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Cellular Mechanism and Immune Response of Colorectal Cancer

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Biology".

Deadline for manuscript submissions: closed (15 May 2023) | Viewed by 4760

Special Issue Editors


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Guest Editor
School of Nursing and Health Studies, Hong Kong Metropolitan University, Ho Man Tin, Kowloon, Hong Kong
Interests: translational research of pipeline compounds in cancer therapy; cancer cell biology; regenerative medicine
Department of Surgery, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
Interests: colorectal cancer; non-coding RNAs; biomarkers

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Guest Editor
Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
Interests: signaling pathways; solid tumors
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Special Issue Information

Dear Colleagues,

A Special Issue on the topic “Cellular Mechanism and Immune Response of Colorectal Cancer” is being prepared for the journal IJMS. Colorectal cancer (CRC) is one of the most common malignancies worldwide. The prognosis of colorectal cancer patients remains poor due to the development of tumor cell invasion and metastasis. During tumor development, cell-cell adhesion is the key factor in maintaining the primary tumor. The loss of cell-cell adhesion capacity allows malignant cells to dissociate from the primary tumor, migrate through the blood stream, and invade into the tissues of secondary locations, leading to the formation of metastatic tumors in distant organs. Growing evidence suggests that dysregulation of cell adhesion molecules (CAMs) and evasion of immune surveillance enhances the potential for metastatic spread of tumor cells. Expression of programmed cell death ligand-1 (PD-L1) employed by tumor cells promotes immune evasion through suppression of the T-cell immune function. Therefore, a better understanding of the functional and biochemical mechanisms involved in cell-cell adhesion defects and impaired immune anti-tumor activity is crucial for developing new treatment strategies and markers predictive of colorectal cancer metastasis.

In this Special Issue, I invite you to submit original manuscripts and reviews that focus on the molecular basis and advances of cell-cell adhesion and immune response in colorectal cancer progression and metastasis.

Dr. Ariel Ka Man Chow
Dr. Lui Ng
Dr. Rebecca Chin
Guest Editors

Manuscript Submission Information

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Keywords

  • cancer
  • metastasis
  • invasion
  • cell-cell adhesion
  • cell-matrix adhesion
  • cell adhesion molecules
  • immune evasion
  • immune response
  • immunosuppressive cells
  • programmed cell death ligand 1 (PD-L1)
  • programmed cell death protein 1 (PD1)
  • T cell

Published Papers (2 papers)

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Research

9 pages, 615 KiB  
Communication
Telomere Length as a New Risk Marker of Early-Onset Colorectal Cancer
by Abel Martel-Martel, Luis A. Corchete, Marc Martí, Rosario Vidal-Tocino, Elena Hurtado, Edurne Álvaro, Fernando Jiménez, Marta Jiménez-Toscano, Francesc Balaguer, Gonzalo Sanz, Irene López, Sergio Hernández-Villafranca, Araceli Ballestero, Alfredo Vivas, Sirio Melone, Carlos Pastor, Lorena Brandáriz, Manuel A. Gómez-Marcos, Juan J. Cruz-Hernández, José Perea and Rogelio González-Sarmientoadd Show full author list remove Hide full author list
Int. J. Mol. Sci. 2023, 24(4), 3526; https://doi.org/10.3390/ijms24043526 - 9 Feb 2023
Cited by 1 | Viewed by 2576
Abstract
Early-onset colorectal cancer (EOCRC; age younger than 50 years) incidence has been steadily increasing in recent decades worldwide. The need for new biomarkers for EOCRC prevention strategies is undeniable. In this study, we aimed to explore whether an aging factor, such as telomere [...] Read more.
Early-onset colorectal cancer (EOCRC; age younger than 50 years) incidence has been steadily increasing in recent decades worldwide. The need for new biomarkers for EOCRC prevention strategies is undeniable. In this study, we aimed to explore whether an aging factor, such as telomere length (TL), could be a useful tool in EOCRC screening. The absolute leukocyte TL from 87 microsatellite stable EOCRC patients and 109 healthy controls (HC) with the same range of age, was quantified by Real Time Quantitative PCR (RT-qPCR). Then, leukocyte whole-exome sequencing (WES) was performed to study the status of the genes involved in TL maintenance (hTERT, TERC, DKC1, TERF1, TERF2, TERF2IP, TINF2, ACD, and POT1) in 70 sporadic EOCRC cases from the original cohort. We observed that TL was significantly shorter in EOCRC patients than in healthy individuals (EOCRC mean: 122 kb vs. HC mean: 296 kb; p < 0.001), suggesting that telomeric shortening could be associated with EOCRC susceptibility. In addition, we found a significant association between several SNPs of hTERT (rs79662648), POT1 (rs76436625, rs10263573, rs3815221, rs7794637, rs7784168, rs4383910, and rs7782354), TERF2 (rs251796 and rs344152214), and TERF2IP (rs7205764) genes and the risk of developing EOCRC. We consider that the measurement of germline TL and the status analysis of telomere maintenance related genes polymorphisms at early ages could be non-invasive methods that could facilitate the early identification of individuals at risk of developing EOCRC. Full article
(This article belongs to the Special Issue Cellular Mechanism and Immune Response of Colorectal Cancer)
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13 pages, 2062 KiB  
Article
Deletion of TNF in Winnie-APCMin/+ Mice Reveals Its Dual Role in the Onset and Progression of Colitis-Associated Colorectal Cancer
by Giulio Verna, Marina Liso, Elisabetta Cavalcanti, Raffaele Armentano, Alessandro Miraglia, Vladia Monsurrò, Marcello Chieppa and Stefania De Santis
Int. J. Mol. Sci. 2022, 23(23), 15145; https://doi.org/10.3390/ijms232315145 - 2 Dec 2022
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Abstract
Colorectal cancer (CRC) is among the best examples for depicting the relationship between inflammation and cancer. The introduction of new therapeutics targeting inflammatory mediators showed a marked decrease in the overall risk of CRC, although their chemopreventive potential is still debated. Specifically, a [...] Read more.
Colorectal cancer (CRC) is among the best examples for depicting the relationship between inflammation and cancer. The introduction of new therapeutics targeting inflammatory mediators showed a marked decrease in the overall risk of CRC, although their chemopreventive potential is still debated. Specifically, a monoclonal antibody that blocks tumor necrosis factor (TNF), infliximab, increases CRC risk in inflammatory bowel disease patients. To address the axis between TNF and CRC development and progression, we depleted the Tnf from our previously established murine model of colitis-associated cancer (CAC), the Winnie-ApcMin/+ line. We characterized the new Winnie-APCMin/+-TNF-KO line through macroscopical and microscopical analyses. Surprisingly, the latter demonstrated that the deletion of Tnf in Winnie-ApcMin/+ mice resulted in an initial reduction in dysplastic lesion incidence in 5-week-old mice followed by a faster disease progression at 8 weeks. Histological data were confirmed by the molecular profiling obtained from both the real-time PCR analysis of the whole tissue and the RNA sequencing of the macrodissected tumoral lesions from Winnie-APCMin/+-TNF-KO distal colon at 8 weeks. Our results highlight that TNF could exert a dual role in CAC, supporting the promotion of neoplastic lesions onset in the early stage of the disease while inducing their reduction during disease progression. Full article
(This article belongs to the Special Issue Cellular Mechanism and Immune Response of Colorectal Cancer)
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