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Li Z, Huang S, He Y, van Wijnbergen JW, Zhang Y, Cottrell RD, Smith SG, Hammond PT, Chen DZ, Padera TP, Belcher AM. A new label-free optical imaging method for the lymphatic system enhanced by deep learning. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.13.523938. [PMID: 36711668 PMCID: PMC9882203 DOI: 10.1101/2023.01.13.523938] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Our understanding of the lymphatic vascular system lags far behind that of the blood vascular system, limited by available imaging technologies. We present a label-free optical imaging method that visualizes the lymphatic system with high contrast. We developed an orthogonal polarization imaging (OPI) in the shortwave infrared range (SWIR) and imaged both lymph nodes and lymphatic vessels of mice and rats in vivo through intact skin, as well as human mesenteric lymph nodes in colectomy specimens. By integrating SWIR-OPI with U-Net, a deep learning image segmentation algorithm, we automated the lymph node size measurement process. Changes in lymph nodes in response to cancer progression were monitored in two separate mouse cancer models, through which we obtained insights into pre-metastatic niches and correlation between lymph node masses and many important biomarkers. In a human pilot study, we demonstrated the effectiveness of SWIR-OPI to detect human lymph nodes in real time with clinical colectomy specimens. One Sentence Summary We develop a real-time high contrast optical technique for imaging the lymphatic system, and apply it to anatomical pathology gross examination in a clinical setting, as well as real-time monitoring of tumor microenvironment in animal studies.
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Meta-Analysis of the Diagnostic Value of Tracer Staining Technology Based on Nanocarbon Suspension in Sentinel Lymph Node Biopsy of Breast Cancer. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:2299852. [PMID: 35602338 PMCID: PMC9119750 DOI: 10.1155/2022/2299852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/11/2022] [Accepted: 04/23/2022] [Indexed: 11/18/2022]
Abstract
Objective. To evaluate the diagnostic value of the nanometer carbon suspension tracer staining technique in sentinel lymph node biopsy of breast cancer is the objective of this study. Methods. The PubMed, Embase, Cochrane Library (Central), and Web of Science (SCI Expanded), and Chinese databases (CNKI, VIP, Wan Fang, and CBM) were systematically searched for studies on the diagnostic value of nanocarbon suspension in sentinel lymph node biopsy of breast cancer. Two reviewers independently assessed the methodological quality of each study using the QUADAS-2 tool. The extracted valid data were calculated using Meta-Disc1.4 software and tested for heterogeneity. STATA14.0 software was selected for sensitivity analysis of the included studies, and publication bias was assessed using Deeks’ forest plot asymmetry test. Results. A total of 10 studies were obtained. The pooled data were as follows: sensitivity, 0.92 (0.88~0.95); specificity, 0.99 (0.98~1.00); positive likelihood ratio, 69.24 (30.34~158.02); negative likelihood ratio, 0.09 (0.06~0.13); and the combined diagnostic odds ratio, 747.40 (285.77~1954.76),
. Nanocarbon suspension tracers have an accuracy rate of 98.81% in the diagnosis of sentinel lymph nodes in breast cancer. Conclusion. Tracer staining technology based on nanocarbon suspension can accurately assess the status of lymph nodes in sentinel lymph node biopsy of breast cancer and has good stability and operability, which is worthy of clinical promotion.
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Mustapha R, Ng K, Monypenny J, Ng T. Insights Into Unveiling a Potential Role of Tertiary Lymphoid Structures in Metastasis. Front Mol Biosci 2021; 8:661516. [PMID: 34568423 PMCID: PMC8455920 DOI: 10.3389/fmolb.2021.661516] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 08/17/2021] [Indexed: 12/12/2022] Open
Abstract
Tertiary lymphoid structures (TLSs) develop in non-lymphatic tissue in chronic inflammation and cancer. TLS can mature to lymph node (LN) like structures with germinal centers and associated vasculature. TLS neogenesis in cancer is highly varied and tissue dependent. The role of TLS in adaptive antitumor immunity is of great interest. However, data also show that TLS can play a role in cancer metastasis. The importance of lymphatics in cancer distant metastasis is clear yet the precise detail of how various immunosurveillance mechanisms interplay within TLS and/or draining LN is still under investigation. As part of the tumor lymphatics, TLS vasculature can provide alternative routes for the establishment of the pre-metastatic niche and cancer dissemination. The nature of the cytokine and chemokine signature at the heart of TLS induction can be key in determining the success of antitumor immunity or in promoting cancer invasiveness. Understanding the biochemical and biomechanical factors underlying TLS formation and the resulting impact on the primary tumor will be key in deciphering cancer metastasis and in the development of the next generation of cancer immunotherapeutics.
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Affiliation(s)
- Rami Mustapha
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer and Pharmaceutical Sciences, King’s College London, Guy’s Medical School Campus, London, United Kingdom
- Cancer Research UK King’s Health Partners Centre, London, United Kingdom
| | - Kenrick Ng
- UCL Cancer Institute, University College London, London, United Kingdom
- Department of Medical Oncology, University College Hospitals NHS Foundation Trust, London, United Kingdom
| | - James Monypenny
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer and Pharmaceutical Sciences, King’s College London, Guy’s Medical School Campus, London, United Kingdom
| | - Tony Ng
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer and Pharmaceutical Sciences, King’s College London, Guy’s Medical School Campus, London, United Kingdom
- Cancer Research UK King’s Health Partners Centre, London, United Kingdom
- UCL Cancer Institute, University College London, London, United Kingdom
- Cancer Research UK City of London Centre, London, United Kingdom
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Noguchi M, Morioka E, Noguchi M, Inokuchi M, Kurose N, Shioya A, Yamada S. The role of axillary reverse mapping in intraoperative nodal palpation during sentinel lymph node biopsy. Breast J 2021; 27:651-656. [PMID: 34120393 DOI: 10.1111/tbj.14260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/19/2021] [Accepted: 05/24/2021] [Indexed: 11/29/2022]
Abstract
Intraoperative nodal palpation in the axilla is a mandatory part of sentinel lymph node biopsy. However, there is no consensus regarding the definition of suspicious palpable node. The sampling rate and involvement rate of suspicious palpable nodes are inconsistent. We hypothesized that axillary reverse mapping is helpful to select suspicious palpable sentinel lymph nodes more accurately. Patients with clinically negative nodes underwent sentinel lymph node biopsy with intraoperative nodal palpation and axillary reverse mapping. Blue and hot nodes were removed as sentinel lymph nodes. Suspicious palpable nodes that were neither blue nor hot were removed as palpable sentinel lymph nodes. Nodes around blue and hot sentinel lymph node were incidentally removed as para-sentinel lymph nodes. Fluorescent nodes were considered axillary reverse mapping nodes. Patients with positive sentinel lymph node underwent axillary lymph node dissection. Palpable sentinel lymph nodes and para-sentinel lymph nodes were removed in 130 (15%) of 850 patients with clinically negative nodes. Although palpable sentinel lymph nodes and para-sentinel lymph nodes were involved in 19 (15%) of 130 patients, fluorescent palpable sentinel lymph nodes were involved only in 2 patients and fluorescent para-sentinel lymph nodes were not involved. When excluding fluorescent palpable sentinel lymph nodes and para-sentinel lymph nodes, the sampling rate of suspicious palpable nodes significantly decreased (15% vs. 5%, p < 0.01) and the involvement rate of palpable sentinel lymph nodes significantly increased (15% vs. 31%, p < 0.05). Axillary reverse mapping is helpful to avoid an unnecessary removal of palpable nodes without metastases.
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Affiliation(s)
- Masakuni Noguchi
- Department of Breast and Endocrine Surgery, Kanazawa Medical University Hospital, Kahoku, Japan
| | - Emi Morioka
- Department of Breast and Endocrine Surgery, Kanazawa Medical University Hospital, Kahoku, Japan
| | - Miki Noguchi
- Department of Breast and Endocrine Surgery, Kanazawa Medical University Hospital, Kahoku, Japan
| | - Masafumi Inokuchi
- Department of Breast and Endocrine Surgery, Kanazawa Medical University Hospital, Kahoku, Japan
| | - Nozomu Kurose
- Medical Laboratory, National Hospital Organization Kanazawa Medical Center, Kanazawa, Japan
| | - Akihiro Shioya
- Department of Clinical Pathology, Kanazawa Medical University Hospital, Kahoku, Japan
| | - Sousuke Yamada
- Department of Clinical Pathology, Kanazawa Medical University Hospital, Kahoku, Japan
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Zhou T, Cai W, Yang H, Zhang H, Hao M, Yuan L, Liu J, Zhang L, Yang Y, Liu X, Deng J, Zhao P, Yang G, Duan Y. Annexin V conjugated nanobubbles: A novel ultrasound contrast agent for in vivo assessment of the apoptotic response in cancer therapy. J Control Release 2018. [PMID: 29522835 DOI: 10.1016/j.jconrel.2018.03.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In vivo assessment of apoptotic response to cancer therapy is believed to be very important for optimizing management of treatment. However, few noninvasive strategies are currently available to monitor the therapeutic response in vivo. Ultrasonography has been used to detect apoptotic cell death in vivo, but a high-frequency transducer is needed. Fortunately, the capability of ultrasound contrast agents (UCAs) to exit the leaky vasculature of tumors enables ultrasound-targeted imaging of molecular events in response to cancer therapy. In this study, we prepared a novel nano-sized UCA, namely, Annexin V-conjugated nanobubbles (AV-NBs, 635.5 ± 25.4 nm). In vitro studies revealed that AV-NBs were relatively stable and highly echogenic. Moreover, these AV-NBs could easily extravasate into the tumor vasculature and recognize the apoptotic cells with high specificity and affinity in tumors sensitive to chemotherapy. Ultrasound imaging results demonstrated that AV-NBs had higher echogenicity and significantly greater enhancement compared with the untargeted control NBs (P < 0.01) inside the tumors after chemotherapy. Taken together, this study provides a promising method to accurately evaluate therapeutic effects at the molecular level to support cancer management.
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Affiliation(s)
- Tian Zhou
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China; Department of Ultrasound Diagnosis, General Hospital of the PLA Rocket Force, Beijing 100088, China
| | - Wenbin Cai
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Hengli Yang
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Huizhong Zhang
- Department of Medical Laboratory and Research Center, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Minghua Hao
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Lijun Yuan
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Jie Liu
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Li Zhang
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Yilin Yang
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Xi Liu
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Jianling Deng
- Department of Ultrasound Diagnosis, General Hospital of the PLA Rocket Force, Beijing 100088, China
| | - Ping Zhao
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China.
| | - Guodong Yang
- Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an 710032, China.
| | - Yunyou Duan
- Department of Ultrasound Diagnosis, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China.
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