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https://www.readbyqxmd.com/read/28212433/elevated-gm3-plasma-concentration-in-idiopathic-parkinson-s-disease-a-lipidomic-analysis
#1
Robin B Chan, Adler J Perotte, Bowen Zhou, Christopher Liong, Evan J Shorr, Karen S Marder, Un J Kang, Cheryl H Waters, Oren A Levy, Yimeng Xu, Hong Bin Shim, Itsik Pe'er, Gilbert Di Paolo, Roy N Alcalay
Parkinson's disease (PD) is a common neurodegenerative disease whose pathological hallmark is the accumulation of intracellular α-synuclein aggregates in Lewy bodies. Lipid metabolism dysregulation may play a significant role in PD pathogenesis; however, large plasma lipidomic studies in PD are lacking. In the current study, we analyzed the lipidomic profile of plasma obtained from 150 idiopathic PD patients and 100 controls, taken from the 'Spot' study at Columbia University Medical Center in New York. Our mass spectrometry based analytical panel consisted of 520 lipid species from 39 lipid subclasses including all major classes of glycerophospholipids, sphingolipids, glycerolipids and sterols...
2017: PloS One
https://www.readbyqxmd.com/read/28189050/h19-overexpression-induces-resistance-to-1-25-oh-2d3-by-targeting-vdr-through-mir-675-5p-in-colon-cancer-cells
#2
Shanwen Chen, Dingfang Bu, Yuanyuan Ma, Jing Zhu, Guowei Chen, Lie Sun, Shuai Zuo, Tengyu Li, Yisheng Pan, Xin Wang, Yucun Liu, Pengyuan Wang
The long noncoding (lnc) RNA H19 was involved in the tumorigenesis of many types of cancer. However, the role of H19 in the tumorigenesis of colon cancer has not been fully illustrated. Recent studies suggested a potential relationship between H19 and vitamin D receptor (VDR) signaling. Considering the pivotal role of VDR signaling in the colon epithelium both physiologically and pathologically, the correlation between H19 and VDR signaling may have an important role in the development of colon cancer. In this study, the correlation between H19 and vitamin D receptor (VDR) signaling and the underlying mechanisms in colon cancer were investigated both in vitro and in vivo...
February 7, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28185084/-schistosomose-urog%C3%A3-nitale-et-cancer
#3
A Berry, X Iriart, J Fillaux, J-F Magnaval
The existence of a link between urinary schistosomiasis (US) and bladder carcinoma was first suspected by C. Goebel in 1905. In 1911, A.R Ferguson, who was a professor of Pathology and Microbiology at the Faculty of Medicine in Cairo, published a more detailed survey from 40 autopsies, and reported a likely association of bladder carcinoma with granulomas caused by US. Subsequently, published results from several studies reinforced Ferguson's hypothesis. Moreover, in most countries where US was endemic, association of high prevalence of bladder carcinoma with US had been pointed out...
February 10, 2017: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/28183529/hippocampal-thinning-linked-to-longer-tomm40-poly-t-variant-lengths-in-the-absence-of-the-apoe-%C3%AE%C2%B54-variant
#4
Alison C Burggren, Zanjbeel Mahmood, Theresa M Harrison, Prabha Siddarth, Karen Miller, Gary Small, David A Merrill, Susan Bookheimer
INTRODUCTION: The translocase of outer mitochondrial membrane 40 (TOMM40), which lies in linkage disequilibrium with apolipoprotein E (APOE), has received attention more recently as a promising gene in Alzheimer's disease (AD) risk. TOMM40 influences AD pathology through mitochondrial neurotoxicity, and the medial temporal lobe (MTL) is the most likely brain region for identifying early manifestations of AD-related morphology changes. METHODS: In this study, we examined the effects of TOMM40 using high-resolution magnetic resonance imaging in 65 healthy, older subjects with and without the APOE ε4 AD-risk variant...
February 6, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28165504/implementation-of-a-method-to-visualize-noise-induced-hearing-loss-in-mass-stranded-cetaceans
#5
Maria Morell, Andrew Brownlow, Barry McGovern, Stephen A Raverty, Robert E Shadwick, Michel André
Assessment of the impact of noise over-exposure in stranded cetaceans is challenging, as the lesions that lead to hearing loss occur at the cellular level and inner ear cells are very sensitive to autolysis. Distinguishing ante-mortem pathology from post-mortem change has been a major constraint in diagnosing potential impact. Here, we outline a methodology applicable to the detection of noise-induced hearing loss in stranded cetaceans. Inner ears from two mass strandings of long-finned pilot whales in Scotland were processed for scanning electron microscopy observation...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28157404/whole-slide-imaging-for-analytical-anatomic-pathology-and-telepathology-practical-applications-today-promises-and-perils
#6
Alton Brad Farris, Cynthia Cohen, Thomas E Rogers, Geoffrey H Smith
Whole slide imaging (WSI) offers a convenient, tractable platform for measuring features of routine and special-stain histology or in immunohistochemistry staining by using digital image analysis (IA). We now routinely use IA for quantitative and qualitative analysis of theranostic markers such as human epidermal growth factor 2 (HER2/neu), estrogen and progesterone receptors, and Ki-67. Quantitative IA requires extensive validation, however, and may not always be the best approach, with pancreatic neuroendocrine tumors being one example in which a semiautomated approach may be preferable for patient care...
February 3, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28144812/clinical-validity-of-metroticket-calculator-in-transplant-patients-undergoing-prior-chemoembolization-for-hepatocellular-carcinoma
#7
Hyung-Don Kim, Gi-Won Song, Ju Hyun Shim, Seungbong Han, Jihyun An, Deok-Bog Moon, Kang Mo Kim, Young-Suk Lim, Gi-Young Ko, Shin Hwang, Han Chu Lee, Eunsil Yu, Kyu-Bo Sung, Sung-Gyu Lee
AIM: To test the predictive performance of the Metroticket calculator for survival after liver transplantation (LT) of patients with hepatocellular carcinoma (HCC) undergoing prior transarterial chemoembolization (TACE). METHODS: A total of 142 patients treated with TACE and subsequent LT who had arterial enhancing HCC(s) were entered into this analysis. Tumor parameters measured by the enhancement radiological method pre-LT or by pathology post-LT were incorporated into the Metroticket analysis...
January 31, 2017: Hepatology International
https://www.readbyqxmd.com/read/28130640/expansion-of-the-classification-of-ftld-tdp-distinct-pathology-associated-with-rapidly-progressive-frontotemporal-degeneration
#8
Edward B Lee, Sílvia Porta, G Michael Baer, Yan Xu, EunRan Suh, Linda K Kwong, Lauren Elman, Murray Grossman, Virginia M-Y Lee, David J Irwin, Vivianna M Van Deerlin, John Q Trojanowski
Frontotemporal lobar degeneration with TDP-43 inclusions (FTLD-TDP) can typically be categorized into one of four distinct histopathologic patterns of TDP-43 pathology, types A to D. The strength of this histopathologic classification lies in the association between FTLD-TDP subtypes and various clinical and genetic features of disease. Seven cases of FTLD-TDP were identified here which were difficult to classify based on existing pathologic criteria. Distinct features common to these cases included TDP-43 aggregates over a wide neuroanatomic distribution comprised of granulofilamentous neuronal inclusions, abundant grains, and oligodendroglial inclusions...
January 27, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28130134/nanoceramics-on-osteoblast-proliferation-and-differentiation-in-bone-tissue-engineering
#9
REVIEW
Sai Nievethitha S, Subhapradha N, Saravanan D, Selvamurugan N, Wei-Bor Tsai, Srinivasan N, Murugesan R, Moorthi A
Bone, a highly dynamic connective tissue, consist of a bioorganic phase comprising osteogenic cells and proteins which lies over an inorganic phase predominantly made of CaPO4 (biological apatite). Injury to bone can be due to mechanical, metabolic or inflammatory agents also owing pathological conditions like fractures, osteomyelitis, osteolysis or cysts may arise in enameloid, chondroid, cementum, or chondroid bone which forms the intermediate tissues of the body. Bone tissue engineering (BTE) applies bioactive scaffolds, host cells and osteogenic signals for restoring damaged or diseased tissues...
January 24, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28121357/pkr2-and-%C3%AE-catenin-genes-regulates-pancreatic-cancer-chemosensitivity
#10
R-L Zhong, Y Li, Z Fang, K-F Fang, L Wang
OBJECTIVE: Pancreas is a well developed glandular organ lying behind the stomach. Cancer arises in this organ are difficult to identify in the initial stages, even in advanced stages it shows non-specific symptoms, and it is difficult to prognosis. Since they are identified and treated in the last stage, they are less responsive to chemotherapy. Therefore, it is important to study the proteins that are involved in regulating chemosensitivity and chemoresistance. MATERIALS AND METHODS: Initially, using KRAS mutant mice, we developed initial and advanced stage of pancreatic cancer...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28115390/inhibition-of-klf5-myo9b-rhoa-pathway-mediated-podosome-formation-in-macrophages-ameliorates-abdominal-aortic-aneurysm
#11
Dong Ma, Bin Zheng, Toru Suzuki, Ruonan Zhang, Chunyang Jiang, Disi Bai, Weina Yin, Zhan Yang, Xinhua Zhang, Lianguo Hou, Hong Zhan, Jin-Kun Wen
RATIONALE: Abdominal aortic aneurysms (AAAs) are characterized by pathological remodeling of the aortic wall. Although both increased Krüppel-like factor 5 (KLF5) expression and macrophage infiltration have been implicated in vascular remodeling, the role of KLF5 in macrophage infiltration and AAA formation remains unclear. OBJECTIVE: To determine the role of KLF5 in AAA formation and macrophage infiltration into AAAs. METHODS AND RESULTS: KLF5 expression was significantly increased in human AAA tissues and in two mouse models of experimental AAA...
January 23, 2017: Circulation Research
https://www.readbyqxmd.com/read/28111788/benign-vascular-lesions-of-the-lips-diagnostic-approach
#12
Priscila Lie Tobouti, Isabel Olegário, Suzana Cantanhede Orsini Machado de Sousa
BACKGROUND: Although not rare, vascular lesions occurring in the lips sometimes poses a difficult in properly diagnosing and handling them. In the present study vascular lesions occurring in the lips were retrieved from an Oral Pathology Service. METHODS: Among 5,600 biopsies, 131 cases were found. The following diagnoses were attributed: caliber-persistent artery, infantile hemangioma, vascular malformation, venous lake, thrombus, papillary endothelial hyperplasia, and pyogenic granuloma...
January 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28105531/-big-eye-surgery-the-ethics-of-medicalizing-asian-features
#13
Yves Saint James Aquino
The popularity of surgical modifications of race-typical features among Asian women has generated debates on the ethical implications of the practice. Focusing on blepharoplasty as a representative racial surgery, this article frames the ethical discussion by viewing Asian cosmetic surgery as an example of medicalization, which can be interpreted in two forms: treatment versus enhancement. In the treatment form, medicalization occurs by considering cosmetic surgery as remedy for pathologized Asian features; the pathologization usually occurs in reference to western features as the norm...
January 19, 2017: Theoretical Medicine and Bioethics
https://www.readbyqxmd.com/read/28104459/validation-of-the-intervertebral-disc-histological-degeneration-score-in-cervical-intervertebral-discs-and-their-end-plates
#14
Krzysztof A Tomaszewski, Brandon Michael Henry, Tomasz Gładysz, Roman Głowacki, Jerzy A Walocha, Romana Tomaszewska
BACKGROUND CONTEXT: Vertebral joints consist of intervertebral discs (IVDs) and cartilaginous end plates (EP) that lie superiorly and inferiorly to the IVDs and separate them from the adjacent vertebral bodies. With aging, both IVDs and EPs undergo degeneration. The Histologic Degeneration Score (HDS) is a grading system that microscopically evaluates the degree of degeneration in lumbar discs and predicts it with high accuracy basing on several histological markers of IVD and EP. There is currently a lack of validated histologic grading schemes for cervical spine degeneration...
January 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28101185/hypokalemic-myopathy-in-primary-aldosteronism-a-case-report
#15
Chuifen Wu, Jun Xin, Minghua Xin, Hai Zou, Lie Jing, Caoyong Zhu, Wenhui Lei
Primary aldosteronism (PA) is a rare disorder. The majority of patients with PA present with typical features and are easily diagnosed. This disorder is usually diagnosed with hypokalemia, hypertension or an adrenal mass. However, patients with atypical symptoms may present a challenge for diagnosis and treatment. In the present study, a case of PA is described that presented with hypokalemic myopathy simulating polymyositis. The patient was a 44-year-old woman who presented with weakness and difficulty walking...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28092926/effect-of-gravity-and-microgravity-on-intracranial-pressure
#16
Justin S Lawley, Lonnie G Petersen, Erin J Howden, Satyam Sarma, William K Cornwell, Rong Zhang, Louis A Whitworth, Michael A Williams, Benjamin D Levine
Astronauts have recently been discovered to have impaired vision, with a presentation that resembles syndromes of elevated intracranial pressure (ICP). This syndrome is considered the most mission critical medical problem identified in the past decade of manned spaceflight. We recruited five men and three women who had an Ommaya reservoir inserted for the delivery of prophylactic central nervous system chemotherapy, but were free of their malignant disease for at least 1 year. ICP was assessed by placing a fluid-filled 25 ga butterfly needle into the Ommaya reservoir...
January 16, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28067298/widespread-temporo-occipital-lobe-dysfunction-in-amyotrophic-lateral-sclerosis
#17
Kristian Loewe, Judith Machts, Jörn Kaufmann, Susanne Petri, Hans-Jochen Heinze, Christian Borgelt, Joseph Allen Harris, Stefan Vielhaber, Mircea Ariel Schoenfeld
Recent studies suggest that amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) lie on a single clinical continuum. However, previous neuroimaging studies have found only limited involvement of temporal lobe regions in ALS. To better delineate possible temporal lobe involvement in ALS, the present study aimed to examine changes in functional connectivity across the whole brain, particularly with regard to extra-motor regions, in a group of 64 non-demented ALS patients and 38 healthy controls...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28059501/high-quantum-yield-mitochondria-targeting-near-infrared-fluorescent-probe-for-imaging-native-hypobromous-acid-in-living-cells-and-in-vivo
#18
Xiaojun Liu, Aishan Zheng, Dongrui Luan, Xiaoting Wang, Fanpeng Kong, Lili Tong, Kehua Xu, Bo Tang
The discovery that hypobromous acid (HOBr) can regulate the activity of collagen IV has attracted great attention. However, HOBr as an important reactive small molecule has hardly ever been studied using a detection method suitable for organisms. Herein, a high-quantum-yield mitochondria-targeting near-infrared (NIR) fluorescent probe for HOBr, RhSN-mito, was designed. RhSN-mito was easily obtained by the Suzuki cross-coupling reaction. The test results show that RhSN-mito can rapidly respond to HOBr with ultrasensitivity and high selectivity...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28050657/median-arcuate-ligament-syndrome-a-single-center-experience-with-23-patients
#19
Layla A Nasr, Walid G Faraj, Aghiad Al-Kutoubi, Mohamad Hamady, Mohamad Khalifeh, Ali Hallal, Hamzeh M Halawani, Joelle Wazen, Ali A Haydar
BACKGROUND: Median arcuate ligament syndrome (MALS) is a rare entity that occurs when the median arcuate ligament of the diaphragm is low-lying, causing a compression to the underlying celiac trunk. We reviewed the vascular changes associated with MALS in an effort to emphasize the seriousness of this disease and the complications that may result. METHODS: This is a retrospective descriptive analysis of 23 consecutive patients diagnosed with MALS between January 1, 2012 and December 31, 2015 at a tertiary medical center...
January 3, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28045304/the-current-state-and-future-of-factor-analysis-in-personality-disorder-research
#20
Aidan G C Wright
The major debates in the personality disorder (PD) field center on the structure of personality pathology. Factor analysis is designed to elucidate the underlying structure of observed phenomena. Therefore, factor analysis has already played a major role in the debates about the structure of PD, and will continue to be an often-used and indispensable tool moving forward. However, misconceptions about the utility and interpretation of factor analyses abound. The purpose of this article is to provide a conceptual primer on available factor analytic techniques and how they have been applied in PD research, and to highlight novel ways of using factor analysis moving forward...
January 2017: Personality Disorders
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