Novel non-invasive method for urine mapping : Deep-learning-enabled SERS spectroscopy for the rapid differential detection of kidney allograft injury
Copyright © 2024. Published by Elsevier B.V..
The kidney allograft has been under continuous attack from diverse injuries since the very beginning of organ procurement, leading to a gradual decline in function, chronic fibrosis, and allograft loss. It is vital to routinely and precisely monitor the risk of injuries after renal transplantation, which is difficult to achieve because the traditional laboratory tests lack sensitivity and specificity, and graft biopsies are invasive with the risk of many complications and time-consuming. Herein, a novel method for the diagnosis of graft injury is demonstrated, using deep learning-assisted surface-enhanced Raman spectroscopy (SERS) of the urine analysis. Specifically, we developed a hybrid SERS substrate composed of gold and silver with high sensitivity to the urine composition under test, eliminating the need for labels, which makes measurements easy to perform and meanwhile results in extremely abundant and complex Raman vibrational bands. Deep learning algorithms were then developed to improve the interpretation of the SERS spectral fingerprints. The deep learning model was trained with SERS signals of urine samples of recipients with different injury types including delayed graft function (DGF), calcineurin-inhibitor toxicity (CNIT), T cell-mediated rejection (TCMR), antibody-mediated rejection (AMR), and BK virus nephropathy (BKVN), which explored the features of these types and achieved the injury differentiation with an overall accuracy of 93.03%. The results highlight the potential of combining label-free SERS spectroscopy with deep learning as a method for liquid biopsy of kidney allograft injuries, which can provide great potential to diagnose and evaluate allograft injuries, and thus extend the life of kidney allografts.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:315 |
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| Enthalten in: |
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy - 315(2024) vom: 04. Apr., Seite 124255 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chen, Xi [VerfasserIn] |
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| Links: |
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| Themen: |
Allograft injury |
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| Anmerkungen: |
Date Revised 12.04.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1016/j.saa.2024.124255 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370978757 |
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| 520 | |a The kidney allograft has been under continuous attack from diverse injuries since the very beginning of organ procurement, leading to a gradual decline in function, chronic fibrosis, and allograft loss. It is vital to routinely and precisely monitor the risk of injuries after renal transplantation, which is difficult to achieve because the traditional laboratory tests lack sensitivity and specificity, and graft biopsies are invasive with the risk of many complications and time-consuming. Herein, a novel method for the diagnosis of graft injury is demonstrated, using deep learning-assisted surface-enhanced Raman spectroscopy (SERS) of the urine analysis. Specifically, we developed a hybrid SERS substrate composed of gold and silver with high sensitivity to the urine composition under test, eliminating the need for labels, which makes measurements easy to perform and meanwhile results in extremely abundant and complex Raman vibrational bands. Deep learning algorithms were then developed to improve the interpretation of the SERS spectral fingerprints. The deep learning model was trained with SERS signals of urine samples of recipients with different injury types including delayed graft function (DGF), calcineurin-inhibitor toxicity (CNIT), T cell-mediated rejection (TCMR), antibody-mediated rejection (AMR), and BK virus nephropathy (BKVN), which explored the features of these types and achieved the injury differentiation with an overall accuracy of 93.03%. The results highlight the potential of combining label-free SERS spectroscopy with deep learning as a method for liquid biopsy of kidney allograft injuries, which can provide great potential to diagnose and evaluate allograft injuries, and thus extend the life of kidney allografts | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Allograft injury | |
| 650 | 4 | |a Core-Shell nanoparticles | |
| 650 | 4 | |a Deep learning | |
| 650 | 4 | |a Kidney transplantation | |
| 650 | 4 | |a Surface-enhanced Raman scattering | |
| 700 | 1 | |a Lin, Kailin |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Kewen |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Luyao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Hongyi |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Pei |e verfasserin |4 aut | |
| 700 | 1 | |a Zeng, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xuedian |e verfasserin |4 aut | |
| 700 | 1 | |a Sui, Mingxing |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Hui |e verfasserin |4 aut | |
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