A Pyroglutamate Aminopeptidase 1 Responsive Fluorescence Imaging Probe for Real-Time Rapid Differentiation between Thyroiditis and Thyroid Cancer

Current diagnostic methods for thyroid diseases, including blood tests, ultrasound, and biopsy, always have difficulty diagnosing thyroiditis accurately, occasionally mistaking it for thyroid cancer. To address this clinical challenge, we developed Ox-PGP1, a novel fluorescent probe realizing rapid,...

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Veröffentlicht in:Analytical chemistry (Washington) 2024-04, Vol.96 (15), p.5897-5905
Hauptverfasser: Zhang, Siqi, Ma, Mo, Li, Jingkang, Li, Jiaxin, Xu, Lanlan, Gao, Dejiang, Ma, Pinyi, Han, Hui, Song, Daqian
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container_end_page 5905
container_issue 15
container_start_page 5897
container_title Analytical chemistry (Washington)
container_volume 96
creator Zhang, Siqi
Ma, Mo
Li, Jingkang
Li, Jiaxin
Xu, Lanlan
Gao, Dejiang
Ma, Pinyi
Han, Hui
Song, Daqian
description Current diagnostic methods for thyroid diseases, including blood tests, ultrasound, and biopsy, always have difficulty diagnosing thyroiditis accurately, occasionally mistaking it for thyroid cancer. To address this clinical challenge, we developed Ox-PGP1, a novel fluorescent probe realizing rapid, noninvasive, and real-time diagnostic techniques. This is the first imaging tool capable of noninvasively distinguishing between thyroiditis and thyroid cancer. Ox-PGP1 was introduced as a fluorescent probe custom-built for the specific detection and quantification of pyroglutamate aminopeptidase 1 (PGP-1), a known pivotal biomarker of inflammation. Ox-PGP1 overcame the disadvantages of traditional enzyme-responsive fluorescent probes that relied on the intramolecular charge transfer (ICT) mechanism, including the issue of high background fluorescence, while offering exceptional photostability under laser irradiation. The spectral properties of Ox-PGP1 were meticulously optimized to enhance its biocompatibility. Furthermore, the low limit of detection (LOD) of Ox-PGP1 was determined to be 0.09 μg/mL, which demonstrated its remarkable sensitivity and precision. Both cellular and in vivo experiments validated the capacity of Ox-PGP1 for accurate differentiation between normal, inflammatory, and cancerous thyroid cells. Furthermore, Ox-PGP1 showed the potential to rapidly and sensitively differentiate between autoimmune thyroiditis and anaplastic thyroid carcinoma in a mouse model, achieving results in just 5 min. The successful design and application of Ox-PGP1 represent a substantial advancement in technology over traditional diagnostic approaches, potentially enabling earlier interventions for thyroid diseases.
doi_str_mv 10.1021/acs.analchem.3c05872
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Both cellular and in vivo experiments validated the capacity of Ox-PGP1 for accurate differentiation between normal, inflammatory, and cancerous thyroid cells. Furthermore, Ox-PGP1 showed the potential to rapidly and sensitively differentiate between autoimmune thyroiditis and anaplastic thyroid carcinoma in a mouse model, achieving results in just 5 min. 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Chem</addtitle><date>2024-04-16</date><risdate>2024</risdate><volume>96</volume><issue>15</issue><spage>5897</spage><epage>5905</epage><pages>5897-5905</pages><issn>0003-2700</issn><issn>1520-6882</issn><eissn>1520-6882</eissn><abstract>Current diagnostic methods for thyroid diseases, including blood tests, ultrasound, and biopsy, always have difficulty diagnosing thyroiditis accurately, occasionally mistaking it for thyroid cancer. To address this clinical challenge, we developed Ox-PGP1, a novel fluorescent probe realizing rapid, noninvasive, and real-time diagnostic techniques. This is the first imaging tool capable of noninvasively distinguishing between thyroiditis and thyroid cancer. Ox-PGP1 was introduced as a fluorescent probe custom-built for the specific detection and quantification of pyroglutamate aminopeptidase 1 (PGP-1), a known pivotal biomarker of inflammation. Ox-PGP1 overcame the disadvantages of traditional enzyme-responsive fluorescent probes that relied on the intramolecular charge transfer (ICT) mechanism, including the issue of high background fluorescence, while offering exceptional photostability under laser irradiation. The spectral properties of Ox-PGP1 were meticulously optimized to enhance its biocompatibility. Furthermore, the low limit of detection (LOD) of Ox-PGP1 was determined to be 0.09 μg/mL, which demonstrated its remarkable sensitivity and precision. Both cellular and in vivo experiments validated the capacity of Ox-PGP1 for accurate differentiation between normal, inflammatory, and cancerous thyroid cells. Furthermore, Ox-PGP1 showed the potential to rapidly and sensitively differentiate between autoimmune thyroiditis and anaplastic thyroid carcinoma in a mouse model, achieving results in just 5 min. 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subjects Aminopeptidase
aminopeptidases
analytical chemistry
Animals
Biocompatibility
Biomarkers
Biopsy
blood
Cancer
carcinoma
Charge transfer
detection limit
Differentiation
Fluorescence
Fluorescent Dyes
Fluorescent indicators
In vivo methods and tests
Inflammation
Irradiation
Laser radiation
Medical imaging
Mice
Optical Imaging
photostability
Pyroglutamyl-Peptidase I
Real time
Thyroid
Thyroid cancer
Thyroid carcinoma
Thyroid diseases
thyroid neoplasms
Thyroid Neoplasms - diagnostic imaging
Thyroiditis
Thyroiditis - pathology
ultrasonics
title A Pyroglutamate Aminopeptidase 1 Responsive Fluorescence Imaging Probe for Real-Time Rapid Differentiation between Thyroiditis and Thyroid Cancer
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