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Amalia Vartanian, Maria Baryshnikova, Olga Burova, Dariya Afanasyeva, Vsevolod Misyurin, Alexander Belyаvsky, Zoya Shprakh
The increasing incidence of melanoma makes this cancer an important public health problem. Therapeutic resistance is still a major obstacle to the therapy of patients with metastatic melanomas. The aim of this study was to develop the melanoma cell line resistant to DNA-alkylating agents and to elucidate the mechanisms involved in acquired drug resistance. We established a unique melanoma subline Mel MeR resistant to DNA-alkylating drug aranoza by continuous stepwise selection of the Mel Me/WT cell line with increasing concentrations of this drug...
October 21, 2016: Melanoma Research
Dana T Anton-Pǎduraru, Amalia M Bontea, Ioana Cernescu, Smaranda Diaconescu
No abstract text is available yet for this article.
December 2016: Minerva Pediatrica
Pablo Fernández-Crehuet, Ricardo Ruiz-Villaverde, Juan J Rios-Martin, Amalia Pérez-Gil, Francisco Camacho-Martinez
No abstract text is available yet for this article.
October 21, 2016: Dermatologic Therapy
Amalia Pérez-Jiménez, Eva E Rufino-Palomares, Nieves Fernández-Gallego, M Carmen Ortuño-Costela, Fernando J Reyes-Zurita, Juan Peragón, Leticia García-Salguero, Khalida Mokhtari, Pedro P Medina, José A Lupiáñez
BACKGROUND: Metabolic syndrome is a set of pathologies among which stand out the obesity, which is related to the lipid droplet accumulation and changes to cellular morphology regulated by several molecules and transcription factors. Maslinic acid (MA) is a natural product with demonstrated pharmacological functions including anti-inflammation, anti-tumor and anti-oxidation, among others. PURPOSE: Here we report the effects of MA on the adipogenesis process in 3T3-L1 cells...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Maria Manuela Rigano, Assunta Raiola, Teresa Docimo, Valentino Ruggieri, Roberta Calafiore, Paola Vitaglione, Rosalia Ferracane, Luigi Frusciante, Amalia Barone
Solanum lycopersicum represents an important dietary source of bioactive compounds including the antioxidants flavonoids and phenolic acids. We previously identified two genotypes (IL7-3 and IL12-4) carrying loci from the wild species Solanum pennellii, which increased antioxidants in the fruit. Successively, these lines were crossed and two genotypes carrying both introgressions at the homozygous condition (DHO88 and DHO88-SL) were selected. The amount of total antioxidant compounds was increased in DHOs compared to both ILs and the control genotype M82...
2016: Frontiers in Plant Science
Hada C Macher, G Suárez-Artacho, Pilar Jiménez-Arriscado, S Álvarez-Gómez, N García-Fernández, Juan M Guerrero, Patrocini Molinero, Elena Trujillo-Arribas, M A Gómez-Bravo, Amalia Rubio
The evaluation of the transplanted liver health by non-invasive approaches may offer an improvement in early clinical intervention. As transplanted organs have genomes that are distinct from the host's genome, the quantification of the specific DNA of the donated liver in the patient serum will allow us to obtain information about its damage. We evaluated the state of transplanted liver health by monitoring the RH gene in serum circulating DNA (cirDNA) from 17 recipient and donor mismatched for this gene. cirDNA RH gene was quantified by RT- PCR before, at the moment of transplantation (day 0) and during the stay at the intensive care unit...
2016: Advances in Experimental Medicine and Biology
Marta Ferro, Hada C Macher, Pilar Noguerol, Pilar Jimenez-Arriscado, Patrocinio Molinero, Juan M Guerrero, Amalia Rubio
Fetal and Neonatal alloimmune thrombocytopenia (FNAIT) is a condition which could occur when pregnant women develop an alloimmunization against paternally inherited antigens of the fetal platelets. Approximately 80 % of FNAIT cases are caused by anti-HPA-1a, about 15 % by anti-HPA-5b and 5 % by other HPA antibodies. Only 2 % of the total population is HPA-1a negative (HPA-1b1b). The HPA-1a allele differs by one single nucleotide from HPA-1b allele, yet it represents around 27 % of total severe thrombocytopenias...
2016: Advances in Experimental Medicine and Biology
Elena Trujillo-Arribas, Hada C Macher, Pilar Jiménez-Arriscado, Fernando de la Portilla, Patrocinio Molinero, Juan M Guerrero, Amalia Rubio
Genomic characterization of cell-free circulating tumour DNA (ctDNA) may offer an opportunity to assess clonal dynamics throughout the course of a patient's illness. The existence of KRAS driver mutations in colon cancer patients is determinant to decide their treatment and to predict their outcome. DNA is extracted automatically from 400 μL of serum using the MagNa Pure Compact with the Nucleic Acid Isolation Kit I. DNA amplification, COLD-PCR and HRM were performed in the same run in the Light Cycler 480...
2016: Advances in Experimental Medicine and Biology
N García-Fernández, Hada C Macher, Amalia Rubio, Pilar Jiménez-Arriscado, C Bernal-Bellido, M L Bellido-Díaz, G Suárez-Artacho, Juan M Guerrero, M A Gómez-Bravo, Patrocinio Molinero
p53 is the most commonly mutated gene in malignant human cancers. To detect p53 mutations in circulating DNA (cirDNA) of transplanted hepatocellular carcinoma (HCC) patients could be an interesting approach to know of any tumor recurrence. In this study, our objective was to determine the utility of this method in the diagnosis and the prognosis of HCC tumor recurrence.Twenty four liver transplanted HCC patients were included in the study together with a group of healthy controls. Detection of the specific p53 mutation in cirDNA was performed by high-resolution melting PCR (HRM-PCR) and COLD-PCR immediately before the transplantation...
2016: Advances in Experimental Medicine and Biology
Luis Sala-Icardo, Amalia Lamana, Ana María Ortiz, Elena García Lorenzo, Pablo Moreno Fresneda, Rosario García-Vicuña, Isidoro González-Álvaro
OBJECTIVE: To analyze the effect of single nucleotide polymorphisms (SNPs) with well-known functional impact of methylenetetrahydrofolatereductase (MTHFR; rs1801131 and rs1801133), the membrane transporter ABCB1 (rs1045642), the AICAR transformylase/IMP cyclohydrolase (ATIC; rs2372536) and folyl-polyglutamatesynthetase (FPGS; rs1544105), on liver and bone marrow toxicity of methotrexate (MTX). PATIENTS AND METHODS: We analyzed 1415 visits from 350 patients of the PEARL (Princesa Early Arthritis Register Longitudinal) study: (732 with MTX, 683 without MTX)...
October 14, 2016: Reumatología Clinica
Marialaura Bonaccio, Augusto Di Castelnuovo, George Pounis, Amalia De Curtis, Simona Costanzo, Mariarosaria Persichillo, Chiara Cerletti, Maria Benedetta Donati, Giovanni de Gaetano, Licia Iacoviello
Low-grade inflammation is associated with increased risk of chronic degenerative disease but its relationship with mortality is less explored. We aimed at evaluating, at a large epidemiological level, the possible association of low-grade inflammation, as measured by a composite score, with overall mortality risk. We conducted a population-based prospective investigation on 20,337 adult subjects free from major haematological disease and acute inflammatory status, randomly recruited from the general population of the Moli-sani study...
October 14, 2016: Haematologica
Amalia E Yanni, Nikoleta S Stamataki, Panagiotis Konstantopoulos, Maria Stoupaki, Athanasios Abeliatis, Irene Nikolakea, Despoina Perrea, Vaios T Karathanos, Nikolaos Tentolouris
PURPOSE: Chromium (Cr)-enriched yeast supplementation to whole wheat bread (WWCrB) has been shown to ameliorate postprandial glycemic response in healthy subjects. The present study investigates the long-term benefit of WWCrB consumption for patients with type-2 diabetes mellitus (T2DM). METHODS: Thirty patients with T2DM were randomly assigned to a group receiving WWCrB or the plain whole wheat bread (WWB) group. Plasma glucose, insulin, glycosylated hemoglobin (HbA1c) and insulin resistance were determined, and oral glucose tolerance test (OGTT) was performed at the beginning and the end of the dietary intervention, which lasted for 12 weeks...
October 12, 2016: European Journal of Nutrition
Amalia Cochran
No abstract text is available yet for this article.
October 12, 2016: JAMA Surgery
Laura Borrello, Chiara Cupidi, Valentina Laganà, Maria Anfossi, Maria Elena Conidi, Nicoletta Smirne, Maria Taverniti, Roberto Guarasci, Amalia Cecilia Bruni
The rebuilding of the N family, a large Italian kindred affected by early-onset autosomal dominant Alzheimer's disease (AD), provided an important contribution to the discovery of Presenilin 1 (PSEN1), the main gene responsible for familial AD. This pedigree was identified with the help of medical records from the archives of the Psychiatric Hospital of Girifalco, Italy. The clinical record of Angela R., an ancestor of the N family, dating back to 1904, showed a clinical picture of Angela R., consistent with a diagnosis of non-amnestic probable AD, matching the "dysexecutive" phenotype described in her descendants...
October 11, 2016: Journal of Neurology
Maria Amalia Di Castro, Flavia Trettel, Giampaolo Milior, Laura Maggi, Davide Ragozzino, Cristina Limatola
Chemokines have several physio-pathological roles in the brain. Among them, the modulation of synaptic contacts and neurotransmission recently emerged as crucial activities during brain development, in adulthood, upon neuroinflammation and neurodegenerative diseases. CXCL16 is a chemokine normally expressed in the brain, where it exerts neuroprotective activity against glutamate-induced damages through cross communication with astrocytes and the involvement of the adenosine receptor type 3 (A3R) and the chemokine CCL2...
October 10, 2016: Scientific Reports
Amalia R Driller-Colangelo, Karen W L Chau, Jessica M Morgan, Nathan D Derr
Cytoplasmic dynein is a minus-end directed microtubule-based motor protein that drives intracellular cargo transport in eukaryotic cells. Although many intracellular cargos are propelled by small groups of dynein motors, the biophysical mechanisms governing ensemble motility remain largely unknown. To investigate the emergent motility of motor ensembles, we have designed a programmable DNA origami synthetic cargo "chassis" enabling us to control the number of dynein motors in the ensemble and vary the rigidity of the cargo chassis itself...
October 8, 2016: Cytoskeleton
Natividade de Sá Couto-Pereira, Charles Francisco Ferreira, Carine Lampert, Danusa Mar Arcego, Ana Paula Toniazzo, Juliana Rombaldi Bernardi, Diego Carrilho da Silva, Eduardo Von Poser Toigo, Luisa Amalia Diehl, Rachel Krolow, Patrícia Pelufo Silveira, Carla Dalmaz
Neonatal handling (H) and maternal separation (MS) both induce changes in maternal care, but the contribution of these changes to the behavioral and neurochemical outcomes of the offspring remains unclear, as studies often find opposite results concerning the frequency of maternal behaviors, particularly in the MS paradigm. In this study, behavior displayed by H, MS and non-handled (NH) Wistar rat dams were observed during the first 10days after birth. A tentative assessment of the quality of maternal care was made, using a previously reported score that reflects behavior fragmentation and inconsistency...
October 4, 2016: International Journal of Developmental Neuroscience
Fulvio Ricceri, Carlotta Sacerdote, Maria Teresa Giraudo, Francesca Fasanelli, Giulia Lenzo, Matteo Galli, Sabina Sieri, Valeria Pala, Giovanna Masala, Benedetta Bendinelli, Rosario Tumino, Graziella Frasca, Paolo Chiodini, Amalia Mattiello, Salvatore Panico
BACKGROUND: A consistent association has been reported between low socioeconomic status (SES) and cardiovascular events (CE), whereas the association between SES and cerebrovascular events (CBVD) is less clear. The aim of this study was to investigate the association between SES (measured using education) and CE/CBVD in a cohort study, as well as to investigate lifestyle and clinical risk factors, to help to clarify the mechanisms by which SES influences CE/CBVD. MATERIAL AND METHODS: We searched for diagnoses of CE and CBVD in the clinical records of 47,749 members of the EPICOR cohort (average follow-up time: 11 years)...
2016: PloS One
Amalia Katafigioti, Ioannis Katafigiotis, Stavros Sfoungaristos, Christos Alamanis, Konstantinos Stravodimos, Ioannis Anastasiou, Eleni Roumelioti, Mordechai Duvdevani, Constantinos Constantinides
OBJECTIVE: To search which category of proteins can be detected in urine in order to examine subsequently its ability to improve our accuracy for the diagnosis of Prostate Cancer (PCa) as biomarkers in clinical useful fluids like urine and serum. Material and method(s): Urine samples of 127 patients were obtained after a vigorous transrectal prostatic massage to both lobes. The patients were considered to have a high risk for PCa according to their PSA (> 4 ng/ml), their digital rectal examination (DRE) (positive for suspicious prostatic lesions) or to their abnormal PSA kinetics (PSA velocity (PSAV > 0...
October 5, 2016: Archivio Italiano di Urologia, Andrologia
Nancy N Fang, Mang Zhu, Amalia Rose, Kuen-Phon Wu, Thibault Mayor
Elimination of misfolded proteins is crucial for proteostasis and to prevent proteinopathies. Nedd4/Rsp5 emerged as a major E3-ligase involved in multiple quality control pathways that target misfolded plasma membrane proteins, aggregated polypeptides and cytosolic heat-induced misfolded proteins for degradation. It remained unclear how in one case cytosolic heat-induced Rsp5 substrates are destined for proteasomal degradation, whereas other Rsp5 quality control substrates are otherwise directed to lysosomal degradation...
October 4, 2016: Nature Communications
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