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https://www.readbyqxmd.com/read/29756399/distinct-progression-pattern-of-susceptibility-mri-in-the-substantia-nigra-of-parkinson-s-patients
#1
Guangwei Du, Mechelle M Lewis, Christopher Sica, Lu He, James R Connor, Lan Kong, Richard B Mailman, Xuemei Huang
BACKGROUND: Susceptibility MRI may capture Parkinson's disease-related pathology. This study delineated longitudinal changes in different substantia nigra regions. METHODS: Seventy-two PD patients and 62 controls were studied at both baseline and after 18 months with MRI. R2* and quantitative susceptibility mapping values from the substantia nigra pars compacta and substantia nigra pars reticulata were calculated. Mixed-effects models compared controls with PD or PD subgroups having different disease durations: early (<1 year), middle (<5 years, middle-stage PD), and late (>5 years, late-stage PD)...
May 14, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29756231/susceptibility-mri-captures-nigral-pathology-in-patients-with-parkinsonian-syndromes
#2
Mechelle M Lewis, Guangwei Du, Jennifer Baccon, Amanda M Snyder, Ben Murie, Felicia Cooper, Christy Stetter, Lan Kong, Christopher Sica, Richard B Mailman, James R Connor, Xuemei Huang
BACKGROUND: Parkinsonisms are neurodegenerative disorders characterized pathologically by α-synuclein-positive (e.g., PD, diffuse Lewy body disease, and MSA) and/or tau-positive (e.g., PSP, cortical basal degeneration) pathology. Using R2* and quantitative susceptibility mapping, susceptibility changes have been reported in the midbrain of living parkinsonian patients, although the exact underlying pathology of these alterations is unknown. OBJECTIVE: The current study investigated the pathological correlates of these susceptibility MRI measures...
May 14, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29744421/smart-biomaterials-surfaces-functionalized-with-proteolytically-stable-osteoblast-adhesive-peptides
#3
Annj Zamuner, Paola Brun, Michele Scorzeto, Giuseppe Sica, Ignazio Castagliuolo, Monica Dettin
Engineered scaffolds for bone tissue regeneration are designed to promote cell adhesion, growth, proliferation and differentiation. Recently, covalent and selective functionalization of glass and titanium surfaces with an adhesive peptide (HVP) mapped on [351-359] sequence of human Vitronectin allowed to selectively increase osteoblast attachment and adhesion strength in in vitro assays, and to promote osseointegration in in vivo studies. For the first time to our knowledge, in this study we investigated the resistance of adhesion sequences to proteolytic digestion: HVP was completely cleaved after 5 h...
September 2017: Bioactive Materials
https://www.readbyqxmd.com/read/29742212/accidental-strangulation-in-children-by-the-automatic-closing-of-a-car-window
#4
Kailene Serena, Jefferson Pedro Piva, Cinara Andreolio, Paulo Roberto Antonacci Carvalho, Tais Sica da Rocha
Among the main causes of death in our country are car accidents, drowning and accidental burns. Strangulation is a potentially fatal injury and an important cause of homicide and suicide among adults and adolescents. In children, its occurrence is usually accidental. However, in recent years, several cases of accidental strangulation in children around the world have been reported. A 2-year-old male patient was strangled in a car window. The patient was admitted to the pediatric intensive care unit with a Glasgow Coma Scale score of 8 and presented with progressive worsening of respiratory dysfunction and torpor...
March 2018: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/29735635/case-of-refractory-hypertension-controlled-after-aortic-and-mitral-valve-replacement-and-coronary-artery-bypass-grafting
#5
Mohammed Siddiqui, Robert A Phillips, Michael Bursztyn, Domenic Sica, Alejandro Velasco, Eric K Judd, Tanja Dudenbostel, Steven G Lloyd, Suzanne Oparil, David A Calhoun
No abstract text is available yet for this article.
May 7, 2018: Hypertension
https://www.readbyqxmd.com/read/29727417/hypofibrinogenemia-and-pediatric-sepsis-another-piece-of-the-puzzle
#6
Jefferson P Piva, Pedro Celiny R Garcia, Tais Sica da Rocha
No abstract text is available yet for this article.
May 2018: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29721920/acquired-peripheral-pulmonary-artery-aneurysms-morphological-spectrum-of-disease-and-multidetector-computed-tomography-angiography-findings-cases-series-and-literature-review
#7
REVIEW
Tullio Valente, Ahmad Abu-Omar, Giacomo Sica, Alfredo Clemente, Massimo Muto, Giorgio Bocchini, Salvatore Cappabianca, Gaetano Rea
BACKGROUND: Acquired peripheral or intraparenchymal pulmonary artery aneurysms (PPAA) are rare entities but are important to recognize because of the associated morbidity. Hemoptysis is their principal complication and is a potentially fatal condition. PURPOSE: To illustrate the causes, multidetector CT angiography (MDCTA) findings and differential diagnosis of acquired PPAA. MATERIALS AND METHODS: The institutional review boards approved this study...
May 2, 2018: La Radiologia Medica
https://www.readbyqxmd.com/read/29721745/hemoglobin-level-and-xrcc1-polymorphisms-to-select-patients-with-locally-advanced-rectal-cancer-candidate-for-neoadjuvant-chemoradiotherapy-with-concurrent-capecitabine-and-a-platinum-salt
#8
Vincenzo Formica, Michaela Benassi, Giovanna Del Vecchio Blanco, Elena Doldo, Laura Martano, Ilaria Portarena, Antonella Nardecchia, Jessica Lucchetti, Cristina Morelli, Emilia Giudice, Piero Rossi, Alessandro Anselmo, Pierpaolo Sileri, Giuseppe Sica, Augusto Orlandi, Riccardo Santoni, Mario Roselli
A platinum salt (oxaliplatin or cisplatin) is widely used to enhance chemoradation (CRT) response. The potential of cisplatin in neoadjuvant CRT for locally advanced rectal cancer (LARC) has not been fully investigated. Consecutive patients with histologically confirmed LARC were treated with standard pelvic radiotherapy and concurrent cisplatin plus capecitabine (CisCape CRT). Surgery and eight cycles of adjuvant FOLFOX4 were offered to all patients after CRT. Common biochemical variables and key germline genetic polymorphisms were analyzed as predictors of pathological complete response (pCR)...
May 2, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29721199/rapid-methods-to-create-a-positive-control-and-identify-the-pax8-ppar%C3%AE-rearrangement-in-fna-thyroid-samples-by-molecular-biology
#9
Emilia Vuttariello, Elio Biffali, Raimondo Pannone, Anna Capiluongo, Mario Monaco, Valentina Sica, Concetta Aiello, Marco Matuozzo, Maria Grazia Chiofalo, Gerardo Botti, Gennaro Chiappetta
Thyroid cancer is the most common malignancy of the endocrine system and includes well-differentiated forms, namely papillary and follicular carcinomas, and the poorly differentiated and undifferentiated forms that result from the transformation of thyroid follicular cells (anaplastic carcinomas). Notably, 5-10% of all thyroid cancers are medullary thyroid cancers that arise from parafollicular cells also known as C cells. The most common genetic mutations in papillary and follicular thyroid cancers are point mutations of the BRAF or RAS genes, while the most common chromosomal alterations are RET/PTC and PAX8/PPARγ rearrangements...
April 10, 2018: Oncotarget
https://www.readbyqxmd.com/read/29714656/the-added-value-of-chemical-shift-mri-in-the-preoperative-diagnosis-of-thymolipoma
#10
Lucio Calandriello, Anna Rita Larici, Giuliano Sica, Mario Ciliberto, Riccardo Manfredi
Thymolipoma is a rare tumor of the thymus. Classic radiologic findings of thymolipoma include fatty masses of the anterior mediastinum in conjunction with the thymus. Differential diagnosis with other more aggressive entities like liposarcoma and teratoma can be challenging. We report a case where chemical shift magnetic resonance imaging helped in the differential diagnosis.
March 1, 2018: Tumori
https://www.readbyqxmd.com/read/29697715/catatonia-in-the-medically-ill-etiology-diagnosis-and-treatment-the-academy-of-consultation-liaison-psychiatry-evidence-based-medicine-subcommittee-monograph
#11
Lex Denysenko, Nicole Sica, Thomas M Penders, Kemuel L Philbrick, Audrey Walker, Scott Shaffer, Paula Zimbrean, Oliver Freudenreich, Nicole Rex, Brendan T Carroll, Andrew Francis
BACKGROUND: Catatonia in medically ill patients is rare but often unrecognized. This monograph summarizes current knowledge on the diagnosis, epidemiology, etiology, and management of catatonia occurring in the medical setting. METHODS: PubMed searches were used to identify relevant articles from 1962 to present. RESULTS: More than 3,000 articles were obtained and reviewed for relevance, including references of articles identified by the initial search...
May 2018: Annals of Clinical Psychiatry: Official Journal of the American Academy of Clinical Psychiatrists
https://www.readbyqxmd.com/read/29669578/characterization-of-inflammatory-cell-infiltrate-of-scleroderma-skin-b-cells-and-skin-score-progression
#12
Silvia Bosello, Cristiana Angelucci, Gina Lama, Stefano Alivernini, Gabriella Proietti, Barbara Tolusso, Gigliola Sica, Elisa Gremese, Gianfranco Ferraccioli
BACKGROUND: The purpose of this study was to investigate the frequency and the distribution of inflammatory cell infiltrate in two sets of cutaneous biopsies derived from clinically affected and unaffected skin in patients with systemic sclerosis (SSc) and to test correlation between the cell infiltrate and the progression of skin involvement. METHODS: Skin was immunohistochemically assessed to identify CD68, CD3, CD20 and CD138-positive (+) cells in clinically affected and unaffected skin in 28 patients with SSc...
April 18, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29588321/pro-tumor-steering-of-cancer-inflammation-by-p50-nf-%C3%AE%C2%BAb-enhances-colorectal-cancer-progression
#13
Chiara Porta, Alessandro Ippolito, Francesca Maria Consonni, Lorenzo Carraro, Giuseppe Celesti, Carmen Correale, Fabio Grizzi, Fabio Pasqualini, Silvia Tartari, Maurizio Rinaldi, Paolo Bianchi, Fiorella Balzac, Stefania Vetrano, Emilia Turco, Emilio Hirsch, Luigi Laghi, Antonio Sica
Although tumor-associated macrophages (TAMs) display a M2-skewed tumor-promoting phenotype in most cancers, in colorectal cancer (CRC), both TAM polarization and its impact remain controversial. We investigated the role of the M2-polarizing p50 NF-κB subunit in orchestrating TAM phenotype, tumor microenvironment composition, and CRC progression. We first demonstrate, by parallel studies in colitis-associated cancer (CAC) and in genetically driven ApcMin mouse models, that the p50-dependent inhibition of M1-polarized gut inflammation supports CRC development...
March 27, 2018: Cancer Immunology Research
https://www.readbyqxmd.com/read/29551969/detecting-large-scale-brain-networks-using-eeg-impact-of-electrode-density-head-modeling-and-source-localization
#14
Quanying Liu, Marco Ganzetti, Nicole Wenderoth, Dante Mantini
Resting state networks (RSNs) in the human brain were recently detected using high-density electroencephalography (hdEEG). This was done by using an advanced analysis workflow to estimate neural signals in the cortex and to assess functional connectivity (FC) between distant cortical regions. FC analyses were conducted either using temporal (tICA) or spatial independent component analysis (sICA). Notably, EEG-RSNs obtained with sICA were very similar to RSNs retrieved with sICA from functional magnetic resonance imaging data...
2018: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/29549172/transplant-outcome-for-patients-with-acquired-aplastic-anemia-over-the-age-of-40-has-the-outcome-improved
#15
LETTER
Sabrina Giammarco, Régis Peffault de Latour, Simona Sica, Carlo Dufour, Gerard Socie, Jakob Passweg, Nicolaus Kröger, Eefke Petersen, Maria Teresa Van Lint, Rosi Oneto, Alessio Signori, Andrea Bacigalupo
No abstract text is available yet for this article.
April 26, 2018: Blood
https://www.readbyqxmd.com/read/29516593/lower-levels-of-brain-derived-neurotrophic-factor-are-associated-with-melancholic-psychomotor-retardation-among-depressed-inpatients
#16
Lucas Primo de Carvalho Alves, Neusa Sica da Rocha
OBJECTIVES: Melancholic depression is a type of depression which is closely related to biological variables than are other types of depression. Its clinical features can be assessed using six items on the Hamilton Depression Rating Scale (HAM-D6 ). Previous studies have shown, using item response theory, that the symptom depressed mood is the least severe melancholic feature; work and activities, somatic symptoms and psychic anxiety are of moderate severity; and feelings of guilt and psychomotor retardation are the most severe...
March 8, 2018: Bipolar Disorders
https://www.readbyqxmd.com/read/29511135/retroperitoneoscopic-varicocelectomy-in-adolescents-long-term-follow-up-in-two-italian-centres
#17
Molinaro Francesco, Cobellis Giovanni, Cerchia Elisa, Ferrara Francesco, Tallarico Rosella, Sica Marina, Noviello Carmine, Martino Ascanio, Angotti Rossella, Messina Mario
Background: The varicocele is the most commonly diagnosed pre-pubertal andrological condition with an incidence of 10%-15% between adolescents. The aim of this study was to evaluate the efficacy of retroperitoneoscopic varicocelectomy (RV) in two Italian centres with particular attention to post-operative testicular volume and semen analysis after 18 years of life. Materials and Methods: From 1999 to 2010, 286 adolescents underwent retroperitoneoscopic left varicocelectomy...
April 2017: African Journal of Paediatric Surgery: AJPS
https://www.readbyqxmd.com/read/29507793/clinical-diagnosis-of-malignant-pleural-mesothelioma
#18
REVIEW
Andrea Bianco, Tullio Valente, Maria Luisa De Rimini, Giacomo Sica, Alfonso Fiorelli
Malignant pleural mesothelioma (MPM) is a tumour which, despite progress in diagnostic procedures and biomolecular research, has poor prognosis. Symptoms reflect extension of disease and include shortness of breath and chest pain. Unexplained pleural effusion and pleural pain in patients exposed to asbestos should raise the suspicion of MPM. MPM diagnosis requires imaging procedures X-ray and computed tomography (CT) scans; magnetic resonance imaging (MRI) better defines the extension of the tumor while PET scanning provides additional information on metabolic activity, metastases, and response to treatment...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29484684/clinical-pathological-and-biological-characterization-of-richter-syndrome-developing-after-ibrutinib-treatment-for-relapsed-chronic-lymphocytic-leukemia
#19
Idanna Innocenti, Davide Rossi, Giulio Trapè, Francesco Autore, Luigi Maria Larocca, Vincenzo Gomes, Michaela Cerri, Paolo Falcucci, Simona Sica, Gianluca Gaidano, Luca Laurenti
Richter syndrome, a transformation of chronic lymphocytic leukemia (CLL) into a diffuse large B-cell lymphoma, is a rare complication of patients treated with chemo-immunotherapy. Richter syndrome might be both clonally related or unrelated to the underlying CLL and often showed mutations of the TP53 and NOTCH1 genes. Recently, ibrutinib was approved for patients with relapsed/refractory CLL or for untreated CLL patients with del 17p or TP53 mutation. The clinical picture, pathology, and genetics of Richter transformation after IBR treatment are largely unknown...
February 27, 2018: Hematological Oncology
https://www.readbyqxmd.com/read/29465713/hydrochlorothiazide-and-alternative-diuretics-versus-renin-angiotensin-system-inhibitors-for-the-regression-of-left-ventricular-hypertrophy-a-head-to-head-meta-analysis
#20
George C Roush, Ramy Abdelfattah, Steven Song, John B Kostis, Michael E Ernst, Domenic A Sica
BACKGROUND: Found in 36-41% of hypertension, elevated left ventricular mass (LVM) independently predicts cardiovascular events and total mortality. Conversely, drug-induced regression of LVM predicts improved outcomes. Previous studies have favored renin-angiotensin system inhibitors (RASIs) over other antihypertensives for reducing LVM but ignored differences among thiazide-type diuretics. From evidence regarding potency, cardiovascular events, and electrolytes, we hypothesized a priori that 'CHIP' diuretics [CHlorthalidone, Indapamide and Potassium-sparing Diuretic/hydrochlorothiazide (PSD/HCTZ)] would rival RASIs for reducing LVM...
June 2018: Journal of Hypertension
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