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Editor-in-chief
Maria Stella Graziani

Deputy Director
Martina Zaninotto

Associate Editors
Ferruccio Ceriotti
Davide Giavarina
Bruna Lo Sasso
Giampaolo Merlini
Martina Montagnana
Andrea Mosca
Paola Pezzati
Rossella Tomaiuolo
Matteo Vidali

EIC Assistant
Francesco Busardò

International Advisory Board Khosrow Adeli Canada
Sergio Bernardini Italy
Marcello Ciaccio Italy
Eleftherios Diamandis Canada
Philippe Gillery France
Kjell Grankvist Sweden
Hans Jacobs The Netherlands
Eric Kilpatrick UK
Magdalena Krintus Poland
Giuseppe Lippi Italy
Mario Plebani Italy
Sverre Sandberg Norway
Ana-Maria Simundic Croatia
Tommaso Trenti Italy
Cas Weykamp The Netherlands
Maria Willrich USA
Paul Yip Canada

Publisher
Biomedia srl
Via L. Temolo 4, 20126 Milano

Responsible Editor
Giuseppe Agosta

Editorial Secretary
Chiara Riva
Biomedia srl
Via L. Temolo 4, 20126 Milano
Tel. 0245498282
email: biochimica.clinica@sibioc.it

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ISSN print: 0393 – 0564
ISSN digital: 0392- 7091

BC: Articoli scritti da T. Guastafierro

Interferenza analitica sul conteggio dei leucociti
Analytical interference on leucocyte count
T. Guastafierro \| O. Costanza \| C. Puliti \| A. Di Nallo \| E. Romeo \| A. Marcucci \| F. Bondanini \| MG. Colace \|
<p>Chronic lymphoproliferative disorders typically affect elderly patients with a median age at the diagnosis of 71 years. These disorders include a number of conditions characterized by an abnormal proliferation of lymphocytes towards a monoclonal lymphocytosis. The case of an 83-year-old man affected by chronic lymphocytic leukemia is presented; the peripheral blood cells count, performed on the analyzer Sysmex XN-20, showed significant differences between the white nucleated red (WNR) and white differentiation (WDF) channels that did not allow the differential counting of leukocytes. On the opposite, the reflex analysis channel white progenitor cell (WPC), returned the correct white blood cell count. Actually, when the peripheral blood sample was diluted (1:5) and resubmitted to analysis, leukocytes count resulting from WNR and WDF analysis channels corresponded to that obtained in the reflex WPC analysis channel on the undiluted sample. To verify if the instrumental anomaly found in the cell counting could be associated to an elevated plasma concentrations of immunoglobulins, a serum protein electrophoresis was performed, showing the presence of four monoclonal components. These data demonstrate that the WPC channel is an important tool for the clinical laboratory, since it is able to give a correct result even when interferents are present.</p>
Biochimica Clinica ; 45(2) e11-e14 Casi Clinici - Case Report

Shaping the epigenetic basis of Werner Syndrome

T. Guastafierro \| M.G. Bacalini \| D. Raimondo \| A. Marcoccia \| C Franceschi \| A. Spanò \| F. Bondanini \|
<p>Werner syndrome is an autosomal recessive genetic disease responsible for a progeroid disorder including a plethora of premature clinical signs traditionally associated with physiological ageing. The molecular alterations that lead to all phenotypes associated the disease remain still unidentified. Here we describe our recent findings and results from literature about the possibility that epigenetic changes could be associated with Werner syndrome phenotype. Recent literature evidences that epigenetic mechanisms are at the basis of both physiological and pathological processes, like insulin production and secretion. Analysis of genome-wide DNA methylation profile in the whole blood from patients affected by Werner syndrome demonstrated enrichment of hypermethylated probes in glycosphingolipid biosynthesis, FoxO signalling and insulin signalling pathways, while hypomethylated probes were enriched in PI3KAkt signalling and focal adhesion pathways. Twenty-two differentially methylated genes belonging to the enriched pathways resulted differentially expressed in Werner syndrome fibroblasts. DNA methylation profiles analysis in Werner syndrome patients revealed differentially methylated regions in genes involved in other ageing phenotypes or associated syndromes like systemic sclerosis, dyskeratosis congenita and Down syndrome. Genome-wide epigenetics changes observed in the peripheral blood from patients with Werner syndrome provide new insight in the pathogenesis of the disease, highlighting in some cases a functional correlation of gene expression and methylation status</p>
Biochimica Clinica ; 42(3) 210-216 Rassegne - Reviews

Armonizzazione in Medicina di Laboratorio
Harmonization in Laboratory Medicine
F. Ceriotti \| M. Panteghini \| A. Tosetto \| V. Valentini \| L. Politi \| R. Rolla \| T. Guastafierro \| T. Köken \| E. Capoluongo \| C. Mazzaccara \| V. D'Argenio \| V. D'Argenio \| G. Lippi \| M. Plebani \| D. Giavarina \| M. Berardi \| A survey on sample matrix and preanalytical management in clinical laboratories \| D. Bozzato \| G. Messeri \| M. Zaninotto \| M. Vidali \| A. Padoan \| G. Parigi \| A. Clerico \| L. Sciacovelli \| M. Ciaccio \| G.L. Salvagno \| G. Barberio \| G. Barberio \| G.L. Salvagno \| M. Pepe \| M. Panteghini \| F. Braga \| G. Gessoni \| M. Montagnana \| N. Doğan \| M. Barberis \| M. Barberis \| A. Marchetti \| F. Borrillo \| L. Bonfanti \| P.M. Ness \| G. Messeri \| S. Nannini \| J. Queraltò \| M. Zaninotto \| A. Mosca \| BM. Henry \| G. Santini \| A. Coglianese \| V. D'Argenio \| E. Fiorio \| L. Crinò \| M. A. V. Willrich \| A. Modenese \| M. Berardi \| G. Nordera \| M. Girelli \| R. Tomaiuolo \| D. Giavarina \| R. Dittadi \| L. Pighi \| V. Guaraldo \| G. Bambagiotti \| E. Franceschini \| R. Danesi \| M. Locatelli \| F. Balboni \| D. Cosseddu \| M. Savoia \| S. Bernardini \| C. Domenichini \| M. Lamonaca \| M. Perrone \| M. Perrone \| per il Gruppo di Studio Intersocietario SIBioC-SIPMeL Diabete Mellito \| P. Pradella \| A. Padoan \| M.T. Sandri \| L. Belloni \| A. D'Avolio \| T. Trenti \| A. Fortunato \| T. Trenti \|

Biochimica Clinica ; 39(6) 546-547 Editoriale - Editorial