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https://www.readbyqxmd.com/read/27935825/microglia-activation-in-a-pediatric-rabbit-model-of-tuberculous-meningitis
#1
Elizabeth W Tucker, Supriya Pokkali, Zhi Zhang, Vincent P DeMarco, Mariah Klunk, Elizabeth S Smith, Alvaro A Ordonez, Marie-France Penet, Zaver Bhujwalla, Sanjay K Jain, Sujatha Kannan
Central nervous system (CNS) tuberculosis (TB) is the most severe form of extra-pulmonary TB and disproportionately affects young children where the developing brain has a unique host response. New Zealand white rabbits were infected with Mycobacterium tuberculosis via subarachnoid inoculation at postnatal day 4-8 and evaluated until 4-6 weeks post-infection. Control and infected rabbit kits were assessed for the development of neurological deficits, bacterial burden, and postmortem microbiologic and pathologic changes...
December 1, 2016: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/27935781/the-neurotoxicity-of-general-anesthetic-drugs-emphasis-on-the-extremes-of-age
#2
Chuck Biddle, Vincent Ford
A substantial body of research suggests that anesthetic exposure to patients who are very young or very old may impair cognitive, behavioral, and emotional development or recovery. In lower animal models of pre- and postnatal age, anesthetic exposure may impact inflammation, synaptogenesis, neuronal apoptosis, and glial cell development. To date, research in humans is inconclusive regarding the long-term cognitive and behavioral sequelae of general anesthesia in the young child. In older adults, postoperative cognitive dysfunction and cognitive delirium are identified as markers of anesthetic neurotoxicity...
January 2017: Annual Review of Nursing Research
https://www.readbyqxmd.com/read/27935698/tailoring-nanostructure-morphology-for-enhanced-targeting-of-dendritic-cells-in-atherosclerosis
#3
Sijia Yi, Sean David Allen, Yu-Gang Liu, Brian Zhou Ouyang, Xiaomo Li, Punn Augsornworawat, Edward Benjamin Thorp, Evan Alexander Scott
Atherosclerosis, a leading cause of heart disease, results from chronic vascular inflammation that is driven by diverse immune cell populations. Nanomaterials may function as powerful platforms for diagnostic imaging and controlled delivery of therapeutics to inflammatory cells in atherosclerosis, but efficacy is limited by nonspecific uptake by cells of the mononuclear phagocytes system (MPS). MPS cells located in the liver, spleen, blood, lymph nodes, and kidney remove from circulation the vast majority of intravenously administered nanomaterials regardless of surface functionalization or conjugation of targeting ligands...
December 9, 2016: ACS Nano
https://www.readbyqxmd.com/read/27934165/aspirin-based-carbon-dots-a-good-biocompatibility-of-material-applied-for-bioimaging-and-anti-inflammation
#4
Xiaowei Xu, Kai Zhang, Liang Zhao, Chen Li, Wenhuan Bu, Yuqin Shen, Zhongyi Gu, Bei Chang, Changyu Zheng, Chongtao Lin, Hongchen Sun, Bai Yang
The emerging photoluminescent carbon-based nanomaterials are promising in various fields besides cell imaging and carrier transport. Carbon nanomaterials with specific biological functions, however, are rarely investigated. Aspirin is a very common anti-inflammatory medication to relieve aches and pains. In this study, we have tried to create a carbon nanoparticle with aspirin, and we expect that this new carbon nanoparticle will have both anti-inflammatory and fluorescent biomarker functions. Fluorescent aspirin-based carbon dots (FACDs) were synthesized by condensing aspirin and hydrazine through a one-step microwave-assisted method...
December 7, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27933478/mri-in-pelvic-inflammatory-disease-a-pictorial-review
#5
REVIEW
Ferenc Czeyda-Pommersheim, Bobby Kalb, James Costello, Joy Liau, Arash Meshksar, Hina Arif Tiwari, Diego Martin
Pelvic inflammatory disease (PID) is an ascending infection of the female genital tract caused by the spread of bacteria from the vagina to the pelvic reproductive organs and occasionally the peritoneum. The most common causative organisms are sexually transmitted. PID is a significant source of morbidity among reproductive age women both as a cause of abdominal pain and as a common cause of infertility. Its clinical presentation is often nonspecific, and the correct diagnosis may first come to light based on the results of imaging studies...
December 8, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27932454/inducible-colonic-m-cells-are-dependent-on-tnfr2-but-not-lt%C3%AE-r-identifying-distinct-signaling-requirements-for-constitutive-versus-inducible-m-cells
#6
Erinn A Parnell, Erin M Walch, David D Lo
BACKGROUND AND AIMS: M cells associated with organized lymphoid tissues such as intestinal Peyer's patches provide surveillance of the intestinal lumen. Inflammation or infection in the colon can induce an M cell population associated with lymphoid infiltrates; paradoxically, induction is dependent on the inflammatory cytokine Tumor Necrosis Factor (TNF)-α. Anti-TNFα blockade is an important therapeutic in Inflammatory Bowel Disease, so understanding the effects of TNFα signaling is important in refining therapeutics...
December 7, 2016: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/27931966/imaging-in-osteoporosis-in-rheumatic-diseases
#7
REVIEW
Peter Mandl, Franz Kainberger, Mette Friberg Hitz
Osteoporosis is a common comorbidity of all major rheumatic diseases, and manifests itself both systemically and locally. Systemic bone loss manifests because of several factors, primarily inflammation, immobility, and commonly used medical treatment for rheumatic diseases. Local bone loss manifests as periarticular demineralization and bone erosion due to local release of inflammatory agents and cytokines, which promote bone resorption. All these factors contribute to the phenomenon of arthritis-associated osteoporosis...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931964/imaging-in-paediatric-rheumatology-is-it-time-for-imaging
#8
REVIEW
Paz Collado, Clara Malattia
Juvenile idiopathic arthritis (JIA) is a heterogeneous group of arthritides characterized by chronic synovial inflammation that can lead to structural damage. The main objective of JIA therapies is to induce disease control to avoid disability in childhood. The advances in therapeutic effectiveness have created a need to search for imaging tools that describe more precisely disease activity in children with JIA. Musculoskeletal ultrasound and magnetic resonance imaging have demonstrated to be more sensitive than clinical examination in early detection of synovitis...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931962/imaging-of-vasculitis-state-of-the-art
#9
REVIEW
Francesco Muratore, Nicolò Pipitone, Carlo Salvarani, Wolfgang A Schmidt
The increasing availability and improvement of imaging techniques are making a profound impact in the evaluation and management of patients with vasculitis, particularly for those with large vessel vasculitis, and will most likely play an ever more important role in the future. Deep, large vessels can be examined by CT or MRI, while ultrasound is the method of choice for the evaluation of superficial vessels (such as temporal, carotid, and axillary arteries). PET is very sensitive in detecting large vessel inflammation, but it does not delineate the vessel wall...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931959/imaging-of-gout-new-tools-and-biomarkers
#10
REVIEW
Elizabeth G Araujo, Bernhard Manger, Fernando Perez-Ruiz, Ralf G Thiele
While joint aspiration and crystal identification by polarizing microscopy remain the gold standard for diagnosing tophaceous gout, agreement among medical and ancillary health personnel examining synovial fluid using polarizing microscopy for the detection of monosodium urate (MSU) crystals appears to be poor. Imaging modalities, including conventional radiography (CR), ultrasonography (US), magnetic resonance imaging (MRI), and dual-energy computed tomography (DECT), have been found to provide information on the deposition of MSU crystals in tissues, and the consequences of such deposition...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931958/imaging-in-the-diagnosis-and-management-of-peripheral-psoriatic-arthritis-the-clinical-utility-of-magnetic-resonance-imaging-and-ultrasonography
#11
REVIEW
Mikkel Østergaard, Lihi Eder, Sara Nysom Christiansen, Gurjit S Kaeley
Psoriatic arthritis (PsA) is an inflammatory joint disease characterised by the presence of arthritis and often enthesitis and/or spondylitis in patients with psoriasis. However, it presents a wide range of disease manifestations in various patterns. Imaging is an important part of management of PsA, and is used for multiple reasons including establishing/confirming a diagnosis of inflammatory joint disease, determining the extent of disease, monitoring activity and damage, assessing therapeutic efficacy, and identifying complications of disease or treatment, in the setting of clinical practice or clinical studies...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931957/imaging-in-the-diagnosis-and-management-of-axial-spondyloarthritis
#12
REVIEW
Xenophon Baraliakos, Walter P Maksymowych
Magnetic resonance imaging (MRI) is the imaging modality of choice for diagnosing axial spondyloarthritis (SpA) when the pelvic radiograph is normal or equivocal. Subchodral bone marrow edema (BME) is the primary feature of early SpA, although structural changes, particularly erosions, may also be seen at an early stage. It is unclear whether incorporation of structural lesions enhances the classification performance of a positive MRI definition based on BME alone. Neither spinal imaging nor contrast-enhanced imaging are useful for routine diagnostic evaluation...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931956/diagnosis-and-management-of-rheumatoid-arthritis-what-is-the-current-role-of-established-and-new-imaging-techniques-in-clinical-practice
#13
REVIEW
Maria Antonietta D'Agostino, Espen A Haavardsholm, Conny J van der Laken
Ultrasound and magnetic resonance imaging (MRI) have become established imaging techniques for the management of rheumatoid arthritis. Several publications have pointed out the advantages of these techniques for a more complete evaluation of the inflammation and structural damage at joint level. Recently new imaging techniques as the positron emission tomography (PET) associated with computed tomography (CT) or MRI scan, and the optical imaging have been introduced in the panorama. This article presents the advantages and limitations of each imaging techniques in light with the recent publications...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931086/liver-involvement-in-patients-with-pizz-emphysema-candidates-for-lung-transplantation
#14
Lise Morer, Laurence Choudat, Gaelle Dauriat, Francois Durand, Dominique Cazals-Hatem, Gabriel Thabut, Olivier Brugière, Yves Castier, Hervé Mal
Information about the prevalence and nature of liver disorders in adults with alpha1-antitrypsin deficiency is scarce. At our center, systematic liver biopsy screening is part of the evaluation before lung transplantation (LT) in the emphysema patients with the PiZZ phenotype. Our aim was to report our experience with this prospective screening. Clinical, liver function and imaging parameters as well as liver histology data were analyzed for 23 consecutive adult patients with PiZZ severe emphysema referred to our center for consideration of LT from 2006 to 2014...
December 8, 2016: American Journal of Transplantation
https://www.readbyqxmd.com/read/27931057/-quantification-of-ventilation-inflammation-perfusion-and-structure-vips
#15
J Renne, J Vogel-Claussen
Technical innovation in pulmonary imaging during the recent years has led to a shift from morphological description of pulmonary pathologies to regional quantification of pulmonary function. This article summarizes current clinical standards in pulmonary imaging and introduces the reader to new innovative techniques of functional lung imaging. In the context of actual clinical studies for COPD, asthma, pulmonary hypertension and cystic fibrosis the application of quantitative imaging methods using computed tomography and magnetic resonance imaging is demonstrated and possible future applications are discussed...
December 2016: Pneumologie
https://www.readbyqxmd.com/read/27930545/application-of-stereotactic-biopsy-for-diagnosing-intracranial-lesions-in-patients-with-aids-in-china-report-of-7-cases
#16
Ji-Bo Zhang, Kai Fu, Rui Gong, Xue-Meng Liu, Li-Dao Chen, Yong-Xi Zhang, Gui-Fang Yang, Jie Zhang
RATIONALE: The aim of the study was to evaluate stereotactic biopsy for diagnosing intracranial lesions in patients with AIDS. PATIENT CONCERNS: Seven AIDS patients with an intracranial lesion who underwent stereotactic biopsy were included in this retrospective study (4 males and 3 females, 15 to 49 years old). The patients' disease history ranged from 1 month to 1 year. The samples were examined by hematoxylin-eosin (HE) staining and immunohistochemical examination...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27929741/cerebral-microvascular-dysfunction-and-inflammation-are-improved-by-centrally-acting-antihypertensive-drugs-in-metabolic-syndrome
#17
Vanessa Estato, Alessandro Nascimento, Barbara Antunes, Fabiana Gomes, Laura Coelho, Raquel Rangel, Luciana Garzoni, Anissa Daliry, Pascal Bousquet, Eduardo Tibiriçá
BACKGROUND: We aimed to investigate the effects of chronic oral treatment with centrally acting antihypertensive drugs, such as clonidine (CLO), an α2-adrenoceptor agonist, or LNP599, a selective I1 imidazoline receptor agonist, on brain microvascular function in rats with high-fat diet (HFD)-induced metabolic syndrome. METHODS: Male Wistar Kyoto rats were maintained on a normal diet (CON) or a HFD for 20 weeks. After this period, the HFD group received oral CLO (0...
December 8, 2016: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/27928227/baicalin-and-geniposide-inhibit-the-development-of-atherosclerosis-by-increasing-wnt1-and-inhibiting-dickkopf-related-protein-1-expression
#18
Bin Wang, Ping-Ping Liao, Li-Hua Liu, Xin Fang, Wei Li, Si-Ming Guan
BACKGROUND: Our previous study showed that the combined Chinese herbs containing scutellaria baicalensis georgi and gardenia jasminoids ellis inhibited atherosclerosis. In this study, we sought to determine if baicalin and geniposide could inhibit atherosclerosis through Wnt1 and dickkopf-related protein-1 (DKK1). METHODS: The wild-type and ApoE(-/-) mice were treated with baicalin, geniposide, and baicalin plus geniposide daily by gavage for 12 weeks. Blood lipid levels were measured with an automatic biochemistry analyzer...
October 2016: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/27927700/cardiac-%C3%AE-v%C3%AE-3-integrin-expression-following-acute-myocardial-infarction-in-humans
#19
William S A Jenkins, Alex T Vesey, Colin Stirrat, Martin Connell, Christophe Lucatelli, Anoushka Neale, Catriona Moles, Anna Vickers, Alison Fletcher, Tania Pawade, Ian Wilson, James H F Rudd, Edwin J R van Beek, Saeed Mirsadraee, Marc R Dweck, David E Newby
OBJECTIVE: Maladaptive repair contributes towards the development of heart failure following myocardial infarction (MI). The αvβ3 integrin receptor is a key mediator and determinant of cardiac repair. We aimed to establish whether αvβ3 integrin expression determines myocardial recovery following MI. METHODS: (18)F-Fluciclatide (a novel αvβ3-selective radiotracer) positron emission tomography (PET) and CT imaging and gadolinium-enhanced MRI (CMR) were performed in 21 patients 2 weeks after ST-segment elevation MI (anterior, n=16; lateral, n=4; inferior, n=1)...
December 7, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/27925039/metaplastic-squamous-cell-carcinoma-of-the-breast-a-case-report-and-literature-review
#20
Luciana Graziano, Paschoal Graziano, Almir Galvão Vieira Bitencourt, Daniel Bernal Soto, Alexandre Hiro, Cíntia Camillo Nunes
Metaplastic tumors are rare and represent a heterogeneous group of neoplasms showing dominant areas of non-glandular differentiation. Etiology and pathogenesis of this type of lesion in the breast is uncertain. The most common sources of metastatic squamous cell carcinoma of the breast are lung, esophagus, cervix, and urinary bladder. Squamous cell carcinomas may present clinically with inflammation and average size greater than breast adenocarcinoma. As for imaging studies, mammography shows no typical findings and ultrasound can show a complicated cyst or an inflammatory process, among the differential diagnoses...
October 2016: Revista da Associação Médica Brasileira
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