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One-step cell biomanufacturing platform:porous gelatin microcarrier beads promote human embryonic stem cell-derived midbrain dopaminergic progenitor cell differentiation in vitro and survival after transplantation in vivo

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Neural Regeneration Research 2024年第2期19卷 458-464页

作者： Lin Feng Da Li Yao Tian Chengshun Zhao Yun Sun Xiaolong Kou Jun Wu Liu Wang Qi Gu Wei Li Jie Hao Baoyang Hu Yukai Wang State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijingChina Institute for Stem Cell and Regenerative Medicine Chinese Academy of SciencesBeijingChina National Stem Cell Resource Center Chinese Academy of SciencesBeijingChina Savaid Medical School University of Chinese Academy of SciencesBeijingChina Beijing Institute for Stem Cell and Regenerative Medicine BeijingChina State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijingChina

Numerous studies have shown that cell replacement therapy can replenish lost cells and rebuild neural circuitry in animal models of Parkinson’s *** of midbrain dopaminergic progenitor cells is a promising treatment for Parkinson’s ***,transplanted cells can be injured by mechanical damage during handling and by changes in the transplantation ***,we developed a one-step biomanufacturing platform that uses small-aperture gelatin microcarriers to produce beads carrying midbrain dopaminergic progenitor *** beads allow midbrain dopaminergic progenitor cell differentiation and cryopreservation without digestion,effectively maintaining axonal integrity in ***,midbrain dopaminergic progenitor cell bead grafts showed increased survival and only mild immunoreactivity in vivo compared with suspended midbrain dopaminergic progenitor cell ***,our findings show that these midbrain dopaminergic progenitor cell beads enhance the effectiveness of neuronal cell transplantation.

关键词： axonal integrity cell cryopreservation cellular environment cellular niche cell replacement therapy dopaminergic progenitors human pluripotent stem cell mechanical damage neuronal cell delivery Parkinson’s disease small-aperture gelatin microcarriers

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Influence of olive oil and its components on mesenchymal stem cell biology

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World Journal of Stem Cells 2019年第12期11卷 1045-1064页

作者： Antonio Casado-Díaz Gabriel Dorado Jose Manuel Quesada-Gómez CIBER de Fragilidad y Envejecimiento Saludable(CIBERFES) Instituto Maimónides de Investigación Biomédica de Córdoba(IMIBIC)Hospital Universitario Reina SofíaCórdoba 14004Spain Departement Bioquímica y Biología Molecular Campus Rabanales C6-1-E17Campus de Excelencia Internacional Agroalimentario(ceiA3)Universidad de CórdobaCIBERFESCórdoba 14071Spain Unidad de Gestión Clínica de Endocrinología y Nutrición CIBER de Fragilidad y Envejecimiento Saludable(CIBERFES)Instituto Maimónides de Investigación Biomédica de Córdoba(IMIBIC)Hospital Universitario Reina SofíaCórdoba 14004Spain

Extra virgin olive oil is characterized by its high content of unsaturated fatty acid residues in triglycerides,mainly oleic acid,and the presence of bioactive and antioxidant *** consumption is associated with lower risk of suffering chronic diseases and unwanted processes linked to aging,due to the antioxidant capacity and capability of its components to modulate cellular signaling *** of olive oil can alter the physiology of mesenchymal stem cells(MSCs).This may explain part of the healthy effects of olive oil consumption,such as prevention of unwanted aging *** date,there are no specific studies on the action of olive oil on MSCs,but effects of many components of such food on cell viability and differentiation have been *** objective of this article is to review existing literature on how different compounds of extra virgin olive oil,including residues of fatty acids,vitamins,squalene,triterpenes,pigments and phenols,affect MSC maintenance and differentiation,in order to provide a better understanding of the healthy effects of this ***,most studies have shown a positive effect of these compounds on *** collective findings support the hypothesis that at least part of the beneficial effects of extra virgin olive oil consumption on health may be mediated by its effects on MSCs.

关键词： Olive oil Mesenchymal stem cells cellular differentiation Aging cellular niche Mediterranean diet

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