Sub-América: un viaje por un continente en expansión

Universidad de Sevilla. Grado en Bellas Arte

Effects of Atorvastatin on Vitamin D Levels in Patients With Acute Ischemic Heart Disease

Producción CientíficaVitamin D deficiency is a risk factor for osteoporosis and other chronic diseases, including type 1 diabetes, hypertension, metabolic syndrome, and ischemic heart disease. Cholesterol and vitamin D share the 7-dehydrocolesterol metabolic pathway. This study evaluated the possible effect of atorvastatin on vitamin D levels in patients with acute ischemic heart disease. Eighty-three patients (52 men and 31 women) with an acute coronary syndrome (75 with acute myocardial infarction and 8 with unstable angina) were included. After diagnosis, patients received atorvastatin as secondary prevention. Serum vitamin D was measured by high-performance liquid chromatography at baseline and at 12 months. Atorvastatin treatment produced a statistically significant decrease in cholesterol and triglyceride levels and an increase in vitamin D levels (41 19 vs 47 19 nmol/L, p 0.003). Vitamin D deficiency was decreased by 75% to 57% at 12 months. In conclusion, atorvastatin increases vitamin D levels. This increase could explain some of the beneficial effects of atorvastatin at the cardiovascular level that are unrelated to cholesterol levels

Effect of the TNF -308 G/A Polymorphism on the Changes Produced by Atorvastatin in Bone Mineral Density in Patients with Acute Coronary Syndrome

Producción CientíficaAims: To evaluate the effect of atorvastatin on bone mass and markers of bone remodeling in patients with acute coronary syndrome depending on the tumor necrosis factor- (TNF )-308 G/A polymorphism. Methods: Sixty-two patients with acute coronary syndrome (35 males and 27 females), average age 60 8 10 years, were included. Patients were given low (10–20 mg) and high doses (40–80 mg) atorvastatin according to their baseline levels of cholesterol and triglycerides and their index of vascular risk. Patients were studied during hospital admission (baseline) and at 12 months of follow-up. Cholesterol, triglycerides, total calcium, phosphorus, magnesium, osteocalcin and urinary deoxypyridinoline were determined in all patients at baseline and at 12 months of follow-up. Densitometric studies were conducted in the lumbar spine (L 2 –L 4 ), femoral neck and trochanter using an X-ray densitometer. The TNF -308 G/A polymorphism was determined by the polymerase chain reaction. Results: Forty-five patients were homozygous for G/G (72.5%) and 17 were heterozygous for G/A (27.5%). The prevalence of osteoporosis (T score ^ 2.5 in the lumbar spineand/or hip) was 33% for the G/G genotype and 35% for the G/A genotype, with no statistically significant differences between groups. There was a statistically significant increase in bone mineral density (BMD) in the lumbar spine (1.107 8 0.32 vs. 1.129 8 0.23; p = 0.0001) in patients with the G/G genotype. No changes were observed in patients with the G/A genotype. Conclusion: In patients with acute coronary syndrome, atorvastatin increases lumbar spine BMD solely in patients with the G/G genotype of the TNF -308 G/A polymorphism

Relationship Between Bone Mineral Density and Angiotensin Converting Enzyme Polymorphism in Hypertensive Postmenopausal Women

Producción CientíficaThe purpose of this study was to assess the relationship between bone mineral density and insertion/ deletion (I/D) angiotensin converting enzyme polymorphism (ACE) in hypertensive postmenopausal women.2015-09-0

Effect of Quinapril, Quinapril-Hydrochlorothiazide, and Enalapril on the Bone Mass of Hypertensive Subjects: Relationship With Angiotensin Converting Enzyme Polymorphisms

Producción CientíficaBackground: Many alterations in extracellular metabolism of calcium have been associated to hypertension, but the number of studies relating this disease with osteoporosis is extremely low. This study clarifies the therapeutic effect of three treatments— quinapril, quinapril hydrochlorothiazide (HCTZ), enalapril—on bone remodeling markers, bone mineral density (BMD) in hypertensive patients, and relationship with angiotensin converting enzyme (ACE) polymorphism.2015-09-0

Bone mineral density, bone remodeling and osteoprotegerin in patients with acute coronary syndrome

Producción CientíficaThe objective of this study was to evaluate the relationship between coronary disease and osteoporosis and determine the effect of osteoprotegerin (OPG) on bone remodeling and bone mineral density (BMD) in a group of patients with acute coronary syndrome. Eightythree patients (52 males and 31 women) with acute coronary syndrome (75 patients with acute myocardial infarction and 8 with unstable angina) with an average age of 61±10 years were studied. Levels of osteocalcin, urinarydeoxypyridinoline, OPG and the receptor activator of nuclear factor-κB ligand (RANKL) were determined during the hospital stay. Femoral neck, trochanter and lumbar spine densitometry was carried out using a DXA densitometer. Thirty percent of patients presented osteoporosis (39% of females and 26% of males). Osteoporotic patients were older and had a lower weight and height and elevated serum levels of osteocalcin (3.6±2.25 2.63 versus ±1.55, p=0.05). Levels of OPG and RANKL were similar in both groups and showed no relationship with BMD. In conclusion, no relationship was observed between the OPG/RANKL system and BMD in these patients

Contratación estudio sobre las posibilidades de la ventilación natural en el marco del CTE

Primer premiPostprint (published version

Prognostic significance of FLT3-ITD length in AML patients treated with intensive regimens

FLT3-ITD mutations are detected in approximately 25% of newly diagnosed adult acute myeloid leukemia (AML) patients and confer an adverse prognosis. The FLT3-ITD allelic ratio has clear prognostic value. Nevertheless, there are numerous manuscripts with contradictory results regarding the prognostic relevance of the length and insertion site (IS) of the FLT3-ITD fragment. We aimed to assess the prognostic impact of these variables on the complete remission (CR) rates, overall survival (OS) and relapse-free survival (RFS) of AML patients with FLT3-ITDmutations. We studied the FLT3-ITD length of 362 adult AML patients included in the PETHEMA AML registry. We tried to validate the thresholds of ITD length previously published (i.e., 39 bp and 70 bp) in intensively treated AML patients (n = 161). We also analyzed the mutational profile of 118 FLT3-ITD AML patients with an NGS panel of 39 genes and correlated mutational status with the length and IS of ITD. The AUC of the ROC curve of the ITD length for OS prediction was 0.504, and no differences were found when applying any of the thresholds for OS, RFS or CR rate. Only four out of 106 patients had ITD IS in the TKD1 domain. Our results, alongside previous publications, confirm that FLT3-ITD length lacks prognostic value and clinical applicability. © 2021, The Author(s)

Integrative diagnosis and parasitic habits of Cryphodera brinkmani a non-cyst forming heteroderid nematode intercepted on Japanese white pine bonsai trees imported into Italy

The non-cyst forming heteroderid nematode Cryphodera brinkmani was detected in Italy parasitizing roots of Japanese white pine bonsai (Pinus parviflora) trees imported from Japan. Morphology and morphometrical traits of the intercepted population on this new host for C. brinkmani were in agreement with the original description, except for some minor differences on male morphology. Integrative molecular data for this species were obtained using D2-D3 expansion regions of 28S rDNA, ITS1-rDNA, the partial 18S rDNA, and the protein-coding mitochondrial gene, cytochrome oxidase c subunit I (COI). The phylogenetic relationships of this species with other representatives of non-cyst and cyst-forming Heteroderidae using ITS1 are presented and indicated that C. brinkmani clustered together with other Cryphodera spp. and with Meloidodera alni suggesting a monophyletic origin of non-cyst forming nematodes (Heteroderinae sensu Luc et al. 1978), which have been considered close to the ancestor of most species of Heteroderidae. Histological observations of P. parviflora feeder roots infected by C. brinkmani indicated that nematode females induce similar anatomical alterations to those reported for C. kalesari, consisting of formation of a single uninucleate giant cell (nurse cell) with hypertrophied nucleus, prominenet nucleolus, thickened cell wall and expanding into the stele and in contact of xylem, vacuum cambium and phloem. These findings are in agreement with the results of the phylogenetic analysis and indicate a close relationship in the plant responses induced by Cryphodera nematode females with those caused by the genetically related Meloidodera spp., which also induce formation of a uninucletate giant cell.The present work was supported with funds provided by the Italian Ministry of Economy and Finance to the National Research Council for the project “Innovazione e Svi-luppo del Mezzogiorno-Conoscenze Integrate per Sostenibilità ed Innovazione del Made in Italy Agroalimentare-Legge n.191/2009.Peer Reviewe

Heterodera elachista the Japanese cyst nematode parasitizing corn in Northern Italy: Integrative diagnosis and bionomics

The Japanese cyst nematode Heterodera elachista was detected parasitizing corn cv Rixxer in Bosco Mesola (Ferrara Province) in Northern Italy. The only previous report of this nematode was in Asia (Japan, China and Iran) attacking upland rice; being this work the first report of this cyst nematode in Europe, and confirmed corn as a new host plant for this species. Integrative morphological and molecular data for this species were obtained using D2-D3 expansion regions of 28S rDNA, ITS1-rDNA, the partial 18S rDNA, the protein-coding mitochondrial gene, cytochrome oxidase c subunit I (COI), and the heat-shock protein 90 (hsp90). Heterodera elachista identified in Northern Italy was morphologically and molecularly clearly separated from other cyst nematodes attacking corn (viz. H. avenae, H. filipjevi, H. delvii, H. oryzae, H. sacchari, H. sorghi, H. zeae, Punctodera chalcoensis, and Vittadera zeaphila) and rice (H. oryzae, H. sacchari). The phylogenetic relationships of H. elachista from Northern Italy with other cyst-nematodes using rDNA and mtDNA showed a separation of the genus Heterodera in various morphospecies groups based on vulval cone structures. The development and parasitic habit of H. elachista on naturally infected corn cv Rixxer confirmed a typical susceptible reaction, including multinucleate syncytial cells in parenchymatic cells. Under greenhouse conditions, H. elachista successfully reproduced on two crops widely used in Northern Italy, such as corn (cv PR 33) and rice (cv Baldo). Considering the limited host-range of this nematode, that include two of the three world's most important crops, special attention is needed for avoiding the dispersal of this nematode into new areas, by movement of soil on equipment, water, and contaminated containers infested soil, or agricultural practices. © 2013 KNPV.The present work was supported with funds provided by the Italian Ministry of Economy and Finance to the National Research Council for the project “Innovazione e Sviluppo del Mezzogiorno-Conoscenze Integrate per Sostenibilità ed Innovazione del Made in Italy Agroalimentare-Legge n. 191/2009, and partially by grant AGR-136 from ‘Consejería de Economía, Innvovación y Ciencia’ from Junta de Andalucía and the European Social Fund.Peer Reviewe