Identification of Pancreatic Metastasis Cells and Cell Spheroids by the Organelle‐Targeting Sensor Array

作者：Guoyang Zhang, Zirui Wang, Zirui Wang, Lijun Ma, Jiguang Li, Jiahao Han, Mingguang Zhu, Zixuan Zhang, Shilong Zhang, Xin Zhang, Zhuo Wang, Zhuo Wang · 发表于：Advanced Healthcare Materials · 年份：2024 · DOI：10.1002/adhm.202400241 · 被引用次数：10 · 研究领域：Advanced biosensing and bioanalysis techniques、Nanoplatforms for cancer theranostics、Molecular Sensors and Ion Detection

Pancreatic cancer is a highly malignant and metastatic cancer. Pancreatic cancer can lead to liver metastases, gallbladder metastases, and duodenum metastases. The identification of pancreatic cancer cells is essential for the diagnosis of metastatic cancer and exploration of carcinoma in situ. Organelles play an important role in maintaining the function of cells, the various cells show significant differences in organelle microenvironment. Herein, six probes are synthesized for targeting mitochondria, lysosomes, cell membranes, endoplasmic reticulum, Golgi apparatus, and lipid droplets. The six fluorescent probes form an organelles-targeted sensor array (OT-SA) to image pancreatic metastatic cancer cells and cell spheroids. The homology of metastatic cancer cells brings the challenge for identification of these cells. The residual network (ResNet) model has been proven to automatically extract and select image features, which can figure out a subtle difference among similar samples. Hence, OT-SA is developed to identify pancreatic metastasis cells and cell spheroids in combination with ResNet analysis. The identification accuracy for the pancreatic metastasis cells (> 99%) and pancreatic metastasis cell spheroids (> 99%) in the test set is successfully achieved respectively. The organelles-targeting sensor array provides a method for the identification of pancreatic cancer metastasis in cells and cell spheroids.