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Adeshakin FO, Adeshakin AO, Liu Z, Cheng J, Zhang P, Yan D, Zhang G, Wan X. Targeting Oxidative Phosphorylation-Proteasome Activity in Extracellular Detached Cells Promotes Anoikis and Inhibits Metastasis. Life (Basel) 2021; 12:life12010042. [PMID: 35054435 PMCID: PMC8779336 DOI: 10.3390/life12010042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/14/2021] [Accepted: 12/15/2021] [Indexed: 12/30/2022] Open
Abstract
Metastasis arises owing to tumor cells’ capacity to evade pro-apoptotic signals. Anoikis—the apoptosis of detached cells (from the extracellular matrix (ECM)) is often circumvented by metastatic cells as a result of biochemical and molecular transformations. These facilitate cells’ ability to survive, invade and reattach to secondary sites. Here, we identified deregulated glucose metabolism, oxidative phosphorylation, and proteasome in anchorage-independent cells compared to adherent cells. Metformin an anti-diabetic drug that reduces blood glucose (also known to inhibit mitochondrial Complex I), and proteasome inhibitors were employed to target these changes. Metformin or proteasome inhibitors alone increased misfolded protein accumulation, sensitized tumor cells to anoikis, and impaired pulmonary metastasis in the B16F10 melanoma model. Mechanistically, metformin reduced cellular ATP production, activated AMPK to foster pro-apoptotic unfolded protein response (UPR) through enhanced expression of CHOP in ECM detached cells. Furthermore, AMPK inhibition reduced misfolded protein accumulation, thus highlight relevance of AMPK activation in facilitating metformin-induced stress and UPR cell death. Our findings provide insights into the molecular biology of anoikis resistance and identified metformin and proteasome inhibitors as potential therapeutic options for tumor metastasis.
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Affiliation(s)
- Funmilayo O. Adeshakin
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
| | - Adeleye O. Adeshakin
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
| | - Zhao Liu
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
| | - Jian Cheng
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
| | - Pengchao Zhang
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
| | - Dehong Yan
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
| | - Guizhong Zhang
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- Correspondence: (G.Z.); (X.W.)
| | - Xiaochun Wan
- Guangdong Immune Cell Therapy Engineering and Technology Research Center, Center for Protein and Cell-Based Drugs, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; (F.O.A.); (A.O.A.); (Z.L.); (J.C.); (P.Z.); (D.Y.)
- University of Chinese Academy of Sciences, Beijing 100864, China
- Correspondence: (G.Z.); (X.W.)
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2
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Snf1 AMPK positively regulates ER-phagy via expression control of Atg39 autophagy receptor in yeast ER stress response. PLoS Genet 2020; 16:e1009053. [PMID: 32986716 PMCID: PMC7544123 DOI: 10.1371/journal.pgen.1009053] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 10/08/2020] [Accepted: 08/14/2020] [Indexed: 12/13/2022] Open
Abstract
Autophagy is a fundamental process responsible for degradation and recycling of intracellular contents. In the budding yeast, non-selective macroautophagy and microautophagy of the endoplasmic reticulum (ER) are caused by ER stress, the circumstance where aberrant proteins accumulate in the ER. The more recent study showed that protein aggregation in the ER initiates ER-selective macroautophagy, referred to as ER-phagy; however, the mechanisms by which ER stress induces ER-phagy have not been fully elucidated. Here, we show that the expression levels of ATG39, encoding an autophagy receptor specific for ER-phagy, are significantly increased under ER-stressed conditions. ATG39 upregulation in ER stress response is mediated by activation of its promoter, which is positively regulated by Snf1 AMP-activated protein kinase (AMPK) and negatively by Mig1 and Mig2 transcriptional repressors. In response to ER stress, Snf1 promotes nuclear export of Mig1 and Mig2. Our results suggest that during ER stress response, Snf1 mediates activation of the ATG39 promoter and consequently facilitates ER-phagy by negatively regulating Mig1 and Mig2.
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MacGilvray ME, Shishkova E, Place M, Wagner ER, Coon JJ, Gasch AP. Phosphoproteome Response to Dithiothreitol Reveals Unique Versus Shared Features of Saccharomyces cerevisiae Stress Responses. J Proteome Res 2020; 19:3405-3417. [PMID: 32597660 DOI: 10.1021/acs.jproteome.0c00253] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
To cope with sudden changes in the external environment, the budding yeast Saccharomyces cerevisiae orchestrates a multifaceted response that spans many levels of physiology. Several studies have interrogated the transcriptome response to endoplasmic reticulum (ER) stress and the role of regulators such as the Ire1 kinase and Hac1 transcription factors. However, less is known about responses to ER stress at other levels of physiology. Here, we used quantitative phosphoproteomics and computational network inference to uncover the yeast phosphoproteome response to the reducing agent dithiothreitol (DTT) and the upstream signaling network that controls it. We profiled wild-type cells and mutants lacking IRE1 or MAPK kinases MKK1 and MKK2, before and at various times after DTT treatment. In addition to revealing downstream targets of these kinases, our inference approach predicted new regulators in the DTT response, including cell-cycle regulator Cdc28 and osmotic-response kinase Rck2, which we validated computationally. Our results also revealed similarities and surprising differences in responses to different stress conditions, especially in the response of protein kinase A targets. These results have implications for the breadth of signaling programs that can give rise to common stress response signatures.
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Affiliation(s)
- Matthew E MacGilvray
- Laboratory of Genetics, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Evgenia Shishkova
- Center for Genomic Science Innovation, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.,Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Michael Place
- Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Ellen R Wagner
- Center for Genomic Science Innovation, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.,Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Joshua J Coon
- Center for Genomic Science Innovation, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.,Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.,Departments of Chemistry and Biomolecular Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.,Morgridge Institute for Research, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Audrey P Gasch
- Laboratory of Genetics, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.,Center for Genomic Science Innovation, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.,Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
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Sariki SK, Kumawat R, Singh V, Tomar RS. Flocculation ofSaccharomyces cerevisiaeis dependent on activation of Slt2 and Rlm1 regulated by the cell wall integrity pathway. Mol Microbiol 2019; 112:1350-1369. [DOI: 10.1111/mmi.14375] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/18/2019] [Indexed: 02/04/2023]
Affiliation(s)
- Santhosh Kumar Sariki
- Laboratory of Chromatin Biology, Department of Biological Sciences Indian Institute of Science Education and Research Bhopal India
| | - Ramesh Kumawat
- Laboratory of Chromatin Biology, Department of Biological Sciences Indian Institute of Science Education and Research Bhopal India
| | - Vikash Singh
- Laboratory of Chromatin Biology, Department of Biological Sciences Indian Institute of Science Education and Research Bhopal India
| | - Raghuvir Singh Tomar
- Laboratory of Chromatin Biology, Department of Biological Sciences Indian Institute of Science Education and Research Bhopal India
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5
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Hayashi N, Oki M. Altered metabolic regulation owing to gsp1 mutations encoding the nuclear small G protein in Saccharomyces cerevisiae. Curr Genet 2019; 66:335-344. [PMID: 31372715 DOI: 10.1007/s00294-019-01022-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/25/2019] [Accepted: 07/25/2019] [Indexed: 11/30/2022]
Abstract
Nutrient metabolism is regulated for adaptation to, for example, environmental alterations, cellular stress, cell cycle, and cellular ageing. This regulatory network consists of cross-talk between cytoplasmic organelles and the nucleus. The ras-like nuclear small G protein, Ran, functions in nuclear-cytosolic transport and regulatory signal transmission. In yeast, some genes involved in the Ran system in yeast are required for growth on glycerol medium. Growth deficiency, due to mutations in the GSP1 gene, which encodes Ran, is allele specific. Specifically in this study, the gsp1-1894 cells lost mitochondria, and could not grow on media containing glycerol, galactose or maltose. However, the gsp1-1894 cells grew better on a high salt medium (1 M NaCl) and had increased expression levels of GPD1-lacZ. Furthermore, disruption of the HOG1 gene suppressed their growth deficiency on glycerol medium. These findings suggest that altered activation of Hog1 in the gsp1-1894 cells resulted in the loss of mitochondria and inhibition of glycerol metabolism. Growth deficiency of the gsp1-1894 cells on galactose medium was further suppressed by high dosage of the SIP2 DNA, which encodes the cytosolic β subunit of AMPK. This suggests that higher cytosolic activity of AMPK is required for the utilization of an alternative carbon source in gsp1-1894 cells.
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Affiliation(s)
- Naoyuki Hayashi
- Department of Health and Nutrition, Faculty of Human Health Science, Kanazawa Gakuin University, 10 Sue-machi, Kanazawa, Ishikawa, 920-1392, Japan.
| | - Masaya Oki
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui, 910-8507, Japan.,Life Science Innovation Center, University of Fukui, 3-9-1 Bunkyo, Fukui, 910-8507, Japan.,PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
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6
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Tripodi F, Castoldi A, Nicastro R, Reghellin V, Lombardi L, Airoldi C, Falletta E, Maffioli E, Scarcia P, Palmieri L, Alberghina L, Agrimi G, Tedeschi G, Coccetti P. Methionine supplementation stimulates mitochondrial respiration. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2018; 1865:1901-1913. [PMID: 30290237 DOI: 10.1016/j.bbamcr.2018.09.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 08/28/2018] [Accepted: 09/23/2018] [Indexed: 10/28/2022]
Abstract
Mitochondria play essential metabolic functions in eukaryotes. Although their major role is the generation of energy in the form of ATP, they are also involved in maintenance of cellular redox state, conversion and biosynthesis of metabolites and signal transduction. Most mitochondrial functions are conserved in eukaryotic systems and mitochondrial dysfunctions trigger several human diseases. By using multi-omics approach, we investigate the effect of methionine supplementation on yeast cellular metabolism, considering its role in the regulation of key cellular processes. Methionine supplementation induces an up-regulation of proteins related to mitochondrial functions such as TCA cycle, electron transport chain and respiration, combined with an enhancement of mitochondrial pyruvate uptake and TCA cycle activity. This metabolic signature is more noticeable in cells lacking Snf1/AMPK, the conserved signalling regulator of energy homeostasis. Remarkably, snf1Δ cells strongly depend on mitochondrial respiration and suppression of pyruvate transport is detrimental for this mutant in methionine condition, indicating that respiration mostly relies on pyruvate flux into mitochondrial pathways. These data provide new insights into the regulation of mitochondrial metabolism and extends our understanding on the role of methionine in regulating energy signalling pathways.
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Affiliation(s)
- Farida Tripodi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy; SYSBIO, Centre of Systems Biology, Milan, Italy
| | - Andrea Castoldi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Raffaele Nicastro
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Veronica Reghellin
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Linda Lombardi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Cristina Airoldi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy; SYSBIO, Centre of Systems Biology, Milan, Italy
| | | | - Elisa Maffioli
- DIMEVET - Department of Veterinary Medicine, University of Milano, Milan, Italy
| | - Pasquale Scarcia
- Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, Italy
| | - Luigi Palmieri
- Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, Italy
| | - Lilia Alberghina
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy; SYSBIO, Centre of Systems Biology, Milan, Italy
| | - Gennaro Agrimi
- Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, Italy.
| | - Gabriella Tedeschi
- DIMEVET - Department of Veterinary Medicine, University of Milano, Milan, Italy.
| | - Paola Coccetti
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy; SYSBIO, Centre of Systems Biology, Milan, Italy.
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7
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Induction of Ptp2 and Cmp2 protein phosphatases is crucial for the adaptive response to ER stress in Saccharomyces cerevisiae. Sci Rep 2018; 8:13078. [PMID: 30166606 PMCID: PMC6117328 DOI: 10.1038/s41598-018-31413-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/20/2018] [Indexed: 11/08/2022] Open
Abstract
Expression control of the protein phosphatase is critically involved in crosstalk and feedback of the cellular signaling. In the budding yeast ER stress response, multiple signaling pathways are activated and play key roles in adaptive reactions. However, it remains unclear how the expression level of the protein phosphatase is modulated during ER stress response. Here, we show that ER stress increases expression of Ptp2 tyrosine phosphatase and Cmp2 calcineurin phosphatase. Upregulation of Ptp2 is due to transcriptional activation mediated by Mpk1 MAP kinase and Rlm1 transcription factor. This induction is important for Ptp2 to effectively downregulate the activity of Hog1 MAP kinase. The budding yeast genome possesses two genes, CMP2 and CNA1, encoding the catalytic subunit of calcineurin phosphatase. CMP2 is more important than CNA1 not only in ER stress response, but also in salt stress response. Higher promoter activity of CMP2 contributes to its relative functional significance in ER stress response, but is less important for salt stress response. Thus, our results suggest that expression control of Ptp2 and Cmp2 protein phosphatases at the promoter level is crucial for adaptive responses to ER stress.
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Lin X, Zhang CY, Meng L, Bai XW, Xiao DG. Overexpression of SNF4 and deletions of REG1- and REG2-enhanced maltose metabolism and leavening ability of baker's yeast in lean dough. J Ind Microbiol Biotechnol 2018; 45:827-838. [PMID: 29936578 DOI: 10.1007/s10295-018-2058-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 06/18/2018] [Indexed: 01/07/2023]
Abstract
Maltose metabolism of baker's yeast (Saccharomyces cerevisiae) in lean dough is suppressed by the glucose effect, which negatively affects dough fermentation. In this study, differences and interactions among SNF4 (encoding for the regulatory subunit of Snf1 kinase) overexpression and REG1 and REG2 (which encodes for the regulatory subunits of the type I protein phosphatase) deletions in maltose metabolism of baker's yeast were investigated using various mutants. Results revealed that SNF4 overexpression and REG1 and REG2 deletions effectively alleviated glucose repression at different levels, thereby enhancing maltose metabolism and leavening ability to varying degrees. SNF4 overexpression combined with REG1/REG2 deletions further enhanced the increases in glucose derepression and maltose metabolism. The overexpressed SNF4 with deleted REG1 and REG2 mutant ΔREG1ΔREG2 + SNF4 displayed the highest maltose metabolism and strongest leavening ability under the test conditions. Such baker's yeast strains had excellent potential applications.
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Affiliation(s)
- Xue Lin
- College of Food Science and Technology, Hainan University, Haikou, 570228, People's Republic of China.,Tianjin Industrial Microbiology Key Laboratory, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, People's Republic of China
| | - Cui-Ying Zhang
- Tianjin Industrial Microbiology Key Laboratory, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, People's Republic of China.
| | - Lu Meng
- College of Food Science and Technology, Hainan University, Haikou, 570228, People's Republic of China
| | - Xiao-Wen Bai
- Tianjin Industrial Microbiology Key Laboratory, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, People's Republic of China
| | - Dong-Guang Xiao
- Tianjin Industrial Microbiology Key Laboratory, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, People's Republic of China.
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