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Mahdi C, Wulandari M, Prisusanti RD. Response to "Lncrna GAS5 Modulates the Progression of Glioma Through Repressing miR-135b-5p and Upregulating APC" [Letter]. Biologics 2024; 18:143-144. [PMID: 38855353 PMCID: PMC11162621 DOI: 10.2147/btt.s479606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Accepted: 05/30/2024] [Indexed: 06/11/2024]
Affiliation(s)
- Chanif Mahdi
- Medical Record and Health Information Department, ITSK RS DR Soepraoen Malang, Kota Malang, Jawa Timur, Indonesia
| | - Mayang Wulandari
- Medical Record and Health Information Department, ITSK RS DR Soepraoen Malang, Kota Malang, Jawa Timur, Indonesia
| | - Retno Dewi Prisusanti
- Medical Record and Health Information Department, ITSK RS DR Soepraoen Malang, Kota Malang, Jawa Timur, Indonesia
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Negro S, Bao QR, Scarpa M, Scognamiglio F, Pucciarelli S, Remo A, Agostini M, D'Angelo E, Mammi I, Schiavi F, Rossi S, Zingone F, Ferrara F, Fantin A, Cristofori C, Guido E, Rizzotto ER, Intini R, Bergamo F, Fassan M, Salviati L, Urso EDL. Multiple colorectal adenomas syndrome: The role of MUTYH mutation and the polyps' number in clinical management and colorectal cancer risk. Dig Liver Dis 2024; 56:1087-1094. [PMID: 38071180 DOI: 10.1016/j.dld.2023.11.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 11/03/2023] [Accepted: 11/22/2023] [Indexed: 05/28/2024]
Abstract
BACKGROUND & AIMS Multiple colorectal adenomas (MCRAs) can result from APC (AFAP) or biallelic MUTYH (MAP) mutations, but most patients are wild type and referred to as non-APC/MUTYH polyposis (NAMP). We aim to examine the risk of colorectal cancer (CRC) and the role of endoscopy in managing patients with MCRAs, with a specific focus on clinical features and genotype. METHODS Records of MRCAs between 2000 and 2022 were retrospectively analysed. Patients were divided according to the genotype (MAP vs. NAMP) and the number of categorised polyps' burden (group 1: 10-24, group 2: 25-49, and group 3: 50-99 adenomas). Predictors of outcome were CRC-free survival (CRC-FS) and Surgery free-survival (S-FS). RESULTS 220 patients were enrolled (NAMP n = 178(80.0%)). CRC at diagnosis was more frequent in group 3 (p = 0.01), without significant differences between the genotypes (p = 0.20). At a follow-up of 83(41-164) months, 15(7%) patients developed CRC during surveillance. CRC-FS was not correlated to genotype (p = 0.07) or polyps' number (p = 0.33), while S-FS was similar in MAP and NAMP (p = 0.22) and lower in groups 2 and 3 (p = 0.0001). CONCLUSIONS MAP and NAMP have the same CRC risk and no difference in treatment. Endoscopic surveillance compared favorably with surgery in avoiding CRC risk, even in patients with more severe colorectal polyposis.
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Affiliation(s)
- Silvia Negro
- General Surgery 3, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy
| | - Quoc Riccardo Bao
- General Surgery 3, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy.
| | - Marco Scarpa
- General Surgery 3, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy
| | - Federico Scognamiglio
- General Surgery 3, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy
| | - Salvatore Pucciarelli
- General Surgery 3, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy
| | - Andrea Remo
- Department of Pathology, ULSS 9 "Scaligera", Verona, Italy
| | - Marco Agostini
- General Surgery 3, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy
| | - Edoardo D'Angelo
- General Surgery 3, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy
| | - Isabella Mammi
- Familial Cancer Clinic and Oncoendocrinology, Veneto Institute of Oncology, IOV-IRCCS, Padua, Italy
| | - Francesca Schiavi
- Familial Cancer Clinic and Oncoendocrinology, Veneto Institute of Oncology, IOV-IRCCS, Padua, Italy
| | - Silvia Rossi
- Familial Cancer Clinic and Oncoendocrinology, Veneto Institute of Oncology, IOV-IRCCS, Padua, Italy
| | - Fabiana Zingone
- Gastroenterology Unit, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy
| | - Francesco Ferrara
- Gastroenterology Unit, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy
| | - Alberto Fantin
- Gastroenterology Unit, Veneto Institute of Oncology, IOV-IRCCS, Padua, Italy
| | - Chiara Cristofori
- Gastroenterology Unit, Veneto Institute of Oncology, IOV-IRCCS, Padua, Italy
| | - Ennio Guido
- Gastroenterology Unit, Azienda Ospedaliera Università di Padova, University of Padova, Padua, Italy
| | - Erik Rosa Rizzotto
- Gastroenterology Unit, Azienda Ospedaliera Università di Padova, University of Padova, Padua, Italy
| | - Rossana Intini
- Oncology 1, Veneto Institute of Oncology, IOV-IRCCS, Padua, Italy
| | | | - Matteo Fassan
- Surgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padova, Padua, Italy
| | - Leonardo Salviati
- Clinical Genetics Unit, Department of Woman and Child Health, University of Padova, Padua, Italy
| | - Emanuele D L Urso
- General Surgery 3, Department of Surgical, Oncological, and Gastroenterological Sciences, University of Padova, Padua, Italy
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Zhang J, You Q, Wang Y, Ji J. LncRNA GAS5 Modulates the Progression of Glioma Through Repressing miR-135b-5p and Upregulating APC. Biologics 2024; 18:129-142. [PMID: 38817552 PMCID: PMC11137960 DOI: 10.2147/btt.s454058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 04/23/2024] [Indexed: 06/01/2024]
Abstract
Purpose The main purpose of this paper is to explore the interaction between GAS5 and miR-135b-5p to understand their function in the metastasis, invasion, and proliferation of glioma. This may provide new ideas for the pathogenesis and treatment of glioma. Patients and Methods Western blotting assays and RT‑qPCR were employed to investigate the expression of related genes in glioma tissues or cell lines. CCK-8 was used to examine the impact of GAS5 on cell viability. Motile activities were adopted by the transwell and wound healing experiments. A double luciferase experiment was performed to elucidate transcriptional regulation. Results GAS5 showed low expression in glioma cells and tissues, and up-regulation of GAS5 could depress the invasion, proliferation, and metastasis of glioma. GAS5 negatively regulates miR-135b-5p, which can counteract the cellular effects caused by GAS5. APC was the target of miR-135b-5p, and GAS5 can regulate the expression of APC by sponging miR-135b-5p. APC overexpression reversed the effects of miR-135b-5p promotion on glioma cells, while miR-135b-5p has the opposite function. As a downstream target gene of GAS5, miR-135b-5p was negatively regulated by GAS5. The restoration of miR-135b-5p can remarkably reverse the impact of GAS5 on glioma cells. In addition, GAS5 increased the expression of APC in glioma cells by inhibiting miR-135b-5p. Conclusion GAS5 increased APC expression by restraining miR-135b-5p and partially blocked the progression of glioma, suggesting that it could be an advantageous therapeutic target for glioma intervention.
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Affiliation(s)
- Jidong Zhang
- Center for Neurological Diseases, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, People’s Republic of China
| | - Qiuxiang You
- Center for Neurological Diseases, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, People’s Republic of China
| | - Yutao Wang
- Center for Neurological Diseases, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, People’s Republic of China
| | - Jianwen Ji
- Center for Neurological Diseases, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, People’s Republic of China
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Karstensen JG, Wullum L, Andersen KK, Beck SH, Bülow S, Højen H, Jelsig AM, Jespersen N, Wewer MD, Pommergaard HC, Burisch J. Psychiatric and Educational Aspects of Familial Adenomatous Polyposis: A Nationwide Danish Cohort Study With Matched Nonexposed Individuals. Am J Gastroenterol 2024; 119:957-964. [PMID: 38032076 DOI: 10.14309/ajg.0000000000002612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 11/27/2023] [Indexed: 12/01/2023]
Abstract
INTRODUCTION Familial adenomatous polyposis (FAP) is an autosomal, dominantly inherited disorder that predisposes to colorectal cancer. An increased risk of cancer may affect mental health, but the magnitude of this effect remains unknown. We assessed the psychosocial functioning, including the educational level attained and risk of psychiatric comorbidity, of patients with FAP by comparing them with matched nonexposed individuals. METHODS All Danish patients with FAP diagnosed before April 2021 were identified in the Danish Polyposis Register and paired with 4 matched nonexposed individuals. Educational history, psychiatric contacts or diagnoses ( International Classification of Disease, 10th Revision ), and treatment with antidepressants, anxiolytics, or antipsychotics were compared between patients with FAP and nonexposed individuals. RESULTS The analysis included 445 patients with FAP and 1,538 nonexposed individuals. The highest educational level reached was significantly lower for patients with FAP ( P < 0.001). When comparing patients with FAP and nonexposed and adjusting for a cancer diagnosis, an increased risk was observed for a psychiatric contact (1.69, 95% confidence interval [CI] 1.25-2.29, P < 0.001), any psychiatric prescription (1.39, 95% CI 1.17-1.66, P < 0.001), a psychiatric diagnosis (1.64, 95% CI 1.19-2.26, P = 0.002), and experiencing any psychiatric event (hazard ratio 1.42, 95% CI 1.20-1.68, P < 0.001). An increased risk was specifically seen for mood (affective) disorders (1.76, 95% CI 1.09-2.83, P = 0.02) and behavioral and emotional disorders (2.01, 95% CI 1.10-3.69, P = 0.02) and the need for antidepressants (1.59, 95% CI 1.24-2.03, P < 0.001) and antipsychotics (1.85, 95% CI 1.26-2.70, P = 0.002). DISCUSSION Compared with nonexposed individuals, patients with had significantly less education and an increased risk of developing mood and behavioral disorders, with an increased likelihood of needing antidepressants and antipsychotics.
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Affiliation(s)
- John Gásdal Karstensen
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | | | | | - Søren Hammershøj Beck
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
| | - Steffen Bülow
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
| | - Helle Højen
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
| | - Anne Marie Jelsig
- Department of Clinical Genetics, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Niels Jespersen
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
| | - Mads Damsgaard Wewer
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
- Gastrounit, Medical Division, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
| | - Hans Christian Pommergaard
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Department of Surgery and Transplantation, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Johan Burisch
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
- Gastrounit, Medical Division, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
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Owosho AA, Aguirre SE, Dayo AF, Omolehinwa TT, Shintaku WH. Radiographic Orofacial Findings of Systemic Diseases. Dent Clin North Am 2024; 68:409-427. [PMID: 38417998 DOI: 10.1016/j.cden.2023.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2024]
Abstract
This article discusses the orofacial clinicoradiographic features of systemic diseases that manifest in the orofacial region. The systemic diseases discussed are grouped into the following: autoimmune diseases, endocrine diseases, bone diseases, hematologic diseases, syndromes, and malignancies. The radiographic manifestation ranges from radiolucent bony destruction, increased bone density, calcification, thinning of cortical plate, loss of trabeculation, missing teeth, and supernumerary teeth. It is imperative for clinicians to be cognizant of these findings, as they may be the first manifestation of these systemic diseases.
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Affiliation(s)
- Adepitan A Owosho
- Department of Diagnostic Sciences, College of Dentistry, The University of Tennessee Health Science Center, Memphis, TN, USA.
| | - Sarah E Aguirre
- Department of Diagnostic Sciences, College of Dentistry, The University of Tennessee Health Science Center, Memphis, TN, USA
| | - Adeyinka F Dayo
- Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, PA, USA
| | - Temitope T Omolehinwa
- Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, PA, USA
| | - Werner H Shintaku
- Department of Diagnostic Sciences, College of Dentistry, The University of Tennessee Health Science Center, Memphis, TN, USA
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Tape CJ. Plastic persisters: revival stem cells in colorectal cancer. Trends Cancer 2024; 10:185-195. [PMID: 38071119 DOI: 10.1016/j.trecan.2023.11.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/03/2023] [Accepted: 11/07/2023] [Indexed: 03/16/2024]
Abstract
Colorectal cancer (CRC) is traditionally considered to be a genetically driven disease. However, nongenetic plasticity has recently emerged as a major driver of tumour initiation, metastasis, and therapy response in CRC. Central to these processes is a recently discovered cell type, the revival colonic stem cell (revCSC). In contrast to traditional proliferative CSCs (proCSCs), revCSCs prioritise survival over propagation. revCSCs play an essential role in primary tumour formation, metastatic dissemination, and nongenetic chemoresistance. Current evidence suggests that CRC tumours leverage intestinal stem cell plasticity to both proliferate (via proCSCs) when unchallenged and survive (via revCSCs) in response to cell-extrinsic pressures. Although revCSCs likely represent a major source of therapeutic failure in CRC, our increasing knowledge of this important stem cell fate provides novel opportunities for therapeutic intervention.
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Affiliation(s)
- Christopher J Tape
- Cell Communication Lab, Department of Oncology, University College London Cancer Institute, 72 Huntley Street, London, WC1E 6DD, UK.
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Zeng M, Yao X, Pan Y, Gu H, Xiong F, Yin X, Wu B, Chen T. A novel APC mutation associated with Gardner syndrome in a Chinese family. Gene 2024; 896:148051. [PMID: 38043837 DOI: 10.1016/j.gene.2023.148051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/19/2023] [Accepted: 11/29/2023] [Indexed: 12/05/2023]
Abstract
Gardner syndrome (GS) is a specific form of familial adenomatous polyposis (FAP), which manifests as colorectal polyps, multiple osteomas and soft tissue tumors, and in the oral cavity as osteomas of the jaws, odontomas, and abnormal tooth counts. The underlying cause of GS is attributed to mutations in the APC gene. Mutations in this gene disrupt the normal functioning of the protein and lead to the development of GS. To further investigate GS, a family affected by the syndrome was selected from Dongguan, Guangdong Province. The family members underwent a comprehensive survey, which involved collecting clinical data and peripheral venous blood samples. The samples were then used for genetic analysis. Whole exome sequencing (WES) and Sanger sequencing techniques were utilized to screen and identify specific mutation sites in the APC gene. The clinical findings for the GS family included the presence of gastrointestinal polyps and odontomas. After analyzing the genetic sequencing results, a novel mutation site c.4266dupA on the APC gene was found in the patients, which leading to the APC protein truncation. As a result of this study, it is suggested that odontoma may be an early indicator of GS. Additionally, the identification of this novel mutation site in the APC gene expands the known spectrum of genetic mutations associated with the disease. This discovery has significant implications for the early diagnosis of GS, thus enabling timely intervention to reduce the risk of developing colon cancer and other related diseases.
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Affiliation(s)
- Ming Zeng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; School of Stomatology, Southern Medical University, Guangzhou 510515, China
| | - Xinchen Yao
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; School of Stomatology, Southern Medical University, Guangzhou 510515, China
| | - Yuhua Pan
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Hongxiang Gu
- Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastro Enterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Fu Xiong
- Department of Medical Genetics, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Single Cell Technology and Application, Guangzhou, Guangdong, China; Department of Fetal Medicine and Prenatal Diagnosis, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xuemin Yin
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
| | - Buling Wu
- Shenzhen Stomatological Hospital (Pingshan), Southern Medical University, Shenzhen 518118, China.
| | - Ting Chen
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
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Trembath HE, Yeh JJ, Lopez NE. Gastrointestinal Malignancy: Genetic Implications to Clinical Applications. Cancer Treat Res 2024; 192:305-418. [PMID: 39212927 DOI: 10.1007/978-3-031-61238-1_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Advances in molecular genetics have revolutionized our understanding of the pathogenesis, progression, and therapeutic options for treating gastrointestinal (GI) cancers. This chapter provides a comprehensive overview of the molecular landscape of GI cancers, focusing on key genetic alterations implicated in tumorigenesis across various anatomical sites including GIST, colon and rectum, and pancreas. Emphasis is placed on critical oncogenic pathways, such as mutations in tumor suppressor genes, oncogenes, chromosomal instability, microsatellite instability, and epigenetic modifications. The role of molecular biomarkers in predicting prognosis, guiding treatment decisions, and monitoring therapeutic response is discussed, highlighting the integration of genomic profiling into clinical practice. Finally, we address the evolving landscape of precision oncology in GI cancers, considering targeted therapies and immunotherapies.
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Affiliation(s)
- Hannah E Trembath
- Division of Colon and Rectal Surgery, Department of Surgery, University of California San Diego, 4303 La Jolla Village Drive Suite 2110, San Diego, CA, 92122, USA
- Division of Surgical Oncology, Department of Surgery, University of North Carolina, 170 Manning Drive, CB#7213, 1150 Physician's Office Building, Chapel Hill, NC, 27599-7213, USA
| | - Jen Jen Yeh
- Division of Colon and Rectal Surgery, Department of Surgery, University of California San Diego, 4303 La Jolla Village Drive Suite 2110, San Diego, CA, 92122, USA
- Division of Surgical Oncology, Department of Surgery, University of North Carolina, 170 Manning Drive, CB#7213, 1150 Physician's Office Building, Chapel Hill, NC, 27599-7213, USA
| | - Nicole E Lopez
- Division of Colon and Rectal Surgery, Department of Surgery, University of California San Diego, 4303 La Jolla Village Drive Suite 2110, San Diego, CA, 92122, USA.
- Division of Surgical Oncology, Department of Surgery, University of North Carolina, 170 Manning Drive, CB#7213, 1150 Physician's Office Building, Chapel Hill, NC, 27599-7213, USA.
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Remo A, Negro S, Bao RQ, d’Angelo E, Alaggio R, Crivellari G, Mammi I, Intini R, Bergamo F, Fassan M, Agostini M, Vitellaro M, Pucciarelli S, Urso EDL. Association between Pancreatoblastoma and Familial Adenomatous Polyposis: Review of the Literature with an Additional Case. Genes (Basel) 2023; 15:44. [PMID: 38254934 PMCID: PMC10815143 DOI: 10.3390/genes15010044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 12/24/2023] [Accepted: 12/26/2023] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND Adult pancreatoblastoma (PBL) is a rare pancreatic malignancy, with recent evidence suggesting a possible link to familial adenomatous polyposis (FAP). This study aims to review the latest evidence and explore a possible association between adult PBL and FAP. METHODS Two independent literature reviews were conducted: (1) on PBL and FAP, and (2) on PBL in the adult population not diagnosed with FAP. RESULTS Out of 26 articles on PBL and FAP screened, 5 were selected for systematic review, including 1 additional case. We identified eight FAP-related PBL cases, with a median age of 40 (IQR: 34-50). Of these, seven (87%) occurred in adults. We found 65 cases of adult PBL not FAP-related; thus, 7 out of 65 cases (10.7%) of adult PBL reported in the literature are associated with a clinical diagnosis of FAP or were carriers of APC germline pathogenic variants (GPVs). CONCLUSION Data suggest a non-random association between adult PBL and FAP. Further research is essential to optimise surveillance protocols and develop more effective treatment strategies.
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Affiliation(s)
- Andrea Remo
- Pathology Unit, ULSS9 “Scaligera”, 37122 Verona, Italy;
| | - Silvia Negro
- General Surgery 3, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, 35121 Padua, Italy; (R.Q.B.); (M.A.); (S.P.); (E.D.L.U.)
| | - Riccardo Quoc Bao
- General Surgery 3, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, 35121 Padua, Italy; (R.Q.B.); (M.A.); (S.P.); (E.D.L.U.)
| | - Edoardo d’Angelo
- General Surgery 3, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, 35121 Padua, Italy; (R.Q.B.); (M.A.); (S.P.); (E.D.L.U.)
| | - Rita Alaggio
- Pathology Department, Ospedale Pediatrico Bambino Gesù, IRCCS, 00165 Roma, Italy
| | - Gino Crivellari
- Familial Cancer Clinic and Oncoendocrinology, Veneto Institute of Oncology, IOV-IRCCS, 35121 Padua, Italy; (G.C.); (I.M.)
| | - Isabella Mammi
- Familial Cancer Clinic and Oncoendocrinology, Veneto Institute of Oncology, IOV-IRCCS, 35121 Padua, Italy; (G.C.); (I.M.)
| | - Rossana Intini
- Oncology 1, Veneto Institute of Oncology, IOV-IRCCS, 35121 Padua, Italy; (R.I.); (F.B.)
| | - Francesca Bergamo
- Oncology 1, Veneto Institute of Oncology, IOV-IRCCS, 35121 Padua, Italy; (R.I.); (F.B.)
| | - Matteo Fassan
- Department of Medicine-DIMED, University of Padova, 35121 Padua, Italy;
| | - Marco Agostini
- General Surgery 3, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, 35121 Padua, Italy; (R.Q.B.); (M.A.); (S.P.); (E.D.L.U.)
| | - Marco Vitellaro
- Unit of Hereditary Digestive Tract Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, 20133 Milan, Italy;
| | - Salvatore Pucciarelli
- General Surgery 3, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, 35121 Padua, Italy; (R.Q.B.); (M.A.); (S.P.); (E.D.L.U.)
| | - Emanuele Damiano Luca Urso
- General Surgery 3, Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, 35121 Padua, Italy; (R.Q.B.); (M.A.); (S.P.); (E.D.L.U.)
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10
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Hadji M, Marzban M, Rashidian H, Naghibzadeh-Tahami A, Gholipour M, Mohebbi E, Safari-Faramani R, Seyyedsalehi MS, Hosseini B, Alizadeh-Navaei R, Rezaianzadeh A, Moradi A, ShahidSales S, Najafi F, Moazed V, Haghdoost AA, Rahimi-Movaghar A, Etemadi A, Malekzadeh R, Boffetta P, Weiderpass E, Kamangar F, Zendehdel K, Pukkala E. Opium use and risk of colorectal cancer: a multi-center case-referent study in Iran. Acta Oncol 2023; 62:1661-1668. [PMID: 37934078 DOI: 10.1080/0284186x.2023.2276326] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 10/23/2023] [Indexed: 11/08/2023]
Abstract
BACKGROUND Opium use has been associated with an increased risk of cancers of the lung, oesophagus, and pancreas, and it was recently classified by the International Agency for Cancer Research as carcinogenic to humans. It is not clear whether opium also increases the risk of colorectal cancer (CRC). The aim of our study was to assess the association between various metrics of opium use and the risk of CRC. METHODS This case-referent study from seven provinces in Iran comprised 848 CRC cases and 3215 referents. Data on opium use (duration, amount, frequency) and potential confounders were collected by trained interviewers. Multivariable unconditional logistic regression models were used to measure odds ratios (OR) adjusted for age, gender, province, marital status, family history of CRC-linked cancers, consumption of red meat, fruits and vegetables, body shape, occupational physical activity, and socioeconomic status. RESULTS Regular opium consumption was not associated with the risk of CRC (OR 0.9, 95% confidence interval, CI: 0.7, 1.2) compared to subjects who never used opium. However, frequent opium use more than twice a day was associated with an increased risk of CRC compared to non-users of opium (OR: 2.0, 95% CI: 1.1, 3.8; p for quadratic trend 0.008). CONCLUSION There seems to be no overall association between opium use and CRC, but the risk of CRC might be increased among persons who use opium many times a day.
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Affiliation(s)
- Maryam Hadji
- Health Sciences Unit, Faculty of Social Sciences, Tampere University, Tampere, Finland
- Cancer Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Marzban
- Department of Public Health, School of Public Health, Bushehr University of Medical Science, Bushehr, Iran
- Clinical Research Development Center, The Persian Gulf Martyrs, Bushehr University of Medical Science, Bushehr, Iran
| | - Hamideh Rashidian
- Cancer Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Naghibzadeh-Tahami
- Modeling in Health Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
- Regional Knowledge HUB for HIV/AIDS Surveillance, Research Centre for Modelling in Health, Institute for Future Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Mahin Gholipour
- Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Elham Mohebbi
- Cancer Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Roya Safari-Faramani
- Research Center for Environmental Determinants of Health, School of Public Health, Kermanshah Medical Sciences University, Kermanshah, Iran
| | | | - Bayan Hosseini
- Cancer Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
- International Agency for Research on Cancer, Lyon, France
| | - Reza Alizadeh-Navaei
- Gastrointestinal Cancer Research Center, Non-Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
| | - Abbas Rezaianzadeh
- Colorectal Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Abdolvahab Moradi
- Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | | | - Farid Najafi
- International Agency for Research on Cancer, Lyon, France
- Research Center for Environmental Determinants of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Vahid Moazed
- Endocrinology and Metabolism Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Ali Akbar Haghdoost
- Regional Knowledge HUB for HIV/AIDS Surveillance, Research Centre for Modelling in Health, Institute for Future Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
- HIV/STI Surveillance Research Center, and WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Afarin Rahimi-Movaghar
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | - Arash Etemadi
- Digestive Oncology Research Center, Digestive Diseases Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Reza Malekzadeh
- Digestive Oncology Research Center, Digestive Diseases Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Liver and Pancreatobiliary Diseases Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Paolo Boffetta
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | | | - Farin Kamangar
- Department of Biology, School of Computer, Mathematical, and Natural Sciences, Morgan State University, Baltimore, MD, USA
| | - Kazem Zendehdel
- Cancer Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
- Cancer Biology Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Eero Pukkala
- Health Sciences Unit, Faculty of Social Sciences, Tampere University, Tampere, Finland
- Finnish Cancer Registry - Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland
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11
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Xu Y, Liu K, Li C, Li M, Liu F, Zhou X, Sun M, Ranganathan M, Zhang L, Wang S, Hu X, Xu Y. The Largest Chinese Cohort Study Indicates Homologous Recombination Pathway Gene Mutations as Another Major Genetic Risk Factor for Colorectal Cancer with Heterogeneous Clinical Phenotypes. RESEARCH (WASHINGTON, D.C.) 2023; 6:0249. [PMID: 37854294 PMCID: PMC10581333 DOI: 10.34133/research.0249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 09/25/2023] [Indexed: 10/20/2023]
Abstract
While genetic factors were associated with over 30% of colorectal cancer (CRC) patients, mutations in CRC-susceptibility genes were identified in only 5% to 10% of these patients. Besides, previous studies on hereditary CRC were largely designed to analyze germline mutations in patients with single genetic high-risk factor, which limited understanding of the association between genotype and phenotypes. From January 2015 to December 2018, we retrospectively enrolled 2,181 patients from 8,270 consecutive CRC cases, covering 5 categories of genetic high-risk factors. Leukocyte genomic DNA was analyzed for germline mutations in cancer predisposition genes. The germline mutations under each category were detected and analyzed in association with CRC susceptibility, clinical phenotypes, and prognoses. A total of 462 pathogenic variants were detected in 19.3% of enrolled CRC patients. Mismatch repair gene mutation was identified in 9.1% of patients, most prevalent across all high-risk groups. Homologous recombination (HR) gene mutations were detected in 6.5% of cases, penetrated in early-onset and extra-colonic cancer risk groups. Mutations in HR genes, including BARD1, RAD50, and ATM, were found to increase CRC risk with odds ratios of 2.8-, 3.1-, and 3.1-fold, respectively. CRC patients with distinct germline mutations manifested heterogeneous phenotypes in clinicopathology and long-term prognoses. Thus, germline mutation screenings should be performed for CRC patients with any of those genetic risk factors. This study also reveals that HR gene mutations may be another major driver for increased CRC risk.
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Affiliation(s)
- Yun Xu
- Department of Colorectal Surgery,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
| | - Kai Liu
- Department of Colorectal Surgery,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
| | - Cong Li
- Department of Colorectal Surgery,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
| | - Minghan Li
- Department of Colorectal Surgery,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
| | - Fangqi Liu
- Department of Colorectal Surgery,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
| | - Xiaoyan Zhou
- Department of Pathology,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
| | - Menghong Sun
- Department of Pathology, Tissue Bank,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
| | - Megha Ranganathan
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Liying Zhang
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine,
University of California, Los Angeles, CA, USA
| | - Sheng Wang
- Department of Colorectal Surgery,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
| | - Xin Hu
- Precision Cancer Medical Center,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
| | - Ye Xu
- Department of Colorectal Surgery,
Fudan University Shanghai Cancer Center, Shanghai, P.R. China
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12
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Peng H, Ying J, Zang J, Lu H, Zhao X, Yang P, Wang X, Li J, Gong Z, Zhang D, Wang Z. Specific Mutations in APC, with Prognostic Implications in Metastatic Colorectal Cancer. Cancer Res Treat 2023; 55:1270-1280. [PMID: 37114476 PMCID: PMC10582542 DOI: 10.4143/crt.2023.415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
PURPOSE Loss-of-function mutations in the adenomatous polyposis coli (APC) gene are common in metastatic colorectal cancer (mCRC). However, the characteristic of APC specific mutations in mCRC is poorly understood. Here, we explored the clinical and molecular characteristics of N-terminal and C-terminal side APC mutations in Chinese patients with mCRC. MATERIALS AND METHODS Hybrid capture-based next-generation sequencing was performed on tumor tissues from 275 mCRC pati-ents to detect mutations in 639 tumor-associated genes. The prognostic value and gene-pathway difference between APC specific mutations in mCRC patients were analyzed. RESULTS APC mutations were highly clustered, accounting for 73% of all mCRC patients, and most of them were truncating mutations. The tumor mutation burden of the N-terminal side APC mutations group (n=76) was significantly lower than that of the C-terminal side group (n=123) (p < 0.001), further confirmed by the public database. Survival analysis showed that mCRC patients with N-terminus side APC mutations had longer overall survival than C-terminus side. Tumor gene pathway analysis showed that gene mutations in the RTK/RAS, Wnt and transforming growth factor β signaling pathways of the C-terminal group were significantly higher than those of the N-terminal group (p < 0.05). Additionally, KRAS, AMER1, TGFBR2, and ARID1A driver mutations were more common in patients with C-terminal side APC mutations. CONCLUSION APC specific mutations have potential function as mCRC prognostic biomarkers. There are obvious differences in the gene mutation patterns between the C-terminus and N-terminus APC mutations group, which may have certain guiding significance for the subsequent precise treatment of mCRC.
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Affiliation(s)
- Huan Peng
- Division of Colorectal Surgery, Department of Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai,
China
| | - Jun Ying
- Division of Colorectal Surgery, Department of Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai,
China
| | - Jia Zang
- Division of Colorectal Surgery, Department of Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai,
China
| | - Hao Lu
- Division of Colorectal Surgery, Department of Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai,
China
| | - Xiaokai Zhao
- Jiaxing Key Laboratory of Precision Medicine and Companion Diagnostics, Jiaxing Yunying Medical Inspection Co., Ltd., Jiaxing,
China
- Department of R&D, Zhejiang Yunying Medical Technology Co., Ltd., Jiaxing,
China
| | - Pengmin Yang
- Jiaxing Key Laboratory of Precision Medicine and Companion Diagnostics, Jiaxing Yunying Medical Inspection Co., Ltd., Jiaxing,
China
- Department of R&D, Zhejiang Yunying Medical Technology Co., Ltd., Jiaxing,
China
| | - Xintao Wang
- Jiaxing Key Laboratory of Precision Medicine and Companion Diagnostics, Jiaxing Yunying Medical Inspection Co., Ltd., Jiaxing,
China
- Department of R&D, Zhejiang Yunying Medical Technology Co., Ltd., Jiaxing,
China
| | - Jieyi Li
- Jiaxing Key Laboratory of Precision Medicine and Companion Diagnostics, Jiaxing Yunying Medical Inspection Co., Ltd., Jiaxing,
China
- Department of R&D, Zhejiang Yunying Medical Technology Co., Ltd., Jiaxing,
China
| | - Ziying Gong
- Jiaxing Key Laboratory of Precision Medicine and Companion Diagnostics, Jiaxing Yunying Medical Inspection Co., Ltd., Jiaxing,
China
- Department of R&D, Zhejiang Yunying Medical Technology Co., Ltd., Jiaxing,
China
| | - Daoyun Zhang
- Jiaxing Key Laboratory of Precision Medicine and Companion Diagnostics, Jiaxing Yunying Medical Inspection Co., Ltd., Jiaxing,
China
- Department of R&D, Zhejiang Yunying Medical Technology Co., Ltd., Jiaxing,
China
| | - Zhiguo Wang
- Division of Colorectal Surgery, Department of Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai,
China
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13
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Karstensen JG, Bülow S, Højen H, Jelsig AM, Jespersen N, Andersen KK, Wewer MD, Burisch J, Pommergaard HC. Cancer in Patients With Familial Adenomatous Polyposis: A Nationwide Danish Cohort Study With Matched Controls. Gastroenterology 2023; 165:573-581.e3. [PMID: 37201686 DOI: 10.1053/j.gastro.2023.05.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 04/25/2023] [Accepted: 05/02/2023] [Indexed: 05/20/2023]
Abstract
BACKGROUND & AIMS Familial adenomatous polyposis (FAP) is a hereditary disorder that predisposes patients to colorectal cancer (CRC). Prophylactic colectomy has greatly reduced the risk of CRC. However, new associations between FAP and the risk of other cancers have subsequently emerged. In this study, we assessed the risk of specific primary and secondary cancers among patients with FAP compared with matched controls. METHODS All known patients with FAP up until April 2021 were identified in the nationwide Danish Polyposis Register and paired with 4 unique controls matched by birth year, sex, and postal code. The risk of overall cancers, specific cancer types, and risk of a second primary cancer was assessed and compared with controls. RESULTS The analysis included 565 patients with FAP and 1890 controls. The overall risk of cancer was significantly higher for patients with FAP than for controls (hazard ratio [HR], 4.12; 95% confidence interval [CI], 3.28-5.17; P < .001). The increased risk was mainly due to CRC (HR, 4.61; 95% CI, 2.58-8.22; P < .001), pancreatic cancer (HR, 6.45; 95% CI, 2.02-20.64; P = .002), and duodenal/small-bowel cancer (HR, 14.49; 95% CI, 1.76-119.47; P = .013), whereas no significant difference was observed for gastric cancer (HR, 3.29; 95% CI, 0.53-20.23; P = .20). Furthermore, the risk of a second primary cancer was significantly higher for patients with FAP (HR, 1.89; 95% CI, 1.02-3.50; P = .042). Between 1980 and 2020, the risk of cancer among patients with FAP decreased by ∼50%. CONCLUSIONS Despite an absolute reduction in the risk of developing cancer among patients with FAP, the risk remained significantly higher than for the background population due to colorectal, pancreatic, and duodenal/small-bowel cancers.
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Affiliation(s)
- John Gásdal Karstensen
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
| | - Steffen Bülow
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark
| | - Helle Højen
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark
| | - Anne Marie Jelsig
- Department of Clinical Genetics, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
| | - Niels Jespersen
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark
| | | | - Mads Damsgaard Wewer
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark; Gastro Unit, Medical Division, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark
| | - Johan Burisch
- Danish Polyposis Register, Gastro Unit, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark; Gastro Unit, Medical Division, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark
| | - Hans Christian Pommergaard
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark; Department of Surgery and Transplantation, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
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14
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Boland CR, Koi M, Hawn MT, Carethers JM, Yurgelun MB. Serendipity Strikes: How Pursuing Novel Hypotheses Shifted the Paradigm Regarding the Genetic Basis of Colorectal Cancer and Changed Cancer Therapy. Dig Dis Sci 2023; 68:3504-3513. [PMID: 37402979 PMCID: PMC11262588 DOI: 10.1007/s10620-023-08006-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/19/2023] [Indexed: 07/06/2023]
Abstract
In this installment of the "Paradigm Shifts in Perspective" series, the authors, all scientists who have been involved in colorectal cancer (CRC) research for most or all of their careers, have watched the field develop from early pathological descriptions of tumor formation to the current understanding of tumor pathogenesis that informs personalized therapies. We outline how our understanding of the pathogenetic basis of CRC began with seemingly isolated discoveries-initially with the mutations in RAS and the APC gene, the latter of which was initially found in the context of intestinal polyposis, to the more complex process of multistep carcinogenesis, to the chase for tumor suppressor genes, which led to the unexpected discovery of microsatellite instability (MSI). These discoveries enabled the authors to better understand how the DNA mismatch repair (MMR) system not only recognizes DNA damage but also responds to damage by DNA repair or by triggering apoptosis in the injured cell. This work served, in part, to link the earlier findings on the pathogenesis of CRC to the development of immune checkpoint inhibitors, which has been transformative-and curative-for certain types of CRCs and other cancers as well. These discoveries also highlight the circuitous routes that scientific progress takes, which can include thoughtful hypothesis testing and at other times recognizing the importance of seemingly serendipitous observations that substantially change the flow and direction of the discovery process. What has happened over the past 37 years was not predictable when this journey began, but it does speak to the power of careful scientific experimentation, following the facts, perseverance in the face of opposition, and the willingness to think outside of established paradigms.
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Affiliation(s)
| | | | - Mary T Hawn
- Department of Surgery, Stanford University School of Medicine, CJ Huang Bldg, Palo Alto, CA, 94306, USA
| | | | - Matthew B Yurgelun
- Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
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15
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Kaunitz JD, Bejjani A. Very Unstable Genetics: How the Confluence of Microsatellite Instability and Immunotherapy Revolutionized the Treatment of Colon Cancer. Dig Dis Sci 2023; 68:3494-3503. [PMID: 37402981 DOI: 10.1007/s10620-023-08007-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/19/2023] [Indexed: 07/06/2023]
Affiliation(s)
- Jonathan D Kaunitz
- Medical Service, Section of Gastroenterology, Greater Los Angeles VAMC, Los Angeles, CA, USA.
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
| | - Anthony Bejjani
- Medical Service, Section of Hematology Oncology, Greater Los Angeles VAMC, Los Angeles, CA, USA
- Division of Hematology-Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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16
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Abstract
Mouse models of colorectal cancer (CRC) have been crucial in the identification of the role of genes responsible for the full range of pathology of the human disease and have proved to be dependable for testing anti-cancer drugs. Recent research points toward the relevance of tumor, angiogenic, and immune microenvironments in CRC progression to late-stage disease, as well as the treatment of it. This study examines important mouse models in CRC, discussing inherent strengths and weaknesses disclosed during their construction. It endeavors to provide both a synopsis of previous work covering how investigators have defined various models and to evaluate critically how researchers are most likely to use them in the future. Accumulated evidence regarding the metastatic process and the hope of using checkpoint inhibitors and immunological inhibitor therapies points to the need for a genetically engineered mouse model that is both immunocompetent and autochthonous.
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Affiliation(s)
- Melanie Haas Kucherlapati
- Department of Genetics, Harvard Medical School, Boston, MA, USA
- Department of Medicine, Division of Genetics, Brigham and Women’s Hospital, Boston, MA, USA
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17
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Soons E, Siersema PD, van Lierop LMA, Bisseling TM, van Kouwen MCA, Nagtegaal ID, van der Post RS, Atsma F. Laboratory variation in the grading of dysplasia of duodenal adenomas in familial adenomatous polyposis patients. Fam Cancer 2023; 22:177-186. [PMID: 36401146 PMCID: PMC10020317 DOI: 10.1007/s10689-022-00320-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 11/06/2022] [Indexed: 11/20/2022]
Abstract
To prevent duodenal and ampullary cancer in familial adenomatous polyposis (FAP) patients, a diagnosis of high grade dysplasia (HGD) plays an important role in the clinical management. Previous research showed that FAP patients are both over- and undertreated after a misdiagnosis of HGD, indicating unwarranted variation. We aimed to investigate the laboratory variation in dysplasia grading of duodenal adenomas and explore possible explanations for this variation. We included data from all Dutch pathology laboratories between 1991 and 2020 by retrieving histology reports from upper endoscopy specimens of FAP patients from the Dutch nationwide pathology databank (PALGA). Laboratory variation was investigated by comparing standardized proportions of HGD. To describe the degree of variation between the laboratories a factor score was calculated. A funnel plot was used to identify outliers. A total of 3050 specimens from 25 laboratories were included in the final analyses. The mean observed HGD proportion was 9.4%. The top three HGD-diagnosing laboratories diagnosed HGD 3.9 times more often than the lowest three laboratories, even after correcting for case-mix. No outliers were identified. Moderate laboratory variation was found in HGD diagnoses of duodenal tissue of FAP patients after adjusting for case-mix. Despite the fact that no outliers were observed, there may well be room for quality improvement. Concentration of these patients in expertise centers may decrease variation. To further reduce unwarranted variation, we recommend (inter)national guidelines to become more uniform in their recommendations regarding duodenal tissue sampling and consequences of HGD diagnoses.
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Affiliation(s)
- E Soons
- Department of Gastroenterology and Hepatology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - P D Siersema
- Department of Gastroenterology and Hepatology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - L M A van Lierop
- Department of Gastroenterology and Hepatology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - T M Bisseling
- Department of Gastroenterology and Hepatology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - M C A van Kouwen
- Department of Gastroenterology and Hepatology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - I D Nagtegaal
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - R S van der Post
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - F Atsma
- Department of IQ Healthcare, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
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18
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Pandey H, Tang DWT, Wong SH, Lal D. Gut Microbiota in Colorectal Cancer: Biological Role and Therapeutic Opportunities. Cancers (Basel) 2023; 15:cancers15030866. [PMID: 36765824 PMCID: PMC9913759 DOI: 10.3390/cancers15030866] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 02/03/2023] Open
Abstract
Colorectal cancer (CRC) is the second-leading cause of cancer-related deaths worldwide. While CRC is thought to be an interplay between genetic and environmental factors, several lines of evidence suggest the involvement of gut microbiota in promoting inflammation and tumor progression. Gut microbiota refer to the ~40 trillion microorganisms that inhabit the human gut. Advances in next-generation sequencing technologies and metagenomics have provided new insights into the gut microbial ecology and have helped in linking gut microbiota to CRC. Many studies carried out in humans and animal models have emphasized the role of certain gut bacteria, such as Fusobacterium nucleatum, enterotoxigenic Bacteroides fragilis, and colibactin-producing Escherichia coli, in the onset and progression of CRC. Metagenomic studies have opened up new avenues for the application of gut microbiota in the diagnosis, prevention, and treatment of CRC. This review article summarizes the role of gut microbiota in CRC development and its use as a biomarker to predict the disease and its potential therapeutic applications.
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Affiliation(s)
- Himani Pandey
- Redcliffe Labs, Electronic City, Noida 201301, India
| | - Daryl W. T. Tang
- School of Biological Sciences, Nanyang Technological University, Singapore 308232, Singapore
| | - Sunny H. Wong
- Centre for Microbiome Medicine, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore
- Correspondence: (S.H.W.); (D.L.)
| | - Devi Lal
- Department of Zoology, Ramjas College, University of Delhi, Delhi 110007, India
- Correspondence: (S.H.W.); (D.L.)
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19
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Strong Hereditary Predispositions to Colorectal Cancer. Genes (Basel) 2022; 13:genes13122326. [PMID: 36553592 PMCID: PMC9777620 DOI: 10.3390/genes13122326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/01/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022] Open
Abstract
Cancer is one of the most common causes of death worldwide. A strong predisposition to cancer is generally only observed in colorectal cancer (5% of cases) and breast cancer (2% of cases). Colorectal cancer is the most common cancer with a strong genetic predisposition, but it includes dozens of various syndromes. This group includes familial adenomatous polyposis, attenuated familial adenomatous polyposis, MUTYH-associated polyposis, NTHL1-associated polyposis, Peutz-Jeghers syndrome, juvenile polyposis syndrome, Cowden syndrome, Lynch syndrome, and Muir-Torre syndrome. The common symptom of all these diseases is a very high risk of colorectal cancer, but depending on the condition, their course is different in terms of age and range of cancer occurrence. The rate of cancer development is determined by its conditioning genes, too. Hereditary predispositions to cancer of the intestine are a group of symptoms of heterogeneous diseases, and their proper diagnosis is crucial for the appropriate management of patients and their successful treatment. Mutations of specific genes cause strong colorectal cancer predispositions. Identifying mutations of predisposing genes will support proper diagnosis and application of appropriate screening programs to avoid malignant neoplasm.
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20
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Badheeb M, Abdelrahim A, Esmail A, Umoru G, Abboud K, Al-Najjar E, Rasheed G, Alkhulaifawi M, Abudayyeh A, Abdelrahim M. Pancreatic Tumorigenesis: Precursors, Genetic Risk Factors and Screening. Curr Oncol 2022; 29:8693-8719. [PMID: 36421339 PMCID: PMC9689647 DOI: 10.3390/curroncol29110686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/09/2022] [Accepted: 11/14/2022] [Indexed: 11/17/2022] Open
Abstract
Pancreatic cancer (PC) is a highly malignant and aggressive tumor. Despite medical advancement, the silent nature of PC results in only 20% of all cases considered resectable at the time of diagnosis. It is projected to become the second leading cause in 2030. Most pancreatic cancer cases are diagnosed in the advanced stages. Such cases are typically unresectable and are associated with a 5-year survival of less than 10%. Although there is no guideline consensus regarding recommendations for screening for pancreatic cancer, early detection has been associated with better outcomes. In addition to continued utilization of imaging and conventional tumor markers, clinicians should be aware of novel testing modalities that may be effective for early detection of pancreatic cancer in individuals with high-risk factors. The pathogenesis of PC is not well understood; however, various modifiable and non-modifiable factors have been implicated in pancreatic oncogenesis. PC detection in the earlier stages is associated with better outcomes; nevertheless, most oncological societies do not recommend universal screening as it may result in a high false-positive rate. Therefore, targeted screening for high-risk individuals represents a reasonable option. In this review, we aimed to summarize the pathogenesis, genetic risk factors, high-risk population, and screening modalities for PC.
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Affiliation(s)
- Mohamed Badheeb
- Internal Medicine Department, College of Medicine, Hadhramout University, Mukalla 50512, Yemen
| | | | - Abdullah Esmail
- Section of GI Oncology, Department of Medical Oncology, Houston Methodist Cancer Center, Houston, TX 77030, USA
- Correspondence: (A.E.); (M.A.)
| | - Godsfavour Umoru
- Department of Pharmacy, Houston Methodist Hospital, Houston, TX 77030, USA
| | - Karen Abboud
- Department of Pharmacy, Houston Methodist Hospital, Houston, TX 77030, USA
| | - Ebtesam Al-Najjar
- Faculty of Medicine and Health Sciences, University of Science and Technology, Sana’a 15201, Yemen
| | - Ghaith Rasheed
- Faculty of Medicine, The Hashemite University, Zarqa 13133, Jordan
| | | | - Ala Abudayyeh
- Section of Nephrology, Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Maen Abdelrahim
- Section of GI Oncology, Department of Medical Oncology, Houston Methodist Cancer Center, Houston, TX 77030, USA
- Weill Cornell Medical College, New York, NY 14853, USA
- Cockrell Center for Advanced Therapeutic Phase I Program, Houston Methodist Research Institute, Houston, TX 77030, USA
- Correspondence: (A.E.); (M.A.)
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21
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Cavalcante IP, Berthon A, Fragoso MC, Reincke M, Stratakis CA, Ragazzon B, Bertherat J. Primary bilateral macronodular adrenal hyperplasia: definitely a genetic disease. Nat Rev Endocrinol 2022; 18:699-711. [PMID: 35922573 DOI: 10.1038/s41574-022-00718-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/30/2022] [Indexed: 11/08/2022]
Abstract
Primary bilateral macronodular adrenal hyperplasia (PBMAH) is an adrenal cause of Cushing syndrome. Nowadays, a PBMAH diagnosis is more frequent than previously, as a result of progress in the diagnostic methods for adrenal incidentalomas, which are widely available. Although some rare syndromic forms of PBMAH are known to be of genetic origin, non-syndromic forms of PBMAH have only been recognized as a genetic disease in the past 10 years. Genomics studies have highlighted the molecular heterogeneity of PBMAH and identified molecular subgroups, allowing improved understanding of the clinical heterogeneity of this disease. Furthermore, the generation of these subgroups permitted the identification of new genes responsible for PBMAH. Constitutive inactivating variants in ARMC5 and KDM1A are responsible for the development of distinct forms of PBMAH. To date, pathogenic variants of ARMC5 are responsible for 20-25% of PBMAH, whereas germline KDM1A alterations have been identified in >90% of PBMAH causing food-dependent Cushing syndrome. The identification of pathogenic variants in ARMC5 and KDM1A demonstrated that PBMAH, despite mostly being diagnosed in adults aged 45-60 years, is a genetic disorder. This Review summarizes the important progress made in the past 10 years in understanding the genetics of PBMAH, which have led to a better understanding of the pathophysiology, opening new clinical perspectives.
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Affiliation(s)
- Isadora P Cavalcante
- Université Paris Cité, Institut Cochin, Inserm U1016, CNRS UMR8104, Paris, France
| | - Annabel Berthon
- Université Paris Cité, Institut Cochin, Inserm U1016, CNRS UMR8104, Paris, France
| | - Maria C Fragoso
- Department of Endocrinology, Adrenal Unit, University of Sao Paulo, Sao Paulo, Brazil
| | - Martin Reincke
- Medizinische Klinik und Poliklinik IV, LMU Klinikum, Ludwig-Maximilians-Universität München, München, Germany
| | | | - Bruno Ragazzon
- Université Paris Cité, Institut Cochin, Inserm U1016, CNRS UMR8104, Paris, France
| | - Jérôme Bertherat
- Department of Endocrinology and National Reference Center for Rare Adrenal Disorders, Hôpital Cochin, Assistance Publique Hôpitaux de Paris, Paris, France.
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22
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Vafaei S, Taheri H, Hajimomeni Y, Fakhre Yaseri A, Abolhasani Zadeh F. The role of NLRP3 inflammasome in colorectal cancer: potential therapeutic target. Clin Transl Oncol 2022; 24:1881-1889. [PMID: 35689136 DOI: 10.1007/s12094-022-02861-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 05/12/2022] [Indexed: 12/24/2022]
Abstract
All phases of carcinogenesis are affected by inflammation. Activation of the inflammasome is a crucial signaling mechanism that leads to acute and chronic inflammation. When specific nucleotide-binding domains, leucine-rich repeat-containing proteins (NLRs) are activated, inflammasomes are formed. The NLRP3 is one of the NLR family members with the most functional characterization. NLRP3 can modulate the immune systems, apoptosis, growth, and/or the gut microbiome to impact cancer development. Colorectal cancer (CRC) is one of the most common cancers, and it begins as a tissue overgrowth on the internal part of the rectum or colon. In vivo and in vitro studies showed that the NLRP3 inflammasome has a role in CRC development due to its broad activity in shaping immune responses. Here, onwards, we focus on the NLRP3 inflammasome role in CRC development, as well as the therapeutic prospective of modifying NLRP3 inflammasome in the context of anti-cancer therapy.
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Affiliation(s)
- Somayeh Vafaei
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Hamed Taheri
- Internal Medicine Cellular and Molecular, Research Center, Zahedan University of Medical Sciences, Fellowship of GI in Mashhad University of Medical Sciences, Zahedan, Iran
| | - Yasamin Hajimomeni
- Islamic Azad University of Medical Science, Qeshm International Branch, Qeshm, Iran
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23
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Yang J, Zhang L. The roles and therapeutic approaches of MSC-derived exosomes in colorectal cancer. Clin Transl Oncol 2022; 24:959-967. [PMID: 35037237 DOI: 10.1007/s12094-021-02750-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/06/2021] [Indexed: 12/12/2022]
Abstract
Colorectal cancer (CRC) is the third most common cancer in both men and women, accounting for 8% of all new cancer cases in both. CRC is typically diagnosed at advanced stages, which leads to a higher mortality rate. The 5-year survival rate for CRC is 64% in all cases and just 12% in metastatic cases. Mesenchymal stem cells (MSCs) are one of the most recent approaches for therapeutic interventions in cancer. MSCs have multiple properties, including paracrine signaling, immunologic functions, and the ability to migrate to the targeted tissue. MSCs can produce and secrete exosomes in tumor microenvironments. These exosomes can transfer compounds across tumor cells, stromal cells, fibroblasts, endothelial cells, and immune cells. Studies showed that modified MCS-derived exosomes have enhanced specificity, reduced immunogenicity, and better targeting capabilities in comparison to other frequently used delivery systems such as liposomes. Therefore, this study aimed to provide a comprehensive view of the role of natural MSC-derived exosomes in CRC, as well as the most current and prospective advancements in MSC-derived exosome therapeutic modifications.
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Affiliation(s)
- Jie Yang
- Anorectal, Shijiazhuang Hospital of Traditional Chinese Medicine, Shijiazhuang, 050051, China.
| | - Liman Zhang
- Anorectal, Shijiazhuang Hospital of Traditional Chinese Medicine, Shijiazhuang, 050051, China
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24
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Kim JC, Bodmer WF. Genomic landscape of colorectal carcinogenesis. J Cancer Res Clin Oncol 2022; 148:533-545. [DOI: 10.1007/s00432-021-03888-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/11/2021] [Indexed: 12/19/2022]
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25
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Radiologic screening and surveillance in hereditary cancers. Eur J Radiol Open 2022; 9:100422. [PMID: 35874798 PMCID: PMC9301608 DOI: 10.1016/j.ejro.2022.100422] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 04/14/2022] [Accepted: 04/16/2022] [Indexed: 12/30/2022] Open
Abstract
Hereditary cancer syndromes comprise an important subset of cancers caused by pathogenic germline mutations that can affect various organ systems. Radiologic screening and surveillance for solid tumors has emerged as a critical component of patient management in permitting early cancer detection. Although imaging surveillance may be tailored for organ-specific cancer risks, surveillance protocols frequently utilize whole-body MRI or PET/CT because of their ability to identify neoplasms in different anatomic regions in a single exam. In this review, we discuss the basic tenets of imaging screening and surveillance strategies in these syndromes, highlighting the more common neoplasms and their associated multimodality imaging findings. Pathogenic germline mutations in hereditary cancers cause early-onset distinctive tumors in an organ-specific pattern. Geneticist, oncologist, and radiologist coordination facilitates syndrome-appropriate screening and surveillance strategies. WB-MRI is a promising comprehensive non-ionizing screening/surveillance modality but with sparse prospective survival data.
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26
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Kim JC, Bodmer WF. Genotypic and Phenotypic Characteristics of Hereditary Colorectal Cancer. Ann Coloproctol 2021; 37:368-381. [PMID: 34961301 PMCID: PMC8717071 DOI: 10.3393/ac.2021.00878.0125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 10/21/2021] [Indexed: 12/20/2022] Open
Abstract
The genomic causes and clinical manifestations of hereditary colorectal cancer (HCRC) might be stratified into 2 groups, namely, familial (FCRC) and a limited sense of HCRC, respectively. Otherwise, FCRC is canonically classified into 2 major categories; Lynch syndrome (LS) or associated spectra and inherited polyposis syndrome. By contrast, despite an increasing body of genotypic and phenotypic traits, some FCRC cannot be clearly differentiated as definitively single type, and the situation has become more complex as additional causative genes have been discovered. This review provides an overview of HCRC, including 6 LS or associated spectra and 8 inherited polyposis syndromes, according to molecular pathogenesis. Variants and newly-identified FCRC are particularly emphasized, including MUTYH (or MYH)-associated polyposis, Muir-Torre syndrome, constitutional mismatch repair deficiency, EPCAM-associated LS, polymerase proofreading-associated polyposis, RNF43- or NTHL1-associated serrated polyposis syndrome, PTEN hamartoma tumor syndrome, and hereditary mixed polyposis syndrome. We also comment on the clinical utility of multigene panel tests, focusing on comprehensive cancer panels that include HCRC. Finally, HCRC surveillance strategies are recommended, based on revised or notable concepts underpinned by competent validation and clinical implications, and favoring major guidelines. As hereditary syndromes are mainly attributable to genomic constitutions of distinctive ancestral groups, an integrative national HCRC registry and guideline is an urgent priority.
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Affiliation(s)
- Jin Cheon Kim
- Department of Surgery, University of Ulsan College of Medicine and Asan Medical Center, Seoul, Korea.,Laboratory of Cancer Biology and Genetics, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea
| | - Walter F Bodmer
- Cancer and Immunogenetics Laboratory, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
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27
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Gaafer OU, Zimmers TA. Nutrition challenges of cancer cachexia. JPEN J Parenter Enteral Nutr 2021; 45:16-25. [PMID: 34897740 DOI: 10.1002/jpen.2287] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 12/11/2022]
Abstract
Cancer cachexia, or progressive weight loss, often despite adequate nutrition contributes greatly to cancer morbidity and mortality. Cachexia is metabolically distinct from starvation or protein malnutrition, although many patients with cancer and cachexia exhibit lowered appetite and food consumption. Tumors affect neural mechanisms that regulate appetite and energy expenditure, while promoting wasting of peripheral tissues via catabolism of cardiac and skeletal muscle, adipose, and bone. These multimodal actions of tumors on the host suggest a need for multimodal interventions. However, multiple recent consensus guidelines for management of cancer cachexia differ in treatment recommendations, highlighting the lack of effective, available therapies. Challenges to defining appropriate nutrition or other interventions for cancer cachexia include lack of consensus on definitions, low strength of evidence from clinical trials, and a scarcity of robust, rigorous, and mechanistic studies. However, efforts to diagnose, stage, and monitor cachexia are increasing along with clinical trial activity. Furthermore, preclinical models for cancer cachexia are growing more sophisticated, encompassing a greater number of tumor types in organ-appropriate contexts and for metastatic disease to model the clinical condition more accurately. It is expected that continued growth, investment, and coordination of research in this topic will ultimately yield robust biomarkers, clinically useful classification and staging algorithms, targetable pathways, pivotal clinical trials, and ultimately, cures. Here, we provide an overview of the clinical and scientific knowledge and its limitations around cancer cachexia.
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Affiliation(s)
- Omnia U Gaafer
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Teresa A Zimmers
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA.,Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA.,Department of Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA.,Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Indianapolis, Indiana, USA.,Indiana Center for Musculoskeletal Health, Indianapolis, Indiana, USA.,Richard L. Roudebush Veterans Administration Medical Center, Indianapolis, Indiana, USA
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28
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Olkinuora AP, Peltomäki PT, Aaltonen LA, Rajamäki K. From APC to the genetics of hereditary and familial colon cancer syndromes. Hum Mol Genet 2021; 30:R206-R224. [PMID: 34329396 PMCID: PMC8490010 DOI: 10.1093/hmg/ddab208] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/01/2021] [Accepted: 07/05/2021] [Indexed: 11/12/2022] Open
Abstract
Hereditary colorectal cancer (CRC) syndromes attributable to high penetrance mutations represent 9-26% of young-onset CRC cases. The clinical significance of many of these mutations is understood well enough to be used in diagnostics and as an aid in patient care. However, despite the advances made in the field, a significant proportion of familial and early-onset cases remains molecularly uncharacterized and extensive work is still needed to fully understand the genetic nature of CRC susceptibility. With the emergence of next-generation sequencing and associated methods, several predisposition loci have been unraveled, but validation is incomplete. Individuals with cancer-predisposing mutations are currently enrolled in life-long surveillance, but with the development of new treatments, such as cancer vaccinations, this might change in the not so distant future for at least some individuals. For individuals without a known cause for their disease susceptibility, prevention and therapy options are less precise. Herein, we review the progress achieved in the last three decades with a focus on how CRC predisposition genes were discovered. Furthermore, we discuss the clinical implications of these discoveries and anticipate what to expect in the next decade.
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Affiliation(s)
- Alisa P Olkinuora
- Department of Medical and Clinical Genetics, Medicum, University of Helsinki, 00014 Helsinki, Finland
- iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, 00014 Helsinki, Finland
| | - Päivi T Peltomäki
- Department of Medical and Clinical Genetics, Medicum, University of Helsinki, 00014 Helsinki, Finland
- iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, 00014 Helsinki, Finland
| | - Lauri A Aaltonen
- Department of Medical and Clinical Genetics, Medicum, University of Helsinki, 00014 Helsinki, Finland
- iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, 00014 Helsinki, Finland
- Applied Tumor Genomics Research Program, Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland
| | - Kristiina Rajamäki
- Department of Medical and Clinical Genetics, Medicum, University of Helsinki, 00014 Helsinki, Finland
- Applied Tumor Genomics Research Program, Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland
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29
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Soons E, Bisseling TM, van Kouwen MCA, Möslein G, Siersema PD. Endoscopic management of duodenal adenomatosis in familial adenomatous polyposis-A case-based review. United European Gastroenterol J 2021; 9:461-468. [PMID: 34529357 PMCID: PMC8259240 DOI: 10.1002/ueg2.12071] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/14/2020] [Indexed: 12/18/2022] Open
Abstract
Adenomatous polyposis (AP) diseases, including familial adenomatous polyposis (FAP), attenuated FAP (AFAP), and MUTYH‐associated polyposis (MAP), are the second most common hereditary causes of colorectal cancer. A frequent extra‐colonic manifestation of AP disease is duodenal polyposis, which may lead to duodenal cancer in up to 18% of AP patients. Endoscopic surveillance is recommended at 0.5‐ to 5‐year intervals depending on the extent of polyp growth and histological progression. Although the Spigelman classification is traditionally used to determine surveillance intervals, it lacks information on the (peri‐)ampullary site, where 50% of duodenal carcinomas are located. Hence, information on the papilla has recently been added as a prognostic marker. Patients with duodenal adenoma(s) ≥10 mm and ampullary adenomas of any size are suggested to be referred to an expert center for endoscopic therapy, particularly endoscopic mucosal resection and endoscopic ampullectomy. Nonetheless, despite the logic of this approach, the long‐term efficacy of endoscopic therapy is still to be demonstrated.
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Affiliation(s)
- E Soons
- Department of Gastroenterology and Hepatology, Radboudumc, Nijmegen, The Netherlands
| | - T M Bisseling
- Department of Gastroenterology and Hepatology, Radboudumc, Nijmegen, The Netherlands
| | - M C A van Kouwen
- Department of Gastroenterology and Hepatology, Radboudumc, Nijmegen, The Netherlands
| | - G Möslein
- Center for Hereditary Tumors, Helios University Hospital Wuppertal, University of Witten-Herdecke, Wuppertal, Germany
| | - P D Siersema
- Department of Gastroenterology and Hepatology, Radboudumc, Nijmegen, The Netherlands
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30
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Malik P, Kumar J, Sharma S, Sharma R, Sharma S. Multi-locus genome-wide association mapping for spike-related traits in bread wheat (Triticum aestivum L.). BMC Genomics 2021; 22:597. [PMID: 34353288 PMCID: PMC8340506 DOI: 10.1186/s12864-021-07834-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 06/23/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Bread wheat (Triticum aestivum L.) is one of the most important cereal food crops for the global population. Spike-layer uniformity (the consistency of the spike distribution in the vertical space)-related traits (SLURTs) are quantitative and have been shown to directly affect yield potential by modifying the plant architecture. Therefore, these parameters are important breeding targets for wheat improvement. The present study is the first genome-wide association study (GWAS) targeting SLURTs in wheat. In this study, a set of 225 diverse spring wheat accessions were used for multi-locus GWAS to evaluate SLURTs, including the number of spikes per plant (NSPP), spike length (SL), number of spikelets per spike (NSPS), grain weight per spike (GWPS), lowest tiller height (LTH), spike-layer thickness (SLT), spike-layer number (SLN) and spike-layer uniformity (SLU). RESULTS In total, 136 significant marker trait associations (MTAs) were identified when the analysis was both performed individually and combined for two environments. Twenty-nine MTAs were detected in environment one, 48 MTAs were discovered in environment two and 59 MTAs were detected using combined data from the two environments. Altogether, 15 significant MTAs were found for five traits in one of the two environments, and four significant MTAs were detected for the two traits, LTH and SLU, in both environments i.e. E1, E2 and also in combined data from the two environments. In total, 279 candidate genes (CGs) were identified, including Chaperone DnaJ, ABC transporter-like, AP2/ERF, SWEET sugar transporter, as well as genes that have previously been associated with wheat spike development, seed development and grain yield. CONCLUSIONS The MTAs detected through multi-locus GWAS will be useful for improving SLURTs and thus yield in wheat production through marker-assisted and genomic selection.
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Affiliation(s)
- Parveen Malik
- Department of Genetics and Plant Breeding, ChaudharyCharan Singh University (CCSU), Meerut, 250 004, India
| | - Jitendra Kumar
- Department of Genetics and Plant Breeding, ChaudharyCharan Singh University (CCSU), Meerut, 250 004, India.,National Agri-Food Biotechnology Institute (NABI), Sector 81(Knowledge City), SahibzadaAjit Singh Nagar, Punjab, 140306, India
| | - Shiveta Sharma
- Department of Genetics and Plant Breeding, ChaudharyCharan Singh University (CCSU), Meerut, 250 004, India
| | - Rajiv Sharma
- Scotland's Rural College (SRUC), Peter Wilson Building, West Mains Road, Edinburgh, EH9 3JG, UK
| | - Shailendra Sharma
- Department of Genetics and Plant Breeding, ChaudharyCharan Singh University (CCSU), Meerut, 250 004, India.
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31
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Chadha S, Kumar A, Srivastava SA, Behl T, Ranjan R. Inulin as a Delivery Vehicle for Targeting Colon-Specific Cancer. Curr Drug Deliv 2021; 17:651-674. [PMID: 32459607 DOI: 10.2174/1567201817666200527133719] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/11/2020] [Accepted: 04/01/2020] [Indexed: 12/12/2022]
Abstract
Natural polysaccharides, as well as biopolymers, are now days widely developed for targeting colon cancer using various drug delivery systems. Currently, healing conformations are being explored that can efficiently play a multipurpose role. Owing to the capability of extravagance colonic diseases with the least adverse effects, biopolymers for site specific colon delivery have developed an increased curiosity over the past decades. Inulin (INU) was explored for its probable application as an entrapment material concerning its degradation by enzymes in the colonic microflora and its drug release behavior in a sustained and controlled manner. INU is a polysaccharide and it consists of 2 to 1 linkage having an extensive array of beneficial uses such as a carrier for delivery of therapeutic agents as an indicative/investigative utensil or as a dietary fiber with added well-being aids. In the main, limited research, as well as information, is available on the delivery of therapeutic agents using inulin specifically for colon cancer because of its capability to subsist in the stomach's acidic medium. This exceptional steadiness and robustness properties are exploited in numerous patterns to target drugs securely for the management of colonic cancer, where they effectively act and kills colonic tumor cells easily. In this review article, recent efforts and inulin-based nano-technological approaches for colon cancer targeting are presented and discussed.
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Affiliation(s)
- Swati Chadha
- Department of Pharmaceutics, Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Arun Kumar
- Department of Pharmaceutics, Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | | | - Tapan Behl
- Department of Pharmaceutics, Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Rishu Ranjan
- Department of Pharmaceutics, Chitkara College of Pharmacy, Chitkara University, Punjab, India
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32
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Lam KK, Thean LF, Cheah PY. Advances in colorectal cancer genomics and transcriptomics drive early detection and prevention. Int J Biochem Cell Biol 2021; 137:106032. [PMID: 34182137 DOI: 10.1016/j.biocel.2021.106032] [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: 02/26/2021] [Revised: 06/17/2021] [Accepted: 06/23/2021] [Indexed: 12/20/2022]
Abstract
Colorectal carcinoma (CRC) is a high incidence cancer and leading cause of cancer mortality worldwide. The advances in genomics and transcriptomics in the past decades have improved the detection and prevention of CRC in familial CRC syndromes. Nevertheless, the ultimate goal of personalized medicine for sporadic CRC is still not within reach due no less to the difficulty in integrating population disparity and clinical data to combat what essentially is a very heterogenous disease. This minireview highlights the achievement of the past decades and present possible direction in the hope of early detection and metastasis prevention for reducing CRC-associated morbidity and mortality.
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Affiliation(s)
- Kuen Kuen Lam
- Department of Colorectal Surgery, Singapore General Hospital, Singapore, Singapore
| | - Lai Fun Thean
- Department of Colorectal Surgery, Singapore General Hospital, Singapore, Singapore
| | - Peh Yean Cheah
- Department of Colorectal Surgery, Singapore General Hospital, Singapore, Singapore; Saw Swee Hock School of Public Health, National University of Singapore, Singapore; Duke-NUS Medical School, National University of Singapore, Singapore.
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33
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Gaiani F, Marchesi F, Negri F, Greco L, Malesci A, de’Angelis GL, Laghi L. Heterogeneity of Colorectal Cancer Progression: Molecular Gas and Brakes. Int J Mol Sci 2021; 22:ijms22105246. [PMID: 34063506 PMCID: PMC8156342 DOI: 10.3390/ijms22105246] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 05/11/2021] [Accepted: 05/13/2021] [Indexed: 02/06/2023] Open
Abstract
The review begins with molecular genetics, which hit the field unveiling the involvement of oncogenes and tumor suppressor genes in the pathogenesis of colorectal cancer (CRC) and uncovering genetic predispositions. Then the notion of molecular phenotypes with different clinical behaviors was introduced and translated in the clinical arena, paving the way to next-generation sequencing that captured previously unrecognized heterogeneity. Among other molecular regulators of CRC progression, the extent of host immune response within the tumor micro-environment has a critical position. Translational sciences deeply investigated the field, accelerating the pace toward clinical transition, due to its strong association with outcomes. While the perturbation of gut homeostasis occurring in inflammatory bowel diseases can fuel carcinogenesis, micronutrients like vitamin D and calcium can act as brakes, and we discuss underlying molecular mechanisms. Among the components of gut microbiota, Fusobacterium nucleatum is over-represented in CRC, and may worsen patient outcome. However, any translational knowledge tracing the multifaceted evolution of CRC should be interpreted according to the prognostic and predictive frame of the TNM-staging system in a perspective of clinical actionability. Eventually, we examine challenges and promises of pharmacological interventions aimed to restrain disease progression at different disease stages.
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Affiliation(s)
- Federica Gaiani
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (F.G.); (G.L.d.)
- Gastroenterology and Endoscopy Unit, University-Hospital of Parma, via Gramsci 14, 43126 Parma, Italy
| | - Federica Marchesi
- IRCCS Humanitas Research Hospital, via Manzoni 56, 20089 Rozzano, Italy; (F.M.); (A.M.)
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20132 Milan, Italy
| | - Francesca Negri
- Medical Oncology Unit, University Hospital of Parma, 43126 Parma, Italy;
| | - Luana Greco
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, via Manzoni 56, 20089 Rozzano, Italy;
| | - Alberto Malesci
- IRCCS Humanitas Research Hospital, via Manzoni 56, 20089 Rozzano, Italy; (F.M.); (A.M.)
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, 20072 Pieve Emanuele, Italy
| | - Gian Luigi de’Angelis
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (F.G.); (G.L.d.)
- Gastroenterology and Endoscopy Unit, University-Hospital of Parma, via Gramsci 14, 43126 Parma, Italy
| | - Luigi Laghi
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (F.G.); (G.L.d.)
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, via Manzoni 56, 20089 Rozzano, Italy;
- Correspondence:
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34
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Zhu L, Li X, Yuan Y, Dong C, Yang M. APC Promoter Methylation in Gastrointestinal Cancer. Front Oncol 2021; 11:653222. [PMID: 33968756 PMCID: PMC8103321 DOI: 10.3389/fonc.2021.653222] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 03/30/2021] [Indexed: 12/30/2022] Open
Abstract
The adenomatous polyposis coli (APC) gene, known as tumor suppressor gene, has the two promoters 1A and 1B. Researches on APC have usually focused on its loss-of-function variants causing familial adenomatous polyposis. Hypermethylation, however, which is one of the key epigenetic alterations of the APC CpG sequence, is also associated with carcinogenesis in various cancers. Accumulating studies have successively explored the role of APC hypermethylation in gastrointestinal (GI) tumors, such as in esophageal, colorectal, gastric, pancreatic, and hepatic cancer. In sporadic colorectal cancer, the hypermethylation of CpG island in APC is even considered as one of the primary causative factors. In this review, we systematically summarized the distribution of APC gene methylation in various GI tumors, and attempted to provide an improved general understanding of DNA methylation in GI tumors. In addition, we included a robust overview of demethylating agents available for both basic and clinical researches. Finally, we elaborated our findings and perspectives on the overall situation of APC gene methylation in GI tumors, aiming to explore the potential research directions and clinical values.
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Affiliation(s)
- Lila Zhu
- Department of Medical Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xinyu Li
- Department of Medical Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ying Yuan
- Department of Medical Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Caixia Dong
- Department of Medical Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mengyuan Yang
- Department of Medical Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Díaz-Gay M, Alexandrov LB. Unraveling the genomic landscape of colorectal cancer through mutational signatures. Adv Cancer Res 2021; 151:385-424. [PMID: 34148618 DOI: 10.1016/bs.acr.2021.03.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Colorectal cancer, along with most other cancer types, is driven by somatic mutations. Characteristic patterns of somatic mutations, known as mutational signatures, arise as a result of the activities of different mutational processes. Mutational signatures have diverse origins, including exogenous and endogenous sources. In the case of colorectal cancer, the analysis of mutational signatures has elucidated specific signatures for classically associated DNA repair deficiencies, namely mismatch repair (leading to microsatellite instability), base excision repair (due to MUTYH or NTHL1 mutations), and polymerase proofreading (due to POLE and POLD1 exonuclease domain mutations). Additional signatures also play a role in colorectal cancer, including those related to normal aging and those associated with gut microbiota, as well as a number of signatures with unknown etiologies. This chapter provides an overview of the current knowledge of mutational signatures, with a focus on colorectal cancer and on the recently reported signatures in physiologically normal and inflammatory bowel disease-affected somatic colon tissues.
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Affiliation(s)
- Marcos Díaz-Gay
- Department of Cellular and Molecular Medicine, UC San Diego, La Jolla, CA, United States; Department of Bioengineering, UC San Diego, La Jolla, CA, United States; Moores Cancer Center, UC San Diego, La Jolla, CA, United States
| | - Ludmil B Alexandrov
- Department of Cellular and Molecular Medicine, UC San Diego, La Jolla, CA, United States; Department of Bioengineering, UC San Diego, La Jolla, CA, United States; Moores Cancer Center, UC San Diego, La Jolla, CA, United States.
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Sun G, Wu L, Sun G, Shi X, Cao H, Tang W. WNT5a in Colorectal Cancer: Research Progress and Challenges. Cancer Manag Res 2021; 13:2483-2498. [PMID: 33758546 PMCID: PMC7981155 DOI: 10.2147/cmar.s289819] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 02/17/2021] [Indexed: 12/31/2022] Open
Abstract
Despite the clinical development of new adjuvant and neoadjuvant chemotherapy drugs, colorectal cancer is still one of the leading causes of cancer-related death in human beings. WNT5a, an autocrine and paracrine β-catenin independent ligand, has been shown to induce tumor inhibition and carcinogenic signals, depending on the type of cancer. In patients with colorectal cancer, WNT5a triggers a variety of downstream signaling pathways, which mainly affect the migration and invasion of tumor cells. This article reviews the mechanism and therapeutic potential of WNT5a in colorectal cancer. In short, an in-depth understanding of the role of WNT5a in colorectal cancer is very helpful to better deal with this disease.
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Affiliation(s)
- Guangshun Sun
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Liangliang Wu
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Guoqiang Sun
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Xuesong Shi
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Hongyong Cao
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Weiwei Tang
- Hepatobiliary/Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Living Donor Transplantation, Chinese Academy of Medical Sciences, Nanjing, Jiangsu, People's Republic of China
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Use of sanger and next-generation sequencing to screen for mosaic and intronic APC variants in unexplained colorectal polyposis patients. Fam Cancer 2021; 21:79-83. [PMID: 33683519 PMCID: PMC8799582 DOI: 10.1007/s10689-021-00236-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 02/16/2021] [Indexed: 12/12/2022]
Abstract
In addition to classic germline APC gene variants, APC mosaicism and deep intronic germline APC variants have also been reported to be causes of adenomatous polyposis. In this study, we investigated 80 unexplained colorectal polyposis patients without germline pathogenic variants in known polyposis predisposing genes to detect mosaic and deep intronic APC variants. All patients developed more than 50 colorectal polyps, with adenomas being predominantly observed. To detect APC mosaicism, we performed next-generation sequencing (NGS) in leukocyte DNA. Furthermore, using Sanger sequencing, the cohort was screened for the following previously reported deep intronic pathogenic germline APC variants: c.1408 + 731C > T, p.(Gly471Serfs*55), c.1408 + 735A > T, p.(Gly471Serfs*55), c.1408 + 729A > G, p.(Gly471Serfs*55) and c.532-941G > A, p.(Phe178Argfs*22). We did not detect mosaic or intronic APC variants in the screened unexplained colorectal polyposis patients. The results of this study indicate that the deep intronic APC variants investigated in this study are not a cause of colorectal polyposis in this Dutch population. In addition, NGS did not detect any further mosaic variants in our cohort.
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Chehrazi-Raffle A, Dorff TB, Pal SK, Lyou Y. Wnt/β-Catenin Signaling and Immunotherapy Resistance: Lessons for the Treatment of Urothelial Carcinoma. Cancers (Basel) 2021; 13:889. [PMID: 33672668 PMCID: PMC7924395 DOI: 10.3390/cancers13040889] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/27/2021] [Accepted: 02/01/2021] [Indexed: 12/21/2022] Open
Abstract
Urothelial cell carcinoma (UCC) is a significant public health burden. It accounts for approximately 90 percent of all bladder cancers with an estimated 200,000 annual deaths globally. Platinum based cytotoxic chemotherapy combinations are the current standard of care in the frontline setting for metastatic UCC. Even with these treatments the median overall survival is estimated to be about 15 months. Recently, immune checkpoint inhibitors (ICIs) have demonstrated superior clinical benefits compared to second line chemotherapy in UCC treatment. However only a minority of patients (~20%) respond to ICIs, which highlights the need to better understand the mechanisms behind resistance. In this review, we (i) examine the pathophysiology of Wnt/β-catenin signaling, (ii) discuss pre-clinical evidence that supports the combination of Wnt/β-catenin inhibitors and ICI, and (iii) propose future combination treatments that could be investigated through clinical trials.
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Affiliation(s)
| | | | | | - Yung Lyou
- Department of Medical Oncology & Experimental Therapeutics, City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA; (A.C.-R.); (T.B.D.); (S.K.P.)
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te Paske IBAW, Ligtenberg MJL, Hoogerbrugge N, de Voer RM. Candidate Gene Discovery in Hereditary Colorectal Cancer and Polyposis Syndromes-Considerations for Future Studies. Int J Mol Sci 2020; 21:E8757. [PMID: 33228212 PMCID: PMC7699508 DOI: 10.3390/ijms21228757] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/17/2020] [Accepted: 11/18/2020] [Indexed: 12/15/2022] Open
Abstract
To discover novel high-penetrant risk loci for hereditary colorectal cancer (hCRC) and polyposis syndromes many whole-exome and whole-genome sequencing (WES/WGS) studies have been performed. Remarkably, these studies resulted in only a few novel high-penetrant risk genes. Given this observation, the possibility and strategy to identify high-penetrant risk genes for hCRC and polyposis needs reconsideration. Therefore, we reviewed the study design of WES/WGS-based hCRC and polyposis gene discovery studies (n = 37) and provide recommendations to optimize discovery and validation strategies. The group of genetically unresolved patients is phenotypically heterogeneous, and likely composed of distinct molecular subtypes. This knowledge advocates for the screening of a homogeneous, stringently preselected discovery cohort and obtaining multi-level evidence for variant pathogenicity. This evidence can be collected by characterizing the molecular landscape of tumors from individuals with the same affected gene or by functional validation in cell-based models. Together, the combined approach of a phenotype-driven, tumor-based candidate gene search might elucidate the potential contribution of novel genetic predispositions in genetically unresolved hCRC and polyposis.
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Affiliation(s)
- Iris B. A. W. te Paske
- Department of Human Genetics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands; (I.B.A.W.t.P.); (M.J.L.L.); (N.H.)
| | - Marjolijn J. L. Ligtenberg
- Department of Human Genetics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands; (I.B.A.W.t.P.); (M.J.L.L.); (N.H.)
- Department of Pathology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Nicoline Hoogerbrugge
- Department of Human Genetics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands; (I.B.A.W.t.P.); (M.J.L.L.); (N.H.)
| | - Richarda M. de Voer
- Department of Human Genetics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands; (I.B.A.W.t.P.); (M.J.L.L.); (N.H.)
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Leite JS, Tralhão JG, Manso A, Fernandes M, Cunha I, Amaro P. Pancreas- and Pylorus-Preserving Duodenectomy for Advanced Familial Duodenal Polyposis. GE-PORTUGUESE JOURNAL OF GASTROENTEROLOGY 2020; 27:185-191. [PMID: 32509924 DOI: 10.1159/000503010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 08/29/2019] [Indexed: 11/19/2022]
Abstract
Most patients with familial adenomatous polyposis (FAP) will develop duodenal polyps and 5% progress to cancer. Those with Spigelman stage IV have a 36% risk of cancer at 10 years. Endoscopic surveillance is necessary with local ablation for early disease. Unresectable duodenal disease and severe dysplasia are an indication for prophylactic radical surgery by pancreaticoduodenectomy or pancreas-sparing duodenectomy. Some preliminary results have shown better outcomes with duodenectomy. A 45-year-old female with FAP had restorative proctocolectomy at 24 years, desmoid of the mesentery with regression after sulindac, two pregnancies, and at the age of 37 years had duodenal polyposis stage III carpeting the periampullary region. Endoscopic papillectomy and extensive piecemeal mucosectomy was performed but was unsuccessful due to recurrence. After 7 years of regular endoscopic surveillance, focal high-grade dysplasia was diagnosed at the last evaluation. Some diminutive polyps were seen in the small-bowel capsule endoscopy. MRCP showed a normal biliary and pancreatic duct without visualization of the Santorini duct. A pancreas and pylorus-preserving duodenectomy was performed with 3 main steps: (1) duodenectomy with preservation of the pancreas and the pylorus; (2) reconstruction with an advanced jejunal limb and duodenojejunostomy; (3) reimplantation of the biliary and pancreatic duct in the jejunal loop. The patient was discharged on the 11th postoperative day without complications. In conclusion, pancreas- and pylorus-preserving duodenectomy is a promising alternative to pancreaticoduodenectomy for advanced duodenal polyposis that allows complete endoscopic surveillance.
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Affiliation(s)
- Júlio S Leite
- Serviço de Cirurgia Geral, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - José Guilherme Tralhão
- Serviço de Cirurgia Geral, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - António Manso
- Serviço de Cirurgia Geral, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Miguel Fernandes
- Serviço de Cirurgia Geral, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Inês Cunha
- Serviço de Gastrenterologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Pedro Amaro
- Serviço de Gastrenterologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
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Elliot A, Myllymäki H, Feng Y. Inflammatory Responses during Tumour Initiation: From Zebrafish Transgenic Models of Cancer to Evidence from Mouse and Man. Cells 2020; 9:cells9041018. [PMID: 32325966 PMCID: PMC7226149 DOI: 10.3390/cells9041018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/08/2020] [Accepted: 04/14/2020] [Indexed: 12/12/2022] Open
Abstract
The zebrafish is now an important model organism for cancer biology studies and provides unique and complementary opportunities in comparison to the mammalian equivalent. The translucency of zebrafish has allowed in vivo live imaging studies of tumour initiation and progression at the cellular level, providing novel insights into our understanding of cancer. Here we summarise the available transgenic zebrafish tumour models and discuss what we have gleaned from them with respect to cancer inflammation. In particular, we focus on the host inflammatory response towards transformed cells during the pre-neoplastic stage of tumour development. We discuss features of tumour-associated macrophages and neutrophils in mammalian models and present evidence that supports the idea that these inflammatory cells promote early stage tumour development and progression. Direct live imaging of tumour initiation in zebrafish models has shown that the intrinsic inflammation induced by pre-neoplastic cells is tumour promoting. Signals mediating leukocyte recruitment to pre-neoplastic cells in zebrafish correspond to the signals that mediate leukocyte recruitment in mammalian tumours. The activation state of macrophages and neutrophils recruited to pre-neoplastic cells in zebrafish appears to be heterogenous, as seen in mammalian models, which provides an opportunity to study the plasticity of innate immune cells during tumour initiation. Although several potential mechanisms are described that might mediate the trophic function of innate immune cells during tumour initiation in zebrafish, there are several unknowns that are yet to be resolved. Rapid advancement of genetic tools and imaging technologies for zebrafish will facilitate research into the mechanisms that modulate leukocyte function during tumour initiation and identify targets for cancer prevention.
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Affiliation(s)
| | | | - Yi Feng
- Correspondence: ; Tel.: +44-(0)131-242-6685
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Bürtin F, Mullins CS, Linnebacher M. Mouse models of colorectal cancer: Past, present and future perspectives. World J Gastroenterol 2020; 26:1394-1426. [PMID: 32308343 PMCID: PMC7152519 DOI: 10.3748/wjg.v26.i13.1394] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 03/05/2020] [Accepted: 03/09/2020] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer (CRC) is the third most common diagnosed malignancy among both sexes in the United States as well as in the European Union. While the incidence and mortality rates in western, high developed countries are declining, reflecting the success of screening programs and improved treatment regimen, a rise of the overall global CRC burden can be observed due to lifestyle changes paralleling an increasing human development index. Despite a growing insight into the biology of CRC and many therapeutic improvements in the recent decades, preclinical in vivo models are still indispensable for the development of new treatment approaches. Since the development of carcinogen-induced rodent models for CRC more than 80 years ago, a plethora of animal models has been established to study colon cancer biology. Despite tenuous invasiveness and metastatic behavior, these models are useful for chemoprevention studies and to evaluate colitis-related carcinogenesis. Genetically engineered mouse models (GEMM) mirror the pathogenesis of sporadic as well as inherited CRC depending on the specific molecular pathways activated or inhibited. Although the vast majority of CRC GEMM lack invasiveness, metastasis and tumor heterogeneity, they still have proven useful for examination of the tumor microenvironment as well as systemic immune responses; thus, supporting development of new therapeutic avenues. Induction of metastatic disease by orthotopic injection of CRC cell lines is possible, but the so generated models lack genetic diversity and the number of suited cell lines is very limited. Patient-derived xenografts, in contrast, maintain the pathological and molecular characteristics of the individual patient’s CRC after subcutaneous implantation into immunodeficient mice and are therefore most reliable for preclinical drug development – even in comparison to GEMM or cell line-based analyses. However, subcutaneous patient-derived xenograft models are less suitable for studying most aspects of the tumor microenvironment and anti-tumoral immune responses. The authors review the distinct mouse models of CRC with an emphasis on their clinical relevance and shed light on the latest developments in the field of preclinical CRC models.
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Affiliation(s)
- Florian Bürtin
- Department of General, Visceral, Vascular and Transplantation Surgery, University Medical Center Rostock, University of Rostock, Rostock 18057, Germany
| | - Christina S Mullins
- Department of Thoracic Surgery, University Medical Center Rostock, University of Rostock, Rostock 18057, Germany
| | - Michael Linnebacher
- Molecular Oncology and Immunotherapy, Department of General, Visceral, Vascular and Transplantation Surgery, University Medical Center Rostock, Rostock 18057, Germany
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Grazioso TP, Brandt M, Djouder N. Diet, Microbiota, and Colorectal Cancer. iScience 2019; 21:168-187. [PMID: 31669832 PMCID: PMC6889474 DOI: 10.1016/j.isci.2019.10.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 07/03/2019] [Accepted: 10/02/2019] [Indexed: 02/07/2023] Open
Abstract
The intestinal epithelium is a very dynamic tissue under a high regenerative pressure, which makes it susceptible to malignant transformation. Proper integration of various cell signaling pathways and a balanced cross talk between different cell types composing the organ are required to maintain intestinal homeostasis. Dysregulation of this balance can lead to colorectal cancer (CRC). Here, we review important insights into molecular and cellular mechanisms of CRC. We discuss how perturbation in complex regulatory networks, including the Wnt, Notch, BMP, and Hedgehog pathways; and how variations in inflammatory signaling, nutrients, and microbiota can affect intestinal homeostasis contributing to the malignant transformation of intestinal cells.
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Affiliation(s)
- Tatiana P Grazioso
- Molecular Oncology Programme, Growth Factors, Nutrients and Cancer Group, Centro Nacional Investigaciones Oncológicas, CNIO, Madrid 28029, Spain
| | - Marta Brandt
- Molecular Oncology Programme, Growth Factors, Nutrients and Cancer Group, Centro Nacional Investigaciones Oncológicas, CNIO, Madrid 28029, Spain
| | - Nabil Djouder
- Molecular Oncology Programme, Growth Factors, Nutrients and Cancer Group, Centro Nacional Investigaciones Oncológicas, CNIO, Madrid 28029, Spain.
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Karstensen JG, Burisch J, Pommergaard HC, Aalling L, Højen H, Jespersen N, Schmidt PN, Bülow S. Colorectal Cancer in Individuals With Familial Adenomatous Polyposis, Based on Analysis of the Danish Polyposis Registry. Clin Gastroenterol Hepatol 2019; 17:2294-2300.e1. [PMID: 30743005 DOI: 10.1016/j.cgh.2019.02.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 01/10/2019] [Accepted: 02/03/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Familial adenomatous polyposis (FAP) is an autosomal dominant disorder that increases risk for colorectal cancer (CRC). We assessed changes in the incidence and prevalence of CRC, and survival times, of patients with FAP participating in the Danish follow-up study. METHODS We collected data from the Danish Polyposis Registry, a nationwide, complete registry of patients with FAP that includes clinical information, surgical procedures, follow-up findings, and pathology reports. We compared data between the periods of 1990-1999 and 2000-2017. In 2017, the registry contained 226 families with 721 individuals with FAP. Probands were defined as patients diagnosed based on bowel symptoms, without any knowledge of hereditary bowel disease. Call-up patients were defined as those found to have FAP during screening and due to a diagnosis of FAP in first-degree relatives. RESULTS Although the mean incidence rate of FAP was stable from 1990-1999 (0.19/100,000/year) to 2000-2017 (0.32/100,000/year) (P = .91), the point prevalence increased from 4.86/100,000 in 1999 to 6.11/100,000 by the end of 2017 (P = .005). During 2000-2017, 25 of 72,218 CRC cases were associated with FAP (0.03%)-this was a significant decrease from 1990-1999 (26/30,005 cases; 0.09%) (P = .001). The risk of CRC was significantly higher for probands (n = 191; 61.6%) than call-up cases (n = 5; 1.9%) (P < .001). All CRCs in call-up patients were detected at the diagnosis of FAP (no cases were identified in the follow-up program). The median life expectancy for call-up patients was 72.0 years (95% CI, 63.3-80.7), compared to 55.0 years for probands (95% CI, 51.2-58.8) (P < .001). Therefore, the tracing and follow-up program increased life expectancy by 17.0 years for first-degree family members. CONCLUSION The Danish Polyposis Registry enables close monitoring of patients with FAP, reducing risk of CRC and prolonging life.
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Affiliation(s)
- John Gásdal Karstensen
- Danish Polyposis Registry, Gastro Unit, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark.
| | - Johan Burisch
- Danish Polyposis Registry, Gastro Unit, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
| | | | - Lisa Aalling
- Danish Polyposis Registry, Gastro Unit, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
| | - Helle Højen
- Danish Polyposis Registry, Gastro Unit, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
| | - Niels Jespersen
- Danish Polyposis Registry, Gastro Unit, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
| | - Palle Nordblad Schmidt
- Danish Polyposis Registry, Gastro Unit, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
| | - Steffen Bülow
- Danish Polyposis Registry, Gastro Unit, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
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Effect of Adenomatous Polyposis Coli Loss on Tumorigenic Potential in Pancreatic Ductal Adenocarcinoma. Cells 2019; 8:cells8091084. [PMID: 31540078 PMCID: PMC6770120 DOI: 10.3390/cells8091084] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 09/10/2019] [Accepted: 09/11/2019] [Indexed: 12/27/2022] Open
Abstract
Loss of the Adenomatous Polyposis Coli (APC) tumor suppressor in colorectal cancer elicits rapid signaling through the Wnt/β-catenin signaling pathway. In contrast to this well-established role of APC, recent studies from our laboratory demonstrated that APC functions through Wnt-independent pathways to mediate in vitro and in vivo models of breast tumorigenesis. Pancreatic ductal adenocarcinoma (PDAC) has an overall median survival of less than one year with a 5-year survival rate of 7.2%. APC is lost in a subset of pancreatic cancers, but the impact on Wnt signaling or tumor development is unclear. Given the lack of effective treatment strategies for pancreatic cancer, it is important to understand the functional implications of APC loss in pancreatic cancer cell lines. Therefore, the goal of this project is to study how APC loss affects Wnt pathway activation and in vitro tumor phenotypes. Using lentiviral shRNA, we successfully knocked down APC expression in six pancreatic cancer cell lines (AsPC-1, BxPC3, L3.6pl, HPAF-II, Hs 766T, MIA PaCa-2). No changes were observed in localization of β-catenin or reporter assays to assess β-catenin/TCF interaction. Despite this lack of Wnt/β-catenin pathway activation, the majority of APC knockdown cell lines exhibit an increase in cell proliferation. Cell migration assays showed that the BxPC-3 and L3.6pl cells were impacted by APC knockdown, showing faster wound healing in scratch wound assays. Interestingly, APC knockdown had no effect on gemcitabine treatment, which is the standard care for pancreatic cancer. It is important to understand the functional implications of APC loss in pancreatic cancer cells lines, which could be used as a target for therapeutics.
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Walsh RM, Augustin T, Aleassa EM, Simon R, El-Hayek KM, Moslim MA, Burke CA, Church JM, Morris-Stiff G. Comparison of pancreas-sparing duodenectomy (PSD) and pancreatoduodenectomy (PD) for the management of duodenal polyposis syndromes. Surgery 2019; 166:496-502. [PMID: 31474487 DOI: 10.1016/j.surg.2019.05.060] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/16/2019] [Accepted: 05/27/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Familial adenomatous polyposis affects primarily the colon but can also involve other locations within the gastrointestinal tract, including the duodenum. The aim of this study was to describe a single center experience with pancreas-sparing duodenectomy for familial adenomatous polyposis and to compare outcomes with pancreatoduodenectomy performed for duodenal polyp disease. PATIENTS AND METHODS A retrospective review of a prospectively maintained database identified patients who had undergone pancreas-sparing duodenectomy during the period 2001 to 2016. This population was matched 1:1 with a cohort of patients undergoing pancreatoduodenectomy for duodenal adenomas, both sporadic and familial, during the same time period. Baseline demographics and perioperative (short- and long-term) outcomes were compared. RESULTS A total of 88 patients were included; 44 in each group. The pancreas-sparing duodenectomy cohort was younger (52.6 vs 64.3 years; P < .001) and more patients had undergone prior colectomy (100% vs 32%; P < .001) or additional prior abdominal surgery (27% vs 9% (P < .001). Median operative times were greater for pancreatoduodenectomy (391 vs 460 min; P = .002). There was no difference in any of the early postoperative complications. There was 1 30-day mortality in the pancreatoduodenectomy group secondary to aspiration. Late acute pancreatitis was more common after pancreas-sparing duodenectomy (16% vs 0%; P = .012) and exocrine pancreatic insufficiency was more common after pancreatoduodenectomy (30% vs 11%; P = .034). CONCLUSION Pancreas-sparing duodenectomy is a reasonable option for duodenal cancer prophylaxis in familial adenomatous polyposis with high-risk features. The perioperative safety profile is comparable to pancreatoduodenectomy done for similar indications, and pancreas-sparing duodenectomy has a favorable long-term with a lesser incidence of exocrine impairment.
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Affiliation(s)
- R Matthew Walsh
- Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, OH.
| | - Toms Augustin
- Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, OH
| | - Essa M Aleassa
- Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, OH
| | - Robert Simon
- Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, OH
| | - Kevin M El-Hayek
- Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, OH
| | - Maitham A Moslim
- Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, OH
| | - Carol A Burke
- Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, OH
| | - James M Church
- Digestive Disease and Surgery Institute, Cleveland Clinic Foundation, OH
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von Holst S, Jiao X, Liu W, Kontham V, Thutkawkorapin J, Ringdahl J, Bryant P, Lindblom A. Linkage analysis revealed risk loci on 6p21 and 18p11.2-q11.2 in familial colon and rectal cancer, respectively. Eur J Hum Genet 2019; 27:1286-1295. [PMID: 30952955 PMCID: PMC6777498 DOI: 10.1038/s41431-019-0388-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 02/13/2019] [Accepted: 03/12/2019] [Indexed: 12/14/2022] Open
Abstract
Colorectal cancer (CRC) is one of the major cancer types in the western world including Sweden. However, known genetic risk factors could only explain a limited part of heritability of the disease. Moreover, colon and rectal cancers are habitually discussed as one entity, colorectal cancer, although different carcinogenesis has been recognized. A genome-wide linkage scan in 32 colon- and 56 rectal cancer families from Sweden was performed based on 475 non-FAP/HNPCC patients genotyped using SNP arrays. A maximum HLOD of 2.50 at locus 6p21.1-p12.1 and a HLOD of 2.56 at 18p11.2 was obtained for colon and rectal cancer families, respectively. Exome sequencing over the regions of interest in 12 patients from six families identified 22 and 25 candidate risk variants for colon and rectal cancer, respectively. Haplotype association analysis in the two regions was carried out between additional 477 familial CRC cases and 4780 controls and suggested candidate haplotypes possibly associated with CRC risk. This study suggested two new linkage regions for colon cancer and rectal cancer with candidate predisposing variants. Further studies are required to elucidate the pathogenic mechanism of these regions and to pinpoint the causative genes.
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Affiliation(s)
- Susanna von Holst
- Department of Molecular Medicine and Surgery, Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Xiang Jiao
- Department of Molecular Medicine and Surgery, Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Wen Liu
- Department of Molecular Medicine and Surgery, Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Vinaykumar Kontham
- Department of Molecular Medicine and Surgery, Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Jessada Thutkawkorapin
- Department of Molecular Medicine and Surgery, Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Jenny Ringdahl
- Department of Molecular Medicine and Surgery, Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Patrick Bryant
- Department of Molecular Medicine and Surgery, Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Annika Lindblom
- Department of Molecular Medicine and Surgery, Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital, 171 76, Stockholm, Sweden.
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Abstract
Cancer is a common non-communicable disease worldwide, although it exhibits differential population trends in incidence and mortality rates. The differences relate to population structure, environmental risk factors as well as health system organization. This article discusses the potential impact of genetic testing on population health, focusing in particular on the mutational spectrum of breast cancer susceptibility genes in diverse populations. We identify the need for improved access to, and increased investment in, comprehensive cancer risk assessment and genetic testing as well as cancer control measures that take into account lifestyle, environmental, and social factors in understudied minority groups.
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49
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Abstract
Familial adenomatous polyposis (FAP) is an autosomal dominant genetic disease with a high tendency to develop colorectal cancer. The timing and choice of preventive surgical interventions should be based on the number, size and severity of adenomas, combined with a variety of considerations, in order to effectively prevent cancer and make patients easy to accept. Total proctocolectomy and ileal pouch-anal anastomosis (IPAA) procedure, which could minimize the residual rectal mucosa and reduce the risk of adenoma recurrence, has become the first choice for patients with FAP. Besides, laparoscopic IPAA has obvious advantages such as cosmetic appearance, quick recovery, little adhesion and high pregnancy rate. Patients with FAP should be managed by experienced surgeons working in specialized medical centers in order to get the most reasonable treatment at the best time and achieve long-term effective outcomes.
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Affiliation(s)
- Kai-Yu Li
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Gang Liu
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin 300052, China
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50
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Ashburn JH. Management of rectal neoplasia in hereditary colorectal cancer patients. SEMINARS IN COLON AND RECTAL SURGERY 2018. [DOI: 10.1053/j.scrs.2018.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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