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Wang X, Chen S, Wang X, Song Z, Wang Z, Niu X, Chen X, Chen X. Application of artificial hibernation technology in acute brain injury. Neural Regen Res 2024; 19:1940-1946. [PMID: 38227519 DOI: 10.4103/1673-5374.390968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 10/20/2023] [Indexed: 01/17/2024] Open
Abstract
Controlling intracranial pressure, nerve cell regeneration, and microenvironment regulation are the key issues in reducing mortality and disability in acute brain injury. There is currently a lack of effective treatment methods. Hibernation has the characteristics of low temperature, low metabolism, and hibernation rhythm, as well as protective effects on the nervous, cardiovascular, and motor systems. Artificial hibernation technology is a new technology that can effectively treat acute brain injury by altering the body's metabolism, lowering the body's core temperature, and allowing the body to enter a state similar to hibernation. This review introduces artificial hibernation technology, including mild hypothermia treatment technology, central nervous system regulation technology, and artificial hibernation-inducer technology. Upon summarizing the relevant research on artificial hibernation technology in acute brain injury, the research results show that artificial hibernation technology has neuroprotective, anti-inflammatory, and oxidative stress-resistance effects, indicating that it has therapeutic significance in acute brain injury. Furthermore, artificial hibernation technology can alleviate the damage of ischemic stroke, traumatic brain injury, cerebral hemorrhage, cerebral infarction, and other diseases, providing new strategies for treating acute brain injury. However, artificial hibernation technology is currently in its infancy and has some complications, such as electrolyte imbalance and coagulation disorders, which limit its use. Further research is needed for its clinical application.
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Affiliation(s)
- Xiaoni Wang
- Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Shulian Chen
- Characteristic Medical Center of People's Armed Police Forces, Tianjin, China
| | - Xiaoyu Wang
- Characteristic Medical Center of People's Armed Police Forces, Tianjin, China
| | - Zhen Song
- Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Ziqi Wang
- Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaofei Niu
- Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaochu Chen
- Characteristic Medical Center of People's Armed Police Forces, Tianjin, China
| | - Xuyi Chen
- Characteristic Medical Center of People's Armed Police Forces, Tianjin, China
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2
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Singh PP, Reeves GA, Contrepois K, Papsdorf K, Miklas JW, Ellenberger M, Hu CK, Snyder MP, Brunet A. Evolution of diapause in the African turquoise killifish by remodeling the ancient gene regulatory landscape. Cell 2024:S0092-8674(24)00474-4. [PMID: 38810644 DOI: 10.1016/j.cell.2024.04.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 11/30/2023] [Accepted: 04/30/2024] [Indexed: 05/31/2024]
Abstract
Suspended animation states allow organisms to survive extreme environments. The African turquoise killifish has evolved diapause as a form of suspended development to survive a complete drought. However, the mechanisms underlying the evolution of extreme survival states are unknown. To understand diapause evolution, we performed integrative multi-omics (gene expression, chromatin accessibility, and lipidomics) in the embryos of multiple killifish species. We find that diapause evolved by a recent remodeling of regulatory elements at very ancient gene duplicates (paralogs) present in all vertebrates. CRISPR-Cas9-based perturbations identify the transcription factors REST/NRSF and FOXOs as critical for the diapause gene expression program, including genes involved in lipid metabolism. Indeed, diapause shows a distinct lipid profile, with an increase in triglycerides with very-long-chain fatty acids. Our work suggests a mechanism for the evolution of complex adaptations and offers strategies to promote long-term survival by activating suspended animation programs in other species.
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Affiliation(s)
| | - G Adam Reeves
- Department of Genetics, Stanford University, Stanford, CA, USA
| | - Kévin Contrepois
- Department of Genetics, Stanford University, Stanford, CA, USA; Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA
| | | | - Jason W Miklas
- Department of Genetics, Stanford University, Stanford, CA, USA
| | | | - Chi-Kuo Hu
- Department of Genetics, Stanford University, Stanford, CA, USA
| | - Michael P Snyder
- Department of Genetics, Stanford University, Stanford, CA, USA; Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA; Stanford Diabetes Research Center, Stanford University, Stanford, CA, USA
| | - Anne Brunet
- Department of Genetics, Stanford University, Stanford, CA, USA; Glenn Center for the Biology of Aging, Stanford University, Stanford, CA, USA; Wu Tsai Neurosciences Institute, Stanford University, Stanford, CA, USA; Chan Zuckerberg Biohub, San Francisco, San Francisco, CA, USA.
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3
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Hunt EG, Hurst KE, Riesenberg BP, Kennedy AS, Gandy EJ, Andrews AM, Del Mar Alicea Pauneto C, Ball LE, Wallace ED, Gao P, Meier J, Serody JJ, Coleman MF, Thaxton JE. Acetyl-CoA carboxylase obstructs CD8 + T cell lipid utilization in the tumor microenvironment. Cell Metab 2024; 36:969-983.e10. [PMID: 38490211 DOI: 10.1016/j.cmet.2024.02.009] [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: 04/18/2023] [Revised: 11/10/2023] [Accepted: 02/14/2024] [Indexed: 03/17/2024]
Abstract
The solid tumor microenvironment (TME) imprints a compromised metabolic state in tumor-infiltrating T cells (TILs), hallmarked by the inability to maintain effective energy synthesis for antitumor function and survival. T cells in the TME must catabolize lipids via mitochondrial fatty acid oxidation (FAO) to supply energy in nutrient stress, and it is established that T cells enriched in FAO are adept at cancer control. However, endogenous TILs and unmodified cellular therapy products fail to sustain bioenergetics in tumors. We reveal that the solid TME imposes perpetual acetyl-coenzyme A (CoA) carboxylase (ACC) activity, invoking lipid biogenesis and storage in TILs that opposes FAO. Using metabolic, lipidomic, and confocal imaging strategies, we find that restricting ACC rewires T cell metabolism, enabling energy maintenance in TME stress. Limiting ACC activity potentiates a gene and phenotypic program indicative of T cell longevity, engendering T cells with increased survival and polyfunctionality, which sustains cancer control.
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Affiliation(s)
- Elizabeth G Hunt
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA; Department of Cell Biology & Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Katie E Hurst
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Brian P Riesenberg
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Andrew S Kennedy
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA; Department of Cell Biology & Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Evelyn J Gandy
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Alex M Andrews
- Department of Microbiology & Immunology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Coral Del Mar Alicea Pauneto
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA; Department of Pharmacology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Lauren E Ball
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Emily D Wallace
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Peng Gao
- Department of Medicine, Metabolomics Core Facility, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Jeremy Meier
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA; Department of Microbiology & Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - John J Serody
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA; Department of Microbiology & Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Michael F Coleman
- Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
| | - Jessica E Thaxton
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA; Department of Cell Biology & Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA.
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4
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Pozo-Morales M, Cobham AE, Centola C, McKinney MC, Liu P, Perazzolo C, Lefort A, Libert F, Bai H, Rohner N, Singh SP. Starvation-resistant cavefish reveal conserved mechanisms of starvation-induced hepatic lipotoxicity. Life Sci Alliance 2024; 7:e202302458. [PMID: 38467419 PMCID: PMC10927358 DOI: 10.26508/lsa.202302458] [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: 10/26/2023] [Revised: 02/14/2024] [Accepted: 02/19/2024] [Indexed: 03/13/2024] Open
Abstract
Starvation causes the accumulation of lipid droplets in the liver, a somewhat counterintuitive phenomenon that is nevertheless conserved from flies to humans. Much like fatty liver resulting from overfeeding, hepatic lipid accumulation (steatosis) during undernourishment can lead to lipotoxicity and atrophy of the liver. Here, we found that although surface populations of Astyanax mexicanus undergo this evolutionarily conserved response to starvation, the starvation-resistant cavefish larvae of the same species do not display an accumulation of lipid droplets upon starvation. Moreover, cavefish are resistant to liver atrophy during starvation, providing a unique system to explore strategies for liver protection. Using comparative transcriptomics between zebrafish, surface fish, and cavefish, we identified the fatty acid transporter slc27a2a/fatp2 to be correlated with the development of fatty liver. Pharmacological inhibition of slc27a2a in zebrafish rescues steatosis and atrophy of the liver upon starvation. Furthermore, down-regulation of FATP2 in Drosophila larvae inhibits the development of starvation-induced steatosis, suggesting the evolutionarily conserved importance of the gene in regulating fatty liver upon nutrition deprivation. Overall, our study identifies a conserved, druggable target to protect the liver from atrophy during starvation.
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Affiliation(s)
- Macarena Pozo-Morales
- https://ror.org/01r9htc13 IRIBHM, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Ansa E Cobham
- Stowers Institute for Medical Research, Kansas City, MO, USA
| | - Cielo Centola
- Stowers Institute for Medical Research, Kansas City, MO, USA
| | | | - Peiduo Liu
- Department of Genetics, Development, and Cell Biology, Iowa State University, Ames, IA, USA
| | - Camille Perazzolo
- https://ror.org/01r9htc13 IRIBHM, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Anne Lefort
- https://ror.org/01r9htc13 IRIBHM, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Frédérick Libert
- https://ror.org/01r9htc13 IRIBHM, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Hua Bai
- Department of Genetics, Development, and Cell Biology, Iowa State University, Ames, IA, USA
| | - Nicolas Rohner
- Stowers Institute for Medical Research, Kansas City, MO, USA
- Department of Cell Biology & Physiology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Sumeet Pal Singh
- https://ror.org/01r9htc13 IRIBHM, Université Libre de Bruxelles (ULB), Brussels, Belgium
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Dey P, Rajalaxmi S, Saha P, Thakur PS, Hashmi MA, Lal H, Saini N, Singh N, Ramanathan A. Cold-shock proteome of myoblasts reveals role of RBM3 in promotion of mitochondrial metabolism and myoblast differentiation. Commun Biol 2024; 7:515. [PMID: 38688991 PMCID: PMC11061143 DOI: 10.1038/s42003-024-06196-4] [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: 06/21/2023] [Accepted: 04/15/2024] [Indexed: 05/02/2024] Open
Abstract
Adaptation to hypothermia is important for skeletal muscle cells under physiological stress and is used for therapeutic hypothermia (mild hypothermia at 32 °C). We show that hypothermic preconditioning at 32 °C for 72 hours improves the differentiation of skeletal muscle myoblasts using both C2C12 and primary myoblasts isolated from 3 month and 18-month-old mice. We analyzed the cold-shock proteome of myoblasts exposed to hypothermia (32 °C for 6 and 48 h) and identified significant changes in pathways related to RNA processing and central carbon, fatty acid, and redox metabolism. The analysis revealed that levels of the cold-shock protein RBM3, an RNA-binding protein, increases with both acute and chronic exposure to hypothermic stress, and is necessary for the enhanced differentiation and maintenance of mitochondrial metabolism. We also show that overexpression of RBM3 at 37 °C is sufficient to promote mitochondrial metabolism, cellular proliferation, and differentiation of C2C12 and primary myoblasts. Proteomic analysis of C2C12 myoblasts overexpressing RBM3 show significant enrichment of pathways involved in fatty acid metabolism, RNA metabolism and the electron transport chain. Overall, we show that the cold-shock protein RBM3 is a critical factor that can be used for controlling the metabolic network of myoblasts.
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Affiliation(s)
- Paulami Dey
- Institute for Stem Cell Science and Regenerative Medicine (inStem), GKVK-Post, Bellary Rd, Bengaluru, 560065, Karnataka, India
- SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613401, Tamil Nadu, India
| | - Srujanika Rajalaxmi
- Institute for Stem Cell Science and Regenerative Medicine (inStem), GKVK-Post, Bellary Rd, Bengaluru, 560065, Karnataka, India
| | - Pushpita Saha
- Institute for Stem Cell Science and Regenerative Medicine (inStem), GKVK-Post, Bellary Rd, Bengaluru, 560065, Karnataka, India
| | - Purvi Singh Thakur
- Institute for Stem Cell Science and Regenerative Medicine (inStem), GKVK-Post, Bellary Rd, Bengaluru, 560065, Karnataka, India
| | - Maroof Athar Hashmi
- Institute for Stem Cell Science and Regenerative Medicine (inStem), GKVK-Post, Bellary Rd, Bengaluru, 560065, Karnataka, India
- Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Heera Lal
- Institute for Stem Cell Science and Regenerative Medicine (inStem), GKVK-Post, Bellary Rd, Bengaluru, 560065, Karnataka, India
- Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Nistha Saini
- Institute for Stem Cell Science and Regenerative Medicine (inStem), GKVK-Post, Bellary Rd, Bengaluru, 560065, Karnataka, India
| | - Nirpendra Singh
- Institute for Stem Cell Science and Regenerative Medicine (inStem), GKVK-Post, Bellary Rd, Bengaluru, 560065, Karnataka, India
| | - Arvind Ramanathan
- Institute for Stem Cell Science and Regenerative Medicine (inStem), GKVK-Post, Bellary Rd, Bengaluru, 560065, Karnataka, India.
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6
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Pastorino GA, Sheraj I, Huebner K, Ferrero G, Kunze P, Hartmann A, Hampel C, Husnugil HH, Maiuthed A, Gebhart F, Schlattmann F, Gulec Taskiran AE, Oral G, Palmisano R, Pardini B, Naccarati A, Erlenbach-Wuensch K, Banerjee S, Schneider-Stock R. A partial epithelial-mesenchymal transition signature for highly aggressive colorectal cancer cells that survive under nutrient restriction. J Pathol 2024; 262:347-361. [PMID: 38235615 DOI: 10.1002/path.6240] [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: 06/17/2023] [Revised: 10/12/2023] [Accepted: 11/21/2023] [Indexed: 01/19/2024]
Abstract
Partial epithelial-mesenchymal transition (p-EMT) has recently been identified as a hybrid state consisting of cells with both epithelial and mesenchymal characteristics and is associated with the migration, metastasis, and chemoresistance of cancer cells. Here, we describe the induction of p-EMT in starved colorectal cancer (CRC) cells and identify a p-EMT gene signature that can predict prognosis. Functional characterisation of starvation-induced p-EMT in HCT116, DLD1, and HT29 cells showed changes in proliferation, morphology, and drug sensitivity, supported by in vivo studies using the chorioallantoic membrane model. An EMT-specific quantitative polymerase chain reaction (qPCR) array was used to screen for deregulated genes, leading to the establishment of an in silico gene signature that was correlated with poor disease-free survival in CRC patients along with the CRC consensus molecular subtype CMS4. Among the significantly deregulated p-EMT genes, a triple-gene signature consisting of SERPINE1, SOX10, and epidermal growth factor receptor (EGFR) was identified. Starvation-induced p-EMT was characterised by increased migratory potential and chemoresistance, as well as E-cadherin processing and internalisation. Both gene signature and E-cadherin alterations could be reversed by the proteasomal inhibitor MG132. Spatially resolving EGFR expression with high-resolution immunofluorescence imaging identified a proliferation stop in starved CRC cells caused by EGFR internalisation. In conclusion, we have gained insight into a previously undiscovered EMT mechanism that may become relevant when tumour cells are under nutrient stress, as seen in early stages of metastasis. Targeting this process of tumour cell dissemination might help to prevent EMT and overcome drug resistance. © 2024 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Gil A Pastorino
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Ilir Sheraj
- Department of Biological Sciences, Orta Dogu Teknik Universitesi, Ankara, Turkey
| | - Kerstin Huebner
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Giulio Ferrero
- Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
| | - Philipp Kunze
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Arndt Hartmann
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Chuanpit Hampel
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | | | - Arnatchai Maiuthed
- Department of Pharmacology, Mahidol University, Bangkok, Thailand
- Centre of Biopharmaceutical Science for Healthy Ageing, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Florian Gebhart
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Fynn Schlattmann
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Aliye Ezgi Gulec Taskiran
- Department of Biological Sciences, Orta Dogu Teknik Universitesi, Ankara, Turkey
- Department of Molecular Biology and Genetics, Baskent University, Ankara, Turkey
| | - Goksu Oral
- Department of Biological Sciences, Orta Dogu Teknik Universitesi, Ankara, Turkey
| | - Ralph Palmisano
- Optical Imaging Competence Centre FAU OICE, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Barbara Pardini
- Italian Institute for Genomic Medicine (IIGM), c/o FPO-IRCCS Candiolo, Turin, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Turin, Italy
| | - Alessio Naccarati
- Italian Institute for Genomic Medicine (IIGM), c/o FPO-IRCCS Candiolo, Turin, Italy
- Candiolo Cancer Institute, FPO-IRCCS, Turin, Italy
| | - Katharina Erlenbach-Wuensch
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Sreeparna Banerjee
- Department of Biological Sciences, Orta Dogu Teknik Universitesi, Ankara, Turkey
- Cancer Systems Biology Laboratory (CanSyl), Orta Dogu Teknik Universitesi, Ankara, Turkey
| | - Regine Schneider-Stock
- Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
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Maas AE, Timmins-Schiffman E, Tarrant AM, Nunn BL, Park J, Blanco-Bercial L. Diel metabolic patterns revealed by in situ transcriptome and proteome in a vertically migratory copepod. Mol Ecol 2024; 33:e17284. [PMID: 38258354 DOI: 10.1111/mec.17284] [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: 08/02/2022] [Revised: 12/06/2023] [Accepted: 12/21/2023] [Indexed: 01/24/2024]
Abstract
Zooplankton undergo a diel vertical migration (DVM) which exposes them to gradients of light, temperature, oxygen, and food availability on a predictable daily schedule. Disentangling the co-varying and potentially synergistic interactions on metabolic rates has proven difficult, despite the importance of this migration for the delivery of metabolic waste products to the distinctly different daytime (deep) and nighttime (surface) habitats. This study examines the transcriptomic and proteomic profiles of the circumglobal migratory copepod, Pleuromamma xiphias, over the diel cycle. The transcriptome showed that 96% of differentially expressed genes were upregulated during the middle of the day - the period often considered to be of lowest zooplankton activity. The changes in protein abundance were more spread out over time, peaking (42% of comparisons) in the early evening. Between 9:00 and 15:00, both the transcriptome and proteome datasets showed increased expression related to chitin synthesis and degradation. Additionally, at 09:00 and 22:00, there were increases in myosin and vitellogenin proteins, potentially linked to the stress of migration and/or reproductive investment. Based on protein abundances detected, there is an inferred switch in broad metabolic processes, shifting from electron transport system in the day to glycolysis and glycogen mobilization in the afternoon/evening. These observations provide evidence of the diel impact of DVM on transcriptomic and proteomic pathways that likely influence metabolic processes and subsequent excretion products, and clarify how this behaviour results in the direct rapid transport of waste metabolites from the surface to the deep ocean.
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Affiliation(s)
- Amy E Maas
- Bermuda Institute of Ocean Sciences, School of Ocean Futures, Arizona State University, St. George's, Bermuda
| | | | - Ann M Tarrant
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA
| | - Brook L Nunn
- Department of Genome Sciences, University of Washington, Seattle, Washington, USA
| | - Jea Park
- Department of Genome Sciences, University of Washington, Seattle, Washington, USA
| | - Leocadio Blanco-Bercial
- Bermuda Institute of Ocean Sciences, School of Ocean Futures, Arizona State University, St. George's, Bermuda
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Pantoja MHDA, Novais FJD, Mourão GB, Mateescu RG, Poleti MD, Beline M, Monteiro CP, Fukumasu H, Titto CG. Exploring candidate genes for heat tolerance in ovine through liver gene expression. Heliyon 2024; 10:e25692. [PMID: 38370230 PMCID: PMC10869868 DOI: 10.1016/j.heliyon.2024.e25692] [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: 10/06/2023] [Revised: 01/24/2024] [Accepted: 01/31/2024] [Indexed: 02/20/2024] Open
Abstract
Thermotolerance has become an essential factor in the prevention of the adverse effects of heat stress, but it varies among animals. Identifying genes related to heat adaptability traits is important for improving thermotolerance and for selecting more productive animals in hot environments. The primary objective of this research was to find candidate genes in the liver that play a crucial role in the heat stress response of Santa Ines sheep, which exhibit varying levels of heat tolerance. To achieve this goal, 80 sheep were selected based on their thermotolerance and placed in a climate chamber for 10 days, during which the average temperature was maintained at 36 °C from 10 a.m. to 4 p.m. and 28 °C from 4 p.m. to 10 a.m. A subset of 14 extreme animals, with seven thermotolerant and seven non-thermotolerant animals based on heat loss (rectal temperature), were selected for liver sampling. RNA sequencing and differential gene expression analysis were performed. Thermotolerant sheep showed higher expression of genes GPx3, RGS6, GPAT3, VLDLR, LOC101108817, and EVC. These genes were mainly related to the Hedgehog signaling pathway, glutathione metabolism, glycerolipid metabolism, and thyroid hormone synthesis. These enhanced pathways in thermotolerant animals could potentially mitigate the negative effects of heat stress, conferring greater heat resistance.
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Affiliation(s)
- Messy Hannear de Andrade Pantoja
- Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, 13635-900, Brazil
| | - Francisco José de Novais
- Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, 13635-900, Brazil
| | - Gerson Barreto Mourão
- Escola Superior de Agricultura Luiz de Queiroz, Universidade São Paulo, Av. Pádua Dias, 11, Piracicaba, SP, 13418-900, Brazil
| | - Raluca G. Mateescu
- Department of Animal Science, University of Florida, Gainesville, FL, United States
| | - Mirele Daiana Poleti
- Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, 13635-900, Brazil
| | - Mariane Beline
- Virginia Polytechnic Institute and State University, Blacksburg, VA, 24061-0002, United States
| | - Camylla Pedrosa Monteiro
- Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, 13635-900, Brazil
| | - Heidge Fukumasu
- Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, 13635-900, Brazil
| | - Cristiane Gonçalves Titto
- Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, SP, 13635-900, Brazil
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9
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Pozo-Morales M, Cobham AE, Centola C, McKinney MC, Liu P, Perazzolo C, Lefort A, Libert F, Bai H, Rohner N, Singh SP. Starvation resistant cavefish reveal conserved mechanisms of starvation-induced hepatic lipotoxicity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.10.574986. [PMID: 38260657 PMCID: PMC10802416 DOI: 10.1101/2024.01.10.574986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Starvation causes the accumulation of lipid droplets in the liver, a somewhat counterintuitive phenomenon that is nevertheless conserved from flies to humans. Much like fatty liver resulting from overfeeding, hepatic lipid accumulation (steatosis) during undernourishment can lead to lipotoxicity and atrophy of the liver. Here, we found that while surface populations of Astyanax mexicanus undergo this evolutionarily conserved response to starvation, the starvation-resistant cavefish larvae of the same species do not display an accumulation of lipid droplets upon starvation. Moreover, cavefish are resistant to liver atrophy during starvation, providing a unique system to explore strategies for liver protection. Using comparative transcriptomics between zebrafish, surface fish, and cavefish, we identified the fatty acid transporter slc27a2a/fatp2 to be correlated with the development of fatty liver. Pharmacological inhibition of slc27a2a in zebrafish rescues steatosis and atrophy of the liver upon starvation. Further, down-regulation of FATP2 in drosophila larvae inhibits the development of starvation-induced steatosis, suggesting the evolutionary conserved importance of the gene in regulating fatty liver upon nutrition deprivation. Overall, our study identifies a conserved, druggable target to protect the liver from atrophy during starvation.
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Affiliation(s)
- Macarena Pozo-Morales
- IRIBHM, Université Libre de Bruxelles (ULB), Route de Lennik 808, 1070 Brussels, Belgium
| | - Ansa E Cobham
- Stowers Institute for Medical Research, Kansas City, MO 64110, USA
| | - Cielo Centola
- Stowers Institute for Medical Research, Kansas City, MO 64110, USA
| | | | - Peiduo Liu
- Department of Genetics, Development, and Cell Biology, Iowa State University, Ames, IA 50011, USA
| | - Camille Perazzolo
- IRIBHM, Université Libre de Bruxelles (ULB), Route de Lennik 808, 1070 Brussels, Belgium
| | - Anne Lefort
- IRIBHM, Université Libre de Bruxelles (ULB), Route de Lennik 808, 1070 Brussels, Belgium
| | - Frédérick Libert
- IRIBHM, Université Libre de Bruxelles (ULB), Route de Lennik 808, 1070 Brussels, Belgium
| | - Hua Bai
- Department of Genetics, Development, and Cell Biology, Iowa State University, Ames, IA 50011, USA
| | - Nicolas Rohner
- Stowers Institute for Medical Research, Kansas City, MO 64110, USA
- Department of Cell Biology & Physiology, University of Kansas Medical Center, Kansas City, KS 66103, USA
| | - Sumeet Pal Singh
- IRIBHM, Université Libre de Bruxelles (ULB), Route de Lennik 808, 1070 Brussels, Belgium
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10
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Nogueira PLB, Coimbra de Paula C, Dock-Nascimento DB, Aguilar-Nascimento JED. Metabolic effects of an oral carbohydrate-whey protein supplement after fasting in volunteers: A randomized controlled crossover trial. Nutrition 2024; 117:112251. [PMID: 37944409 DOI: 10.1016/j.nut.2023.112251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 08/16/2023] [Accepted: 09/27/2023] [Indexed: 11/12/2023]
Abstract
OBJECTIVE Oral supplements containing carbohydrates (CHOs) can be used to reduce preoperative fasting time. The aim of this study was to investigate the early metabolic and acute phase responses to a clear, oral supplement containing CHO and whey protein (WP) in young, healthy volunteers during a fasting-induced organic response. METHODS In this controlled crossover clinical trial, volunteers were randomized into groups after a 12-h fast: the CHO+WP group consumed 200 mL CHO enriched with WP (n = 30); the CHO group members consumed 200 mL water plus maltodextrin (n = 30), and the Fast group was fasted only (n = 30). Blood samples were collected after fasting and 3 h after ingestion of the supplement. The samples were analyzed for glucose, glycated hemoglobin, insulin, C-reactive protein, β-hydroxybutyrate, triacylglycerols, albumin, chlorine, and sodium. After 7 d, the groups were inverted, so all volunteers entered the three groups. RESULTS The nutritional intervention did not change the biochemical parameters related to the acute phase response or insulin resistance; however, there was a statistically significant reduction (P < 0.001) in serum β-hydroxybutyrate in the CHO+WP group (0.05 ± 0.08 mmol/L) compared with the other two groups (Fast group: 0.11 ± 0.08 mmol/L; CHO group: 0.09 ± 0.13 mmol/L). CONCLUSIONS After overnight fasting, the oral supplement containing CHO and WP decreased ketosis. These findings may help select the most efficient oral supplement to be given 2 to 3 h before elective surgeries.
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Affiliation(s)
- Paulo L B Nogueira
- UNIVAG Medical School, Varzea Grande and Health Sciences Postgraduate Department, Medical School, Federal University of Mato Grosso, Cuiabá, Brazil.
| | | | - Diana Borges Dock-Nascimento
- Nutrition School and Health Sciences Postgraduate Department. Medical School, University of Mato Grosso, Cuiabá, Brazil
| | - José Eduardo de Aguilar-Nascimento
- UNIVAG Medical School, Varzea Grande and Health Sciences Postgraduate Department, Medical School, Federal University of Mato Grosso, Cuiabá, Brazil
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11
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Wang Y, Liu Y, Wang Y, Zhang A, Xie W, Zhang H, Weng Q, Xu M. Investigation of seasonal changes in lipid synthesis and metabolism-related genes in the oviduct of Chinese brown frog (<em>Rana dybowskii</em>). Eur J Histochem 2023; 67:3890. [PMID: 38116875 PMCID: PMC10773197 DOI: 10.4081/ejh.2023.3890] [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: 10/17/2023] [Accepted: 12/09/2023] [Indexed: 12/21/2023] Open
Abstract
A peculiar physiological characteristic of the Chinese brown frog (Rana dybowskii) is that its oviduct dilates during pre-brumation rather than during the breeding season. This research aimed to examine the expression of genes connected with lipid synthesis and metabolism in the oviduct of R. dybowskii during both the breeding season and pre-brumation. We observed significant changes in the weight and size of the oviduct between the breeding season and pre-brumation. Furthermore, compared to the breeding season, pre-brumation exhibited significantly lower triglyceride content and a marked increase in free fatty acid content. Immunohistochemical results revealed the spatial distribution of triglyceride synthase (Dgat1), triglyceride hydrolase (Lpl and Hsl), fatty acid synthase (Fasn), and fatty acid oxidases (Cpt1a, Acadl, and Hadh) in oviductal glandular cells and epithelial cells during both the breeding season and pre-brumation. While the mRNA levels of triglycerides and free fatty acid synthesis genes (dgat1 and fasn) did not show a significant difference between the breeding season and pre-brumation, the mRNA levels of genes involved in triglycerides and free fatty acid metabolism (lpl, cpt1a, acadl, acox and hadh) were considerably higher during pre-brumation. Furthermore, the R. dybowskii oviduct's transcriptomic and metabolomic data confirmed differential expression of genes and metabolites enriched in lipid metabolism signaling pathways during both the breeding season and pre-brumation. Overall, these results suggest that alterations in lipid synthesis and metabolism during pre-brumation may potentially influence the expanding size of the oviduct, contributing to the successful overwintering of R. dybowskii.
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Affiliation(s)
- Yankun Wang
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing.
| | - Yuning Liu
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing.
| | - Yawei Wang
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing.
| | - Ao Zhang
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing.
| | - Wenqian Xie
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing.
| | - Haolin Zhang
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing.
| | - Qiang Weng
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing.
| | - Meiyu Xu
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing.
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12
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Jiang C, Storey KB, Yang H, Sun L. Aestivation in Nature: Physiological Strategies and Evolutionary Adaptations in Hypometabolic States. Int J Mol Sci 2023; 24:14093. [PMID: 37762394 PMCID: PMC10531719 DOI: 10.3390/ijms241814093] [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: 07/27/2023] [Revised: 08/14/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
Aestivation is considered to be one of the "purest" hypometabolic states in nature, as it involves aerobic dormancy that can be induced and sustained without complex factors. Animals that undergo aestivation to protect themselves from environmental stressors such as high temperatures, droughts, and food shortages. However, this shift in body metabolism presents new challenges for survival, including oxidative stress upon awakening from aestivation, accumulation of toxic metabolites, changes in energy sources, adjustments to immune status, muscle atrophy due to prolonged immobility, and degeneration of internal organs due to prolonged food deprivation. In this review, we summarize the physiological and metabolic strategies, key regulatory factors, and networks utilized by aestivating animals to address the aforementioned components of aestivation. Furthermore, we present a comprehensive overview of the advancements made in aestivation research across major species, including amphibians, fish, reptiles, annelids, mollusks, and echinoderms, categorized according to their respective evolutionary positions. This approach offers a distinct perspective for comparative analysis, facilitating an understanding of the shared traits and unique features of aestivation across different groups of organisms.
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Affiliation(s)
- Chunxi Jiang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences & Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (C.J.); (H.Y.)
- Laboratory for Marine Ecology and Environmental Science & Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kenneth B. Storey
- Department of Biology, Carleton University, Ottawa, ON K1S 5B6, Canada;
| | - Hongsheng Yang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences & Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (C.J.); (H.Y.)
- Laboratory for Marine Ecology and Environmental Science & Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lina Sun
- CAS Key Laboratory of Marine Ecology and Environmental Sciences & Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (C.J.); (H.Y.)
- Laboratory for Marine Ecology and Environmental Science & Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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13
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Muluh TA, Shu XS, Ying Y. Targeting cancer metabolic vulnerabilities for advanced therapeutic efficacy. Biomed Pharmacother 2023; 162:114658. [PMID: 37031495 DOI: 10.1016/j.biopha.2023.114658] [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: 02/17/2023] [Revised: 03/29/2023] [Accepted: 04/03/2023] [Indexed: 04/11/2023] Open
Abstract
Cancer metabolism is how cancer cells utilize nutrients and energy to support their growth and proliferation. Unlike normal cells, cancer cells have a unique metabolic profile that allows them to generate energy and the building blocks they need for rapid growth and division. This metabolic profile is marked by an increased reliance on glucose and glutamine as energy sources and changes in how cancer cells use and make key metabolic intermediates like ATP, NADH, and NADPH. This script analyzes a comprehensive overview of the latest advances in tumor metabolism, identifying the key unresolved issues, elaborates on how tumor cells differ from normal cells in their metabolism of nutrients, and explains how tumor cells conflate growth signals and nutrients to proliferate. The metabolic interaction of tumorigenesis and lipid metabolism within the tumor microenvironment and the role of ROS as an anti-tumor agent by mediating various signaling pathways for clinical cancer therapeutic targeting are outlined. Cancer metabolism is highly dynamic and heterogeneous; thus, advanced technologies to better investigate metabolism at the unicellular level without altering tumor tissue are necessary for better research and clinical transformation. The study of cancer metabolism is an area of active research, as scientists seek to understand the underlying metabolic changes that drive cancer growth and to identify potential therapeutic targets.
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Affiliation(s)
- Tobias Achu Muluh
- Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, China
| | - Xing-Sheng Shu
- Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, China
| | - Ying Ying
- Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, China; Marshall Laboratory of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, China.
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14
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Wu T, Xu S. Understanding the contemporary high obesity rate from an evolutionary genetic perspective. Hereditas 2023; 160:5. [PMID: 36750916 PMCID: PMC9903520 DOI: 10.1186/s41065-023-00268-x] [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: 08/17/2022] [Accepted: 01/31/2023] [Indexed: 02/09/2023] Open
Abstract
The topic of obesity is gaining increasing popularity globally. From an evolutionary genetic perspective, it is believed that the main cause of the high obesity rate is the mismatch between environment and genes after people have shifted toward a modern high-calorie diet. However, it has been debated for over 60 years about how obesity-related genes become prevalent all over the world. Here, we review the three most influential hypotheses or viewpoints, i.e., the thrifty gene hypothesis, the drifty gene hypothesis, and the maladaptation viewpoint. In particular, genome-wide association studies in the recent 10 years have provided rich findings and evidence to be considered for a better understanding of the evolutionary genetic mechanisms of obesity. We anticipate this brief review to direct further studies and inspire the future application of precision medicine in obesity treatment.
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Affiliation(s)
- Tong Wu
- grid.8547.e0000 0001 0125 2443State Key Laboratory of Genetic Engineering, Center for Evolutionary Biology, Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai, 200438 China
| | - Shuhua Xu
- State Key Laboratory of Genetic Engineering, Center for Evolutionary Biology, Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai, 200438, China. .,Human Phenome Institute, Zhangjiang Fudan International Innovation Center, and Ministry of Education Key Laboratory of Contemporary Anthropology, Fudan University, Shanghai, 201203, China. .,Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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15
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Peripolli E, Stafuzza NB, Machado MA, do Carmo Panetto JC, do Egito AA, Baldi F, da Silva MVGB. Assessment of copy number variants in three Brazilian locally adapted cattle breeds using whole-genome re-sequencing data. Anim Genet 2023; 54:254-270. [PMID: 36740987 DOI: 10.1111/age.13298] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 12/13/2021] [Accepted: 01/13/2023] [Indexed: 02/07/2023]
Abstract
Further characterization of genetic structural variations should strongly focus on small and endangered local breeds given their role in unraveling genes and structural variants underlying selective pressures and phenotype variation. A comprehensive genome-wide assessment of copy number variations (CNVs) based on whole-genome re-sequencing data was performed on three Brazilian locally adapted cattle breeds (Caracu Caldeano, Crioulo Lageano, and Pantaneiro) using the ARS-UCD1.2 genome assembly. Data from 36 individuals with an average coverage depth of 14.07× per individual was used. A total of 24 945 CNVs were identified distributed among the breeds (Caracu Caldeano = 7285, Crioulo Lageano = 7297, and Pantaneiro = 10 363). Deletion events were 1.75-2.07-fold higher than duplications, and the total length of CNVs is composed mostly of a high number of segments between 10 and 30 kb. CNV regions (CNVRs) are not uniformly scattered throughout the genomes (n = 463), and 105 CNVRs were found overlapping among the studied breeds. Functional annotation of the CNVRs revealed variants with high consequence on protein sequence harboring relevant genes, in which we highlighted the BOLA-DQB, BOLA-DQA5, CD1A, β-defensins, PRG3, and ULBP21 genes. Enrichment analysis based on the gene list retrieved from the CNVRs disclosed over-represented terms (p < 0.01) strongly associated with immunity and cattle resilience to harsh environments. Additionally, QTL associated with body conformation and dairy-related traits were also unveiled within the CNVRs. These results provide better understanding of the selective forces shaping the genome of such cattle breeds and identify traces of natural selection pressures by which these populations have been exposed to challenging environmental conditions.
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Affiliation(s)
- Elisa Peripolli
- School of Agricultural and Veterinarian Sciences, São Paulo State University (Unesp), Jaboticabal, Brazil
| | | | | | | | | | - Fernando Baldi
- School of Agricultural and Veterinarian Sciences, São Paulo State University (Unesp), Jaboticabal, Brazil
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16
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Závorka L, Blanco A, Chaguaceda F, Cucherousset J, Killen SS, Liénart C, Mathieu-Resuge M, Němec P, Pilecky M, Scharnweber K, Twining CW, Kainz MJ. The role of vital dietary biomolecules in eco-evo-devo dynamics. Trends Ecol Evol 2023; 38:72-84. [PMID: 36182405 DOI: 10.1016/j.tree.2022.08.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/30/2022] [Accepted: 08/31/2022] [Indexed: 12/30/2022]
Abstract
The physiological dependence of animals on dietary intake of vitamins, amino acids, and fatty acids is ubiquitous. Sharp differences in the availability of these vital dietary biomolecules among different resources mean that consumers must adopt a range of strategies to meet their physiological needs. We review the emerging work on omega-3 long-chain polyunsaturated fatty acids, focusing predominantly on predator-prey interactions, to illustrate that trade-off between capacities to consume resources rich in vital biomolecules and internal synthesis capacity drives differences in phenotype and fitness of consumers. This can then feedback to impact ecosystem functioning. We outline how focus on vital dietary biomolecules in eco-eco-devo dynamics can improve our understanding of anthropogenic changes across multiple levels of biological organization.
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Affiliation(s)
- Libor Závorka
- WasserCluster Lunz - Biologische Station, Inter-university Centre for Aquatic Ecosystem Research, A-3293 Lunz am See, Austria.
| | - Andreu Blanco
- Centro de Investigación Mariña, Universidade de Vigo, EcoCost, Campus de Vigo, As Lagoas, Marcosende, 36310, Vigo, Spain
| | - Fernando Chaguaceda
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Box 7050, 750 07 Uppsala, Sweden
| | - Julien Cucherousset
- Laboratoire Evolution et Diversité Biologique (UMR 5174 EDB), CNRS, Université Paul Sabatier - Toulouse III, 31062 Toulouse, France
| | - Shaun S Killen
- School of Biodiversity, One Health & Veterinary Medicine, Graham Kerr Building, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK
| | - Camilla Liénart
- Tvärminne Zoological Station, University of Helsinki, J.A. Palménin tie 260, Hanko, 10900, Finland
| | - Margaux Mathieu-Resuge
- WasserCluster Lunz - Biologische Station, Inter-university Centre for Aquatic Ecosystem Research, A-3293 Lunz am See, Austria; Université de Brest, CNRS, IRD, Ifremer, LEMAR, 29280 Plouzané, Brittany, France; UMR DECOD (Ecosystem Dynamics and Sustainability), Ifremer, INRAE, Institut Agro, Plouzané, France
| | - Pavel Němec
- Department of Zoology, Faculty of Science, Charles University, CZ-12844 Prague, Czech Republic
| | - Matthias Pilecky
- WasserCluster Lunz - Biologische Station, Inter-university Centre for Aquatic Ecosystem Research, A-3293 Lunz am See, Austria; Danube University Krems, Dr. Karl Dorrek Straße 30, A-3500 Krems, Austria
| | - Kristin Scharnweber
- University of Potsdam, Plant Ecology and Nature Conservation, Am Mühlenberg 3, 14476 Potsdam, Germany
| | - Cornelia W Twining
- Department of Fish Ecology and Evolution, Eawag - Swiss Federal Institute of Aquatic Science and Technology, Seestrasse 79, CH-6047 Kastanienbaum, Switzerland
| | - Martin J Kainz
- WasserCluster Lunz - Biologische Station, Inter-university Centre for Aquatic Ecosystem Research, A-3293 Lunz am See, Austria; Danube University Krems, Dr. Karl Dorrek Straße 30, A-3500 Krems, Austria
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17
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Mennigen JA, Magnan J, Touma K, Best C, Culbert BM, Bernier NJ, Gilmour KM. Social status-dependent regulation and function of the somatotropic axis in juvenile rainbow trout. Mol Cell Endocrinol 2022; 554:111709. [PMID: 35787462 DOI: 10.1016/j.mce.2022.111709] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 01/12/2023]
Abstract
Juvenile rainbow trout (Oncorhynchus mykiss) develop social hierarchies when competing for resources in a constrained environment. Among the physiological consequences of social status are changes in organismal energy metabolism, which generally favour anabolic pathways in dominant fish and catabolic pathways in subordinate fish. The somatotropic axis is an important regulator of metabolism and growth that could be involved in mediating metabolic changes in response to social status in juvenile rainbow trout. Here we used juvenile trout housed either in dyads or individually (sham controls) to determine whether social status changes indices of somatotropic axis function. Although pituitary growth hormone expression (gh1 and gh2) did not differ among groups, circulating growth hormone (GH) increased ∼12-fold in subordinate fish compared to sham and dominant fish. Social status caused consistent differential expression of GH receptor paralogues in liver and muscle, two principal target tissues of GH. Compared to dominant and/or sham fish, ghra paralogue expression (ghra1 and ghra2) was lower, while ghrb1 expression was higher in subordinate fish. Across tissues, ghra paralogue expression was generally positively correlated with expression of insulin growth factors (igf1, igf2), while ghrb1 expression was positively correlated with transcript abundance of hormone sensitive lipase (hsl1). Because igf and hsl expression are subject to context-dependent GH control in rainbow trout, these results suggest that increased circulating GH in conjunction with differential expression of ghr paralogues may translate into prioritization of downstream catabolic lipolytic pathways in subordinate rainbow trout. These findings support a social context-dependent role for GH signalling in mediating metabolic changes in juvenile rainbow trout.
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Affiliation(s)
- Jan A Mennigen
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada.
| | - Julianne Magnan
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Kenan Touma
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Carol Best
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - Brett M Culbert
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
| | - Nicholas J Bernier
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
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18
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Biswas T, Krishnan J, Rohner N. Poor eyesight reveals a new vision gene. eLife 2022; 11:81520. [PMID: 35929336 PMCID: PMC9355559 DOI: 10.7554/elife.81520] [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] [Indexed: 11/13/2022] Open
Abstract
Comparing the genomes of mammals which evolved to have poor vision identifies an important gene for eyesight.
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Affiliation(s)
- Tathagata Biswas
- Stowers Institute for Medical Research, Kansas City, United States
| | - Jaya Krishnan
- Stowers Institute for Medical Research, Kansas City, United States
| | - Nicolas Rohner
- Stowers Institute for Medical Research, Kansas City, United States.,Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, United States
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19
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Krishnan J, Wang Y, Kenzior O, Hassan H, Olsen L, Tsuchiya D, Kenzior A, Peuß R, Xiong S, Wang Y, Zhao C, Rohner N. Liver-derived cell lines from cavefish Astyanax mexicanus as an in vitro model for studying metabolic adaptation. Sci Rep 2022; 12:10115. [PMID: 35710938 PMCID: PMC9203785 DOI: 10.1038/s41598-022-14507-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 06/08/2022] [Indexed: 12/02/2022] Open
Abstract
Cell lines have become an integral resource and tool for conducting biological experiments ever since the Hela cell line was first developed (Scherer et al. in J Exp Med 97:695–710, 1953). They not only allow detailed investigation of molecular pathways but are faster and more cost-effective than most in vivo approaches. The last decade saw many emerging model systems strengthening basic science research. However, lack of genetic and molecular tools in these newer systems pose many obstacles. Astyanax mexicanus is proving to be an interesting new model system for understanding metabolic adaptation. To further enhance the utility of this system, we developed liver-derived cell lines from both surface-dwelling and cave-dwelling morphotypes. In this study, we provide detailed methodology of the derivation process along with comprehensive biochemical and molecular characterization of the cell lines, which reflect key metabolic traits of cavefish adaptation. We anticipate these cell lines to become a useful resource for the Astyanax community as well as researchers investigating fish biology, comparative physiology, and metabolism.
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Affiliation(s)
- Jaya Krishnan
- Stowers Institute for Medical Research, Kansas City, MO, USA.
| | - Yan Wang
- Stowers Institute for Medical Research, Kansas City, MO, USA
| | - Olga Kenzior
- Stowers Institute for Medical Research, Kansas City, MO, USA
| | - Huzaifa Hassan
- Stowers Institute for Medical Research, Kansas City, MO, USA
| | - Luke Olsen
- Stowers Institute for Medical Research, Kansas City, MO, USA.,Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Dai Tsuchiya
- Stowers Institute for Medical Research, Kansas City, MO, USA
| | | | - Robert Peuß
- Stowers Institute for Medical Research, Kansas City, MO, USA.,Institute for Evolution and Biodiversity, University of Münster, Münster, Germany
| | - Shaolei Xiong
- Stowers Institute for Medical Research, Kansas City, MO, USA.,Department of Genetics, Perelman School of Medicine, Philadelphia, PA, USA
| | - Yongfu Wang
- Stowers Institute for Medical Research, Kansas City, MO, USA
| | - Chongbei Zhao
- Stowers Institute for Medical Research, Kansas City, MO, USA
| | - Nicolas Rohner
- Stowers Institute for Medical Research, Kansas City, MO, USA. .,Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS, USA.
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20
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Zhu J, Huang X. Endocrine function of pheromones couples fat rationing and nutrient scarcity. SCIENCE CHINA. LIFE SCIENCES 2022; 65:1267-1269. [PMID: 35266111 DOI: 10.1007/s11427-022-2082-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Affiliation(s)
- Jinglin Zhu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xun Huang
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
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21
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Zhao T, Wang C, Duan B, Yang P, Wu J, Zhang Q. Altered Lipid Profile in COVID-19 Patients and Metabolic Reprogramming. Front Microbiol 2022; 13:863802. [PMID: 35633693 PMCID: PMC9133671 DOI: 10.3389/fmicb.2022.863802] [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: 01/27/2022] [Accepted: 03/28/2022] [Indexed: 01/09/2023] Open
Abstract
Background Coronavirus disease 2019 (COVID-19) is a global pandemic. Previous studies have reported dyslipidemia in patients with COVID-19. Herein, we conducted a retrospective study and a bioinformatics analysis to evaluate the essential data of the lipid profile as well as the possible mechanism in patients with COVID-19. Methods First of all, the retrospective study included three cohorts: patients with COVID-19, a healthy population, and patients with chronic obstructive pulmonary disease (COPD). For each subject, serum lipid profiles in the biochemical data were compared, including triglycerides (TG), total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C). Furthermore, bioinformatics analyses were performed for exploring the biological or immunological mechanisms. Results In line with the biochemical data of the three cohorts, the statistical result displayed that patients with COVID-19 were more likely to have lower levels of TC and HDL-C as compared with healthy individuals. The differential proteins associated with COVID-19 are involved in the lipid pathway and can target and regulate cytokines and immune cells. Additionally, a heatmap revealed that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections were possibly involved in lipid metabolic reprogramming. The viral proteins, such as spike (S) and non-structural protein 2 (Nsp2) of SARS-CoV-2, may be involved in metabolic reprogramming. Conclusion The metabolic reprogramming after SARS-CoV-2 infections is probably associated with the immune and clinical phenotype of patients. Hence, metabolic reprogramming may be targeted for developing antivirals against COVID-19.
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Affiliation(s)
- Tie Zhao
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China
- Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, Institute of Pathogenic Biology, University of South China, Hengyang, China
| | - Chunhui Wang
- Department of Clinical Laboratory, Huizhou Central People’s Hospital, Huizhou, China
| | - Biyan Duan
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China
| | - Peipei Yang
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China
| | - Jianguo Wu
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China
- Foshan Institute of Medical Microbiology, Foshan, China
| | - Qiwei Zhang
- Guangdong Provincial Key Laboratory of Virology, Institute of Medical Microbiology, Jinan University, Guangzhou, China
- Foshan Institute of Medical Microbiology, Foshan, China
- BSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
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22
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Luo Z, Yu Z, Yin D. Obesogenic effect of erythromycin on Caenorhabditis elegans through over-eating and lipid metabolism disturbances. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 294:118615. [PMID: 34863891 DOI: 10.1016/j.envpol.2021.118615] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/08/2021] [Accepted: 11/29/2021] [Indexed: 06/13/2023]
Abstract
Environmental obesogens contributed significantly to the obesity prevalence. Recently, antibiotics joined the list of environmental obesogens, while the underlying mechanisms remained to be explored. In the present study, effects of erythromycin (ERY), one widely used macrolide antibiotic, were measured on C. elegans to investigate the obesogenic mechanism. Results showed that ERY at 0.1 μg/L significantly increased the fat content by 17.4% more than the control and also stimulated triacylglycerol (TAG) levels by 25.7% more than the control. Regarding the obesogenic mechanisms, ERY provoked over-eating by stimulation on the pharyngeal pumping and reduction on the satiety quiescence percentage and duration. Such effects were resulted from stimulation on the neurotransmitters including serotonin (5-HT), dopamine (DA) and acetylcholine (ACh). The nervous responses involved the up-regulation of Gsα (e.g., ser-7, gsa-1, acy-1 and kin-2) signaling pathway and the down-regulation of TGFβ (daf-7) but not via cGMP-dependent regulations (e.g., egl-4). Moreover, ERY stimulated the activities of fatty acid synthase (FAS) and glycerol-3-phosphateacyl transferases (GPAT) that catalyze lipogenesis, while ERY inhibited those of acyl-CoA synthetase (ACS), carnitine palmitoyl transferase (CPT) and acyl-CoA oxidase (ACO) that catalyze lipolysis. The unbalance between lipogenesis and lipolysis resulted in the fat accumulation which was consistent with up-regulation on mgl-1 and mgl-3 which are the down-steam of TGFβ regulation. Such consistence supported the close connection between nervous regulation and lipid metabolism. In addition, ERY also disturbed insulin which connects lipid with glucose in metabolism.
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Affiliation(s)
- Zhili Luo
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Jiaxing Tongji Institute for Environment, Jiaxing, Zhejiang Province, 3014051, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China
| | - Zhenyang Yu
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Jiaxing Tongji Institute for Environment, Jiaxing, Zhejiang Province, 3014051, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China.
| | - Daqiang Yin
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China
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23
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Kang C, Avery L. The FMRFamide Neuropeptide FLP-20 Acts as a Systemic Signal for Starvation Responses in Caenorhabditis elegans. Mol Cells 2021; 44:529-537. [PMID: 34140426 PMCID: PMC8334353 DOI: 10.14348/molcells.2021.0051] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/26/2021] [Accepted: 04/08/2021] [Indexed: 02/07/2023] Open
Abstract
Most animals face frequent periods of starvation throughout their entire life and thus need to appropriately adjust their behavior and metabolism during starvation for their survival. Such adaptive responses are regulated by a complex set of systemic signals, including hormones and neuropeptides. While much progress has been made in identifying pathways that regulate nutrient-excessive states, it is still incompletely understood how animals systemically signal their nutrient-deficient states. Here, we showed that the FMRFamide neuropeptide FLP-20 modulates a systemic starvation response in Caenorhabditis elegans. We found that mutation of flp-20 rescued the starvation hypersensitivity of the G protein β-subunit gpb-2 mutants by suppressing excessive autophagy. FLP-20 acted in AIB neurons, where the metabotropic glutamate receptor MGL-2 also functions to modulate a systemic starvation response. Furthermore, FLP-20 modulated starvation-induced fat degradation in a manner dependent on the receptor-type guanylate cyclase GCY-28. Collectively, our results reveal a circuit that senses and signals nutrient-deficient states to modulate a systemic starvation response in multicellular organisms.
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Affiliation(s)
- Chanhee Kang
- School of Biological Sciences, Seoul National University, Seoul 08826, Korea
| | - Leon Avery
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA
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