoma-translocation-1-as-a-novel-therapeutic-target-for-rheumatoid-arthritis
#5
Chang Hoon Lee, Su Jeong Bae, Miok Kim
Emerging evidence suggests that mucosa-associated lymphoid tissue lymphoma translocation 1 (MALT1) is a key regulator of inflammatory diseases; however, the pathological role of MALT1 in rheumatoid arthritis (RA) is not well understood. Consequently, this protein has not been therapeutically targeted for the treatment of RA. MALT1 plays a role in the paracaspase pathway, has proteolytic activity and is involved in the regulation of inflammatory responses. In this study, we found that the MALT1-targeting inhibitory small molecule, MALT1 selective inhibitor 2-chloro-N-[4-[5-(3,4-dichlorophenyl)-3-(2-methoxyethoxy)-1H-1,2,4-triazol-1-yl]phenylacetamide (MI-2) strongly suppresses the differentiation of monocytes into osteoclasts in the absence or presence of the inflammatory cytokine tumour necrosis factor α...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28927716/the-effects-of-lifestyle-modification-and-statin-therapy-on-the-circulatory-markers-for-vascular-risk-in-patients-with-epilepsy
#6
Dong Wook Kim, Hyun Kyung Kim, Eun-Kee Bae
Although long-term therapy with antiepileptic drugs can increase the risk of vascular diseases, there have been little attempts to reduce the increased vascular risk in patients with epilepsy. We conducted a prospective longitudinal study to assess the effects of lifestyle modification and 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitor (statin) therapy on the increased circulatory markers for vascular risk in patients with epilepsy. We recruited patients with increased vascular risk such as a history of vascular events or hypercholesterolemia, and they decided whether to be treated with statin or just to modify their lifestyle...
September 15, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28927261/hdac11-inhibits-myoblast-differentiation-through-repression-of-myod-dependent-transcription
#7
Sang Kyung Byun, Tae Hyeon An, Min Jeong Son, Da Som Lee, Hyun Sup Kang, Eun-Woo Lee, Baek Soo Han, Won Kon Kim, Kwang-Hee Bae, Kyoung-Jin Oh, Sang Chul Lee
Abnormal differentiation of muscle is closely associated with aging (sarcopenia) and diseases such as cancer and type II diabetes. Thus, understanding the mechanisms that regulate muscle differentiation will be useful in the treatment and prevention of these conditions. Protein lysine acetylation and methylation are major post-translational modification mechanisms that regulate key cellular processes. In this study, to elucidate the relationship between myogenic differentiation and protein lysine acetylation/methylation, we performed a PCR array of enzymes related to protein lysine acetylation/ methylation during C2C12 myoblast differentiation...
September 20, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28927245/calcium-homeostasis-in-diabetes-mellitus
#8
REVIEW
Changhwan Ahn, Ji-Houn Kang, Eui-Bae Jeung
Diabetes mellitus (DM) is becoming a lifestyle-related pandemic disease. Diabetic patients frequently develop electrolyte disorders, especially diabetic ketoacidosis or nonketotic hyperglycemic hyperosmolar syndrome. Such patients show characteristic potassium, magnesium, phosphate, and calcium depletion. In this review, we discuss a homeostatic mechanism that links calcium and DM. We also provide a synthesis of the evidence in favor or against this linking mechanism by presenting recent clinical indications, mainly from veterinary research...
September 30, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28924878/differences-between-schizophrenic-and-normal-subjects-using-network-properties-from-fmri
#9
Youngoh Bae, Kunaraj Kumarasamy, Issa M Ali, Panagiotis Korfiatis, Zeynettin Akkus, Bradley J Erickson
Schizophrenia has been proposed to result from impairment of functional connectivity. We aimed to use machine learning to distinguish schizophrenic subjects from normal controls using a publicly available functional MRI (fMRI) data set. Global and local parameters of functional connectivity were extracted for classification. We found decreased global and local network connectivity in subjects with schizophrenia, particularly in the anterior right cingulate cortex, the superior right temporal region, and the inferior left parietal region as compared to healthy subjects...
September 18, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28923717/production-of-d-tagatose-and-bioethanol-from-onion-waste-by-an-intergrating-bioprocess
#10
Ho Myeong Kim, Younho Song, Seung Gon Wi, Hyeun-Jong Bae
The rapid increase of agricultural waste is becoming a burgeoning problem and considerable efforts are being made by numerous researchers to convert it into a high-value resource material. Onion waste is one of the biggest issues in a world of dwindling resource. In this study, the potential of onion juice residue (OJR) for producing valuable rare sugar or bioethanol was evaluated. Purified Paenibacillus polymyxaL-arabinose isomerase (PPAI) has a molecular weight of approximately 53kDa, and exhibits maximal activity at 30°C and pH 7...
September 15, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28922668/activation-of-trpv4-increases-neovascularization-of-rat-prefabricated-flaps
#11
Jinhong Bae, Zhichao Wang, Haizhou Li, Lin Lu, Qingxiong Yu, Qingfeng Li, Zan Tao
No abstract text is available yet for this article.
September 18, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28922149/the-relationships-between-components-of-metabolic-syndrome-and-mild-cognitive-impairment-subtypes-a-cross-sectional-study-of-japanese-older-adults
#12
Seongryu Bae, Hiroyuki Shimada, Sangyoon Lee, Hyuma Makizako, Sungchul Lee, Kazuhiro Harada, Takehiko Doi, Kota Tsutsumimoto, Ryo Hotta, Sho Nakakubo, Hyuntae Park, Takao Suzuki
BACKGROUND: The associations between components of metabolic syndrome (MetS) and mild cognitive impairment (MCI) subtypes remain unclear. OBJECTIVE: The study aim was to identify the prevalence of MetS for MCI subtypes and to investigate sex differences in the association between MetS and MCI subtypes in older Japanese adults. METHODS: The study analyzed data from 3,312 men and women aged 70 years or more. MetS was diagnosed according to International Diabetes Federation criteria...
September 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28921595/the-interplay-of-type-i-and-type-ii-interferons-in-murine-autoimmune-cholangitis-as-a-basis-for-sex-biased-autoimmunity
#13
Heekyong R Bae, Deborah L Hodge, Guo-Xiang Yang, Patrick S C Leung, Sathi Babu Chodisetti, Julio C Valencia, Michael Sanford, John M Fenimore, Ziaur S M Rahman, Koichi Tsuneyama, Gary L Norman, M Eric Gershwin, Howard A Young
We have reported a murine model of autoimmune cholangitis, generated by altering the AU rich element by deletion of the IFN-γ 3'UTR region (coined ARE-Del(-/-) ), that has striking similarities to human primary biliary cholangitis (PBC) with female predominance. Previously, we suggested that the gender bias of autoimmune cholangitis was secondary to intense and sustained type I and II IFN signaling. Based on this thesis, and to define the mechanisms that lead to portal inflammation, we specifically addressed the hypothesis that type I IFNs are the driver of this disease...
September 16, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28920924/impaired-angiopoietin-tie2-signaling-compromises-schlemm-s-canal-integrity-and-induces-glaucoma
#14
Jaeryung Kim, Dae-Young Park, Hosung Bae, Do Young Park, Dongkyu Kim, Choong-Kun Lee, Sukhyun Song, Tae-Young Chung, Dong Hui Lim, Yoshiaki Kubota, Young-Kwon Hong, Yulong He, Hellmut G Augustin, Guillermo Oliver, Gou Young Koh
Primary open-angle glaucoma (POAG) is often caused by elevated intraocular pressure (IOP), which arises due to increased resistance to aqueous humor outflow (AHO). Aqueous humor flows through Schlemm's canal (SC), a lymphatic-like vessel encircling the cornea, and via intercellular spaces of ciliary muscle cells. However, the mechanisms underlying increased AHO resistance are poorly understood. Here, we demonstrate that signaling between angiopoietin (Angpt) and the Angpt receptor Tie2, which is critical for SC formation, is also indispensable for maintaining SC integrity during adulthood...
September 18, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28920769/modacrylic-anion-exchange-fibers-for-cr-vi-removal-from-chromium-plating-rinse-water-in-batch-and-flow-through-column-experiments
#15
Seung-Chan Lee, Jin-Kyu Kang, Eun-Hye Sim, Nag-Choul Choi, Song-Bae Kim
The aim of this study was to investigate Cr(VI) removal from chromium-plating rinse water using modacrylic anion-exchange fibers (KaracaronTM KC31). Batch experiments were performed with synthetic Cr(VI) solutions to characterize the KC31 fibers in Cr(VI) removal. Cr(VI) removal by the fibers was affected by solution pH; the Cr(VI) removal capacity was the highest at pH 2 and decreased gradually with a pH increase from 2 to 12. In regeneration and reuse experiments, the Cr(VI) removal capacity remained above 37...
September 18, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28920003/cd226-natural-killer-cells-fail-to-establish-stable-contacts-with-cancer-cells-and-show-impaired-control-of-tumor-metastasis-in-vivo
#16
Ji Sung Kim, Bo Ram Shin, Hong Kyung Lee, Jae Hee Lee, Ki Hun Kim, Jeong Eun Choi, A Young Ji, Jin Tae Hong, Youngsoo Kim, Sang-Bae Han
CD226 is an activating receptor expressed on natural killer (NK) cells, CD8(+) T cells, and other immune cells. Upon binding to its ligands expressed on target cells, CD226 activates intracellular signaling that triggers cytokine production and degranulation in NK cells. However, the role of CD226 in contact dynamics between NK and cancer cells has remained unclear. Our time-lapse images showed that individual wild-type CD226(+) NK cells contacted B16F10 melanoma cells for 23.7 min, but Cd226(-/-) NK cells only for 12...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919476/current-status-of-the-pilot-scale-anaerobic-membrane-bioreactor-treatments-of-domestic-wastewaters-a-critical-review
#17
REVIEW
Chungheon Shin, Jaeho Bae
This review presented the performances of the pilot-scale anaerobic membrane bioreactors (AnMBRs) treating domestic wastewater. High COD removal efficiencies and low biosolids productions were achieved at HRTs comparable to conventional aerobic processes under ambient temperatures. The energy demands for fouling control in the pilot-scale AnMBRs ranged from 0.04 to 1.35kWh/m(3), which is lower than those of lab-scale AnMBRs and aerobic MBRs. The energy demands for fouling control were in the order of gas sparging>particle sparging>rotating membrane AnMBR...
September 5, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28919040/heme-binding-biguanides-target-cytochrome-p450-dependent-cancer-cell-mitochondria
#18
Zhijun Guo, Irina F Sevrioukova, Ilia G Denisov, Xia Zhang, Ting-Lan Chiu, Dafydd G Thomas, Eric A Hanse, Rebecca A D Cuellar, Yelena V Grinkova, Vanessa Wankhede Langenfeld, Daniel S Swedien, Justin D Stamschror, Juan Alvarez, Fernando Luna, Adela Galván, Young Kyung Bae, Julia D Wulfkuhle, Rosa I Gallagher, Emanuel F Petricoin, Beverly Norris, Craig M Flory, Robert J Schumacher, M Gerard O'Sullivan, Qing Cao, Haitao Chu, John D Lipscomb, William M Atkins, Kalpna Gupta, Ameeta Kelekar, Ian A Blair, Jorge H Capdevila, John R Falck, Stephen G Sligar, Thomas L Poulos, Gunda I Georg, Elizabeth Ambrose, David A Potter
The mechanisms by which cancer cell-intrinsic CYP monooxygenases promote tumor progression are largely unknown. CYP3A4 was unexpectedly associated with breast cancer mitochondria and synthesized arachidonic acid (AA)-derived epoxyeicosatrienoic acids (EETs), which promoted the electron transport chain/respiration and inhibited AMPKα. CYP3A4 knockdown activated AMPKα, promoted autophagy, and prevented mammary tumor formation. The diabetes drug metformin inhibited CYP3A4-mediated EET biosynthesis and depleted cancer cell-intrinsic EETs...
August 29, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28918452/pro-oxidant-status-and-nrf2-levels-in-psoriasis-vulgaris-skin-tissues-and-dimethyl-fumarate-treated-hacat-cells
#19
Yoon Jin Lee, Jin Ho Bae, Sang-Gue Kang, Sung Woo Cho, Dong-Il Chun, Seung Min Nam, Chul Han Kim, Hae Seon Nam, Seon Hwa Lee, Sang Han Lee, Moon Kyun Cho
Reactive oxygen species (ROS) contribute to pathogenesis of many inflammatory skin diseases, including psoriasis. The aim of this study is to compare antioxidant protein expression in psoriasis vulgaris (PV) skin tissues with that in normal skin tissues in vivo and to evaluate the effects of dimethyl fumarate (DMF), used for the treatment of psoriasis, on ROS generation and apoptosis in a human keratinocyte cell line HaCaT. Compared with normal skin tissues, PV skin tissues showed increased protein oxidation as well as down-regulation of Nrf2 and its regulatory proteins such as HO-1 and AKR1C3...
September 16, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/28918323/quantitative-determination-of-carfilzomib-in-mouse-plasma-by-liquid-chromatography-tandem-mass-spectrometry-and-its-application-to-a-pharmacokinetic-study
#20
Jee Sun Min, Jiseon Kim, Jung Ho Kim, Doyun Kim, Yu Fen Zheng, Ji Eun Park, Wooin Lee, Soo Kyung Bae
A highly sensitive and rapid LC-MS/MS method was developed and validated to determine the levels of carfilzomib in mice plasma by using chlorpropamide as an internal standard. Carfilzomib and chlorpropamide were extracted from 5 μL of plasma after protein precipitation with acetonitrile. Chromatographic separation was performed on Phenomenex Luna C18 column (50×2.0mm id, 3μm). The mobile phase consisted of 0.1% formic acid in acetonitrile -0.1% formic acid in water (1:1v/v) and the flow rate was 0.3mL/min...
September 1, 2017: Journal of Pharmaceutical and Biomedical Analysis
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