Dataset Information

The Detection of Heat Stress by Assessing individual Body Responses to Heat (Heat Strain) in Young and Healthy Non-athlete Participants

ABSTRACT: Heat stress can reduce work performance and increases the risk for work related injuries. An in-depth understanding of the molecular heat strain signature in sweat for an extended personalized molecular monitoring is lacking. The HEATSTAR project is, to the best of our knowledge, the first project to use a personalized study setting to assess the molecular signature of proteomics and metabolomics in sweat during moderate heat stress. It was investigated if biomarker candidates can be identified that allow us to differentiate between various heat stressors. For this, we conducted a personalized, cross-sectional, crossover pilot trial with randomized study visits. Healthy non-athlete participants aged 18-40 were included and four different types of heat stressors applied. The local sweat rate through technical absorbents, the whole body sweat rate, and sweat’s metabolomic as well as proteomic molecular composition were assessed.

INSTRUMENT(S): timsTOF Pro

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Sweat

SUBMITTER: Noé Brasier

LAB HEAD: Noé Brasier

PROVIDER: PXD053287 | Pride | 2025-04-03

REPOSITORIES: Pride

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Dataset's files

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			Action	DRS
	20230621_001_S494847_22-03-21a.d.zip	Other
	20230621_002_S494723_09-02-21a.d.zip	Other
	20230621_003_S494648_02-03-31a.d.zip	Other
	20230621_004_S494745_10-04-41a.d.zip	Other
	20230621_005_S494798_18-03-11a.d.zip	Other

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Project description:Sweat glands play a fundamental role in thermal regulation in man, but the molecular mechanism of their development remains unknown. To initiate analyses, we compared the model of Eda mutant Tabby mice, in which sweat glands were not formed, to wild-type mice. We inferred developmental stages and critical genes based on observations at 7 time points spanning embryonic, postnatal and adult life. In wild-type footpads, sweat gland germs were detected at E17.5. The coiling of secretory portions started at postnatal day 1 (P1), and sweat gland formation was essentially complete by P5. Consistent with a controlled morphological progression, expression profiling revealed stage-specific gene expression changes. Similar to the development of hair follicles the other major skin appendage controlled by EDA sweat gland induction and initial progression was accompanied by Eda-dependent up-regulation of the Shh pathway. During the further development of sweat gland secretory portions, Foxa1 and Foxi1, not at all expressed in hair follicles, were progressively up-regulated in wild-type but not in Tabby footpads. Upon completion of wild-type development, Shh declined to Tabby levels, but Fox family genes remained at elevated levels in mature sweat glands. The results provide a framework for the further analysis of phased downstream regulation of gene action, possibly by a signaling cascade, in response to Eda. This SuperSeries is composed of the following subset Series: GSE14870: Requirement for Shh and Fox family genes at different stages in sweat gland development (E15.5) GSE14871: Requirement for Shh and Fox family genes at different stages in sweat gland development (E16.5) GSE14872: Requirement for Shh and Fox family genes at different stages in sweat gland development (E17.5) GSE14873: Requirement for Shh and Fox family genes at different stages in sweat gland development (P1) GSE14874: Requirement for Shh and Fox family genes at different stages in sweat gland development (P3) GSE14876: Requirement for Shh and Fox family genes at different stages in sweat gland development (P5) GSE14877: Requirement for Shh and Fox family genes at different stages in sweat gland development (Adult) To define target genes of Eda during sweat gland development, we carried out microarray experiments with mouse footpads that from 7 developmental time points including E15.5, E16.5, E17.5, P1, P3, P5 and 8 weeks of wild-type and Tabby mice. Refer to individual Series

Dataset Information

The Detection of Heat Stress by Assessing individual Body Responses to Heat (Heat Strain) in Young and Healthy Non-athlete Participants

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