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9 papers found.
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Acid-free glyoxal as a substitute of formalin for structural and molecular preservation in tissue samples

: Gianni Bussolati, Anna Sapino, Caterina Marchiò. 14 / 16 Data curation: Gianni Bussolati, Laura Annaratone, Enrico Berrino, Umberto Miglio, Mara Panero, Marco Cupo, Patrizia Gugliotta, Tiziana Venesio ... , Anna Sapino, Caterina Marchiò. Formal analysis: Laura Annaratone, Enrico Berrino, Umberto Miglio, Mara Panero, Patrizia Gugliotta, Tiziana Venesio, Caterina Marchiò. Funding acquisition: Anna Sapino

The impact of malignant nipple discharge cytology (NDc) in surgical management of breast cancer patients

Cataliotti for his contribution and his suggestion to implement the manuscript. Author Contributions Writing ± original draft: Isabella Castellano, Jasna Metovic, Davide Balmativola, Laura Annaratone, Nelson ... & editing: Isabella Castellano, Jasna Metovic, Davide Balmativola, Laura Annaratone, Nelson Rangel, Elena Vissio, Riccardo Arisio, Luigia MacrÁõ, Carla Pecchioni, Ivana Sarotto, Francesca Montarolo, Francesca

Glycerolized Reticular Dermis as a New Human Acellular Dermal Matrix: An Exploratory Study

Human Acellular Dermal Matrices (HADM) are employed in various reconstructive surgery procedures as scaffolds for autologous tissue regeneration. The aim of this project was to develop a new type of HADM for clinical use, composed of glycerolized reticular dermis decellularized through incubation and tilting in Dulbecco’s Modified Eagle’s Medium (DMEM). This manufacturing method ...

The Influence of Tissue Ischemia Time on RNA Integrity and Patient-Derived Xenografts (PDX) Engraftment Rate in a Non-Small Cell Lung Cancer (NSCLC) Biobank

Introduction Bio-repositories are invaluable resources to implement translational cancer research and clinical programs. They represent one of the most powerful tools for biomolecular studies of clinically annotated cohorts, but high quality samples are required to generate reliable molecular readouts and functional studies. The objective of our study was to define the impact of ...

Search for Neuro-Endocrine Markers (Chromogranin A, Synaptophysin and VGF) in Breast Cancers. An integrated Approach Using Immunohistochemistry and Gene Expression Profiling

Discordant data are reported in the literature on the definition, incidence and clinical features of neuroendocrine (NE) carcinomas of the breast. This tumour entity is currently assessed by immunohistochemistry (IHC) detecting “general” NE markers such as chromogranin A (CHGA) and synaptophysin (SYP), but other markers have been considered as well. In the present study, in ...

Formalin Fixation at Low Temperature Better Preserves Nucleic Acid Integrity

Fixation with formalin, a widely adopted procedure to preserve tissue samples, leads to extensive degradation of nucleic acids and thereby compromises procedures like microarray-based gene expression profiling. We hypothesized that RNA fragmentation is caused by activation of RNAses during the interval between formalin penetration and tissue fixation. To prevent RNAse activation, a ...

Urinary Exosomal MicroRNAs in Incipient Diabetic Nephropathy

MicroRNAs (miRNAs), a class of small non-protein-encoding RNAs, regulate gene expression via suppression of target mRNAs. MiRNAs are present in body fluids in a remarkable stable form as packaged in microvesicles of endocytic origin, named exosomes. In the present study, we have assessed miRNA expression in urinary exosomes from type 1 diabetic patients with and without incipient ...

HIF-1 activation induces doxorubicin resistance in MCF7 3-D spheroids via P-glycoprotein expression: a potential model of the chemo-resistance of invasive micropapillary carcinoma of the breast

Background Invasive micropapillary carcinoma (IMPC) of the breast is a distinct and aggressive variant of luminal type B breast cancer that does not respond to neoadjuvant chemotherapy. It is characterized by small pseudopapillary clusters of cancer cells with inverted cell polarity. To investigate whether hypoxia-inducible factor-1 (HIF-1) activation may be related to the drug ...

A Collection of Primary Tissue Cultures of Tumors from Vacuum Packed and Cooled Surgical Specimens: A Feasibility Study

Primary cultures represent an invaluable tool to set up functional experimental conditions; however, creation of tissue cultures from solid tumors is troublesome and often unproductive. Several features can affect the success rate of primary cultures, including technical issues from pre-analytical procedures employed in surgical theaters and pathology laboratories. We have recently ...