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Pantaleo A, Forte G, Fasano C, Lepore Signorile M, Sanese P, De Marco K, Di Nicola E, Latrofa M, Grossi V, Disciglio V, Simone C. Understanding the Genetic Landscape of Pancreatic Ductal Adenocarcinoma to Support Personalized Medicine: A Systematic Review. Cancers (Basel) 2023; 16:56. [PMID: 38201484 PMCID: PMC10778202 DOI: 10.3390/cancers16010056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most fatal malignancies worldwide. While population-wide screening recommendations for PDAC in asymptomatic individuals are not achievable due to its relatively low incidence, pancreatic cancer surveillance programs are recommended for patients with germline causative variants in PDAC susceptibility genes or a strong family history. In this study, we sought to determine the prevalence and significance of germline alterations in major genes (ATM, BRCA1, BRCA2, CDKN2A, EPCAM, MLH1, MSH2, MSH6, PALB2, PMS2, STK11, TP53) involved in PDAC susceptibility. We performed a systematic review of PubMed publications reporting germline variants identified in these genes in PDAC patients. Overall, the retrieved articles included 1493 PDAC patients. A high proportion of these patients (n = 1225/1493, 82%) were found to harbor alterations in genes (ATM, BRCA1, BRCA2, PALB2) involved in the homologous recombination repair (HRR) pathway. Specifically, the remaining PDAC patients were reported to carry alterations in genes playing a role in other cancer pathways (CDKN2A, STK11, TP53; n = 181/1493, 12.1%) or in the mismatch repair (MMR) pathway (MLH1, MSH2, MSH6, PMS2; n = 87/1493, 5.8%). Our findings highlight the importance of germline genetic characterization in PDAC patients for better personalized targeted therapies, clinical management, and surveillance.
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Affiliation(s)
- Antonino Pantaleo
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Giovanna Forte
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Candida Fasano
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Martina Lepore Signorile
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Paola Sanese
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Katia De Marco
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Elisabetta Di Nicola
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Marialaura Latrofa
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Valentina Grossi
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Vittoria Disciglio
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
| | - Cristiano Simone
- Medical Genetics, National Institute of Gastroenterology-IRCCS “Saverio de Bellis” Research Hospital, 70013 Bari, Italy; (A.P.); (G.F.); (C.F.); (M.L.S.); (P.S.); (K.D.M.); (E.D.N.); (M.L.); (V.G.)
- Medical Genetics, Department of Precision and Regenerative Medicine and Jonic Area (DiMePRe-J), University of Bari Aldo Moro, 70124 Bari, Italy
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Gebhart P, Tan Y, Muhr D, Stein C, Singer C. A de Novo BRCA1 Pathogenic Variant in a 29-Year-Old Woman with Triple-Negative Breast Cancer. Breast Care (Basel) 2023; 18:412-416. [PMID: 37901051 PMCID: PMC10601672 DOI: 10.1159/000531612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/14/2023] [Indexed: 10/31/2023] Open
Abstract
Introduction Germline pathogenic variants in the BRCA1 and BRCA2 genes lead to a highly increased lifetime risk for breast and ovarian cancer. These variants are usually inherited and reports of de novo occurrences are a very rare phenomenon. Case Presentation We report on a breast cancer patient with a de novo BRCA1 variant c.121C>T (p.His41Tyr). The pathogenic variant was detected in leukocyte DNA of a patient with negative family history who had developed early onset, triple-negative breast cancer. The variant was not found in any of the maternal and paternal tissues tested, but it was detected in multiple samples representing all three germ layers of the affected carrier, which renders somatic mosaicism unlikely. Conclusion This case highlights the importance of including early onset of disease and triple negativity of the tumor as criteria for genetic testing, even in patients without family history. Considering the availability of effective breast cancer treatments in patients with pathogenic variants in the BRCA genes, this finding underscores the importance of genetic testing in breast cancer patients.
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Affiliation(s)
- Paulina Gebhart
- Department of Obstetrics and Gynecology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Yen Tan
- Department of Obstetrics and Gynecology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Daniela Muhr
- Department of Obstetrics and Gynecology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Christina Stein
- Center for Forensic Medicine, DNA Central Laboratory, Medical University of Vienna, Vienna, Austria
| | - Christian Singer
- Department of Obstetrics and Gynecology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
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Courant F, Bougras-Cartron G, Abadie C, Frenel JS, Cartron PF. Modulation of DNA Methylation/Demethylation Reactions Induced by Nutraceuticals and Pollutants of Exposome Can Promote a C > T Mutation in the Breast Cancer Predisposing Gene PALB2. EPIGENOMES 2022; 6:epigenomes6040032. [PMID: 36278678 PMCID: PMC9590087 DOI: 10.3390/epigenomes6040032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/15/2022] [Accepted: 09/21/2022] [Indexed: 11/26/2022] Open
Abstract
Background: Deregulation of DNA methylation/demethylation reactions may be the source of C > T mutation via active deamination of 5-methylcytosine to thymine. Exposome, that is to say, the totality of exposures to which an individual is subjected during their life, can deregulate these reactions. Thus, one may wonder whether the exposome can induce C > T mutations in the breast cancer-predisposing gene PALB2. Methods: Our work is based on the exposure of MCF10A mammary epithelial cells to seven compounds of our exposome (folate, Diuron, glyphosate, PFOA, iron, zinc, and ascorbic acid) alone or in cocktail. The qMSRE and RMS techniques were used to study the impact of these exposures on the level of methylation and mutation of the PALB2 gene. Results: Here, we have found that exposome compounds (nutriments, ions, pollutants) promoting the cytosine methylation and the 5-methylcytosine deamination have the ability to promote a specific C > T mutation in the PALB2 gene. Interestingly, we also noted that the addition of exposome compounds promoting the TET-mediated conversion of 5-methylcytosine (Ascorbic acid and iron) abrogates the presence of C > T mutation in the PALB2 gene. Conclusions: Our study provides a proof of concept supporting the idea that exposomes can generate genetic mutation by affecting DNA methylation/demethylation.
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Affiliation(s)
- Florestan Courant
- Nantes Université, Inserm, CNRS, Université d’Angers, CRCI2NA, 44000 Nantes, France
- SIRIC ILIAD, 44000 Nantes, France
| | - Gwenola Bougras-Cartron
- Nantes Université, Inserm, CNRS, Université d’Angers, CRCI2NA, 44000 Nantes, France
- SIRIC ILIAD, 44000 Nantes, France
- Institut de Cancérologie de l’Ouest, 44800 Saint-Herblain, France
| | - Caroline Abadie
- Institut de Cancérologie de l’Ouest, 44800 Saint-Herblain, France
| | - Jean-Sébastien Frenel
- Nantes Université, Inserm, CNRS, Université d’Angers, CRCI2NA, 44000 Nantes, France
- SIRIC ILIAD, 44000 Nantes, France
- Institut de Cancérologie de l’Ouest, 44800 Saint-Herblain, France
| | - Pierre-François Cartron
- Nantes Université, Inserm, CNRS, Université d’Angers, CRCI2NA, 44000 Nantes, France
- SIRIC ILIAD, 44000 Nantes, France
- Institut de Cancérologie de l’Ouest, 44800 Saint-Herblain, France
- Correspondence:
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Dehghanian F, Azhir Z, Khalilian S, Grüning B. Non-coding RNAs underlying the pathophysiological links between type 2 diabetes and pancreatic cancer: A systematic review. J Diabetes Investig 2022; 13:405-428. [PMID: 34859606 PMCID: PMC8902405 DOI: 10.1111/jdi.13727] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 11/11/2021] [Accepted: 11/30/2021] [Indexed: 12/21/2022] Open
Abstract
Type 2 diabetes is known as a risk factor for pancreatic cancer (PC). Various genetic and environmental factors cause both these global chronic diseases. The mechanisms that define their relationships are complex and poorly understood. Recent studies have implicated that metabolic abnormalities, including hyperglycemia and hyperinsulinemia, could lead to cell damage responses, cell transformation, and increased cancer risk. Hence, these kinds of abnormalities following molecular events could be essential to develop our understanding of this complicated link. Among different molecular events, focusing on shared signaling pathways including metabolic (PI3K/Akt/mTOR) and mitogenic (MAPK) pathways in addition to regulatory mechanisms of gene expression such as those involved in non-coding RNAs (miRNAs, circRNAs, and lncRNAs) could be considered as powerful tools to describe this association. A better understanding of the molecular mechanisms involved in the development of type 2 diabetes and pancreatic cancer would help us to find a new research area for developing therapeutic and preventive strategies. For this purpose, in this review, we focused on the shared molecular events resulting in type 2 diabetes and pancreatic cancer. First, a comprehensive literature review was performed to determine similar molecular pathways and non-coding RNAs; then, the final results were discussed in more detail.
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Affiliation(s)
- Fariba Dehghanian
- Department of Cell and Molecular Biology and MicrobiologyFaculty of Biological Science and TechnologyUniversity of IsfahanIsfahanIran
| | - Zahra Azhir
- Department of Cell and Molecular Biology and MicrobiologyFaculty of Biological Science and TechnologyUniversity of IsfahanIsfahanIran
| | - Sheyda Khalilian
- Department of Cell and Molecular Biology and MicrobiologyFaculty of Biological Science and TechnologyUniversity of IsfahanIsfahanIran
| | - Björn Grüning
- Department of Computer ScienceBioinformatics GroupUniversity of FreiburgFreiburgGermany
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Vanni VS, Campo G, Cioffi R, Papaleo E, Salonia A, Viganò P, Lambertini M, Candiani M, Meirow D, Orvieto R. The neglected members of the family: non-BRCA mutations in the Fanconi anemia/BRCA pathway and reproduction. Hum Reprod Update 2022; 28:296-311. [PMID: 35043201 DOI: 10.1093/humupd/dmab045] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 10/27/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND BReast CAncer (BRCA) genes are extensively studied in the context of fertility and reproductive aging. BRCA proteins are part of the DNA repair Fanconi anemia (FA)/BRCA pathway, in which more than 20 proteins are implicated. According to which gene is mutated and which interactions are lost owing to the mutation, carriers and patients with monoallelic or biallelic FA/BRCA mutations exhibit very different phenotypes, from overt FA to cancer predisposition or no pathological implications. The effect of the so far neglected non-BRCA FA mutations on fertility also deserves consideration. OBJECTIVE AND RATIONALE As improved treatments allow a longer life expectancy in patients with biallelic FA mutations and overt FA, infertility is emerging as a predominant feature. We thus reviewed the mechanisms for such a manifestation, as well as whether they also occur in monoallelic carriers of FA non-BRCA mutations. SEARCH METHODS Electronic databases PUBMED, EMBASE and CENTRAL were searched using the following term: 'fanconi' OR 'FANC' OR 'AND' 'fertility' OR 'pregnancy' OR 'ovarian reserve' OR 'spermatogenesis' OR 'hypogonadism'. All pertinent reports in the English-language literature were retrieved until May 2021 and the reference lists were systematically searched in order to identify any potential additional studies. OUTCOMES Biallelic FA mutations causing overt FA disease are associated with premature ovarian insufficiency (POI) occurring in the fourth decade in women and with primary non-obstructive azoospermia (NOA) in men. Hypogonadism in FA patients seems mainly associated with a defect in primordial germ cell proliferation in fetal life. In recent small, exploratory whole-exome sequencing studies, biallelic clinically occult mutations in the FA complementation group A (Fanca) and M (Fancm) genes were found in otherwise healthy patients with isolated NOA or POI, and also monoallelic carrier status for a loss-of-function mutation in Fanca has been implicated as a possible cause for POI. In those patients with known monoallelic FA mutations undergoing pre-implantation genetic testing, poor assisted reproduction outcomes are reported. However, the mechanisms underlying the repeated failures and the high miscarriage rates observed are not fully known. WIDER IMPLICATIONS The so far 'neglected' members of the FA/BRCA family will likely emerge as a relevant focus of investigation in the genetics of reproduction. Several (rather than a single) non-BRCA genes might be implicated. State-of-the-art methods, such as whole-genome/exome sequencing, and further exploratory studies are required to understand the prevalence and mechanisms for occult FA mutations in infertility and recurrent miscarriage.
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Affiliation(s)
- Valeria Stella Vanni
- Università Vita-Salute San Raffaele, Milan, Italy.,Obstetrics and Gynecology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | | | - Raffaella Cioffi
- Università Vita-Salute San Raffaele, Milan, Italy.,Obstetrics and Gynecology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Enrico Papaleo
- Obstetrics and Gynecology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Andrea Salonia
- Università Vita-Salute San Raffaele, Milan, Italy.,Division of Experimental Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Paola Viganò
- Reproductive Sciences Laboratory, Obstetrics and Gynecology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Matteo Lambertini
- Department of Medical Oncology, U.O.C Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino, Genova, Italy.,Department of Internal Medicine and Medical Specialties (DiMI), School of Medicine, University of Genova, Genova, Italy
| | - Massimo Candiani
- Università Vita-Salute San Raffaele, Milan, Italy.,Obstetrics and Gynecology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Dror Meirow
- Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel-Hashomer, Ramat Gan, Israel
| | - Raoul Orvieto
- Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel-Hashomer, Ramat Gan, Israel.,Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv-Yafo, Israel
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