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In Vivo Inhibition of Angiogenesis by Htsflt01/Mirgd Nano Complex Publisher



Khoshandam M1 ; Soheili ZS1 ; Hosseinkhani S2 ; Samiee S3 ; Latifinavid H1, 6, 7 ; Ahmadieh H4 ; Soltaninejad H5 ; Jahangiri B1
Authors
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Authors Affiliations
  1. 1. Department of Molecular Medicine, Institute of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
  2. 2. Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
  3. 3. Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
  4. 4. Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  5. 5. Department of stem cells technology and Tissue Regeneration, Faculty of Interdisciplinary Science and Technologies, Tarbiat Modares University, Tehran, Iran
  6. 6. School of Biological Sciences, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
  7. 7. Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Translational Oncology Published:2025


Abstract

The inhibition of angiogenesis is a crucial therapeutic strategy in cancer treatment, as it limits tumor growth and metastasis. In this study, we investigate the anti-angiogenic potential of a novel htsFLT01/MiRGD nanocomplex, designed to target key angiogenesis markers in cancer. This nanocomplex integrates the anti-angiogenic fusion protein htsFLT01 with the MiRGD peptide to enhance its efficacy. Our findings demonstrate that htsFLT01/MiRGD effectively suppresses angiogenesis both in vitro and in vivo, particularly in breast cancer models. Histological and molecular analyses reveal a significant reduction in blood vessel formation, accompanied by structural changes in tumor tissue. Furthermore, the expression levels of key angiogenesis-related genes, including VEGF, VEGFR, and CD31, are markedly downregulated, highlighting the therapeutic potential of this nanocomplex. Beyond its anti-angiogenic effects, the treatment also induces apoptosis and inhibits tumor cell proliferation, reinforcing its role as a promising targeted therapy for angiogenesis-dependent malignancies. These results underscore the potential of htsFLT01/MiRGD in cancer treatment and pave the way for future clinical applications in anti-angiogenic therapies. © 2025