Autologous Platelet-Rich Plasma in the Treatment of Perianal Fistula in Crohn’s Disease

[Aim] To assess clinical healing in patients with perianal Crohn’s disease with local intrafistular injection of autologous platelet-rich plasma.[Method] The pilot study was conducted at a single centre between January 2013 and December 2015. Autologous platelet-rich plasma was prepared in platelet-rich and platelet-poor fractions for local intrafistular injection in patients with proven, established perianal Crohn’s disease. Patients were permitted biological therapies, and the Perianal Crohn’s Disease Activity Index was recorded. Patients were followed for 48 weeks for clinical signs of healing (complete, partial or non-healing), monitoring fistula drainage, closure and epithelialization.[Results] The study included 29 patients (19 males; mean age 38 ± 12.8 years) with four exclusions in the operating room because surgery was not indicated and four lost to follow-up. Five adverse events were recorded, with two requiring the drainage of abscess collections. Of the 21 patients assessable at 24 weeks, there was complete healing, partial healing and non-healing in 7 (33.3%), 8 (38.1%) and 6 (28.6%) patients, respectively. By 48 weeks, there was complete healing, partial healing and non-healing in 6 (40%), 6 (40%) and 3 (20%) patients, respectively, with a reduction in the number of visible external fistula openings at both time points (P = 0.021). By the end of the study, there was a higher trend of healing if biological therapies were continued (85.7% with biologics vs. 75% without, P = 0.527), but there were no statistically significant differences and no differences in the Perianal Crohn’s Disease Activity Index.[Conclusion]Autologous platelet-rich plasma is safe in patients with perianal Crohn’s disease, with an acceptable healing rate over a medium-term follow-up, particularly if biological therapies are used concomitantly

Molecular Pathways Leading to Induction of Cell Death and Anti-Proliferative Properties by Tacrolimus and mTOR Inhibitors in Liver Cancer Cells

Background/Aims: Orthotopic liver transplantation (OLT) is the recommended treatment for patients at early stages of hepatocarcinoma (HCC) with portal hypertension and/or increased bilirubinemia, but without vascular-associated diseases. Tumor recurrence, which is the main drawback for the survival of patients submitted to OLT for HCC, has been related to tumor-related variables and the immunosuppressive therapies. We have previously shown that Tacrolimus (FK506) exerts a more potent pro-apoptotic and anti-proliferative effects than the mammalian target of rapamycin (mTOR) inhibitors (Sirolimus and Everolimus) in liver cancer cells. This study identified the role of the immunosuppressant partners such as FK506-binding proteins (FKBPs) in the induction of cell death and arrest of cell proliferation by immunosuppressants in two representative liver cancer cells. Methods: The regulation of endoplasmic reticulum (ER) stress, apoptosis/autophagy, cell proliferation, and FKBPs expression was determined in Tacrolimus-, Sirolimus- and Everolimus-treated primary human hepatocytes, and hepatoma HepG2 and Huh7 cell lines. The functional repercussion of FKBPs on cell death and proliferation was also addressed using the siRNA technology. The assessed antitumoral properties of the immunosuppressants were associated to microRNAs (miRNAs) pattern. Results: The enhanced pro-apoptotic and anti-proliferative properties of Tacrolimus versus mTOR inhibitors were associated with increased protein kinase RNA-like endoplasmic reticulum kinase (PERK)-related ER stress, Ser15 P-p53/p53 ratio and p21 protein expression that may counterbalance the risk of proliferative upregulation caused by enhanced Thr172 P-Cdk4/ Cdk4 activation in liver cancer cells. The inhibition of the mTOR pathway by Sirolimus and Everolimus was related to an induction of autophagy; and at a high dose, these drugs impaired translation likely at a very early step of the elongation phase. Tacrolimus and mTOR inhibitors increased the protein expression of FKBP12 and FKBP51 that appeared to play pro-survival role. Interestingly, the administration of immunosuppressants yields a specific pattern of miRNAs. Tacrolimus and mTOR inhibitors decreased miR-92a-1-5p, miR-197-3p, miR-483-3p and miR- 720, and increased miR-22-3p, miR-376a-3p, miR-663b, miR-886-5p, miR-1300 and miR-1303 expressions in HepG2 cells. Conclusion: The more potent pro-apoptotic and anti-proliferative properties of Tacrolimus versus mTOR inhibitors were associated with an increased activation of PERK and p53 signaling, and p21 protein expression. FKBP12 and FKBP51 appeared to be the most relevant partners of Tacrolimus and mTOR inhibitors exerting a pro-survival effect in HepG2 cells. The observed effects of immunosuppressants were related to a specific miRNA signature in liver cancer cellsEspaña Ministry of Economy and Competitiveness (MINECO) cofinanced by the ERDF (BFU2016-75352-P AEI/FEDER, EU

An actionable guide to creating Educational Escape Rooms: handbook

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En praktisk guide til brugen af didaktiske gåderum undervisning: håndbog

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An Actionable Guide to Creating Educational Escape Rooms: Handbook

The UNLOCK project - Creativity through game-based learning at higher education – aims to equip HEIs to design, set and facilitate escape room games in their learning experiences, to foster the creativity and other entrepreneurial skills of HEI’s students. The UNLOCK project will provide the context, process and tools based on a new and innovative learning approach that stimulates entrepreneurial skills in both students and educators, aiming at strengthening employability, creativity and new professional paths

Um guia prático para a criação de Escape Rooms Educacionais

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Praktinis Edukacinių Pabėgimo Kambarių Kūrimo Vadovas

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