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Afsar A, Zhang L. Putative Molecular Mechanisms Underpinning the Inverse Roles of Mitochondrial Respiration and Heme Function in Lung Cancer and Alzheimer's Disease. BIOLOGY 2024; 13:185. [PMID: 38534454 DOI: 10.3390/biology13030185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/01/2024] [Accepted: 03/08/2024] [Indexed: 03/28/2024]
Abstract
Mitochondria are the powerhouse of the cell. Mitochondria serve as the major source of oxidative stress. Impaired mitochondria produce less adenosine triphosphate (ATP) but generate more reactive oxygen species (ROS), which could be a major factor in the oxidative imbalance observed in Alzheimer's disease (AD). Well-balanced mitochondrial respiration is important for the proper functioning of cells and human health. Indeed, recent research has shown that elevated mitochondrial respiration underlies the development and therapy resistance of many types of cancer, whereas diminished mitochondrial respiration is linked to the pathogenesis of AD. Mitochondria govern several activities that are known to be changed in lung cancer, the largest cause of cancer-related mortality worldwide. Because of the significant dependence of lung cancer cells on mitochondrial respiration, numerous studies demonstrated that blocking mitochondrial activity is a potent strategy to treat lung cancer. Heme is a central factor in mitochondrial respiration/oxidative phosphorylation (OXPHOS), and its association with cancer is the subject of increased research in recent years. In neural cells, heme is a key component in mitochondrial respiration and the production of ATP. Here, we review the role of impaired heme metabolism in the etiology of AD. We discuss the numerous mitochondrial effects that may contribute to AD and cancer. In addition to emphasizing the significance of heme in the development of both AD and cancer, this review also identifies some possible biological connections between the development of the two diseases. This review explores shared biological mechanisms (Pin1, Wnt, and p53 signaling) in cancer and AD. In cancer, these mechanisms drive cell proliferation and tumorigenic functions, while in AD, they lead to cell death. Understanding these mechanisms may help advance treatments for both conditions. This review discusses precise information regarding common risk factors, such as aging, obesity, diabetes, and tobacco usage.
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Affiliation(s)
- Atefeh Afsar
- Department of Biological Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Li Zhang
- Department of Biological Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
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Haddad B, Khalil J, Al Khashali H, Ray R, Goel S, Darweesh B, Coleman KL, Wozniak C, Ranzenberger R, Lopo B, Guthrie J, Heyl D, Evans HG. The role of leptin in regulation of the soluble amyloid precursor protein α (sAPPα) levels in lung cancer cell media. Sci Rep 2024; 14:4921. [PMID: 38418632 PMCID: PMC10901813 DOI: 10.1038/s41598-024-55717-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 02/27/2024] [Indexed: 03/02/2024] Open
Abstract
Previously, we found that the levels of soluble amyloid precursor protein α (sAPPα) are regulated, in part, by acetylcholinesterase (AChE) in human A549 (p53 wild-type) and H1299 (p53-null) NSCLC cell lines. In this study, we found regulation of sAPPα levels in the media by leptin, a widely recognized obesity-associated adipokine that has recently been shown to play a possible role in cancer signaling. Increased levels of sAPPα, that were accompanied by lower Aβ40/42 levels in the media of A549 and H1299 cells, were detected upon cell incubation with leptin. Conversely, knockdown of leptin or its receptor led to reduced levels of sAPPα and increased levels of Aβ40/42 in the media of A549 and H1299 cells, suggesting that leptin likely shifts APP processing toward the non-amyloidogenic pathway. A549 cell treatment with leptin increased acetylcholine levels and blocked the activities of AChE and p53. Treatment with leptin resulted in increased activation of PKC, ERK1/2, PI3K, and the levels of sAPPα, effects that were reversed by treatment with kinase inhibitors and/or upon addition of AChE to A549 and H1299 cell media. Cell viability increased by treatment of A549 and H1299 cells with leptin and decreased upon co-treatment with AChE and/or inhibitors targeting PKC, ERK1/2, and PI3K. This study is significant as it provides evidence for a likely carcinogenic role of leptin in NSCLC cells via upregulation of sAPPα levels in the media, and highlights the importance of targeting leptin as a potential therapeutic strategy for NSCLC treatment.
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Affiliation(s)
- Ben Haddad
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Jeneen Khalil
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Hind Al Khashali
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Ravel Ray
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Stuti Goel
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Ban Darweesh
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Kai-Ling Coleman
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Caroline Wozniak
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Robert Ranzenberger
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Brooke Lopo
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Jeffrey Guthrie
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Deborah Heyl
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA
| | - Hedeel Guy Evans
- Chemistry Department, Eastern Michigan University, Ypsilanti, MI, 48197, USA.
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Sato S. Adipo-oncology: adipocyte-derived factors govern engraftment, survival, and progression of metastatic cancers. Cell Commun Signal 2024; 22:52. [PMID: 38238841 PMCID: PMC10797898 DOI: 10.1186/s12964-024-01474-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/03/2024] [Indexed: 01/22/2024] Open
Abstract
Conventional therapies for metastatic cancers have limited efficacy. Recently, cancer therapies targeting noncancerous cells in tumor microenvironments have shown improved clinical outcomes in patients. However, further advances in our understanding of the metastatic tumor microenvironment are required to improve treatment outcomes. Adipocytes are distributed throughout the body, and as a part of the metastatic tumor microenvironment, they interact with cancer cells in almost all organs. Adipocytes secrete various factors that are reported to exert clinical effects on cancer progression, including engraftment, survival, and expansion at the metastatic sites. However, only a few studies have comprehensively examined their impact on cancer cells. In this review, we examined the impact of adipocytes on cancer by describing the adipocyte-secreted factors that are involved in controlling metastatic cancer, focusing on adipokines, such as adiponectin, leptin, visfatin, chemerin, resistin, apelin, and omentin. Adipocyte-secreted factors promote cancer metastasis and contribute to various biological functions of cancer cells, including migration, invasion, proliferation, immune evasion, and drug resistance at the metastatic sites. We propose the establishment and expansion of "adipo-oncology" as a research field to enhance the comprehensive understanding of the role of adipocytes in metastatic cancers and the development of more robust metastatic cancer treatments.
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Affiliation(s)
- Shinya Sato
- Morphological Analysis Laboratory, Kanagawa Cancer Center Research Institute, 2-3-2, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan.
- Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, 2-3-2, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan.
- Department of Pathology, Kanagawa Cancer Center Hospital, 2-3-2, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan.
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Hua KF, Li LH, Yu HC, Wong WT, Hsu HT. Leptin Induces MMP-1 Expression Through the RhoA/ERK1/2/NF-κB Axis in Human Intervertebral Disc Cartilage Endplate-Derived Stem Cells. J Inflamm Res 2023; 16:5235-5248. [PMID: 38026238 PMCID: PMC10657743 DOI: 10.2147/jir.s431026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023] Open
Abstract
Purpose Intervertebral disc (IVD) degeneration, associated with aging, may cause low back pain and disability, with obesity as a significant risk factor. In a prior study, we found a positive correlation between IVD degeneration and levels of matrix metalloproteinase-1 (MMP-1) and leptin. Yet, the interaction between MMP-1 and leptin in IVD degeneration is unclear. Our research seeks to explore leptin's influence on MMP-1 expression and the underlying mechanisms in human intervertebral disc cartilage endplate-derived stem cells, specifically SV40 cells. Methods The mRNA and protein expression in leptin-stimulated SV40 cells were assessed using RT-real-time PCR and Western blotting or ELISA, respectively. We examined leptin-mediated RhoA activation through a GTP-bound RhoA pull-down assay. Furthermore, the phosphorylation levels of mitogen-activated protein kinases and AKT in leptin-stimulated SV40 cells were analyzed using Western blotting. The activation of NF-κB by leptin was investigated by assessing phosphorylation of IKKα/β, IκBα, and NF-κB p65, along with the nuclear translocation of NF-κB p65. To understand the underlying mechanism behind leptin-mediated MMP-1 expression, we employed specific inhibitors. Results Leptin triggered the mRNA and protein expression of MMP-1 in SV40 cells. In-depth mechanistic investigations uncovered that leptin heightened RhoA activity, promoted ERK1/2 phosphorylation, and increased NF-κB activity. However, leptin did not induce phosphorylation of JNK1/2, p38, or AKT. When we inhibited RhoA, ERK1/2, and NF-κB, it resulted in a decrease in MMP-1 expression. Conversely, inhibition of reactive oxygen species and NADPH oxidase did not yield the same outcome. Additionally, inhibiting RhoA or ERK1/2 led to a reduction in leptin-induced NF-κB activation. Moreover, inhibiting RhoA also decreased leptin-mediated ERK1/2 phosphorylation. Conclusion These results indicated that leptin induced MMP-1 expression in SV40 cells through the RhoA/ERK1/2/NF-κB axis. This study provided the pathogenic role of leptin and suggested the potential therapeutic target for IVD degeneration.
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Affiliation(s)
- Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Yilan, 26047, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, 404333, Taiwan
| | - Lan-Hui Li
- Department of Laboratory Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei, 108, Taiwan
| | - Hsin-Chiao Yu
- Division of Neurosurgery, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, 231, Taiwan
| | - Wei-Ting Wong
- Department of Biotechnology and Animal Science, National Ilan University, Yilan, 26047, Taiwan
| | - Hsien-Ta Hsu
- Division of Neurosurgery, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, 231, Taiwan
- School of Medicine, Buddhist Tzu Chi University, Hualien, 970, Taiwan
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Li F, Hao S, Gao J, Jiang P. EGCG alleviates obesity-exacerbated lung cancer progression by STAT1/SLC7A11 pathway and gut microbiota. J Nutr Biochem 2023; 120:109416. [PMID: 37451475 DOI: 10.1016/j.jnutbio.2023.109416] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 06/24/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
Leptin is a nutritional cytokine, and it is closely related to the progression of cancer. However, the detailed effect of leptin in lung cancer remains poorly known. We found leptin-induced A549 cell proliferation, migration, and invasion, which was reversed by epigallocatechin gallate (EGCG) from green tea. Currently, we found that leptin-triggered M2 polarization of tumor-associated macrophages was inhibited by EGCG. Then, to investigate the underlying mechanism effect of leptin on A549 cells was studied. Aberrant activities of STAT1 are implicated in cancer development. Based on the cancer genome atlas data, STAT1 acted as an oncogene in lung cancer and EGCG greatly reduced STAT1 expression in A549 cells. Ferroptosis is an iron-dependent nonapoptotic cell death. STAT1 served as a transcriptional activator for SLC7A11. EGCG restrained lung cancer cell growth induced by leptin via targeting STAT1-SLC7A11 mediated ferroptosis. A high-fat diet (HFD) feeding condition was combined with a multi-dose urethane-induced lung tumorigenesis model using C57BL/6J mice. Obesity was induced with a 60 kcal% HFD feeding. Serum leptin levels increased in urethane-administered and HFD-fed mice. Compared to the control diet-fed mice, the HFD-fed mice exhibited increased lung tumor burden and typical pro-tumorigenic STAT1 activation in lung tissues after urethane administration. In addition, HFD alters the gut microbiome by decreasing the abundance of Clostridia and by increasing the abundance of Deltaproteobacteria and Epsilonproteobacteria while EGCG exhibited a reversed effect. These findings suggested that leptin promoted the development of lung tumorigenesis in vitro and in vivo via mediating activation of the STAT-SLC7A11 pathway and gut microbiota.
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Affiliation(s)
- Fan Li
- Department of Nutrition, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Shengyu Hao
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jian Gao
- Department of Nutrition, Zhongshan Hospital, Fudan University, Shanghai, China.
| | - Pan Jiang
- Department of Nutrition, Zhongshan Hospital, Fudan University, Shanghai, China; Department of Nutrition, QingPu District Central Hospital, Shanghai, China.
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Tie W, Ma T, Yi Z, Liu J, Li Y, Bai J, Li L, Zhang L. Obesity as a risk factor for multiple myeloma: insight on the role of adipokines. Pathol Oncol Res 2023; 29:1611338. [PMID: 37637774 PMCID: PMC10447903 DOI: 10.3389/pore.2023.1611338] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 08/01/2023] [Indexed: 08/29/2023]
Abstract
Multiple myeloma (MM) is a hematologic disorder characterized by the accumulation of malignant plasma cells in the bone marrow. Genetic and environmental factors are contributed to the etiology of MM. Notably, studies have shown that obesity increases the risk of MM and worsens outcomes for MM patients. Adipokines play an important role in mediating the close association between MM and metabolic derangements. In this review, we summarize the epidemiologic studies to show that the risk of MM is increased in obese. Accumulating clinical evidence suggests that adipokines could display a correlation with MM. In vitro and in vivo studies have shown that adipokines are linked to MM, including roles in the biological behavior of MM cells, cancer-associated bone loss, the progression of MM, and drug resistance. Current and potential therapeutic strategies targeted to adipokines are discussed, proposing that adipokines can guide early patient diagnosis and treatment.
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Affiliation(s)
- Wenting Tie
- Department of Hematology, Lanzhou University Second Hospital, Lanzhou, China
- Department of Endocrinology, Lanzhou University Second Hospital, Lanzhou, China
| | - Tao Ma
- Department of Hematology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Zhigang Yi
- Department of Hematology, Lanzhou University Second Hospital, Lanzhou, China
| | - Jia Liu
- Department of Hematology, Lanzhou University Second Hospital, Lanzhou, China
| | - Yanhong Li
- Department of Hematology, Lanzhou University Second Hospital, Lanzhou, China
| | - Jun Bai
- Department of Hematology, Lanzhou University Second Hospital, Lanzhou, China
| | - Lijuan Li
- Department of Hematology, Lanzhou University Second Hospital, Lanzhou, China
| | - Liansheng Zhang
- Department of Hematology, Lanzhou University Second Hospital, Lanzhou, China
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Caruso A, Gelsomino L, Panza S, Accattatis FM, Naimo GD, Barone I, Giordano C, Catalano S, Andò S. Leptin: A Heavyweight Player in Obesity-Related Cancers. Biomolecules 2023; 13:1084. [PMID: 37509120 PMCID: PMC10377641 DOI: 10.3390/biom13071084] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/30/2023] Open
Abstract
Obesity, defined as the abnormal or excessive expansion of white adipose tissue, has reached pandemic proportions and is recognized as an important health concern since it is a common root for several comorbidities, including malignancies. Indeed, the current knowledge of the white adipose tissue, which shifts its role from an energy storage tissue to an important endocrine and metabolic organ, has opened up new avenues for the discovery of obesity's effects on tumor biology. In this review, we will report the epidemiological studies concerning the strong impact of obesity in several types of cancer and describe the mechanisms underlying the heterotypic signals between cancer cell lines and adipocytes, with particular emphasis on inflammation, the insulin/IGF-1 axis, and adipokines. Among the adipokines, we will further describe the in vitro, in vivo, and clinical data concerning the role of leptin, recognized as one of the most important mediators of obesity-associated cancers. In fact, leptin physiologically regulates energy metabolism, appetite, and reproduction, and several studies have also described the role of leptin in affecting cancer development and progression. Finally, we will summarize the newest pharmacological strategies aimed at mitigating the protumorigenic effects of leptin, underlining their mechanisms of action.
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Affiliation(s)
- Amanda Caruso
- Department of Pharmacy, Health and Nutritional Sciences, Via P Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
| | - Luca Gelsomino
- Department of Pharmacy, Health and Nutritional Sciences, Via P Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
- Centro Sanitario, Via P. Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
| | - Salvatore Panza
- Department of Pharmacy, Health and Nutritional Sciences, Via P Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
| | - Felice Maria Accattatis
- Department of Pharmacy, Health and Nutritional Sciences, Via P Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
| | - Giuseppina Daniela Naimo
- Department of Pharmacy, Health and Nutritional Sciences, Via P Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
| | - Ines Barone
- Department of Pharmacy, Health and Nutritional Sciences, Via P Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
- Centro Sanitario, Via P. Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
| | - Cinzia Giordano
- Department of Pharmacy, Health and Nutritional Sciences, Via P Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
- Centro Sanitario, Via P. Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
| | - Stefania Catalano
- Department of Pharmacy, Health and Nutritional Sciences, Via P Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
- Centro Sanitario, Via P. Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
| | - Sebastiano Andò
- Department of Pharmacy, Health and Nutritional Sciences, Via P Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
- Centro Sanitario, Via P. Bucci, University of Calabria, Arcavacata di Rende (CS), 87036 Cosenza, Italy
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Tong G, Peng T, Chen Y, Sha L, Dai H, Xiang Y, Zou Z, He H, Wang S. Effects of GLP-1 Receptor Agonists on Biological Behavior of Colorectal Cancer Cells by Regulating PI3K/AKT/mTOR Signaling Pathway. Front Pharmacol 2022; 13:901559. [PMID: 36034798 PMCID: PMC9399678 DOI: 10.3389/fphar.2022.901559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 04/19/2022] [Indexed: 11/13/2022] Open
Abstract
Colorectal cancer (CRC) has become one of the top ten malignant tumors with a high incidence rate and mortality. Due to the lack of a good CRC screening program, most of the CRC patients are being transferred at the time of treatment. The conventional treatment cannot effectively improve the prognosis of CRC patients, and the target drugs can significantly prolong the overall survival of patients in the advanced stage. However, the use of single drug may lead to acquired drug resistance and various serious complications. Therefore, combined targeted drug therapy is the main alternative treatment with poor effect of single targeted drug therapy, which has important research significance for the treatment of CRC. Therefore, this study intends to culture CRC cell lines in vitro at the cell level and intervene with the GLP-1 receptor agonist liraglutide. The effects of liraglutide on the PI3K/Akt/mTOR signal pathway and CRC cell proliferation, cycle, migration, invasion, and apoptosis are explored by detecting cell proliferation, cycle, migration, invasion, and apoptosis and the expression of related mRNA and protein. The results showed that liraglutide, a GLP-1 receptor agonist, could block the CRC cell cycle, reduce cell proliferation, migration, and invasion and promote apoptosis by inhibiting the PI3K/Akt/mTOR signal pathway.
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Affiliation(s)
- Guoxiang Tong
- Academician Workstation, Changsha Medical University, Changsha, China
- Department of Endocrinology, The First Affiliated Hospital of Changsha Medical University, Changsha, China
- Hunan Evidence-based Biotechnology Co., Ltd., Changsha, China
| | - Tianhao Peng
- Hunan Evidence-based Biotechnology Co., Ltd., Changsha, China
| | - Ya Chen
- Hunan Evidence-based Biotechnology Co., Ltd., Changsha, China
| | - Lijuan Sha
- Hunan Evidence-based Biotechnology Co., Ltd., Changsha, China
| | - Huikang Dai
- Hunan Evidence-based Biotechnology Co., Ltd., Changsha, China
| | - Yidong Xiang
- Hunan Evidence-based Biotechnology Co., Ltd., Changsha, China
| | - Zhiqi Zou
- Hunan Evidence-based Biotechnology Co., Ltd., Changsha, China
| | - Heli He
- Department of Oncology, The First Affiliated Hospital of Changsha Medical University, Changsha, China
| | - Sha Wang
- Academician Workstation, Changsha Medical University, Changsha, China
- Department of Endocrinology, The First Affiliated Hospital of Changsha Medical University, Changsha, China
- *Correspondence: Sha Wang,
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Dong Y, Xu T, Li D, Guo H, Du X, Li G, Chen J, Wang B, Wang P, Yu G, Zhao X, Xue R. NLR family CARD domain containing 5 promotes hypoxia-induced cancer progress and carboplatin resistance by activating PI3K/AKT via carcinoembryonic antigen related cell adhesion molecule 1 in non-small cell lung cancer. Bioengineered 2022; 13:14413-14425. [PMID: 36694434 PMCID: PMC9995128 DOI: 10.1080/21655979.2022.2086375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
It is well known that non-small cell lung cancer (NSCLC) is a malignant tumor with high incidence in the world. We aimed to clarify a possible target and identify its precise molecular biological mechanism in NSCLC. NLR family CARD domain containing 5 (NLRC5) is widely expressed in tissues and exerts a vital role in anti-tumor immunity. We determined NLRC5 expression by RT-qPCR and western blot assay. The role of NLRC5 in the development of NSCLC was assessed by a loss-of-function assay. CCK-8, Annexin-V-FITC/PI Apoptosis Detection Kit, Transwell, and wound healing assays were used to determine the cell functions. Drug resistance-related proteins were analyzed by western blot assay. Furthermore, the modulation of NLRC5 on carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) expression and subsequent PI3K/AKT signaling was assessed. In this study, a hyper-expression of NLRC5 was found in NSCLC tissues and cell lines. Knockdown of NLRC5 suppressed cell viability, invasion, and migration, and furthermore promoted cell apoptosis in NSCLC cells. Moreover, under normoxia or hypoxia treatment, the upregulation of NLRC5 was related to carboplatin resistance. NLRC5 silencing increased carboplatin-resistant cell chemosensitivity, as evidenced by the increase in the cell inhibition rate and decrease in drug resistance-related protein expression. Mechanistically, NLRC5 knockdown inhibited the expression of CEACAM1 and subsequently blocked the PI3K/AKT signaling pathway. In conclusion, NLRC5 promotes the malignant biological behaviors of NSCLC cells by activating the PI3K/AKT signaling pathway via the regulation of CEACAM1 expression under normoxia and hypoxia.
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Affiliation(s)
- Yu Dong
- Department of Respiratory and Critical Care Medicine, Xi'an Central Hospital, Xi'an, P.R. China
| | - Tao Xu
- Department of Thoracic Surgery, Xi'an Central Hospital, Xi'an, P.R. China
| | - Dongfan Li
- Department of Respiratory and Critical Care Medicine, Xi'an Central Hospital, Xi'an, P.R. China
| | - Hua Guo
- Department of Respiratory and Critical Care Medicine, Xi'an Central Hospital, Xi'an, P.R. China
| | - Xusheng Du
- Department of Respiratory and Critical Care Medicine, Xi'an Central Hospital, Xi'an, P.R. China
| | - Guangshun Li
- Department of Thoracic Surgery, Xi'an Central Hospital, Xi'an, P.R. China
| | - Jiakuan Chen
- Department of Thoracic Surgery, Air Force Military Medical University Tangdu Hospital, Xi'an, P.R. China
| | - Bo Wang
- Department of Respiratory and Critical Care Medicine, Xi'an Central Hospital, Xi'an, P.R. China
| | - Peng Wang
- Department of Respiratory and Critical Care Medicine, Xi'an Central Hospital, Xi'an, P.R. China
| | - Gang Yu
- Department of Respiratory and Critical Care Medicine, Xi'an Central Hospital, Xi'an, P.R. China
| | - Xuan Zhao
- Department of Respiratory and Critical Care Medicine, Xi'an Central Hospital, Xi'an, P.R. China
| | - Ruiqi Xue
- Department of Respiratory and Critical Care Medicine, Xi'an Central Hospital, Xi'an, P.R. China
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