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Antimetastatic Molecules: Perspective towards Treatment of Solid Cancers

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Medicinal Chemistry".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 2409

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Guest Editor
Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 881 Madison Avenue, Memphis, TN 38163, USA
Interests: anti-cancer drugs; antibiotics; antibacterial agents; bacterial infections; drug-resistant pathogens; medicinal chemistry; natural products; rational drug design; repurposing existing drugs and drug targets
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Special Issue Information

Dear Colleagues,

Cancer metastasis is the major cause of cancer morbidity and mortality and accounts for about 90% of cancer deaths. FDA-approved cytotoxic anticancer drugs have proven difficult in treating metastatic solid cancers. Metastatic solid cancer cells can invade via protease-dependent mesenchymal migration or protease-independent amoeboid migration. Many cancer cells can switch between these invasion modes in response to changes in the surrounding environment or to escape from cancer chemotherapies. As a general concept, treatment of metastatic solid cancers should be complemented with drugs that inhibit the ability of cancer cells to invade through the extracellular matrix and establish secondary tumors. The newer anticancer drugs developed based on the aberrant expression of molecular targets in cancer cells are cytotoxic molecules. Treatment with cytotoxic drugs is associated with common side effects. Immunotherapy is a promising method for the prevention and treatment of metastatic cancers. However, its therapeutic efficacies and adverse effects on the treatment of metastatic solid cancers need to be further studied. Thus, the discovery of a novel molecular target, which can develop into an antimetastatic agent with low toxicity to healthy cells, is a challenging goal for anticancer drug discovery. The aim of this Special Issue is to cover advances in the discovery of antimetastatic anticancer drugs. This Special Issue may include original research articles and reviews on drug targets, medicinal chemistry, new chemical entities, the structural biochemistry of unexploited drug targets, immunotherapy, new formulations, drug delivery, and new strategies for using approved drugs.

Prof. Dr. Michio Kurosu
Guest Editor

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Keywords

  • antimetastatic molecules
  • metastatic cancers
  • tumor metastasis
  • epithelial-mesenchymal transition (EMT)
  • cell-cell adhesion
  • integrin adhesions
  • chemotherapeutic drugs

Published Papers (1 paper)

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Research

10 pages, 4184 KiB  
Article
β2-Adrenergic Receptor Signaling Pathway Stimulates the Migration and Invasion of Cancer Cells via Src Activation
by Jae-Hoon Jeong, Hyun-Ji Park, Shin-Hyung Park, Yung-Hyun Choi and Gyoo-Yong Chi
Molecules 2022, 27(18), 5940; https://doi.org/10.3390/molecules27185940 - 13 Sep 2022
Cited by 4 | Viewed by 1974
Abstract
Chronic stress has been reported to stimulate the release of catecholamines, including norepinephrine (NE) and epinephrine (E), which promote cancer progression by activating the adrenergic receptor (AR). Although previous studies showed that β2-AR mediated chronic stress-induced tumor growth and metastasis, the underlying mechanism [...] Read more.
Chronic stress has been reported to stimulate the release of catecholamines, including norepinephrine (NE) and epinephrine (E), which promote cancer progression by activating the adrenergic receptor (AR). Although previous studies showed that β2-AR mediated chronic stress-induced tumor growth and metastasis, the underlying mechanism has not been fully explored. In this study, we aimed to investigate the molecular mechanism by which β2-AR exerts a pro-metastatic function in hepatocarcinoma (HCC) cells and breast cancer (BC) cells. Our results showed that Hep3B human HCC cells and MDA-MB-231 human BC cells exhibited the highest ADRB2 expression among diverse HCC and BC cell lines. NE, E, and isoprenaline (ISO), adrenergic agonists commonly increased the migration and invasion of Hep3B cells and MDA-MB-231 cells. The phosphorylation level of Src was significantly increased by E/NE. Dasatinib, a Src kinase inhibitor, blocked E/NE-induced migration and invasion, indicating that AR agonists enhanced the mobility of cancer cells by activating Src. ADRB2 knockdown attenuated E/NE-induced Src phosphorylation, as well as the metastatic ability of cancer cells, suggesting the essential role of β2-AR. Taken together, our results demonstrate that chronic stress-released catecholamines promoted the migration and invasion of HCC cells and BC cells via β2-AR-mediated Src activation. Full article
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