Three optimised nanoparticles have been developed (two uncoated and one HA-coated) and their toxicity on fibroblasts and macrophages has been evaluated: experiments showed the beneficial character of HA-coating in the reduction of toxicity (IC50 raised from 0.7-0.8 mg/mL to 1.8 mg/mL) and suggested that the uncoated chitosan/TPP nanoparticles had toxic effects following internalisation rather than membrane disruption.
During pregnancy, women were more conservative and skeptic toward medication, health-care professionals should be aware of such attitudes when advising pregnant women to take medication.
Much advance is still needed to create a complete and coherent biological picture of endocytosis, but current knowledge already allows individuation of a good number of targetable groups for a predetermined intracellular fate of nanocarriers.
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