1
|
Sui Q, Hu Z, Liang J, Lu T, Bian Y, Jin X, Li M, Huang Y, Yang H, Wang Q, Lin Z, Chen Z, Zhan C. Targeting TAM-secreted S100A9 effectively enhances the tumor-suppressive effect of metformin in treating lung adenocarcinoma. Cancer Lett 2024; 581:216497. [PMID: 38008395 DOI: 10.1016/j.canlet.2023.216497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/28/2023] [Accepted: 11/13/2023] [Indexed: 11/28/2023]
Abstract
Metformin's effect on tumor treatment was complex, because it significantly reduced cancer cell proliferation in vitro, but made no difference in prognosis in several clinical cohorts. Our transcriptome sequencing results revealed that tumor-associated macrophage (TAM) infiltration significantly increased in active lung adenocarcinoma (LUAD) patients with long-term metformin use. We further identified that the tumor suppressive effect of metformin was more significant in mice after the depletion of macrophages, suggesting that TAMs might play an important role in metformin's effects in LUAD. Combining 10X Genomics single-cell sequencing of tumor samples, transcriptome sequencing of metformin-treated TAMs, and the ChIP-Seq data of the Encode database, we identified and validated that metformin significantly increased the expression and secretion of S100A9 of TAMs through AMPK-CEBP/β pathway. For the downstream, S100A9 binds to RAGE receptors on the surface of LUAD cells, and then activates the NF-κB pathway to promote EMT and progression of LUAD, counteracting the inhibitory effect of metformin on LUAD cells. In cell-derived xenograft models (CDX) and patient-derived xenograft models (PDX) models, our results showed that neutralizing antibodies targeting TAM-secreted S100A9 effectively enhanced the tumor suppressive effect of metformin in treating LUAD. Our results will enable us to better comprehend the complex role of metformin in LUAD, and advance its clinical application in cancer treatment.
Collapse
Affiliation(s)
- Qihai Sui
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Zhengyang Hu
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Jiaqi Liang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Tao Lu
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yunyi Bian
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xing Jin
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Ming Li
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yiwei Huang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Huiqiang Yang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Qun Wang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Zongwu Lin
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China.
| | - Zhencong Chen
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China.
| | - Cheng Zhan
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China.
| |
Collapse
|
2
|
Qu N, Luan T, Liu N, Kong C, Xu L, Yu H, Kang Y, Han Y. Hepatocyte nuclear factor 4 a (HNF4α): A perspective in cancer. Biomed Pharmacother 2023; 169:115923. [PMID: 38000355 DOI: 10.1016/j.biopha.2023.115923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 11/06/2023] [Accepted: 11/20/2023] [Indexed: 11/26/2023] Open
Abstract
HNF4α, a transcription factor, plays a vital role in regulating functional genes and biological processes. Its alternative splicing leads to various transcript variants encoding different isoforms. The spotlight has shifted towards the extensive discussion on tumors interplayed withHNF4α abnormalities. Aberrant HNF4α expression has emerged as sentinel markers of epigenetic shifts, casting reverberations upon downstream target genes and intricate signaling pathways, most notably with cancer. This review provides a comprehensive overview of HNF4α's involvement in tumor progression and metastasis, elucidating its role and underlying mechanisms.
Collapse
Affiliation(s)
- Ningxin Qu
- The Breast Oncology Dept., Shengjing Hospital of China Medical University, Shenyang, China
| | - Ting Luan
- Department of Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Naiquan Liu
- The Nephrological Dept., Shengjing Hospital of China Medical University, Shenyang, China
| | - Chenhui Kong
- The Breast Oncology Dept., Shengjing Hospital of China Medical University, Shenyang, China
| | - Le Xu
- The Breast Oncology Dept., Shengjing Hospital of China Medical University, Shenyang, China
| | - Hong Yu
- The Breast Oncology Dept., Shengjing Hospital of China Medical University, Shenyang, China
| | - Ye Kang
- The Pathology Dept, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ye Han
- The Breast Oncology Dept., Shengjing Hospital of China Medical University, Shenyang, China.
| |
Collapse
|
3
|
Kontoghiorghes GJ. Drug Selection and Posology, Optimal Therapies and Risk/Benefit Assessment in Medicine: The Paradigm of Iron-Chelating Drugs. Int J Mol Sci 2023; 24:16749. [PMID: 38069073 PMCID: PMC10706143 DOI: 10.3390/ijms242316749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/19/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
The design of clinical protocols and the selection of drugs with appropriate posology are critical parameters for therapeutic outcomes. Optimal therapeutic protocols could ideally be designed in all diseases including for millions of patients affected by excess iron deposition (EID) toxicity based on personalised medicine parameters, as well as many variations and limitations. EID is an adverse prognostic factor for all diseases and especially for millions of chronically red-blood-cell-transfused patients. Differences in iron chelation therapy posology cause disappointing results in neurodegenerative diseases at low doses, but lifesaving outcomes in thalassemia major (TM) when using higher doses. In particular, the transformation of TM from a fatal to a chronic disease has been achieved using effective doses of oral deferiprone (L1), which improved compliance and cleared excess toxic iron from the heart associated with increased mortality in TM. Furthermore, effective L1 and L1/deferoxamine combination posology resulted in the complete elimination of EID and the maintenance of normal iron store levels in TM. The selection of effective chelation protocols has been monitored by MRI T2* diagnosis for EID levels in different organs. Millions of other iron-loaded patients with sickle cell anemia, myelodysplasia and haemopoietic stem cell transplantation, or non-iron-loaded categories with EID in different organs could also benefit from such chelation therapy advances. Drawbacks of chelation therapy include drug toxicity in some patients and also the wide use of suboptimal chelation protocols, resulting in ineffective therapies. Drug metabolic effects, and interactions with other metals, drugs and dietary molecules also affected iron chelation therapy. Drug selection and the identification of effective or optimal dose protocols are essential for positive therapeutic outcomes in the use of chelating drugs in TM and other iron-loaded and non-iron-loaded conditions, as well as general iron toxicity.
Collapse
Affiliation(s)
- George J Kontoghiorghes
- Postgraduate Research Institute of Science, Technology, Environment and Medicine, Limassol 3021, Cyprus
| |
Collapse
|