151 research outputs found
Differential spatial distribution of miR165/6 determines variability in plant root anatomy
A clear example of interspecific variation is the number of root cortical layers in plants. The genetic
mechanisms underlying this variability are poorly understood, partly due to the lack of a convenient
model. Here, we demonstrate that Cardamine hirsuta, unlike Arabidopsis thaliana, has two cortical
layers that are patterned during late embryogenesis. We show that a miR165/6-dependent
distribution of the HOMEODOMAIN LEUCINE ZIPPER III (HD-ZIPIII) transcription factor
PHABULOSA (PHB) controls this pattern. Our findings reveal that interspecies variation in
miRNA distribution can determine differences in anatomy in plants
Contrast-Enhanced Ultrasonograpic Findings in Pancreatic Tumors
OBJECTIVE: The purpose of this article is to present the potentials and limits of contrast-enhanced ultrasonography (CEUS) in the characterization of pancreatic tumors, usually hypoechoic or cystic at B-mode ultrasound
Erroneous intra-articular injection of gadolinium solution at 0.5 mol/l concentration: a case report
Magnetic Resonance arthrography is considered the gold standard imaging technique for the study of shoulder instability and tendon tears
A PHABULOSA-Controlled Genetic Pathway Regulates Ground Tissue Patterning in the Arabidopsis Root
In both animals and plants, development involves anatomical modifications. In the root of Arabidopsis thaliana, maturation of the ground tissue (GT)—a tissue comprising all cells between epidermal and vascular ones—is a paradigmatic example of these modifications, as it generates an additional tissue layer, the middle cortex (MC).1, 2, 3, 4 In early post-embryonic phases, the Arabidopsis root GT is composed of one layer of endodermis and one of cortex. A second cortex layer, the MC, is generated by asymmetric cell divisions in about 80% of Arabidopsis primary roots, in a time window spanning from 7 to 14 days post-germination (dpg). The cell cycle regulator CYCLIN D6;1 (CYCD6;1) plays a central role in this process, as its accumulation in the endodermis triggers the formation of MC.5 The phytohormone gibberellin (GA) is a key regulator of the timing of MC formation, as alterations in its signaling and homeostasis result in precocious endodermal asymmetric cell divisions.3,6,7 However, little is known on how GAs are regulated during GT maturation. Here, we show that the HOMEODOMAIN LEUCINE ZIPPER III (HD-ZIPIII) transcription factor PHABULOSA (PHB) is a master regulator of MC formation, controlling the accumulation of CYCD6;1 in the endodermis in a cell non-autonomous manner. We show that PHB activates the GA catabolic gene GIBBERELLIN 2 OXIDASE 2 (GA2ox2) in the vascular tissue, thus regulating the stability of the DELLA protein GIBBERELLIN INSENSITIVE (GAI)—a GA signaling repressor—in the root and, hence, CYCD6;1 expression in the endodermis
Health research and the importance of European networks: the Grant Office's experience of Alessandria's Hospital
The aim of this paper is to describe the experience of the SS. Antonio e Biagio e Cesare Arrigo Hospital of Alessandria (AO AL) in its approach to European projects. The AO AL, through its Research & Innovation Department (DAIRI), promotes a strategy for accessing European funding, involving, and accompanying hospital professionals in research design activities. The aim of this initiative is to make the most of the opportunities offered to state members for the development of health research and its impact on health care and public health. DAIRI uses the "Grant Office" with the aim of promoting initiatives to obtain national and international funding and to train healthcare professionals in the drafting of projects. DAIRI has taken the opportunity to become part of the European planning context by participating in networks (Enterprise Europe Network, European Reference Network) and European platforms (European Research Infrastructure of Biobanks and BioMolecular Resources, Water Europe)
Intraductal papillary mucinous tumor of bile ducts radiologic and pathologic features: a case report
We report a case of a 67-year-old Caucasian man with right upper quadrant abdominal pain. He underwent radiologic investigations that revealed a solid, focal mass, at the V hepatic segment. Because a definitive diagnosis, based on imaging appearance of the lesion, was impossible in our case, we performed a hystopathological investigation but the biopsies were inconclusive. So, the definitive diagnosis of intraductal papillary mucinous tumor of bile ducts was made on surgical resected material
The Use of Psychotropic Medication in Pediatric Oncology for Acute Psychological and Psychiatric Problems: Balancing Risks and Benefits
Severe acute behavioral and emotional problems represent one of the most serious treatment-related adverse effects for children and adolescents who have cancer. The critical and severe nature of these symptoms often makes necessary the use of psychotropic drugs. A working group composed of experts in multiple disciplines had the task of creating an agreement regarding a management plan for severe acute behavioral and emotional problems (SABEPs) in children and adolescents treated for cancer. To obtain global information on the use of psychotropic drugs in pediatric oncology, the working group first developed and mailed a 15-item questionnaire to many Italian pediatric oncology centers. Overall, an evident lack of knowledge and education regarding the use of psychotropic medications for the treatment of SABEPs was found. Thus, by referring to an adapted version of the Delphi method of consensus and standard methods for the elaboration of clinical questions (PICOs), the working group elaborated evidence-based recommendations for psychotropic drugs in the pediatric oncology setting. Furthermore, based on a thorough multivariate analysis of needs and difficulties, a comprehensive management flow was developed to optimize therapeutic interventions, which allows more accurate and efficient matching of the acute needs of patients while guiding treatment options
Monitoring and predicting the risk of violence in residential facilities. No difference between patients with history or with no history of violence
none34noopende Girolamo, Giovanni; Buizza, Chiara; Sisti, Davide; Ferrari, Clarissa; Bulgari, Viola; Iozzino, Laura; Boero, Maria Elena; Cristiano, Giuseppe; De Francesco, Alessandra; Giobbio, Gian Marco; Maggi, Paolo; Rossi, Giuseppe; Segalini, Beatrice; Candini, Valentina; Andreose, Suor; Basso, Pasquale; Beneduce, Rossella; Bertolotti, Pietro; Braida, Vanda; Bonelli, Marina; Bongiorno, Fanny; Bussi, Riccardo; Castagno, Elisa; Dominicis, Fabio; Ghersi, Loredana; Greppo, Stefania; Sodano, Alessandro Jaretti; Leporatti, Massimo; Presti, Eleonora Lo; Milone, Valeria; Panigada, Fausto; Pasquadibisceglie, Livia; Rigamonti, Danilo; Rillosi, Lucianade Girolamo, Giovanni; Buizza, Chiara; Sisti, Davide; Ferrari, Clarissa; Bulgari, Viola; Iozzino, Laura; Boero, Maria Elena; Cristiano, Giuseppe; De Francesco, Alessandra; Giobbio, Gian Marco; Maggi, Paolo; Rossi, Giuseppe; Segalini, Beatrice; Candini, Valentina; Andreose, Suor; Basso, Pasquale; Beneduce, Rossella; Bertolotti, Pietro; Braida, Vanda; Bonelli, Marina; Bongiorno, Fanny; Bussi, Riccardo; Castagno, Elisa; Dominicis, Fabio; Ghersi, Loredana; Greppo, Stefania; Sodano, Alessandro Jaretti; Leporatti, Massimo; Presti, Eleonora Lo; Milone, Valeria; Panigada, Fausto; Pasquadibisceglie, Livia; Rigamonti, Danilo; Rillosi, Lucian
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