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1.
Identification of marine biotechnology value chains with high potential in the Northern Mediterranean region
Ana Rotter, Antonia Giannakourou, Jesús E. Argente García, Grazia Marina Quero, Charlène Auregan, Ernesta Grigalionyte-Bembič, Jan Ulčar, 2023, izvirni znanstveni članek

Povzetek: Marine (blue) biotechnology is an emerging field enabling the valorization of new products and processes with massive potential for innovation and economic growth. In the Mediterranean region, this innovation potential is not exploited as well as in other European regions due to a lack of a clear identification of the different value chains and the high fragmentation of business innovation initiatives. As a result, several opportunities to create an innovative society are being missed. To address this problem, eight Northern Mediterranean countries (Croatia, France, Greece, Italy, Montenegro, Portugal, Slovenia and Spain) established five national blue biotechnology hubs to identify and address the bottlenecks that prevent the development of marine biotechnology in the region. Following a three-step approach (1. Analysis: setting the scene; 2. Transfer: identification of promising value chains; 3. Capitalization: community creation), we identified the three value chains that are most promising for the Northern Mediterranean region: algae production for added-value compounds, integrated multi-trophic aquaculture (IMTA) and valorization aquaculture/fisheries/processing by-products, unavoidable/unwanted catches and discards. The potential for the development and the technical and non-technical skills that are necessary to advance in this exciting field were identified through several stakeholder events which provided valuable insight and feedback that should be addressed for marine biotechnology in the Northern Mediterranean region to reach its full potential.
Ključne besede: marine biotechnology, blue biotechnology, innovation, value chains, Northern Mediterranean, microalgae, macroalgae, IMTA, circular economy, discards valorization
Objavljeno v DiRROS: 12.07.2024; Ogledov: 6; Prenosov: 4
.pdf Celotno besedilo (2,41 MB)
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2.
Anti-vimentin nanobody decreases glioblastoma cell invasion in vitro and in vivo
Alja Zottel, Metka Novak, Neja Šamec, Bernarda Majc, Sara Colja, Mojca Katrašnik, Miloš Vittori, Barbara Hrastar, Ana Rotter, Andrej Porčnik, Tamara Lah Turnšek, Radovan Komel, Barbara Breznik, Ivana Jovchevska, 2023, izvirni znanstveni članek

Povzetek: Purpose: Glioblastoma (GBM) is the most common primary brain tumour and one of the deadliest cancers. In addition to late diagnosis and inadequate treatment, the extremely low survival rate is also due to the lack of appropriate therapeutic biomarkers and corresponding therapeutic agents. One of the potential therapeutic biomarkers is the intermediate filament vimentin, which is associated with epithelial-mesenchymal transition (EMT). The purpose of this study was to analyse the effect of the anti-vimentin nanobody Nb79 on cell invasion in vitro and in vivo. To further our understanding of the mechanism of action, we investigated the association between Nb79 and EMT in GBM and GBM stem cells by analysing the expression levels of key EMT-related proteins. Methods: The expression of vimentin in glioma tissues and cells was determined by RT-qPCR. An invasion assay was performed on differentiated glioblastoma cell line U-87 MG and stem cell line NCH421k in vitro as well as in vivo in zebrafish embryos. The effect of Nb79 on expression of EMT biomarkers beta-catenin, vimentin, ZEB-1 and ZO1 was determined by Western blot and immunocytochemistry. Results: Our study shows that vimentin is upregulated in glioblastoma tissue compared to lower grade glioma and non-tumour brain tissue. We demonstrated that treatment with Nb79 reduced glioblastoma cell invasion by up to 64% in vitro and up to 21% in vivo. In addition, we found that the tight junction protein ZO-1 had higher expression on the cell membrane, when treated with inhibitory anti-vimentin Nb79 compared to control. Conclusion: In conclusion, our results suggest that anti-vimentin nanobody Nb79 is a promising tool to target glioblastoma cell invasion.
Ključne besede: glioblastoma, vimentin, nanobody
Objavljeno v DiRROS: 12.07.2024; Ogledov: 8; Prenosov: 5
.pdf Celotno besedilo (2,43 MB)
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