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https://www.readbyqxmd.com/read/28321120/decision-analysis-of-allogeneic-hematopoietic-stem-cell-transplantation-for-patients-with-myelodysplastic-syndrome-stratified-according-to-the-revised-international-prognostic-scoring-system-ipss-r
#1
M G Della Porta, C H Jackson, E P Alessandrino, M Rossi, A Bacigalupo, M T van Lint, M Bernardi, B Allione, A Bosi, S Guidi, V Santini, L Malcovati, M Ubezio, C Milanesi, E Todisco, M T Voso, P Musto, F Onida, A P Iori, R Cerretti, G Grillo, A Molteni, P Pioltelli, L Borin, E Angelucci, E Oldani, S Sica, C Pascutto, V Ferretti, A Santoro, F Bonifazi, M Cazzola, A Rambaldi
Allogeneic hematopoietic stem cell transplantation (allo-SCT) represents the only curative treatment for patients with myelodysplastic syndrome (MDS), but involves non-negligible morbidity and mortality. Crucial questions in clinical decision making include the definition of optimal timing of the procedure and the benefit of cytoreduction before transplant in high risk patients. We carried out a decision analysis on 1728 MDS who received supportive care, transplantation or hypomethylating agents (HMAs). Risk assessment was based on the revised International Prognostic Scoring System (IPSS-R)...
March 21, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28300830/smad7-knockdown-activates-protein-kinase-rna-associated-eif2%C3%AE-pathway-leading-to-colon-cancer-cell-death
#2
Veronica De Simone, Gerolamo Bevivino, Silvia Sedda, Roberta Izzo, Federica Laudisi, Vincenzo Dinallo, Eleonora Franzè, Alfredo Colantoni, Angela Ortenzi, Silvia Salvatori, Piero Rossi, Giuseppe S Sica, Massimo C Fantini, Carmine Stolfi, Giovanni Monteleone
Upregulation of Smad7, an inhibitor of transforming growth factor-β1 (TGF-β1), occurs in sporadic colorectal cancer (CRC) and knockdown of Smad7 inhibits CRC cell growth, a phenomenon that associates with decreased expression of cell division cycle 25 homolog A and arrest of cells in the S phase of the cell cycle. These findings occur in CRC cells unresponsive to TGF-β1, thus suggesting the existence of a Smad7-mediated TGF-β1-independent mechanism that controls CRC cell behavior. Here we show that Smad7 inhibition with a specific Smad7 antisense oligonucleotide upregulates eukaryotic translation initiation factor 2α (eIF2α) phosphorylation, a transcription factor involved in the regulation of cell cycle arrest and induction of cell death, and induces activating transcription factor 4 (ATF4) and CCAAT/enhancer binding protein homology protein (CHOP), two downstream targets of eIF2α...
March 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28293713/fecal-but-not-serum-calprotectin-is-a-potential-marker-of-gvhd-after-stem-cell-transplantation
#3
Elisabetta Metafuni, Sabrina Giammarco, Daniela Giovanna De Ritis, Monica Rossi, Teresa De Michele, Cecilia Zuppi, Andrea P Bacigalupo, Simona Sica, Patrizia Chiusolo
Gastrointestinal graft-versus-host disease (GvHD) represents a life-threatening complication after stem cell transplantation. Differential diagnosis between gut GvHD and other causes of diarrhea after HSCT is still subjected to endoscopy and histological findings. The research for a reliable biomarker for gut GvHD might allow an early diagnosis of this condition and a consequent prompt treatment that could reduce unfavorable outcomes. Recently, fecal calprotectin was reported as reliable marker of gut involvement...
March 14, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28293412/h1n1-influenza-among-hematological-patients-monocentric-influenza-cases-from-2011-to-2016
#4
COMMENT
Elisabetta Metafuni, Rosaria Santangelo, Patrizia Chiusolo, Luca Laurenti, Federica Sorà, Sabrina Giammarco, Simona Sica
No abstract text is available yet for this article.
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28289710/targeting-adhesion-signaling-in-kras-lkb1-mutant-lung-adenocarcinoma
#5
Melissa Gilbert-Ross, Jessica Konen, Junghui Koo, John Shupe, Brian S Robinson, Walter Guy Wiles, Chunzi Huang, W David Martin, Madhusmita Behera, Geoffrey H Smith, Charles E Hill, Michael R Rossi, Gabriel L Sica, Manali Rupji, Zhengjia Chen, Jeanne Kowalski, Andrea L Kasinski, Suresh S Ramalingam, Haian Fu, Fadlo R Khuri, Wei Zhou, Adam I Marcus
Loss of LKB1 activity is prevalent in KRAS mutant lung adenocarcinoma and promotes aggressive and treatment-resistant tumors. Previous studies have shown that LKB1 is a negative regulator of the focal adhesion kinase (FAK), but in vivo studies testing the efficacy of FAK inhibition in LKB1 mutant cancers are lacking. Here, we took a pharmacologic approach to show that FAK inhibition is an effective early-treatment strategy for this high-risk molecular subtype. We established a lenti-Cre-induced Kras and Lkb1 mutant genetically engineered mouse model (KLLenti) that develops 100% lung adenocarcinoma and showed that high spatiotemporal FAK activation occurs in collective invasive cells that are surrounded by high levels of collagen...
March 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28282088/-history-of-the-department-of-neurology-at-the-university-of-buenos-aires-1887-2007
#6
Ricardo F Allegri, Leonardo Bartoloni, Roberto E Sica
In 1887, only five years after Jean-Martin Charcot was awarded the Head of Neurology at "La Salpetrière" in Paris, José María Ramos Mejía became the first professor of Neurology in South America, at the School of Medicine of the University of Buenos Aires. Ramos Mejía convoked three assistants, the neuropathologist Christofredo Jakob, the clinician José A. Esteves and José Ingenieros. Hence it followed that Neurology in Argentina took a stand based on a clinical neurology-neuropathology approach (1941-1987) followed by a clinical-semiological attitude, finally inserting itself within the modern times (1987-present) by creating subspecialties...
July 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28278316/assays-for-pd-l1-expression-do-all-roads-lead-to-rome
#7
Gabriel L Sica, Suresh S Ramalingam
No abstract text is available yet for this article.
March 9, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28267567/safety-assessment-of-mushrooms-in-dietary-supplements-by-combining-analytical-data-with-in-silico-toxicology-evaluation
#8
Karen M VanderMolen, Jason G Little, Vincent P Sica, Tamam El-Elimat, Huzefa A Raja, Nicholas H Oberlies, Timothy R Baker, Catherine Mahony
Despite growing popularity in dietary supplements, many medicinal mushrooms have not been evaluated for their safe human consumption using modern techniques. The multifaceted approach described here relies on five key principles to evaluate the safety of non-culinary fungi for human use: (1) identification by sequencing the nuclear ribosomal internal transcribed spacer (ITS) region (commonly referred to as ITS barcoding), (2) screening an extract of each fungal raw material against a database of known fungal metabolites, (3) comparison of these extracts to those prepared from grocery store-bought culinary mushrooms using UHPLCPDA-ELS-HRMS, (4) review of the toxicological and chemical literature for each fungus, and (5) evaluation of data establishing presence in-market...
March 4, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28253977/high-throughput-quantification-of-gfp-lc3-dots-by-automated-fluorescence-microscopy
#9
J M Bravo-San Pedro, F Pietrocola, V Sica, V Izzo, A Sauvat, O Kepp, M C Maiuri, G Kroemer, L Galluzzi
Macroautophagy is a specific variant of autophagy that involves a dedicated double-membraned organelle commonly known as autophagosome. Various methods have been developed to quantify the size of the autophagosomal compartment, which is an indirect indicator of macroautophagic responses, based on the peculiar ability of microtubule-associated protein 1 light chain 3 beta (MAP1LC3B; best known as LC3) to accumulate in forming autophagosomes upon maturation. One particularly convenient method to monitor the accumulation of mature LC3 within autophagosomes relies on a green fluorescent protein (GFP)-tagged variant of this protein and fluorescence microscopy...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28237099/assessment-of-glycolytic-flux-and-mitochondrial-respiration-in-the-course-of-autophagic-responses
#10
V Sica, J M Bravo-San Pedro, F Pietrocola, V Izzo, M C Maiuri, G Kroemer, L Galluzzi
Autophagy is an evolutionarily conserved process that mediates prominent homeostatic functions, both at the cellular and organismal level. Indeed, baseline autophagy not only ensures the disposal of cytoplasmic entities that may become cytotoxic upon accumulation, but also contributes to the maintenance of metabolic fitness in physiological conditions. Likewise, autophagy plays a fundamental role in the cellular and organismal adaptation to homeostatic perturbations of metabolic, physical, or chemical nature...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28223316/energy-metabolism-drives-myeloid-derived-suppressor-cell-differentiation-and-functions-in-pathology
#11
REVIEW
Antonio Sica, Laura Strauss
Over the last decade, a heterogeneous population of immature myeloid cells with major regulatory functions has been described in cancer and other pathologic conditions and ultimately defined as MDSCs. Most of the early work on the origins and functions of MDSCs has been in murine and human tumor bearers in which MDSCs are known to be immunosuppressive and to result in both reduced immune surveillance and antitumor cytotoxicity. More recent studies, however, suggest that expansion of these immature myeloid cells may be linked to most, if not all, chronic and acute inflammatory processes...
February 21, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28181291/comparing-intravenous-and-oral-proton-pump-inhibitor-therapy-for-bleeding-peptic-ulcers-following-endoscopic-management-a-systematic-review-and-meta-analysis
#12
A Tringali, R Manta, M Sica, G Bassotti, R Marmo, M Mutignani
BACKGROUND AND AIMS: The efficacy of proton pump inhibitors (PPI) has been demonstrated for bleeding peptic ulcers but the route of administration remains controversial. Several studies demonstrated that high dose oral PPI are as effective as intravenous PPI in reducing recurrent bleeding. However, current guidelines recommend intravenous PPI after endoscopic treatment. Previous data based on inadequate numbers to reach a firm conclusion suggested that oral and intravenous PPI had equivalent efficacy...
February 9, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28152849/a-novel-auditing-procedure-for-an-oral-chemotherapy-process-improvement-project
#13
R Alejandro Sica, Katherine Sencion, Amer Sidani, Christina Haaf, Diana Sullivan, Neeta K Venepalli
164 Background: A process to standardize ordering, documentation, and administration of inpatient oral chemotherapy was implemented at the University of Illinois Hospital and Health Sciences System. The process requires oncology clinician review and endorsement of inpatient oral chemotherapy drug orders via an oral chemotherapy note within the electronic health record. Pharmacists are instructed to reject oral chemotherapy drug orders that lack this required documentation. A novel auditing procedure was established in order to track adherence to these new requirements and provide real time and adaptable feedback to front-line staff critical to the project's success...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28121308/early-genetic-consequences-of-defaunation-in-a-large-seeded-vertebrate-dispersed-palm-syagrus-romanzoffiana
#14
M I Giombini, S P Bravo, Y V Sica, D S Tosto
Plant populations are seriously threatened by anthropogenic habitat disturbance. In particular, defaunation may disrupt plant-disperser mutualisms, thus reducing levels of seed-mediated gene flow and genetic variation in animal-dispersed plants. This may ultimately limit their adaptive potential and ability to cope with environmental change. Tropical forest remnants are typically deprived of medium to large vertebrates upon which many large-seeded plants rely for accomplishing effective seed dispersal. Our main goal was to examine the potential early genetic consequences of the loss of large vertebrates for large-seeded vertebrate-dispersed plants...
January 25, 2017: Heredity
https://www.readbyqxmd.com/read/28114341/the-major-depressive-disorder-hierarchy-rasch-analysis-of-6-items-of-the-hamilton-depression-scale-covering-the-continuum-of-depressive-syndrome
#15
Lucas Primo de Carvalho Alves, Marcelo Pio de Almeida Fleck, Aline Boni, Neusa Sica da Rocha
OBJECTIVES: Melancholic features of depression (MFD) seem to be a unidimensional group of signs and symptoms. However, little importance has been given to the evaluation of what features are related to a more severe disorder. That is, what are the MFD that appear only in the most depressed patients. We aim to demonstrate how each MFD is related to the severity of the major depressive disorder. METHODS: We evaluated both the Hamilton depression rating scale (HDRS-17) and its 6-item melancholic subscale (HAM-D6) in 291 depressed inpatients using Rasch analysis, which computes the severity of each MFD...
2017: PloS One
https://www.readbyqxmd.com/read/28088482/combined-spatiotemporal-ica-stica-for-continuous-and-dynamic-lag-structure-analysis-of-mreg-data
#16
Ville Raatikainen, Niko Huotari, Vesa Korhonen, Aleksi Rasila, Janne Kananen, Lauri Raitamaa, Tuija Keinänen, Jussi Kantola, Osmo Tervonen, Vesa Kiviniemi
This study investigated lag structure in the resting-state fMRI by applying a novel independent component (ICA) method to magnetic resonance encephalography (MREG) data. Briefly, the spatial ICA (sICA) was used for defining the frontal and back nodes of the default mode network (DMN), and the temporal ICA (tICA), which is enabled by the high temporal resolution of MREG (TR=100ms), was used to separate both neuronal and physiological components of these two spatial map regions. Subsequently, lag structure was investigated between the frontal (DMNvmpf) and posterior (DMNpcc) DMN nodes using both conventional method with all-time points and a sliding-window approach...
January 12, 2017: NeuroImage
https://www.readbyqxmd.com/read/28078070/stem-cells-and-tissue-niche-two-faces-of-the-same-coin-of-muscle-regeneration
#17
Bianca Maria Scicchitano, Gigliola Sica, Antonio Musarò
Capacity of adult muscle to regenerate in response to injury stimuli represents an important homeostatic process. Regeneration is a highly coordinated program that partially recapitulates the embryonic developmental program. However, muscle regeneration is severely compromised in several pathological conditions. It is likely that the restricted tissue repair program under pathological conditions is due to either progressive loss of stem cell populations or to missing signals that limit the damaged tissues to efficiently activate a regenerative program...
September 15, 2016: European Journal of Translational Myology
https://www.readbyqxmd.com/read/28076841/clonal-evolution-in-therapy-related-neoplasms
#18
Emiliano Fabiani, Giulia Falconi, Luana Fianchi, Marianna Criscuolo, Tiziana Ottone, Laura Cicconi, Stefan Hohaus, Simona Sica, Massimiliano Postorino, Antonino Neri, Marta Lionetti, Giuseppe Leone, Francesco Lo-Coco, Maria Teresa Voso
Therapy-related myeloid neoplasms (t-MN) may occur as a late effect of cytotoxic therapy for a primary malignancy or autoimmune diseases in susceptible individuals. We studied the development of somatic mutations in t-MN, using a collection of follow-up samples from 14 patients with a primary hematologic malignancy, who developed a secondary leukemia (13 t-MN and 1 t-acute lymphoblastic leukemia), at a median latency of 73 months (range 18-108) from primary cancer diagnosis.Using Sanger and next generation sequencing (NGS) approaches we identified 8 mutations (IDH1 R132H, ASXL1 Y591*, ASXL1 S689*, ASXL1 R693*, SRSF2 P95H, SF3B1 K700E, SETBP1 G870R and TP53 Y220C) in seven of thirteen t-MN patients (54%), whereas the t-ALL patient had a t(4,11) translocation, resulting in the KMT2A/AFF1 fusion gene...
January 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28059601/metabolic-interactions-between-cysteamine-and-epigallocatechin-gallate
#19
Valentina Izzo, Federico Pietrocola, Valentina Sica, Sylvère Durand, Sylvie Lachkar, David Enot, José Manuel Bravo-San Pedro, Alexis Chery, Speranza Esposito, Valeria Raia, Luigi Maiuri, Maria Chiara Maiuri, Guido Kroemer
Phase II clinical trials indicate that the combination of cysteamine plus epigallocatechin gallate (EGCG) is effective against cystic fibrosis in patients bearing the most frequent etiological mutation (CFTRΔF508). Here, we investigated the interaction between both agents on cultured respiratory epithelia cells from normal and CFTRΔF508-mutated donors. We observed that the combination of both agents affected metabolic circuits (and in particular the tricarboxylic acid cycle) in a unique way and that cysteamine plus EGCG reduced cytoplasmic protein acetylation more than each of the 2 components alone...
February 2017: Cell Cycle
https://www.readbyqxmd.com/read/27994937/the-growing-need-for-microservices-in-bioinformatics
#20
Christopher L Williams, Jeffrey C Sica, Robert T Killen, Ulysses G J Balis
OBJECTIVE: Within the information technology (IT) industry, best practices and standards are constantly evolving and being refined. In contrast, computer technology utilized within the healthcare industry often evolves at a glacial pace, with reduced opportunities for justified innovation. Although the use of timely technology refreshes within an enterprise's overall technology stack can be costly, thoughtful adoption of select technologies with a demonstrated return on investment can be very effective in increasing productivity and at the same time, reducing the burden of maintenance often associated with older and legacy systems...
2016: Journal of Pathology Informatics
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