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Liu M, Gu L, Zhang Y, Li Y, Zhang L, Xin Y, Wang Y, Xu ZX. LKB1 inhibits telomerase activity resulting in cellular senescence through histone lactylation in lung adenocarcinoma. Cancer Lett 2024; 595:217025. [PMID: 38844063 DOI: 10.1016/j.canlet.2024.217025] [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: 12/22/2023] [Revised: 05/15/2024] [Accepted: 06/02/2024] [Indexed: 06/10/2024]
Abstract
Despite the confirmed role of LKB1 in suppressing lung cancer progression, its precise effect on cellular senescence is unknown. The aim of this research was to clarify the role and mechanism of LKB1 in restraining telomerase activity in lung adenocarcinoma. The results showed that LKB1 induced cellular senescence and apoptosis either in vitro or in vivo. Overexpression of LKB1 in LKB1-deficient A549 cells led to the inhibition of telomerase activity and the induction of telomere dysfunction by regulating telomerase reverse transcriptase (TERT) expression in terms of transcription. As a transcription factor, Sp1 mediated TERT inhibition after LKB1 overexpression. LKB1 induced lactate production and inhibited histone H4 (Lys8) and H4 (Lys16) lactylation, which further altered Sp1-related transcriptional activity. The telomerase inhibitor BIBR1532 was beneficial for achieving the optimum curative effect of traditional chemotherapeutic drugs accompanied by the glycolysis inhibitor 2DG. These data reveal a new mechanism by which LKB1 regulates telomerase activity through lactylation-dependent transcriptional inhibition, and therefore, provide new insights into the effects of LKB1-mediated senescence in lung adenocarcinoma. Our research has opened up new possibilities for the creation of new cancer treatments.
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Affiliation(s)
- Mingdi Liu
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, Jilin, China
| | - Liting Gu
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, Jilin, China
| | - Yuning Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, Jilin, China
| | - Yunkuo Li
- Department of Urology, the First Hospital of Jilin University, Changchun, 130021, Jilin, China
| | - Lihong Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, Jilin, China
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, Jilin, China.
| | - Yishu Wang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, Jilin, China.
| | - Zhi-Xiang Xu
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, Jilin, China.
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2
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Wei X, Liu Q, Liu L, Wang D, Liu J, Zhu Q, Xu Z, Chen Q, Xu W. Discovery of the Natural Bibenzyl Compound Erianin in Dendrobium Inhibiting the Growth and EMT of Gastric Cancer through Downregulating the LKB1-SIK2/3-PARD3 Pathway. Int J Mol Sci 2024; 25:7973. [PMID: 39063214 PMCID: PMC11277420 DOI: 10.3390/ijms25147973] [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: 05/26/2024] [Revised: 07/11/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Erianin, a bibenzyl compound found in dendrobium extract, has demonstrated broad anticancer activity. However, its mechanism of action in gastric cancer (GC) remains poorly understood. LKB1 is a tumor-suppressor gene, and its mutation is an important driver of various cancers. Yet some studies have reported contradictory findings. In this study, we combined bioinformatics and in vitro and in vivo experiments to investigate the effect and potential mechanism of Erianin in the treatment of GC. The results show that LKB1 was highly expressed in patients' tumor tissues and GC cells, and it was associated with poor patient prognosis. Erianin could promote GC cell apoptosis and inhibit the scratch repair, migration, invasion, and epithelial-mesenchymal transition (EMT) characteristics. Erianin dose-dependently inhibited the expression of LKB1, SIK2, SIK3, and PARD3 but had no significant effect on SIK1. Erianin also inhibited tumor growth in CDX mice model. Unexpectedly, 5-FU also exhibited a certain inhibitory effect on LKB1. The combination of Erianin and 5-FU significantly improved the anti-tumor efficacy of 5-FU in the growth of GC cells and xenograft mouse models. In summary, Erianin is a potential anti-GC compound that can inhibit GC growth and EMT properties by targeting the LKB1-SIK2/3-PARD3-signaling axis. The synergistic effect of Erianin and 5-FU suggests a promising therapeutic strategy for GC treatment.
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Affiliation(s)
- Xin Wei
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; (X.W.); (Q.Z.); (Q.C.)
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; (Q.L.); (L.L.); (D.W.); (J.L.); (Z.X.)
| | - Qunshan Liu
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; (Q.L.); (L.L.); (D.W.); (J.L.); (Z.X.)
| | - Liu Liu
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; (Q.L.); (L.L.); (D.W.); (J.L.); (Z.X.)
| | - Dan Wang
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; (Q.L.); (L.L.); (D.W.); (J.L.); (Z.X.)
| | - Jiajia Liu
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; (Q.L.); (L.L.); (D.W.); (J.L.); (Z.X.)
| | - Qizhi Zhu
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; (X.W.); (Q.Z.); (Q.C.)
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; (Q.L.); (L.L.); (D.W.); (J.L.); (Z.X.)
| | - Ziming Xu
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; (Q.L.); (L.L.); (D.W.); (J.L.); (Z.X.)
| | - Qi Chen
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; (X.W.); (Q.Z.); (Q.C.)
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; (Q.L.); (L.L.); (D.W.); (J.L.); (Z.X.)
| | - Weiping Xu
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; (X.W.); (Q.Z.); (Q.C.)
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; (Q.L.); (L.L.); (D.W.); (J.L.); (Z.X.)
- Anhui Provincial Key Laboratory of Tumor Immunotherapy and Nutrition Therapy, Hefei 230001, China
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3
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Nemeth DV, Iannelli L, Gangitano E, D’Andrea V, Bellini MI. Energy Metabolism and Metformin: Effects on Ischemia-Reperfusion Injury in Kidney Transplantation. Biomedicines 2024; 12:1534. [PMID: 39062107 PMCID: PMC11275143 DOI: 10.3390/biomedicines12071534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 07/03/2024] [Accepted: 07/09/2024] [Indexed: 07/28/2024] Open
Abstract
Metformin (MTF) is the only biguanide included in the World Health Organization's list of essential medicines; representing a widespread drug in the management of diabetes mellitus. With its accessibility and affordability being one of its biggest assets, it has become the target of interest for many trying to find alternative treatments for varied pathologies. Over time, an increasing body of evidence has shown additional roles of MTF, with unexpected interactions of benefit in other diseases. Metformin (MTF) holds significant promise in mitigating ischemia-reperfusion injury (IRI), particularly in the realm of organ transplantation. As acceptance criteria for organ transplants expand, IRI during the preservation phase remain a major concern within the transplant community, prompting a keen interest in MTF's effects. Emerging evidence suggests that administering MTF during reperfusion may activate the reperfusion injury salvage kinase (RISK) pathway. This pathway is pivotal in alleviating IRI in transplant recipients, potentially leading to improved outcomes such as reduced rates of organ rejection. This review aims to contextualize MTF historically, explore its current uses, pharmacokinetics, and pharmacodynamics, and link these aspects to the pathophysiology of IRI to illuminate its potential future role in transplantation. A comprehensive survey of the current literature highlights MTF's potential to recondition and protect against IRI by attenuating free radical damage, activating AMP-activated protein kinase to preserve cellular energy and promote repair, as well as directly reducing inflammation and enhancing microcirculation.
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Affiliation(s)
- Denise V. Nemeth
- School of Osteopathic Medicine, University of the Incarnate Word, San Antonio, TX 78235, USA
| | - Leonardo Iannelli
- Department of Surgery, Sapienza University of Rome, 00161 Rome, Italy
| | - Elena Gangitano
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy
| | - Vito D’Andrea
- Department of Surgery, Sapienza University of Rome, 00161 Rome, Italy
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Xie Q, Zeng Y, Zhang X, Yu F. The significance of lipid metabolism reprogramming of tumor-associated macrophages in hepatocellular carcinoma. Cancer Immunol Immunother 2024; 73:171. [PMID: 38954021 PMCID: PMC11220057 DOI: 10.1007/s00262-024-03748-9] [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: 02/15/2024] [Accepted: 05/28/2024] [Indexed: 07/04/2024]
Abstract
In the intricate landscape of the tumor microenvironment, tumor-associated macrophages (TAMs) emerge as a ubiquitous cellular component that profoundly affects the oncogenic process. The microenvironment of hepatocellular carcinoma (HCC) is characterized by a pronounced infiltration of TAMs, underscoring their pivotal role in modulating the trajectory of the disease. Amidst the evolving therapeutic paradigms for HCC, the strategic reprogramming of metabolic pathways presents a promising avenue for intervention, garnering escalating interest within the scientific community. Previous investigations have predominantly focused on elucidating the mechanisms of metabolic reprogramming in cancer cells without paying sufficient attention to understanding how TAM metabolic reprogramming, particularly lipid metabolism, affects the progression of HCC. In this review article, we intend to elucidate how TAMs exert their regulatory effects via diverse pathways such as E2F1-E2F2-CPT2, LKB1-AMPK, and mTORC1-SREBP, and discuss correlations of TAMs with these processes and the characteristics of relevant pathways in HCC progression by consolidating various studies on TAM lipid uptake, storage, synthesis, and catabolism. It is our hope that our summary could delineate the impact of specific mechanisms underlying TAM lipid metabolic reprogramming on HCC progression and provide useful information for future research on HCC and the development of new treatment strategies.
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Affiliation(s)
- Qingjian Xie
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yuan Zeng
- Department of Gastroenterology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiangting Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Fujun Yu
- Department of Gastroenterology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Gasparrini M, Giovannuzzi S, Nocentini A, Raffaelli N, Supuran CT. Inhibition of nicotinamide phosphoribosyltransferase (NAMPT) in cancer: a patent review. Expert Opin Ther Pat 2024; 34:565-582. [PMID: 38861278 DOI: 10.1080/13543776.2024.2367006] [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: 03/13/2024] [Accepted: 06/07/2024] [Indexed: 06/12/2024]
Abstract
INTRODUCTION Nicotinamide phosphoribosyltransferase (NAMPT) is the rate-limiting enzyme in the biosynthesis of nicotinamide adenine dinucleotide (NAD) from nicotinamide. In addition to its role as essential redox cofactor, NAD also functions as a substrate for NAD-consuming enzymes, regulating multiple cellular processes such as DNA repair and gene expression, fundamental to sustain energetic needs for tumor growth. In this sense, NAMPT over-expression represents a common strategy that several tumor types adopt to sustain NAD production. In addition to its enzymatic role, NAMPT behaves as cytokine-like protein with pro-inflammatory function. Increasing evidence demonstrated that NAMPT inhibition represents a promising anti-cancer strategy to deplete NAD and impair cellular metabolism in cancer conditions. AREAS COVERED By using Espacenet, we collected the patents which identified new molecules, compounds, formulations and methods able to inhibit NAMPT from 2007 to date. EXPERT OPINION Most of the collected patents focused the attention on the ability of different compounds to inhibit the enzymatic activity of NAMPT, lacking other important aspects related to the extracellular role of NAMPT and the ability of alternative enzymes to counteract NAMPT-mediated NAD depletion. It is necessary to consider also these aspects to promote novel strategies and create novel inhibitors and molecules useful as anti-cancer compounds.
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Affiliation(s)
- Massimiliano Gasparrini
- Department of Agriculture, Food and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Simone Giovannuzzi
- NEUROFARBA Department, Pharmaceutical Chemistry Section, University of Florence, Sesto Fiorentino, Florence, Italy
| | - Alessio Nocentini
- NEUROFARBA Department, Pharmaceutical Chemistry Section, University of Florence, Sesto Fiorentino, Florence, Italy
| | - Nadia Raffaelli
- Department of Agriculture, Food and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Claudiu T Supuran
- NEUROFARBA Department, Pharmaceutical Chemistry Section, University of Florence, Sesto Fiorentino, Florence, Italy
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Wu X, Zhang Z, Qiu Z, Wu X, Chen J, Liu L, Liu X, Zhao S, Yang Y, Zhao Y. TNIK in disease: from molecular insights to therapeutic prospects. Apoptosis 2024:10.1007/s10495-024-01987-w. [PMID: 38853204 DOI: 10.1007/s10495-024-01987-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2024] [Indexed: 06/11/2024]
Abstract
TRAF2 and NCK interacting kinase (TNIK), a critical interacting protein kinase, is currently receiving wide attention. TNIK is found in various human body organs and tissues and participates in cell motility, proliferation, and differentiation. On the one hand, its aberrant expression is related to the onset and progression of numerous malignant tumors. On the other hand, TNIK is important in neuronal growth, proliferation, differentiation, and synaptic formation. Thus, the novel therapeutic strategies for targeting TNIK offer a promising direction for cancer, neurological or psychotic disorders. Here, we briefly summarized the biological information of TNIK, reviewed the role and regulatory mechanism in cancer and neuropsychiatric diseases, and introduced the research progress of inhibitors targeting TNIK. Taken together, this review hopes to contribute to the in-depth understanding of the function and regulatory mechanism of TNIK, which is of great significance for revealing the role of TNIK in the occurrence and treatment of diseases.
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Affiliation(s)
- Xue Wu
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
| | - Zhe Zhang
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
- Department of Cardiology, Faculty of Life Sciences and Medicine, Northwest University First Hospital, Northwest University, Xi'an, 710069, China
| | - Zhenye Qiu
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
- Department of Cardiology, Faculty of Life Sciences and Medicine, Northwest University First Hospital, Northwest University, Xi'an, 710069, China
| | - Xiaopeng Wu
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
- Department of Cardiology, Faculty of Life Sciences and Medicine, Northwest University First Hospital, Northwest University, Xi'an, 710069, China
| | - Junmin Chen
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
- Department of Cardiology, Faculty of Life Sciences and Medicine, Northwest University First Hospital, Northwest University, Xi'an, 710069, China
| | - Lu Liu
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
- Department of Cardiology, Faculty of Life Sciences and Medicine, Northwest University First Hospital, Northwest University, Xi'an, 710069, China
| | - Xiaoyi Liu
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
- Department of Cardiology, Faculty of Life Sciences and Medicine, Northwest University First Hospital, Northwest University, Xi'an, 710069, China
| | - Shiyan Zhao
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China
- Department of Cardiology, Faculty of Life Sciences and Medicine, Northwest University First Hospital, Northwest University, Xi'an, 710069, China
| | - Yang Yang
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China.
- Department of Cardiology, Faculty of Life Sciences and Medicine, Northwest University First Hospital, Northwest University, Xi'an, 710069, China.
| | - Ye Zhao
- Xi'an Key Laboratory of Innovative Drug Research for Heart Failure, Faculty of Life Sciences and Medicine, Northwest University, 229 Taibai North Road, Xi'an, 710069, China.
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Trelford CB, Shepherd TG. LKB1 biology: assessing the therapeutic relevancy of LKB1 inhibitors. Cell Commun Signal 2024; 22:310. [PMID: 38844908 PMCID: PMC11155146 DOI: 10.1186/s12964-024-01689-5] [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: 03/22/2024] [Accepted: 05/28/2024] [Indexed: 06/10/2024] Open
Abstract
Liver Kinase B1 (LKB1), encoded by Serine-Threonine Kinase 11 (STK11), is a master kinase that regulates cell migration, polarity, proliferation, and metabolism through downstream adenosine monophosphate-activated protein kinase (AMPK) and AMPK-related kinase signalling. Since genetic screens identified STK11 mutations in Peutz-Jeghers Syndrome, STK11 mutants have been implicated in tumourigenesis labelling it as a tumour suppressor. In support of this, several compounds reduce tumour burden through upregulating LKB1 signalling, and LKB1-AMPK agonists are cytotoxic to tumour cells. However, in certain contexts, its role in cancer is paradoxical as LKB1 promotes tumour cell survival by mediating resistance against metabolic and oxidative stressors. LKB1 deficiency has also enhanced the selectivity and cytotoxicity of several cancer therapies. Taken together, there is a need to develop LKB1-specific pharmacological compounds, but prior to developing LKB1 inhibitors, further work is needed to understand LKB1 activity and regulation. However, investigating LKB1 activity is strenuous as cell/tissue type, mutations to the LKB1 signalling pathway, STE-20-related kinase adaptor protein (STRAD) binding, Mouse protein 25-STRAD binding, splicing variants, nucleocytoplasmic shuttling, post-translational modifications, and kinase conformation impact the functional status of LKB1. For these reasons, guidelines to standardize experimental strategies to study LKB1 activity, associate proteins, spliced isoforms, post-translational modifications, and regulation are of upmost importance to the development of LKB1-specific therapies. Therefore, to assess the therapeutic relevancy of LKB1 inhibitors, this review summarizes the importance of LKB1 in cell physiology, highlights contributors to LKB1 activation, and outlines the benefits and risks associated with targeting LKB1.
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Affiliation(s)
- Charles B Trelford
- The Mary &, John Knight Translational Ovarian Cancer Research Unit, London Regional Cancer Program, 790 Commissioners Road East, Room A4‑921, London, ON, N6A 4L6, Canada.
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.
| | - Trevor G Shepherd
- The Mary &, John Knight Translational Ovarian Cancer Research Unit, London Regional Cancer Program, 790 Commissioners Road East, Room A4‑921, London, ON, N6A 4L6, Canada
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- Department of Oncology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
- Department of Obstetrics and Gynaecology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
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Zhao S, Zhang P, Niu S, Xie J, Liu Y, Liu Y, Zhao N, Cheng C, Lu P. Targeting nucleotide metabolic pathways in colorectal cancer by integrating scRNA-seq, spatial transcriptome, and bulk RNA-seq data. Funct Integr Genomics 2024; 24:72. [PMID: 38594466 PMCID: PMC11004054 DOI: 10.1007/s10142-024-01356-5] [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: 02/21/2024] [Revised: 03/21/2024] [Accepted: 04/02/2024] [Indexed: 04/11/2024]
Abstract
BACKGROUND Colorectal cancer is a malignant tumor of the digestive system originating from abnormal cell proliferation in the colon or rectum, often leading to gastrointestinal symptoms and severe health issues. Nucleotide metabolism, which encompasses the synthesis of DNA and RNA, is a pivotal cellular biochemical process that significantly impacts both the progression and therapeutic strategies of colorectal cancer METHODS: For single-cell RNA sequencing (scRNA-seq), five functions were employed to calculate scores related to nucleotide metabolism. Cell developmental trajectory analysis and intercellular interaction analysis were utilized to explore the metabolic characteristics and communication patterns of different epithelial cells. These findings were further validated using spatial transcriptome RNA sequencing (stRNA-seq). A risk model was constructed using expression profile data from TCGA and GEO cohorts to optimize clinical decision-making. Key nucleotide metabolism-related genes (NMRGs) were functionally validated by further in vitro experiments. RESULTS In both scRNA-seq and stRNA-seq, colorectal cancer (CRC) exhibited unique cellular heterogeneity, with myeloid cells and epithelial cells in tumor samples displaying higher nucleotide metabolism scores. Analysis of intercellular communication revealed enhanced signaling pathways and ligand-receptor interactions between epithelial cells with high nucleotide metabolism and fibroblasts. Spatial transcriptome sequencing confirmed elevated nucleotide metabolism states in the core region of tumor tissue. After identifying differentially expressed NMRGs in epithelial cells, a risk prognostic model based on four genes effectively predicted overall survival and immunotherapy outcomes in patients. High-risk group patients exhibited an immunosuppressive microenvironment and relatively poorer prognosis and responses to chemotherapy and immunotherapy. Finally, based on data analysis and a series of cellular functional experiments, ACOX1 and CPT2 were identified as novel therapeutic targets for CRC. CONCLUSION In this study, a comprehensive analysis of NMRGs in CRC was conducted using a combination of single-cell sequencing, spatial transcriptome sequencing, and high-throughput data. The prognostic model constructed with NMRGs shows potential as a standalone prognostic marker for colorectal cancer patients and may significantly influence the development of personalized treatment approaches for CRC.
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Affiliation(s)
- Songyun Zhao
- Wuxi Medical Center of Nanjing Medical University, Wuxi, China
- Department of Neurosurgery, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, China
| | - Pengpeng Zhang
- Department of Lung Cancer Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Sen Niu
- Wuxi Medical Center of Nanjing Medical University, Wuxi, China
- Department of General Surgery, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, China
| | - Jiaheng Xie
- Department of Plastic Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Yuankun Liu
- Wuxi Medical Center of Nanjing Medical University, Wuxi, China
- Department of Neurosurgery, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, China
| | - Yuan Liu
- Wuxi Medical Center of Nanjing Medical University, Wuxi, China
- Department of General Surgery, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, China
| | - Ning Zhao
- Wuxi Medical Center of Nanjing Medical University, Wuxi, China
| | - Chao Cheng
- Wuxi Medical Center of Nanjing Medical University, Wuxi, China.
- Department of Neurosurgery, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, China.
| | - Peihua Lu
- Wuxi Medical Center of Nanjing Medical University, Wuxi, China.
- Department of Clinical Research Center, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, China.
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Zhang S, Yun D, Yang H, Eckstein M, Elbait GD, Zhou Y, Lu Y, Yang H, Zhang J, Dörflein I, Britzen-Laurent N, Pfeffer S, Stemmler MP, Dahl A, Mukhopadhyay D, Chang D, He H, Zeng S, Lan B, Frey B, Hampel C, Lentsch E, Gollavilli PN, Büttner C, Ekici AB, Biankin A, Schneider-Stock R, Ceppi P, Grützmann R, Pilarsky C. Roflumilast inhibits tumor growth and migration in STK11/LKB1 deficient pancreatic cancer. Cell Death Discov 2024; 10:124. [PMID: 38461159 PMCID: PMC10924943 DOI: 10.1038/s41420-024-01890-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 03/11/2024] Open
Abstract
Pancreatic cancer is a malignant tumor of the digestive system. It is highly aggressive, easily metastasizes, and extremely difficult to treat. This study aimed to analyze the genes that might regulate pancreatic cancer migration to provide an essential basis for the prognostic assessment of pancreatic cancer and individualized treatment. A CRISPR knockout library directed against 915 murine genes was transfected into TB 32047 cell line to screen which gene loss promoted cell migration. Next-generation sequencing and PinAPL.py- analysis was performed to identify candidate genes. We then assessed the effect of serine/threonine kinase 11 (STK11) knockout on pancreatic cancer by wound-healing assay, chick agnosia (CAM) assay, and orthotopic mouse pancreatic cancer model. We performed RNA sequence and Western blotting for mechanistic studies to identify and verify the pathways. After accelerated Transwell migration screening, STK11 was identified as one of the top candidate genes. Further experiments showed that targeted knockout of STK11 promoted the cell migration and increased liver metastasis in mice. Mechanistic analyses revealed that STK11 knockout influences blood vessel morphogenesis and is closely associated with the enhanced expression of phosphodiesterases (PDEs), especially PDE4D, PDE4B, and PDE10A. PDE4 inhibitor Roflumilast inhibited STK11-KO cell migration and tumor size, further demonstrating that PDEs are essential for STK11-deficient cell migration. Our findings support the adoption of therapeutic strategies, including Roflumilast, for patients with STK11-mutated pancreatic cancer in order to improve treatment efficacy and ultimately prolong survival.
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Affiliation(s)
- Shuman Zhang
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Duo Yun
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Hao Yang
- Experimental Tumor pathology, Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Markus Eckstein
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Gihan Daw Elbait
- Department of Biology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Yaxing Zhou
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Yanxi Lu
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Hai Yang
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Jinping Zhang
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Isabella Dörflein
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Nathalie Britzen-Laurent
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Susanne Pfeffer
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Marc P Stemmler
- Department of Experimental Medicine 1, Nikolaus-Fiebiger Center for Molecular Medicine, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Andreas Dahl
- DRESDEN-concept Genome Center a DFG NGS Competence Center; TU Dresden, 01307, Dresden, Germany
| | - Debabrata Mukhopadhyay
- Departments of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine and Science, Jacksonville, USA
| | - David Chang
- Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, Scotland, UK
- West of Scotland Pancreatic Unit, Glasgow Royal Infirmary, Glasgow, UK
| | - Hang He
- Department of Pancreatic Surgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, 200040, China
| | - Siyuan Zeng
- Department of Breast and Thyroid Surgery, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Bin Lan
- Department of Interventional Radiology and Vascular Surgery, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, 410002, China
| | - Benjamin Frey
- Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Chuanpit Hampel
- Experimental Tumor pathology, Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Eva Lentsch
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Paradesi Naidu Gollavilli
- Department of Biochemistry and Molecular Biology (BMB), University of Southern Denmark, Odense, Denmark
| | - Christian Büttner
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Arif B Ekici
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Andrew Biankin
- Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, Scotland, UK
- West of Scotland Pancreatic Unit, Glasgow Royal Infirmary, Glasgow, UK
| | - Regine Schneider-Stock
- Experimental Tumor pathology, Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Paolo Ceppi
- Department of Biochemistry and Molecular Biology (BMB), University of Southern Denmark, Odense, Denmark
| | - Robert Grützmann
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Christian Pilarsky
- Department of Surgery, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.
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Kou B, Shi Y, Zhou Z, Yun Y, Wu Q, Zhou J, Liu W. Oridonin inhibited epithelial-mesenchymal transition of laryngeal carcinoma by positively regulating LKB1/AMPK signaling. Int J Med Sci 2024; 21:623-632. [PMID: 38464825 PMCID: PMC10920846 DOI: 10.7150/ijms.92182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 01/06/2024] [Indexed: 03/12/2024] Open
Abstract
Oridonin is the main bioactive component of Rabdosia rubescens, and its anticancer activity has been reported in a variety of cancers. However, the molecular mechanism of oridonin in laryngeal carcinoma remains unclear. In the present study, the cytotoxic effect of oridonin on laryngeal carcinoma Hep-2 and TU212 cell lines were initially detected by modified MTT assay. The results showed that oridonin had a dose-dependent anti-proliferative effect on laryngeal carcinoma Hep-2 and TU212 cells. Next, we found that oridonin significantly inhibited the migration and invasion of human laryngeal carcinoma Hep-2 and TU212 cell lines by wound healing assay and transwell assay. Subsequently, the results of quantitative real-time PCR assay and western blotting assay confirmed that oridonin upregulated the expression of E-cadherin while downregulated the expression of N-cadherin in a concentration-dependent manner at mRNA and protein levels. In addition, phosphorylation levels of liver kinase B1 (p-LKB1) and AMP-activated protein kinase (p-AMPK) were also elevated upon oridonin treatment. To further verify the role of LKB1/AMPK signaling pathway in laryngeal carcinoma, overexpression of LKB1 was constructed by plasmid transfection. The data exhibited that overexpression of LKB1 could further reinforce the increase of E-cadherin level and decrease of N-cadherin level mediated by oridonin. Additionally, AMPK inhibitor compound C could reverse anti-metastatic effect of oridonin on laryngeal carcinoma, and antagonise EMT expression. In contrast, AMPK activator AICAR presented the opposite effect. In conclusion, our study revealed that oridonin could remarkably reverse the epithelial-mesenchymal transition of laryngeal carcinoma by positively regulating LKB1/AMPK signaling pathway, which suggested that oridonin may be a potential candidate for the treatment of laryngeal carcinoma in the future.
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Affiliation(s)
- Bo Kou
- Department of Otorhinolaryngology-Head&Neck Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Yuhan Shi
- Department of Otorhinolaryngology-Head&Neck Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Department of Legal Affairs, Shaanxi Provincial People's Hospital, Xi 'an 710054, China
| | - Zhaoyue Zhou
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education of China, Xi'an, Shaanxi 710061, China
| | - Yanning Yun
- Department of Otorhinolaryngology-Head&Neck Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Qun Wu
- Department of Otorhinolaryngology-Head&Neck Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Jinsong Zhou
- Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education of China, Xi'an, Shaanxi 710061, China
| | - Wei Liu
- Department of Vascular Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
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11
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Liu Y, Xu YJ. LKB1 and CRMP1 cooperatively promote the repair of the sciatic nerve injury. Dev Neurobiol 2024; 84:18-31. [PMID: 38105470 DOI: 10.1002/dneu.22932] [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: 04/23/2023] [Revised: 09/11/2023] [Accepted: 12/05/2023] [Indexed: 12/19/2023]
Abstract
After peripheral nervous system injury, Schwann cells (SCs) can repair axons by providing a growth-promoting microenvironment. The aim of this study is to explore the effects and mechanisms of LKB1 and CRMP1 on the repair of sciatic nerve injury (SNI). The expressions of LKB1 and CRMP1 were changed in rats with SNI from 12 h to 4 weeks by hematoxylin-eosin staining, RT-PCR assay, immunohistochemical staining, and western blotting. Immunofluorescence results show that LKB1 and CRMP1 are co-localized in the regenerated axons of the sciatic nerve tissue of SNI rats. Co-immunoprecipitation indicates that LKB1 interacts with CRMP1. LKB1 interference suppresses the phosphorylation level of CRMP1. Overexpression of LKB1 and CRMP1 promotes the invasion and migration of SCs, and nerve cell protuberance extends. The structure of the myelin sheath in the sciatic nerve of the model group was found to be loose and disordered. Rats in the model group had higher pain thresholds and heat sensitivity response times than those in the control group. Nerve conduction velocity, the latency of action potential, and the peak value of compound muscle action potential in the SNI group were significantly lower than those in the control group, and the muscle atrophy was severe. Overexpression of LKB1 may significantly improve the above conditions. However, the function of LKB1 to improve SNI is abolished by the interference of CRMP1. In summary, the interaction between LKB1 and CRMP promotes the migration and differentiation of SCs and the extension of neurons, thereby improving the repair of nerve injury.
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Affiliation(s)
- Yang Liu
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Department of Orthopaedics, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - You-Jia Xu
- Department of Orthopaedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Department of Orthopaedics, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
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12
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Shunxi W, Xiaoxue Y, Guanbin S, Li Y, Junyu J, Wanqian L. Serine Metabolic Reprogramming in Tumorigenesis, Tumor Immunity, and Clinical Treatment. Adv Nutr 2023; 14:1050-1066. [PMID: 37187454 PMCID: PMC10509429 DOI: 10.1016/j.advnut.2023.05.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 05/04/2023] [Accepted: 05/11/2023] [Indexed: 05/17/2023] Open
Abstract
Serine has been recently identified as an essential metabolite for oncogenesis, progression, and adaptive immunity. Influenced by many physiologic or tumor environmental factors, the metabolic pathways of serine synthesis, uptake, and usage are heterogeneously reprogrammed and frequently amplified in tumor or tumor-associated cells. The hyperactivation of serine metabolism promotes abnormal cellular nucleotide/protein/lipid synthesis, mitochondrial function, and epigenetic modifications, which drive malignant transformation, unlimited proliferation, metastasis, immunosuppression, and drug resistance of tumor cells. Dietary restriction of serine or phosphoglycerate dehydrogenase depletion mitigates tumor growth and extends the survival of tumor patients. Correspondingly, these findings triggered a boom in the development of novel therapeutic agents targeting serine metabolism. In this study, recent discoveries in the underlying mechanism and cellular function of serine metabolic reprogramming are summarized. The vital role of serine metabolism in oncogenesis, tumor stemness, tumor immunity, and therapeutic resistance is outlined. Finally, some potential tumor therapeutic concepts, strategies, and limitations of targeting the serine metabolic pathway are described in detail. Taken together, this review underscores the importance of serine metabolic reprogramming in tumorigenesis and progression and highlights new opportunities for dietary restriction or selective pharmacologic intervention.
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Affiliation(s)
- Wang Shunxi
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Yuan Xiaoxue
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Song Guanbin
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Yang Li
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Jin Junyu
- Department of Oncology, Chenjiaqiao Hospital, Shapingba, Chongqing, China.
| | - Liu Wanqian
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China.
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13
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Liu B, Meng Q, Gao X, Sun H, Xu Z, Wang Y, Zhou H. Lipid and glucose metabolism in senescence. Front Nutr 2023; 10:1157352. [PMID: 37680899 PMCID: PMC10481967 DOI: 10.3389/fnut.2023.1157352] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 08/09/2023] [Indexed: 09/09/2023] Open
Abstract
Senescence is an inevitable biological process. Disturbances in glucose and lipid metabolism are essential features of cellular senescence. Given the important roles of these types of metabolism, we review the evidence for how key metabolic enzymes influence senescence and how senescence-related secretory phenotypes, autophagy, apoptosis, insulin signaling pathways, and environmental factors modulate glucose and lipid homeostasis. We also discuss the metabolic alterations in abnormal senescence diseases and anti-cancer therapies that target senescence through metabolic interventions. Our work offers insights for developing pharmacological strategies to combat senescence and cancer.
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Affiliation(s)
- Bin Liu
- Department of Urology II, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Qingfei Meng
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Xin Gao
- Department of Urology II, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Huihui Sun
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Zhixiang Xu
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Yishu Wang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Honglan Zhou
- Department of Urology II, The First Hospital of Jilin University, Changchun, Jilin, China
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14
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Yan J, Xu F, Zhou D, Zhang S, Zhang B, Meng Q, Lv Q. Metabolic reprogramming of three major nutrients in platinum-resistant ovarian cancer. Front Oncol 2023; 13:1231460. [PMID: 37681030 PMCID: PMC10482409 DOI: 10.3389/fonc.2023.1231460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/08/2023] [Indexed: 09/09/2023] Open
Abstract
Metabolic reprogramming is a phenomenon in which cancer cells alter their metabolic pathways to support their uncontrolled growth and survival. Platinum-based chemotherapy resistance is associated with changes in glucose metabolism, amino acid metabolism, fatty acid metabolism, and tricarboxylic acid cycle. These changes lead to the creation of metabolic intermediates that can provide precursors for the biosynthesis of cellular components and help maintain cellular energy homeostasis. This article reviews the research progress of the metabolic reprogramming mechanism of platinumbased chemotherapy resistance caused by three major nutrients in ovarian cancer.
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Affiliation(s)
- Jinbowen Yan
- Department of Obstetrics and Gynecology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Fangzhi Xu
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital, National Center of Gerontology of National Health Commission, Beijing, China
| | - Dan Zhou
- Department of Obstetrics and Gynecology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Shuo Zhang
- Department of Obstetrics and Gynecology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Bo Zhang
- Department of Obstetrics and Gynecology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Qingwei Meng
- Department of Obstetrics and Gynecology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Qiubo Lv
- Department of Obstetrics and Gynecology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
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15
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Deng Q, Li H, Yue X, Guo C, Sun Y, Ma C, Gao J, Wu Y, Du B, Yang J, Zhang C, Zhang W. Smooth muscle liver kinase B1 inhibits foam cell formation and atherosclerosis via direct phosphorylation and activation of SIRT6. Cell Death Dis 2023; 14:542. [PMID: 37607939 PMCID: PMC10444762 DOI: 10.1038/s41419-023-06054-x] [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: 05/25/2023] [Revised: 08/01/2023] [Accepted: 08/08/2023] [Indexed: 08/24/2023]
Abstract
Foam cell formation is a hallmark of the early phase of atherosclerosis. Growing evidence has demonstrated that vascular smooth muscle cells (VSMCs) comprise a considerable proportion of foam cells. Liver kinase B1 (LKB1) plays a crucial part in cardiovascular diseases. However, the role of LKB1 in VSMC-derived foam cell formation and atherosclerosis remains unclear. To explore the effects of LKB1 on VSMC-derived foam cell formation and atherosclerosis, we generated smooth muscle-specific LKB1 knockout (LKB1SMKO) mice by crossbreeding LKB1flox/flox mice with SM22α-CreERT2 mice. LKB1 expression decreased in plaque-loaded aortas and oxidized low-density lipoprotein (oxLDL)-treated VSMCs. Compared with controls, atherosclerosis development was exacerbated in LKB1SMKO mice via the promotion of VSMC-derived foam cell formation. Conversely, LKB1 overexpression inhibited lipid uptake and foam cell formation in VSMCs. Mechanistically, LKB1 binds to SIRT6 and directly phosphorylates and activates it, thereby reducing lectin-like oxLDL receptor-1 (LOX-1) via SIRT6-dependent histone deacetylation. Finally, adeno-associated virus (AAV)-mediated LOX-1 deficiency in smooth muscle ameliorated atherosclerosis in LKB1SMKO mice. Our findings suggest that LKB1 may modulate VSMC-derived foam cell formation and atherosclerosis via the phosphorylation and activation of SIRT6.
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Affiliation(s)
- Qiming Deng
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Hongxuan Li
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China.
| | - Xiaolin Yue
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Chenghu Guo
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Yuanyuan Sun
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Chang Ma
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Jiangang Gao
- School of Life Science and Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong University, Jinan, China
| | - Yue Wu
- Department of Cardiology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Bin Du
- Department of Cardiology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jianmin Yang
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China
| | - Cheng Zhang
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China.
| | - Wencheng Zhang
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences; Department of Cardiology, Qilu Hospital of Shandong University, Jinan, China.
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16
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Troise D, Infante B, Mercuri S, Netti GS, Ranieri E, Gesualdo L, Stallone G, Pontrelli P. Hypoxic State of Cells and Immunosenescence: A Focus on the Role of the HIF Signaling Pathway. Biomedicines 2023; 11:2163. [PMID: 37626660 PMCID: PMC10452839 DOI: 10.3390/biomedicines11082163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/20/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023] Open
Abstract
Hypoxia activates hypoxia-related signaling pathways controlled by hypoxia-inducible factors (HIFs). HIFs represent a quick and effective detection system involved in the cellular response to insufficient oxygen concentration. Activation of HIF signaling pathways is involved in improving the oxygen supply, promoting cell survival through anaerobic ATP generation, and adapting energy metabolism to meet cell demands. Hypoxia can also contribute to the development of the aging process, leading to aging-related degenerative diseases; among these, the aging of the immune system under hypoxic conditions can play a role in many different immune-mediated diseases. Thus, in this review we aim to discuss the role of HIF signaling pathways following cellular hypoxia and their effects on the mechanisms driving immune system senescence.
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Affiliation(s)
- Dario Troise
- Nephrology, Dialysis and Transplantation Unit, Advanced Research Center on Kidney Aging (A.R.K.A.), Department of Medical and Surgical Science, University of Foggia, 71122 Foggia, Italy; (D.T.); (B.I.); (S.M.); (G.S.)
| | - Barbara Infante
- Nephrology, Dialysis and Transplantation Unit, Advanced Research Center on Kidney Aging (A.R.K.A.), Department of Medical and Surgical Science, University of Foggia, 71122 Foggia, Italy; (D.T.); (B.I.); (S.M.); (G.S.)
| | - Silvia Mercuri
- Nephrology, Dialysis and Transplantation Unit, Advanced Research Center on Kidney Aging (A.R.K.A.), Department of Medical and Surgical Science, University of Foggia, 71122 Foggia, Italy; (D.T.); (B.I.); (S.M.); (G.S.)
| | - Giuseppe Stefano Netti
- Clinical Pathology Unit, Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (G.S.N.); (E.R.)
| | - Elena Ranieri
- Clinical Pathology Unit, Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (G.S.N.); (E.R.)
| | - Loreto Gesualdo
- Nephrology, Dialysis and Transplantation Unit, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari “Aldo Moro”, Policlinico, Piazza Giulio Cesare 11, 70124 Bari, Italy;
| | - Giovanni Stallone
- Nephrology, Dialysis and Transplantation Unit, Advanced Research Center on Kidney Aging (A.R.K.A.), Department of Medical and Surgical Science, University of Foggia, 71122 Foggia, Italy; (D.T.); (B.I.); (S.M.); (G.S.)
| | - Paola Pontrelli
- Nephrology, Dialysis and Transplantation Unit, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari “Aldo Moro”, Policlinico, Piazza Giulio Cesare 11, 70124 Bari, Italy;
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17
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Zhang Q, Feng J, Liu K, Yang X, Huang Y, Tang B. STK11 mutation impacts CD1E expression to regulate the differentiation of macrophages in lung adenocarcinoma. Immun Inflamm Dis 2023; 11:e958. [PMID: 37506141 PMCID: PMC10373563 DOI: 10.1002/iid3.958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 07/06/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND The deficiency of serine/threonine protein kinase 11 (STK11), one of the most common tumor suppressor genes in non-small-cell lung cancer, is a crucial player in tumor immune microenvironment regulation. This study attempted to unveil how mutated STK11 impact the differentiation of macrophages in lung adenocarcinoma (LUAD). METHODS STK11 and CD1E expression levels in different cell models were assessed by quantitative reverse transcription polymerase chain reaction. Western blot was utilized to detect the protein expression levels of STK11, CD1E, apoptosis markers, and AMPK signaling pathway markers after transfection treatment. Cell viability and macrophage differentiation were detected by CCK-8 and flow cytometry. Immunohistochemistry and immunofluorescence were employed to detect the expression of related genes and macrophage markers, respectively. RESULTS This study found that STK11 mutations promoted the proliferation of LUAD cells and inhibited the differentiation of M1 macrophages, apoptosis, and the AMPK signaling pathway. Mutated STK11 led to CD1E downregulation, which curbed the differentiation of M1 macrophages and hence promoted LUAD progression. It was further validated by the in vivo experimental results that STK11 mutation significantly decreased the immune infiltration of M1 macrophages and promoted LUAD progression. CONCLUSION It was revealed that STK11 mutation affected CD1E expression to regulate macrophage differentiation in LUAD and then promote tumor progression. In this way, CD1E could be a potential biological target for the therapeutic interventions of STK11-mutant LUAD patients. These findings also threw new light on a new therapeutic strategy for STK11-mutant tumor patients that assisted the macrophage polarization pathway.
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Affiliation(s)
- Qingfeng Zhang
- Department of Cardio-Thoracic Surgery, Zigong Fourth People's Hospital, Zigong, China
| | - Juan Feng
- Department of Operating Room, Zigong Fourth People's Hospital, Zigong, China
| | - Kui Liu
- Department of Cardio-Thoracic Surgery, Zigong Fourth People's Hospital, Zigong, China
| | - Xiaoyan Yang
- Department of Cardio-Thoracic Surgery, Zigong Fourth People's Hospital, Zigong, China
| | - Yun Huang
- Department of Cardio-Thoracic Surgery, Zigong Fourth People's Hospital, Zigong, China
| | - Bo Tang
- Department of Cardio-Thoracic Surgery, Zigong Fourth People's Hospital, Zigong, China
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18
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Chen L, Zhang W, Chen D, Yang Q, Sun S, Dai Z, Li Z, Liang X, Chen C, Jiao Y, Zhi L, Zhao L, Zhang J, Liu X, Zhao J, Li M, Wang Y, Qi Y. RBM4 dictates ESCC cell fate switch from cellular senescence to glutamine-addiction survival through inhibiting LKB1-AMPK-axis. Signal Transduct Target Ther 2023; 8:159. [PMID: 37080995 PMCID: PMC10119322 DOI: 10.1038/s41392-023-01367-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 01/09/2023] [Accepted: 02/14/2023] [Indexed: 04/22/2023] Open
Abstract
Cellular senescence provides a protective barrier against tumorigenesis in precancerous or normal tissues upon distinct stressors. However, the detailed mechanisms by which tumor cells evade premature senescence to malignant progression remain largely elusive. Here we reported that RBM4 adversely impacted cellular senescence to favor glutamine-dependent survival of esophageal squamous cell carcinoma (ESCC) cells by dictating the activity of LKB1, a critical governor of cancer metabolism. The level of RBM4 was specifically elevated in ESCC compared to normal tissues, and RBM4 overexpression promoted the malignant phenotype. RBM4 contributed to overcome H-RAS- or doxorubicin-induced senescence, while its depletion caused P27-dependent senescence and proliferation arrest by activating LKB1-AMPK-mTOR cascade. Mechanistically, RBM4 competitively bound LKB1 to disrupt the LKB1/STRAD/MO25 heterotrimeric complex, subsequently recruiting the E3 ligase TRIM26 to LKB1, promoting LKB1 ubiquitination and degradation in nucleus. Therefore, such molecular process leads to bypassing senescence and sustaining cell proliferation through the activation of glutamine metabolism. Clinically, the ESCC patients with high RBM4 and low LKB1 have significantly worse overall survival than those with low RBM4 and high LKB1. The RBM4 high/LKB1 low expression confers increased sensitivity of ESCC cells to glutaminase inhibitor CB-839, providing a novel insight into mechanisms underlying the glutamine-dependency to improve the efficacy of glutamine inhibitors in ESCC therapeutics.
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Affiliation(s)
- Lei Chen
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Wenjing Zhang
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Dan Chen
- Department of Pathology, the First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China
| | - Quan Yang
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Siwen Sun
- Department of Oncology, the Second Affiliated Hospital of Dalian Medical University, Dalian, 116023, China
| | - Zhenwei Dai
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Zhengzheng Li
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Xuemei Liang
- Department of Thoracic Surgery, the First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China
| | - Chaoqun Chen
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Yuexia Jiao
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Lili Zhi
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Lianmei Zhao
- Research Center, the Fourth Hospital of Hebei Medical University, Shijiazhuang, 050011, China
| | - Jinrui Zhang
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Xuefeng Liu
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Jinyao Zhao
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China
| | - Man Li
- Department of Oncology, the Second Affiliated Hospital of Dalian Medical University, Dalian, 116023, China.
| | - Yang Wang
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China.
| | - Yangfan Qi
- Institute of Cancer Stem Cells and the Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, 116044, China.
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Correa-Romero BF, Olivares-Marin IK, Regalado-Gonzalez C, Nava GM, Madrigal-Perez LA. The role of the SNF1 signaling pathway in the growth of Saccharomyces cerevisiae in different carbon and nitrogen sources. Braz J Microbiol 2023:10.1007/s42770-023-00954-y. [DOI: 10.1007/s42770-023-00954-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
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Zhang Y, Zhu W, Wang M, Xi P, Wang H, Tian D. Nicotinamide mononucleotide alters body composition and ameliorates metabolic disorders induced by a high-fat diet. IUBMB Life 2023; 75:548-562. [PMID: 36785893 DOI: 10.1002/iub.2707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 01/17/2023] [Indexed: 02/15/2023]
Abstract
Obesity is caused by an imbalance between calorie intake and energy expenditure, leading to excessive adipose tissue accumulation. Nicotinamide adenine dinucleotide (NAD+ ) is an important molecule in energy and signal transduction, and NAD+ supplementation therapy is a new treatment for obesity in recent years. Liver kinase B1 (LKB1) is an energy metabolism regulator. The relationship between NAD+ and LKB1 has only been studied in the heart and has not yet been reported in obesity. Nicotinamide mononucleotide (NMN), as a direct precursor of NAD+ , can effectively enhance the level of NAD+ . In the current study, we showed that NMN intervention altered body composition in obese mice, characterized by a reduction in fat mass and an increase in lean mass. NMN reversed high-fat diet-induced blood lipid levels then contributed to reducing hepatic steatosis. NMN also improved glucose tolerance and alleviated adipose tissue inflammation. Moreover, our data suggested that NMN supplementation may be depends on the NAD+ /SIRT6/LKB1 pathway to regulate brown adipose metabolism. These results provided new evidence for NMN in obesity treatment.
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Affiliation(s)
- Yan Zhang
- Department of Clinical Laboratory Diagnostics, Tianjin Medical University, Tianjin, China
| | - Wenjuan Zhu
- Department of Clinical Laboratory Diagnostics, Tianjin Medical University, Tianjin, China
| | - Meng Wang
- Department of Clinical Laboratory Diagnostics, Tianjin Medical University, Tianjin, China
| | - Pengjiao Xi
- Department of Clinical Laboratory Diagnostics, Tianjin Medical University, Tianjin, China
| | - Haomin Wang
- Department of Human Anatomy and Histology, Tianjin Medical University, Tianjin, China
| | - Derun Tian
- Department of Clinical Laboratory Diagnostics, Tianjin Medical University, Tianjin, China.,Department of Human Anatomy and Histology, Tianjin Medical University, Tianjin, China
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Wang Z, Liang L, Liu L, Wang Z, Wang Y, Yu Z, Wu B, Chen Y. Changes in the Gut Microbiome Associated with Intussusception in Patients with Peutz-Jeghers Syndrome. Microbiol Spectr 2023; 11:e0281922. [PMID: 36719190 PMCID: PMC10101062 DOI: 10.1128/spectrum.02819-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 01/03/2023] [Indexed: 02/01/2023] Open
Abstract
Peutz-Jeghers syndrome (PJS) is a rare hereditary disorder characterized by intestinal polyposis, and intestinal intussusception is one of the most urgent complications. While it is known that imbalance of the gut microbiota is highly associated with intestinal disorders, the role of the gut microbiome in the pathogenesis of PJS has not been reported. In this study, we performed 16S rRNA sequencing on stools from 168 patients and 68 healthy family members who lived together to determine the gut microbiome composition of PJS patients. Metagenomics sequencing was further performed on the representative samples (61 PJS patients and 27 healthy family members) to analyze the functional changes. We found that the fecal microbiome of patients with PJS showed a greater variation in β-diversity. An enhancement of Escherichia coli and a reduction of Faecalibacterium prausnitzii was identified in PJS patients. Further reduction of Faecalibacterium prausnitzii was the characteristic microbial change observed in patients with intussusception. Functional analysis revealed that the abundance of propanoate metabolism was enriched in PJS patients and further enriched in those with intussusception. Escherichia coli was the major contributor to the enrichment of this metabolism pathway, which was associated with the abnormal expression of methylglyoxal synthase (encoded by mgsA) and phosphate acetyltransferase (encoded by pta). Our findings showed a distinct gut microbiome signature in PJS patients and identified the connection between the gut microbiome and intussusception. Alterations in the gut microbiome might be involved in the pathogenesis of PJS and may serve as biomarkers for gastrointestinal surveillance. IMPORTANCE Recent research has established a link between the gut microbiome and polyps and neoplasia, and antibiotic use influences the microbiome and the development of colorectal polyps. Familial adenomatous polyposis (FAP), which is characterized by the early development of benign precursor lesions (polyps), is associated with enterotoxigenic Bacteroides fragilis and Escherichia coli biofilms. However, the relationship between the gut microbiome and the pathophysiology of PJS has not yet been established. In this study, we found that PJS patients had a distinct microbiome composition, with a greater variation in β-diversity, an increase in Escherichia coli, and a decrease in Faecalibacterium prausnitzii. A further reduction of Faecalibacterium prausnitzii was observed in patients with intussusception. Moreover, PJS involved increased propanoate metabolism as well as abnormal mgsA and pta expression. These findings may contribute to a better understanding of the etiology of PJS and improve disease control strategies.
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Affiliation(s)
- Zhiqing Wang
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Liping Liang
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Le Liu
- Department of Gastroenterology, Integrative Microecology Center, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Zhi Wang
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ying Wang
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zonglin Yu
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Baoping Wu
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ye Chen
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Gastroenterology, Integrative Microecology Center, Shenzhen Hospital, Southern Medical University, Shenzhen, China
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23
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Niche-Dependent Regulation of Lkb1 in the Proliferation of Lung Epithelial Progenitor Cells. Int J Mol Sci 2022; 23:ijms232315065. [PMID: 36499390 PMCID: PMC9735896 DOI: 10.3390/ijms232315065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022] Open
Abstract
Lung homeostasis and regeneration depend on lung epithelial progenitor cells. Lkb1 (Liver Kinase B1) has known roles in the differentiation of airway epithelial cells during embryonic development. However, the effects of Lkb1 in adult lung epithelial progenitor cell regeneration and its mechanisms of action have not been determined. In this study, we investigated the mechanism by which Lkb1 regulates lung epithelial progenitor cell regeneration. Organoid culture showed that loss of Lkb1 significantly reduced the proliferation of club cells and alveolar type 2 (AT2) cells in vitro. In the absence of Lkb1, there is a slower recovery rate of the damaged airway epithelium in naphthalene-induced airway epithelial injury and impaired expression of surfactant protein C during bleomycin-induced alveolar epithelial damage. Moreover, the expression of autophagy-related genes was reduced in club cells and increased in AT2 cells, but the expression of Claudin-18 was obviously reduced in AT2 cells after Lkb1 knockdown. On the whole, our findings indicated that Lkb1 may promote the proliferation of lung epithelial progenitor cells via a niche-dependent pathway and is required for the repair of the damaged lung epithelium.
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Parma B, Wurdak H, Ceppi P. Harnessing mitochondrial metabolism and drug resistance in non-small cell lung cancer and beyond by blocking heat-shock proteins. Drug Resist Updat 2022; 65:100888. [DOI: 10.1016/j.drup.2022.100888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/10/2022] [Accepted: 10/25/2022] [Indexed: 11/30/2022]
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25
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Pereverzeva L, Otto NA, Roelofs JJTH, de Vos AF, van der Poll T. Myeloid liver kinase B1 contributes to lung inflammation induced by lipoteichoic acid but not by viable Streptococcus pneumoniae. Respir Res 2022; 23:241. [PMID: 36096803 PMCID: PMC9465928 DOI: 10.1186/s12931-022-02168-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 09/05/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Liver kinase B1 (Lkb1, gene name Stk11) functions as a tumor suppressor in cancer. Myeloid cell Lkb1 potentiates lung inflammation induced by the Gram-negative bacterial cell wall component lipopolysaccharide and in host defense during Gram-negative pneumonia. Here, we sought to investigate the role of myeloid Lkb1 in lung inflammation elicited by the Gram-positive bacterial cell wall component lipoteichoic acid (LTA) and during pneumonia caused by the Gram-positive respiratory pathogen Streptococcus pneumoniae (Spneu).
Methods
Alveolar and bone marrow derived macrophages (AMs, BMDMs) harvested from myeloid-specific Lkb1 deficient (Stk11-ΔM) and littermate control mice were stimulated with LTA or Spneu in vitro. Stk11-ΔM and control mice were challenged via the airways with LTA or infected with Spneu in vivo.
Results
Lkb1 deficient AMs and BMDMs produced less tumor necrosis factor (TNF)α upon activation by LTA or Spneu. During LTA-induced lung inflammation, Stk11-ΔM mice had reduced numbers of AMs in the lungs, as well as diminished cytokine release and neutrophil recruitment into the airways. During pneumonia induced by either encapsulated or non-encapsulated Spneu, Stk11-ΔM and control mice had comparable bacterial loads and inflammatory responses in the lung, with the exception of lower TNFα levels in Stk11-ΔM mice after infection with the non-encapsulated strain.
Conclusion
Myeloid Lkb1 contributes to LTA-induced lung inflammation, but is not important for host defense during pneumococcal pneumonia.
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Fang C, Pan J, Qu N, Lei Y, Han J, Zhang J, Han D. The AMPK pathway in fatty liver disease. Front Physiol 2022; 13:970292. [PMID: 36203933 PMCID: PMC9531345 DOI: 10.3389/fphys.2022.970292] [Citation(s) in RCA: 72] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 07/25/2022] [Indexed: 11/20/2022] Open
Abstract
Lipid metabolism disorders are the primary causes for the occurrence and progression of various liver diseases, including non-alcoholic fatty liver disease (NAFLD) and alcoholic fatty liver disease (AFLD) caused by a high-fat diet and ethanol. AMPK signaling pathway plays an important role in ameliorating lipid metabolism disorders. Progressive research has clarified that AMPK signal axes are involved in the prevention and reduction of liver injury. Upregulation of AMK can alleviate FLD in mice induced by alcohol or insulin resistance, type 2 diabetes, and obesity, and most natural AMPK agonists can regulate lipid metabolism, inflammation, and oxidative stress in hepatocytes, consequently regulating FLD in mice. In NAFLD and AFLD, increasing the activity of AMPK can inhibit the synthesis of fatty acids and cholesterol by down-regulating the expression of adipogenesis gene (FAS, SREBP-1c, ACC and HMGCR); Simultaneously, by increasing the expression of fatty acid oxidation and lipid decomposition genes (CPT1, PGC1, and HSL, ATGL) involved in fatty acid oxidation and lipid decomposition, the body’s natural lipid balance can be maintained. At present, some AMPK activators are thought to be beneficial during therapeutic treatment. Therefore, activation of AMPK signaling pathway is a potential therapeutic target for disorders of the liver. We summarized the most recent research on the role of the AMPK pathway in FLD in this review. Simultaneously, we performed a detailed description of each signaling axis of the AMPK pathway, as well as a discussion of its mechanism of action and therapeutic significance.
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Affiliation(s)
- Chunqiu Fang
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
| | - Jianheng Pan
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
| | - Ning Qu
- College of Traditional Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Yuting Lei
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
| | - Jiajun Han
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
| | - Jingzhou Zhang
- College of Traditional Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Dong Han
- College of Pharmacy, Changchun University of Chinese Medicine, Changchunn, China
- *Correspondence: Dong Han,
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Gao F, Wang C, Ji J, Li W. FBXO22 promotes cell proliferation and inhibits autophagy in HPV-associated cervical cancer by inactivating the LKB1/AMPK pathway. Mol Cell Toxicol 2022. [DOI: 10.1007/s13273-022-00278-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Wang Z, Wang Z, Wang Y, Wu J, Yu Z, Chen C, Chen J, Wu B, Chen Y. High risk and early onset of cancer in Chinese patients with Peutz-Jeghers syndrome. Front Oncol 2022; 12:900516. [PMID: 36033506 PMCID: PMC9406140 DOI: 10.3389/fonc.2022.900516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 07/12/2022] [Indexed: 11/13/2022] Open
Abstract
Peutz-Jeghers syndrome (PJS) is an autosomal dominant inherited disorder associated with a predisposition to a variety of cancers. Previous studies that have evaluated the cancer spectrum and risk of this rare disease have primarily been based on small data sets or heterogeneous cohorts from different countries. Here, we report the results of a large homogeneous cohort of Chinese PJS patients who were followed prospectively from 2006 to July 2021, and clinical data before 2006 were retrospectively collected. A total of 412 PJS patients (56.55% males) from 208 families were enrolled, contributing 12,798 person-years of follow-up. A total of 113 cancers were diagnosed in 109 patients (26.46%). The median age at the first cancer diagnosis was 40 years. In particular, patients born after the 1980s were diagnosed with cancer at an earlier median age of 30.5 years. The cumulative cancer risk was sharply increased to 30.9% at age 40 years; this high cancer risk age was 10 years earlier than that reported in previous Western studies, and increased to 76.2% at an age of 60 years. The most common cancer was gastrointestinal (GI) cancer (64.6%), in which colorectal cancer constituted a significantly larger proportional distribution (32.74%), when compared with previous investigations (11.1%−20.83%). There was some evidence that overrepresentation point variants in domain XI of STK11 may be associated with GI cancers. Furthermore, the incidences of gynecological and lung cancers were second only to that of GI cancer in this cohort. These results may provide novel insight for justifying surveillance to detect cancers at an earlier phase to improve clinical outcomes. Furthermore, the potential STK11 genotype-phenotype association could be the basis for future genetic counseling.
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Affiliation(s)
- Zhiqing Wang
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhi Wang
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Gastroenterology, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Ying Wang
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Gastroenterology, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Jianhua Wu
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zonglin Yu
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Chudi Chen
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Junsheng Chen
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Baoping Wu
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ye Chen
- Department of Gastroenterology, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Gastroenterology, Shenzhen Hospital, Southern Medical University, Shenzhen, China
- *Correspondence: Ye Chen,
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Xu DL, Fan K, Zhang H, Tang LX, Wang Y, Xiang Z, Shi AM, Qu YC, Su CJ, Pan J. Anti-proliferation and apoptosis-inducing effects of dihydroartemisinin on SH-SY5Y cells and metabolomic analysis. Transl Pediatr 2022; 11:1346-1361. [PMID: 36072536 PMCID: PMC9442203 DOI: 10.21037/tp-22-331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/11/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND In childhood, metastatic neuroblastoma (NB) is the most common extracranial solid tumor, but there are no appropriate drugs for its treatment. Dihydroartemisinin (DHA), a drug for malaria treatment, has therapeutic potential in several cancers; however, its mechanisms remain unclear. This study aimed to investigate the anti-proliferation effect of DHA on SH-SY5Y cells and to explore its mechanism in vitro. METHODS We used 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay to measure the half-maximal inhibitory concentration (IC50) of DHA; western blot was used to determine protein levels; propidium iodide (PI) staining was used to determine apoptotic cells; JC-1 staining to measure mitochondrial membrane potential; and dichloro-dihydro-fluorescein diacetate (DCFH-DA) staining was used to determine reactive oxygen species (ROS). Metabonomic analysis was performed by using ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS)-based untargeted metabolomics. Multivariate statistical analysis was performed to screen potential metabolites associated with DHA treatment in SH-SY5Y cells. RESULTS It was shown that DHA inhibited SH-SY5Y cell proliferation and increased poly (ADP-ribose) polymerase (PARP-1) and caspase 3 in a dose-dependent manner. In Further, DHA promoted ROS generation and γH2AX expression. In addition, a total of 125 proposed metabolites in SH-SY5Y cells and 45 vital metabolic pathways were identified through UHPLC-MS/MS-based untargeted metabolomic analysis. CONCLUSIONS These data suggest that DHA could regulate taurine, linoleic acid, phenylalanine metabolism, and tryptophan metabolism, which are involved in the anti-proliferation effect of DHA in SH-SY5Y cells.
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Affiliation(s)
- De-Lai Xu
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Kai Fan
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Hua Zhang
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Liu-Xing Tang
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yang Wang
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhen Xiang
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Ai-Ming Shi
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yu-Chen Qu
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Cun-Jin Su
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jie Pan
- Department of Pharmacy, the Second Affiliated Hospital of Soochow University, Suzhou, China
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Liu Z, Zhou K, Zeng J, Zhou X, Li H, Peng K, Liu X, Feng F, Jiang B, Zhao M, Ma T. Liver kinase B1 in exosomes inhibits immune checkpoint programmed death ligand 1 and metastatic progression of intrahepatic cholangiocarcinoma. Oncol Rep 2022; 48:155. [PMID: 35856436 PMCID: PMC9350976 DOI: 10.3892/or.2022.8367] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 06/27/2022] [Indexed: 11/05/2022] Open
Affiliation(s)
- Zhuo Liu
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Kunyan Zhou
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, D‑30159 Hannover, Germany
| | - Jian Zeng
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Xin Zhou
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Huanyu Li
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Ke Peng
- Scientific Research Department, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Xiang Liu
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Feng Feng
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Bin Jiang
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Ming Zhao
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Tiexiang Ma
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
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Wang S, Huang G, Wang JX, Tian L, Zuo XL, Li YQ, Yu YB. Altered Gut Microbiota in Patients With Peutz–Jeghers Syndrome. Front Microbiol 2022; 13:881508. [PMID: 35910641 PMCID: PMC9326469 DOI: 10.3389/fmicb.2022.881508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 06/06/2022] [Indexed: 11/14/2022] Open
Abstract
Background Peutz–Jeghers syndrome (PJS) is a rare genetic disorder characterized by the development of pigmented spots and gastrointestinal polyps and increased susceptibility to cancers. It remains unknown whether gut microbiota dysbiosis is linked to PJS. Aim This study aimed to assess the structure and composition of the gut microbiota, including both bacteria and fungi, in patients with PJS and investigate the relationship between gut microbiota dysbiosis and PJS pathogenesis. Methods The bacterial and fungal composition of the fecal microbiota was analyzed in 23 patients with PJS (cases), 17 first-degree asymptomatic relatives (ARs), and 24 healthy controls (HCs) using 16S (MiSeq) and ITS2 (pyrosequencing) sequencing for bacteria and fungi, respectively. Differential analyses of the intestinal flora were performed from the phylum to species level. Results Alpha-diversity distributions of bacteria and fungi indicated that the abundance of both taxa differed between PJS cases and controls. However, while the diversity and composition of fecal bacteria in PJS cases were significantly different from those in ARs and HCs, fungal flora was more stable. High-throughput sequencing confirmed the special characteristics and biodiversity of the fecal bacterial and fungal microflora in patients with PJS. They had lower bacterial biodiversity than controls, with a higher frequency of the Proteobacteria phylum, Enterobacteriaceae family, and Escherichia-Shigella genus, and a lower frequency of the Firmicutes phylum and the Lachnospiraceae and Ruminococcaceae families. Of fungi, Candida was significantly higher in PJS cases than in controls. Conclusion The findings reported here confirm gut microbiota dysbiosis in patients with PJS. This is the first report on the bacterial and fungal microbiota profile of subjects with PJS, which may be meaningful to provide a structural basis for further research on intestinal microecology in PJS.
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Affiliation(s)
- Sui Wang
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
- Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
| | - Gang Huang
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
- Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
| | - Jue-Xin Wang
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
- Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
| | - Lin Tian
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
- Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
| | - Xiu-Li Zuo
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
- Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
| | - Yan-Qing Li
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
- Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
| | - Yan-Bo Yu
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
- Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
- *Correspondence: Yan-Bo Yu
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Identification of EDIL3 biomarkers as a biomarker and potential therapeutic target of canine mammary carcinomas based on integrated bioinformatics analysis. Vet Immunol Immunopathol 2022; 249:110432. [DOI: 10.1016/j.vetimm.2022.110432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 05/03/2022] [Accepted: 05/04/2022] [Indexed: 11/22/2022]
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Wu TC, Liao CY, Lu WC, Chang CR, Tsai FY, Jiang SS, Chen TH, Lin KMC, Chen LT, Chang WSW. Identification of distinct slow mode of reversible adaptation of pancreatic ductal adenocarcinoma to the prolonged acidic pH microenvironment. J Exp Clin Cancer Res 2022; 41:137. [PMID: 35410237 PMCID: PMC8996570 DOI: 10.1186/s13046-022-02329-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 03/13/2022] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Pancreatic ductal adenocarcinoma (PDAC) is the most common pancreatic neoplasm with high metastatic potential and poor clinical outcome. Like other solid tumors, PDAC in the early stages is often asymptomatic, and grows very slowly under a distinct acidic pHe (extracellular pH) microenvironment. However, most previous studies have only reported the fate of cancerous cells upon cursory exposure to acidic pHe conditions. Little is known about how solid tumors-such as the lethal PDAC originating within the pancreatic duct-acinar system that secretes alkaline fluids-evolve to withstand and adapt to the prolonged acidotic microenvironmental stress. METHODS Representative PDAC cells were exposed to various biologically relevant periods of extracellular acidity. The time effects of acidic pHe stress were determined with respect to tumor cell proliferation, phenotypic regulation, autophagic control, metabolic plasticity, mitochondrial network dynamics, and metastatic potentials. RESULTS Unlike previous short-term analyses, we found that the acidosis-mediated autophagy occurred mainly as an early stress response but not for later adaptation to microenvironmental acidification. Rather, PDAC cells use a distinct and lengthy process of reversible adaptive plasticity centered on the early fast and later slow mitochondrial network dynamics and metabolic adjustment. This regulates their acute responses and chronic adaptations to the acidic pHe microenvironment. A more malignant state with increased migratory and invasive potentials in long-term acidosis-adapted PDAC cells was obtained with key regulatory molecules being closely related to overall patient survival. Finally, the identification of 34 acidic pHe-related genes could be potential targets for the development of diagnosis and treatment against PDAC. CONCLUSIONS Our study offers a novel mechanism of early rapid response and late reversible adaptation of PDAC cells to the stress of extracellular acidosis. The presence of this distinctive yet slow mode of machinery fills an important knowledge gap in how solid tumor cells sense, respond, reprogram, and ultimately adapt to the persistent microenvironmental acidification.
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Affiliation(s)
- Tzu-Chin Wu
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Chien-Yu Liao
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Wei-Chien Lu
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Chuang-Rung Chang
- Institute of Molecular and Cellular Biology, College of Life Science, National Tsing Hua University, Hsinchu, 300044 Taiwan
| | - Fang-Yu Tsai
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Shih-Sheng Jiang
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Tsung-Hsien Chen
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Zhunan, 350401 Taiwan
- Current address: Ditmanson Medical Foundation, Chia-Yi Christian Hospital, Chia-Yi, 60002 Taiwan
| | - Kurt Ming-Chao Lin
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Li-Tzong Chen
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Wun-Shaing Wayne Chang
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, 350401 Taiwan
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Ji H, Zhang Q, Yang Z, Rui M, Chen Q, Niu X. Molecular Mechanism of Extractum Liquidum Drug Loading Materials on Promoting Chronic Wound Tissue Repair Through Phosphatidylinositol 3 Kinase/Protein Kinase B/Hypoxia Induction Factor 1 α Signal Pathway. J BIOMATER TISS ENG 2022. [DOI: 10.1166/jbt.2022.2860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
To solve the shortcomings of traditional Zeji extractum liquidum (traditional Chinese medicine used for wound healing), and to explore the effect of Zeji Etractum Lquidum (ZLE) Nano Materials (ZLENM) on chronic wound (CW) healing and its molecular mechanism. 30 SD rats were divided
into 3 groups in random: control group (Ctrl group), model group (CW group), and treatment group (ZLENM group). The results of wound healing rate showed that, in contrast with the CW, the healing rate of back wounds in the ZLENM group was greatly increased on the 7th and 14th days (P
< 0.05). In contrast with the Ctrl, the rats in the CW and the ZLENM groups had greatly increased CD31 positive staining on the 7th and 14th days (P < 0.05), and the CW was lower than the ZLENM group (P < 0.05). In contrast with the 7th day, the MVD in the CW and the
ZLENM groups was greatly reduced on the 14th day (P < 0.05). Western blot analysis of the expression of related signal molecules showed that the expressions of P-Akt, P-PI3K, HIF-1α, and VEGFR2 protein in the wounds in the CW and ZLENM groups were greatly increased in
contrast with the Ctrl (P < 0.05), and CW was lower than ZLENM group (P < 0.05). In conclusion, ZLENM can promote wound healing and increase the number of wound angiogenesis in CW rats. The mechanism is related to the activation of phosphatidylinositol 3 kinase/protein
kinase B/hypoxia induction factor 1α (PI3K/AKT/HIF-1α) signaling pathway.
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Affiliation(s)
- Hui Ji
- Department of Orthopedic, Nanjing Integrated Traditional Chinese and Western Medicine Hospital Affiliated to Nanjing University of Traditional Chinese Medicine, Nanjing, 210014, Jiangsu, China
| | - Qian Zhang
- Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Zengmin Yang
- Department of Orthopedic, Nanjing Integrated Traditional Chinese and Western Medicine Hospital Affiliated to Nanjing University of Traditional Chinese Medicine, Nanjing, 210014, Jiangsu, China
| | - Minjie Rui
- Department of Orthopedic, Nanjing Integrated Traditional Chinese and Western Medicine Hospital Affiliated to Nanjing University of Traditional Chinese Medicine, Nanjing, 210014, Jiangsu, China
| | - Qiyi Chen
- Department of Orthopedic, Nanjing Integrated Traditional Chinese and Western Medicine Hospital Affiliated to Nanjing University of Traditional Chinese Medicine, Nanjing, 210014, Jiangsu, China
| | - Xiaohong Niu
- Department of Luoli, Nanjing Integrated Traditional Chinese and Western Medicine Hospital Affiliated to Nanjing University of Traditional Chinese Medicine, Nanjing, 210014, Jiangsu, China
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Li Y, Wu C, Ge Y, Chen X, Zhu L, Chu L, Wang J, Yan M, Deng H. Identification of a nucleotide metabolism-related signature to predict prognosis and guide patient care in hepatocellular carcinoma. Front Genet 2022; 13:1089291. [PMID: 36685912 PMCID: PMC9846068 DOI: 10.3389/fgene.2022.1089291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/15/2022] [Indexed: 01/05/2023] Open
Abstract
Background: Hepatocellular carcinoma is a highly malignant tumor with significant heterogeneity. Metabolic reprogramming plays an essential role in the progression of hepatocellular carcinoma. Among them, nucleotide metabolism needs further investigation. Methods: Based on the bioinformatics approach, eleven prognosis-related nucleotide metabolism genes of hepatocellular carcinoma were screened in this study. Based on the Lasso-Cox regression method, we finally identified a prognostic model containing six genes and calculated the risk score for each patient. In addition, a nomogram was constructed on the basis of pathological stage and risk score. Results: Patients with high-risk score had worse prognosis than those with low-risk. The predictive efficiency of the model was efficient in both the TCGA dataset and the ICGC dataset. The risk score is an independent prognostic factor that can be used to screen chemotherapy drugs. In addition, the risk score can be useful in guiding patient care at an early stage. Conclusion: Nucleotide metabolism-related prognostic model can more accurately predict the prognosis of patients with hepatocellular carcinoma. As a novel prediction model, it is expected to help clinical staff to provide targeted treatment and nursing to patients.
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Affiliation(s)
- Yu Li
- Department of Gastroenterology, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Chunyan Wu
- Department of General Surgery, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, China
| | - Yingnan Ge
- Department of Hepatopancreatobiliary Surgery, Shenzhen Second People’s Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, China
- Shantou University Medical College, Shantou, China
| | - Xi Chen
- Department of Gastroenterology, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Li Zhu
- Department of Gastroenterology, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Ling Chu
- Department of Gastroenterology, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Jia Wang
- Department of Gastroenterology, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Meiling Yan
- Department of General Surgery, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, China
- *Correspondence: Hao Deng, ; Meiling Yan,
| | - Hao Deng
- Department of General Surgery, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, China
- *Correspondence: Hao Deng, ; Meiling Yan,
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Sumbly V, Landry I. Unraveling the Role of STK11/LKB1 in Non-small Cell Lung Cancer. Cureus 2022; 14:e21078. [PMID: 35165542 PMCID: PMC8826623 DOI: 10.7759/cureus.21078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2022] [Indexed: 12/25/2022] Open
Abstract
There are two major groups of lung cancer: non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC). NSCLCs can be further separated into three different categories: lung adenocarcinoma, squamous cell carcinoma, and large cell carcinoma. Pulmonary adenocarcinomas represent nearly half of all lung cancer cases and are known to be caused by smoking, certain occupational exposures, and specific genetic mutations. Scientists have noticed that most NSCLCs are driven by defects in the following genes: EGFR, BRAF, ALK, MET, and HER. Abnormalities in the STK11/LKB1 gene have also been shown to induce lung adenocarcinoma. LKB1-deficient cancer cells contain an overactive AMPK “energy sensor,” which inhibits cellular death and promotes glucose, lipid, and protein synthesis via the mTOR protein complex. Studies have also discovered that the loss of STK11/LKB1 favors oncogenesis by creating an immunosuppressive environment for tumors to grow and accelerate events such as angiogenesis, epithelial-mesenchymal transition (EMT), and cell polarity destabilization. STK11/LKB1-mutant lung cancers are currently treated with radiotherapy with or without chemotherapy. Recent clinical trials studying the effects of glutaminase inhibitors, mTOR inhibitors, and anti-PD-L1 therapy in lung cancer patients have yielded promising results. This narrative review provides an overview of the STK11/LKB1 gene and its role in cancer development. Additionally, a summary of the LKB1/APMK/mTOR is provided.
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Affiliation(s)
- Vikram Sumbly
- Internal Medicine, Icahn School of Medicine at Mount Sinai, New York City Health and Hospitals/Queens, Jamaica, USA
| | - Ian Landry
- Internal Medicine, Icahn School of Medicine at Mount Sinai, New York City Health and Hospitals/Queens, Jamaica, USA
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Inhibition of Non-Small Cell Lung Cancer Proliferation and Survival by Rosemary Extract Is Associated with Activation of ERK and AMPK. Life (Basel) 2021; 12:life12010052. [PMID: 35054445 PMCID: PMC8779065 DOI: 10.3390/life12010052] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 12/21/2021] [Accepted: 12/26/2021] [Indexed: 12/24/2022] Open
Abstract
Non-small cell lung cancer (NSCLC) represents an aggressive form of lung cancer which often develops resistance to chemo- and radiotherapy emphasizing a need to identify novel treatment agents to combat it. Many plants contain compounds with anti-inflammatory, antimicrobial, antidiabetic, and anticancer properties and some plant-derived chemicals are used in the treatment of cancer. A limited number of in vitro and in vivo animal studies provide evidence of anticancer effects of rosemary (Rosmarinus officinalis) extract (RE); however, no studies have explored its role in H1299 NSCLC cells, and its underlying mechanism(s) of action are not understood. The current study examined the effects of RE on H1299 cell proliferation, survival, and migration using specific assays. Additionally, immunoblotting was used to investigate the effects of RE treatment on signalling molecules implicated in cell growth and survival. Treatment with RE dose-dependently inhibited H1299 proliferation with an IC50 value of 19 µg/mL. Similarly, RE dose-dependently reduced cell survival, and this reduction correlated with increased levels of cleaved poly (ADP-ribose) polymerase (PARP), a marker of apoptosis. RE was also able to inhibit cell migration as assessed with a wound healing assay. These cellular effects of RE were associated with an increase in phosphorylated levels of extracellular signal-regulated kinase (ERK), AMP-activated protein kinase (AMPK), and its downstream targets ACC, the mTORC1 protein raptor, and decreased p70S6K phosphorylation. More studies are required to fully examine the effects of RE against NSCLC.
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Li Y, Zhang Q, Li L, Hao D, Cheng P, Li K, Li X, Wang J, Wang Q, Du Z, Ji H, Chen H. LKB1 deficiency upregulates RELM-α to drive airway goblet cell metaplasia. Cell Mol Life Sci 2021; 79:42. [PMID: 34921639 PMCID: PMC8738459 DOI: 10.1007/s00018-021-04044-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 11/02/2021] [Accepted: 11/15/2021] [Indexed: 02/08/2023]
Abstract
Targeting airway goblet cell metaplasia is a novel strategy that can potentially reduce the chronic obstructive pulmonary disease (COPD) symptoms. Tumor suppressor liver kinase B1 (LKB1) is an important regulator of the proliferation and differentiation of stem/progenitor cells. In this study, we report that LKB1 expression was downregulated in the lungs of patients with COPD and in those of cigarette smoke-exposed mice. Nkx2.1Cre; Lkb1f/f mice with conditional loss of Lkb1 in mouse lung epithelium displayed airway mucus hypersecretion and pulmonary macrophage infiltration. Single-cell transcriptomic analysis of the lung tissues from Nkx2.1Cre; Lkb1f/f mice further revealed that airway goblet cell differentiation was altered in the absence of LKB1. An organoid culture study demonstrated that Lkb1 deficiency in mouse airway (club) progenitor cells promoted the expression of FIZZ1/RELM-α, which drove airway goblet cell differentiation and pulmonary macrophage recruitment. Additionally, monocyte-derived macrophages in the lungs of Nkx2.1Cre; Lkb1f/f mice exhibited an alternatively activated M2 phenotype, while expressing RELM-α, which subsequently aggravated airway goblet cell metaplasia. Our findings suggest that the LKB1-mediated crosstalk between airway progenitor cells and macrophages regulates airway goblet cell metaplasia. Moreover, our data suggest that LKB1 agonists might serve as a potential therapeutic option to treat respiratory disorders associated with goblet cell metaplasia.
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Affiliation(s)
- Yu Li
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, 300350, China
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin, China
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin, China
| | - Qiuyang Zhang
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, 300350, China
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin, China
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin, China
| | - Li Li
- Department of Respiratory Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
| | - De Hao
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, 300350, China
| | - Peiyong Cheng
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, 300350, China
| | - Kuan Li
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, 300350, China
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin, China
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin, China
| | - Xue Li
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, 300350, China
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin, China
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin, China
| | - Jianhai Wang
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, 300350, China
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin, China
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
- Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin, China
| | - Qi Wang
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin, China
| | - Zhongchao Du
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin, China
| | - Hongbin Ji
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Huaiyong Chen
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, 300350, China.
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin, China.
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China.
- Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin, China.
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Wang X, Liang Z, Xiang H, Li Y, Chen S, Lu H. LKB1 Regulates Vascular Macrophage Functions in Atherosclerosis. Front Pharmacol 2021; 12:810224. [PMID: 34975507 PMCID: PMC8714937 DOI: 10.3389/fphar.2021.810224] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 11/29/2021] [Indexed: 11/13/2022] Open
Abstract
Liver kinase B1 (LKB1) is known to shape the regulation of macrophage function by participating in multiple processes including cell metabolism, growth, and polarization. However, whether LKB1 also affects the functional plasticity of macrophages in atherosclerosis has not attracted much attention. Abnormal macrophage function is a pathophysiological hallmark of atherosclerosis, characterized by the formation of foam cells and the maintenance of vascular inflammation. Mounting evidence supports that LKB1 plays a vital role in the regulation of macrophage function in atherosclerosis, including affecting lipid metabolism reprogramming, inflammation, endoplasmic reticulum stress, and autophagy in macrophages. Thus, decreased expression of LKB1 in atherosclerosis aggravates vascular injury by inducing excessive lipid deposition in macrophages and the formation of foam cells. To systematically understand the role and potential mechanism of LKB1 in regulating macrophage functions in atherosclerosis, this review summarizes the relevant data in this regard, hoping to provide new ideas for the prevention and treatment of atherosclerosis.
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Affiliation(s)
- Xuewen Wang
- Health Management Center, The Third Xiangya Hospital of Central South University, Changsha, China
- Department of Cardiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Ziwei Liang
- Department of Clinical Laboratory, Yueyang people’s Hospital, Yueyang, China
| | - Hong Xiang
- Center for Experimental Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Yanqiu Li
- Health Management Center, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Shuhua Chen
- Department of Biochemistry, School of Life Sciences of Central South University, Changsha, China
- Correspondence: Hongwei Lu, ; Shuhua Chen,
| | - Hongwei Lu
- Health Management Center, The Third Xiangya Hospital of Central South University, Changsha, China
- Department of Cardiology, The Third Xiangya Hospital of Central South University, Changsha, China
- Center for Experimental Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
- Correspondence: Hongwei Lu, ; Shuhua Chen,
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Hu M, Zhang D, Xu H, Zhang Y, Shi H, Huang X, Wang X, Wu Y, Qi Z. Salidroside Activates the AMP-Activated Protein Kinase Pathway to Suppress Nonalcoholic Steatohepatitis in Mice. Hepatology 2021; 74:3056-3073. [PMID: 34292604 DOI: 10.1002/hep.32066] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/02/2021] [Accepted: 07/07/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND AIMS NASH is becoming a leading cause of liver cirrhosis and HCC. Salidroside (p-hydroxyphenethyl-β-D-glucoside; SAL) has various biological and pharmacological activities, including anti-inflammatory, -oxidant, and -cancer activities. However, the therapeutic effect and underlying molecular mechanism of SAL in NASH remain to be further clarified. METHODS AND RESULTS In this study, we found that SAL alleviated lipid accumulation and inflammatory response in primary hepatocytes after palmitic acid/oleic acid (PO) stimulation. In addition, SAL effectively prevented high-fat/high-cholesterol (HFHC)-diet-induced NASH progression by regulating glucose metabolism dysregulation, insulin resistance, lipid accumulation, inflammation, and fibrosis. Mechanistically, integrated RNA-sequencing and bioinformatic analysis showed that SAL promoted AMPK-signaling pathway activation in vitro and in vivo, and this finding was further verified by determining the phosphorylation levels of AMPK. Furthermore, the protective effects of SAL on lipid accumulation and inflammation in hepatocytes and livers induced by PO or HFHC stimulation were blocked by AMPK interruption. CONCLUSIONS Our studies demonstrate that SAL protects against metabolic-stress-induced NASH progression through activation of AMPK signaling, indicating that SAL could be a potential drug component for NASH therapy.
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Affiliation(s)
- Manli Hu
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,Medical Science Research Centre, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Dingran Zhang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Hongyang Xu
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yan Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hongjie Shi
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaoli Huang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xinhui Wang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yan Wu
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zhili Qi
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
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Sandru F, Petca A, Dumitrascu MC, Petca RC, Carsote M. Peutz-Jeghers syndrome: Skin manifestations and endocrine anomalies (Review). Exp Ther Med 2021; 22:1387. [PMID: 34650635 PMCID: PMC8506952 DOI: 10.3892/etm.2021.10823] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 08/27/2021] [Indexed: 12/11/2022] Open
Abstract
Peutz-Jeghers syndrome (PJS), a rare autosomal dominant serine/threonine kinase 11 (STK11)/ liver kinase B1 (LKB1) gene-related genodermatosis, is characterized by oral hyperpigmentation (OHP); multiple gastro-intestinal mucosal benign hamartomatous polyps causing local bleeding, occlusion, intussusception, post-resection small bowel syndrome, associated increased risk of small intestinal cancer (incidence during the third decade); and 76% cumulative higher risk than the global population of developing non-gastrointestinal tumors (female predominance) including ovarian/testicular neoplasia, pancreatic and gynecologic (breast, uterus, ovarian) cancers. Suggestive PJS-associated OHP requires STK11 genetic testing. Abdominal pain in an OHP patient may be related to PJS-associated polyps. Other features include focal depigmentation followed by hyperpigmentation, and xeroderma pigmentosum-like lesions. The severity of the dermatological findings is correlated with gastrointestinal polyps. The STK11 gene is linked to reserve of primordial follicles, polycystic ovary syndrome, female fertility, and spermatogenesis. PJS is associated with 2 types of ovarian sex-cord stroma tumors (SCSTs): annular tubules (SCTATs) and pure Sertoli cell tumors. SCSTs accounts for 8% of ovarian cancer and SCTATs represents 2% of SCST, which may be associated with the overproduction of progesterone. PJS-SCTAT vs. non-PJS-SCTAT reveals bilateral/multifocal, small tumors with a benign behavior vs. a unique ovarian, large tumor with increased malignant/metastasis risk. Male precocious puberty is due to large cell calcifying Sertoli cell tumors (LCCSCTs). Notably, 30-40% of LCCSCTs are caused by PJS or Carney complex. PJS-LCCSCT is not aggressive, but it may be bilateral/multifocal, with the ultrasound hallmark being micro-calcifications. Testicular, intra-tubular large cell hyalinizing Sertoli cell tumor is the second testicle neoplasia in PJS. The skin and mucosal lesions are useful markers of PJS, assisting with the early identification of hamartomatouspolyps and initiation of serial surveillance of ovarian, or testicular neoplasia.
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Affiliation(s)
- Florica Sandru
- Department of Dermatology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Dermatology, ‘Elias’ Emergency Hospital, 011461 Bucharest, Romania
| | - Aida Petca
- Department of Obstetrics and Gynecology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Obstetrics and Gynecology, ‘Elias’ Emergency Hospital, 022461 Bucharest, Romania
| | - Mihai Cristian Dumitrascu
- Department of Obstetrics and Gynecology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Obstetrics and Gynecology, University Emergency Hospital Bucharest, 050098 Bucharest, Romania
| | - Razvan-Cosmin Petca
- Department of Urology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Urology, ‘Prof. Dr. Theodor Burghele’ Clinical Hospital, 061344 Bucharest, Romania
| | - Mara Carsote
- Department of Endocrinology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Endocrinology, ‘C. I. Parhon’ National Institute of Endocrinology, 011863 Bucharest, Romania
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Luna Yolba R, Visentin V, Hervé C, Chiche J, Ricci J, Méneyrol J, Paillasse MR, Alet N. EVT-701 is a novel selective and safe mitochondrial complex 1 inhibitor with potent anti-tumor activity in models of solid cancers. Pharmacol Res Perspect 2021; 9:e00854. [PMID: 34478236 PMCID: PMC8415080 DOI: 10.1002/prp2.854] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 12/01/2022] Open
Abstract
Targeting the first protein complex of the mitochondrial electron transport chain (MC1) in cancer has become an attractive therapeutic approach in the recent years, given the metabolic vulnerabilities of cancer cells. The anticancer effect exerted by the pleiotropic drug metformin and the associated reduction in hypoxia-inducible factor 1α (HIF-1α) levels putatively mediated by MC1 inhibition led to the development of HIF-1α inhibitors, such as BAY87-2243, with a more specific MC1 targeting. However, the development of BAY87-2243 was stopped early in phase 1 due to dose-independent emesis and thus there is still no clinical proof of concept for the approach. Given the importance of mitochondrial metabolism during cancer progression, there is still a strong therapeutic need to develop specific and safe MC1 inhibitors. We recently reported the synthesis of compounds with a novel chemotype and potent action on HIF-1α degradation and MC1 inhibition. We describe here the selectivity, safety profile and anti-cancer activity in solid tumors of lead compound EVT-701. In addition, using murine models of lung cancer and of Non-Hodgkin's B cell lymphoma we demonstrated that EVT-701 reduced tumor growth and lymph node invasion when used as a single agent therapy. LKB1 deficiency in lung cancer was identified as a potential indicator of accrued sensitivity to EVT-701, allowing stratification and selection of patients in clinical trials. Altogether these results support further evaluation of EVT-701 alone or in combination in preclinical models and eventually in patients.
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Affiliation(s)
| | | | | | - Johanna Chiche
- C3MINSERMUniversité Côte d'Azur, Equipe labellisée Ligue Contre le CancerNiceFrance
| | - Jean‐Ehrland Ricci
- C3MINSERMUniversité Côte d'Azur, Equipe labellisée Ligue Contre le CancerNiceFrance
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Abstract
This Review focuses on the mechanistic evidence for a link between obesity, dysregulated cellular metabolism and breast cancer. Strong evidence now links obesity with the development of 13 different types of cancer, including oestrogen receptor-positive breast cancer in postmenopausal women. A number of local and systemic changes are hypothesized to support this relationship, including increased circulating levels of insulin and glucose as well as adipose tissue-derived oestrogens, adipokines and inflammatory mediators. Metabolic pathways of energy production and utilization are dysregulated in tumour cells and this dysregulation is a newly accepted hallmark of cancer. Dysregulated metabolism is also hypothesized to be a feature of non-neoplastic cells in the tumour microenvironment. Obesity-associated factors regulate metabolic pathways in both breast cancer cells and cells in the breast microenvironment, which provides a molecular link between obesity and breast cancer. Consequently, interventions that target these pathways might provide a benefit in postmenopausal women and individuals with obesity, a population at high risk of breast cancer.
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Affiliation(s)
- Kristy A Brown
- Sandra and Edward Meyer Cancer Center and Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
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