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Can free free liposomes support the growth of intracellular bacteria inside host cells? 


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Free liposomes, without any encapsulated antibiotic, do not support the growth of intracellular bacteria inside host cells. Research indicates that liposomal encapsulation of antibiotics, such as ampicillin, enhances antibacterial activity against intracellular bacteria. In contrast, studies show that liposomes can be utilized to deliver antibiotics effectively to intracellular bacterial pools, improving antibacterial activity. Furthermore, liposomes functionalized with specific moieties, like extracellular adherence protein (Eap), can facilitate the intracellular delivery of antibiotics, reducing intracellular bacterial load. Therefore, while free liposomes alone do not promote the growth of intracellular bacteria, they can be instrumental in enhancing the delivery and efficacy of antibiotics against intracellular infections.

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Empty liposomes do not support the growth of intracellular bacteria inside host cells. They had no effect on bacterial growth, indicating they do not promote intracellular bacterial survival.
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