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Tracking of iron-labeled human neural stem cells by magnetic resonance imaging in cell replacement therapy for Parkinson＇s disease

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Neural Regeneration Research 2016年第1期11卷 49-52页

作者： milagros ramos-gómez Alberto Martínez-Serrano Centre for Biomedical Technology Polytechnic University of Madrid Madrid Spain Biomedical Research Networking'Center of Bioengineering Biomaterials and Nanomedicine (CIBER-BBN) Madrid Spain Department of Molecular Biology and Center of Molecular Biology"Severo Ochoa" Autonomous University of Madrid-C.S.I.C Madrid Spain

Human neural stem cells（h NSCs） derived from the ventral mesencephalon are powerful research tools and candidates for cell therapies in Parkinson＇s disease. However, their clinical translation has not been fully realized due, in part, to the limited ability to track stem cell regional localization and survival over long periods of time after in vivo transplantation. Magnetic resonance imaging provides an excellent non-invasive method to study the fate of transplanted cells in vivo. For magnetic resonance imaging cell tracking, cells need to be labeled with a contrast agent, such as magnetic nanoparticles, at a concentration high enough to be easily detected by magnetic resonance imaging. grafting of human neural stem cells labeled with magnetic nanoparticles allows cell tracking by magnetic resonance imaging without impairment of cell survival, proliferation, self-renewal, and multipotency. However, the results reviewed here suggest that in long term grafting, activated microglia and macrophages could contribute to magnetic resonance imaging signal by engulfing dead labeled cells or iron nanoparticles dispersed freely in the brain parenchyma over time.

关键词： human neural stem cells Parkinson's disease magnetic resonance imaging magnetic nanoparticles stem cell transplantation

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Specific Immunotherapy in Advanced Cervical-Uterine Cancer Using Humanized Monoclonal Antibody Nimotuzumab and CIMAvax-EgF<sup>®</sup>Therapeutic Vaccine

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Journal of Cancer Therapy 2021年第3期12卷 146-156页

作者： Raiza Ruiz-Lorente Sayly Alfonso Eduardo Santiesteban Yamilka Sánchez Kirenia Camacho Erasmo Mendoza Carmen Elena Viada Ramón Ortiz Ihosvannys Carreño Mayelin Troche Meylan Cepeda Ana Rosa Vals Leticia Cabrera Annia gorte Delmis Batista milagros Domenech Yanela Santiesteban Yuliannis Santiesteban Daymys Estevez Jessica garcía-Viamontes Conrado ramos Mico Mayra ramos-Suzarte gonzález Coro Hospital La Habana Cuba Celestino Hernández Robau Hospital Villa Clara Cuba Jose Ramón Lopez Tabranes Hospital Matanzas Cuba III Congreso Hospital Pinar del Río Cuba Faustino Perez Hospital Matanzas Cuba Center of Molecular Immunology Havana Cuba

Cervical uterine cancer represents the fourth most common malignant neoplasm worldwide in the female sex in terms of incidence, principally from epithelial origen. The high expression of EGFR in this tumor leads to the search for therapeutic alternatives. An Expanded Access Clinical Program was carried out in parallel groups, randomized, multicenter and prospective study, to evaluate the survival of patients with advanced cervical carcinoma, without therapeutic alternative, who would be treated with the therapeutic vaccine CIMAvax-EGF®, the humanized mAb nimotuzumab or the combination of both products, which targeted EGF and EGFR respectively. The patients were included between 2008 and 2010 with a more than five years follow-up. The results show that the serious adverse events related to the experimental treatments were 0.9%;1.1% and 2.6% and a medi

关键词： CIMAvax-EgF® Nimotuzumab Survival Safety Advanced Cervical Cancer

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