“…Nanoparticles are often loaded with a variety of chemicals, including chemotherapeutic drugs (Dai et al, 2015; Jin et al, 2016; Song et al, 2012), nucleic acid molecules (Guan et al, 2021; Lo et al, 2018), small‐molecule inhibitors (J. Wang et al, 2016), photosensitizers (Yan et al, 2016; H. Zhang et al, 2022), nanoimaging probes (Yu et al, 2022), and so on. - The nucleotide sequence of iRGD is linked to the nucleotide sequence of a protein or peptide via a peptide bond and expressed by an expression system to produce a recombinant antibody (Sha, Li, et al, 2015; Sha, Zou, et al, 2015) or recombinant protein (Lao et al, 2013, 2015; Yang, Yang, et al, 2019), or it can be coupled to a short peptide through a total chemical synthesis (Qifan et al, 2016).
- iRGD is linked to the membrane of biological cells, such as T cells (Ding et al, 2019) or red blood cells (RBCs) (C. Zhou et al, 2022), for treatment.
- The sequence of iRGD was inserted into the adenoviral vector and expressed on the surface of the adenovirus, conferring vector targeting (Al‐Zaher et al, 2018; Puig‐Saus et al, 2014).
- iRGD can be due in part to nanosystems that effectively target the TME (M. Liu et al, 2021; Ray et al, 2019; X. Xu et al, 2016).
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