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https://www.readbyqxmd.com/read/29722823/immunogenicity-and-immunological-memory-induced-by-the-13-valent-pneumococcal-conjugate-followed-by-the-23-valent-polysaccharide-vaccine-in-hiv-infected-adults
#1
Paraskevi F Farmaki, Maria C Chini, Nikolaos M Mangafas, Marianna T Tzanoudaki, Christina P Piperi, Marios Z Lazanas, Vana S Spoulou
Background: Vaccine-induced memory B-cell (MBC) subsets have distinct roles in the establishment of protective immunity; MBCs expressing nonswitched immunoglobulin M (IgM+ MBCs) replenish the MBC pool, whereas MBCs expressing isotype-switched immunoglobulin (sIg+ MBCs) differentiate into plasma cells upon antigen reencounter. We investigated immunogenicity and MBCs induced by combined 13-valent pneumococcal conjugate vaccine (PCV13) and 23-valent pneumococcal polysaccharide vaccine (PPV23) in human immunodeficiency virus (HIV)-infected adults...
May 2, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29721241/syphilis-infection-in-an-hiv-patient-presenting-with-leukemoid-reaction-case-report-and-review-of-the-literature
#2
Athina Lioni, Markela-Pagonitsa Zorzou, Christina Kollia, Dimitrios Loulakis, Fotini Ntziora, Fotini Stergiou, Maria Boboli, Maria Chini
Leukemoid reaction (LR) is an uncommon though dreadful sign for the treating physician, as it is related to increased mortality. In the few series that have addressed its incidence and clinical significance, infectious causes count for about half of the cases of LR, the rest accounting for cancer, drugs or rarer causes. In the HIV setting, it represents an even rarer event, owing probably to the impaired granulocytic response of AIDS patients to bacterial agents. However no report exists as to the incidence of LR to the immune-restored HIV patients adequately treated with antiretroviral therapy (ART)...
March 29, 2018: Infectious Disease Reports
https://www.readbyqxmd.com/read/29719225/a-potent-and-specific-cd38-inhibitor-ameliorates-age-related-metabolic-dysfunction-by-reversing-tissue-nad-decline
#3
Mariana G Tarragó, Claudia C S Chini, Karina S Kanamori, Gina M Warner, Ariel Caride, Guilherme C de Oliveira, Micaela Rud, Adrienne Samani, Kyaw Z Hein, Runqing Huang, Diana Jurk, Dong Seong Cho, James J Boslett, Jordan D Miller, Jay L Zweier, João F Passos, Jason D Doles, David J Becherer, Eduardo N Chini
Aging is characterized by the development of metabolic dysfunction and frailty. Recent studies show that a reduction in nicotinamide adenine dinucleotide (NAD+ ) is a key factor for the development of age-associated metabolic decline. We recently demonstrated that the NADase CD38 has a central role in age-related NAD+ decline. Here we show that a highly potent and specific thiazoloquin(az)olin(on)e CD38 inhibitor, 78c, reverses age-related NAD+ decline and improves several physiological and metabolic parameters of aging, including glucose tolerance, muscle function, exercise capacity, and cardiac function in mouse models of natural and accelerated aging...
May 1, 2018: Cell Metabolism
https://www.readbyqxmd.com/read/29616922/moderate-hyperhomocysteinemia-along-with-increased-levels-of-b-12-in-a-21-y-boy-with-the-sanfilippo-syndrome-in-poor-nutritional-status
#4
Paraskevi Detopoulou, Maria Chini, Garifalia Kalonarchi, Maria Detopoulou, Vasilios Papamikos, Vassiliki Tzavara, Marios K Lazanas
No abstract text is available yet for this article.
April 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29609507/biomechanical-characterization-of-the-junzuki-karate-punch-indexes-of-performance
#5
Martina Rinaldi, Yasmen Nasr, Ghada Atef, Fabiano Bini, Tiwana Varrecchia, Carmela Conte, Giorgia Chini, Alberto Ranavolo, Francesco Draicchio, Francesco Pierelli, Mokhtar Amin, Franco Marinozzi, Mariano Serrao
The aims of this study were: (i) to determine kinematic, kinetic, and electromyographic characteristics of Junzuki karate punch in professional karate athletes; (ii) to identify biomechanical parameters that correlate with punch force and lead to a higher punching performance; (iii) to verify the presence of muscle co-activation in the upper limb, trunk, and lower limb muscles. Data were collected from nine experienced karatekas from the Accademia Italiana Karate e Arti Marziali during the execution of the specific punch...
April 3, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29590430/the-fungal-phytotoxin-lasiojasmonate-a-activates-the-plant-jasmonic-acid-pathway
#6
Andrea Chini, Alessio Cimmino, Marco Masi, Pierluigi Reveglia, Paola Nocera, Roberto Solano, Antonio Evidente
Jasmonates are signaling compounds that regulate plant responses to stress. Jasmonic acid (JA) is the direct precursor of the bioactive plant hormone JA-Ile, the ligand of the COI1-JAZ co-receptor complex. JA, its methyl ester and three furanonyl esters were recently isolated from the grapevine pathogen Lasiodiplodia mediterannea sp. The JA ester lasiojasmonate A (LasA) is the first reported naturally occurring JA-furanone, whose mode of action is currently unexplored. Here we show that LasA activates many JA-regulated responses in planta, including protein degradation, gene expression, and physiological processes...
March 24, 2018: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29504622/water-soluble-derivatives-of-platinum-carbonyl-chini-clusters-synthesis-molecular-structures-and-cytotoxicity-of-pt-12-co-20-pta-4-2-and-pt-15-co-25-pta-5-2
#7
Lucinda K Batchelor, Beatrice Berti, Cristiana Cesari, Iacopo Ciabatti, Paul J Dyson, Cristina Femoni, Maria C Iapalucci, Matteo Mor, Silvia Ruggieri, Stefano Zacchini
The reactions of [Pt3n(CO)6n]2- (n = 2-5) homoleptic Chini-type clusters with increasing amounts of 1,3,5-triaza-7-phosphaadamantane (PTA) result in the stepwise substitution of one terminal CO ligand per Pt3 triangular unit up to the formation of [Pt3n(CO)5n(PTA)n]2- (n = 2-5). Competition between the nonredox substitution with retention of the nuclearity and the redox fragmentation to afford lower nuclearity heteroleptic Chini-type clusters is observed as a function of the amount of PTA and the nuclearity of the starting cluster...
March 26, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29491587/awareness-attitude-and-prevalence-of-usage-of-magnification-devices-among-the-dental-practitioners-in-the-state-of-andhra-pradesh-a-questionnaire-based-study
#8
Gautami Subhadra Penmetsa, Loda Princee Mani, Gadde Praveen, Chini Dorai Dwarakanath, S Suresh
Background: Dentistry, dealing with teeth and supporting tissues in the oral cavity is not only an ever-evolving science but also an art combined with good eye-hand coordination. It not only encompasses clinical and theoretical skills which play a crucial role in the success of therapy but also a lot of intrinsic work is accomplished in dentistry. In a journey to fulfill the above accomplishments and for facilitating early diagnosis of pathologies which usually go unnoticed, a clearer and magnified field of vision are also essential...
September 2017: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/29482842/the-pharmacology-of-cd38-nadase-an-emerging-target-in-cancer-and-diseases-of-aging
#9
REVIEW
Eduardo N Chini, Claudia C S Chini, Jair Machado Espindola Netto, Guilherme C de Oliveira, Wim van Schooten
Recent reports indicate that intracellular NAD levels decline in tissues during chronological aging, and that therapies aimed at increasing cellular NAD levels could have beneficial effects in many age-related diseases. The protein CD38 (cluster of differentiation 38) is a multifunctional enzyme that degrades NAD and modulates cellular NAD homeostasis. At the physiological level, CD38 has been implicated in the regulation of metabolism and in the pathogenesis of multiple conditions including aging, obesity, diabetes, heart disease, asthma, and inflammation...
April 2018: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/29482330/observation-of-endoplasmic-reticulum-tubules-via-tof-sims-tandem-mass-spectrometry-imaging-of-transfected-cells
#10
Corryn E Chini, Gregory L Fisher, Ben Johnson, Michael M Tamkun, Mary L Kraft
Advances in three-dimensional secondary ion mass spectrometry (SIMS) imaging have enabled visualizing the subcellular distributions of various lipid species within individual cells. However, the difficulty of locating organelles using SIMS limits efforts to study their lipid compositions. Here, the authors have assessed whether endoplasmic reticulum (ER)-Tracker Blue White DPX® , which is a commercially available stain for visualizing the endoplasmic reticulum using fluorescence microscopy, produces distinctive ions that can be used to locate the endoplasmic reticulum using SIMS...
February 26, 2018: Biointerphases
https://www.readbyqxmd.com/read/29476764/genetic-deletion-of-cd38-confers-post-ischemic-myocardial-protection-through-preserved-pyridine-nucleotides
#11
James Boslett, Moustafa Helal, Eduardo Chini, Jay L Zweier
Following the onset of ischemia/reperfusion (I/R), CD38 activation occurs and is associated with depletion of NAD(P)(H) in the heart as well as myocardial injury and endothelial dysfunction. Studies with pharmacological inhibitors suggest that the NADP+ -hydrolyzing ability of CD38 can deplete the NAD(P)(H) pools. However, there is a need for more specific studies on the importance of CD38 and its role in the process of endothelial dysfunction and myocardial injury in the post-ischemic heart. Therefore, experiments were performed in hearts of mice with global gene knockout of CD38...
May 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29379852/dataset-on-gait-patterns-in-degenerative-neurological-diseases
#12
Mariano Serrao, Giorgia Chini, Matteo Bergantino, Diego Sarnari, Carlo Casali, Carmela Conte, Alberto Ranavolo, Christian Marcotulli, Martina Rinaldi, Gianluca Coppola, Fabiano Bini, Francesco Pierelli, Franco Marinozzi
We collected the gait parameters and lower limb joint kinematics of patients with three different types of primary degenerative neurological diseases: (i) cerebellar ataxia (19 patients), (ii) hereditary spastic paraparesis (26 patients), and (iii) Parkinson's disease (32 patients). Sixty-five gender-age matched healthy subjects were enrolled as control group. An optoelectronic motion analysis system was used to measure time-distance parameters and lower limb joint kinematics during gait in both patients and healthy controls...
February 2018: Data in Brief
https://www.readbyqxmd.com/read/29374167/discovery-of-new-molecular-entities-able-to-strongly-interfere-with-hsp90-c-terminal-domain
#13
Stefania Terracciano, Alessandra Russo, Maria G Chini, Maria C Vaccaro, Marianna Potenza, Antonio Vassallo, Raffaele Riccio, Giuseppe Bifulco, Ines Bruno
Heat shock protein 90 (Hsp90) is an ATP dependent molecular chaperone deeply involved in the complex network of cellular signaling governing some key functions, such as cell proliferation and survival, invasion and angiogenesis. Over the past years the N-terminal protein domain has been fully investigated as attractive strategy against cancer, but despite the many efforts lavished in the field, none of the N-terminal binders (termed "classical inhibitors"), currently in clinical trials, have yet successfully reached the market, because of the detrimental heat shock response (HSR) that showed to induce; thus, recently, the selective inhibition of Hsp90 C-terminal domain has powerfully emerged as a more promising alternative strategy for anti-cancer therapy, not eliciting this cell rescue cascade...
January 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29361862/poorly-differentiated-neuroendocrine-carcinoma-of-the-sigmoid-tract-in-long-standing-ulcerative-colitis-report-of-a-case-and-review-of-the-literature
#14
Elena Bolzacchini, Claudio Chini, Claudio Camillo Cortelezzi, Ilaria Vallini, Graziella Pinotti, Stefano La Rosa, Silvia Uccella
A 37-year-old male with long-standing and extensive ulcerative pancolitis developed a rapidly lethal poorly differentiated neuroendocrine carcinoma (NEC) in the sigmoid colon. Prior biopsies obtained from multiple sites of the colon during endoscopic surveillance showed minimal inflammatory changes and no sign of dysplasia. Patients with inflammatory bowel disease (IBD) are at increased risk of colorectal malignancies, and adenocarcinoma is the most common type of colorectal neoplasm associated with ulcerative colitis and Crohn's disease, but other types of epithelial and nonepithelial tumors have also been described in IBD...
January 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29338035/genome-wide-identification-of-wheat-and-brachypodium-type-one-protein-phosphatases-and-functional-characterization-of-durum-wheat-tdpp1a
#15
Mariem Bradai, Habib Mahjoubi, Andrea Chini, Marie-Edith Chabouté, Moez Hanin, Chantal Ebel
Reversible phosphorylation is an essential mechanism regulating signal transduction during development and environmental stress responses. An important number of dephosphorylation events in the cell are catalyzed by type one protein phosphatases (PP1), which catalytic activity is driven by the binding of regulatory proteins that control their substrate specificity or subcellular localization. Plants harbor several PP1 isoforms accounting for large functional redundancies. While animal PP1s were reported to play relevant roles in controlling multiple cellular processes, plant orthologs remain poorly studied...
2018: PloS One
https://www.readbyqxmd.com/read/29291349/an-opr3-independent-pathway-uses-4-5-didehydrojasmonate-for-jasmonate-synthesis
#16
Andrea Chini, Isabel Monte, Angel M Zamarreño, Mats Hamberg, Steve Lassueur, Philippe Reymond, Sally Weiss, Annick Stintzi, Andreas Schaller, Andrea Porzel, José M García-Mina, Roberto Solano
Biosynthesis of the phytohormone jasmonoyl-isoleucine (JA-Ile) requires reduction of the JA precursor 12-oxo-phytodienoic acid (OPDA) by OPDA reductase 3 (OPR3). Previous analyses of the opr3-1 Arabidopsis mutant suggested an OPDA signaling role independent of JA-Ile and its receptor COI1; however, this hypothesis has been challenged because opr3-1 is a conditional allele not completely impaired in JA-Ile biosynthesis. To clarify the role of OPR3 and OPDA in JA-independent defenses, we isolated and characterized a loss-of-function opr3-3 allele...
February 2018: Nature Chemical Biology
https://www.readbyqxmd.com/read/29207896/rho-gtpase-effectors-and-nad-metabolism-in-cancer-immune-suppression
#17
REVIEW
Mahmoud Chaker, Audrey Minden, Suzie Chen, Robert H Weiss, Eduardo N Chini, Amit Mahipal, Asfar S Azmi
Sustained proliferative signaling and de-regulated cellular bioenergetics are two of the chief hallmarks of cancer. Alterations in the Ras pathway and its downstream effectors are among the major drivers for uncontrolled cell growth in many cancers. The GTPases are one of the signaling molecules that activate crucial signal transducing pathways downstream of Ras through several effector proteins. The GTPases (GTP bound) interact with several effectors and modulate a number of different biological pathways including those that regulate cytoskeleton, cellular motility, cytokinesis, proliferation, apoptosis, transcription and nuclear signaling...
January 2018: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/29158049/down-regulation-of-pro-inflammatory-pathways-by-tanshinone-iia-and-cryptotanshinone-in-a-non-genetic-mouse-model-of-alzheimer-s-disease
#18
Francesco Maione, Marialuisa Piccolo, Simona De Vita, Maria Giovanna Chini, Claudia Cristiano, Carmen De Caro, Pellegrino Lippiello, Maria Concetta Miniaci, Rita Santamaria, Carlo Irace, Vincenzo De Feo, Antonio Calignano, Nicola Mascolo, Giuseppe Bifulco
Alzheimer's disease (AD) is a common form of dementia mainly characterized by the deposition of neurofibrillary tangles and β-amyloid (Aβ) peptides in the brain. Additionally, increasing evidence demonstrates that a neuro-inflammatory state plays a key role in the development of this disease. Beside synthetic drugs, the use of natural compounds represents an alternative for the development of new potential drugs for the treatment of AD. Among these, the root of Salvia miltiorhiza Bunge (also known as Danshen) used for the treatment of cardiovascular, cerebrovascular disease and CNS functional decline in Chinese traditional medicine is one of the most representative examples...
March 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29156703/preclinical-efficacy-of-the-novel-competitive-nampt-inhibitor-stf-118804-in-pancreatic-cancer
#19
Jair Machado Espindola-Netto, Claudia C S Chini, Mariana Tarragó, Enfeng Wang, Shamit Dutta, Krishnendu Pal, Debabrata Mukhopadhyay, Mauro Sola-Penna, Eduardo N Chini
NAD salvage is one of the pathways used to generate NAD in mammals. Nicotinamide phosphoribosyltransferase (NAMPT), the rate-limiting enzyme in this pathway, uses nicotinamide (NAM) to generate nicotinamide mononucleotide (NMN). NMN is one of the main precursors of NAD synthesis in cells. Our previous study showed the importance of NAMPT in maintaining NAD levels in pancreatic ductal adenocarcinoma cells (PDAC), and that the NAMPT inhibitor FK866 decreased pancreatic cancer growth. We now tested the effect of STF-118804, a new highly specific NAMPT inhibitor, in models of pancreatic ductal adenocarcinoma...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137167/transmission-dynamics-of-hiv-1-drug-resistance-among-treatment-na%C3%A3-ve-individuals-in-greece-the-added-value-of-molecular-epidemiology-to-public-health
#20
Dimitrios Paraskevis, Evangelia Kostaki, Panagiotis Gargalianos, Georgios Xylomenos, Marios Lazanas, Maria Chini, Athanasios Skoutelis, Vasileios Papastamopoulos, Dimitra Paraskeva, Anastasia Antoniadou, Antonios Papadopoulos, Mina Psichogiou, Georgios L Daikos, Georgios Chrysos, Vasileios Paparizos, Sofia Kourkounti, Helen Sambatakou, Nikolaos V Sipsas, Malvina Lada, Periklis Panagopoulos, Efstratios Maltezos, Stylianos Drimis, Angelos Hatzakis
The presence of human immunodeficiency virus type 1 (HIV-1) drug resistance among drug-naïve patients remains stable, although the proportion of patients with virological failure to therapy is decreasing. The dynamics of transmitted resistance among drug-naïve patients remains largely unknown. The prevalence of non-nucleoside reverse transcriptase inhibitors (NNRTI) resistance was 16.9% among treatment-naïve individuals in Greece. We aimed to investigate the transmission dynamics and the effective reproductive number ( Re ) of the locally transmitted NNRTI resistance...
November 13, 2017: Genes
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