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Towards Personalized Treatment and Molecular Research on Colorectal Cancer

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: closed (15 April 2024) | Viewed by 1112

Special Issue Editors


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Guest Editor
Unit of Biostatistics and Clinical Trials, IRCCS-Istituto Romagnolo per lo Studio dei Tumori "Dino Amadori"- IRST-Srl, Via P. Maroncelli 40, 47014 Meldola, Italy
Interests: biostatistics; clinical trials; observational study; tumor epidemiology; oncology; palliative care; biomarkers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Colorectal cancer (CRC) is the third most commonly diagnosed cancer in males and the second in females. The genome of colon cancer cells is altered at several sites as a result of point mutations or changes in chromosome integrity. The mutation-associated changes affect oncogenes, tumor suppressor genes, and several metastasis-related genes. Other factors including epigenetic alterations as well as the deregulation of miRNA-mediated control of mRNA functions, contribute to the incidence of cancer and metastasis.

Translational research has led to significant benefits in CRC screening and patient management, and precision medicine is fast becoming the aim of scientific research. Individualized treatment for CRC in both adjuvant and metastatic settings is increasingly emphasized. The introduction of molecular-targeted agents with anti-epidermal growth factor receptor (EGFR) or anti-angiogenic mechanisms of action has significantly improved patient outcome, but predictive markers of efficacy, especially for angiogenesis inhibition, are still lacking. Furthermore immunotherapy has recently been implemented into clinical practice.

A new approach to biomarker detection is the use of liquid biopsy. Free circulating tumor DNA (fctDNA) can be monitored quantitatively and qualitatively for diagnostic, prognostic, or predictive purposes. Liquid biopsy has the potential to replace tumor tissue analysis in clinical practice and could be used to monitor the extent of tumor burden and to detect tumor heterogeneity and molecular resistance to therapy.

Prof. Dr. Emanuela Scarpi
Dr. Paola Ulivi
Dr. Alessandro Passardi
Guest Editors

Manuscript Submission Information

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Keywords

  • adenoma-carcinoma sequence
  • predictive biomarkers of response and toxicity in the adjuvant and metastatic settings
  • genetic and epigenetic marker
  • immunotherapy
  • prognostic biomarkers
  • angiogenesis
  • EGFR pathways
  • tumor biopsies
  • circulating tumor cells
  • tumor heterogeneity
  • early diagnosis
  • screening
  • liquid biopsy
  • molecular pathology
  • tumor biology

Published Papers (1 paper)

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Research

15 pages, 7402 KiB  
Article
Simultaneous Expression of CD70 and POSTN in Cancer-Associated Fibroblasts Predicts Worse Survival of Colorectal Cancer Patients
by Masayuki Komura, Chengbo Wang, Sunao Ito, Shunsuke Kato, Akane Ueki, Masahide Ebi, Naotaka Ogasawara, Toyonori Tsuzuki, Kenji Kasai, Kunio Kasugai, Shuji Takiguchi, Satoru Takahashi and Shingo Inaguma
Int. J. Mol. Sci. 2024, 25(5), 2537; https://doi.org/10.3390/ijms25052537 - 22 Feb 2024
Viewed by 781
Abstract
Colorectal cancer (CRC) is one of the most common gastrointestinal cancers worldwide, with high morbidity and mortality rates. The evidence for the tumor-supporting capacities of cancer-associated fibroblasts (CAFs) that modulate cancer cell proliferation, invasion, metastasis, and tumor immunity, including in CRC, has been [...] Read more.
Colorectal cancer (CRC) is one of the most common gastrointestinal cancers worldwide, with high morbidity and mortality rates. The evidence for the tumor-supporting capacities of cancer-associated fibroblasts (CAFs) that modulate cancer cell proliferation, invasion, metastasis, and tumor immunity, including in CRC, has been attracting attention. The present study examined the expression status of CD70 and POSTN in CRC and analyzed their association with clinicopathological features and clinical outcomes. In the present study, in total 15% (40/269) and 44% (119/269) of cases exhibited CD70 and POSTN expression on CAFs, respectively. Co-expression of CD70 and POSTN was detected in 8% (21/269) of patients. Fluorescent immunohistochemistry identified the co-expression of CD70 and POSTN with FAP and PDPN, respectively. ACTA2 was not co-expressed with CD70 or POSTN in CRC CAFs. CRC with CD70+/POSTN+ status in CAFs was significantly associated with distant organ metastasis (p = 0.0020) or incomplete resection status (p = 0.0011). CD70+/POSTN+ status tended to associate with advanced pT stage (p = 0.032) or peritoneal metastasis (p = 0.0059). Multivariate Cox hazards regression analysis identified CD70+/POSTN+ status in CAFs [hazard ratio (HR) = 3.78] as a potential independent risk factor. In vitro experiments revealed the activated phenotypes of colonic fibroblasts induced by CD70 and POSTN, while migration and invasion assays identified enhanced migration and invasion of CRC cells co-cultured with CD70- and POSTN-expressing colonic fibroblasts. On the basis of our observations, CD70 and POSTN immunohistochemistry can be used in the prognostication of CRC patients. CRC CAFs may be a promising target in the treatment of CRC patients. Full article
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