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Bel’skaya LV, Sarf EA, Solomatin DV. Free Salivary Amino Acid Profile in Breast Cancer: Clinicopathological and Molecular Biological Features. Curr Issues Mol Biol 2024; 46:5614-5631. [PMID: 38921007 PMCID: PMC11202888 DOI: 10.3390/cimb46060336] [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: 05/16/2024] [Revised: 05/30/2024] [Accepted: 06/04/2024] [Indexed: 06/27/2024] Open
Abstract
The study of salivary amino acid profiles has attracted the attention of researchers, since amino acids are actively involved in most metabolic processes, including breast cancer. In this study, we analyzed the amino acid profile of saliva in a sample including all molecular biological subtypes of breast cancer to obtain a more complete picture and evaluate the potential utility of individual amino acids or their combinations for diagnostic purposes. This study included 116 patients with breast cancer, 24 patients with benign breast disease, and 25 healthy controls. From all patients, strictly before the start of treatment, saliva samples were collected, and the quantitative content of 26 amino acids was determined. Statistically significant differences between the three groups are shown in the content of Asp, Gly, Leu + Ile, Orn, Phe, Pro, Thr, and Tyr. To differentiate the three groups from each other, a decision tree was built. To construct it, we selected those amino acids for which the change in concentrations in the subgroups was multidirectional (GABA, Hyl, Arg, His, Pro, and Car). For the first time, it is shown that the amino acid profile of saliva depends on the molecular biological subtype of breast cancer. The most significant differences are shown for the luminal B HER2-positive and TNBC subgroups. In our opinion, it is critically important to consider the molecular biological subtype of breast cancer when searching for potential diagnostic markers.
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Affiliation(s)
- Lyudmila V. Bel’skaya
- Biochemistry Research Laboratory, Omsk State Pedagogical University, 644099 Omsk, Russia;
| | - Elena A. Sarf
- Biochemistry Research Laboratory, Omsk State Pedagogical University, 644099 Omsk, Russia;
| | - Denis V. Solomatin
- Department of Mathematics and Mathematics Teaching Methods, Omsk State Pedagogical University, 644099 Omsk, Russia;
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2
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Xie Y, Wu Y, Tao Q, Chen Y, Zeng C. Causal effects of circulating glutamine on colitis, IBD, and digestive system cancers: a Mendelian randomisation study. J Cancer 2024; 15:3738-3749. [PMID: 38911392 PMCID: PMC11190753 DOI: 10.7150/jca.96085] [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: 03/08/2024] [Accepted: 05/01/2024] [Indexed: 06/25/2024] Open
Abstract
Backgrounds: There is growing evidence linking glutamine levels to the risk of gastrointestinal diseases, yet the presence of a causal relationship remains uncertain. In this study, we employed a Mendelian randomization (MR) approach to investigate potential causal associations between glutamine and colitis, inflammatory bowel disease (IBD), and digestive tumors. Methods: Genetic instrumental variables for glutamine exposure were identified from a genome-wide association study (GWAS) involving 114,751 participants. We pooled statistics from GWAS of gastrointestinal diseases in European populations, encompassing colitis (cases=1193, controls=461,740), IBD (cases=31,665, controls=33,977), Crohn's disease (cases=17,897, controls=33,977), ulcerative colitis (cases=1,239, controls=990), oesophageal cancer (cases=740, controls=372,016), gastric cancer (cases=6,563, controls=195,745), liver cell carcinoma (cases=168, controls=372,016), hepatic bile duct cancer (cases=418, controls=159,201), pancreatic cancer (cases=1,196, controls=475,049), and colon cancer (cases=1,494, controls=461,439). To ensure the validity of our findings, we utilized several analytical approaches including inverse variance weighted, weighted median, weighted mode, MR-Egger, and simple mode method. Results: Using the IVW method, we found that glutamine levels were inversely associated with colon cancer (OR = 0.998; 95% CI: 0.997-1.000; P = 0.027), colitis (OR = 0.998; 95% CI: 0.997-1.000; P = 0.020), and IBD (OR = 0.551; 95% CI: 0.343-0.886; P = 0.014). Subgroup analysis revealed a negative association between glutamine and Crohn's disease (OR = 0.375; 95% CI: 0.253-0.557; P = 1.11E-06), but not with ulcerative colitis (OR = 0.508; 95% CI: 0.163-1.586; P = 0.244). Glutamine levels showed no significant correlation with oesophageal cancer (OR = 1.000; 95% CI: 0.999-1.001; P = 0.566), gastric cancer (OR = 0.966; 95% CI: 0.832-1.121; P = 0.648), liver cell carcinoma (OR = 1.000; 95% CI: 0.999-1.000; P = 0.397), hepatic bile duct cancer (OR = 0.819; 95% CI: 0.499-1.344; P = 0.430), and pancreatic cancer (OR = 1.130; 95% CI: 0.897-1.423; P = 0.301). Sensitivity analyses also supports this finding, affirming the reliability and robustness of our study. Conclusions: This study suggests that blood glutamine levels in European populations may lower the risk of colon cancer, colitis, and IBD, particularly Crohn's disease. Nevertheless, additional research involving a diverse range of ancestries is imperative to corroborate this causal relationship.
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Affiliation(s)
- Yang Xie
- Department of Gastroenterology, digestive disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang China
| | - Yonghui Wu
- Department of Gastroenterology, digestive disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang China
| | - Qing Tao
- Department of Gastroenterology, digestive disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang China
| | - Youxiang Chen
- Department of Gastroenterology, digestive disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang China
- Jiangxi Clinical Research Center for Gastroenterology, Nanchang, Jiangxi, China
| | - Chunyan Zeng
- Department of Gastroenterology, digestive disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang China
- Jiangxi Clinical Research Center for Gastroenterology, Nanchang, Jiangxi, China
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3
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Bel’skaya LV, Dyachenko EI. Oxidative Stress in Breast Cancer: A Biochemical Map of Reactive Oxygen Species Production. Curr Issues Mol Biol 2024; 46:4646-4687. [PMID: 38785550 PMCID: PMC11120394 DOI: 10.3390/cimb46050282] [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: 04/05/2024] [Revised: 05/08/2024] [Accepted: 05/11/2024] [Indexed: 05/25/2024] Open
Abstract
This review systematizes information about the metabolic features of breast cancer directly related to oxidative stress. It has been shown those redox changes occur at all levels and affect many regulatory systems in the human body. The features of the biochemical processes occurring in breast cancer are described, ranging from nonspecific, at first glance, and strictly biochemical to hormone-induced reactions, genetic and epigenetic regulation, which allows for a broader and deeper understanding of the principles of oncogenesis, as well as maintaining the viability of cancer cells in the mammary gland. Specific pathways of the activation of oxidative stress have been studied as a response to the overproduction of stress hormones and estrogens, and specific ways to reduce its negative impact have been described. The diversity of participants that trigger redox reactions from different sides is considered more fully: glycolytic activity in breast cancer, and the nature of consumption of amino acids and metals. The role of metals in oxidative stress is discussed in detail. They can act as both co-factors and direct participants in oxidative stress, since they are either a trigger mechanism for lipid peroxidation or capable of activating signaling pathways that affect tumorigenesis. Special attention has been paid to the genetic and epigenetic regulation of breast tumors. A complex cascade of mechanisms of epigenetic regulation is explained, which made it possible to reconsider the existing opinion about the triggers and pathways for launching the oncological process, the survival of cancer cells and their ability to localize.
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Affiliation(s)
- Lyudmila V. Bel’skaya
- Biochemistry Research Laboratory, Omsk State Pedagogical University, 644099 Omsk, Russia;
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4
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Jiang Q, Li Y, Cai S, Shi X, Yang Y, Xing Z, He Z, Wang S, Su Y, Chen M, Chen Z, Shi Z. GLUL stabilizes N-Cadherin by antagonizing β-Catenin to inhibit the progresses of gastric cancer. Acta Pharm Sin B 2024; 14:698-711. [PMID: 38322340 PMCID: PMC10840430 DOI: 10.1016/j.apsb.2023.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 09/25/2023] [Accepted: 11/06/2023] [Indexed: 02/08/2024] Open
Abstract
Glutamate-ammonia ligase (GLUL, also known as glutamine synthetase) is a crucial enzyme that catalyzes ammonium and glutamate into glutamine in the ATP-dependent condensation. Although GLUL plays a critical role in multiple cancers, the expression and function of GLUL in gastric cancer remain unclear. In the present study, we have found that the expression level of GLUL was significantly lower in gastric cancer tissues compared with adjacent normal tissues, and correlated with N stage and TNM stage, and low GLUL expression predicted poor survival for gastric cancer patients. Knockdown of GLUL promoted the growth, migration, invasion and metastasis of gastric cancer cells in vitro and in vivo, and vice versa, which was independent of its enzyme activity. Mechanistically, GLUL competed with β-Catenin to bind to N-Cadherin, increased the stability of N-Cadherin and decreased the stability of β-Catenin by alerting their ubiquitination. Furthermore, there were lower N-Cadherin and higher β-Catenin expression levels in gastric cancer tissues compared with adjacent normal tissues. GLUL protein expression was correlated with that of N-Cadherin, and could be the independent prognostic factor in gastric cancer. Our findings reveal that GLUL stabilizes N-Cadherin by antagonizing β-Catenin to inhibit the progress of gastric cancer.
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Affiliation(s)
- Qiwei Jiang
- Department of Cell Biology & Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, Guangdong Provincial Key Laboratory of Bioengineering Medicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yong Li
- Department of Gastrointestinal Surgery & General Surgery, the Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - Songwang Cai
- Department of Thoracic Surgery, The First Affiliated Hospital of Jinan University, Guangzhou 510632, China
| | - Xingyuan Shi
- Department of Radiation Oncology, The Fifth Hospital of Guangzhou Medical University, Guangzhou 510150, China
| | - Yang Yang
- Department of Cell Biology & Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, Guangdong Provincial Key Laboratory of Bioengineering Medicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Zihao Xing
- Department of Cell Biology & Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, Guangdong Provincial Key Laboratory of Bioengineering Medicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Zhenjie He
- Department of Cell Biology & Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, Guangdong Provincial Key Laboratory of Bioengineering Medicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Shengte Wang
- Department of Cell Biology & Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, Guangdong Provincial Key Laboratory of Bioengineering Medicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yubin Su
- Department of Cell Biology & Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, Guangdong Provincial Key Laboratory of Bioengineering Medicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Meiwan Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau 519000, China
| | - Zhesheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Zhi Shi
- Department of Cell Biology & Institute of Biomedicine, National Engineering Research Center of Genetic Medicine, State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, Guangdong Provincial Key Laboratory of Bioengineering Medicine, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
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5
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Elmetwalli A, Nageh A, Youssef AI, Youssef M, Ahmed MAER, Noreldin AE, El-Sewedy T. Ammonia scavenger and glutamine synthetase inhibitors cocktail in targeting mTOR/β-catenin and MMP-14 for nitrogen homeostasis and liver cancer. Med Oncol 2023; 41:38. [PMID: 38157146 DOI: 10.1007/s12032-023-02250-z] [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: 10/08/2023] [Accepted: 11/12/2023] [Indexed: 01/03/2024]
Abstract
The glutamine synthetase (GS) facilitates cancer cell growth by catalyzing de novo glutamine synthesis. This enzyme removes ammonia waste from the liver following the urea cycle. Since cancer development is associated with dysregulated urea cycles, there has been no investigation of GS's role in ammonia clearance. Here, we demonstrate that, although GS expression is increased in the setting of β-catenin oncogenic activation, it is insufficient to clear the ammonia waste burden due to the dysregulated urea cycle and may thus be unable to prevent cancer formation. In vivo study, a total of 165 male Swiss albino mice allocated in 11 groups were used, and liver cancer was induced by p-DAB. The activity of GS was evaluated along with the relative expression of mTOR, β-catenin, MMP-14, and GS genes in liver samples and HepG2 cells using qRT-PCR. Moreover, the cytotoxicity of the NH3 scavenger phenyl acetate (PA) and/or GS-inhibitor L-methionine sulfoximine (MSO) and the migratory potential of cells was assessed by MTT and wound healing assays, respectively. The Swiss target prediction algorithm was used to screen the mentioned compounds for probable targets. The treatment of the HepG2 cell line with PA plus MSO demonstrated strong cytotoxicity. The post-scratch remaining wound area (%) in the untreated HepG2 cells was 2.0%. In contrast, the remaining wound area (%) in the cells treated with PA, MSO, and PA + MSO for 48 h was 61.1, 55.8, and 78.5%, respectively. The combination of the two drugs had the greatest effect, resulting in the greatest decrease in the GS activity, β-catenin, and mTOR expression. MSO and PA are both capable of suppressing mTOR, a key player in the development of HCC, and MMP-14, a key player in the development of HCC. PA inhibited the MMP-14 enzyme more effectively than MSO, implying that PA might be a better way to target HCC as it inhibited MMP-14 more effectively than MSO. A large number of abnormal hepatocytes (5%) were found to be present in the HCC mice compared to mice in the control group as determined by the histopathological lesions scores. In contrast, PA, MSO, and PA + MSO showed a significant reduction in the hepatic lesions score either when protecting the liver or when treating the liver. The molecular docking study indicated that PA and MSO form a three-dimensional structure with NF-κB and COX-II, blocking their ability to promote cancer and cause gene mutations. PA and MSO could be used to manipulate GS activities to modulate ammonia levels, thus providing a potential treatment for ammonia homeostasis.
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Affiliation(s)
- Alaa Elmetwalli
- Department of Clinical Trial Research Unit and Drug Discovery, Egyptian Liver Research Institute and Hospital (ELRIAH), Mansoura, Egypt.
- Microbiology Division, Higher Technological Institute of Applied Health Sciences, Egyptian Liver Research Institute and Hospital (ELRIAH), Mansoura, Egypt.
| | - Aly Nageh
- Fertility and Assisted Reproductive Techniques Unit, International Teaching Hospital, Tanta University, Tanta, Egypt
| | - Amany I Youssef
- Department of Applied Medical Chemistry, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Magda Youssef
- Department of Histochemistry and Cell Biology, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Mohamed Abd El-Rahman Ahmed
- Department of Clinical Pathology, Military Medical Academy, Alexandria Armed Forces Hospitals, Alexandria, Egypt
| | - Ahmed E Noreldin
- Department of Histology and Cytology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, Egypt
| | - Tarek El-Sewedy
- Department of Applied Medical Chemistry, Medical Research Institute, Alexandria University, Alexandria, Egypt
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6
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Zhang K, Liang H. Genetic estimation of correlations between circulating glutamine and cancer. Am J Cancer Res 2023; 13:6072-6089. [PMID: 38187059 PMCID: PMC10767347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 11/02/2023] [Indexed: 01/09/2024] Open
Abstract
The controversy regarding the causal relationship between circulating glutamine and cancer risk remains unresolved. Here, we aim to assess the causal impact of glutamine on the risk of six prevalent cancer types and their respective subtypes including breast, lung, ovarian, thyroid, prostate, and endometrial cancers. A Mendelian randomization (MR) analysis was conducted to evaluate the causal effect of circulating glutamine on cancers risk. Data on circulating glutamine were extracted from the UK Biobank (UKB), comprising 114,750 European patients. To ensure the validity of our findings, we employed several analytical approaches, such as inverse variance weighting, weighted median, weighted mode test, MR-Egger regression, and MR-PRESSO method. Both univariable and multivariable MR analyses were conducted. Additionally, we employed a large-scale summary-level study on circulating glutamine involving 24,925 European participants for validation purposes. Our MR analysis reveals a causal association between circulating glutamine and thyroid cancer in both the UKB cohort (IVW: OR = 0.667, 95% CI [0.541-0.822], P = 1.52×10-4) and the validated cohort (IVW: OR = 0.577, 95% CI [0.421-0.790], P = 6.14×10-4). Sensitivity analysis, including multivariable MR analyses, consistently supports this finding (P < 0.05), affirming the reliability and robustness of our study. Our findings indicate an inverse correlation between circulating glutamine and the incidence of thyroid cancer in European populations. However, further research encompassing diverse ancestries is necessary to validate this causal relationship.
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Affiliation(s)
- Kai Zhang
- Department of Intensive Care Unit, Xi'an No. 3 Hospital, The Affiliated Hospital of Northwest University Xi'an 710018, Shaanxi, P. R. China
| | - Hongjin Liang
- Department of Intensive Care Unit, Xi'an No. 3 Hospital, The Affiliated Hospital of Northwest University Xi'an 710018, Shaanxi, P. R. China
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7
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Jia Y, Zou K, Zou L. Research progress of metabolomics in cervical cancer. Eur J Med Res 2023; 28:586. [PMID: 38093395 PMCID: PMC10717910 DOI: 10.1186/s40001-023-01490-z] [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: 12/08/2022] [Accepted: 10/30/2023] [Indexed: 12/17/2023] Open
Abstract
INTRODUCTION Cervical cancer threatens women's health seriously. In recent years, the incidence of cervical cancer is on the rise, and the age of onset tends to be younger. Prevention, early diagnosis and specific treatment have become the main means to change the prognosis of cervical cancer patients. Metabolomics research can directly reflect the changes of biochemical processes and microenvironment in the body, which can provide a comprehensive understanding of the changes of metabolites in the process of disease occurrence and development, and provide new ways for the prevention and diagnosis of diseases. OBJECTIVES The aim of this study is to review the metabolic changes in cervical cancer and the application of metabolomics in the diagnosis and treatment. METHODS PubMed, Web of Science, Embase and Scopus electronic databases were systematically searched for relevant studies published up to 2022. RESULTS With the emergence of metabolomics, metabolic regulation and cancer research are further becoming a focus of attention. By directly reflecting the changes in the microenvironment of the body, metabolomics research can provide a comprehensive understanding of the patterns of metabolites in the occurrence and development of diseases, thus providing new ideas for disease prevention and diagnosis. CONCLUSION With the continuous, in-depth research on metabolomics research technology, it will bring more benefits in the screening, diagnosis and treatment of cervical cancer with its advantages of holistic and dynamic nature.
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Affiliation(s)
- Yuhan Jia
- Department of Radiotherapy, The Second Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Kun Zou
- Department of Radiotherapy, The First Hospital of Dalian Medical University, Dalian, Liaoning Province, China.
| | - Lijuan Zou
- Department of Radiotherapy, The Second Hospital of Dalian Medical University, Dalian, Liaoning Province, China.
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8
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Ling T, Li S, Chen H, Wang Q, Shi J, Li Y, Bao W, Liang K, Piao HL. Lysine-372-dependent SUMOylation inhibits the enzymatic activity of glutamine synthases. FASEB J 2023; 37:e23319. [PMID: 38010918 DOI: 10.1096/fj.202301462rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/20/2023] [Accepted: 11/06/2023] [Indexed: 11/29/2023]
Abstract
Glutamine synthetase (GS) is a crucial enzyme involved in de novo synthesis of glutamine and participates in several biological processes, including nitrogen metabolism, nucleotide synthesis, and amino acid synthesis. Post-translational modification makes GS more adaptable to the needs of cells, and acetylation modification of GS at double sites has attracted considerable attention. Despite very intensive research, how SUMOylation affects GS activity at a molecular level remains unclear. Here, we report that previously undiscovered GS SUMOylation which is deficient mutant K372R of GS exhibits more bluntness under glutamine starvation. Mechanistically, glutamine deprivation triggers the GS SUMOylation, and this SUMOylation impaired the protein stability of GS, within a concomitant decrease in enzymatic activity. In addition, we identified SAE1, Ubc9, and PIAS1 as the assembly enzymes of GS SUMOylation respectively. Furthermore, Senp1/2 functions as a SUMO-specific protease to reverse the SUMOylation of GS. This study provides the first evidence that SUMOylation serves as a regulatory mechanism for determining the GS enzymatic activity, contributing to understanding the GS regulation roles in various cellular and pathophysiological processes.
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Affiliation(s)
- Ting Ling
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Department of analytical chemistry, University of Chinese Academy of Sciences, Beijing, China
| | - Siyi Li
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Cancer Research Institute, Department of Thoracic Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, China
| | - Huan Chen
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Qiuping Wang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Jing Shi
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Department of Biochemistry & Molecular Biology, School of Life Sciences, China Medical University, Shenyang, China
| | - Yirong Li
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Department of analytical chemistry, University of Chinese Academy of Sciences, Beijing, China
| | - Wenjun Bao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Department of analytical chemistry, University of Chinese Academy of Sciences, Beijing, China
| | - Kunming Liang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Department of Biochemistry & Molecular Biology, School of Life Sciences, China Medical University, Shenyang, China
| | - Hai-Long Piao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- Department of analytical chemistry, University of Chinese Academy of Sciences, Beijing, China
- Cancer Research Institute, Department of Thoracic Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, China
- Department of Biochemistry & Molecular Biology, School of Life Sciences, China Medical University, Shenyang, China
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9
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Zheng Y, Yao Y, Ge T, Ge S, Jia R, Song X, Zhuang A. Amino acid metabolism reprogramming: shedding new light on T cell anti-tumor immunity. J Exp Clin Cancer Res 2023; 42:291. [PMID: 37924140 PMCID: PMC10623764 DOI: 10.1186/s13046-023-02845-4] [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: 08/26/2023] [Accepted: 09/28/2023] [Indexed: 11/06/2023] Open
Abstract
Metabolic reprogramming of amino acids has been increasingly recognized to initiate and fuel tumorigenesis and survival. Therefore, there is emerging interest in the application of amino acid metabolic strategies in antitumor therapy. Tremendous efforts have been made to develop amino acid metabolic node interventions such as amino acid antagonists and targeting amino acid transporters, key enzymes of amino acid metabolism, and common downstream pathways of amino acid metabolism. In addition to playing an essential role in sustaining tumor growth, new technologies and studies has revealed amino acid metabolic reprograming to have wide implications in the regulation of antitumor immune responses. Specifically, extensive crosstalk between amino acid metabolism and T cell immunity has been reported. Tumor cells can inhibit T cell immunity by depleting amino acids in the microenvironment through nutrient competition, and toxic metabolites of amino acids can also inhibit T cell function. In addition, amino acids can interfere with T cells by regulating glucose and lipid metabolism. This crucial crosstalk inspires the exploitation of novel strategies of immunotherapy enhancement and combination, owing to the unprecedented benefits of immunotherapy and the limited population it can benefit. Herein, we review recent findings related to the crosstalk between amino acid metabolism and T cell immunity. We also describe possible approaches to intervene in amino acid metabolic pathways by targeting various signaling nodes. Novel efforts to combine with and unleash potential immunotherapy are also discussed. Hopefully, some strategies that take the lead in the pipeline may soon be used for the common good.
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Affiliation(s)
- Yue Zheng
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China
| | - Yiran Yao
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China
| | - Tongxin Ge
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China
| | - Shengfang Ge
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China
| | - Renbing Jia
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China.
| | - Xin Song
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China.
| | - Ai Zhuang
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China.
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10
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Huang R, Wang H, Hong J, Wu J, Huang O, He J, Chen W, Li Y, Chen X, Shen K, Wang Z. Targeting glutamine metabolic reprogramming of SLC7A5 enhances the efficacy of anti-PD-1 in triple-negative breast cancer. Front Immunol 2023; 14:1251643. [PMID: 37731509 PMCID: PMC10507177 DOI: 10.3389/fimmu.2023.1251643] [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: 07/02/2023] [Accepted: 08/21/2023] [Indexed: 09/22/2023] Open
Abstract
Background Triple-negative breast cancer (TNBC) is a heterogeneous disease that is characterized by metabolic disruption. Metabolic reprogramming and tumor cell immune escape play indispensable roles in the tumorigenesis that leads to TNBC. Methods In this study, we constructed and validated two prognostic glutamine metabolic gene models, Clusters A and B, to better discriminate between groups of TNBC patients based on risk. Compared with the risk Cluster A patients, the Cluster B patients tended to exhibit better survival outcomes and higher immune cell infiltration. In addition, we established a scoring system, the glutamine metabolism score (GMS), to assess the pattern of glutamine metabolic modification. Results We found that solute carrier family 7 member 5 (SLC7A5), an amino acid transporter, was the most important gene and plays a vital role in glutamine metabolism reprogramming in TNBC cells. Knocking down SLC7A5 significantly inhibited human and mouse TNBC cell proliferation, migration, and invasion. In addition, downregulation of SLC7A5 increased CD8+ T-cell infiltration. The combination of a SLC7A5 blockade mediated via JPH203 treatment and an anti-programmed cell death 1 (PD-1) antibody synergistically increased the immune cell infiltration rate and inhibited tumor progression. Conclusions Hence, our results highlight the molecular mechanisms underlying SLC7A5 effects and lead to a better understanding of the potential benefit of targeting glutamine metabolism in combination with immunotherapy as a new therapy for TNBC.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Xiaosong Chen
- Department of General Surgery, Comprehensive Breast Health Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kunwei Shen
- Department of General Surgery, Comprehensive Breast Health Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zheng Wang
- Department of General Surgery, Comprehensive Breast Health Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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11
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Karimpur Zahmatkesh A, Khalaj-Kondori M, Hosseinpour Feizi MA, Baradaran B. GLUL gene knockdown and restricted glucose level show synergistic inhibitory effect on the luminal subtype breast cancer MCF7 cells' proliferation and metastasis. EXCLI JOURNAL 2023; 22:847-861. [PMID: 37780942 PMCID: PMC10539544 DOI: 10.17179/excli2023-6287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 08/07/2023] [Indexed: 10/03/2023]
Abstract
The glutamine synthetase path is one of the most important metabolic pathways in luminal breast cancer cells, which plays a critical role in supplying glutamine as an intermediate in the biosynthesis of amino acids and nucleotides. On the other hand, glycolysis and its dominant substrate, glucose, are the most critical players in cancer metabolism. Accordingly, targeting these two critical paths might be more efficient in luminal-type breast cancer treatment. MCF7 cells were cultivated in media containing 4.5, 2, and 1 g/L glucose to study its effects on GLUL (Glutamate Ammonia Ligase) expression. Followingly, high and low glucose cell cultures were transfected with 220 pM of siGLUL and incubated for 48 h at 37 ºC. The cell cycle progression and apoptosis were monitored and assessed by flow cytometry. Expression of GLUL, known as glutamine synthetase, was evaluated in mRNA and protein levels by qRT-PCR and western blotting, respectively. To examine the migration and invasion capacity of studied cells exploited from wound healing assay and subsequent expression studies of glutathione-S-transferase Mu3 (GSTM3) and alfa-enolase (ENO1). Expression of GLUL significantly decreased in cells cultured at lower glucose levels compared to those at higher glucose levels. siRNA-mediated knockdown of GLUL expression in low glucose cultures significantly reduced growth, proliferation, migration, and invasion of the MCF7 cells and enhanced their apoptosis compared to the controls. Based on the results, GLUL suppression down-regulated GSTM3, a main detoxifying enzyme, and up-regulated Bax. According to the role of glycolysis as a ROS suppressor, decreased amounts of glucose could be associated with increased ROS; it can be considered an efficient involved mechanism in this study. Also, increased expression of Bax could be attributable to mTOR/AKT inhibition following GLUL repression. In conclusion, utilizing GLUL and glycolysis inhibitors might be a more effective strategy in luminal-type breast cancer therapy. See also Figure 1(Fig. 1).
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Affiliation(s)
| | - Mohammad Khalaj-Kondori
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | | | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz
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12
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Hwang Y, Yun HJ, Jeong JW, Kim M, Joo S, Lee HK, Chang HS, Kim SM, Fang S. Co-inhibition of glutaminolysis and one-carbon metabolism promotes ROS accumulation leading to enhancement of chemotherapeutic efficacy in anaplastic thyroid cancer. Cell Death Dis 2023; 14:515. [PMID: 37573361 PMCID: PMC10423221 DOI: 10.1038/s41419-023-06041-2] [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: 03/03/2023] [Revised: 07/28/2023] [Accepted: 08/03/2023] [Indexed: 08/14/2023]
Abstract
Anaplastic thyroid cancer (ATC) is one of the most aggressive tumors with an extremely poor prognosis. Based on the several biological features related to glutamine metabolism in ATC, we hypothesized glutaminolysis inhibition induces cell death in ATC cells. However, glutamine metabolism inhibition triggered cell growth arrest independent of cell death in ATC, suggesting that other signaling pathways avoid glutamine metabolism inhibition-induced stress exist. To investigate the functional mechanism against glutamine metabolism inhibition, we conducted mRNA and ATAC-Sequencing data analysis and found that glutamine deprivation increased ATF4-mediated one-carbon metabolism. When we inhibited PHGDH, the first rate-limiting enzyme for one-carbon metabolism, cell growth arrest was promoted upon glutamine metabolism inhibition by accumulating intracellular ROS. We next observed that the co-inhibition of glutamine and one-carbon metabolism could augment the anticancer effects of drugs used in patients with ATC. Finally, single-cell RNA sequencing analysis revealed that one-carbon metabolism was strengthened through the evolutionary process from PTC to ATC. Collectively, our data demonstrate that one-carbon metabolism has a potential role of modulation of cell fate in metabolic stress and can be a therapeutic target for enhancing antitumor effects in ATC.
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Affiliation(s)
- Yeseong Hwang
- Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, Korea
| | - Hyeok Jun Yun
- Department of Surgery, Thyroid Cancer Center, Institute of Refractory Thyroid Cancer, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Woong Jeong
- Department of Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Minki Kim
- Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, Korea
| | - Seyeon Joo
- Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, Korea
| | - Hae-Kyung Lee
- Severance Biomedical Science Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Hang-Seok Chang
- Department of Surgery, Thyroid Cancer Center, Institute of Refractory Thyroid Cancer, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Seok-Mo Kim
- Department of Surgery, Thyroid Cancer Center, Institute of Refractory Thyroid Cancer, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
| | - Sungsoon Fang
- Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, Korea.
- Severance Biomedical Science Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
- Chronic Intractable Disease for Systems Medicine Research Center, Yonsei University College of Medicine, Seoul, Korea.
- Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, Korea.
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13
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Martino F, Lupi M, Giraudo E, Lanzetti L. Breast cancers as ecosystems: a metabolic perspective. Cell Mol Life Sci 2023; 80:244. [PMID: 37561190 PMCID: PMC10415483 DOI: 10.1007/s00018-023-04902-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/18/2023] [Accepted: 07/28/2023] [Indexed: 08/11/2023]
Abstract
Breast cancer (BC) is the most frequently diagnosed cancer and one of the major causes of cancer death. Despite enormous progress in its management, both from the therapeutic and early diagnosis viewpoints, still around 700,000 patients succumb to the disease each year, worldwide. Late recurrency is the major problem in BC, with many patients developing distant metastases several years after the successful eradication of the primary tumor. This is linked to the phenomenon of metastatic dormancy, a still mysterious trait of the natural history of BC, and of several other types of cancer, by which metastatic cells remain dormant for long periods of time before becoming reactivated to initiate the clinical metastatic disease. In recent years, it has become clear that cancers are best understood if studied as ecosystems in which the impact of non-cancer-cell-autonomous events-dependent on complex interaction between the cancer and its environment, both local and systemic-plays a paramount role, probably as significant as the cell-autonomous alterations occurring in the cancer cell. In adopting this perspective, a metabolic vision of the cancer ecosystem is bound to improve our understanding of the natural history of cancer, across space and time. In BC, many metabolic pathways are coopted into the cancer ecosystem, to serve the anabolic and energy demands of the cancer. Their study is shedding new light on the most critical aspect of BC management, of metastatic dissemination, and that of the related phenomenon of dormancy and fostering the application of the knowledge to the development of metabolic therapies.
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Affiliation(s)
- Flavia Martino
- Department of Oncology, University of Torino Medical School, Turin, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
| | - Mariadomenica Lupi
- Department of Oncology, University of Torino Medical School, Turin, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
| | - Enrico Giraudo
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Science and Drug Technology, University of Torino, Turin, Italy
| | - Letizia Lanzetti
- Department of Oncology, University of Torino Medical School, Turin, Italy.
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy.
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14
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Taurino G, Chiu M, Bianchi MG, Griffini E, Bussolati O. The SLC38A5/SNAT5 amino acid transporter: from pathophysiology to pro-cancer roles in the tumor microenvironment. Am J Physiol Cell Physiol 2023; 325:C550-C562. [PMID: 37458433 DOI: 10.1152/ajpcell.00169.2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/11/2023] [Accepted: 07/11/2023] [Indexed: 08/09/2023]
Abstract
SLC38A5/SNAT5 is a system N transporter that can mediate net inward or outward transmembrane fluxes of neutral amino acids coupled with Na+ (symport) and H+ (antiport). Its preferential substrates are not only amino acids with side chains containing amide (glutamine and asparagine) or imidazole (histidine) groups, but also serine, glycine, and alanine are transported by the carrier. Expressed in the pancreas, intestinal tract, brain, liver, bone marrow, and placenta, it is regulated at mRNA and protein levels by mTORC1 and WNT/β-catenin pathways, and it is sensitive to pH, nutritional stress, inflammation, and hypoxia. SNAT5 expression has been found to be altered in pathological conditions such as chronic inflammatory diseases, gestational complications, chronic metabolic acidosis, and malnutrition. Growing experimental evidence shows that SNAT5 is overexpressed in several types of cancer cells. Moreover, recently published results indicate that SNAT5 expression in stromal cells can support the metabolic exchanges occurring in the tumor microenvironment of asparagine-auxotroph tumors. We review the functional role of the SNAT5 transporter in pathophysiology and propose that, due to its peculiar operational and regulatory features, SNAT5 may play important pro-cancer roles when expressed either in neoplastic or in stromal cells of glutamine-auxotroph tumors.NEW & NOTEWORTHY The transporter SLC38A5/SNAT5 provides net influx or efflux of glutamine, asparagine, and serine. These amino acids are of particular metabolic relevance in several conditions. Changes in transporter expression or activity have been described in selected types of human cancers, where SNAT5 can mediate amino acid exchanges between tumor and stromal cells, thus providing a potential therapeutic target. This is the first review that recapitulates the characteristics and roles of the transporter in physiology and pathology.
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Affiliation(s)
- Giuseppe Taurino
- Laboratory of General Pathology, Department of Medicine and Surgery, University of Parma, Parma, Italy
- MRH-Microbiome Research Hub, University of Parma, Parma, Italy
| | - Martina Chiu
- Laboratory of General Pathology, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Massimiliano G Bianchi
- Laboratory of General Pathology, Department of Medicine and Surgery, University of Parma, Parma, Italy
- MRH-Microbiome Research Hub, University of Parma, Parma, Italy
| | - Erika Griffini
- Laboratory of General Pathology, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Ovidio Bussolati
- Laboratory of General Pathology, Department of Medicine and Surgery, University of Parma, Parma, Italy
- MRH-Microbiome Research Hub, University of Parma, Parma, Italy
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15
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Moldovan OL, Sandulea A, Lungu IA, Gâz ȘA, Rusu A. Identification of Some Glutamic Acid Derivatives with Biological Potential by Computational Methods. Molecules 2023; 28:molecules28104123. [PMID: 37241864 DOI: 10.3390/molecules28104123] [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: 03/18/2023] [Revised: 05/07/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Glutamic acid is a non-essential amino acid involved in multiple metabolic pathways. Of high importance is its relationship with glutamine, an essential fuel for cancer cell development. Compounds that can modify glutamine or glutamic acid behaviour in cancer cells have resulted in attractive anticancer therapeutic alternatives. Based on this idea, we theoretically formulated 123 glutamic acid derivatives using Biovia Draw. Suitable candidates for our research were selected among them. For this, online platforms and programs were used to describe specific properties and their behaviour in the human organism. Nine compounds proved to have suitable or easy to optimise properties. The selected compounds showed cytotoxicity against breast adenocarcinoma, lung cancer cell lines, colon carcinoma, and T cells from acute leukaemia. Compound 2Ba5 exhibited the lowest toxicity, and derivative 4Db6 exhibited the most intense bioactivity. Molecular docking studies were also performed. The binding site of the 4Db6 compound in the glutamine synthetase structure was determined, with the D subunit and cluster 1 being the most promising. In conclusion, glutamic acid is an amino acid that can be manipulated very easily. Therefore, molecules derived from its structure have great potential to become innovative drugs, and further research on these will be conducted.
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Affiliation(s)
- Octavia-Laura Moldovan
- Medicine and Pharmacy Doctoral School, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540142 Targu Mures, Romania
| | - Alexandra Sandulea
- Pharmaceutical and Therapeutic Chemistry Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540142 Targu Mures, Romania
| | - Ioana-Andreea Lungu
- Medicine and Pharmacy Doctoral School, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540142 Targu Mures, Romania
| | - Șerban Andrei Gâz
- Organic Chemistry Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540142 Targu Mures, Romania
| | - Aura Rusu
- Pharmaceutical and Therapeutic Chemistry Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540142 Targu Mures, Romania
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16
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Li S, Zeng H, Fan J, Wang F, Xu C, Li Y, Tu J, Nephew KP, Long X. Glutamine metabolism in breast cancer and possible therapeutic targets. Biochem Pharmacol 2023; 210:115464. [PMID: 36849062 DOI: 10.1016/j.bcp.2023.115464] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 02/17/2023] [Accepted: 02/21/2023] [Indexed: 02/27/2023]
Abstract
Cancer is characterized by metabolic reprogramming, which is a hot topic in tumor treatment research. Cancer cells alter metabolic pathways to promote their growth, and the common purpose of these altered metabolic pathways is to adapt the metabolic state to the uncontrolled proliferation of cancer cells. Most cancer cells in a state of nonhypoxia will increase the uptake of glucose and produce lactate, called the Warburg effect. Increased glucose consumption is used as a carbon source to support cell proliferation, including nucleotide, lipid and protein synthesis. In the Warburg effect, pyruvate dehydrogenase activity decreases, thereby disrupting the TCA cycle. In addition to glucose, glutamine is also an important nutrient for the growth and proliferation of cancer cells, an important carbon bank and nitrogen bank for the growth and proliferation of cancer cells, providing ribose, nonessential amino acids, citrate, and glycerin necessary for cancer cell growth and proliferation and compensating for the reduction in oxidative phosphorylation pathways in cancer cells caused by the Warburg effect. In human plasma, glutamine is the most abundant amino acid. Normal cells produce glutamine via glutamine synthase (GLS), but the glutamine synthesized by tumor cells is insufficient to meet their high growth needs, resulting in a "glutamine-dependent phenomenon." Most cancers have an increased glutamine demand, including breast cancer. Metabolic reprogramming not only enables tumor cells to maintain the reduction-oxidation (redox) balance and commit resources to biosynthesis but also establishes heterogeneous metabolic phenotypes of tumor cells that are distinct from those of nontumor cells. Thus, targeting the metabolic differences between tumor and nontumor cells may be a promising and novel anticancer strategy. Glutamine metabolic compartments have emerged as promising candidates, especially in TNBC and drug-resistant breast cancer. In this review, the latest discoveries of breast cancer and glutamine metabolism are discussed, novel treatment methods based on amino acid transporters and glutaminase are discussed, and the relationship between glutamine metabolism and breast cancer metastasis, drug resistance, tumor immunity and ferroptosis are explained, which provides new ideas for the clinical treatment of breast cancer.
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Affiliation(s)
- Shiqi Li
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Hui Zeng
- Center of Clinical Laboratory, Hangzhou Ninth People's Hospital, Hangzhou, China
| | - Junli Fan
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Fubing Wang
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Chen Xu
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yirong Li
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jiancheng Tu
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Kenneth P Nephew
- Medical Sciences Program, Indiana University, Bloomington, IN, USA.
| | - Xinghua Long
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China.
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17
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Wedam R, Greer YE, Wisniewski DJ, Weltz S, Kundu M, Voeller D, Lipkowitz S. Targeting Mitochondria with ClpP Agonists as a Novel Therapeutic Opportunity in Breast Cancer. Cancers (Basel) 2023; 15:cancers15071936. [PMID: 37046596 PMCID: PMC10093243 DOI: 10.3390/cancers15071936] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Breast cancer is the most frequently diagnosed malignancy worldwide and the leading cause of cancer mortality in women. Despite the recent development of new therapeutics including targeted therapies and immunotherapy, triple-negative breast cancer remains an aggressive form of breast cancer, and thus improved treatments are needed. In recent decades, it has become increasingly clear that breast cancers harbor metabolic plasticity that is controlled by mitochondria. A myriad of studies provide evidence that mitochondria are essential to breast cancer progression. Mitochondria in breast cancers are widely reprogrammed to enhance energy production and biosynthesis of macromolecules required for tumor growth. In this review, we will discuss the current understanding of mitochondrial roles in breast cancers and elucidate why mitochondria are a rational therapeutic target. We will then outline the status of the use of mitochondria-targeting drugs in breast cancers, and highlight ClpP agonists as emerging mitochondria-targeting drugs with a unique mechanism of action. We also illustrate possible drug combination strategies and challenges in the future breast cancer clinic.
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Affiliation(s)
- Rohan Wedam
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Yoshimi Endo Greer
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - David J Wisniewski
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sarah Weltz
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Manjari Kundu
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Donna Voeller
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Stanley Lipkowitz
- Women's Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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18
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Zhou Y, Wang H, Luo Y, Tuo B, Liu X, Li T. Effect of metabolism on the immune microenvironment of breast cancer. Biochim Biophys Acta Rev Cancer 2023; 1878:188861. [PMID: 36813054 DOI: 10.1016/j.bbcan.2023.188861] [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: 09/17/2022] [Revised: 01/16/2023] [Accepted: 01/16/2023] [Indexed: 02/22/2023]
Abstract
Breast cancer (BC) is a highly prevalent primary malignancy worldwide with poor prognosis. Despite the development of aggressive interventions, mortality due to BC remains high. BC cells reprogram nutrient metabolism to adapt to the energy acquisition and progression of the tumor. The metabolic changes in cancer cells are closely related to the abnormal function and effect of immune cells and immune factors, including chemokines, cytokines, and other related effector molecules in the tumor microenvironment (TME), leading to tumor immune escape, whereby the complex crosstalk between immune cells and cancer cells has been considered the key mechanism regulating cancer progression. In this review, we summarized the latest findings on metabolism-related processes in the immune microenvironment during BC progression. Our findings showing the impact of metabolism on the immune microenvironment may suggest new strategies for regulating the immune microenvironment and attenuating BC through metabolic interventions.
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Affiliation(s)
- Yingming Zhou
- Department of General Surgery, Affiliated Hospital of Zunyi Medical University; Department of Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Hu Wang
- Department of General Surgery, Affiliated Hospital of Zunyi Medical University; Department of Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yi Luo
- Department of General Surgery, Affiliated Hospital of Zunyi Medical University; Department of Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Biguang Tuo
- Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University; Department of Gastroenterology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Xuemei Liu
- Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University; Department of Gastroenterology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.
| | - Taolang Li
- Department of General Surgery, Affiliated Hospital of Zunyi Medical University; Department of Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China.
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19
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Pancreatic stellate cells exploit Wnt/β-catenin/TCF7-mediated glutamine metabolism to promote pancreatic cancer cells growth. Cancer Lett 2023; 555:216040. [PMID: 36565920 DOI: 10.1016/j.canlet.2022.216040] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 12/08/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
Pancreatic stellate cells (PSCs) are crucial for metabolism and disease progression in pancreatic ductal adenocarcinoma (PDAC). However, detailed mechanisms of PSCs in glutamine (Gln) metabolism and tumor-stromal metabolic interactions have not been well clarified. Here we showed that tumor tissues displayed Gln deficiency in orthotopic PDAC models. Single-cell RNA sequencing analysis revealed metabolic heterogeneity in PDAC, with significantly higher expression of Gln catabolism pathway in stromal cells. Significantly higher glutamine synthetase (GS) protein expression was further validated in human tissues and cells. Elevated GS levels in tumor and stroma were independently prognostic of poorer prognosis in PDAC patients. Gln secreted by PSCs increased basal oxygen consumption rate in PCCs. Depletion of GS in PSCs significantly decreased PCCs proliferation in vitro and in vivo. Mechanistically, activation of Wnt signaling induced directly binding of β-catenin/TCF7 complex to GS promoter region and upregulated GS expression. Rescue experiments testified that GS overexpression recovered β-catenin knockdown-mediated function on Gln synthesis and tumor-promoting ability of PSCs. Overall, these findings identify the Wnt/β-catenin/TCF7/GS-mediated growth-promoting effect of PSCs and provide new insights into stromal Gln metabolism, which may offer novel therapeutic strategies for PDAC.
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20
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The Relationship between Histological Composition and Metabolic Profile in Breast Tumors and Peritumoral Tissue Determined with 1H HR-MAS NMR Spectroscopy. Cancers (Basel) 2023; 15:cancers15041283. [PMID: 36831625 PMCID: PMC9954108 DOI: 10.3390/cancers15041283] [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: 01/15/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
Breast tumors constitute the complex entities composed of cancer cells and stromal components. The compositional heterogeneity should be taken into account in bulk tissue metabolomics studies. The aim of this work was to find the relation between the histological content and 1H HR-MAS (high-resolution magic angle spinning nuclear magnetic resonance) metabolic profiles of the tissue samples excised from the breast tumors and the peritumoral areas in 39 patients diagnosed with invasive breast carcinoma. The total number of the histologically verified specimens was 140. The classification accuracy of the OPLS-DA (Orthogonal Partial Least Squares Discriminant Analysis) model differentiating the cancerous from non-involved samples was 87% (sensitivity of 72.2%, specificity of 92.3%). The metabolic contents of the epithelial and stromal compartments were determined from a linear regression analysis of the levels of the evaluated compounds against the cancer cell fraction in 39 samples composed mainly of cancer cells and intratumoral fibrosis. The correlation coefficients between the levels of several metabolites and a tumor purity were found to be dependent on the tumor grade (I vs II/III). The comparison of the levels of the metabolites in the intratumoral fibrosis (obtained from the extrapolation of the regression lines to 0% cancer content) to those levels in the fibrous connective tissue beyond the tumors revealed a profound metabolic reprogramming in the former tissue. The joint analysis of the metabolic profiles of the stromal and epithelial compartments in the breast tumors contributes to the increased understanding of breast cancer biology.
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21
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Glutamine Metabolism in Cancer Stem Cells: A Complex Liaison in the Tumor Microenvironment. Int J Mol Sci 2023; 24:ijms24032337. [PMID: 36768660 PMCID: PMC9916789 DOI: 10.3390/ijms24032337] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/19/2023] [Accepted: 01/21/2023] [Indexed: 01/26/2023] Open
Abstract
In this review we focus on the role of glutamine in control of cancer stem cell (CSC) fate. We first provide an overview of glutamine metabolism, and then summarize relevant studies investigating how glutamine metabolism modulates the CSC compartment, concentrating on solid tumors. We schematically describe how glutamine in CSC contributes to several metabolic pathways, such as redox metabolic pathways, ATP production, non-essential aminoacids and nucleotides biosynthesis, and ammonia production. Furthermore, we show that glutamine metabolism is a key regulator of epigenetic modifications in CSC. Finally, we briefly discuss how cancer-associated fibroblasts, adipocytes, and senescent cells in the tumor microenvironment may indirectly influence CSC fate by modulating glutamine availability. We aim to highlight the complexity of glutamine's role in CSC, which supports our knowledge about metabolic heterogeneity within the CSC population.
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22
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Guo L, Kong D, Liu J, Zhan L, Luo L, Zheng W, Zheng Q, Chen C, Sun S. Breast cancer heterogeneity and its implication in personalized precision therapy. Exp Hematol Oncol 2023; 12:3. [PMID: 36624542 PMCID: PMC9830930 DOI: 10.1186/s40164-022-00363-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 12/29/2022] [Indexed: 01/11/2023] Open
Abstract
Breast cancer heterogeneity determines cancer progression, treatment effects, and prognosis. However, the precise mechanism for this heterogeneity remains unknown owing to its complexity. Here, we summarize the origins of breast cancer heterogeneity and its influence on disease progression, recurrence, and therapeutic resistance. We review the possible mechanisms of heterogeneity and the research methods used to analyze it. We also highlight the importance of cell interactions for the origins of breast cancer heterogeneity, which can be further categorized into cooperative and competitive interactions. Finally, we provide new insights into precise individual treatments based on heterogeneity.
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Affiliation(s)
- Liantao Guo
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuchang District, Wuhan, 430060, Hubei, China
| | - Deguang Kong
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuchang District, Wuhan, 430060, Hubei, China
| | - Jianhua Liu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuchang District, Wuhan, 430060, Hubei, China
| | - Ling Zhan
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuchang District, Wuhan, 430060, Hubei, China
| | - Lan Luo
- Department of Breast Surgery, The Affiliated Hospital of Guizhou Medical University, No. 28 Guiyi Road, Yunyan District, Guiyang, 550001, Guizhou, China
| | - Weijie Zheng
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuchang District, Wuhan, 430060, Hubei, China
| | - Qingyuan Zheng
- Department of Urology, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuchang District, Wuhan, 430060, Hubei, China
| | - Chuang Chen
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuchang District, Wuhan, 430060, Hubei, China.
| | - Shengrong Sun
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuchang District, Wuhan, 430060, Hubei, China.
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23
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Zhou R, Choi H, Cao J, Pantel A, Gupta M, Lee HS, Mankoff D. 18F-Fluciclovine PET Imaging of Glutaminase Inhibition in Breast Cancer Models. J Nucl Med 2023; 64:131-136. [PMID: 35772960 PMCID: PMC9841257 DOI: 10.2967/jnumed.122.264152] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/21/2022] [Accepted: 06/21/2022] [Indexed: 01/28/2023] Open
Abstract
Aggressive cancers such as triple-negative breast cancer (TNBC) avidly metabolize glutamine as a feature of their malignant phenotype. The conversion of glutamine to glutamate by the glutaminase enzyme represents the first and rate-limiting step of this pathway and a target for drug development. Indeed, a novel glutaminase inhibitor (GLSi) has been developed and tested in clinical trials but with limited success, suggesting the potential for a biomarker to select patients who could benefit from this novel therapy. Here, we studied a nonmetabolized amino acid analog, 18F-fluciclovine, as a PET imaging biomarker for detecting the pharmacodynamic response to GLSi. Methods: Uptake of 18F-fluciclovine into human breast cancer cells was studied in the presence and absence of inhibitors of glutamine transporters and GLSi. To allow 18F-fluciclovine PET to be performed on mice, citrate in the tracer formulation is replaced by phosphate-buffered saline. Mice bearing triple-negative breast cancer (TNBC) xenografts (HCC38, HCC1806, and MBA-MD-231) and estrogen receptor-positive breast cancer xenografts (MCF-7) were imaged with dynamic PET at baseline and after a 2-d treatment of GLSi (CB839) or vehicle. Kinetic analysis suggested reversible uptake of the tracer, and the distribution volume (VD) of 18F-fluciclovine was estimated by Logan plot analysis. Results: Our data showed that cellular uptake of 18F-fluciclovine is mediated by glutamine transporters. A significant increase in VD was observed after CB839 treatment in TNBC models exhibiting high glutaminase activity (HCC38 and HCC1806) but not in TNBC or MCF-7 exhibiting low glutaminase. Changes in VD were corroborated with changes in GLS activity measured in tumors treated with CB839 versus vehicle, as well as with changes in VD of 18F-(2S,R4)-fluoroglutamine, which we previously validated as a measure of cellular glutamine pool size. A moderate, albeit significant, decrease in 18F-FDG PET signal was observed in HCC1806 tumors after CB839 treatment. Conclusion: 18F-fluciclovine PET has potential to serve as a clinically translatable pharmacodynamic biomarker of GLSi.
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Affiliation(s)
- Rong Zhou
- Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania
| | | | | | | | | | | | - David Mankoff
- Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania
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24
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Andrade de Oliveira K, Sengupta S, Yadav AK, Clarke R. The complex nature of heterogeneity and its roles in breast cancer biology and therapeutic responsiveness. Front Endocrinol (Lausanne) 2023; 14:1083048. [PMID: 36909339 PMCID: PMC9997040 DOI: 10.3389/fendo.2023.1083048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 02/02/2023] [Indexed: 02/25/2023] Open
Abstract
Heterogeneity is a complex feature of cells and tissues with many interacting components. Depending on the nature of the research context, interacting features of cellular, drug response, genetic, molecular, spatial, temporal, and vascular heterogeneity may be present. We describe the various forms of heterogeneity with examples of their interactions and how they play a role in affecting cellular phenotype and drug responses in breast cancer. While cellular heterogeneity may be the most widely described and invoked, many forms of heterogeneity are evident within the tumor microenvironment and affect responses to the endocrine and cytotoxic drugs widely used in standard clinical care. Drug response heterogeneity is a critical determinant of clinical response and curative potential and also is multifaceted when encountered. The interactive nature of some forms of heterogeneity is readily apparent. For example, the process of metastasis has the properties of both temporal and spatial heterogeneity within the host, whereas each individual metastatic deposit may exhibit cellular, genetic, molecular, and vascular heterogeneity. This review describes the many forms of heterogeneity, their integrated activities, and offers some insights into how heterogeneity may be understood and studied in the future.
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Affiliation(s)
- Karla Andrade de Oliveira
- The Hormel Institute, University of Minnesota, Austin, MN, United States
- Department of Biochemistry and Pharmacology, Universidade Federal do Piaui, Piauí, Brazil
| | - Surojeet Sengupta
- The Hormel Institute, University of Minnesota, Austin, MN, United States
| | - Anil Kumar Yadav
- The Hormel Institute, University of Minnesota, Austin, MN, United States
| | - Robert Clarke
- The Hormel Institute, University of Minnesota, Austin, MN, United States
- *Correspondence: Robert Clarke,
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25
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Fundamental Role of Pentose Phosphate Pathway within the Endoplasmic Reticulum in Glutamine Addiction of Triple-Negative Breast Cancer Cells. Antioxidants (Basel) 2022; 12:antiox12010043. [PMID: 36670904 PMCID: PMC9854646 DOI: 10.3390/antiox12010043] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/16/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Cancer utilization of large glutamine equivalents contributes to diverging glucose-6-P flux toward the pentose phosphate shunt (PPP) to feed the building blocks and the antioxidant responses of rapidly proliferating cells. In addition to the well-acknowledged cytosolic pathway, cancer cells also run a largely independent PPP, triggered by hexose-6P-dehydrogenase within the endoplasmic reticulum (ER), whose activity is mandatory for the integrity of ER-mitochondria networking. To verify whether this reticular metabolism is dependent on glutamine levels, we complemented the metabolomic characterization of intermediates of the glucose metabolism and tricarboxylic acid cycle with the estimation of proliferating activity, energy metabolism, redox damage, and mitochondrial function in two breast cancer cell lines. ER-PPP activity and its determinants were estimated by the ER accumulation of glucose analogs. Glutamine shortage decreased the proliferation rate despite increased ATP and NADH levels. It depleted NADPH reductive power and increased malondialdehyde content despite a marked increase in glucose-6P-dehydrogenase. This paradox was explained by the deceleration of ER-PPP favored by the decrease in hexose-6P-dehydrogenase expression coupled with the opposite response of its competitor enzyme glucose-6P-phosphatase. The decreased ER-PPP activity eventually hampered mitochondrial function and calcium exchanges. These data configure the ER-PPP as a powerful, unrecognized regulator of cancer cell metabolism and proliferation.
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26
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Hatami H, Sajedi A, Mir SM, Memar MY. Importance of lactate dehydrogenase (LDH) and monocarboxylate transporters (MCTs) in cancer cells. Health Sci Rep 2022; 6:e996. [PMID: 36570342 PMCID: PMC9768844 DOI: 10.1002/hsr2.996] [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: 07/30/2022] [Revised: 11/28/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022] Open
Abstract
Background In most regions, cancer ranks the second most frequent cause of death following cardiovascular disorders. Aim In this article, we review the various aspects of glycolysis with a focus on types of MCTs and the importance of lactate in cancer cells. Results and Discussion Metabolic changes are one of the first and most important alterations in cancer cells. Cancer cells use different pathways to survive, energy generation, growth, and proliferation compared to normal cells. The increase in glycolysis, which produces substances such as lactate and pyruvate, has an important role in metastases and invasion of cancer cells. Two important cellular proteins that play a role in the production and transport of lactate include lactate dehydrogenase and monocarboxylate transporters (MCTs). These molecules by their various isoforms and different tissue distribution help to escape the immune system and expansion of cancer cells under different conditions.
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Affiliation(s)
- Hamed Hatami
- Department of Immunology, Faculty of MedicineMashhad University of Medical SciencesMashhadIran
| | - Atefe Sajedi
- Metabolic Disorders Research CenterGolestan University of Medical SciencesGorganIran
| | - Seyed Mostafa Mir
- Metabolic Disorders Research CenterGolestan University of Medical SciencesGorganIran,Department of Clinical Biochemistry, Faculty of MedicineGolestan University of Medical SciencesGorganIran
| | - Mohammad Yousef Memar
- Infectious and Tropical Diseases Research CenterTabriz University of Medical SciencesTabrizIran
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27
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Limiting glutamine utilization activates a GCN2/TRAIL-R2/Caspase-8 apoptotic pathway in glutamine-addicted tumor cells. Cell Death Dis 2022; 13:906. [PMID: 36302756 PMCID: PMC9613879 DOI: 10.1038/s41419-022-05346-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 01/23/2023]
Abstract
Oncogenic transformation leads to changes in glutamine metabolism that make transformed cells highly dependent on glutamine for anabolic growth and survival. Herein, we investigated the cell death mechanism activated in glutamine-addicted tumor cells in response to the limitation of glutamine metabolism. We show that glutamine starvation triggers a FADD and caspase-8-dependent and mitochondria-operated apoptotic program in tumor cells that involves the pro-apoptotic TNF-related apoptosis-inducing ligand receptor 2 (TRAIL-R2), but is independent of its cognate ligand TRAIL. In glutamine-depleted tumor cells, activation of the amino acid-sensing general control nonderepressible-2 kinase (GCN2) is responsible for TRAIL-R2 upregulation, caspase-8 activation, and apoptotic cell death. Interestingly, GCN2-dependent ISR signaling induced by methionine starvation also leads to TRAIL-R2 upregulation and apoptosis. Moreover, pharmacological inhibition of transaminases activates a GCN2 and TRAIL-R2-dependent apoptotic mechanism that is inhibited by non-essential amino acids (NEAA). In addition, metabolic stress upon glutamine deprivation also results in GCN2-independent FLICE-inhibitory protein (FLIP) downregulation facilitating caspase-8 activation and apoptosis. Importantly, downregulation of the long FLIP splice form (FLIPL) and apoptosis upon glutamine deprivation are inhibited in the presence of a membrane-permeable α-ketoglutarate. Collectively, our data support a model in which limiting glutamine utilization in glutamine-addicted tumor cells triggers a previously unknown cell death mechanism regulated by GCN2 that involves the TRAIL-R2-mediated activation of the extrinsic apoptotic pathway.
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28
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Glutamine Transporter SLC1A5 Regulates Ionizing Radiation-Derived Oxidative Damage and Ferroptosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3403009. [PMID: 36262284 PMCID: PMC9576409 DOI: 10.1155/2022/3403009] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/13/2022] [Accepted: 09/21/2022] [Indexed: 12/08/2022]
Abstract
Ionizing radiation-derived oxidative stress and ferroptosis are one of the most important biological effects on destroying the liver tumor, whereas radioresistance of liver tumor remains a leading cause of radiotherapy (RT) failure mainly because of the protective antiferroptosis, in which oxidative stress and subsequent lipid peroxidation are the key initiators. Thus, it is of great importance to overcome ferroptosis resistance to improve the therapeutic efficacy of RT in liver tumor patients. Irradiation-resistant HepG2 cells (HepG2-IRR) were established by long-term exposure to X-ray (2 to 8 Gy), and targeted metabolomics analysis revealed an obvious increase in intracellular amino acids in HepG2-IRR cells upon ferroptosis stress. Among these amino acids with obvious changes, N-acetylglutamine, a derivative of glutamine, is essential for the redox homeostasis and progression of tumor cells. Interestingly, the treatment of glutamine starvation could promote the ferroptosis effect significantly, whereas glutamine supplementation reversed the ferroptosis effect completely. Consistent with the changes in amino acids pattern, the glutamine transporter SLC1A5 was verified in liver tumor samples from TCGA training and validation cohorts as an independent prognostic amino acid-ferroptosis gene (AFG). A risk score for screening prognosis based on the SLC1A5, SLC7A11, ASNS, and TXNRD1 demonstrated that a high-risk score was correlated with poor survival. In vitro studies had shown that the knockdown of SLC1A5 resulted in a significant decrease in cell viability and promoted lipid peroxidation and oxidative damage introduced by irradiation (10 Gy). Collectively, our findings indicated that SLC1A5 may act as a suppressor gene against ferroptosis and can be a potential target for ionizing radiation mediated effects.
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29
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Xu F, Shi J, Qin X, Zheng Z, Chen M, Lin Z, Ye J, Li M. Hormone-Glutamine Metabolism: A Critical Regulatory Axis in Endocrine-Related Cancers. Int J Mol Sci 2022; 23:ijms231710086. [PMID: 36077501 PMCID: PMC9456462 DOI: 10.3390/ijms231710086] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 08/30/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
The endocrine-related cancers and hormones are undoubtedly highly interconnected. How hormones support or repress tumor induction and progression has been extensively profiled. Furthermore, advances in understanding the role of glutamine metabolism in mediating tumorigenesis and development, coupled with these in-depth studies on hormone (e.g., estrogen, progesterone, androgen, prostaglandin, thyroid hormone, and insulin) regulation of glutamine metabolism, have led us to think about the relationship between these three factors, which remains to be elucidated. Accordingly, in this review, we present an updated overview of glutamine metabolism traits and its influence on endocrine oncology, as well as its upstream hormonal regulation. More importantly, this hormone/glutamine metabolism axis may help in the discovery of novel therapeutic strategies for endocrine-related cancer.
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Affiliation(s)
- Fengyuan Xu
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Jialu Shi
- Department of Gynecology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200010, China
| | - Xueyun Qin
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
| | - Zimeng Zheng
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
| | - Min Chen
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
| | - Zhi Lin
- Department of Gynecology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200010, China
| | - Jiangfeng Ye
- Institute for Molecular and Cell Biology, Agency for Science, Technology and Research, Singapore 138632, Singapore
| | - Mingqing Li
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, China
- NHC Key Lab. of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai 201203, China
- Correspondence:
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30
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Irajizad E, Wu R, Vykoukal J, Murage E, Spencer R, Dennison JB, Moulder S, Ravenberg E, Lim B, Litton J, Tripathym D, Valero V, Damodaran S, Rauch GM, Adrada B, Candelaria R, White JB, Brewster A, Arun B, Long JP, Do KA, Hanash S, Fahrmann JF. Application of Artificial Intelligence to Plasma Metabolomics Profiles to Predict Response to Neoadjuvant Chemotherapy in Triple-Negative Breast Cancer. Front Artif Intell 2022; 5:876100. [PMID: 36034598 PMCID: PMC9403735 DOI: 10.3389/frai.2022.876100] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 05/03/2022] [Indexed: 11/13/2022] Open
Abstract
There is a need to identify biomarkers predictive of response to neoadjuvant chemotherapy (NACT) in triple-negative breast cancer (TNBC). We previously obtained evidence that a polyamine signature in the blood is associated with TNBC development and progression. In this study, we evaluated whether plasma polyamines and other metabolites may identify TNBC patients who are less likely to respond to NACT. Pre-treatment plasma levels of acetylated polyamines were elevated in TNBC patients that had moderate to extensive tumor burden (RCB-II/III) following NACT compared to those that achieved a complete pathological response (pCR/RCB-0) or had minimal residual disease (RCB-I). We further applied artificial intelligence to comprehensive metabolic profiles to identify additional metabolites associated with treatment response. Using a deep learning model (DLM), a metabolite panel consisting of two polyamines as well as nine additional metabolites was developed for improved prediction of RCB-II/III. The DLM has potential clinical value for identifying TNBC patients who are unlikely to respond to NACT and who may benefit from other treatment modalities.
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Affiliation(s)
- Ehsan Irajizad
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Ranran Wu
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jody Vykoukal
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Eunice Murage
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Rachelle Spencer
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jennifer B. Dennison
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Stacy Moulder
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Elizabeth Ravenberg
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Bora Lim
- Breast Cancer Research Program, Baylor College of Medicine, Houston, TX, United States
| | - Jennifer Litton
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Debu Tripathym
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Vicente Valero
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Senthil Damodaran
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Gaiane M. Rauch
- Department of Abdominal Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Beatriz Adrada
- Department of Breast Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Rosalind Candelaria
- Department of Breast Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jason B. White
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Abenaa Brewster
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Banu Arun
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - James P. Long
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Kim Anh Do
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Sam Hanash
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
- *Correspondence: Sam Hanash
| | - Johannes F. Fahrmann
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
- Johannes F. Fahrmann
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31
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Holzknecht M, Guerrero‐Navarro L, Petit M, Albertini E, Damisch E, Simonini A, Schmitt F, Parson W, Fiegl H, Weiss A, Jansen‐Duerr P. The mitochondrial enzyme
FAHD1
regulates complex
II
activity in breast cancer cells and is indispensable for basal
BT
‐20 cells
in vitro. FEBS Lett 2022; 596:2781-2794. [DOI: 10.1002/1873-3468.14462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Max Holzknecht
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Lena Guerrero‐Navarro
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Michele Petit
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Eva Albertini
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Elisabeth Damisch
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Anna Simonini
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Fernando Schmitt
- Medical Faculty of University of Porto CINTESIS@RISE (Health Research Network), Alameda Prof. Hernâni Monteiro 4200‐319 Porto Portugal
| | - Walther Parson
- Institute of Legal Medicine Medical University of Innsbruck 6020 Innsbruck Austria
- Forensic Science Program, The Pennsylvania State University University Park PA 16801 USA
| | - Heidelinde Fiegl
- Medical University of Innsbruck, Department of Obstetrics and Gynaecology Anichstraße 35 6020 Innsbruck Austria
| | - Alexander Weiss
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
| | - Pidder Jansen‐Duerr
- Leopold‐Franzens University of Innsbruck Institute for Biomedical Aging Research Rennweg 10 6020 Innsbruck Austria
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32
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Quek LE, van Geldermalsen M, Guan YF, Wahi K, Mayoh C, Balaban S, Pang A, Wang Q, Cowley MJ, Brown KK, Turner N, Hoy AJ, Holst J. Glutamine addiction promotes glucose oxidation in triple-negative breast cancer. Oncogene 2022; 41:4066-4078. [PMID: 35851845 PMCID: PMC9391225 DOI: 10.1038/s41388-022-02408-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 06/30/2022] [Accepted: 07/01/2022] [Indexed: 11/30/2022]
Abstract
Glutamine is a conditionally essential nutrient for many cancer cells, but it remains unclear how consuming glutamine in excess of growth requirements confers greater fitness to glutamine-addicted cancers. By contrasting two breast cancer subtypes with distinct glutamine dependencies, we show that glutamine-indispensable triple-negative breast cancer (TNBC) cells rely on a non-canonical glutamine-to-glutamate overflow, with glutamine carbon routed once through the TCA cycle. Importantly, this single-pass glutaminolysis increases TCA cycle fluxes and replenishes TCA cycle intermediates in TNBC cells, a process that achieves net oxidation of glucose but not glutamine. The coupling of glucose and glutamine catabolism appears hard-wired via a distinct TNBC gene expression profile biased to strip and then sequester glutamine nitrogen, but hampers the ability of TNBC cells to oxidise glucose when glutamine is limiting. Our results provide a new understanding of how metabolically rigid TNBC cells are sensitive to glutamine deprivation and a way to select vulnerable TNBC subtypes that may be responsive to metabolic-targeted therapies.
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Affiliation(s)
- Lake-Ee Quek
- School of Mathematics and Statistics, The University of Sydney, Camperdown, NSW, Australia.
| | - Michelle van Geldermalsen
- Origins of Cancer Program, Centenary Institute, The University of Sydney, Camperdown, NSW, Australia
- Sydney Medical School, The University of Sydney, Camperdown, NSW, Australia
| | - Yi Fang Guan
- School of Medical Sciences and School of Clinical Medicine, UNSW Sydney, Kensington, NSW, Australia
| | - Kanu Wahi
- School of Medical Sciences and School of Clinical Medicine, UNSW Sydney, Kensington, NSW, Australia
| | - Chelsea Mayoh
- Children's Cancer Institute, Lowy Cancer Centre, UNSW Sydney, Kensington, NSW, Australia
- School of Women's and Children's Health, UNSW Sydney, Kensington, NSW, Australia
| | - Seher Balaban
- School of Medical Sciences, Charles Perkins Centre, The University of Sydney, Camperdown, NSW, Australia
| | - Angel Pang
- School of Medical Sciences and School of Clinical Medicine, UNSW Sydney, Kensington, NSW, Australia
| | - Qian Wang
- School of Medical Sciences and School of Clinical Medicine, UNSW Sydney, Kensington, NSW, Australia
| | - Mark J Cowley
- Children's Cancer Institute, Lowy Cancer Centre, UNSW Sydney, Kensington, NSW, Australia
- School of Women's and Children's Health, UNSW Sydney, Kensington, NSW, Australia
| | - Kristin K Brown
- Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
- The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, VIC, Australia
- Department of Biochemistry and Pharmacology, The University of Melbourne, Melbourne, VIC, Australia
| | - Nigel Turner
- Department of Pharmacology, School of Medical Sciences, UNSW Sydney, Kensington, NSW, Australia
| | - Andrew J Hoy
- School of Medical Sciences, Charles Perkins Centre, The University of Sydney, Camperdown, NSW, Australia
| | - Jeff Holst
- School of Medical Sciences and School of Clinical Medicine, UNSW Sydney, Kensington, NSW, Australia.
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Zhang B, Fu R, Duan Z, Shen S, Zhu C, Fan D. Ginsenoside CK induces apoptosis in triple-negative breast cancer cells by targeting glutamine metabolism. Biochem Pharmacol 2022; 202:115101. [PMID: 35618001 DOI: 10.1016/j.bcp.2022.115101] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 05/13/2022] [Accepted: 05/18/2022] [Indexed: 12/16/2022]
Abstract
Breast cancer (BC) has replaced lung cancer as the most common cancer worldwide. Ginsenoside CK (CK) can effectively inhibit triple-negative breast cancer (TNBC), the occurrence and development of which are associated with glutamine addiction. However, the connection between CK and glutamine metabolism in TNBC proliferation and the mechanism of cell death induction remains unclear. Here, we found that high glutamine-addicted TNBC cells were particularly sensitive to CK treatment. CK exerted antitumour activity against TNBC by suppressing glutamine consumption and glutamate production via downregulation of glutaminase 1 (GLS1) expression. CK treatment further decreased cellular ATP production, reduced the utilisation of amino acids associated with glutamine metabolism, and induced glutathione (GSH) depletion and reactive oxygen species (ROS) accumulation, consequently triggering apoptosis in TNBC. Furthermore, CK decreased GLS1 expression in SUM159 xenograft mouse mammary tumours and significantly inhibited tumour growth with few side effects. Together, our data provide a powerful theoretical basis for the application of CK as a glutamine metabolic inhibitor in TNBC treatment.
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Affiliation(s)
- Bo Zhang
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Biotech. & Biomed. Research Institute, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Rongzhan Fu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Biotech. & Biomed. Research Institute, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Zhiguang Duan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Biotech. & Biomed. Research Institute, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Shihong Shen
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Biotech. & Biomed. Research Institute, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Chenhui Zhu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Biotech. & Biomed. Research Institute, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China.
| | - Daidi Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; Biotech. & Biomed. Research Institute, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China.
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Seo H, Kramer AC, McLendon BA, Cain JW, Burghardt RC, Wu G, Bazer FW, Johnson GA. Elongating porcine conceptuses can utilize Glutaminolysis as an Anaplerotic pathway to maintain the TCA cycle. Biol Reprod 2022; 107:823-833. [PMID: 35552608 DOI: 10.1093/biolre/ioac097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/04/2022] [Accepted: 05/03/2022] [Indexed: 11/14/2022] Open
Abstract
During the peri-implantation period of pregnancy, the trophectoderm of pig conceptuses utilize glucose via multiple biosynthetic pathways to support elongation and implantation, resulting in limited availability of pyruvate for metabolism via the TCA cycle. Therefore, we hypothesized that porcine trophectoderm cells replenish TCA cycle intermediates via a process known as anaplerosis, and that trophectoderm cells convert glutamine to α-ketoglutarate, a TCA cycle intermediate, through glutaminolysis. Results demonstrate: 1) that expression of glutaminase (GLS) increases in trophectoderm and glutamine synthetase (GLUL) increases in extra-embryonic endoderm of conceptuses, suggesting that extra-embryonic endoderm synthesizes glutamine, and trophectoderm converts glutamine into glutamate; and 2) that expression of glutamate dehydrogenase 1 (GLUD1) decreases and expression of aminotransferases including PSAT1 increase in trophectoderm, suggesting that glutaminolysis occurs in the trophectoderm through the GLS-aminotransferase pathway during the peri-implantation period. We then incubated porcine conceptuses with 13C-glutamine in the presence or absence of glucose in the culture media, and then monitored the movement of glutamine-derived carbons through metabolic intermediates within glutaminolysis and the TCA cycle. The accumulation of 13C-labeled carbons significantly increased in glutamate, α-ketoglutarate, succinate, malate, citrate, and aspartate in the absence of glucose in the media. Collectively, our results indicate that during the peri-implantation period of pregnancy, the proliferating and migrating trophectoderm cells of elongating porcine conceptuses utilize glutamine via glutaminolysis as an alternate carbon source to maintain TCA cycle flux.
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Affiliation(s)
- Heewon Seo
- Department of Veterinary Integrative Biosciences, and Department of Animal Science, Texas A&M University, College Station, TX 77843
| | - Avery C Kramer
- Department of Veterinary Integrative Biosciences, and Department of Animal Science, Texas A&M University, College Station, TX 77843
| | - Bryan A McLendon
- Department of Veterinary Integrative Biosciences, and Department of Animal Science, Texas A&M University, College Station, TX 77843
| | - Joe W Cain
- Department of Veterinary Integrative Biosciences, and Department of Animal Science, Texas A&M University, College Station, TX 77843
| | - Robert C Burghardt
- Department of Veterinary Integrative Biosciences, and Department of Animal Science, Texas A&M University, College Station, TX 77843
| | - Guoyao Wu
- Department of Animal Science, Texas A&M University, College Station, TX 77843
| | - Fuller W Bazer
- Department of Animal Science, Texas A&M University, College Station, TX 77843
| | - Greg A Johnson
- Department of Veterinary Integrative Biosciences, and Department of Animal Science, Texas A&M University, College Station, TX 77843
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Metazoan stringent-like response mediated by MESH1 phenotypic conservation via distinct mechanisms. Comput Struct Biotechnol J 2022; 20:2680-2684. [PMID: 35685369 PMCID: PMC9166373 DOI: 10.1016/j.csbj.2022.05.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/30/2022] [Accepted: 05/01/2022] [Indexed: 12/27/2022] Open
Abstract
All organisms are constantly exposed to various stresses, necessitating adaptive strategies for survival. In bacteria, the main metabolic stress-coping mechanism is the stringent response, which is triggered by the accumulation of “alarmone” (p)ppGpp to arrest proliferation and reprogram the transcriptome. The level of (p)ppGpp is regulated by its synthetase RelA and its hydrolase SpoT. MESH1 is the metazoan homolog of bacterial SpoT that regulates the bacterial stringent response by degrading the alarmone (p)ppGpp. While MESH1, like SpoT, can also dephosphorylate (p)ppGpp, mammalian cells do not have significant levels of this metabolite, and the relevant enzymatic activities and function of MESH1 have remained a mystery. Through genetic and biochemical analyses, we have solved the long-held mystery and identified MESH1 as the first mammalian cytosolic NADPH phosphatase involved in ferroptosis. Furthermore, we discovered that MESH1 removal leads to proliferation arrest, translation inhibition, and a prominent transcriptional and metabolic response. Therefore, MESH1 knockdown triggers a novel stress response with phenotypic conservation with the bacterial stringent response via distinct substrates and molecular pathways. Here, we summarize the background of the MESH1, illustrate the striking conservation of phenotypes in different organisms during evolution and discuss remaining questions in the field.
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Lu V, Roy IJ, Torres A, Joly JH, Ahsan FM, Graham NA, Teitell MA. Glutamine-dependent signaling controls pluripotent stem cell fate. Dev Cell 2022; 57:610-623.e8. [PMID: 35216682 PMCID: PMC8930616 DOI: 10.1016/j.devcel.2022.02.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 11/01/2021] [Accepted: 01/31/2022] [Indexed: 12/30/2022]
Abstract
Human pluripotent stem cells (hPSCs) can self-renew indefinitely or can be induced to differentiate. We previously showed that exogenous glutamine (Gln) withdrawal biased hPSC differentiation toward ectoderm and away from mesoderm. We revealed that, although all three germ lineages are capable of de novo Gln synthesis, only ectoderm generates sufficient Gln to sustain cell viability and differentiation, and this finding clarifies lineage fate restrictions under Gln withdrawal. Furthermore, we found that Gln acts as a signaling molecule for ectoderm that supersedes lineage-specifying cytokine induction. In contrast, Gln in mesoderm and endoderm is the preferred precursor of α-ketoglutarate without a direct signaling role. Our work raises a question about whether the nutrient environment functions directly in cell differentiation during development. Interestingly, transcriptome analysis of a gastrulation-stage human embryo shows that unique Gln enzyme-encoding gene expression patterns may also distinguish germ lineages in vivo. Together, our study suggests that intracellular Gln may help coordinate differentiation of the three germ layers.
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Affiliation(s)
- Vivian Lu
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, USA
| | - Irena J Roy
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, USA
| | - Alejandro Torres
- Molecular Biology Institute, University of California at Los Angeles, Los Angeles, CA, USA
| | - James H Joly
- Mork Family Department of Chemical Engineering and Materials Science, Los Angeles, CA 90089, USA
| | - Fasih M Ahsan
- Program in Biological and Biomedical Sciences, Harvard Medical School, Boston, MA, USA
| | - Nicholas A Graham
- Mork Family Department of Chemical Engineering and Materials Science, Los Angeles, CA 90089, USA; Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA 90089, USA; Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Michael A Teitell
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, USA; Molecular Biology Institute, University of California at Los Angeles, Los Angeles, CA, USA; Department of Bioengineering, Department of Pediatrics, California NanoSystems Institute, and Broad Center for Regenerative Medicine and Stem Cell Research, University of California at Los Angeles, Los Angeles, CA, USA; Jonsson Comprehensive Cancer Center, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, USA.
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Wu S, Guo B, Zhang L, Zhu X, Zhao P, Deng J, Zheng J, Li F, Wang Y, Zhang S, Zhang Z, Lu J, Zhou Y. A micropeptide XBP1SBM encoded by lncRNA promotes angiogenesis and metastasis of TNBC via XBP1s pathway. Oncogene 2022; 41:2163-2172. [PMID: 35197570 DOI: 10.1038/s41388-022-02229-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 01/06/2022] [Accepted: 02/02/2022] [Indexed: 12/28/2022]
Abstract
Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer (BC) with a poor prognosis. To date, the mechanism of TNBC's aggressive phenotype is still unclear. Based on metabolome analysis, we found that glutamine (Gln) metabolism plays a key role in the difference between TNBC and non-TNBC. We identified a 21-amino-acid survival-associated micropeptide XBP1SBM, encoded by the lncRNA MLLT4-AS1, which was upregulated in TNBC tissues and Gln-deprived TNBC cell lines. We showed that XBP1SBM expression was upregulated by Gln-deprivation-induced XBP1s transcriptional promotion, and in turn retained XBP1s in the nuclear to enhance the expression of VEGF. Using human endothelial cells, mouse xenograft models and mouse spontaneous BC models, we found that XBP1SBM improved Gln levels and promoted angiogenesis and metastasis in TNBC. Our study showed that a TNBC-specific nutrient deficiency adaption results in aggressive TNBC, and this mechanism provides a novel potential prognostic biomarker and therapeutic target in TNBC.
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Affiliation(s)
- Siqi Wu
- Department of Genetics, Medical College of Soochow University, Suzhou, 215123, China
| | - Binbin Guo
- Department of Genetics, Medical College of Soochow University, Suzhou, 215123, China
| | - Liyuan Zhang
- Department of Radiotherapy and Oncology, The Second Affiliated Hospital of Soochow University, San Xiang Road No. 1055, Suzhou, 215004, China
| | - Xun Zhu
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, San Xiang Road No. 1055, Suzhou, 215004, China
| | - Peipei Zhao
- Department of Radiotherapy and Oncology, The Second Affiliated Hospital of Soochow University, San Xiang Road No. 1055, Suzhou, 215004, China
| | - Jieqiong Deng
- Department of Genetics, Medical College of Soochow University, Suzhou, 215123, China
| | - Jian Zheng
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China and Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
| | - Fang Li
- Department of Genetics, Medical College of Soochow University, Suzhou, 215123, China
| | - Yirong Wang
- Department of Genetics, Medical College of Soochow University, Suzhou, 215123, China
| | - Shenghua Zhang
- Department of Genetics, Medical College of Soochow University, Suzhou, 215123, China
| | - Zheng Zhang
- Department of Genetics, Medical College of Soochow University, Suzhou, 215123, China
| | - Jiachun Lu
- The Institute for Chemical Carcinogenesis, The First Affiliated Hospital, The School of Public Health, Guangzhou Medical University, Guangzhou, 510182, China
| | - Yifeng Zhou
- Department of Genetics, Medical College of Soochow University, Suzhou, 215123, China. .,Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China and Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China.
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38
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Fan K, Liu Z, Gao M, Tu K, Xu Q, Zhang Y. Targeting Nutrient Dependency in Cancer Treatment. Front Oncol 2022; 12:820173. [PMID: 35178349 PMCID: PMC8846368 DOI: 10.3389/fonc.2022.820173] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/11/2022] [Indexed: 12/13/2022] Open
Abstract
Metabolic reprogramming is one of the hallmarks of tumor. Growing evidence suggests metabolic changes that support oncogenic progression may cause selective vulnerabilities that can be exploited for cancer treatment. Increasing demands for certain nutrients under genetic determination or environmental challenge enhance dependency of tumor cells on specific nutrient, which could be therapeutically developed through targeting such nutrient dependency. Various nutrients including several amino acids and glucose have been found to induce dependency in genetic alteration- or context-dependent manners. In this review, we discuss the extensively studied nutrient dependency and the biological mechanisms behind such vulnerabilities. Besides, existing applications and strategies to target nutrient dependency in different cancer types, accompanied with remaining challenges to further exploit these metabolic vulnerabilities to improve cancer therapies, are reviewed.
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Affiliation(s)
- Kexin Fan
- The Institute of Molecular and Translational Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Zhan Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Second Medical College, Karamay, China
| | - Min Gao
- The Institute of Molecular and Translational Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Kangsheng Tu
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Qiuran Xu
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, China.,Research Center of Diagnosis and Treatment Technology for Hepatocellular Carcinoma of Zhejiang Province, Hangzhou, China
| | - Yilei Zhang
- The Institute of Molecular and Translational Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
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Sharma S, Agnihotri N, Kumar S. Targeting fuel pocket of cancer cell metabolism: A focus on glutaminolysis. Biochem Pharmacol 2022; 198:114943. [DOI: 10.1016/j.bcp.2022.114943] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/28/2022] [Accepted: 01/31/2022] [Indexed: 12/12/2022]
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Corchado-Cobos R, García-Sancha N, Mendiburu-Eliçabe M, Gómez-Vecino A, Jiménez-Navas A, Pérez-Baena MJ, Holgado-Madruga M, Mao JH, Cañueto J, Castillo-Lluva S, Pérez-Losada J. Pathophysiological Integration of Metabolic Reprogramming in Breast Cancer. Cancers (Basel) 2022; 14:cancers14020322. [PMID: 35053485 PMCID: PMC8773662 DOI: 10.3390/cancers14020322] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 01/03/2022] [Accepted: 01/06/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary Tumors exhibit metabolic changes that differentiate them from the normal tissues from which they derive. These metabolic changes favor tumor growth, are primarily induced by cancer cells, and produce metabolic and functional changes in the surrounding stromal cells. There is a close functional connection between the metabolic changes in tumor cells and those that appear in the surrounding stroma. A better understanding of intratumoral metabolic interactions may help identify new vulnerabilities that will facilitate new, more individualized treatment strategies against cancer. We review the metabolic changes described in tumor and stromal cells and their functional changes and then consider, in depth, the metabolic interactions between the cells of the two compartments. Although these changes are generic, we illustrate them mainly with reference to examples in breast cancer. Abstract Metabolic changes that facilitate tumor growth are one of the hallmarks of cancer. The triggers of these metabolic changes are located in the tumor parenchymal cells, where oncogenic mutations induce an imperative need to proliferate and cause tumor initiation and progression. Cancer cells undergo significant metabolic reorganization during disease progression that is tailored to their energy demands and fluctuating environmental conditions. Oxidative stress plays an essential role as a trigger under such conditions. These metabolic changes are the consequence of the interaction between tumor cells and stromal myofibroblasts. The metabolic changes in tumor cells include protein anabolism and the synthesis of cell membranes and nucleic acids, which all facilitate cell proliferation. They are linked to catabolism and autophagy in stromal myofibroblasts, causing the release of nutrients for the cells of the tumor parenchyma. Metabolic changes lead to an interstitium deficient in nutrients, such as glucose and amino acids, and acidification by lactic acid. Together with hypoxia, they produce functional changes in other cells of the tumor stroma, such as many immune subpopulations and endothelial cells, which lead to tumor growth. Thus, immune cells favor tissue growth through changes in immunosuppression. This review considers some of the metabolic changes described in breast cancer.
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Affiliation(s)
- Roberto Corchado-Cobos
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC-CIC), Universidad de Salamanca/CSIC, 37007 Salamanca, Spain; (R.C.-C.); (N.G.-S.); (M.M.-E.); (A.G.-V.); (A.J.-N.); (M.J.P.-B.); (J.C.)
- Instituto de Investigación Biosanitaria de Salamanca (IBSAL), 37007 Salamanca, Spain;
| | - Natalia García-Sancha
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC-CIC), Universidad de Salamanca/CSIC, 37007 Salamanca, Spain; (R.C.-C.); (N.G.-S.); (M.M.-E.); (A.G.-V.); (A.J.-N.); (M.J.P.-B.); (J.C.)
- Instituto de Investigación Biosanitaria de Salamanca (IBSAL), 37007 Salamanca, Spain;
| | - Marina Mendiburu-Eliçabe
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC-CIC), Universidad de Salamanca/CSIC, 37007 Salamanca, Spain; (R.C.-C.); (N.G.-S.); (M.M.-E.); (A.G.-V.); (A.J.-N.); (M.J.P.-B.); (J.C.)
- Instituto de Investigación Biosanitaria de Salamanca (IBSAL), 37007 Salamanca, Spain;
| | - Aurora Gómez-Vecino
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC-CIC), Universidad de Salamanca/CSIC, 37007 Salamanca, Spain; (R.C.-C.); (N.G.-S.); (M.M.-E.); (A.G.-V.); (A.J.-N.); (M.J.P.-B.); (J.C.)
- Instituto de Investigación Biosanitaria de Salamanca (IBSAL), 37007 Salamanca, Spain;
| | - Alejandro Jiménez-Navas
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC-CIC), Universidad de Salamanca/CSIC, 37007 Salamanca, Spain; (R.C.-C.); (N.G.-S.); (M.M.-E.); (A.G.-V.); (A.J.-N.); (M.J.P.-B.); (J.C.)
- Instituto de Investigación Biosanitaria de Salamanca (IBSAL), 37007 Salamanca, Spain;
| | - Manuel Jesús Pérez-Baena
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC-CIC), Universidad de Salamanca/CSIC, 37007 Salamanca, Spain; (R.C.-C.); (N.G.-S.); (M.M.-E.); (A.G.-V.); (A.J.-N.); (M.J.P.-B.); (J.C.)
- Instituto de Investigación Biosanitaria de Salamanca (IBSAL), 37007 Salamanca, Spain;
| | - Marina Holgado-Madruga
- Instituto de Investigación Biosanitaria de Salamanca (IBSAL), 37007 Salamanca, Spain;
- Departamento de Fisiología y Farmacología, Universidad de Salamanca, 37007 Salamanca, Spain
- Instituto de Neurociencias de Castilla y León (INCyL), Universidad de Salamanca, 37007 Salamanca, Spain
| | - Jian-Hua Mao
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;
- Berkeley Biomedical Data Science Center, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Javier Cañueto
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC-CIC), Universidad de Salamanca/CSIC, 37007 Salamanca, Spain; (R.C.-C.); (N.G.-S.); (M.M.-E.); (A.G.-V.); (A.J.-N.); (M.J.P.-B.); (J.C.)
- Instituto de Investigación Biosanitaria de Salamanca (IBSAL), 37007 Salamanca, Spain;
- Departamento de Dermatología, Hospital Universitario de Salamanca, Paseo de San Vicente 58-182, 37007 Salamanca, Spain
- Complejo Asistencial Universitario de Salamanca, 37007 Salamanca, Spain
| | - Sonia Castillo-Lluva
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Químicas, Universidad Complutense, 28040 Madrid, Spain
- Instituto de Investigaciones Sanitarias San Carlos (IdISSC), 28040 Madrid, Spain
- Correspondence: (S.C.-L.); (J.P-L.)
| | - Jesús Pérez-Losada
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC-CIC), Universidad de Salamanca/CSIC, 37007 Salamanca, Spain; (R.C.-C.); (N.G.-S.); (M.M.-E.); (A.G.-V.); (A.J.-N.); (M.J.P.-B.); (J.C.)
- Instituto de Investigación Biosanitaria de Salamanca (IBSAL), 37007 Salamanca, Spain;
- Correspondence: (S.C.-L.); (J.P-L.)
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Cell line-directed breast cancer research based on glucose metabolism status. Biomed Pharmacother 2021; 146:112526. [PMID: 34906774 DOI: 10.1016/j.biopha.2021.112526] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/06/2021] [Accepted: 12/08/2021] [Indexed: 12/12/2022] Open
Abstract
Metabolic reprogramming is a potential hallmark of tumor cells to support continuous proliferation. Metabolic heterogeneity in breast cancer patients has been highlighted as the driving cause of tumor progression and resistance to anticancer drugs. Studying and identifying distinct metabolic alterations in breast cancer subtypes could offer new perspectives for faster diagnosis and treatment. Given cancer cell dependency on glycolysis, the primary energy source, this enzymatic pathway will play a critical role in targeting therapies. Knowledge about the specific metabolic dependencies of tumors for growth and proliferation can be promising for novel targeted and cell-based therapies. Here, the metabolic status with emphasis on glycolysis of breast cancer cell lines according to their classification was reviewed.
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42
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Silva C, Andrade N, Rodrigues I, Ferreira AC, Soares ML, Martel F. The pro-proliferative effect of interferon-γ in breast cancer cell lines is dependent on stimulation of ASCT2-mediated glutamine cellular uptake. Life Sci 2021; 286:120054. [PMID: 34662550 DOI: 10.1016/j.lfs.2021.120054] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 10/07/2021] [Accepted: 10/11/2021] [Indexed: 12/24/2022]
Abstract
AIMS Type 2 diabetes mellitus (T2DM) is a risk factor for breast cancer initiation and progression. Glutamine (GLN) is a critical nutrient for cancer cells. The aim of this study was to investigate the effect of T2DM-associated compounds upon GLN uptake by breast cancer cells. MAIN METHODS The in vitro uptake of 3H-GLN by breast cancer (MCF-7 and MDA-MB-231) and non-tumorigenic (MCF-12A) cell lines was measured. KEY FINDINGS 3H-GLN uptake in the three cell lines is mainly Na+-dependent and sensitive to the ASCT2 inhibitor GPNA. IFN-γ increased total and Na+-dependent 3H-GLN uptake in the two breast cancer cell lines, and insulin increased total and Na+-dependent 3H-GLN uptake in the non-tumorigenic cell line. GPNA abolished the increase in 3H-GLN uptake promoted by these T2DM-associated compounds. ASCT2 knockdown confirmed that the increase in 3H-GLN uptake caused by IFN-γ (in breast cancer cells) and by insulin (in non-tumorigenic cells) is ASCT2-dependent. IFN-γ (in MDA-MB-231 cells) and insulin (in MCF-12A cells) increased ASCT2 transcript and protein levels. Importantly, the pro-proliferative effect of IFN-γ in breast cancer cell lines was associated with an increase in 3H-GLN uptake which was GPNA-sensitive, blocked by ASCT2 knockdown and mediated by activation of the PI3K-, STAT3- and STAT1 intracellular signalling pathways. SIGNIFICANCE IFN-γ and insulin possess pro-proliferative effects in breast cancer and non-cancer cell lines, respectively, which are dependent on an increase in ASCT2-mediated glutamine transport. Thus, an effective inhibition of ASCT2-mediated glutamine uptake may be a therapeutic strategy against human breast cancer in T2DM patients.
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Affiliation(s)
- Cláudia Silva
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal
| | - Nelson Andrade
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Portugal
| | - Ilda Rodrigues
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal
| | - António Carlos Ferreira
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; Laboratório de Apoio à Investigação em Medicina Molecular, Departamento de Biomedicina, Faculdade de Medicina da Universidade do Porto, Porto, Portugal
| | - Miguel Luz Soares
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; Laboratório de Apoio à Investigação em Medicina Molecular, Departamento de Biomedicina, Faculdade de Medicina da Universidade do Porto, Porto, Portugal
| | - Fátima Martel
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal; Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal.
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43
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AbuSalim JE, Yamamoto K, Miura N, Blackman B, Brender JR, Mushti C, Seki T, Camphausen KA, Swenson RE, Krishna MC, Kesarwala AH. Simple Esterification of [1- 13C]-Alpha-Ketoglutarate Enhances Membrane Permeability and Allows for Noninvasive Tracing of Glutamate and Glutamine Production. ACS Chem Biol 2021; 16:2144-2150. [PMID: 34554724 PMCID: PMC9107957 DOI: 10.1021/acschembio.1c00561] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Alpha-ketoglutarate (α-KG) is a key metabolite and signaling molecule in cancer cells, but the low permeability of α-KG limits the study of α-KG mediated effects in vivo. Recently, cell-permeable monoester and diester α-KG derivatives have been synthesized for use in vivo, but many of these derivatives are not compatible for use in hyperpolarized carbon-13 nuclear magnetic resonance spectroscopy (HP-13C-MRS). HP-13C-MRS is a powerful technique that has been used to noninvasively trace labeled metabolites in real time. Here, we show that using diethyl-[1-13C]-α-KG as a probe in HP-13C-MRS allows for noninvasive tracing of α-KG metabolism in vivo.
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Affiliation(s)
- Jenna E. AbuSalim
- Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States; Department of Radiation Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Kazutoshi Yamamoto
- Radiation Biology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Natsuko Miura
- Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Burchelle Blackman
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Jeffrey R. Brender
- Radiation Biology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Chandrasekhar Mushti
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Tomohiro Seki
- Radiation Biology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Kevin A. Camphausen
- Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Rolf E. Swenson
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Murali C. Krishna
- Radiation Biology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Aparna H. Kesarwala
- Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States; Department of Radiation Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia 30322, United States
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44
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DLST-dependence dictates metabolic heterogeneity in TCA-cycle usage among triple-negative breast cancer. Commun Biol 2021; 4:1289. [PMID: 34785772 PMCID: PMC8595664 DOI: 10.1038/s42003-021-02805-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 10/20/2021] [Indexed: 12/30/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is traditionally considered a glycolytic tumor with a poor prognosis while lacking targeted therapies. Here we show that high expression of dihydrolipoamide S-succinyltransferase (DLST), a tricarboxylic acid (TCA) cycle enzyme, predicts poor overall and recurrence-free survival among TNBC patients. DLST depletion suppresses growth and induces death in subsets of human TNBC cell lines, which are capable of utilizing glutamine anaplerosis. Metabolomics profiling reveals significant changes in the TCA cycle and reactive oxygen species (ROS) related pathways for sensitive but not resistant TNBC cells. Consequently, DLST depletion in sensitive TNBC cells increases ROS levels while N-acetyl-L-cysteine partially rescues cell growth. Importantly, suppression of the TCA cycle through DLST depletion or CPI-613, a drug currently in clinical trials for treating other cancers, decreases the burden and invasion of these TNBC. Together, our data demonstrate differential TCA-cycle usage in TNBC and provide therapeutic implications for the DLST-dependent subsets.
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45
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Vallée A, Lecarpentier Y, Vallée JN. The Key Role of the WNT/β-Catenin Pathway in Metabolic Reprogramming in Cancers under Normoxic Conditions. Cancers (Basel) 2021; 13:cancers13215557. [PMID: 34771718 PMCID: PMC8582658 DOI: 10.3390/cancers13215557] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/03/2021] [Accepted: 11/04/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary The canonical WNT/β-catenin pathway is upregulated in cancers and plays a major role in proliferation, invasion, apoptosis and angiogenesis. Recent studies have shown that cancer processes are involved under normoxic conditions. These findings completely change the way of approaching the study of the cancer process. In this review, we focus on the fact that, under normoxic conditions, the overstimulation of the WNT/β-catenin pathway leads to modifications in the tumor micro-environment and the activation of the Warburg effect, i.e., aerobic glycolysis, autophagy and glutaminolysis, which in turn participate in tumor growth. Abstract The canonical WNT/β-catenin pathway is upregulated in cancers and plays a major role in proliferation, invasion, apoptosis and angiogenesis. Nuclear β-catenin accumulation is associated with cancer. Hypoxic mechanisms lead to the activation of the hypoxia-inducible factor (HIF)-1α, promoting glycolytic and energetic metabolism and angiogenesis. However, HIF-1α is degraded by the HIF prolyl hydroxylase under normoxia, conditions under which the WNT/β-catenin pathway can activate HIF-1α. This review is therefore focused on the interaction between the upregulated WNT/β-catenin pathway and the metabolic processes underlying cancer mechanisms under normoxic conditions. The WNT pathway stimulates the PI3K/Akt pathway, the STAT3 pathway and the transduction of WNT/β-catenin target genes (such as c-Myc) to activate HIF-1α activity in a hypoxia-independent manner. In cancers, stimulation of the WNT/β-catenin pathway induces many glycolytic enzymes, which in turn induce metabolic reprogramming, known as the Warburg effect or aerobic glycolysis, leading to lactate overproduction. The activation of the Wnt/β-catenin pathway induces gene transactivation via WNT target genes, c-Myc and cyclin D1, or via HIF-1α. This in turn encodes aerobic glycolysis enzymes, including glucose transporter, hexokinase 2, pyruvate kinase M2, pyruvate dehydrogenase kinase 1 and lactate dehydrogenase-A, leading to lactate production. The increase in lactate production is associated with modifications to the tumor microenvironment and tumor growth under normoxic conditions. Moreover, increased lactate production is associated with overexpression of VEGF, a key inducer of angiogenesis. Thus, under normoxic conditions, overstimulation of the WNT/β-catenin pathway leads to modifications of the tumor microenvironment and activation of the Warburg effect, autophagy and glutaminolysis, which in turn participate in tumor growth.
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Affiliation(s)
- Alexandre Vallée
- Department of Clinical Research and Innovation (DRCI), Foch Hospital, 92150 Suresnes, France
- Correspondence:
| | - Yves Lecarpentier
- Centre de Recherche Clinique, Grand Hôpital de l’Est Francilien (GHEF), 6-8 Rue Saint-Fiacre, 77100 Meaux, France;
| | - Jean-Noël Vallée
- Centre Hospitalier Universitaire (CHU) Amiens Picardie, Université Picardie Jules Verne (UPJV), 80054 Amiens, France;
- Laboratoire de Mathématiques et Applications (LMA), UMR, CNRS 7348, Université de Poitiers, 86000 Poitiers, France
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Patra S, Elahi N, Armorer A, Arunachalam S, Omala J, Hamid I, Ashton AW, Joyce D, Jiao X, Pestell RG. Mechanisms Governing Metabolic Heterogeneity in Breast Cancer and Other Tumors. Front Oncol 2021; 11:700629. [PMID: 34631530 PMCID: PMC8495201 DOI: 10.3389/fonc.2021.700629] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 08/30/2021] [Indexed: 12/14/2022] Open
Abstract
Reprogramming of metabolic priorities promotes tumor progression. Our understanding of the Warburg effect, based on studies of cultured cancer cells, has evolved to a more complex understanding of tumor metabolism within an ecosystem that provides and catabolizes diverse nutrients provided by the local tumor microenvironment. Recent studies have illustrated that heterogeneous metabolic changes occur at the level of tumor type, tumor subtype, within the tumor itself, and within the tumor microenvironment. Thus, altered metabolism occurs in cancer cells and in the tumor microenvironment (fibroblasts, immune cells and fat cells). Herein we describe how these growth advantages are obtained through either “convergent” genetic changes, in which common metabolic properties are induced as a final common pathway induced by diverse oncogene factors, or “divergent” genetic changes, in which distinct factors lead to subtype-selective phenotypes and thereby tumor heterogeneity. Metabolic heterogeneity allows subtyping of cancers and further metabolic heterogeneity occurs within the same tumor mass thought of as “microenvironmental metabolic nesting”. Furthermore, recent findings show that mutations of metabolic genes arise in the majority of tumors providing an opportunity for the development of more robust metabolic models of an individual patient’s tumor. The focus of this review is on the mechanisms governing this metabolic heterogeneity in breast cancer.
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Affiliation(s)
- Sayani Patra
- Pensylvania Cancer and Regenerative Medicine Research Center, Baruch S. Blumberg Institute, Wynnewood, PA, United States.,Xavier University School of Medicine at Aruba, Oranjestad, Aruba
| | - Naveed Elahi
- Pensylvania Cancer and Regenerative Medicine Research Center, Baruch S. Blumberg Institute, Wynnewood, PA, United States.,Xavier University School of Medicine at Aruba, Oranjestad, Aruba
| | - Aaron Armorer
- Pensylvania Cancer and Regenerative Medicine Research Center, Baruch S. Blumberg Institute, Wynnewood, PA, United States.,Xavier University School of Medicine at Aruba, Oranjestad, Aruba
| | - Swathi Arunachalam
- Pensylvania Cancer and Regenerative Medicine Research Center, Baruch S. Blumberg Institute, Wynnewood, PA, United States.,Xavier University School of Medicine at Aruba, Oranjestad, Aruba
| | - Joshua Omala
- Pensylvania Cancer and Regenerative Medicine Research Center, Baruch S. Blumberg Institute, Wynnewood, PA, United States.,Xavier University School of Medicine at Aruba, Oranjestad, Aruba
| | - Iman Hamid
- Pensylvania Cancer and Regenerative Medicine Research Center, Baruch S. Blumberg Institute, Wynnewood, PA, United States.,Xavier University School of Medicine at Aruba, Oranjestad, Aruba
| | - Anthony W Ashton
- Xavier University School of Medicine at Aruba, Oranjestad, Aruba.,Program in Cardiovascular Medicine, Lankenau Institute for Medical Research, Wynnewood, PA, United States
| | - David Joyce
- Medical School, Faculty of Health and Medical Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Xuanmao Jiao
- Pensylvania Cancer and Regenerative Medicine Research Center, Baruch S. Blumberg Institute, Wynnewood, PA, United States.,Xavier University School of Medicine at Aruba, Oranjestad, Aruba
| | - Richard G Pestell
- Pensylvania Cancer and Regenerative Medicine Research Center, Baruch S. Blumberg Institute, Wynnewood, PA, United States.,Xavier University School of Medicine at Aruba, Oranjestad, Aruba.,Cancer Center, Wistar Institute, Philadelphia, PA, United States
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USP15 antagonizes CRL4 CRBN-mediated ubiquitylation of glutamine synthetase and neosubstrates. Proc Natl Acad Sci U S A 2021; 118:2111391118. [PMID: 34583995 DOI: 10.1073/pnas.2111391118] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2021] [Indexed: 12/13/2022] Open
Abstract
Targeted protein degradation by the ubiquitin-proteasome system represents a new strategy to destroy pathogenic proteins in human diseases, including cancer and neurodegenerative diseases. The immunomodulatory drugs (IMiDs) thalidomide, lenalidomide, and pomalidomide have revolutionized the treatment of patients with multiple myeloma (MM) and other hematologic malignancies, but almost all patients eventually develop resistance to IMiDs. CRBN, a substrate receptor of CUL4-RBX1-DDB1-CRBN (CRL4CRBN) E3 ubiquitin ligase, is a direct target for thalidomide teratogenicity and antitumor activity of IMiDs (now known as Cereblon E3 ligase modulators: CELMoDs). Despite recent advances in developing potent CELMoDs and CRBN-based proteolysis-targeting chimeras (PROTACs), many questions apart from clinical efficacy remain unanswered. CRBN is required for the action of IMiDs, but its protein expression levels do not correlate with intrinsic resistance to IMiDs in MM cells, suggesting other factors involved in regulating resistance to IMiDs. Our recent work revealed that the CRL4CRBN-p97 pathway is required for degradation of natural substrate glutamine synthetase (GS) and neosubstrates. Here, I show that USP15 is a key regulator of the CRL4CRBN-p97 pathway to control stability of GS and neosubstrates IKZF1, IKZF3, CK1-α, RNF166, GSPT1, and BRD4, all of which are crucial drug targets in different types of cancer. USP15 antagonizes ubiquitylation of CRL4CRBN target proteins, thereby preventing their degradation. Notably, USP15 is highly expressed in IMiD-resistant cells, and depletion of USP15 sensitizes these cells to lenalidomide. Inhibition of USP15 represents a valuable therapeutic opportunity to potentiate CELMoD and CRBN-based PROTAC therapies for the treatment of cancer.
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48
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Fukano M, Park M, Deblois G. Metabolic Flexibility Is a Determinant of Breast Cancer Heterogeneity and Progression. Cancers (Basel) 2021; 13:4699. [PMID: 34572926 PMCID: PMC8467722 DOI: 10.3390/cancers13184699] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/13/2021] [Accepted: 09/16/2021] [Indexed: 12/13/2022] Open
Abstract
Breast cancer progression is characterized by changes in cellular metabolism that contribute to enhanced tumour growth and adaptation to microenvironmental stresses. Metabolic changes within breast tumours are still poorly understood and are not as yet exploited for therapeutic intervention, in part due to a high level of metabolic heterogeneity within tumours. The metabolic profiles of breast cancer cells are flexible, providing dynamic switches in metabolic states to accommodate nutrient and energy demands and further aggravating the challenges of targeting metabolic dependencies in cancer. In this review, we discuss the intrinsic and extrinsic factors that contribute to metabolic heterogeneity of breast tumours. Next, we examine how metabolic flexibility, which contributes to the metabolic heterogeneity of breast tumours, can alter epigenetic landscapes and increase a variety of pro-tumorigenic functions. Finally, we highlight the difficulties in pharmacologically targeting the metabolic adaptations of breast tumours and provide an overview of possible strategies to sensitize heterogeneous breast tumours to the targeting of metabolic vulnerabilities.
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Affiliation(s)
- Marina Fukano
- Institute for Research in Immunology and Cancer (IRIC), University of Montréal, Montréal, QC H3T 1J4, Canada;
- Faculty of Medicine and Health Sciences, McGill University, Montréal, QC H3G 2M1, Canada;
- Rosalind & Morris Goodman Cancer Institute (GCI), McGill University, Montréal, QC H3A 1A3, Canada
| | - Morag Park
- Faculty of Medicine and Health Sciences, McGill University, Montréal, QC H3G 2M1, Canada;
- Rosalind & Morris Goodman Cancer Institute (GCI), McGill University, Montréal, QC H3A 1A3, Canada
| | - Geneviève Deblois
- Institute for Research in Immunology and Cancer (IRIC), University of Montréal, Montréal, QC H3T 1J4, Canada;
- Rosalind & Morris Goodman Cancer Institute (GCI), McGill University, Montréal, QC H3A 1A3, Canada
- Faculté de Pharmacie, Université de Montréal, Montréal, QC H3T 1J4, Canada
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Harding JJ, Telli M, Munster P, Voss MH, Infante JR, DeMichele A, Dunphy M, Le MH, Molineaux C, Orford K, Parlati F, Whiting SH, Bennett MK, Tannir NM, Meric-Bernstam F. A Phase I Dose-Escalation and Expansion Study of Telaglenastat in Patients with Advanced or Metastatic Solid Tumors. Clin Cancer Res 2021; 27:4994-5003. [PMID: 34285061 PMCID: PMC9401498 DOI: 10.1158/1078-0432.ccr-21-1204] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/02/2021] [Accepted: 07/15/2021] [Indexed: 01/07/2023]
Abstract
PURPOSE Glutamine is a critical fuel for solid tumors. Interference with glutamine metabolism is deleterious to neoplasia in preclinical models. A phase I study of the oral, first-in-class, glutaminase (GLS) inhibitor telaglenastat was conducted in treatment-refractory solid tumor patients to define recommended phase II dose (RP2D) and evaluate safety, pharmacokinetics (PK), pharmacodynamics (PD), and antitumor activity. PATIENTS AND METHODS Dose escalation by 3 + 3 design was followed by exploratory tumor-/biomarker-specific cohorts. RESULTS Among 120 patients, fatigue (23%) and nausea (19%) were the most common toxicity. Maximum tolerated dose was not reached. Correlative analysis indicated >90% GLS inhibition in platelets at plasma exposures >300 nmol/L, >75% tumoral GLS inhibition, and significant increase in circulating glutamine. RP2D was defined at 800 mg twice-daily. Disease control rate (DCR) was 43% across expansion cohorts (overall response rate 5%, DCR 50% in renal cell carcinoma). CONCLUSIONS Telaglenastat is safe, with a favorable PK/PD profile and signal of antitumor activity, supporting further clinical development.
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Affiliation(s)
- James J. Harding
- Memorial Sloan Kettering Cancer Center and Weill Medical College, New York, New York.,Corresponding Author: James J. Harding, Memorial Sloan Kettering Cancer Center, 300 East 66th Street, New York, NY. Phone: 646-888-4314; Fax: 646-888-4255; E-mail:
| | - Melinda Telli
- Stanford University School of Medicine, Stanford, California
| | - Pamela Munster
- University of California at San Francisco, San Francisco, California
| | - Martin H. Voss
- Memorial Sloan Kettering Cancer Center and Weill Medical College, New York, New York
| | - Jeffrey R. Infante
- Sarah Canon Research Institute, Tennessee Oncology PLLC, Nashville, Tennessee
| | | | - Mark Dunphy
- Memorial Sloan Kettering Cancer Center and Weill Medical College, New York, New York
| | - Mai H. Le
- Calithera Biosciences, Inc., South San Francisco, California
| | - Chris Molineaux
- Calithera Biosciences, Inc., South San Francisco, California
| | - Keith Orford
- Calithera Biosciences, Inc., South San Francisco, California
| | - Frank Parlati
- Calithera Biosciences, Inc., South San Francisco, California
| | - Sam H. Whiting
- Calithera Biosciences, Inc., South San Francisco, California
| | - Mark K. Bennett
- Calithera Biosciences, Inc., South San Francisco, California
| | - Nizar M. Tannir
- The University of Texas MD Anderson Cancer Center, Houston, Texas
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50
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Jhu JW, Yan JB, Lin ZH, Lin SC, Peng IC. SREBP1-Induced Glutamine Synthetase Triggers a Feedforward Loop to Upregulate SREBP1 through Sp1 O-GlcNAcylation and Augments Lipid Droplet Formation in Cancer Cells. Int J Mol Sci 2021; 22:9814. [PMID: 34575972 PMCID: PMC8469118 DOI: 10.3390/ijms22189814] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 12/11/2022] Open
Abstract
Glutamine and lipids are two important components of proliferating cancer cells. Studies have demonstrated that glutamine synthetase (GS) boosts glutamine-dependent anabolic processes for nucleotide and protein synthesis, but the role of GS in regulating lipogenesis remains unclear. This study identified that insulin and glutamine deprivation activated the lipogenic transcription factor sterol regulatory element-binding protein 1 (SREBP1) that bound to the GS promoter and increased its transcription. Notably, GS enhanced the O-linked N-acetylglucosaminylation (O-GlcNAcylation) of the specificity protein 1 (Sp1) that induced SREBP1/acetyl-CoA carboxylase 1 (ACC1) expression resulting in lipid droplet (LD) accumulation upon insulin treatment. Moreover, glutamine deprivation induced LD formation through GS-mediated O-GlcNAc-Sp1/SREBP1/ACC1 signaling and supported cell survival. These findings demonstrate that insulin and glutamine deprivation induces SREBP1 that transcriptionally activates GS, resulting in Sp1 O-GlcNAcylation. Subsequently, O-GlcNAc-Sp1 transcriptionally upregulates the expression of SREBP1, resulting in a feedforward loop that increases lipogenesis and LD formation in liver and breast cancer cells.
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Affiliation(s)
- Jin-Wei Jhu
- Department of Life Sciences, National Cheng Kung University, Tainan City 701, Taiwan; (J.-W.J.); (J.-B.Y.); (Z.-H.L.)
| | - Jia-Bao Yan
- Department of Life Sciences, National Cheng Kung University, Tainan City 701, Taiwan; (J.-W.J.); (J.-B.Y.); (Z.-H.L.)
| | - Zou-Han Lin
- Department of Life Sciences, National Cheng Kung University, Tainan City 701, Taiwan; (J.-W.J.); (J.-B.Y.); (Z.-H.L.)
| | - Shih-Chieh Lin
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan City 701, Taiwan;
| | - I-Chen Peng
- Department of Life Sciences, National Cheng Kung University, Tainan City 701, Taiwan; (J.-W.J.); (J.-B.Y.); (Z.-H.L.)
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