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- 저자 : Rupnik, Marjan (검색결과 3 건)
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Blazka Rupnik 아시아기술혁신학회 2024 Asian Journal of Innovation and Policy Vol.13 No.1
Smart farming (SF) receives significant attention not only as a maximizer of agricultural productivity, but also as a strategy to achieve United Nation’s Sustainable Development Goals (SDGs), yet the actual state of its contribution to the environmental SDGs remains uncertain. This paper presents a methodological approach for policy analysis by identifying linkages between South Korean SF policies and Korean Sustainable Goals (K-SDGs) targets addressing six main South Korean agriculture-related environmental issues. Linkage is defined as an explicit measure that acts as a solution to prevent or minimize a specific issue. First, an overview of K-SDGs and six environmental issues (yield productivity, greenhouse gas emission, pest and weeds, water resources, soil quality and biodiversity) reveals that 17 K-SDGs targets address the issues. The analysis reveals significant shortcomings, particularly in the low integration of pesticide use and soil quality concerns into the K-SDGs. Out of a possible 68 linkages between four SF policies and 17 K-SDGs, only 17 were identified, with 10 linking to food production and consumption-related SDGs. This indicates that current smart farming policies put a secondary focus on smart farm technology’s potential to minimize environmental challenges. To bridge the gap between SF and sustainable agriculture, SF policies should incorporate climate-smart agriculture, with a specific focus on reducing greenhouse gas emissions, and promote greater collaboration among policymaking institutions.
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Donor Islet Endothelial Cells in Pancreatic Islet Revascularization
Nyqvist, Daniel,Speier, Stephan,Rodriguez-Diaz, Rayner,Molano, R. Damaris,Lipovsek, Saš,a,Rupnik, Marjan,Dicker, Andrea,Ilegems, Erwin,Zahr-Akrawi, Elsie,Molina, Judith,Lopez-Cabeza, Maite,Villat American Diabetes Association 2011 Diabetes Vol.60 No.10
<P><B>OBJECTIVE</B></P><P>Freshly isolated pancreatic islets contain, in contrast to cultured islets, intraislet endothelial cells (ECs), which can contribute to the formation of functional blood vessels after transplantation. We have characterized how donor islet endothelial cells (DIECs) may contribute to the revascularization rate, vascular density, and endocrine graft function after transplantation of freshly isolated and cultured islets.</P><P><B>RESEARCH DESIGN AND METHODS</B></P><P>Freshly isolated and cultured islets were transplanted under the kidney capsule and into the anterior chamber of the eye. Intravital laser scanning microscopy was used to monitor the revascularization process and DIECs in intact grafts. The grafts’ metabolic function was examined by reversal of diabetes, and the ultrastructural morphology by transmission electron microscopy.</P><P><B>RESULTS</B></P><P>DIECs significantly contributed to the vasculature of fresh islet grafts, assessed up to 5 months after transplantation, but were hardly detected in cultured islet grafts. Early participation of DIECs in the revascularization process correlated with a higher revascularization rate of freshly isolated islets compared with cultured islets. However, after complete revascularization, the vascular density was similar in the two groups, and host ECs gained morphological features resembling the endogenous islet vasculature. Surprisingly, grafts originating from cultured islets reversed diabetes more rapidly than those originating from fresh islets.</P><P><B>CONCLUSIONS</B></P><P>In summary, DIECs contributed to the revascularization of fresh, but not cultured, islets by participating in early processes of vessel formation and persisting in the vasculature over long periods of time. However, the DIECs did not increase the vascular density or improve the endocrine function of the grafts.</P>
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