Toxicity and health impact of nanoparticles. Basic biology and clinical perspective.

Toxicity and health impact of nanoparticles. Basic biology and clinical perspective. Rom J Morphol Embryol. 2019;60(3):787-792 Authors: Olaru DG, Olaru A, Kassem GH, Popescu-Drigă MV, Pinoşanu LR, Dumitraşcu DI, Popescu EL, Hermann DM, Popa-Wagner A Abstract Stroke has limited restorative treatment options. In search of new therapeutic strategies for the ischemic brain, cell-based therapies offered new hope, which has been, in the meanwhile, converted into a more realistic approach recognizing difficulties related to unfavorable environments causing low survival rates of transplanted neuronal precursors. Stem cell therapies are based on the transplantation of neuronal precursor cells (NPCs), adult stem cells propagated in cell culture or inducible pluripotent cells (iPSCs) obtained from patients and trans-differentiated into neural cells. Of these, autologous iPSCs have the advantage to be used in stroke patients because they do not raise ethical concerns and the risk of graft rejection is low. However, the use of stem cells for stroke therapy in humans has to take into account many factors including, dosage, route of administration, toxicity and side effects. For example, nanoparticles (NPs) may increase the efficacy of drugs and therapeutic cells delivery to the diseased brain. Medication dosages are generally determined by clinical trials done in relatively young, healthy people. However, in vivo and clinical data evaluating th...
Source: Romanian Journal of Morphology and Embryology - Category: General Medicine Tags: Rom J Morphol Embryol Source Type: research