Transcriptional Profiles Associated with Aging and Middle Age-Onset Caloric Restriction in Mouse Hearts
To provide a global analysis of gene expression in the aging heart, we monitored the expression of 9,977 genes simultaneously in 5- and 30-month-old male B6C3F1mice by using high-density oligonucleotide microarrays and several statistical techniques. Aging was associated with transcriptional alterat...
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| Veröffentlicht in: | Proceedings of the National Academy of Sciences - PNAS 2002-11, Vol.99 (23), p.14988-14993 |
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| creator | Lee, Cheol-Koo Allison, David B. Brand, Jaap Weindruch, Richard Prolla, Tomas A. |
| description | To provide a global analysis of gene expression in the aging heart, we monitored the expression of 9,977 genes simultaneously in 5- and 30-month-old male B6C3F1mice by using high-density oligonucleotide microarrays and several statistical techniques. Aging was associated with transcriptional alterations consistent with a metabolic shift from fatty acid to carbohydrate metabolism, increased expression of extracellular matrix genes, and reduced protein synthesis. Caloric restriction (CR) started at 14 months of age resulted in a 19% global inhibition of age-related changes in gene expression. Interestingly, CR also resulted in alterations in gene expression consistent with preserved fatty acid metabolism, reduced endogenous DNA damage, decreased innate immune activity, apoptosis modulation, and a marked cytoskeletal reorganization. These observations provide evidence that aging of the heart is associated with specific transcriptional alterations, and that CR initiated in middle age may retard heart aging by inducing a profound transcriptional reprogramming. |
| doi_str_mv | 10.1073/pnas.232308999 |
| format | Article |
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These observations provide evidence that aging of the heart is associated with specific transcriptional alterations, and that CR initiated in middle age may retard heart aging by inducing a profound transcriptional reprogramming.</description><subject>Actins</subject><subject>Aging</subject><subject>Aging - genetics</subject><subject>Algorithms</subject><subject>Animals</subject><subject>Apoptosis</subject><subject>Biological Sciences</subject><subject>Collagens</subject><subject>Diet, Reducing</subject><subject>Enzymes</subject><subject>Enzymes - genetics</subject><subject>Fatty acids</subject><subject>Gene expression</subject><subject>Gene Expression Regulation, Developmental - genetics</subject><subject>Genes</subject><subject>Heart</subject><subject>Heart - growth & development</subject><subject>Lipid metabolism</subject><subject>Male</subject><subject>Mice</subject><subject>Mice, Inbred Strains</subject><subject>Models, Genetic</subject><subject>Nucleic Acid Hybridization</subject><subject>P values</subject><subject>Proteins - genetics</subject><subject>Rodents</subject><subject>Transcription, Genetic</subject><issn>0027-8424</issn><issn>1091-6490</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc1vEzEQxS0EoiFw5YTA6gFx2eCvXdsHDlEEFKlVESpny7v2po4cO9gOlP8erxLCxwFOI8385mnePACeYrTAiNPXu6DzglBCkZBS3gMzjCRuOibRfTBDiPBGMMLOwKOcNwgh2Qr0EJxhwrAULZ6B9U3SIQ_J7YqLQXv4McXReZvhMuc4OF2sgd9cuYXLtQtrqIOBV84Yb2vDNtch2wJX2sfkBvjJ5lLrpARdgFdxny28sDqV_Bg8GLXP9smxzsHnd29vVhfN5fX7D6vlZTO0BJemN1a3nUREt0xYbTBCQrBx4Ez2pjeDsK3puJAEMd4x1PWCMqvlOHYj6bGWdA7eHHR3-35rzWBDSdqrXXJbnb6rqJ36cxLcrVrHrwpT3tY3zsHL436KX_bVj9q6PFjvdbDVjuKk45xT_l8Qiw5zwifF87_ATdyn-uqsCMKMIMpEhRYHaEgx52TH08UYqSloNQWtTkHXhee_-_yFH5OtwKsjMC3-HEtZNRRmUgg17r0v9q5U9MW_0Uo8OxCbXGI6IbQexlFLfwByHMcq</recordid><startdate>20021112</startdate><enddate>20021112</enddate><creator>Lee, Cheol-Koo</creator><creator>Allison, David B.</creator><creator>Brand, Jaap</creator><creator>Weindruch, Richard</creator><creator>Prolla, Tomas A.</creator><general>National Academy of Sciences</general><general>National Acad Sciences</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TK</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20021112</creationdate><title>Transcriptional Profiles Associated with Aging and Middle Age-Onset Caloric Restriction in Mouse Hearts</title><author>Lee, Cheol-Koo ; 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| subjects | Actins Aging Aging - genetics Algorithms Animals Apoptosis Biological Sciences Collagens Diet, Reducing Enzymes Enzymes - genetics Fatty acids Gene expression Gene Expression Regulation, Developmental - genetics Genes Heart Heart - growth & development Lipid metabolism Male Mice Mice, Inbred Strains Models, Genetic Nucleic Acid Hybridization P values Proteins - genetics Rodents Transcription, Genetic |
| title | Transcriptional Profiles Associated with Aging and Middle Age-Onset Caloric Restriction in Mouse Hearts |
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