Delving into the Latest Updates on CKAP4 targeted aptamer(Wuhan University-) with Synapse

Overview

Basic Info

Drug Type

Aptamers

Synonyms-

Target

CKAP4

Mechanism

CKAP4 inhibitors(cytoskeleton associated protein 4 inhibitors)

Therapeutic Areas

Neoplasms

Active Indication

Neoplasm Metastasis

Inactive Indication-

Originator Organization

Wuhan University

Active Organization

Wuhan University

Inactive Organization-

Drug Highest PhasePreclinical

First Approval Date-

Regulation-

Structure

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AbstractCytoskeleton‐associated protein 4 (CKAP4) is a cell surface receptor for Dickkopf 1 (DKK1), a secreted protein. The DKK1–CKAP4 pathway is activated in various malignant tumors, including pancreatic, lung, esophageal, and liver cancers, to promote tumor growth. Thus, CKAP4 has been expected to represent a novel molecular target of cancer therapy. Recombinant mouse anti‐CKAP4 antibodies were generated based on an original mouse antibody (3F11‐2B10) and inhibited DKK1–CKAP4 signaling and xenograft tumor formation induced by pancreatic cancer cells, which was comparable with 3F11‐2B10. From the 3F11‐2B10 nucleotide sequence, humanized anti‐CKAP4 antibody (Hv1Lt1) was subsequently developed. The binding affinity of Hv1Lt1 for CKAP4 was superior to that of 3F11‐2B10. Hv1Lt1 inhibited DKK1 binding to CKAP4, AKT activity, and sphere formation of pancreatic cancer cells, which was comparable with 3F11‐2B10. Hv1Lt1 also suppressed xenograft tumor formation induced by human pancreatic cancer cells and tumor growth in murine cancer models, in which murine pancreatic cancer organoids were orthotopically transplanted into the pancreas. In resected tumor samples from mice treated with Hv1Lt1, anti‐tumor immune reactions were modulated and cytotoxic T cells were highly infiltrated in the tumor microenvironment. Additionally, combination of Hv1Lt1 and other chemotherapy drugs exhibited stronger effects compared with monotherapy. These results suggest that Hv1Lt1 represents a promising anti‐cancer therapy.

100 Deals associated with CKAP4 targeted aptamer(Wuhan University-)

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