Dietary factors impact on the association between CTSS variants and obesity related traits.
<h4>Background/aims</h4>Cathepsin S, a protein coded by the CTSS gene, is implicated in adipose tissue biology--this protein enhances adipose tissue development. Our hypothesis is that common variants in CTSS play a role in body weight regulation and in the development of obesity and tha...
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Public Library of Science (PLoS)
2012-01-01
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| author | Henri Hooton Lars Angquist Claus Holst Jorg Hager Francis Rousseau Rikke D Hansen Anne Tjønneland Nina Roswall Daphne L van der A Kim Overvad Marianne Uhre Jakobsen Heiner Boeing Karina Meidtner Domenico Palli Giovanna Masala Nabila Bouatia-Naji Wim H M Saris Edith J M Feskens Nicolas J Wareham Karani S Vimaleswaran Dominique Langin Ruth J F Loos Thorkild I A Sørensen Karine Clément |
| author_facet | Henri Hooton Lars Angquist Claus Holst Jorg Hager Francis Rousseau Rikke D Hansen Anne Tjønneland Nina Roswall Daphne L van der A Kim Overvad Marianne Uhre Jakobsen Heiner Boeing Karina Meidtner Domenico Palli Giovanna Masala Nabila Bouatia-Naji Wim H M Saris Edith J M Feskens Nicolas J Wareham Karani S Vimaleswaran Dominique Langin Ruth J F Loos Thorkild I A Sørensen Karine Clément |
| author_sort | Henri Hooton |
| collection | DOAJ |
| description | <h4>Background/aims</h4>Cathepsin S, a protein coded by the CTSS gene, is implicated in adipose tissue biology--this protein enhances adipose tissue development. Our hypothesis is that common variants in CTSS play a role in body weight regulation and in the development of obesity and that these effects are influenced by dietary factors--increased by high protein, glycemic index and energy diets.<h4>Methods</h4>Four tag SNPs (rs7511673, rs11576175, rs10888390 and rs1136774) were selected to capture all common variation in the CTSS region. Association between these four SNPs and several adiposity measurements (BMI, waist circumference, waist for given BMI and being a weight gainer-experiencing the greatest degree of unexplained annual weight gain during follow-up or not) given, where applicable, both as baseline values and gain during the study period (6-8 years) were tested in 11,091 European individuals (linear or logistic regression models). We also examined the interaction between the CTSS variants and dietary factors--energy density, protein content (in grams or in % of total energy intake) and glycemic index--on these four adiposity phenotypes.<h4>Results</h4>We found several associations between CTSS polymorphisms and anthropometric traits including baseline BMI (rs11576175 (SNP N°2), p = 0.02, β = -0.2446), and waist change over time (rs7511673 (SNP N°1), p = 0.01, β = -0.0433 and rs10888390 (SNP N°3), p = 0.04, β = -0.0342). In interaction with the percentage of proteins contained in the diet, rs11576175 (SNP N°2) was also associated with the risk of being a weight gainer (p(interaction) = 0.01, OR = 1.0526)--the risk of being a weight gainer increased with the percentage of proteins contained in the diet.<h4>Conclusion</h4>CTSS variants seem to be nominally associated to obesity related traits and this association may be modified by dietary protein intake. |
| format | Article |
| id | doaj-art-8a1776bb0a2b41feafcbf23c05598f87 |
| institution | OA Journals |
| issn | 1932-6203 |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Public Library of Science (PLoS) |
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| spelling | doaj-art-8a1776bb0a2b41feafcbf23c05598f872025-08-20T02:30:51ZengPublic Library of Science (PLoS)PLoS ONE1932-62032012-01-0177e4039410.1371/journal.pone.0040394Dietary factors impact on the association between CTSS variants and obesity related traits.Henri HootonLars AngquistClaus HolstJorg HagerFrancis RousseauRikke D HansenAnne TjønnelandNina RoswallDaphne L van der AKim OvervadMarianne Uhre JakobsenHeiner BoeingKarina MeidtnerDomenico PalliGiovanna MasalaNabila Bouatia-NajiWim H M SarisEdith J M FeskensNicolas J WarehamKarani S VimaleswaranDominique LanginRuth J F LoosThorkild I A SørensenKarine Clément<h4>Background/aims</h4>Cathepsin S, a protein coded by the CTSS gene, is implicated in adipose tissue biology--this protein enhances adipose tissue development. Our hypothesis is that common variants in CTSS play a role in body weight regulation and in the development of obesity and that these effects are influenced by dietary factors--increased by high protein, glycemic index and energy diets.<h4>Methods</h4>Four tag SNPs (rs7511673, rs11576175, rs10888390 and rs1136774) were selected to capture all common variation in the CTSS region. Association between these four SNPs and several adiposity measurements (BMI, waist circumference, waist for given BMI and being a weight gainer-experiencing the greatest degree of unexplained annual weight gain during follow-up or not) given, where applicable, both as baseline values and gain during the study period (6-8 years) were tested in 11,091 European individuals (linear or logistic regression models). We also examined the interaction between the CTSS variants and dietary factors--energy density, protein content (in grams or in % of total energy intake) and glycemic index--on these four adiposity phenotypes.<h4>Results</h4>We found several associations between CTSS polymorphisms and anthropometric traits including baseline BMI (rs11576175 (SNP N°2), p = 0.02, β = -0.2446), and waist change over time (rs7511673 (SNP N°1), p = 0.01, β = -0.0433 and rs10888390 (SNP N°3), p = 0.04, β = -0.0342). In interaction with the percentage of proteins contained in the diet, rs11576175 (SNP N°2) was also associated with the risk of being a weight gainer (p(interaction) = 0.01, OR = 1.0526)--the risk of being a weight gainer increased with the percentage of proteins contained in the diet.<h4>Conclusion</h4>CTSS variants seem to be nominally associated to obesity related traits and this association may be modified by dietary protein intake.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0040394&type=printable |
| spellingShingle | Henri Hooton Lars Angquist Claus Holst Jorg Hager Francis Rousseau Rikke D Hansen Anne Tjønneland Nina Roswall Daphne L van der A Kim Overvad Marianne Uhre Jakobsen Heiner Boeing Karina Meidtner Domenico Palli Giovanna Masala Nabila Bouatia-Naji Wim H M Saris Edith J M Feskens Nicolas J Wareham Karani S Vimaleswaran Dominique Langin Ruth J F Loos Thorkild I A Sørensen Karine Clément Dietary factors impact on the association between CTSS variants and obesity related traits. PLoS ONE |
| title | Dietary factors impact on the association between CTSS variants and obesity related traits. |
| title_full | Dietary factors impact on the association between CTSS variants and obesity related traits. |
| title_fullStr | Dietary factors impact on the association between CTSS variants and obesity related traits. |
| title_full_unstemmed | Dietary factors impact on the association between CTSS variants and obesity related traits. |
| title_short | Dietary factors impact on the association between CTSS variants and obesity related traits. |
| title_sort | dietary factors impact on the association between ctss variants and obesity related traits |
| url | https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0040394&type=printable |
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