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Endometrial Cancer Patient-Derived Xenograft Models: A Systematic Review

期刊

JOURNAL OF CLINICAL MEDICINE
卷 11, 期 9, 页码 -

出版社

MDPI
DOI: 10.3390/jcm11092606

关键词

endometrial cancer; patient-derived xenograft; PDX

资金

  1. JSPS KAKENHI [19K09838]
  2. Grants-in-Aid for Scientific Research [19K09838] Funding Source: KAKEN

向作者/读者索取更多资源

This review identified and verified articles on endometrial cancer patient-derived xenografts (EC-PDXs). The results showed that EC-PDXs are promising tools for translational research as they closely resemble the features of tumors in patients and retain molecular and histological features of the disease.
Background: Because patient-derived xenograft (PDX) models resemble the original tumors, they can be used as platforms to find target agents for precision medicine and to study characteristics of tumor biology such as clonal evolution and microenvironment interactions. The aim of this review was to identify articles on endometrial cancer PDXs (EC-PDXs) and verify the methodology and outcomes. Methods: We used PubMed to research and identify articles on EC-PDX. The data were analyzed descriptively. Results: Post literature review, eight studies were selected for the systematic review. Eighty-five EC-PDXs were established from 173 patients with EC, with a total success rate of 49.1%. A 1-10 mm(3) fragment was usually implanted. Fresh-fragment implantation had higher success rates than using overnight-stored or frozen fragments. Primary tumors were successfully established with subcutaneous implantation, but metastasis rarely occurred; orthotopic implantation via minced tumor cell injection was better for metastatic models. The success rate did not correspond to immunodeficiency grades, and PDXs using nude mice reduced costs. The tumor growth period ranged from 2 weeks to 13 months. Similar characteristics were observed between primary tumors and PDXs, including pathological findings, gene mutations, and gene expression. Conclusion: EC-PDXs are promising tools for translational research because they closely resemble the features of tumors in patients and retain molecular and histological features of the disease.

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