1
|
Wang Y, Liu T, Cai Y, Liu W, Guo J. SIRT6's function in controlling the metabolism of lipids and glucose in diabetic nephropathy. Front Endocrinol (Lausanne) 2023; 14:1244705. [PMID: 37876546 PMCID: PMC10591331 DOI: 10.3389/fendo.2023.1244705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 09/21/2023] [Indexed: 10/26/2023] Open
Abstract
Diabetic nephropathy (DN) is a complication of diabetes mellitus (DM) and the main cause of excess mortality in patients with type 2 DM. The pathogenesis and progression of DN are closely associated with disorders of glucose and lipid metabolism. As a member of the sirtuin family, SIRT6 has deacetylation, defatty-acylation, and adenosine diphosphate-ribosylation enzyme activities as well as anti-aging and anticancer activities. SIRT6 plays an important role in glucose and lipid metabolism and signaling, especially in DN. SIRT6 improves glucose and lipid metabolism by controlling glycolysis and gluconeogenesis, affecting insulin secretion and transmission and regulating lipid decomposition, transport, and synthesis. Targeting SIRT6 may provide a new therapeutic strategy for DN by improving glucose and lipid metabolism. This review elaborates on the important role of SIRT6 in glucose and lipid metabolism, discusses the potential of SIRT6 as a therapeutic target to improve glucose and lipid metabolism and alleviate DN occurrence and progression of DN, and describes the prospects for future research.
Collapse
Affiliation(s)
- Ying Wang
- Country Renal Research Institution of Beijing University of Chinese Medicine, Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Tongtong Liu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuzi Cai
- Country Renal Research Institution of Beijing University of Chinese Medicine, Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Weijing Liu
- Country Renal Research Institution of Beijing University of Chinese Medicine, Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Jing Guo
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| |
Collapse
|
2
|
Zhao K, Zheng M, Su Z, Ghosh S, Zhang C, Zhong W, Ho JWK, Jin G, Zhou Z. MOF-mediated acetylation of SIRT6 disrupts SIRT6-FOXA2 interaction and represses SIRT6 tumor-suppressive function by upregulating ZEB2 in NSCLC. Cell Rep 2023; 42:112939. [PMID: 37566546 DOI: 10.1016/j.celrep.2023.112939] [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: 10/10/2022] [Revised: 06/05/2023] [Accepted: 07/20/2023] [Indexed: 08/13/2023] Open
Abstract
Mammalian sirtuin 6 (SIRT6) regulates a spectrum of vital biological processes and has long been implicated in the progression of cancer. However, the mechanisms underlying the regulation of SIRT6 in tumorigenesis remain elusive. Here, we report that the tumor-suppressive function of SIRT6 in non-small cell lung cancer (NSCLC) is regulated by acetylation. Specifically, males absent on the first (MOF) acetylates SIRT6 at K128, K160, and K267, resulting in a decreased deacetylase activity of SIRT6 and attenuated SIRT6 tumor-suppressive function in NSCLC. Mechanistically, MOF-mediated SIRT6 acetylation hinders the interaction between SIRT6 and transcriptional factor FOXA2, which in turn leads to the transcriptional activation of ZEB2, thus promoting NSCLC progression. Collectively, these data indicate an acetylation-dependent mechanism that modulates SIRT6 tumor-suppressive function in NSCLC. Our findings suggest that the MOF-SIRT6-ZEB2 axis may represent a promising therapeutic target for the management of NSCLC.
Collapse
Affiliation(s)
- Kaiqiang Zhao
- Medical Research Center, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, P.R. China; School of Biomedical Sciences, The University of Hong Kong, Hong Kong SAR, P.R. China; Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong SAR, P.R. China
| | - Mingyue Zheng
- Medical Research Center, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, P.R. China
| | - Zezhuo Su
- School of Biomedical Sciences, The University of Hong Kong, Hong Kong SAR, P.R. China; Laboratory of Data Discovery for Health Limited (D24H), Hong Kong Science Park, Hong Kong SAR, P.R. China
| | - Shrestha Ghosh
- School of Biomedical Sciences, The University of Hong Kong, Hong Kong SAR, P.R. China; Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Chao Zhang
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital & Guangdong Academy of Medical Sciences, Guangzhou 510080, P.R. China
| | - Wenzhao Zhong
- Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital & Guangdong Academy of Medical Sciences, Guangzhou 510080, P.R. China
| | - Joshua Wing Kei Ho
- School of Biomedical Sciences, The University of Hong Kong, Hong Kong SAR, P.R. China; Laboratory of Data Discovery for Health Limited (D24H), Hong Kong Science Park, Hong Kong SAR, P.R. China
| | - Guoxiang Jin
- Medical Research Center, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, P.R. China.
| | - Zhongjun Zhou
- Medical Research Center, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, P.R. China; School of Biomedical Sciences, The University of Hong Kong, Hong Kong SAR, P.R. China; Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong SAR, P.R. China; Reproductive Medical Center, The University of Hong Kong Shenzhen Hospital, Shenzhen, P.R. China.
| |
Collapse
|
3
|
Deng J, Zeng X, Hu W, Yue T, Luo Z, Zeng L, Li P, Chen J. Different doses of bevacizumab in combination with chemotherapy for advanced colorectal cancer: a meta-analysis and Bayesian analysis. Int J Colorectal Dis 2023; 38:164. [PMID: 37289304 DOI: 10.1007/s00384-023-04442-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/21/2023] [Indexed: 06/09/2023]
Abstract
OBJECTIVE The aim of the present study was to explore the incremental benefit of bevacizumab (Bev) in the treatment of advanced colorectal cancer (CRC) with different doses. METHODS A literature search of eight electronic databases (China National Knowledge Infrastructure, Wanfang databases, Chinese Biomedical Database, VIP medicine information, Cochrane Library, MEDLINE, PubMed, and EMBASE) was conducted from database creation to December 2022. Randomized controlled trials (RCTs) that compared Bev at various dosages + chemotherapy (CT) versus placebo (or blank control) + CT were selected. The overall survival (OS), progression-free survival (PFS), overall response rate (ORR; complete response [CR] + partial response [PR]), and grade ≥ 3 adverse events (AEs) were integrated first by pooled analysis. The likelihood of ideal dosage of Bev was then ranked using random effects within Bayesian analysis. RESULTS Twenty-six RCTs involving 18,261 patients met the inclusion criteria. OS increased significantly after using 5 mg (HR: 0.87, 95% CI 0.75 to 1.00) and 10 mg dosages of Bev (HR: 0.75, 95% CI 0.66 to 0.85) with CT, but statistical significance was not attained for the 7.5 mg dose (HR: 0.95, 95% CI 0.83 to 1.08). A significantly increased in PFS with doses of 5 mg (HR: 0.69, 95% CI 0.58 to 0.83), 7.5 mg (HR: 0.81, 95% CI 0.66 to 1.00), and 10 mg (HR: 0.60, 95% CI 0.53 to 0.68). ORR distinctly increased after 5 mg (RR: 1.34, 95% CI 1.15 to 1.55), 7.5 mg (RR: 1.25, 95% CI 1.05 to 1.50), and10 mg (RR: 2.27, 95% CI 1.82 to 2.84) doses were administered. Grade ≥ 3 AEs increased clearly in 5 mg (RR: 1.11, 95% CI 1.04 to 1.20) compared to 7.5 mg (RR: 1.05, 95% CI 0.82 to 1.35) and 10 mg (RR: 1.15, 95% CI 0.98 to 1.36). Bayesian analysis demonstrated that 10 mg Bev obtained the maximum time of OS (HR: 0.75, 95% CrI 0.58 to 0.97; probability rank = 0.05) indirectly compared to 5 mg and 7.5 mg Bev. Compared with 5 mg and 7.5 mg Bev, 10 mg Bev also holds the longest duration for PFS (HR: 0.59, 95% CrI 0.43 to 0.82; probability rank = 0.00). In terms of ORR, 10 mg Bev holds the maximum frequency (RR: 2.02, 95% CrI 1.52 to 2.66; probability rank = 0.98) in comparison to 5 mg and 7.5 mg Bev clearly. For grade ≥ 3 AEs, 10 mg Bev has the maximum incidence (RR: 1.15, 95% CrI 0.95 to 1.40, probability rank = 0.67) in comparison to other doses of Bev. CONCLUSION The study suggests that 10 mg dose Bev could be more effective in treating advanced CRC in efficacy, but 5 mg Bev could be more safer in terms of safety.
Collapse
Affiliation(s)
- Jia Deng
- College of Clinical Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Xinglin Zeng
- College of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wenting Hu
- College of Clinical Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Tinghui Yue
- College of Clinical Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Zicheng Luo
- College of Clinical Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Lian Zeng
- College of Clinical Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Ping Li
- Colorectal and Anal Surgery, the First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, No 71 Baoshan North Road, Guiyang, 550001, China.
| | - Jiang Chen
- Colorectal and Anal Surgery, the First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, No 71 Baoshan North Road, Guiyang, 550001, China.
| |
Collapse
|
4
|
KAT8 acetylation-controlled lipolysis affects the invasive and migratory potential of colorectal cancer cells. Cell Death Dis 2023; 14:164. [PMID: 36849520 PMCID: PMC9970984 DOI: 10.1038/s41419-023-05582-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 12/18/2022] [Accepted: 01/11/2023] [Indexed: 03/01/2023]
Abstract
Epigenetic mechanisms involved in gene expression play an essential role in various cellular processes, including lipid metabolism. Lysine acetyltransferase 8 (KAT8), a histone acetyltransferase, has been reported to mediate de novo lipogenesis by acetylating fatty acid synthase. However, the effect of KAT8 on lipolysis is unclear. Here, we report a novel mechanism of KAT8 on lipolysis involving in its acetylation by general control non-repressed protein 5 (GCN5) and its deacetylation by Sirtuin 6 (SIRT6). KAT8 acetylation at K168/175 residues attenuates the binding activity of KAT8 and inhibits the recruitment of RNA pol II to the promoter region of the lipolysis-related genes adipose triglyceride lipase (ATGL) and hormone-sensitive lipase (HSL), subsequently down-regulating lipolysis to affect the invasive and migratory potential of colorectal cancer cells. Our findings uncover a novel mechanism that KAT8 acetylation-controlled lipolysis affects invasive and migratory potential in colorectal cancer cells.
Collapse
|
5
|
Zhang J, Zou S, Fang L. Metabolic reprogramming in colorectal cancer: regulatory networks and therapy. Cell Biosci 2023; 13:25. [PMID: 36755301 PMCID: PMC9906896 DOI: 10.1186/s13578-023-00977-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 02/01/2023] [Indexed: 02/10/2023] Open
Abstract
With high prevalence and mortality, together with metabolic reprogramming, colorectal cancer is a leading cause of cancer-related death. Metabolic reprogramming gives tumors the capacity for long-term cell proliferation, making it a distinguishing feature of cancer. Energy and intermediate metabolites produced by metabolic reprogramming fuel the rapid growth of cancer cells. Aberrant metabolic enzyme-mediated tumor metabolism is regulated at multiple levels. Notably, tumor metabolism is affected by nutrient levels, cell interactions, and transcriptional and posttranscriptional regulation. Understanding the crosstalk between metabolic enzymes and colorectal carcinogenesis factors is particularly important to advance research for targeted cancer therapy strategies via the investigation into the aberrant regulation of metabolic pathways. Hence, the abnormal roles and regulation of metabolic enzymes in recent years are reviewed in this paper, which provides an overview of targeted inhibitors for targeting metabolic enzymes in colorectal cancer that have been identified through tumor research or clinical trials.
Collapse
Affiliation(s)
- Jieping Zhang
- grid.12981.330000 0001 2360 039XDepartment of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuanchun Er Heng Road, Guangzhou, 510655 Guangdong China ,Guangdong Institute of Gastroenterology, Guangzhou, 510655 China
| | - Shaomin Zou
- grid.12981.330000 0001 2360 039XDepartment of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuanchun Er Heng Road, Guangzhou, 510655 Guangdong China ,Guangdong Institute of Gastroenterology, Guangzhou, 510655 China
| | - Lekun Fang
- Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuanchun Er Heng Road, Guangzhou, 510655, Guangdong, China. .,Guangdong Institute of Gastroenterology, Guangzhou, 510655, China.
| |
Collapse
|
6
|
Wang X, Song H, Liang J, Jia Y, Zhang Y. Abnormal expression of HADH, an enzyme of fatty acid oxidation, affects tumor development and prognosis (Review). Mol Med Rep 2022; 26:355. [PMID: 36239258 PMCID: PMC9607826 DOI: 10.3892/mmr.2022.12871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 09/29/2022] [Indexed: 11/05/2022] Open
Abstract
Tumor occurrence and progression are closely associated with abnormal energy metabolism and energy metabolism associated with glucose, proteins and lipids. The reprogramming of energy metabolism is one of the hallmarks of cancer. As a form of energy metabolism, fatty acid metabolism includes fatty acid uptake, de novo synthesis and β‑oxidation. In recent years, the role of abnormal fatty acid β‑oxidation in tumors has gradually been recognized. Mitochondrial trifunctional protein (MTP) serves an important role in fatty acid β‑oxidation and HADH (two subtypes: α subunit, HADHA and β subunit, HADHB) are important subunits of MTP. HADH participates in the steps of 2, 3 and 4 fatty acid β‑oxidation. However, there is no review summarizing the specific role of HADH in tumors. Therefore, the present study focused on HADH as the main indicator to explore the changes in fatty acid β‑oxidation in several types of tumors. The present review summarized the changes in HADH in 11 organs (cerebrum, oral cavity, esophagus, liver, pancreas, stomach, colorectum, lymph, lung, breast, kidney), the effect of up‑ and downregulation and the relationship of HADH with prognosis. In summary, HADH can be either a suppressor or a promoter depending on where the tumor is located, which is closely associated with prognostic assessment. HADHA and HADHB have similar prognostic roles in known and comparable tumors.
Collapse
Affiliation(s)
- Xiaoqing Wang
- Department of Pediatric Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong 250021, P.R. China
- Post-doctoral Research Station of Clinical Medicine, Liaocheng People's Hospital, Jinan, Shandong 252004, P.R. China
| | - Honghao Song
- Department of Pediatric Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Junyu Liang
- Department of Thoracic Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Yang Jia
- Post-doctoral Research Station of Clinical Medicine, Liaocheng People's Hospital, Jinan, Shandong 252004, P.R. China
- Department of Thoracic Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Yongfei Zhang
- Department of Dermatology, The First Affiliated Hospital of Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| |
Collapse
|
7
|
Guo Z, Li P, Ge J, Li H. SIRT6 in Aging, Metabolism, Inflammation and Cardiovascular Diseases. Aging Dis 2022; 13:1787-1822. [PMID: 36465178 PMCID: PMC9662279 DOI: 10.14336/ad.2022.0413] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/13/2022] [Indexed: 07/28/2023] Open
Abstract
As an important NAD+-dependent enzyme, SIRT6 has received significant attention since its discovery. In view of observations that SIRT6-deficient animals exhibit genomic instability and metabolic disorders and undergo early death, SIRT6 has long been considered a protein of longevity. Recently, growing evidence has demonstrated that SIRT6 functions as a deacetylase, mono-ADP-ribosyltransferase and long fatty deacylase and participates in a variety of cellular signaling pathways from DNA damage repair in the early stage to disease progression. In this review, we elaborate on the specific substrates and molecular mechanisms of SIRT6 in various physiological and pathological processes in detail, emphasizing its links to aging (genomic damage, telomere integrity, DNA repair), metabolism (glycolysis, gluconeogenesis, insulin secretion and lipid synthesis, lipolysis, thermogenesis), inflammation and cardiovascular diseases (atherosclerosis, cardiac hypertrophy, heart failure, ischemia-reperfusion injury). In addition, the most recent advances regarding SIRT6 modulators (agonists and inhibitors) as potential therapeutic agents for SIRT6-mediated diseases are reviewed.
Collapse
Affiliation(s)
- Zhenyang Guo
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, China.
| | - Peng Li
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, China.
| | - Junbo Ge
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, China.
- Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Hua Li
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, China.
- Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| |
Collapse
|
8
|
Zhao P, Malik S. The phosphorylation to acetylation/methylation cascade in transcriptional regulation: how kinases regulate transcriptional activities of DNA/histone-modifying enzymes. Cell Biosci 2022; 12:83. [PMID: 35659740 PMCID: PMC9164400 DOI: 10.1186/s13578-022-00821-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 05/27/2022] [Indexed: 11/30/2022] Open
Abstract
Transcription factors directly regulate gene expression by recognizing and binding to specific DNA sequences, involving the dynamic alterations of chromatin structure and the formation of a complex with different kinds of cofactors, like DNA/histone modifying-enzymes, chromatin remodeling factors, and cell cycle factors. Despite the significance of transcription factors, it remains unclear to determine how these cofactors are regulated to cooperate with transcription factors, especially DNA/histone modifying-enzymes. It has been known that DNA/histone modifying-enzymes are regulated by post-translational modifications. And the most common and important modification is phosphorylation. Even though various DNA/histone modifying-enzymes have been classified and partly explained how phosphorylated sites of these enzymes function characteristically in recent studies. It still needs to find out the relationship between phosphorylation of these enzymes and the diseases-associated transcriptional regulation. Here this review describes how phosphorylation affects the transcription activity of these enzymes and other functions, including protein stability, subcellular localization, binding to chromatin, and interaction with other proteins.
Collapse
|
9
|
Hou T, Tian Y, Cao Z, Zhang J, Feng T, Tao W, Sun H, Wen H, Lu X, Zhu Q, Li M, Lu X, Liu B, Zhao Y, Yang Y, Zhu WG. Cytoplasmic SIRT6-mediated ACSL5 deacetylation impedes nonalcoholic fatty liver disease by facilitating hepatic fatty acid oxidation. Mol Cell 2022; 82:4099-4115.e9. [PMID: 36208627 DOI: 10.1016/j.molcel.2022.09.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 08/08/2022] [Accepted: 09/16/2022] [Indexed: 11/05/2022]
|
10
|
Liu S, Tian S, Lin T, He X, Eze Ideozu J, Wang R, Wang Y, Yue D, Geng H. G3BP1 regulates breast cancer cell proliferation and metastasis by modulating PKCζ. Front Genet 2022; 13:1034889. [PMID: 36330442 PMCID: PMC9623284 DOI: 10.3389/fgene.2022.1034889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/05/2022] [Indexed: 11/30/2022] Open
Abstract
Breast cancer is a leading cause of death and morbidity among female cancers. Several factors, including hormone levels, lifestyle, and dysregulated RNA-binding proteins, have been associated with the development of breast cancer. Ras-GTPase-activating protein SH3 domain-binding protein 1 (G3BP1) and protein kinase C, Zeta isoform (PKCζ) are oncogenes implicated in numerous cancers, including breast cancer. However, their interaction and role in promoting breast cancer proliferation and metastasis have not been well-characterized. In the present study, we demonstrated that G3BP1 expression was elevated in breast cancer and that knockdown of G3BP1 diminished the proliferation and metastasis of breast cancer cells. Mechanistically, we identified proliferation and a series of metastasis-related properties, including chemotaxis, migration, Golgi polarity localization, and actin polymerization, that were modulated by G3BP1 knockdown. We found that G3BP1 and PKCζ were co-localized and interacted intracellularly, and they co-underwent membrane translocation under EGF stimulation. Following the knockdown of G3BP1, we observed the membrane translocation and phosphorylation of PKCζ were significantly impaired, suggesting that G3BP1 regulates the activation of PKCζ. Our findings indicate that G3BP1 plays multiple roles in breast cancer cell proliferation and metastasis. The activation of PKCζ by G3BP1 may be the specific mechanism underlying the process.
Collapse
Affiliation(s)
- Shuang Liu
- Department of Microbiology, School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Shaoping Tian
- Department of Microbiology, School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Tianyu Lin
- Department of Microbiology, School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Xin He
- Department of Microbiology, School of Medical Laboratory, Tianjin Medical University, Tianjin, China
- Department of Pediatrics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Justin Eze Ideozu
- Genomic Medicine, Genomic Research Center, AbbVie, North Chicago, IL, United States
| | - Rui Wang
- Department of Microbiology, School of Medical Laboratory, Tianjin Medical University, Tianjin, China
| | - Yong Wang
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin Medical University, Tianjin, China
| | - Dan Yue
- Department of Microbiology, School of Medical Laboratory, Tianjin Medical University, Tianjin, China
- *Correspondence: Dan Yue, ; Hua Geng,
| | - Hua Geng
- Department of Microbiology, School of Medical Laboratory, Tianjin Medical University, Tianjin, China
- Center for Intestinal and Liver Inflammation Research, Stanley Manne Children’s Research Institute, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL, United States
- Center Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- *Correspondence: Dan Yue, ; Hua Geng,
| |
Collapse
|
11
|
Cai J, Wang T, Zhou Y, Tang C, Liu Y, Dong Z. Phosphorylation by GSK-3β increases the stability of SIRT6 to alleviate TGF-β-induced fibrotic response in renal tubular cells. Life Sci 2022; 308:120914. [PMID: 36057401 DOI: 10.1016/j.lfs.2022.120914] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/16/2022] [Accepted: 08/24/2022] [Indexed: 10/31/2022]
Abstract
AIMS The deacetylase Sirtuin 6 (SIRT6) is up-regulated during fibrogenesis in renal tubular cells and post-ischemia/reperfusion kidneys. Hence, our aim was to investigate the mechanism of SIRT6 up-regulation upon profibrotic stress. MAIN METHODS Immunohistochemical staining was used to detect the expression of UBC9 in the kidney section. The interaction of GSK-3β and SIRT6, and phosphorylation level of SIRT6 were detected by the immunoprecipitation assay. The wild-type and phosphorylated site mutant plasmids of SIRT6 were constructed and stably transfected to BUMPT cells to evaluate the phosphorylation function of SIRT6 by immunoblotting assay. KEY FINDINGS The phosphorylation of SIRT6 is significantly increased during TGF-β treatment in mouse renal tubular cells. GSK-3β can physically interact with SIRT6 in renal tubular cells, and this interaction is enhanced by TGF-β treatment. Moreover, GSK-3β is the phosphorylation kinase for SIRT6, and phosphorylates SIRT6 at Serine 326 residue to prevent its ubiquitination-mediated proteasomal degradation. Non-phosphorylatable mutant, S326A, of SIRT6, restores β-catenin activation and fibrotic changes in renal tubular cells. SIGNIFICANCE The present study demonstrates that a new mechanism for GSK-3β-mediated anti-fibrotic function in renal fibrosis through phosphorylation of SIRT6 to prevent its proteasomal degradation.
Collapse
Affiliation(s)
- Juan Cai
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Tianshi Wang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yunqian Zhou
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Chengyuan Tang
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Yu Liu
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China.
| | - Zheng Dong
- Department of Nephrology, The Second Xiangya Hospital at Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China; Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, GA, USA; Charlie Norwood VA Medical Center, Augusta, GA, USA.
| |
Collapse
|
12
|
Zhu Y, Lin X, Zhou X, Prochownik EV, Wang F, Li Y. Posttranslational control of lipogenesis in the tumor microenvironment. J Hematol Oncol 2022; 15:120. [PMID: 36038892 PMCID: PMC9422141 DOI: 10.1186/s13045-022-01340-1] [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: 04/13/2022] [Accepted: 08/11/2022] [Indexed: 11/30/2022] Open
Abstract
Metabolic reprogramming of cancer cells within the tumor microenvironment typically occurs in response to increased nutritional, translation and proliferative demands. Altered lipid metabolism is a marker of tumor progression that is frequently observed in aggressive tumors with poor prognosis. Underlying these abnormal metabolic behaviors are posttranslational modifications (PTMs) of lipid metabolism-related enzymes and other factors that can impact their activity and/or subcellular localization. This review focuses on the roles of these PTMs and specifically on how they permit the re-wiring of cancer lipid metabolism, particularly within the context of the tumor microenvironment.
Collapse
Affiliation(s)
- Yahui Zhu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430072, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China.,School of Medicine, Chongqing University, Chongqing, 400030, China
| | - Xingrong Lin
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430072, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China
| | - Xiaojun Zhou
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430072, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China
| | - Edward V Prochownik
- Division of Hematology/Oncology, Children's Hospital of Pittsburgh of UPMC, The Department of Microbiology and Molecular Genetics, The Pittsburgh Liver Research Center and The Hillman Cancer Center of UPMC, The University of Pittsburgh Medical Center, Pittsburgh, PA, 15224, USA
| | - Fubing Wang
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430072, China.
| | - Youjun Li
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430072, China. .,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China.
| |
Collapse
|
13
|
Sekine Y, Yamamoto K, Kurata M, Honda A, Onishi I, Kinowaki Y, Kawade G, Watabe S, Nomura S, Fukuda S, Ishibashi S, Ikeda M, Yamamoto M, Kitagawa M. HADHB, a fatty acid beta-oxidation enzyme, is a potential prognostic predictor in malignant lymphoma. Pathology 2021; 54:286-293. [PMID: 34531036 DOI: 10.1016/j.pathol.2021.06.119] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 06/05/2021] [Accepted: 06/10/2021] [Indexed: 02/08/2023]
Abstract
In haematological malignancies, such as malignant lymphoma, reprogramming of fatty acid metabolism favours tumour cell survival and drug resistance. Hydroxyacyl-CoA dehydrogenase trifunctional multienzyme complex subunit alpha (HADHA), an enzyme involved in fatty acid beta-oxidation (FAO), is overexpressed in high-grade lymphoma and is a predictor of poor prognosis in diffuse large B-cell lymphoma (DLBCL). HADHB forms a heterodimer with HADHA and functions as an FAO enzyme together with HADHA; however, the relevance of its expression in malignant lymphoma is unknown. In this study, we investigated the roles and antitumour effects of HADHB expression in malignant lymphoma. Immunohistochemical analysis showed that HADHB was frequently overexpressed in the high-grade lymphoma subtype. HADHB overexpression was observed in 68% (87/128) of DLBCL cases and was an independent predictor of poor prognosis (p=0.001). In vitro analysis demonstrated that HADHB knockdown suppressed cell proliferation in LCL-K and MD901 cells (p<0.05). Additionally, treatment with the FAO inhibitor, ranolazine, increased cell death in control cells compared with that in HADHB knockdown LCL-K and MD901 cells (p<0.01). Cell death was also suppressed by the ferroptosis inhibitor, ferrosatin-1, in LCL-K and MD901 cells (p<0.05). Collectively, these findings provide basic evidence for the development of new cell death-based therapies for refractory malignant lymphoma. We plan to perform prospective studies and preclinical studies using animal models to confirm these results.
Collapse
Affiliation(s)
- Yuji Sekine
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan; Department of Cardiovascular Surgery, Nara Prefecture General Medical Centre, Nara, Japan
| | - Kouhei Yamamoto
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.
| | - Morito Kurata
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ayaka Honda
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Iichiroh Onishi
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yuko Kinowaki
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Genji Kawade
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shiori Watabe
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Serina Nomura
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Sho Fukuda
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Sachiko Ishibashi
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masumi Ikeda
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masahide Yamamoto
- Department of Hematology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masanobu Kitagawa
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| |
Collapse
|
14
|
Quan J, Bode AM, Luo X. ACSL family: The regulatory mechanisms and therapeutic implications in cancer. Eur J Pharmacol 2021; 909:174397. [PMID: 34332918 DOI: 10.1016/j.ejphar.2021.174397] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 07/14/2021] [Accepted: 07/28/2021] [Indexed: 12/29/2022]
Abstract
Accumulating evidence shows that deregulation of fatty acid (FA) metabolism is associated with the development of cancer. Long-chain acyl-coenzyme A synthases (ACSLs) are responsible for activating long-chain FAs and are frequently deregulated in cancers. Among the five mammalian ACSL family members, ACSL1 is involved in the TNFα-mediated pro-inflammatory phenotype and mainly facilitates cancer progression. ACSL3 is an androgen-responsive gene. High ACSL3 expression has been detected in a variety of cancers, including melanoma, triple-negative breast cancer (TNBC) and high-grade non-small cell lung carcinoma (NSCLC), and correlates with worse prognosis of patients with these diseases. ACSL4 can exert opposing roles acting as a tumor suppressor or as an oncogene depending on the specific cancer type and tissue environment. Moreover, ACSL4 behaves as a crucial regulator in ferroptosis that is defined as a cell death process caused by iron-dependent peroxidation of lipids. ACSL5 is nuclear-coded and expressed in the mitochondria and physiologically participates in the pro-apoptotic sensing of cells. ACSL5 mainly acts as a tumor suppressor in cancers. ACSL6 downregulation has been observed in many forms of cancers, except in colorectal cancer (CRC). Here, we address the differential regulatory mechanisms of the ACSL family members as well as their functions in carcinogenesis. Moreover, we enumerate the clinical therapeutic implications of ACSLs, which might serve as valuable biomarkers and therapeutic targets for precision cancer treatment.
Collapse
Affiliation(s)
- Jing Quan
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Department of Radiology, Xiangya Hospital, Central South University, Changsha, Hunan, 410078, PR China; Cancer Research Institute, School of Basic Medicine, Central South University, Changsha, Hunan, 410078, PR China; Key Laboratory of Carcinogenesis, Chinese Ministry of Health, Changsha, Hunan, 410078, China
| | - Ann M Bode
- The Hormel Institute, University of Minnesota, Austin, MN, 55912, USA
| | - Xiangjian Luo
- Key Laboratory of Carcinogenesis and Invasion, Chinese Ministry of Education, Department of Radiology, Xiangya Hospital, Central South University, Changsha, Hunan, 410078, PR China; Cancer Research Institute, School of Basic Medicine, Central South University, Changsha, Hunan, 410078, PR China; Key Laboratory of Carcinogenesis, Chinese Ministry of Health, Changsha, Hunan, 410078, China; Molecular Imaging Research Center of Central South University, Changsha, Hunan, 410078, China.
| |
Collapse
|
15
|
Li X, Gao M, Zhu S, Yin L, Zhang B, Qi Y, Zhao Y, Yu Y, Xu L. Hengshun Aromatic Vinegar Ameliorates Vascular Endothelial Injury via Regulating PKCζ-Mediated Oxidative Stress and Apoptosis. Front Nutr 2021; 8:635232. [PMID: 34124116 PMCID: PMC8193096 DOI: 10.3389/fnut.2021.635232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 04/23/2021] [Indexed: 01/14/2023] Open
Abstract
Vascular endothelial injury (VEI) is an early event of atherosclerosis, and reversing endothelial dysfunction has become a new trend in the prevention and treatment of cardiovascular diseases. Hengshun aromatic vinegar (HSAV), a traditional vinegar, has been reported to have many pharmacological activities, but its effect against VEI and the molecular mechanism are still unknown. In this study, effects of HSAV on VEI were evaluated in H2O2-induced human umbilical vein endothelial cells (HUVECs) and methionine-induced VEI in rats. Results showed that HSAV significantly increased cell viability, inhibited apoptosis, and reduced the generation of reactive oxygen species (ROS) in H2O2-induced HUVECs. Meanwhile, HSAV decreased serum homocysteine (Hcy), endothelin 1 (ET-1), and oxidized low-density lipoprotein (ox-LDL) levels, increased nitric oxide (NO) and endothelin nitric oxide synthase (eNOS) levels, ameliorated pathological changes in rats with VEI induced by methionine. In parallel, HSAV relieved oxidative stress by decreasing malondialdehyde (MDA) level and increasing superoxide dismutase (SOD), glutathione (GSH), and glutathione peroxidase (GSH-Px) levels in rats with VEI. Mechanism studies indicated that HSAV markedly downregulated the expression of protein kinase C zeta (PKCζ), and consequently regulated sirtuin 1 (Sirt1)-mediated oxidative stress signal pathway, and protein inhibitor of activated STATy (PIASy)-mediated apoptosis pathway, leading to the alleviation of oxidative stress and inhibition of apoptosis. These regulative effects of HSAV were further validated by knockdown and overexpression of PKCζ in vitro. In conclusion, HSAV showed protective effect against VEI by inhibiting PKCζ and, thereby, ameliorating oxidative stress and inhibiting apoptosis. This study not only provides guidance for the consumption of vinegar in daily life but also promotes the development of diet supplement for disease prevention.
Collapse
Affiliation(s)
- Xin Li
- Jiangsu Hengshun Vinegar Industry Co., Ltd., Zhenjiang, China
| | - Meng Gao
- College of Pharmacy, Dalian Medical University, Dalian, China
| | - Shenghu Zhu
- Jiangsu Hengshun Vinegar Industry Co., Ltd., Zhenjiang, China
| | - Lianhong Yin
- College of Pharmacy, Dalian Medical University, Dalian, China
| | - Bao Zhang
- College of Pharmacy, Dalian Medical University, Dalian, China
| | - Yan Qi
- College of Pharmacy, Dalian Medical University, Dalian, China
| | - Yanyan Zhao
- College of Pharmacy, Dalian Medical University, Dalian, China
| | - Yongjian Yu
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Lina Xu
- College of Pharmacy, Dalian Medical University, Dalian, China
| |
Collapse
|
16
|
Zeng F, Yao M, Wang Y, Zheng W, Liu S, Hou Z, Cheng X, Sun S, Li T, Zhao H, Luo Y, Li J. Fatty acid β-oxidation promotes breast cancer stemness and metastasis via the miRNA-328-3p-CPT1A pathway. Cancer Gene Ther 2021; 29:383-395. [PMID: 34045663 PMCID: PMC8940624 DOI: 10.1038/s41417-021-00348-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 05/05/2021] [Accepted: 05/13/2021] [Indexed: 11/09/2022]
Abstract
MicroRNAs (miRNA) have been shown to be associated with tumor diagnosis, prognosis, and therapeutic response. MiR-328-3p plays a significant role in breast cancer growth; however, its actual function and how it modulates specific biological functions is poorly understood. Here, miR-328-3p was significantly downregulated in breast cancer, especially in patients with metastasis. Mitochondrial carnitine palmitoyl transferase 1a (CPT1A) is a downstream target gene in the miR-328-3p-regulated pathway. Furthermore, the miR-328-3p/CPT1A/fatty acid β-oxidation/stemness axis was shown responsible for breast cancer metastasis. Collectively, this study revealed that miR-328-3p is a potential therapeutic target for the treatment of breast cancer patients with metastasis, and also a model for the miRNA-fatty acid β-oxidation-stemness axis, which may assist inunderstanding the cancer stem cell signaling functions of miRNA.
Collapse
Affiliation(s)
- Feng Zeng
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China.,Thyroid and Breast Surgery, The second Affiliated Hospital of Zunyi Medical University, Intersection of Xinpu Avenue and Xinlong Avenue in Xinpu New District, Zunyi, Guizhou, China
| | - Mingkang Yao
- Respiratory medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yun Wang
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Wei Zheng
- Zhongshan Medical College of Sun Yat-sen University, Guangzhou, China
| | - Shengshan Liu
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Zeyu Hou
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Xiaoming Cheng
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Suhong Sun
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Taolang Li
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Hongyuan Zhao
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Yi Luo
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Jiang Li
- Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China. .,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China. .,Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
| |
Collapse
|
17
|
Grootaert MOJ, Finigan A, Figg NL, Uryga AK, Bennett MR. SIRT6 Protects Smooth Muscle Cells From Senescence and Reduces Atherosclerosis. Circ Res 2020; 128:474-491. [PMID: 33353368 PMCID: PMC7899748 DOI: 10.1161/circresaha.120.318353] [Citation(s) in RCA: 131] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Supplemental Digital Content is available in the text. Vascular smooth muscle cell (VSMC) senescence promotes atherosclerosis and features of plaque instability, in part, through lipid-mediated oxidative DNA damage and telomere dysfunction. SIRT6 (Sirtuin 6) is a nuclear deacetylase involved in DNA damage response signaling, inflammation, and metabolism; however, its role in regulating VSMC senescence and atherosclerosis is unclear.
Collapse
Affiliation(s)
- Mandy O J Grootaert
- Division of Cardiovascular Medicine, University of Cambridge, United Kingdom
| | - Alison Finigan
- Division of Cardiovascular Medicine, University of Cambridge, United Kingdom
| | - Nichola L Figg
- Division of Cardiovascular Medicine, University of Cambridge, United Kingdom
| | - Anna K Uryga
- Division of Cardiovascular Medicine, University of Cambridge, United Kingdom
| | - Martin R Bennett
- Division of Cardiovascular Medicine, University of Cambridge, United Kingdom
| |
Collapse
|
18
|
Raj S, Dsouza LA, Singh SP, Kanwal A. Sirt6 Deacetylase: A Potential Key Regulator in the Prevention of Obesity, Diabetes and Neurodegenerative Disease. Front Pharmacol 2020; 11:598326. [PMID: 33442387 PMCID: PMC7797778 DOI: 10.3389/fphar.2020.598326] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 10/27/2020] [Indexed: 12/31/2022] Open
Abstract
Sirtuins, NAD + dependent proteins belonging to class III histone deacetylases, are involved in regulating numerous cellular processes including cellular stress, insulin resistance, inflammation, mitochondrial biogenesis, chromatin silencing, cell cycle regulation, transcription, and apoptosis. Of the seven mammalian sirtuins present in humans, Sirt6 is an essential nuclear sirtuin. Until recently, Sirt6 was thought to regulate chromatin silencing, but new research indicates its role in aging, diabetes, cardiovascular disease, lipid metabolism, neurodegenerative diseases, and cancer. Various murine models demonstrate that Sirt6 activation is beneficial in alleviating many disease conditions and increasing lifespan, showing that Sirt6 is a critical therapeutic target in the treatment of various disease conditions in humans. Sirt6 also regulates the pathogenesis of multiple diseases by acting on histone proteins and non-histone proteins. Endogenous and non-endogenous modulators regulate both activation and inhibition of Sirt6. Few Sirt6 specific non-endogenous modulators have been identified. Hence the identification of Sirt6 specific modulators may have potential therapeutic roles in the diseases described above. In this review, we describe the development of Sirt6, the role it plays in the human condition, the functional role and therapeutic importance in disease processes, and specific modulators and molecular mechanism of Sirt6 in the regulation of metabolic homeostasis, cardiovascular disease, aging, and neurodegenerative disease.
Collapse
Affiliation(s)
- Swapnil Raj
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, India
| | - Liston Augustine Dsouza
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, India
| | - Shailendra Pratap Singh
- Department of Biomedical Engineering, School of Engineering and Technology, Central University of Rajasthan, Kishangarh, India
| | - Abhinav Kanwal
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, India
- Department of Pharmacology, All India Institute of Medical Sciences (AIIMS), Bathinda, India
| |
Collapse
|
19
|
Manandhar SP, Siddiqah IM, Cocca SM, Gharakhanian E. A kinase cascade on the yeast lysosomal vacuole regulates its membrane dynamics: conserved kinase Env7 is phosphorylated by casein kinase Yck3. J Biol Chem 2020; 295:12262-12278. [PMID: 32647006 PMCID: PMC7443493 DOI: 10.1074/jbc.ra119.012346] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 06/02/2020] [Indexed: 01/15/2023] Open
Abstract
Membrane fusion/fission is a highly dynamic and conserved process that responds to intra- and extracellular signals. Whereas the molecular machineries involved in membrane fusion/fission have been dissected, regulation of membrane dynamics remains poorly understood. The lysosomal vacuole of budding yeast (Saccharomyces cerevisiae) has served as a seminal model in studies of membrane dynamics. We have previously established that yeast ENV7 encodes an ortholog of STK16-related kinases that localizes to the vacuolar membrane and downregulates vacuolar membrane fusion. Additionally, we have previously reported that Env7 phosphorylation in vivo depends on YCK3, a gene that encodes a vacuolar membrane casein kinase I (CKI) homolog that nonredundantly functions in fusion regulation. Here, we report that Env7 physically interacts with and is directly phosphorylated by Yck3. We also establish that Env7 vacuole fusion/fission regulation and vacuolar localization are mediated through its Yck3-dependent phosphorylation. Through extensive site-directed mutagenesis, we map phosphorylation to the Env7 C terminus and confirm that Ser-331 is a primary and preferred phosphorylation site. Phospho-deficient Env7 mutants were defective in negative regulation of membrane fusion, increasing the number of prominent vacuoles, whereas a phosphomimetic substitution at Ser-331 increased the number of fragmented vacuoles. Bioinformatics approaches confirmed that Env7 Ser-331 is within a motif that is highly conserved in STK16-related kinases and that it also anchors an SXXS CKI phosphorylation motif (328SRFS331). This study represents the first report on the regulatory mechanism of an STK16-related kinase. It also points to regulation of vacuolar membrane dynamics via a novel Yck3-Env7 kinase cascade.
Collapse
Affiliation(s)
- Surya P Manandhar
- Department of Biological Sciences, California State University at Long Beach, Long Beach, California, USA
| | - Ikha M Siddiqah
- Department of Biological Sciences, California State University at Long Beach, Long Beach, California, USA
| | - Stephanie M Cocca
- Department of Biological Sciences, California State University at Long Beach, Long Beach, California, USA
| | - Editte Gharakhanian
- Department of Biological Sciences, California State University at Long Beach, Long Beach, California, USA.
| |
Collapse
|
20
|
D'Onofrio N, Cacciola NA, Martino E, Borrelli F, Fiorino F, Lombardi A, Neglia G, Balestrieri ML, Campanile G. ROS-Mediated Apoptotic Cell Death of Human Colon Cancer LoVo Cells by Milk δ-Valerobetaine. Sci Rep 2020; 10:8978. [PMID: 32488123 PMCID: PMC7265370 DOI: 10.1038/s41598-020-65865-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 05/11/2020] [Indexed: 12/11/2022] Open
Abstract
δ-Valerobetaine (δVB) is a constitutive milk metabolite with antioxidant and anti-inflammatory activities. Here, we tested the antineoplastic properties of milk δVB on human colorectal cancer cells. CCD 841 CoN (non-tumorigenic), HT-29 (p53 mutant adenocarcinoma) and LoVo (APC/RAS mutant adenocarcinoma) cells were exposed to 3 kDa milk extract, δVB (2 mM) or milk+δVB up to 72 h. Results showed a time- and dose-dependent capability of δVB to inhibit cancer cell viability, with higher potency in LoVo cells. Treatment with milk+δVB arrested cell cycle in G2/M and SubG1 phases by upregulating p21, cyclin A, cyclin B1 and p53 protein expressions. Noteworthy, δVB also increased necrosis (P < 0.01) and when used in combination with milk it improved its activity on live cell reduction (P < 0.05) and necrosis (P < 0.05). δVB-enriched milk activated caspase 3, caspase 9, Bax/Bcl-2 apoptotic pathway and reactive oxygen species (ROS) production, whereas no effects on ROS generation were observed in CCD 841 CoN cells. The altered redox homeostasis induced by milk+δVB was accompanied by upregulation of sirtuin 6 (SIRT6). SIRT6 silencing by small interfering RNA blocked autophagy and apoptosis activated by milk+δVB, unveiling the role of this sirtuin in the ROS-mediated apoptotic LoVo cell death.
Collapse
Affiliation(s)
- Nunzia D'Onofrio
- Department of Precision Medicine, University of Campania L. Vanvitelli, 80138, Naples, Italy
| | - Nunzio Antonio Cacciola
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137, Naples, Italy
- Institute of Sustainable Plant Protection (IPSP), National Research Council (CNR), 80055, Naples, Italy
| | - Elisa Martino
- Department of Precision Medicine, University of Campania L. Vanvitelli, 80138, Naples, Italy
| | - Francesca Borrelli
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131, Naples, Italy
| | - Ferdinando Fiorino
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131, Naples, Italy
| | - Assunta Lombardi
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
| | - Gianluca Neglia
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137, Naples, Italy
| | - Maria Luisa Balestrieri
- Department of Precision Medicine, University of Campania L. Vanvitelli, 80138, Naples, Italy.
| | - Giuseppe Campanile
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137, Naples, Italy
| |
Collapse
|
21
|
Zhu Y, Gu L, Lin X, Liu C, Lu B, Cui K, Zhou F, Zhao Q, Prochownik EV, Fan C, Li Y. Dynamic Regulation of ME1 Phosphorylation and Acetylation Affects Lipid Metabolism and Colorectal Tumorigenesis. Mol Cell 2019; 77:138-149.e5. [PMID: 31735643 DOI: 10.1016/j.molcel.2019.10.015] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 05/14/2019] [Accepted: 10/10/2019] [Indexed: 12/13/2022]
Abstract
PGAM5 is a mitochondrial serine/threonine phosphatase that regulates multiple metabolic pathways and contributes to tumorigenesis in a poorly understood manner. We show here that PGAM5 inhibition attenuates lipid metabolism and colorectal tumorigenesis in mice. PGAM5-mediated dephosphorylation of malic enzyme 1 (ME1) at S336 allows increased ACAT1-mediated K337 acetylation, leading to ME1 dimerization and activation, both of which are reversed by NEK1 kinase-mediated S336 phosphorylation. SIRT6 deacetylase antagonizes ACAT1 function in a manner that involves mutually exclusive ME1 S336 phosphorylation and K337 acetylation. ME1 also promotes nicotinamide adenine dinucleotide phosphate (NADPH) production, lipogenesis, and colorectal cancers in which ME1 transcripts are upregulated and ME1 protein is hypophosphorylated at S336 and hyperacetylated at K337. PGAM5 and ME1 upregulation occur via direct transcriptional activation mediated by β-catenin/TCF1. Thus, the balance between PGAM5-mediated dephosphorylation of ME1 S336 and ACAT1-mediated acetylation of K337 strongly influences NADPH generation, lipid metabolism, and the susceptibility to colorectal tumorigenesis.
Collapse
Affiliation(s)
- Yahui Zhu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, China; Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China
| | - Li Gu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, China; Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China
| | - Xi Lin
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, China; Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China
| | - Cheng Liu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, China; Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China
| | - Bingjun Lu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, China; Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China
| | - Kaisa Cui
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, China; Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China
| | - Feng Zhou
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University School of Medicine, Wuhan 430071 China; Hubei Clinical Center and Key Laboratory for Intestinal and Colorectal Diseases, Wuhan 430071, China
| | - Qiu Zhao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University School of Medicine, Wuhan 430071 China; Hubei Clinical Center and Key Laboratory for Intestinal and Colorectal Diseases, Wuhan 430071, China
| | - Edward V Prochownik
- Division of Hematology/Oncology, Children's Hospital of Pittsburgh of UPMC, The Department of Microbiology and Molecular Genetics, The Pittsburgh Liver Research Center and The Hillman Cancer Center of UPMC, The University of Pittsburgh Medical Center, Pittsburgh, PA 15224, USA
| | - Chengpeng Fan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Youjun Li
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, China; Medical Research Institute, School of Medicine, Wuhan University, Wuhan 430071, China.
| |
Collapse
|