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Sorbolini S, Bongiorni S, Cellesi M, Gaspa G, Dimauro C, Valentini A, Macciotta N. Genome wide association study on beef production traits in Marchigiana cattle breed. J Anim Breed Genet 2016; 134:43-48. [DOI: 10.1111/jbg.12227] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 05/24/2016] [Indexed: 12/12/2022]
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Miori G, Martignano A, Menegotti L, Valentini A. EP-1578: Evaluation of an Integral Quality Monitor device for monitoring real-time delivery. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)32828-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Marchitelli C, Crisà A, Pariset L, Napolitano F, Orrù L, Valentini A. Characterization of single-nucleotide polymorphisms in 20 genes affecting milk quality in cattle, sheep, goat and buffalo. ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2007.1s.160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Negrini R, Milanesi E, Filippini F, Dunner S, Leveziel H, Williams J, Valentini A, Ajmone Marsan P. Traceability of the PGI product “Vitellone Bianco dell’Appennino Centrale” by SNP markers. ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2007.1s.174] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Pariset L, Cappuccio I, Savarese MC, Gentile A, Filippini F, Marsan A, Valentini A. Identification of putative genes involved in bovine spastic paresis through microarray analysis. ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2007.1s.183] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bongiorni S, Gruber CEM, Chillemi G, Bueno S, Failla S, Moioli B, Ferrè F, Valentini A. Skeletal muscle transcriptional profiles in two Italian beef breeds, Chianina and Maremmana, reveal breed specific variation. Mol Biol Rep 2016; 43:253-68. [DOI: 10.1007/s11033-016-3957-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 02/12/2016] [Indexed: 11/28/2022]
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Bongiorni S, Gruber CEM, Bueno S, Chillemi G, Ferrè F, Failla S, Moioli B, Valentini A. Transcriptomic investigation of meat tenderness in two Italian cattle breeds. Anim Genet 2016; 47:273-87. [DOI: 10.1111/age.12418] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2015] [Indexed: 12/23/2022]
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Martignano A, Valentini A. Patient CT dosimetry: Use of the DICOMSR protocol for calculation and monitoring of DRL and relevant parameters. Phys Med 2016. [DOI: 10.1016/j.ejmp.2016.01.285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Valentini A, Miori G, Martignano A. A work process-oriented analytical model for the calculation of dose and risk to the operators involved in fluoroscopic procedures. Phys Med 2016. [DOI: 10.1016/j.ejmp.2016.01.414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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35
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Valentini A, Nassiviera E, Ravanelli D. X-ray transmission evaluation of lead-free protective aprons. Phys Med 2016. [DOI: 10.1016/j.ejmp.2016.01.326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Valentini A, Ravanelli D, Dal Piaz E, Centonze M, Casagranda G, Marini M, Bonmassari R, Del Greco M. Artefacts and reliability in 3D atrial fibrosis segmentation of delayed-enhancement cardiac MRI. Phys Med 2016. [DOI: 10.1016/j.ejmp.2016.01.461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Santos RCR, Braga DMV, Pinheiro AN, Leite ER, Freire VN, Longhinotti E, Valentini A. Role of Cu, Ni and Co metals in the acidic and redox properties of Mo catalysts supported on Al2O3 spheres for glycerol conversion. Catal Sci Technol 2016. [DOI: 10.1039/c6cy00096g] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Promoters play an important role in the acidity and redox properties of Mo oxide catalysts supported on alumina spheres, and the catalytic performance reveals a potential effect between Cu and Mo oxides reduced partially, which improves the allyl alcohol selectivity.
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Carreño NLV, Escote MT, Valentini A, McCafferty L, Stolojan V, Beliatis M, Mills CA, Rhodes R, Smith CTG, Silva SRP. Adsorbent 2D and 3D carbon matrices with protected magnetic iron nanoparticles. NANOSCALE 2015; 7:17441-17449. [PMID: 26441224 DOI: 10.1039/c5nr04499e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We report on the synthesis of two and three dimensional carbonaceous sponges produced directly from graphene oxide (GO) into which functionalized iron nanoparticles can be introduced to render it magnetic. This simple, low cost procedure, wherein an iron polymeric resin precursor is introduced into the carbon framework, results in carbon-based materials with specific surface areas of the order of 93 and 66 m(2) g(-1), compared to approx. 4 m(2) g(-1) for graphite, decorated with ferromagnetic iron nanoparticles giving coercivity fields postulated to be 216 and 98 Oe, values typical for ferrite magnets, for 3.2 and 13.5 wt% Fe respectively. The strongly magnetic iron nanoparticles are robustly anchored to the GO sheets by a layer of residual graphite, on the order of 5 nm, formed during the pyrolysis of the precursor material. The applicability of the carbon sponges is demonstrated in their ability to absorb, store and subsequently elute an organic dye, Rhodamine B, from water as required. It is possible to regenerate the carbon-iron hybrid material after adsorption by eluting the dye with a solvent to which it has a high affinity, such as ethanol. The use of a carbon framework opens the hybrid materials to further chemical functionalization, for enhanced chemical uptake of contaminants, or co-decoration with, for example, silver nanoparticles for bactericidal properties. Such analytical properties, combined with the material's magnetic character, offer solutions for environmental decontamination at land and sea, wastewater purification, solvent extraction, and for the concentration of dilute species.
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Gabbianelli F, Gargani M, Pariset L, Mariotti M, Alhaique F, De Minicis E, Barelli L, Ciammetti E, Redi F, Valentini A. Mitochondrial DNA analysis of medieval sheep (Ovis aries) in central Italy reveals the predominance of haplogroup B already in the Middle Ages. Anim Genet 2015; 46:329-32. [PMID: 25917303 DOI: 10.1111/age.12289] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2015] [Indexed: 11/29/2022]
Abstract
We retrieved 34 medieval ovicaprine remains, from three archaeological sites of central Italy dating to about 1000 years old, and analyzed them using mitochondrial DNA. We compared the reconstructed haplogroups with modern sheep samples from Europe and the Middle East and sequences from the literature. In modern sheep, haplogroup HA is present in countries with access to the Mediterranean and close to the domestication center, whereas it is very rare or absent in the rest of Europe. The haplogroup HB was predominant in ancient samples (90%), whereas haplogroup HA was found at 10%. Ancient haplogroups match the present distribution in modern sheep in Italy, indicating that the current proportion of HA/HB was already established in the Middle Ages and is not the result of subsequent events such as selective breeding practices.
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Milanesi M, Vicario D, Stella A, Valentini A, Ajmone-Marsan P, Biffani S, Biscarini F, Jansen G, Nicolazzi EL. Imputation accuracy is robust to cattle reference genome updates. Anim Genet 2014; 46:69-72. [PMID: 25515631 DOI: 10.1111/age.12251] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/07/2014] [Indexed: 11/26/2022]
Abstract
Genotype imputation is routinely applied in a large number of cattle breeds. Imputation has become a need due to the large number of SNP arrays with variable density (currently, from 2900 to 777,962 SNPs). Although many authors have studied the effect of different statistical methods on imputation accuracy, the impact of a (likely) change in the reference genome assembly on imputation from lower to higher density has not been determined so far. In this work, 1021 Italian Simmental SNP genotypes were remapped on the three most recent reference genome assemblies. Four imputation methods were used to assess the impact of an update in the reference genome. As expected, the four methods behaved differently, with large differences in terms of accuracy. Updating SNP coordinates on the three tested cattle reference genome assemblies determined only a slight variation on imputation results within method.
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Brandes AA, Franceschi E, Ermani M, Tosoni A, Albani F, Depenni R, Faedi M, Pisanello A, Crisi G, Urbini B, Dazzi C, Cavanna L, Mucciarini C, Pasini G, Bartolini S, Marucci G, Morandi L, Zunarelli E, Cerasoli S, Gardini G, Lanza G, Silini EM, Cavuto S, Baruzzi A, Baruzzi A, Albani F, Calbucci F, D'Alessandro R, Michelucci R, Brandes A, Eusebi V, Ceruti S, Fainardi E, Tamarozzi R, Emiliani E, Cavallo M, Franceschi E, Tosoni A, Cavallo M, Fiorica F, Valentini A, Depenni R, Mucciarini C, Crisi G, Sasso E, Biasini C, Cavanna L, Guidetti D, Marcello N, Pisanello A, Cremonini AM, Guiducci G, de Pasqua S, Testoni S, Agati R, Ambrosetto G, Bacci A, Baldin E, Baldrati A, Barbieri E, Bartolini S, Bellavista E, Bisulli F, Bonora E, Bunkheila F, Carelli V, Crisci M, Dall'Occa P, de Biase D, Ferro S, Franceschi C, Frezza G, Grasso V, Leonardi M, Marucci G, Mazzocchi V, Morandi L, Mostacci B, Palandri G, Pasini E, Pastore Trossello M, Pession A, Ragazzi M, Riguzzi P, Rinaldi R, Rizzi S, Romeo G, Spagnolli F, Tinuper P, Trocino C, Cerasoli S, Dall'Agata M, Faedi M, Frattarelli M, Gentili G, Giovannini A, Iorio P, Pasquini U, Galletti G, Guidi C, Neri W, Patuelli A, Strumia S, Casmiro M, Gamboni A, Rasi F, Cruciani G, Cenni P, Dazzi C, Guidi A, Zumaglini F, Amadori A, Pasini G, Pasquinelli M, Pasquini E, Polselli A, Ravasio A, Viti B, Sintini M, Ariatti A, Bertolini F, Bigliardi G, Carpeggiani P, Cavalleri F, Meletti S, Nichelli P, Pettorelli E, Pinna G, Zunarelli E, Artioli F, Bernardini I, Costa M, Greco G, Guerzoni R, Stucchi C, Iaccarino C, Rizzi R, Zuccoli G, Api P, Cartei F, Fallica E, Granieri E, Latini F, Lelli G, Monetti C, Ramponi V, Saletti A, Schivalocchi R, Seraceni S, Tola MR, Urbini B, Giorgi C, Montanari E, Cerasti D, Crafa P, Dascola I, Florindo I, Mazza S, Servadei F, Silini E, Torelli P, Immovilli P, Morelli N, Vanzo C. Pattern of care and effectiveness of treatment for glioblastoma patients in the real world: Results from a prospective population-based registry. Could survival differ in a high-volume center? Neurooncol Pract 2014; 1:166-171. [PMID: 26034628 PMCID: PMC4369716 DOI: 10.1093/nop/npu021] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2014] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND As yet, no population-based prospective studies have been conducted to investigate the incidence and clinical outcome of glioblastoma (GBM) or the diffusion and impact of the current standard therapeutic approach in newly diagnosed patients younger than aged 70 years. METHODS Data on all new cases of primary brain tumors observed from January 1, 2009, to December 31, 2010, in adults residing within the Emilia-Romagna region were recorded in a prospective registry in the Project of Emilia Romagna on Neuro-Oncology (PERNO). Based on the data from this registry, a prospective evaluation was made of the treatment efficacy and outcome in GBM patients. RESULTS Two hundred sixty-seven GBM patients (median age, 64 y; range, 29-84 y) were enrolled. The median overall survival (OS) was 10.7 months (95% CI, 9.2-12.4). The 139 patients ≤aged 70 years who were given standard temozolomide treatment concomitant with and adjuvant to radiotherapy had a median OS of 16.4 months (95% CI, 14.0-18.5). With multivariate analysis, OS correlated significantly with KPS (HR = 0.458; 95% CI, 0.248-0.847; P = .0127), MGMT methylation status (HR = 0.612; 95% CI, 0.388-0.966; P = .0350), and treatment received in a high versus low-volume center (HR = 0.56; 95% CI, 0.328-0.986; P = .0446). CONCLUSIONS The median OS following standard temozolomide treatment concurrent with and adjuvant to radiotherapy given to (72.8% of) patients aged ≤70 years is consistent with findings reported from randomized phase III trials. The volume and expertise of the treatment center should be further investigated as a prognostic factor.
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Giampaoli S, Berti A, Di Maggio R, Pilli E, Valentini A, Valeriani F, Gianfranceschi G, Barni F, Ripani L, Romano Spica V. The environmental biological signature: NGS profiling for forensic comparison of soils. Forensic Sci Int 2014; 240:41-7. [DOI: 10.1016/j.forsciint.2014.02.028] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Revised: 02/11/2014] [Accepted: 02/25/2014] [Indexed: 10/25/2022]
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Morganti S, Conti M, Aiello M, Valentini A, Mazzola A, Reali A, Auricchio F. Simulation of transcatheter aortic valve implantation through patient-specific finite element analysis: two clinical cases. J Biomech 2014; 47:2547-55. [PMID: 24998989 DOI: 10.1016/j.jbiomech.2014.06.007] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Revised: 05/27/2014] [Accepted: 06/04/2014] [Indexed: 10/25/2022]
Abstract
Transcatheter aortic valve implantation (TAVI) is a minimally invasive procedure introduced to treat aortic valve stenosis in elder patients. Its clinical outcomes are strictly related to patient selection, operator skills, and dedicated pre-procedural planning based on accurate medical imaging analysis. The goal of this work is to define a finite element framework to realistically reproduce TAVI and evaluate the impact of aortic root anatomy on procedure outcomes starting from two real patient datasets. Patient-specific aortic root models including native leaflets, calcific plaques extracted from medical images, and an accurate stent geometry based on micro-tomography reconstruction are key aspects included in the present study. Through the proposed simulation strategy we observe that, in both patients, stent apposition significantly induces anatomical configuration changes, while it leads to different stress distributions on the aortic wall. Moreover, for one patient, a possible risk of paravalvular leakage has been found while an asymmetric coaptation occurs in both investigated cases. Post-operative clinical data, that have been analyzed to prove reliability of the performed simulations, show a good agreement with analysis results. The proposed work thus represents a further step towards the use of realistic computer-based simulations of TAVI procedures, aiming at improving the efficacy of the operation technique and supporting device optimization.
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Dent R, Valentini A, Hanna W, Rawlinson E, Rakovitch E, Sun P, Narod SA. Factors associated with breast cancer mortality after local recurrence. ACTA ACUST UNITED AC 2014; 21:e418-25. [PMID: 24940101 DOI: 10.3747/co.21.1563] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE We aimed to identify risk factors for mortality after local recurrence in women treated for invasive breast cancer with breast-conserving surgery. EXPERIMENTAL DESIGN Our prospective cohort study included 267 women who were treated with breast-conserving surgery at Women's College Hospital from 1987 to 1997 and who later developed local recurrence. Clinical information and tumour receptor status were abstracted from medical records and pathology reports. Patients were followed from the date of local recurrence until death or last follow-up. Survival analysis used a Cox proportional hazards model. RESULTS Among the 267 women with a local recurrence, 97 (36.3%) died of breast cancer within 10 years (on average 2.6 years after the local recurrence). The actuarial risk of death was 46.1% at 10 years from recurrence. In a multivariable model, predictors of death included short time from diagnosis to recurrence [hazard ratio (hr) for <5 years compared with ≥10 years: 3.40; 95% confidence interval (ci): 1.04 to 11.1; p = 0.04], progesterone receptor positivity (hr: 0.35; 95% ci: 0.23 to 0.54; p < 0.001), lymph node positivity (hr: 2.1; 95% ci: 1.4 to 3.3; p = 0.001), and age at local recurrence (hr for age >45 compared with age ≤45 years: 0.61; 95% ci: 0.38 to 0.95; p = 0.03). CONCLUSIONS The risk of death after local recurrence varies widely. Risk factors for death after local recurrence include node positivity, progesterone receptor negativity, young age at recurrence, and short time from diagnosis to recurrence.
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D’Armini A, Morsolini M, Mattiucci G, Grazioli V, Pin M, Valentini A, Goggi C, Dore R. Surgical Treatment of Chronic Thromboembolic Pulmonary Hypertension: from Transplantation to Endarterectomy. J Heart Lung Transplant 2014. [DOI: 10.1016/j.healun.2014.01.843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Trevisan D, Ravanelli D, Valentini A. Measurements of computed tomography dose index for clinical scans. RADIATION PROTECTION DOSIMETRY 2014; 158:389-398. [PMID: 24162372 DOI: 10.1093/rpd/nct236] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Dose assessment in computed tomography is nowadays based on indicators such as the weighted computed tomography dose index (CTDIw) and the volume-weighted computed tomography dose index (CTDIvol), both measured only on single-axial scans. The aim of this study is to extend the set of CT protocols suitable in CTDIvol,w evaluation and therefore to perform measurements directly on clinical CT scans. With this purpose, the present work follows the methodology proposed by the American Association of Physicists in Medicine in the Report No. 111 and focuses on the central cumulative dose DL(0), which predicts CTDIvol,w values for scan length equal to 100 mm. All measurements performed with ion chamber and gafchromic films suggest that it is possible to achieve accurate CTDIvol,w values without selecting single-axial scans tailored to dosimetry. Therefore, it is not always necessary to split dosimetric and clinical CT scanner set-up.
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Guglielmi L, Cinnella C, Nardella M, Maresca G, Valentini A, Mercanti D, Felsani A, D'Agnano I. MYCN gene expression is required for the onset of the differentiation programme in neuroblastoma cells. Cell Death Dis 2014; 5:e1081. [PMID: 24556696 PMCID: PMC3944258 DOI: 10.1038/cddis.2014.42] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 01/09/2014] [Accepted: 01/13/2014] [Indexed: 02/08/2023]
Abstract
Neuroblastoma is an embryonic tumour of the sympathetic nervous system and is one of the most common cancers in childhood. A high differentiation stage has been associated with a favourable outcome; however, the mechanisms governing neuroblastoma cell differentiation are not completely understood. The MYCN gene is considered the hallmark of neuroblastoma. Even though it has been reported that MYCN has a role during embryonic development, it is needed its decrease so that differentiation can be completed. We aimed to better define the role of MYCN in the differentiation processes, particularly during the early stages. Considering the ability of MYCN to regulate non-coding RNAs, our hypothesis was that N-Myc protein might be necessary to activate differentiation (mimicking embryonic development events) by regulating miRNAs critical for this process. We show that MYCN expression increased in embryonic cortical neural precursor cells at an early stage after differentiation induction. To investigate our hypothesis, we used human neuroblastoma cell lines. In LAN-5 neuroblastoma cells, MYCN was upregulated after 2 days of differentiation induction before its expected downregulation. Positive modulation of various differentiation markers was associated with the increased MYCN expression. Similarly, MYCN silencing inhibited such differentiation, leading to negative modulation of various differentiation markers. Furthermore, MYCN gene overexpression in the poorly differentiating neuroblastoma cell line SK-N-AS restored the ability of such cells to differentiate. We identified three key miRNAs, which could regulate the onset of differentiation programme in the neuroblastoma cells in which we modulated MYCN. Interestingly, these effects were accompanied by changes in the apoptotic compartment evaluated both as expression of apoptosis-related genes and as fraction of apoptotic cells. Therefore, our idea is that MYCN is necessary during the activation of neuroblastoma differentiation to induce apoptosis in cells that are not committed to differentiate.
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Dunner S, Sevane N, García D, Cortés O, Valentini A, Williams J, Mangin B, Cañón J, Levéziel H. Association of genes involved in carcass and meat quality traits in 15 European bovine breeds. Livest Sci 2013. [DOI: 10.1016/j.livsci.2013.02.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Dunner S, Sevane N, Garcia D, Levéziel H, Williams JL, Mangin B, Valentini A. Genes involved in muscle lipid composition in 15 European Bos taurus breeds. Anim Genet 2013; 44:493-501. [PMID: 23611291 DOI: 10.1111/age.12044] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2013] [Indexed: 11/29/2022]
Abstract
Consumers demand healthy and palatable meat, both factors being affected by fat composition. However, red meat has relatively high concentration of saturated fatty acids and low concentration of the beneficial polyunsaturated fatty acids. To select animals prone to produce particular fat types, it is necessary to identify the genes influencing muscle lipid composition. This paper describes an association study in which a large panel of candidate genes involved in adipogenesis, lipid metabolism and energy homoeostasis was tested for effects on fat composition in 15 European cattle breeds. Sixteen genes were found to have significant effects on different lipid traits, and among these, CFL1 and MYOZ1 were found to have large effects on the ratio of 18:2/18:3, CRI1 on the amount of neutral adrenic acid (22:4 n-6), MMP1 on docosahexaenoic acid (22:6 n-3) and conjugated linoleic acid, PLTP on the ratio of n-6:n-3 and IGF2R on flavour. Several genes - ALDH2, CHRNE, CRHR2, DGAT1, IGFBP3, NEB, SOCS2, SUSP1, TCF12 and FOXO1 - also were found to be associated with both lipid and organoleptic traits although with smaller effect. The results presented here help in understanding the genetic and biochemical background underlying variations in fatty acid composition and flavour in beef.
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Bonardi M, Valentini A, Camporotondo R. Unroofed coronary sinus and persistent left superior vena cava: A case report. J Ultrasound 2013; 15:179-82. [PMID: 23450671 DOI: 10.1016/j.jus.2012.06.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
The unroofed coronary sinus is a spectrum of cardiac anomalies in which part or all of the common wall between the coronary sinus and the left atrium is absent. Most cases are associated with anomalous systemic venous return, such as persistent left superior vena cava.The diagnosis of this lesion is important to the prognosis of the patient, but it is often difficult because of nonspecific clinical features.Here we report a case of a complete unroofed coronary sinus and persistent left superior vena cava discovered during a computed tomographic investigation for pulmonary hypertension.
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