The characterization of normal thyroid tissue by micro-FTIR spectroscopy

In this paper, we report the spectral patterns of normal human thyroid tissue and methodology to interpret hyperspectral imaging data and protein conformational changes observed therein. Raw image datasets were imported into software written in-house in the MATLAB environment and processed to yield...

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Veröffentlicht in:Analyst (London) Jg. 138; H. 23; S. 7094
Hauptverfasser: Pereira, Thiago M, Zezell, Denise M, Bird, Benjamin, Miljković, Milos, Diem, Max
Format: Journal Article
Sprache:Englisch
Veröffentlicht: England 07.12.2013
Schlagworte:
Humans
Spectroscopy, Fourier Transform Infrared - methods
Thyroid Gland - chemistry
Thyroid Hormones - analysis
Tissue Array Analysis
ISSN:1364-5528, 1364-5528
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Abstract In this paper, we report the spectral patterns of normal human thyroid tissue and methodology to interpret hyperspectral imaging data and protein conformational changes observed therein. Raw image datasets were imported into software written in-house in the MATLAB environment and processed to yield pseudo-color images of the tissue sections. All spectra were vector normalized, noise-filtered, and corrected for water-vapour contributions and scattering effects before being subjected to Hierarchical Cluster Analysis (HCA) and correlated with histological structures obtained from images of H&E-stained parallel tissue sections. We successfully identified a protein structural heterogeneity that can be correlated with the spatially resolved amount of iodine in the thyroglobulin structure of colloids and follicular cells.
AbstractList In this paper, we report the spectral patterns of normal human thyroid tissue and methodology to interpret hyperspectral imaging data and protein conformational changes observed therein. Raw image datasets were imported into software written in-house in the MATLAB environment and processed to yield pseudo-color images of the tissue sections. All spectra were vector normalized, noise-filtered, and corrected for water-vapour contributions and scattering effects before being subjected to Hierarchical Cluster Analysis (HCA) and correlated with histological structures obtained from images of H&E-stained parallel tissue sections. We successfully identified a protein structural heterogeneity that can be correlated with the spatially resolved amount of iodine in the thyroglobulin structure of colloids and follicular cells.In this paper, we report the spectral patterns of normal human thyroid tissue and methodology to interpret hyperspectral imaging data and protein conformational changes observed therein. Raw image datasets were imported into software written in-house in the MATLAB environment and processed to yield pseudo-color images of the tissue sections. All spectra were vector normalized, noise-filtered, and corrected for water-vapour contributions and scattering effects before being subjected to Hierarchical Cluster Analysis (HCA) and correlated with histological structures obtained from images of H&E-stained parallel tissue sections. We successfully identified a protein structural heterogeneity that can be correlated with the spatially resolved amount of iodine in the thyroglobulin structure of colloids and follicular cells.
In this paper, we report the spectral patterns of normal human thyroid tissue and methodology to interpret hyperspectral imaging data and protein conformational changes observed therein. Raw image datasets were imported into software written in-house in the MATLAB environment and processed to yield pseudo-color images of the tissue sections. All spectra were vector normalized, noise-filtered, and corrected for water-vapour contributions and scattering effects before being subjected to Hierarchical Cluster Analysis (HCA) and correlated with histological structures obtained from images of H&E-stained parallel tissue sections. We successfully identified a protein structural heterogeneity that can be correlated with the spatially resolved amount of iodine in the thyroglobulin structure of colloids and follicular cells.
Author Pereira, Thiago M
Bird, Benjamin
Diem, Max
Zezell, Denise M
Miljković, Milos
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  organization: Centro de Lasers e Aplicações, Instituto de Pesquisas Energéticas e Nucleares, Avenida Professor Lineu Prestes 2242, 05508-000, São Paulo, SP, Brazil. zezell@usp.br
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  givenname: Denise M
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  givenname: Benjamin
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  givenname: Max
  surname: Diem
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SubjectTerms Humans
Spectroscopy, Fourier Transform Infrared - methods
Thyroid Gland - chemistry
Thyroid Hormones - analysis
Tissue Array Analysis
Title The characterization of normal thyroid tissue by micro-FTIR spectroscopy
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