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C K Y Ng, G G Di Costanzo, N Tosti, V Paradiso, M Coto-Llerena, G Roscigno, V Perrina, C Quintavalle, T Boldanova, S Wieland, G Marino-Marsilia, M Lanzafame, L Quagliata, G Condorelli, M S Matter, R Tortora, M H Heim, L M Terracciano, S Piscuoglio
Background: Hepatocellular carcinomas (HCCs) are not routinely biopsied, resulting in a lack of tumor materials for molecular profiling. Here we sought to determine if plasma-derived cell-free DNA (cfDNA) captures the genetic alterations of HCC in patients who have not undergone systemic therapy. Patients and methods: Frozen biopsies from the primary tumor and plasma were synchronously collected from 30 prospectively recruited, systemic treatment-naïve HCC patients...
March 2, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
Matilde Iorizzo, Antonella Tosti
Alopecia Areata is a common form of non-scarring hair loss that usually starts abruptly with a very high psychological impact. Due to the still not completely understood etiopathogenesis, at present there is no treatment that can induce a permanent remission and there is no drug approved for the treatment of this disorder. Areas covered: Leading existing treatment are briefly overviewed and then ongoing research on Janus Kinases Inhibitors is discussed, reviewing trials with oral and topical formulations so as new opportunities for other forms of alopecia, such as cicatricial alopecia...
February 21, 2018: Expert Opinion on Emerging Drugs
Antonella Tosti, Dimitris Rigopoulos
No abstract text is available yet for this article.
January 2018: Skin Appendage Disorders
David Saceda-Corralo, Antonella Tosti
Linear scleroderma en coup de sabre (LSCS) is the most common form of morphea on the scalp and its trichoscopic features have not been described yet. We report 2 adult women with LSCS with distinct dermoscopic findings. They both had an atrophic well-defined linear patch of alopecia on the frontotemporal scalp. Dermoscopy showed loss of follicular openings on a whitish skin surface; scattered black dots, broken hairs, and pili torti; and short thick linear and branching tortuous vessels on the periphery of the lesion...
January 2018: Skin Appendage Disorders
L Affumicato, T Sánchez Tamayo, M G Espinosa Fernandez, M Peña Caballero, C E Ruiz Morcillo, R Acebes Tosti, E Salguero García
INTRODUCTION: Donor milk is the second best alternative for a newborn after the mother's own milk, especially when the baby is a premature or a sick child since this milk has the advantage of protecting against necrotizing enterocolitis. There are currently 13 milk banks in Spain, however this is not sufficient to supply all Spanish neonatal units with donor milk. In order to bring donor milk to the babies in Neonatal Unit of the Regional University Hospital of Malaga, a Satellite Centre (CS) was created in 2012, depending on the Milk Bank of Virgen de las Nieves Hospital in Granada...
February 14, 2018: Revista de Calidad Asistencial: Organo de la Sociedad Española de Calidad Asistencial
Maya Jeitany, Cédric Leroy, Priscillia Tosti, Marie Lafitte, Jordy Le Guet, Valérie Simon, Debora Bonenfant, Bruno Robert, Fanny Grillet, Caroline Mollevi, Safia El Messaoudi, Amaëlle Otandault, Lucile Canterel-Thouennon, Muriel Busson, Alain R Thierry, Pierre Martineau, Julie Pannequin, Serge Roche, Audrey Sirvent
The clinical management of metastatic colorectal cancer (mCRC) faces major challenges. Here, we show that nilotinib, a clinically approved drug for chronic myeloid leukaemia, strongly inhibits human CRC cell invasion in vitro and reduces their metastatic potential in intrasplenic tumour mouse models. Nilotinib acts by inhibiting the kinase activity of DDR1, a receptor tyrosine kinase for collagens, which we identified as a RAS-independent inducer of CRC metastasis. Using quantitative phosphoproteomics, we identified BCR as a new DDR1 substrate and demonstrated that nilotinib prevents DDR1-mediated BCR phosphorylation on Tyr177, which is important for maintaining β-catenin transcriptional activity necessary for tumour cell invasion...
February 9, 2018: EMBO Molecular Medicine
Giulio Tosti, Anna Daniela Iacobone, Eleonora Petra Preti, Sabina Vaccari, Alessia Barisani, Elisabetta Pennacchioli, Carmen Cantisani
BACKGROUND: vulvar intraepithelial neoplasia is a non-invasive precursor lesion found in 50-70% of patients affected by vulvar squamous cell carcinoma. In the past, radical surgery was the standard treatment for vulvar intraepithelial neoplasia, however, considering the psychological and physical morbidities related to extensive surgery, several less aggressive treatment modalities have been proposed since the late 1970s. Photodynamic therapy is an effective and safe treatment for cutaneous non-melanoma skin cancer, with favorable cosmetic outcomes...
February 2, 2018: Biomedicines
Francesco Lacarrubba, Antonella Tosti
No abstract text is available yet for this article.
January 2018: Pediatric Dermatology
Dudley W Lamming, Emma L Baar, Sebastian I Arriola Apelo, Valeria Tosti, Luigi Fontana
Recently, it has become apparent that dietary macronutrient composition has a profound impact on metabolism, health and even lifespan. Work from many laboratories now suggest that dietary protein quality - the precise amino acid composition of the diet, as well as possibly the source of dietary protein - may also be critical in regulating the impact of diet on health. Perhaps in part due to the naturally low methionine content of plants, vegan diets are associated with a decreased risk of diabetes and improved insulin sensitivity, but this association is confounded by the lower overall protein intake of vegans...
December 7, 2017: Nutrition and Healthy Aging
Jessica Cervantes, Joaquin J Jimenez, Gina M DelCanto, Antonella Tosti
Alopecia areata (AA) is an autoimmune disorder characterized by T lymphocytic infiltrates around the bulbar region of hair follicles. Statins have surfaced as potential therapeutic agents for AA, partly because of their modulation of the JAK/STAT pathway. Some data indicate that statins are a possible option for acute, but not chronic, longstanding AA. Animal studies suggest that treatment with statins increases CD4+/CD25+/Foxp3+ populations in AA-affected mice.
January 2018: Journal of Investigative Dermatology. Symposium Proceedings
Valeria Tosti, Beatrice Bertozzi, Luigi Fontana
Consuming a Mediterranean diet rich in minimally processed plant foods has been associated with a reduced risk of developing multiple chronic diseases and increased life expectancy. Data from several randomized clinic trials have demonstrated a beneficial effect in the primary and secondary prevention of cardiovascular disease, type 2 diabetes, atrial fibrillation and breast cancer. The exact mechanism by which an increased adherence to the traditional Mediterranean diet exerts its favorable effects is not known...
December 13, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Sebastian H Verne, Lucy Chen, Vidhi Shah, Keyvan Nouri, Antonella Tosti
No abstract text is available yet for this article.
February 1, 2018: JAMA Dermatology
B Sposato, M Scalese, L Petruzzelli, E Baldini, N Nikiforakis, M Tosti Balducci
OBJECTIVES: We already know that asthma is associated to osteoporosis/osteopenia and characterized by an accelerated lung function decline. Our study aimed at assessing whether lung function decline and bone mineral density (BMD) deterioration in time were associated in a group of female long-standing asthmatics. We also tried to understand whether these two aspects were related to ICS treatment and vitamin D levels. METHODS: 35 female asthmatics were retrospectively analysed...
November 2017: La Clinica Terapeutica
R M Fertig, A C Gamret, J Cervantes, A Tosti
Microneedling is a minimally invasive dermatological procedure in which fine needles are rolled over the skin to puncture the stratum corneum. This therapy is used to induce collagen formation, neovascularization and growth factor production of treated areas. It has been used in a wide range of dermatologic conditions, including androgenetic alopecia (AGA) and alopecia areata, among others. While there are a limited number of studies examining this therapy in the use of hair loss, microneedling has been successfully paired with other hair growth promoting therapies, such as minoxidil, platelet-rich plasma and topical steroids, and shown to stimulate hair follicle growth...
December 1, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
Isabella Doche, Maria K Hordinsky, Neusa Y S Valente, Ricardo Romiti, Antonella Tosti
There has been a resurgence of syphilis in the last decade. Although alopecia is not a common manifestation of the disease, the "moth-eaten" pattern is considered patognomonic. However, diffuse hair loss, termed essential alopecia, sometimes can be the only sign of syphilis infection and mimic other conditions, such as alopecia areata and telogen effluvium. We describe three patients with syphilis in whom the pattern of alopecia was not typical. Although clinical, histopathological, and trichoscopic examinations may share some similar findings with other hair diseases, the inclusion of syphilis in the differential diagnosis of hair loss causes is fundamental to a correct screening and diagnosis...
October 2017: Skin Appendage Disorders
Tyson Ruetz, Ulrich Pfisterer, Bruno Di Stefano, James Ashmore, Meryam Beniazza, Tian V Tian, Daniel F Kaemena, Luca Tosti, Wenfang Tan, Jonathan R Manning, Eleni Chantzoura, Daniella Rylander Ottosson, Samuel Collombet, Anna Johnsson, Erez Cohen, Kosuke Yusa, Sten Linnarsson, Thomas Graf, Malin Parmar, Keisuke Kaji
Reprogramming of cellular identity using exogenous expression of transcription factors (TFs) is a powerful and exciting tool for tissue engineering, disease modeling, and regenerative medicine. However, generation of desired cell types using this approach is often plagued by inefficiency, slow conversion, and an inability to produce mature functional cells. Here, we show that expression of constitutively active SMAD2/3 significantly improves the efficiency of induced pluripotent stem cell (iPSC) generation by the Yamanaka factors...
December 7, 2017: Cell Stem Cell
Maria Abril Martinez-Velasco, Marina Perper, Austin J Maddy, Jessica Cervantes, Ariel E Eber, Sebastian H Verne, Norma Elizabeth Vazquez-Herrera, Keyvan Nouri, Antonella Tosti
BACKGROUND: Mexican mestizo population has a pluriethnic mixture of Amerindian, European and African ancestry, predominant in most Latin American countries. Until now, there are no reports about hair characteristics in this population, necessary to define normal values, for hair diseases evaluation and comparison among other ethnic groups. METHODS: The VivoSight® swept-source multibeam optical coherence tomography system was used to evaluate hair diameter and shape in 30 females...
November 23, 2017: Skin Research and Technology
Rick Tosti, Kyle R Eberlin
Mangled hand injuries are defined as those with significant damage to multiple structures, which may be limb threatening. Historically these injuries resulted in amputation or death, but modern surgical and perioperative advances allow for complex reconstruction and the possibility of a sensate and functional limb. Evaluation begins with surveying for life-threatening injuries followed by a systematic approach to identify injured structures; management begins with preserving all parts, minimizing warm ischemia time, performing débridement, and planning an operative approach to optimize the chance of a functional limb...
February 2018: Hand Clinics
Elise A Olsen, Janet Roberts, Leonard Sperling, Antonella Tosti, Jerry Shapiro, Amy McMichael, Wilma Bergfeld, Valerie Callender, Paradi Mirmirani, Ken Washenik, David Whiting, George Cotsarelis, Maria Hordinsky
BACKGROUND: Although alopecia areata is a common disorder, it has no FDA approved treatment and evidence-based therapeutic data is lacking. OBJECTIVE: To develop guidelines for the diagnosis, evaluation, assessment, response criteria and endpoints for alopecia areata. METHODS: Literature review and expert opinion of a group of dermatologists specializing in hair disorders. RESULTS: Standardized methods of assessing and tracking hair loss and growth including new scoring techniques, response criteria and endpoints in alopecia areata are presented...
November 8, 2017: Journal of the American Academy of Dermatology
Jennifer A Ledon, Antonella Tosti
No abstract text is available yet for this article.
November 2017: Dermatitis
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