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https://www.readbyqxmd.com/read/28301534/the-spermatogenic-process-of-the-common-vampire-bat-desmodus-rotundus-under-a-histomorphometric-view
#1
Danielle Barbosa Morais, Luciano Carlos Heringer Porcaro Puga, Tarcízio Antônio Rêgo de Paula, Mariella Bontempo Duca Freitas, Sérgio Luis Pinto da Matta
Among all bat species, Desmodus rotundus stands out as one of the most intriguing due to its exclusively haematophagous feeding habits. However, little is known about their spermatogenic cycle. This study aimed at describing the spermatogenic process of common vampire bats through testicular histomorphometric characterization of adult specimens, spermatogenic production indexes, description of stages of the seminiferous epithelium cycle and estimative of the spermatogenic process duration. Morphometrical and immunohistochemical analyzes for bromodeoxiuridine were conducted under light microscopy and ultrastructural analyzes were performed under transmission electron microscopy...
2017: PloS One
https://www.readbyqxmd.com/read/28279350/autophagy-and-neurodegeneration-pathogenic-mechanisms-and-therapeutic-opportunities
#2
REVIEW
Fiona M Menzies, Angeleen Fleming, Andrea Caricasole, Carla F Bento, Stephen P Andrews, Avraham Ashkenazi, Jens Füllgrabe, Anne Jackson, Maria Jimenez Sanchez, Cansu Karabiyik, Floriana Licitra, Ana Lopez Ramirez, Mariana Pavel, Claudia Puri, Maurizio Renna, Thomas Ricketts, Lars Schlotawa, Mariella Vicinanza, Hyeran Won, Ye Zhu, John Skidmore, David C Rubinsztein
Autophagy is a conserved pathway that delivers cytoplasmic contents to the lysosome for degradation. Here we consider its roles in neuronal health and disease. We review evidence from mouse knockout studies demonstrating the normal functions of autophagy as a protective factor against neurodegeneration associated with intracytoplasmic aggregate-prone protein accumulation as well as other roles, including in neuronal stem cell differentiation. We then describe how autophagy may be affected in a range of neurodegenerative diseases...
March 8, 2017: Neuron
https://www.readbyqxmd.com/read/28261077/commentary-gain-in-body-fat-is-associated-with-increased-striatal-response-to-palatable-food-cues-whereas-body-fat-stability-is-associated-with-decreased-striatal-response
#3
COMMENT
Silvia Cerolini, Mariella Pazzaglia, Caterina Lombardo
No abstract text is available yet for this article.
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28260061/subgingival-dysbiosis-in-smoker-and-non%C3%A2-smoker-patients-with-chronic-periodontitis
#4
Lorena Coretti, Mariella Cuomo, Ermanno Florio, Domenico Palumbo, Simona Keller, Raffaela Pero, Lorenzo Chiariotti, Francesca Lembo, Carlo Cafiero
Periodontitis is one of the most common oral inflammatory diseases, and results in connective tissue degradation and gradual tooth loss. It manifests with formation of periodontal pockets, in which anaerobic and Gram‑negative bacteria proliferate rapidly. Consequently, alteration of the subgingival microbiota is considered the primary etiologic agent of periodontitis. Previous studies have reported that smokers are at increased risk of periodontal disease, in both prevalence and severity, indicating that smoking is a risk factor for the onset and progression of the pathology...
March 1, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28256274/artefact-formation-during-acid-hydrolysis-of-saponins-from-medicago-spp
#5
Aldo Tava, Elisa Biazzi, Mariella Mella, Paolo Quadrelli, Pinarosa Avato
Artefact compounds obtained during acid hydrolysis of saponins from Medicago spp. (Fabaceae), have been monitored and evaluated by GC-FID. Their identification has been performed by GC-MS and (1)H and (13)C NMR. Saponins with different substituents on the triterpenic pentacyclic aglycones were considered, and their hydrolysis products were detected and quantified during 10 h of time course reaction. From soyasapogenol B glycoside the well known soyasapogenols B, C, D and F were obtained together with a previously undescribed sapogenol artefact identified as 3β,22β,24-trihydroxyolean-18(19)-en and named soyasapogenol H...
February 28, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28246439/the-interplay-between-defensins-and-microbiota-in-crohn-s-disease
#6
REVIEW
Lorena Coretti, Alessandro Natale, Mariella Cuomo, Ermanno Florio, Simona Keller, Francesca Lembo, Lorenzo Chiariotti, Raffaela Pero
Crohn's disease (CD) is a chronic inflammation of the intestinal mucosa, characterized by periods of acute recurrence and remission. Depending on the specific region affected, CD is classified as ileal CD or colonic CD. It is largely accepted that the intestinal microbiota is involved in the onset of the pathology. Indeed, a reduced immune tolerance to components of the intestinal commensal microbiota and inflammation of the intestinal barrier typifies patients with CD. Several studies have shown defective expression of intestinal antimicrobial peptides (AMPs) in patients with CD compared to controls, particularly defensins...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28243184/feasibility-and-impact-of-an-8-week-integrative-yoga-program-in-people-with-moderate-multiple-sclerosis-related-disability-a-pilot-study
#7
Evan T Cohen, David Kietrys, Susan Gould Fogerite, Mariella Silva, Kristen Logan, Donald A Barone, J Scott Parrott
BACKGROUND: This pilot study determined the feasibility of a specifically designed 8-week yoga program for people with moderate multiple sclerosis (MS)-related disability. We explored the program's effect on quality of life (QOL) and physical and mental performance. METHODS: We used a single-group design with repeated measurements at baseline, postintervention, and 8-week follow-up. Feasibility was examined through cost, recruitment, retention, attendance, and safety...
January 2017: International Journal of MS Care
https://www.readbyqxmd.com/read/28242000/cytokine-levels-in-colostrum-and-in-foals-serum-pre-and-post-suckling
#8
J Mariella, C Castagnetti, A Prosperi, A Scagliarini, A Peli
The purpose of this study is to investigate the presence of IL-4, IL-8, IL-13 and IFN-γ in equine colostrum and in foals' serum. Samples were obtained from 14 mares and their healthy foals. Soon after parturition, 10ml of colostrum was collected, filtered, centrifuged and frozen until assayed. Blood samples were obtained from each foal at birth (TO) and again after 24h (T24), after which they were frozen until assayed. Serum IgG was measured at 24h of age with an immunoturbidimetric quantitative method. Cytokine concentration was determined using commercially available ELISA tests...
March 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28238699/effect-of-ammonia-on-the-gene-expression-levels-of-the-freshwater-cyclopoid-eucyclops-serrulatus
#9
Tiziana Di Lorenzo, Marco Melita, Marco Cifoni, Diana M P Galassi, Alessio Iannucci, Stefano Biricolti, Massimo Gori, Mariella Baratti
Ammonia pollution is a critical issue in Europe, since more than half of the European freshwater bodies actually fail to meet EU quality standards for this chemical. In this study, the response of stress-related genes to a sublethal ammonia concentration has been investigated in the adults of the freshwater cyclopoid Eucyclops serrulatus. Two short-term exposures (12h and 24h) at 12mg/L NH4(+) have been tested. Results indicate that 12mg/L NH4(+) causes a significant increase in the expression of some proteins, namely CAT, HSP90 and HSP40, suggesting an activation of the protecting antioxidant system after both 12h and 24h...
February 21, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28228797/femoral-neck-s-fracture-in-fahr-s-syndrome-case-report
#10
Marcello Sallì, Antonio D'Arienzo, Mariella Bonanno, Salvatore Morello, Antonino Sanfilippo, Giulia Letizia Mauro, Michele D'Arienzo
Fahr's syndrome, also known as "Bilateral Striopallidodentate Calcinosis" (BSPDC) primitive, is a rare neurological disease characterized by the presence of idiopathic, bilateral, symmetrical and abnormal deposition of calcium in areas of the brain that control movements including the basal ganglia, dentate nuclei of the cerebellum, nuclei of thalamus and semi-oval center. We describe a case of a 76-year-old male patient underwent reduction and fixation of a subtrochanteric fracture with intramedullary nail...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28218606/microvascular-dysfunction-following-st-elevation-myocardial-infarction-and-its-recovery-over-time-is-associated-with-short-and-long-term-cardiac-function
#11
Mariëlla E C J Hassell, Matthijs Bax, Martijn A van Lavieren, Robin Nijveldt, Alexander Hirsch, Lourens Robbers, Koen M Marques, Jan G P Tijssen, Felix Zijlstra, Albert C van Rossum, Ronak Delewi, Jan J Piek
AIMS: It is unclear whether microvascular dysfunction following ST-elevation myocardial infarction (STEMI) is prognostic for long-term left ventricular function (LVF). and whether recovery of the microvasculature status is associated with LVF improvement. METHODS AND RESULTS: In 62 patients, Coronary Flow Reserve (CFR) and Hyperemic Microvascular Resistance Index (HMRI) in the infarct related artery (IRA) was assessed by intracoronary Doppler flow measurements within 1 week and at 4 months...
February 21, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28216230/activation-of-a-cryptic-splice-site-in-the-mitochondrial-elongation-factor-gfm1-causes-combined-oxphos-deficiency
#12
Mariella T Simon, Bobby G Ng, Marisa W Friederich, Raymond Y Wang, Monica Boyer, Martin Kircher, Renata Collard, Kati J Buckingham, Richard Chang, Jay Shendure, Deborah A Nickerson, Michael J Bamshad, Johan L K Van Hove, Hudson H Freeze, Jose E Abdenur
We report the clinical, biochemical, and molecular findings in two brothers with encephalopathy and multi-systemic disease. Abnormal transferrin glycoforms were suggestive of a type I congenital disorder of glycosylation (CDG). While exome sequencing was negative for CDG related candidate genes, the testing revealed compound heterozygous mutations in the mitochondrial elongation factor G gene (GFM1). One of the mutations had been reported previously while the second, novel variant was found deep in intron 6, activating a cryptic splice site...
February 12, 2017: Mitochondrion
https://www.readbyqxmd.com/read/28176262/modifications-in-resting-state-functional-anticorrelation-between-default-mode-network-and-dorsal-attention-network-comparison-among-young-adults-healthy-elders-and-mild-cognitive-impairment-patients
#13
Roberto Esposito, Filippo Cieri, Piero Chiacchiaretta, Nicoletta Cera, Mariella Lauriola, Massimo Di Giannantonio, Armando Tartaro, Antonio Ferretti
Resting state brain activity incorporates different components, including the Default Mode Network and the Dorsal Attention Network, also known as task-negative network and task-positive network respectively. These two networks typically show an anticorrelated activity during both spontaneous oscillations and task execution. However modifications of this anticorrelated activity pattern with age and pathology are still unclear. The present study aimed to investigate differences in resting state Default Mode Network-Dorsal Attention Network functional anticorrelation among young adults, healthy elders and Mild Cognitive Impairment patients...
February 7, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28104717/clinical-targeted-exome-based-sequencing-in-combination-with-genome-wide-copy-number-profiling-precision-medicine-analysis-of-203-pediatric-brain-tumors
#14
Shakti H Ramkissoon, Pratiti Bandopadhayay, Jaeho Hwang, Lori A Ramkissoon, Noah F Greenwald, Steven E Schumacher, Ryan O'Rourke, Nathan Pinches, Patricia Ho, Hayley Malkin, Claire Sinai, Mariella Filbin, Ashley Plant, Wenya Linda Bi, Michael S Chang, Edward Yang, Karen D Wright, Peter E Manley, Matthew Ducar, Sanda Alexandrescu, Hart Lidov, Ivana Delalle, Liliana C Goumnerova, Alanna J Church, Katherine A Janeway, Marian H Harris, Laura E MacConaill, Rebecca D Folkerth, Neal I Lindeman, Charles D Stiles, Mark W Kieran, Azra H Ligon, Sandro Santagata, Adrian M Dubuc, Susan N Chi, Rameen Beroukhim, Keith L Ligon
BACKGROUND: Clinical genomics platforms are needed to identify targetable alterations, but implementation of these technologies and best practices in routine clinical pediatric oncology practice are not yet well established. METHODS: Profile is an institution-wide prospective clinical research initiative that uses targeted sequencing to identify targetable alterations in tumors. OncoPanel, a multiplexed targeted exome-sequencing platform that includes 300 cancer-causing genes, was used to assess single nucleotide variants and rearrangements/indels...
January 19, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28087054/care-pathway-of-patients-with-metastatic-pancreatic-cancer-in-daily-practice-in-france-results-from-the-repere-national-survey
#15
Pascal Hammel, Romain Coriat, Gérard Lledo, Mariella de Bausset, Marion Selosse, Stéphane Obled, Franck Bonnetain
Data in the literature regarding the care pathway of pancreatic cancer patients are limited. The objective of the REPERE survey was to identify and describe the initial stages of the care pathway of pancreatic patients in the metastatic phase. From May to October 2015, 62 oncologists (ON) or gastroenterologists specialized in digestive oncology (GESDO) and 300 general practitioners (GP) completed an electronic questionnaire on the pathway of 728 patients recently diagnosed with metastatic pancreatic adenocarcinoma...
January 11, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28054442/markers-and-function-of-human-nk-cells-in-normal-and-pathological-conditions
#16
REVIEW
Genny Del Zotto, Emanuela Marcenaro, Paola Vacca, Simona Sivori, Daniela Pende, Mariella Della Chiesa, Francesca Moretta, Tiziano Ingegnere, Maria Cristina Mingari, Alessandro Moretta, Lorenzo Moretta
Natural killer (NK) cells, the most important effectors of the innate lymphoid cells (ILCs), play a fundamental role in tumor immune-surveillance, defense against viruses and, in general, in innate immune responses. NK cell activation is mediated by several activating receptors and co-receptors able to recognize ligands on virus-infected or tumor cells. To prevent healthy cells from auto-aggression, NK cells are provided with strong inhibitory receptors (KIRs and NKG2A) which recognize HLA class I molecules on target cells and, sensing their level of expression, allow killing of targets underexpressing HLA-class I...
January 5, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28049529/analysis-of-the-factors-affecting-the-evolution-over-time-of-subclinical-hypothyroidism-in-children
#17
EDITORIAL
Mariella Valenzise, Tommaso Aversa, Giuseppina Zirilli, Giuseppina Salzano, Domenico Corica, Simona Santucci, Filippo De Luca
Aim of this commentary is to report the most recent views about natural history of subclinical hypothyroidism (SH) according to the different etiologies. In children with idiopathic SH the natural evolution is often favourable, with a high percentage of cases reverting to euthyroidism or remaining SH even after a prolonged follow-up. By contrast, the risk of a significant deterioration of thyroid status is distinctly higher in the SH children with Hashimoto's thyroiditis (HT). This risk is even higher in the cases with both HT-related SH and chromosomal abnormalities, such as Turner or Down's syndrome...
January 3, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28039964/degenerative-joint-diseases-and-neuroinflammation
#18
REVIEW
Mariella Fusco, Stephen D Skaper, Stefano Coaccioli, Antonella Paladini, Giustino Varrassi
Rheumatic and joint diseases, as exemplified by osteoarthritis and rheumatoid arthritis, are among the most widespread painful and disabling pathologies across the globe. Given the continuing rise in life expectancy, their prevalence is destined to grow. Osteoarthritis, a degenerative joint disease, is, in particular, on its way to becoming the fourth leading cause of disability worldwide by 2020, with the rising incidence of obesity in addition to age being important factors. It is estimated that 25% of osteoarthritic individuals are unable to perform daily activities...
December 31, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28034954/a-flowering-locus-c-homolog-is-a-vernalization-regulated-repressor-in-brachypodium-and-is-cold-regulated-in-wheat
#19
Neha Sharma, Philip Ruelens, Mariëlla D'hauw, Thomas Maggen, Niklas Dochy, Sanne Torfs, Kerstin Kaufmann, Antje Rohde, Koen Geuten
Winter cereals require prolonged cold to transition from vegetative to reproductive development. This process, referred to as vernalization, has been extensively studied in Arabidopsis (Arabidopsis thaliana). In Arabidopsis, a key flowering repressor called FLOWERING LOCUS C (FLC) quantitatively controls the vernalization requirement. By contrast, in cereals, the vernalization response is mainly regulated by the VERNALIZATION genes, VRN1 and VRN2 Here, we characterize ODDSOC2, a recently identified FLC ortholog in monocots, knowing that it belongs to the FLC lineage...
February 2017: Plant Physiology
https://www.readbyqxmd.com/read/28034600/sleep-changes-without-medial-temporal-lobe-or-brain-cortical-changes-in-community-dwelling-individuals-with-subjective-cognitive-decline
#20
Mariella Lauriola, Roberto Esposito, Stefano Delli Pizzi, Massimiliano de Zambotti, Francesco Londrillo, Joel H Kramer, Gil D Rabinovici, Armando Tartaro
INTRODUCTION: Subjective cognitive decline (SCD) is a risk factor for mild cognitive impairment (MCI) and Alzheimer's disease (AD). Although sleep has been shown to be altered in MCI and AD, little is known about sleep in SCD. METHODS: Seventy cognitively normal community-dwelling participants were classified as SCD (32) or controls (38) using the Subjective Cognitive Decline Questionnaire. Sleep was assessed using actigraphy and diaries. FreeSurfer was used for performing medial temporal lobes (MTLs) and brain cortical parcellation of 3T magnetic resonance images...
December 27, 2016: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
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