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Despite notable advancements in cancer therapeutics, metastasis remains a primary obstacle impeding a successful prognosis. Our prior study has identified heme oxygenase 2 (HO2) as a promising therapeutic biomarker for the aggressive subsets within tumor. This study aims to systematically evaluate HO2 as a therapeutic target of cancer, with a specific emphasis on its efficacy in addressing cancer metastasis. Through targeted inhibition of HO2 by TiNIR (tumor-initiating cell probe with near infrared), we observed a marked increase in reactive oxygen species. This, in turn, orchestrated the modulation of AKT and cJUN activation, culminating in a substantial attenuation of both proliferation and migration within a metastatic cancer cell model. Furthermore, in a mouse model, clear inhibition of cancer metastasis was unequivocally demonstrated with an HO2 inhibitor administration. These findings underscore the therapeutic promise of targeting HO2 as a strategic intervention to impede cancer metastasis, enhancing the effectiveness of cancer treatments.
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http://dx.doi.org/10.34133/bmr.0026 | DOI Listing |
J Pathol Transl Med
September 2025
Department of Otorhinolaryngology Head and Neck Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, China.
Background: C-C motif chemokine ligand 3 (CCL3) is a crucial chemokine that plays a fundamental role in the immune microenvironment and is closely linked to the development of various cancers. Despite its importance, there is limited research regarding the expression and function of CCL3 in nasopharyngeal carcinoma (NPC). Therefore, this study seeks to examine the expression of CCL3 and assess its clinical significance in NPC using bioinformatics analysis and experiments.
View Article and Find Full Text PDFZhong Nan Da Xue Xue Bao Yi Xue Ban
May 2025
Department of Information Network Center, Third Xiangya Hospital, Central South University, Changsha 410013, China.
Objectives: Increasing detection of low-risk papillary thyroid carcinoma (PTC) is associated with overdiagnosis and overtreatment. N6-methyladenosine (mA)-mediated microRNA (miRNA) dysregulation plays a critical role in tumor metastasis and progression. However, the functional role of mA-miRNAs in PTC remains unclear.
View Article and Find Full Text PDFBiomater Sci
September 2025
College of Marine Life Science, Ocean University of China, Qingdao, 266003, PR China.
Polyphenols, rich in phenolic structures, are widely found in plants and known for disturbing the cellular oxidative stress and regulating the signal pathways of tumor proliferation and metastasis, making them valuable in cancer therapy. Polyphenols display high adherence due to the presence of phenolic hydroxyl groups, which enables the formation of covalent and non-covalent interactions with different materials. However, nonspecific adhesion of polyphenols carries significant risks in applications as polyphenols might adhere to proteins and polysaccharides in the bloodstream or gastrointestinal tract, leading to thrombosis and lithiasis.
View Article and Find Full Text PDFCancer Rep (Hoboken)
September 2025
Division of Gastroenterology, Department of Internal Medicine, Asahikawa Medical University, Asahikawa, Japan.
Background: Cancer of unknown primary (CUP) is a challenging malignancy characterized by metastatic tumors with an unidentified primary site, even after extensive pathological and radiographic evaluation. Recent advancements in gene expression profiling and comprehensive genomic profiling (CGP) using next-generation sequencing (NGS) have enabled the identification of potential tissue origins, thereby facilitating personalized treatment strategies. Although most cases of CUP present as adenocarcinomas or poorly differentiated tumors, the treatment remains largely empirical, with limited success from molecularly tailored therapies.
View Article and Find Full Text PDFNan Fang Yi Ke Da Xue Xue Bao
August 2025
School of Mathematics and Statistics, Guangdong University of Technology, Guangzhou 510520, China.
Objectives: To explore the key role of myeloid-derived suppressive cells (MDSCs) in pre-metastatic niche (PMN) and analyze their interrelationships with the main components in the microenvironment using a mathematical model.
Methods: Mathematical descriptions were used to systematically analyze the functions of MDSCs in tumor metastasis and elucidate their association with the major components (vascular endothelial cells, mesenchymal stromal cells, and cancer-associated macrophages) contributing to the formation of the pre-metastatic microenvironment. Based on the formation principle of the pre-metastatic microenvironment of tumors, the key biological processes were assumed to construct a coupled partial differential diffusion equation model.