Late subadult ontogeny and adult aging of the human thorax reveals divergent growth trajectories between sexes

Daniel García-Martínez; Markus Bastir; Chiara Villa; Francisco García-Río; Isabel Torres-Sánchez; Wolfgang Recheis; Alon Barash; Roman Hossein Khonsari; Paul O’Higgins; Marc R. Meyer; Yann Heuzé

doi:10.1038/s41598-020-67664-5

Late subadult ontogeny and adult aging of the human thorax reveals divergent growth trajectories between sexes

Daniel García-Martínez, Markus Bastir, Chiara Villa, Francisco García-Río, Isabel Torres-Sánchez, Wolfgang Recheis, Alon Barash, Roman Hossein Khonsari, Paul O’Higgins, Marc R. Meyer, Yann Heuzé

Bar-Ilan University - Azrieli Faculty of Medicine

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Sexual dimorphism is an important feature of adult thorax morphology, but when and how sex-related differences in the ribcage arise during ontogeny is poorly known. Previous research proposed that sex-related size differences in the nasal region arise during puberty. Therefore, we explore whether ribcage sexual dimorphism also arises at that time and whether this sexual dimorphism is maintained until old age. We measured 526 (semi)landmarks on 80 CT-based human ribcage reconstructions, on individuals ranging from 7 to 65 year-old. The 3D coordinates were submitted to the Procrustes superimposition and analyzed. Our results show that the trajectories of thorax size and shape between sexes diverge at around 12 years of age, and continue slightly diverging until old age. The differential ontogenetic trends cause adult male ribcages to become deeper, shorter, and wider than female. Our results are consistent with the evidence from the cranial respiratory system, with the development of sexual dimorphism probably related to changes in body composition during puberty combined with changes in the reproductive system.

Original language	English
Article number	10737
Journal	Scientific Reports
Volume	10
Issue number	1
DOIs	https://doi.org/10.1038/s41598-020-67664-5
State	Published - 1 Jul 2020

Bibliographical note

Publisher Copyright:
© 2020, The Author(s).

Funding

This work was partially funded by the IdEx University of Bordeaux Investments for the Future program (ANR-10-IDEX-03-02), and the projects CGL2012-37279 and CGL2015-63648P (Ministry of Economy, Industry and Competitiveness, Spain) and PI10/02089 (Fondo de Investigación Sanitaria, Ministry of Health, Social Services and Equality Spain). The “Juan de la Cierva Formación” program (FJCI-2017-32157), from the Spanish Ministry of Science, Innovation, and Universities, funds DGM. The authors thank the reviewers of previous versions of this manuscript for their positive and fruitful comments.

Funders	Funder number
ANR-10-IDEX-03-02	CGL2015-63648P
IdEx University of Bordeaux
Ministerio de Ciencia, Innovación y Universidades
Ministerio de Sanidad, Consumo y Bienestar Social	FJCI-2017-32157
Ministerio de Salud y Protección Social
Ministry of Economy, Trade and Industry	PI10/02089
Ministerio de Economía y Competitividad	CGL2012-37279

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10.1038/s41598-020-67664-5

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García-Martínez, D., Bastir, M., Villa, C., García-Río, F., Torres-Sánchez, I., Recheis, W., Barash, A., Khonsari, R. H., O’Higgins, P., Meyer, M. R., & Heuzé, Y. (2020). Late subadult ontogeny and adult aging of the human thorax reveals divergent growth trajectories between sexes. Scientific Reports, 10(1), Article 10737. https://doi.org/10.1038/s41598-020-67664-5

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abstract = "Sexual dimorphism is an important feature of adult thorax morphology, but when and how sex-related differences in the ribcage arise during ontogeny is poorly known. Previous research proposed that sex-related size differences in the nasal region arise during puberty. Therefore, we explore whether ribcage sexual dimorphism also arises at that time and whether this sexual dimorphism is maintained until old age. We measured 526 (semi)landmarks on 80 CT-based human ribcage reconstructions, on individuals ranging from 7 to 65 year-old. The 3D coordinates were submitted to the Procrustes superimposition and analyzed. Our results show that the trajectories of thorax size and shape between sexes diverge at around 12 years of age, and continue slightly diverging until old age. The differential ontogenetic trends cause adult male ribcages to become deeper, shorter, and wider than female. Our results are consistent with the evidence from the cranial respiratory system, with the development of sexual dimorphism probably related to changes in body composition during puberty combined with changes in the reproductive system.",

author = "Daniel Garc{\'i}a-Mart{\'i}nez and Markus Bastir and Chiara Villa and Francisco Garc{\'i}a-R{\'i}o and Isabel Torres-S{\'a}nchez and Wolfgang Recheis and Alon Barash and Khonsari, {Roman Hossein} and Paul O{\textquoteright}Higgins and Meyer, {Marc R.} and Yann Heuz{\'e}",

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doi = "10.1038/s41598-020-67664-5",

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AU - Recheis, Wolfgang

AU - Barash, Alon

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AU - O’Higgins, Paul

AU - Meyer, Marc R.

AU - Heuzé, Yann

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Late subadult ontogeny and adult aging of the human thorax reveals divergent growth trajectories between sexes

Abstract

Bibliographical note

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