Antibody nanoparticle conjugate-based targeted immunotherapy for non-small cell lung cancer

Antibody nanoparticle conjugate-based targeted immunotherapy for non-small cell lung cancer

14 June 2024 | Tanmoy Saha, Michaela Fojtů, Astha Vinay Nagar, Liya Thurakkal, Balaaji Baanupriya Srinivasan, Meghna Mukherjee, Astralina Sibiyon, Heena Aggarwal, Akash Samuel, Chinmayee Dash, Hae Lin Jang, Shiladitya Sengupta
The study introduces a novel platform called antibody-conjugated drug-loaded nanotherapeutics (ADN) to address the limitations of current treatments for non-small cell lung cancer (NSCLC). ADN combines immunotherapy and molecularly targeted therapy by attaching an anti-CD47 and anti-PDL1 antibody pair to a nanoparticle, which also contains the PI3K/AKT/mTOR pathway inhibitor PI103. The ADN was designed to target both innate and adaptive immune responses, as well as inhibit oncogenic pathways. In vitro and in vivo studies demonstrated that the ADN exhibited greater antitumor efficacy compared to current treatment options, particularly in aggressive lung cancer models. The ADN showed higher cellular internalization and cytotoxicity in cancer cells, with reduced toxicity in normal cells. The combination of anti-CD47 and anti-PDL1 antibodies on the nanoparticle enhanced the binding and internalization of the ADN, leading to improved therapeutic outcomes. The ADN platform offers a unified approach to improve outcomes in NSCLC treatment by targeting multiple immune checkpoints and delivering drugs specifically to tumor tissues.The study introduces a novel platform called antibody-conjugated drug-loaded nanotherapeutics (ADN) to address the limitations of current treatments for non-small cell lung cancer (NSCLC). ADN combines immunotherapy and molecularly targeted therapy by attaching an anti-CD47 and anti-PDL1 antibody pair to a nanoparticle, which also contains the PI3K/AKT/mTOR pathway inhibitor PI103. The ADN was designed to target both innate and adaptive immune responses, as well as inhibit oncogenic pathways. In vitro and in vivo studies demonstrated that the ADN exhibited greater antitumor efficacy compared to current treatment options, particularly in aggressive lung cancer models. The ADN showed higher cellular internalization and cytotoxicity in cancer cells, with reduced toxicity in normal cells. The combination of anti-CD47 and anti-PDL1 antibodies on the nanoparticle enhanced the binding and internalization of the ADN, leading to improved therapeutic outcomes. The ADN platform offers a unified approach to improve outcomes in NSCLC treatment by targeting multiple immune checkpoints and delivering drugs specifically to tumor tissues.
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[slides and audio] Antibody nanoparticle conjugate%E2%80%93based targeted immunotherapy for non%E2%80%93small cell lung cancer