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  • Open Access

    REVIEW

    Impact of nanoparticles on immune cells and their potential applications in cancer immunotherapy

    JYOTHI B. NAIR1,2, ANU MARY JOSEPH3, SANOOP P.4, MANU M. JOSEPH5,*

    BIOCELL, Vol.48, No.11, pp. 1579-1602, 2024, DOI:10.32604/biocell.2024.054879 - 07 November 2024

    Abstract Nanoparticles represent a heterogeneous collection of materials, whether natural or synthetic, with dimensions aligning in the nanoscale. Because of their intense manifestation with the immune system, they can be harvested for numerous bio-medical and biotechnological advancements mainly in cancer treatment. This review article aims to scrutinize various types of nanoparticles that interact differently with immune cells like macrophages, dendritic cells, T lymphocytes, and natural killer (NK) cells. It also underscores the importance of knowing how nanoparticles influence immune cell functions, such as the production of cytokines and the presentation of antigens which are crucial for… More >

  • Open Access

    ABSTRACT

    Immune Cells Migrating through the Brain Endothelia Junctions Served as Shuttles for Nanoparticles Delivery to Glioblastoma

    Gloria B. Kim1,†, Qiong Wei2,†, Virginia Aragon-Sanabria1, Sulin Zhang2, Jian Yang1, Cheng Dong1,*

    Molecular & Cellular Biomechanics, Vol.16, Suppl.2, pp. 15-15, 2019, DOI:10.32604/mcb.2019.07137

    Abstract Most cells survive and grow by attaching and spreading on a substrate. They generate internal tension that contracts the cell body and thus exert tractions on the underlying substrate through focal adhesions. Traction force also plays a critical role in many biological processes, such as inflammation, metastasis, and angiogenesis. Thus, measuring the cell traction force provides valuable information on understanding the underlying mechanism of these biological processes. Here, a traction force microscopy (TFM) method using super thin hydrogels composed of immobilized fluorescent beads was utilized to quantify the mechanical forces generated during the transmigration of… More >

  • Open Access

    ARTICLE

    Rosette formation by macrophages with adhered T lymphocytes is precluded by inhibitors of antigen processing and presentation

    IVÓN TERESA NOVAK, HUMBERTO RAMÓN CABRAL

    BIOCELL, Vol.32, No.2, pp. 169-174, 2008, DOI:10.32604/biocell.2008.32.169

    Abstract We had previously found in autologous human leukocyte cultures, in which dead neutrophils phagocytosis by macrophages occur, macrophages and T CD4 lymphocytes perform a selective cell-cell interaction showing many figures of either one, two or several T- lymphocytes adhering to a central macrophage were seen. Considering that antigen presentation would be necessary for the formation of these immune synapses, we attempted to block rosette formation (i.e., the formation of macrophage associations with at least three lymphocytes) by interfering with both antigen processing and presentation. Culture samples of autologous leukocytes from 7 healthy donors were subjected More >

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