<HashMap><database>MetaboLights</database><file_versions><headers><Content-Type>application/xml</Content-Type></headers><body><files><Tabular>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/m_MTBLS15769_LC-MS_positive_hilic_v2_maf.tsv</Tabular><Tabular>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/m_MTBLS15769_LC-MS_negative_hilic_v2_maf.tsv</Tabular><Txt>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/a_MTBLS15769_LC-MS_negative_hilic.txt</Txt><Txt>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/i_Investigation.txt</Txt><Txt>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/s_MTBLS15769.txt</Txt><Txt>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/a_MTBLS15769_LC-MS_positive_hilic.txt</Txt><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/NTg_4.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/NTg_5.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/Mrg15cTg_4.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/Mrg15cTg_2.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/NTg_1.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/QC-1.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/NTg_4.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/QC-1.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/Mrg15cTg_3.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/NTg_3.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/Mrg15cTg_5.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/NTg_2.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/NTg_3.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/QC-2.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/Mrg15cTg_1.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/Mrg15cTg_2.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/QC-2.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/NTg_5.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/Mrg15cTg_4.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/Mrg15cTg_1.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/NTg_1.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/QC-3.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/NEG/Mrg15cTg_5.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/NTg_2.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/QC-3.raw</Raw><Raw>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769/FILES/RAW_FILES/POS/Mrg15cTg_3.raw</Raw></files><type>primary</type></body><statusCode>OK</statusCode><statusCodeValue>200</statusCodeValue></file_versions><scores/><additional><ftp_download_link>ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS15769</ftp_download_link><metabolite_identification_protocol>&lt;p>Detected metabolite features were annotated and used for downstream untargeted metabolomics analysis. Processed metabolite data were analyzed using MetaboAnalyst 6.0, and KEGG annotations were used for pathway-based interpretation and enrichment analysis. Differential metabolites were identified using a combination of multivariate and univariate statistical criteria.&lt;/p></metabolite_identification_protocol><repository>MetaboLights</repository><study_status>Public</study_status><ptm_modification></ptm_modification><instrument_platform>Liquid Chromatography MS - positive - hilic</instrument_platform><instrument_platform>Liquid Chromatography MS - negative - hilic</instrument_platform><chromatography_protocol>&lt;p>Chromatographic separation was performed using a Vanquish UHPLC system (Thermo Fisher Scientific) with hydrophilic interaction chromatography (HILIC). The chromatographic conditions were optimized for broad metabolite profiling prior to high-resolution mass spectrometric detection. Detailed column specifications, mobile-phase gradient, flow rate, column temperature, and injection volume were defined according to the validated analytical method used by the metabolomics service platform.&lt;/p></chromatography_protocol><publication>MRG15 orchestrates glycolysis and the pentose phosphate pathway to facilitate heart regeneration following myocardial infarction.</publication><submitter_name>Duo Keai</submitter_name><submitter_affiliation>Peking University</submitter_affiliation><organism_part>Heart tissue</organism_part><technology_type>mass spectrometry assay</technology_type><disease></disease><extraction_protocol>&lt;p>Frozen heart tissues were extracted using prechilled methanol/acetonitrile/water (2:2:1, v/v/v). Samples were subjected to low-temperature sonication and centrifugation, and the resulting supernatants were dried under vacuum and reconstituted in acetonitrile/water (1:1, v/v) before LC-MS analysis. Pooled quality-control samples were prepared by mixing equal aliquots of individual samples and were injected periodically during the analytical sequence to evaluate instrument stability and analytical reproducibility.&lt;/p></extraction_protocol><organism>Mus musculus</organism><full_dataset_link>https://www.ebi.ac.uk/metabolights/MTBLS15769</full_dataset_link><author>Dan Meng. Fudan University. dmeng@fudan.edu.cn.</author><author>Nan Jiang. Fudan University. 21211010066@m.fudan.edu.cn.</author><data_transformation_protocol>&lt;p>Raw LC-MS data were processed to generate a metabolite feature intensity matrix for subsequent statistical analysis. The processed metabolomics data were imported into MetaboAnalyst 6.0 for normalization, multivariate statistical analysis, and differential metabolite analysis. Metabolite intensity data were normalized by sum and auto-scaled before downstream analysis.&lt;/p></data_transformation_protocol><study_factor>Group</study_factor><submitter_email>keaiduoduo998@126.com</submitter_email><sample_collection_protocol>&lt;p>Infarcted heart tissues were collected from NTg and Mrg15cTg mice at day 7 after myocardial infarction, with five biological replicates per group. The tissues were immediately snap-frozen in liquid nitrogen and stored at 80°C until metabolomic analysis. Samples from the two groups were collected and processed in parallel to minimize technical variation.&lt;/p></sample_collection_protocol><omics_type>Metabolomics</omics_type><study_design>Metabolomics</study_design><study_design>cardiomyocyte proliferation</study_design><study_design>chaperone-mediated autophagy</study_design><study_design>Mus musculus</study_design><study_design>Heart tissue</study_design><study_design>MRG15</study_design><study_design>untargeted analysis</study_design><study_design>myocardial infarction</study_design><study_design>Frozen infarcted heart tissue</study_design><study_design>Metabolic reprogramming</study_design><study_design>Orbitrap Exploris 480</study_design><study_design>Thermo Scientific Vanquish UHPLC System</study_design><study_design>heart regeneration</study_design><study_design>Glycolysis</study_design><study_design>pentose phosphate pathway, hexokinase 2</study_design><curator_keywords>Metabolomics</curator_keywords><curator_keywords>cardiomyocyte proliferation</curator_keywords><curator_keywords>chaperone-mediated autophagy</curator_keywords><curator_keywords>Mus musculus</curator_keywords><curator_keywords>Heart tissue</curator_keywords><curator_keywords>MRG15</curator_keywords><curator_keywords>untargeted analysis</curator_keywords><curator_keywords>myocardial infarction</curator_keywords><curator_keywords>Frozen infarcted heart tissue</curator_keywords><curator_keywords>Metabolic reprogramming</curator_keywords><curator_keywords>Orbitrap Exploris 480</curator_keywords><curator_keywords>Thermo Scientific Vanquish UHPLC System</curator_keywords><curator_keywords>heart regeneration</curator_keywords><curator_keywords>Glycolysis</curator_keywords><curator_keywords>pentose phosphate pathway, hexokinase 2</curator_keywords><mass_spectrometry_protocol>&lt;p>Mass spectrometric analysis was performed using a Q Exactive Orbitrap mass spectrometer coupled to the Vanquish UHPLC system (Thermo Fisher Scientific). Electrospray ionization was performed in both positive and negative ion modes to achieve broad metabolite coverage. High-resolution mass spectrometric data were acquired for subsequent metabolite feature detection and annotation.&lt;/p></mass_spectrometry_protocol><metabolite_name>Taurine</metabolite_name><metabolite_name>Naringenin</metabolite_name><metabolite_name>Phenylpyruvate</metabolite_name><metabolite_name>Allantoin</metabolite_name><metabolite_name>L-2-hydroxyglutaric acid</metabolite_name><metabolite_name>sn-Glycerol 3-phosphoethanolamine</metabolite_name><metabolite_name>Ile-Lys</metabolite_name><metabolite_name>Prostaglandin f1.alpha.</metabolite_name><metabolite_name>Deoxyinosine</metabolite_name><metabolite_name>3-hydroxy-3-methylglutaric acid</metabolite_name><metabolite_name>3-Phosphoserine</metabolite_name><metabolite_name>3,5-dihydroxybenzoic acid</metabolite_name><metabolite_name>Phosphoenolpyruvate</metabolite_name><metabolite_name>Ketoleucine</metabolite_name><metabolite_name>L-Histidine</metabolite_name><metabolite_name>4-(2-hydroxyethyl)piperazine-1-ethanesulfonic acid</metabolite_name><metabolite_name>Hexanoylglycine</metabolite_name><metabolite_name>Myristoleic acid</metabolite_name><metabolite_name>Pyridoxal</metabolite_name><metabolite_name>Iminodiacetic acid</metabolite_name><metabolite_name>Succinate</metabolite_name><metabolite_name>Glycerol</metabolite_name><metabolite_name>Phenylglyoxylic acid</metabolite_name><metabolite_name>2-hydroxy-3-methylbutyric acid</metabolite_name><metabolite_name>Glycolate</metabolite_name><metabolite_name>L-Proline</metabolite_name><metabolite_name>Capric acid</metabolite_name><metabolite_name>Phenol</metabolite_name><metabolite_name>DL-tryptophan</metabolite_name><metabolite_name>L-aspartic acid</metabolite_name><metabolite_name>D-myo-inositol-3,4,5,6-tetraphosphate</metabolite_name><metabolite_name>Gly-Gly</metabolite_name><metabolite_name>D-galacturonic acid</metabolite_name><metabolite_name>2,3-dihydroxy-3-methylbutyric acid</metabolite_name><metabolite_name>Ricinoleic acid</metabolite_name><metabolite_name>2-oleoyl-1-stearoyl-sn-glycero-3-phosphoserine</metabolite_name><metabolite_name>Ethyl glucuronide</metabolite_name><metabolite_name>Pyrrole-2-carboxylic acid</metabolite_name><metabolite_name>Ethyl sulfate</metabolite_name><metabolite_name>Glycine</metabolite_name><metabolite_name>Arginine</metabolite_name><metabolite_name>Gentisic acid</metabolite_name><metabolite_name>Oleic acid</metabolite_name><metabolite_name>21-hydroxyprogesterone</metabolite_name><metabolite_name>Glutaric acid</metabolite_name><metabolite_name>N-acetyl-l-aspartic acid</metabolite_name><metabolite_name>Beta-hydroxybutyrate</metabolite_name><metabolite_name>D-ribose 1-phosphate</metabolite_name><metabolite_name>Inosine 5'-monophosphate</metabolite_name><metabolite_name>Cis,cis-muconic acid</metabolite_name><metabolite_name>Pentadecanoic acid</metabolite_name><metabolite_name>Dopamine</metabolite_name><metabolite_name>L-fucose-1-phosphate</metabolite_name><metabolite_name>1-methyluric acid</metabolite_name><metabolite_name>Cinchonine</metabolite_name><metabolite_name>L-theanine</metabolite_name><metabolite_name>Leukotriene d4</metabolite_name><metabolite_name>Pseudouridine</metabolite_name><metabolite_name>N-isovaleroylglycine</metabolite_name><metabolite_name>N-acetylneuraminate</metabolite_name><metabolite_name>Uridine 5'-diphosphoglucuronic acid</metabolite_name><metabolite_name>6-phosphogluconic acid</metabolite_name><metabolite_name>Fumarate</metabolite_name><metabolite_name>Dl-a-hydroxybutyric acid</metabolite_name><metabolite_name>D-(+)-galactose</metabolite_name><metabolite_name>7-methyluric acid</metabolite_name><metabolite_name>2-Ethyl-2-Hydroxybutyric acid</metabolite_name><metabolite_name>Anethole</metabolite_name><metabolite_name>Imidacloprid</metabolite_name><metabolite_name>L-Valine</metabolite_name><metabolite_name>Uracil</metabolite_name><metabolite_name>2-docosahexaenoyl-1-stearoyl-sn-glycero-3-phosphoserine</metabolite_name><metabolite_name>Pantothenic acid</metabolite_name><metabolite_name>Etodolac</metabolite_name><metabolite_name>PGD2</metabolite_name><metabolite_name>Dl-malic acid</metabolite_name><metabolite_name>Indolelactic acid</metabolite_name><metabolite_name>13-hydroxy-9z,11e-octadecadienoic acid</metabolite_name><metabolite_name>2'-deoxyuridine 5'-monophosphate</metabolite_name><metabolite_name>Taurocholate</metabolite_name><metabolite_name>4-pyridoxic acid</metabolite_name><metabolite_name>Pristanic acid</metabolite_name><metabolite_name>Prostaglandin d1</metabolite_name><metabolite_name>Erucic acid</metabolite_name><metabolite_name>Glyceraldehyde 3-phosphate</metabolite_name><metabolite_name>Allyl isothiocyanate</metabolite_name><metabolite_name>DL-asparagine</metabolite_name><metabolite_name>4'-hydroxychalcone</metabolite_name><metabolite_name>Caprylic acid</metabolite_name><metabolite_name>4-hydroxy-4-methyl-2-pentanone</metabolite_name><metabolite_name>2-mercaptoethanesulfonic acid</metabolite_name><metabolite_name>Succinic semialdehyde</metabolite_name><metabolite_name>Acetoacetic acid</metabolite_name><metabolite_name>Glyceric acid</metabolite_name><metabolite_name>Xanthosine 5'-monophosphate</metabolite_name><metabolite_name>D-sorbitol</metabolite_name><metabolite_name>Phenaceturic acid</metabolite_name><metabolite_name>Isopentenyl pyrophosphate</metabolite_name><metabolite_name>Pentanoic acid</metabolite_name><metabolite_name>N-acetyl-l-glutamate</metabolite_name><metabolite_name>L-homocysteic acid</metabolite_name><metabolite_name>3-hydroxyglutaric acid</metabolite_name><metabolite_name>Gallic acid</metabolite_name><metabolite_name>Cis-4,7,10,13,16,19-docosahexaenoic acid</metabolite_name><metabolite_name>N-formyl-l-methionine</metabolite_name><metabolite_name>Arachidonic acid (peroxide free)</metabolite_name><metabolite_name>1-stearoyl-2-arachidonoyl-sn-glycero-3-phosphoserine</metabolite_name><metabolite_name>cis-Aconitate</metabolite_name><metabolite_name>L-threonate</metabolite_name><metabolite_name>1-oleoyl-sn-glycero-3-phosphoethanolamine</metabolite_name><metabolite_name>Malate</metabolite_name><metabolite_name>Myristic acid</metabolite_name><metabolite_name>3-Phospho-D-glycerate</metabolite_name><metabolite_name>4-nitrocatechol</metabolite_name><metabolite_name>Uridine</metabolite_name><metabolite_name>Adipic acid</metabolite_name><metabolite_name>L-cysteinesulfinic acid</metabolite_name><metabolite_name>12(13)-epoxy-9z-octadecenoic acid</metabolite_name><metabolite_name>D-glutamine</metabolite_name><metabolite_name>Malonic acid</metabolite_name><metabolite_name>Hippuric acid</metabolite_name><metabolite_name>Adenosine 5'-diphosphate</metabolite_name><metabolite_name>Indole</metabolite_name><metabolite_name>D-Glucuronate</metabolite_name><metabolite_name>1-stearoyl-2-linoleoyl-sn-glycero-3-phospho-l-serine</metabolite_name><metabolite_name>.gamma.-hydroxybutyric acid</metabolite_name><metabolite_name>L-homocitrulline</metabolite_name><metabolite_name>3,7-Dimethyluric acid</metabolite_name><metabolite_name>D-Allose</metabolite_name><metabolite_name>Glycerate</metabolite_name><metabolite_name>Isoleucine</metabolite_name><metabolite_name>Ethyl .beta.-d-glucuronide</metabolite_name><metabolite_name>4-nitrophenol</metabolite_name><metabolite_name>Caftaric acid</metabolite_name><metabolite_name>Thiouric acid</metabolite_name><metabolite_name>D-fructose 1,6-bisphosphate</metabolite_name><metabolite_name>Pyruvate</metabolite_name><metabolite_name>Adenine</metabolite_name><metabolite_name>D-ribulose 5-phosphate</metabolite_name><metabolite_name>N-acetyl-l-tyrosine</metabolite_name><metabolite_name>Uric acid</metabolite_name><metabolite_name>6-hydroxyhexanoate</metabolite_name><metabolite_name>N-propyl gallate</metabolite_name><metabolite_name>D-arabinose</metabolite_name><metabolite_name>Linoleic acid</metabolite_name><metabolite_name>Trans-2,3-dimethylacrylic acid</metabolite_name><metabolite_name>2,4-dichlorophenol</metabolite_name><metabolite_name>Heptadecanoic acid</metabolite_name><metabolite_name>Cdp-ethanolamine</metabolite_name><metabolite_name>Citraconic acid</metabolite_name><metabolite_name>Inosine</metabolite_name><metabolite_name>2-mercaptobenzothiazole</metabolite_name><metabolite_name>Hypotaurine</metabolite_name><metabolite_name>DL-Glutamic acid</metabolite_name><metabolite_name>DL-threonine</metabolite_name><metabolite_name>Phenylacetic acid</metabolite_name><metabolite_name>Caproic acid</metabolite_name><metabolite_name>N-acetyl-l-methionine</metabolite_name><metabolite_name>Glucose</metabolite_name><metabolite_name>Palmitic acid</metabolite_name><metabolite_name>N-glycolylneuraminic acid</metabolite_name><metabolite_name>Cellobiose</metabolite_name><metabolite_name>6-phospho-d-gluconate</metabolite_name><metabolite_name>D-aspartic acid</metabolite_name><metabolite_name>Phosphoric acid</metabolite_name><metabolite_name>3-hydroxymyristic acid</metabolite_name><metabolite_name>Propionic acid</metabolite_name><metabolite_name>Phenylbutazone</metabolite_name><metabolite_name>2-Deoxyribose 5-phosphate</metabolite_name><metabolite_name>Nonanoic acid</metabolite_name><metabolite_name>1,3-Dimethyluric acid</metabolite_name><metabolite_name>Ribitol</metabolite_name><metabolite_name>Lysine</metabolite_name><metabolite_name>N-Acetyl-D-Glucosamine 6-Phosphate</metabolite_name><metabolite_name>O-phosphoethanolamine</metabolite_name><metabolite_name>Glutamic acid</metabolite_name><metabolite_name>P-toluenesulfonic acid</metabolite_name><metabolite_name>Trans-2-hydroxycinnamic acid</metabolite_name><metabolite_name>2,5-furandicarboxylic acid</metabolite_name><metabolite_name>Norharmane</metabolite_name><metabolite_name>Acetylsalicylic acid</metabolite_name><metabolite_name>Propanoic acid</metabolite_name><metabolite_name>Udp-n-acetylglucosamine</metabolite_name><metabolite_name>Acetyl phosphate</metabolite_name><metabolite_name>N-isobutyrylglycine</metabolite_name><metabolite_name>Creatinine</metabolite_name><metabolite_name>.beta.-glycerophosphate</metabolite_name><metabolite_name>Alanine</metabolite_name><metabolite_name>Myo-inositol</metabolite_name><metabolite_name>1-palmitoyl-2-linoleoyl-sn-glycero-3-phosphocholine</metabolite_name><metabolite_name>Acamprosate</metabolite_name><metabolite_name>Xanthosine</metabolite_name><metabolite_name>Cyclohexylcarboxylic acid</metabolite_name><metabolite_name>Xanthine</metabolite_name><metabolite_name>Uridine 5'-monophosphate</metabolite_name><metabolite_name>1,2-benzenedicarboxylic acid</metabolite_name><metabolite_name>Valine</metabolite_name><metabolite_name>3,5,6-trichloro-2-pyridinol</metabolite_name><metabolite_name>D-ribose</metabolite_name><metabolite_name>L-gulono-1,4-lactone</metabolite_name><metabolite_name>3-methylthiopropionate</metabolite_name><metabolite_name>1,2-propanediol, 3-(1,3-benzodioxol-5-yl)-</metabolite_name><metabolite_name>Trans-aconitic acid</metabolite_name><metabolite_name>Modafinil acid</metabolite_name><metabolite_name>D-mannose-6-phosphate</metabolite_name><metabolite_name>1,2-dioleoyl-sn-glycero-3-phospho-l-serine</metabolite_name><metabolite_name>N-acetylglutamine</metabolite_name><metabolite_name>D-2-phosphoglyceric acid</metabolite_name><metabolite_name>Labetalol</metabolite_name><metabolite_name>D-arabinonic acid</metabolite_name><metabolite_name>Inosine 5'-monophosphate (IMP)</metabolite_name><metabolite_name>D-2-aminobutyric acid</metabolite_name><metabolite_name>L-Isoleucine</metabolite_name><metabolite_name>Octadecanoic acid</metabolite_name><metabolite_name>Sulfuric acid</metabolite_name><metabolite_name>5-hydroxyindoleacetate</metabolite_name><metabolite_name>L-Alanine</metabolite_name><metabolite_name>Maleic acid</metabolite_name><metabolite_name>(2-aminoethoxy)[2-[docosa-4.7.10.13.16.19-hexaenoyloxy]-3-[hexadec-1-en-1-yloxy]propoxy]phosphinic acid</metabolite_name><metabolite_name>Orotidine</metabolite_name><metabolite_name>Indole-3-acetaldehyde</metabolite_name><metabolite_name>Indoxyl sulfate</metabolite_name><metabolite_name>3-hydroxyoctanoic acid</metabolite_name><metabolite_name>3-hydroxycapric acid</metabolite_name><metabolite_name>Cidofovir</metabolite_name><metabolite_name>Dehydroascorbic acid</metabolite_name><metabolite_name>Cis-7,10,13,16-docosatetraenoic acid</metabolite_name><metabolite_name>Indole-3-butyric acid</metabolite_name><metabolite_name>1,4-butynediol</metabolite_name><metabolite_name>Guanidinopropionic acid</metabolite_name><metabolite_name>L-(+)-lactic acid</metabolite_name><metabolite_name>Pyruvaldehyde</metabolite_name><metabolite_name>Guanidinoethyl sulfonate</metabolite_name><metabolite_name>Phosphoserine</metabolite_name><metabolite_name>2-Oxoadipic acid</metabolite_name><metabolite_name>Mitragynine</metabolite_name><metabolite_name>Butanoic acid</metabolite_name><metabolite_name>D-fructose</metabolite_name><metabolite_name>Dimethylbenzimidazole</metabolite_name><metabolite_name>N-methyl-l-glutamic acid</metabolite_name><metabolite_name>D-proline</metabolite_name><metabolite_name>7-methylxanthine</metabolite_name><metabolite_name>Dodecanoic acid</metabolite_name><metabolite_name>16-hydroxyhexadecanoic acid</metabolite_name><metabolite_name>3,4-dihydroxyhydrocinnamic acid</metabolite_name><metabolite_name>Cis-9-palmitoleic acid</metabolite_name><metabolite_name>Uridine 5'-diphosphate</metabolite_name><metabolite_name>3,4-dihydroxyacetophenone</metabolite_name><metabolite_name>D-mannose 6-phosphate</metabolite_name><metabolite_name>3-hydroxydodecanoic acid</metabolite_name><metabolite_name>Azelaic acid</metabolite_name><metabolite_name>His-ser</metabolite_name><metabolite_name>Quinolinate</metabolite_name><metabolite_name>Mevalonic acid 5-pyrophosphate</metabolite_name><metabolite_name>L-pyroglutamic acid</metabolite_name><metabolite_name>DL-serine</metabolite_name><metabolite_name>D-mannose 1-phosphate</metabolite_name><metabolite_name>6-Hydroxydopamine</metabolite_name><metabolite_name>D-erythronic acid .gamma.-lactone</metabolite_name><metabolite_name>Sedoheptulose 7-phosphate</metabolite_name><metabolite_name>Guanosine 5'-monophosphate</metabolite_name><metabolite_name>Phosphocreatine</metabolite_name><metabolite_name>Dodecylbenzenesulfonic acid</metabolite_name><metabolite_name>Pyridoxal phosphate</metabolite_name><metabolite_name>Linolenic acid</metabolite_name><metabolite_name>Quinate</metabolite_name><metabolite_name>Maltol</metabolite_name><metabolite_name>Vitamin c</metabolite_name><metabolite_name>Sarcosine</metabolite_name><metabolite_name>Progesterone</metabolite_name><metabolite_name>Mestranol</metabolite_name><metabolite_name>L-Aspartate</metabolite_name></additional><is_claimable>false</is_claimable><name>MRG15 orchestrates glycolysis and the pentose phosphate pathway to facilitate heart regeneration following myocardial infarction</name><description>Metabolic reprogramming is crucial for adult heart regeneration after myocardial infarction (MI). Here, we identify the MORF4-related gene on chromosome 15 (MRG15) as a key orchestrator of cardiomyocyte metabolism to drive cardiomyocyte proliferation. MRG15 expression is upregulated in both hypoxic cardiomyocytes and infarcted human and mouse hearts. Cardiomyocyte-specific Mrg15 overexpression enhances glycolysis and the pentose phosphate pathway (PPP), promoting cardiomyocyte proliferation and cardiac function restoration after MI, whereas Mrg15 deficiency impairs heart regeneration. Mechanistically, cytoplasmic MRG15 interacts with hexokinase 2 (HK2) and enhances its protein stability by preventing its chaperone-mediated autophagy (CMA)-dependent degradation, which requires MRG15 residues 141–145. MRG15-mediated stabilization of HK2 orchestrates glycolysis and PPP, thereby facilitating cardiomyocyte proliferation and heart regeneration in adult mice post-MI. Our results underscore the importance of MRG15-mediated metabolic reprogramming in heart regeneration. By fine-tuning the activity of glycolysis and PPP, MRG15 represents a compelling therapeutic target for regenerative interventions following ischemic injury.</description><dates><publication>2026-09-22</publication><submission>2026-09-22</submission></dates><accession>MTBLS15769</accession><cross_references><HMDB>HMDB0035213</HMDB><HMDB>HMDB0062769</HMDB><HMDB>HMDB0000112</HMDB><HMDB>HMDB0035422</HMDB><HMDB>HMDB0038311</HMDB><HMDB>HMDB0036115</HMDB><HMDB>HMDB0038361</HMDB><HMDB>HMDB0000244</HMDB><HMDB>HMDB0015517</HMDB><HMDB>HMDB0010407</HMDB><HMDB>HMDB0011262</HMDB><HMDB>HMDB0011253</HMDB><HMDB>HMDB0013122</HMDB><HMDB>HMDB0036458</HMDB><HMDB>HMDB0008727</HMDB><HMDB>HMDB0012108</HMDB><HMDB>HMDB0000001</HMDB><HMDB>HMDB0003331</HMDB><HMDB>HMDB0000898</HMDB><HMDB>HMDB0010379</HMDB><HMDB>HMDB0013409</HMDB><HMDB>HMDB0011149</HMDB><HMDB>HMDB0008097</HMDB><HMDB>HMDB0007991</HMDB><HMDB>HMDB0011503</HMDB><HMDB>HMDB0010382</HMDB><HMDB>HMDB0009815</HMDB><HMDB>HMDB0008057</HMDB><HMDB>HMDB0010384</HMDB><HMDB>HMDB0011130</HMDB><HMDB>HMDB0008039</HMDB><HMDB>HMDB0000564/HMDB0007878/HMDB0007879/HMDB0007880/HMDB0007882/HMDB0007884/HMDB0007886/HMDB0007887/HMDB0007897/HMDB0007898/HMDB0007911/HMDB0007912/HMDB0007913/HMDB0007914/HMDB0007936/HMDB0007937/HMDB0007938/HMDB0007939/HMDB0007940/HMDB0007958/HMDB0007959/HMDB0007960/HMDB0007961/HMDB0007964/HMDB0007966/HMDB0007967/HMDB0007981/HMDB0007982/HMDB0007983/HMDB0007984/HMDB0007985/HMDB0008002/HMDB0008003/HMDB0008004/HMDB0008005/HMDB0008028/HMDB0008029/HMDB0008065/HMDB0008066/HMDB0008067/HMDB0008068/HMDB0008069/HMDB0008070/HMDB0008071/HMDB0008091/HMDB0008092/HMDB0008119/HMDB0008120/HMDB0008121/HMDB0008126/HMDB0008129/HMDB0008145/HMDB0008147/HMDB0008182/HMDB0008183/HMDB0008186/HMDB0008191/HMDB0008192/HMDB0008230/HMDB0008231/HMDB0008232/HMDB0008233/HMDB0008269/HMDB0008270/HMDB0008271/HMDB0008272/HMDB0008274/HMDB0008304/HMDB0008306/HMDB0008308/HMDB0008309/HMDB0008312/HMDB0008317/HMDB0008322/HMDB0008323/HMDB0008324/HMDB0008375/HMDB0008377/HMDB0008379/HMDB0008400/HMDB0008401/HMDB0008402/HMDB0008409/HMDB0008410/HMDB0008413/HMDB0008414/HMDB0008415/HMDB0008416/HMDB0008426/HMDB0008427/HMDB0008428/HMDB0008429/HMDB0008431/HMDB0008444/HMDB0008507/HMDB0008508/HMDB0008509/HMDB0008510/HMDB0008514/HMDB0008515/HMDB0008516/HMDB0008522/HMDB0008536/HMDB0008537/HMDB0008538/HMDB0008539/HMDB0008540/HMDB0008541/HMDB0008542/HMDB0008543/HMDB0008606/HMDB0008607/HMDB0008608/HMDB0008609/HMDB0008610/HMDB0008611/HMDB0008612/HMDB0008614/HMDB0008615/HMDB0008655/HMDB0008657/HMDB0008658/HMDB0008659/HMDB0008660/HMDB0008661/HMDB0008662/HMDB0008663/HMDB0008664/HMDB0008665/HMDB0008668/HMDB0008669/HMDB0008670/HMDB0008671/HMDB0008672/HMDB0008673/HMDB0008674/HMDB0008676/HMDB0008681/HMDB0008682/HMDB0008683/HMDB0008684/HMDB0008686/HMDB0008688/HMDB0008690/HMDB0008691/HMDB0008692/HMDB0008697/HMDB0008698/HMDB0008699/HMDB0008700/HMDB0008702/HMDB0008703/HMDB0008704/HMDB0008706/HMDB0008707/HMDB0008730/HMDB0008731/HMDB0008732/HMDB0008733/HMDB0008734/HMDB0008735/HMDB0008736/HMDB0008737/HMDB0008738/HMDB0008745/HMDB0008746/HMDB0008747/HMDB0008748/HMDB0008749/HMDB0008750/HMDB0008751/HMDB0008752/HMDB0008754/HMDB0008758/HMDB0008761/HMDB0008762/HMDB0008766/HMDB0008768/HMDB0008770/HMDB0008773/HMDB0008774/HMDB0008775/HMDB0008791/HMDB0008792/HMDB0008793/HMDB0008795/HMDB0008796/HMDB0008798/HMDB0008799/HMDB0008800</HMDB><HMDB>HMDB0008206</HMDB><HMDB>HMDB0008443</HMDB><HMDB>HMDB0008138</HMDB><HMDB>HMDB0009093</HMDB><HMDB>HMDB0062690</HMDB><HMDB>HMDB0007934</HMDB><HMDB>HMDB0013674</HMDB><HMDB>HMDB0013675</HMDB><HMDB>HMDB0000640</HMDB><HMDB>HMDB0002059</HMDB><HMDB>HMDB0012535</HMDB><HMDB>HMDB0001065</HMDB><HMDB>HMDB0004666</HMDB><HMDB>HMDB0008946</HMDB><HMDB>HMDB0000617</HMDB><HMDB>HMDB0015497</HMDB><HMDB>HMDB0000338</HMDB><HMDB>HMDB0001864</HMDB><HMDB>HMDB0008928</HMDB><HMDB>HMDB0011538</HMDB><HMDB>HMDB0007972</HMDB><HMDB>HMDB0140912</HMDB><HMDB>HMDB0041799</HMDB><HMDB>HMDB0000905</HMDB><HMDB>HMDB0000014</HMDB><HMDB>HMDB0000071</HMDB><HMDB>HMDB0029646</HMDB><HMDB>HMDB0013751</HMDB><HMDB>HMDB0032039</HMDB><HMDB>HMDB0012154</HMDB><HMDB>HMDB0001476</HMDB><HMDB>HMDB0062735</HMDB><HMDB>HMDB0000754</HMDB><HMDB>HMDB0000479</HMDB><HMDB>HMDB0015506</HMDB><HMDB>HMDB0001538</HMDB><HMDB>HMDB0000026</HMDB><HMDB>HMDB0032616</HMDB><HMDB>HMDB0001392</HMDB><HMDB>HMDB0001169</HMDB><HMDB>HMDB0060287</HMDB><HMDB>HMDB0015344</HMDB><HMDB>HMDB0032985</HMDB><HMDB>HMDB0003192</HMDB><HMDB>HMDB0001149</HMDB><HMDB>HMDB0003355</HMDB><HMDB>HMDB0006248</HMDB><HMDB>HMDB0000079</HMDB><HMDB>HMDB0000982</HMDB><HMDB>HMDB0002894</HMDB><HMDB>HMDB0001517</HMDB><HMDB>HMDB0002886</HMDB><HMDB>HMDB0000897</HMDB><HMDB>HMDB0001107</HMDB><HMDB>HMDB0004679</HMDB><HMDB>HMDB0004669</HMDB><HMDB>HMDB0062179</HMDB><HMDB>HMDB0001859</HMDB><HMDB>HMDB0000895</HMDB><HMDB>HMDB0000050</HMDB><HMDB>HMDB0003540</HMDB><HMDB>HMDB0000061</HMDB><HMDB>HMDB0000045</HMDB><HMDB>HMDB0000536</HMDB><HMDB>HMDB0006552</HMDB><HMDB>HMDB0035208</HMDB><HMDB>HMDB0004350</HMDB><HMDB>HMDB0004484</HMDB><HMDB>HMDB0003012</HMDB><HMDB>HMDB0000194</HMDB><HMDB>HMDB0031342</HMDB><HMDB>HMDB0030352</HMDB><HMDB>HMDB0000052</HMDB><HMDB>HMDB0035782</HMDB><HMDB>HMDB0000168</HMDB><HMDB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