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InteRNA Technologies, a clinical-stage biotech company developing microRNA (miRNA)-based therapeutics with a focus on cancer, today announced that preclinical data investigating the Company’s lead candidate, INT-1B3, have been published in the peer-reviewed journals Molecular Therapy – Nucleic Acids and Oncotarget. INT-1B3 is a mimic of the tumor suppressor miRNA-193a-3p and has the potential to address multiple hallmarks of cancer at the same time. The published results include data from tumor cell lines and experimental tumor models and support the high therapeutic potential of INT-1B3 in solid tumor indications.
“Publications of our preclinical data with INT-1B3 in two highly-ranked, peer-reviewed journals represent a major milestone for our research and development team, and recognition of the innovative scientific research conducted at InteRNA in the last few years,” said Dr. Michel Janicot, Chief Development Officer of InteRNA Technologies. “Documenting the molecular mechanism of action of our miR-193a-3p mimic and consequent downstream biology in cancer cells strongly supports INT-1B3 as novel promising candidate for therapeutic intervention in oncology.”
In the publication in Molecular Therapy – Nucleic Acids, results of extended RNA-sequencing and transcriptome-wide analysis after transfection of the miR-193a-3p mimic (1B3) in human tumor cell lines were presented, revealing insights into the underlying molecular pathways of 1B3’s tumor suppressor functions. Differentially expressed genes mapped by Ingenuity Pathway Analysis strongly indicated upregulation of the tumor suppressive PTEN pathway as well as downregulation of many oncogenic growth factor signaling pathways. Furthermore, the analysis pointed to an extensive link of 1B3 with cancer, based on predicted negative effects on tumor cell survival, proliferation and migration as well as induction of cell death in tumor cells. These data strongly suggest that 1B3 is a potent tumor suppressor agent which targets various key hallmark pathways across cancer types.
These preclinical results contributed to the decision by InteRNA to initiate a first-in-human clinical study with INT-1B3 in patients with advanced solid tumors. The first patient in the study was dosed in February 2021. The trial is conducted in clinical study centers in the Netherlands and Belgium and topline results from the dose escalation part of the study are expected by the end of 2021.
Source – BusinessWire
