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Allen-Brady K, Moore B, Verrilli LE, Alvord MA, Kern M, Camp N, Kelley K, Letourneau J, Cannon-Albright L, Yandell M, Johnstone EB, Welt CK. Breast Cancer is Increased in Women with Primary Ovarian Insufficiency. J Clin Endocrinol Metab 2024:dgae480. [PMID: 38996041 DOI: 10.1210/clinem/dgae480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/26/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
CONTEXT DNA damage/repair gene variants are associated with both primary ovarian insufficiency (POI) and cancer risk. OBJECTIVE We hypothesized that a subset of women with POI and family members would have increased risk for cancer. DESIGN Case-control population-based study using records from 1995-2022. SETTING Two major Utah academic healthcare systems serving 85% of the state. SUBJECTS Women with POI (n=613) were identified using ICD codes and reviewed for accuracy. Relatives were linked using the Utah Population Database. INTERVENTION Cancer diagnoses were identified using the Utah Cancer Registry. MAIN OUTCOME MEASURES The relative risk of cancer in women with POI and relatives was estimated by comparison to population rates. Whole genome sequencing was performed on a subset of women. RESULTS Breast cancer was increased in women with POI (OR [95%CI] 2.20 [1.30, 3.47]; p=0.0023) and there was a nominally significant increase in ovarian cancer. Probands with POI were 36.5±4.3 years and 59.5±12.7 years when diagnosed with POI and cancer, respectively. Causal and candidate gene variants for cancer and POI were identified.Among second-degree relatives of these women, there was an increased risk of breast (1.28 [1.08, 1.52]; p=0.0078) and colon cancer (1.50 [1.14, 1.94]; p=0.0036). Prostate cancer was increased in first- (1.64 [1.18, 2.23]; p=0.0026), second- (1.54 [1.32, 1.79]; p<0.001), and third-degree relatives (1.33 [1.20, 1.48]; p<0.001). CONCLUSIONS Data suggest common genetic risk for POI and reproductive cancers. Tools are needed to predict cancer risk in women with POI and potentially to counsel about risks of hormone replacement therapy.
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Affiliation(s)
- Kristina Allen-Brady
- Division of Epidemiology, Department of Internal Medicine, 295 Chipeta Way, Salt Lake City, UT 84108
| | - Barry Moore
- Utah Center for Genetic Discovery, Department of Human Genetics, University of Utah, Salt Lake City, UT 84112 USA
| | - Lauren E Verrilli
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Utah School of Medicine, 675 Arapeen Drive, Salt Lake City, UT 84112
- Intermountain Healthcare, 5121 Cottonwood St., Murray, UT 84107
| | - Margaret A Alvord
- Division of Endocrinology, Metabolism and Diabetes, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT 84112
| | - Marina Kern
- Division of Endocrinology, Metabolism and Diabetes, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT 84112
| | - Nicola Camp
- Huntsman Cancer Institute and Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT 84132
| | - Kristen Kelley
- Huntsman Cancer Institute and Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT 84132
| | - Joseph Letourneau
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Utah School of Medicine, 675 Arapeen Drive, Salt Lake City, UT 84112
| | - Lisa Cannon-Albright
- Division of Epidemiology, Department of Internal Medicine, 295 Chipeta Way, Salt Lake City, UT 84108
| | - Mark Yandell
- Utah Center for Genetic Discovery, Department of Human Genetics, University of Utah, Salt Lake City, UT 84112 USA
| | - Erica B Johnstone
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Utah School of Medicine, 675 Arapeen Drive, Salt Lake City, UT 84112
| | - Corrine K Welt
- Division of Endocrinology, Metabolism and Diabetes, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT 84112
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Valle L, Monahan KJ. Genetic predisposition to gastrointestinal polyposis: syndromes, tumour features, genetic testing, and clinical management. Lancet Gastroenterol Hepatol 2024; 9:68-82. [PMID: 37931640 DOI: 10.1016/s2468-1253(23)00240-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 11/08/2023]
Abstract
Gastrointestinal tract polyposis is characterised by the presence of multiple polyps, particularly in the colorectum, and encompasses both cancer predisposition genetic syndromes and non-syndromic clinical manifestations. The sources of the heterogeneity observed in polyposis syndromes relate to genetic cause, mode of inheritance, polyp burden and histological type, and spectrum and frequency of extracolonic manifestations. These features determine the clinical management of carriers, including strategies for cancer prevention and early detection, and oncological treatments. Despite substantial progress in identifying the genetic causes of polyposis, a large proportion of cases remain genetically unexplained. Although some of these cases might be due to lifestyle, environmental factors, or cancer treatments, it is likely that additional polyposis predisposition genes will be identified. This Review provides an overview of the known syndromes and genes, genetic testing, and clinical management of patients with polyposis, and recent advances and challenges in the field of gastrointestinal polyposis.
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Affiliation(s)
- Laura Valle
- Hereditary Cancer Programme, Catalan Institute of Oncology, Oncobell Programme, IDIBELL, Hospitalet de Llobregat, Barcelona, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.
| | - Kevin J Monahan
- The St Mark's Centre for Familial Intestinal Cancer Lynch Syndrome & Family Cancer Clinic & Polyposis Registry, St Mark's Hospital, London, UK; Imperial College, London, UK.
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Helderman NC, Terlouw D, Bonjoch L, Golubicki M, Antelo M, Morreau H, van Wezel T, Castellví-Bel S, Goldberg Y, Nielsen M. Molecular functions of MCM8 and MCM9 and their associated pathologies. iScience 2023; 26:106737. [PMID: 37378315 PMCID: PMC10291252 DOI: 10.1016/j.isci.2023.106737] [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] [Indexed: 06/29/2023] Open
Abstract
Minichromosome Maintenance 8 Homologous Recombination Repair Factor (MCM8) and Minichromosome Maintenance 9 Homologous Recombination Repair Factor (MCM9) are recently discovered minichromosome maintenance proteins and are implicated in multiple DNA-related processes and pathologies, including DNA replication (initiation), meiosis, homologous recombination and mismatch repair. Consistent with these molecular functions, variants of MCM8/MCM9 may predispose carriers to disorders such as infertility and cancer and should therefore be included in relevant diagnostic testing. In this overview of the (patho)physiological functions of MCM8 and MCM9 and the phenotype of MCM8/MCM9 variant carriers, we explore the potential clinical implications of MCM8/MCM9 variant carriership and highlight important future directions of MCM8 and MCM9 research. With this review, we hope to contribute to better MCM8/MCM9 variant carrier management and the potential utilization of MCM8 and MCM9 in other facets of scientific research and medical care.
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Affiliation(s)
| | - Diantha Terlouw
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, the Netherlands
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Laia Bonjoch
- Gastroenterology Department, Institut d’Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Hospital Clínic, Universitat de Barcelona, Barcelona, Spain
| | - Mariano Golubicki
- Oncology Section and Molecular Biology Laboratory, Hospital of Gastroenterology "Dr. C.B. Udaondo", Buenos Aires, Argentina
| | - Marina Antelo
- Oncology Section and Molecular Biology Laboratory, Hospital of Gastroenterology "Dr. C.B. Udaondo", Buenos Aires, Argentina
| | - Hans Morreau
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Tom van Wezel
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Sergi Castellví-Bel
- Gastroenterology Department, Institut d’Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Hospital Clínic, Universitat de Barcelona, Barcelona, Spain
| | - Yael Goldberg
- Raphael Recanati Genetic Institute, Rabin Medical Center-Beilinson Hospital, Petah Tikva, Israel
| | - Maartje Nielsen
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, the Netherlands
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Song H, Shen R, Mahasin H, Guo Y, Wang D. DNA replication: Mechanisms and therapeutic interventions for diseases. MedComm (Beijing) 2023; 4:e210. [PMID: 36776764 PMCID: PMC9899494 DOI: 10.1002/mco2.210] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 01/08/2023] [Accepted: 01/09/2023] [Indexed: 02/09/2023] Open
Abstract
Accurate and integral cellular DNA replication is modulated by multiple replication-associated proteins, which is fundamental to preserve genome stability. Furthermore, replication proteins cooperate with multiple DNA damage factors to deal with replication stress through mechanisms beyond their role in replication. Cancer cells with chronic replication stress exhibit aberrant DNA replication and DNA damage response, providing an exploitable therapeutic target in tumors. Numerous evidence has indicated that posttranslational modifications (PTMs) of replication proteins present distinct functions in DNA replication and respond to replication stress. In addition, abundant replication proteins are involved in tumorigenesis and development, which act as diagnostic and prognostic biomarkers in some tumors, implying these proteins act as therapeutic targets in clinical. Replication-target cancer therapy emerges as the times require. In this context, we outline the current investigation of the DNA replication mechanism, and simultaneously enumerate the aberrant expression of replication proteins as hallmark for various diseases, revealing their therapeutic potential for target therapy. Meanwhile, we also discuss current observations that the novel PTM of replication proteins in response to replication stress, which seems to be a promising strategy to eliminate diseases.
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Affiliation(s)
- Hao‐Yun Song
- School of Basic Medical SciencesLanzhou UniversityLanzhouGansuChina
| | - Rong Shen
- School of Basic Medical SciencesLanzhou UniversityLanzhouGansuChina
| | - Hamid Mahasin
- School of Basic Medical SciencesLanzhou UniversityLanzhouGansuChina
| | - Ya‐Nan Guo
- School of Basic Medical SciencesLanzhou UniversityLanzhouGansuChina
| | - De‐Gui Wang
- School of Basic Medical SciencesLanzhou UniversityLanzhouGansuChina
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The Role of MCM9 in the Etiology of Sertoli Cell-Only Syndrome and Premature Ovarian Insufficiency. J Clin Med 2023; 12:jcm12030990. [PMID: 36769638 PMCID: PMC9917496 DOI: 10.3390/jcm12030990] [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: 12/03/2022] [Revised: 01/12/2023] [Accepted: 01/25/2023] [Indexed: 02/01/2023] Open
Abstract
Infertility in couples is a common problem, with both female and male factors contributing to similar extents. Severe, congenital disorders affecting fertility are, however, rare. While folliculogenesis and spermatogenesis are generally orchestrated via different mechanisms, some genetic anomalies can impair both female and male gametogenesis. Minichromosome maintenance complex component 9 (MCM9) is involved in DNA repair and mutations of the MCM9 gene have been previously reported in females with premature ovarian insufficiency (POI). MCM9 is also an emerging cancer risk gene. We performed next-generation and Sanger sequencing of fertility and related genes and hormonal and imaging studies in a kindred whose members had POI and disordered spermatogenesis. We identified a homozygous pathogenic MCM9 variant, c.394C>T (p.Arg132*) in three sisters affected by POI due to ovarian dysgenesis and their brother who had normal pubertal development but suffered from non-obstructive azoospermia. Testicular biopsy revealed Sertoli cell-only testicular histopathology. No evidence of early onset cancer was found in the homozygotic family members, but they were all young (<30 years) at the time of the study. In the male patient the homozygous MCM9 variant led to normal pubertal development and hormonal levels but caused a Sertoli-cell-only syndrome with non-obstructive azoospermia. In the homozygous females studied, the clinical, hormonal, and gonadal phenotypes revealed ovarian dysgenesis consistent with previous reports. Active screening for potential colorectal and other cancer risks in the homozygotic MCM9 subjects has been instigated.
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Griffin WC, McKinzey DR, Klinzing KN, Baratam R, Eliyapura A, Trakselis MA. A multi-functional role for the MCM8/9 helicase complex in maintaining fork integrity during replication stress. Nat Commun 2022; 13:5090. [PMID: 36042199 PMCID: PMC9427862 DOI: 10.1038/s41467-022-32583-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 08/05/2022] [Indexed: 02/05/2023] Open
Abstract
The minichromosome maintenance (MCM) 8/9 helicase is a AAA+ complex involved in DNA replication-associated repair. Despite high sequence homology to the MCM2-7 helicase, a precise cellular role for MCM8/9 has remained elusive. We have interrogated the DNA synthesis ability and replication fork stability in cells lacking MCM8 or 9 and find that there is a functional partitioning of MCM8/9 activity between promoting replication fork progression and protecting persistently stalled forks. The helicase function of MCM8/9 aids in normal replication fork progression, but upon persistent stalling, MCM8/9 directs additional downstream stabilizers, including BRCA1 and Rad51, to protect forks from excessive degradation. Loss of MCM8 or 9 slows the overall replication rate and allows for excessive nascent strand degradation, detectable by increased markers of genomic damage. This evidence defines multifunctional roles for MCM8/9 in promoting normal replication fork progression and genome integrity following stress.
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Affiliation(s)
- Wezley C. Griffin
- grid.252890.40000 0001 2111 2894Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76706 USA ,grid.240871.80000 0001 0224 711XPresent Address: St. Jude Children’s Research Hospital, Memphis, TN 38105 USA
| | - David R. McKinzey
- grid.252890.40000 0001 2111 2894Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76706 USA
| | - Kathleen N. Klinzing
- grid.252890.40000 0001 2111 2894Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76706 USA
| | - Rithvik Baratam
- grid.252890.40000 0001 2111 2894Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76706 USA
| | - Achini Eliyapura
- grid.252890.40000 0001 2111 2894Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76706 USA
| | - Michael A. Trakselis
- grid.252890.40000 0001 2111 2894Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76706 USA
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Kohzaki M. Mammalian Resilience Revealed by a Comparison of Human Diseases and Mouse Models Associated With DNA Helicase Deficiencies. Front Mol Biosci 2022; 9:934042. [PMID: 36032672 PMCID: PMC9403131 DOI: 10.3389/fmolb.2022.934042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 06/23/2022] [Indexed: 12/01/2022] Open
Abstract
Maintaining genomic integrity is critical for sustaining individual animals and passing on the genome to subsequent generations. Several enzymes, such as DNA helicases and DNA polymerases, are involved in maintaining genomic integrity by unwinding and synthesizing the genome, respectively. Indeed, several human diseases that arise caused by deficiencies in these enzymes have long been known. In this review, the author presents the DNA helicases associated with human diseases discovered to date using recent analyses, including exome sequences. Since several mouse models that reflect these human diseases have been developed and reported, this study also summarizes the current knowledge regarding the outcomes of DNA helicase deficiencies in humans and mice and discusses possible mechanisms by which DNA helicases maintain genomic integrity in mammals. It also highlights specific diseases that demonstrate mammalian resilience, in which, despite the presence of genomic instability, patients and mouse models have lifespans comparable to those of the general population if they do not develop cancers; finally, this study discusses future directions for therapeutic applications in humans that can be explored using these mouse models.
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Nonmalignant Features Associated with Inherited Colorectal Cancer Syndromes-Clues for Diagnosis. Cancers (Basel) 2022; 14:cancers14030628. [PMID: 35158896 PMCID: PMC8833640 DOI: 10.3390/cancers14030628] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/22/2022] [Accepted: 01/23/2022] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Familiarity with nonmalignant features and comorbidities of cancer predisposition syndromes may raise awareness and assist clinicians in the diagnosis and interpretation of molecular test results. Genetic predisposition to colorectal cancer (CRC) should be suspected mainly in young patients, in patients with significant family histories, multiple polyps, mismatch repair-deficient tumors, and in association with malignant or nonmalignant comorbidities. The aim of this review is to describe the main nonmalignant comorbidities associated with selected CRC predisposition syndromes that may serve as valuable diagnostic clues for clinicians and genetic professionals. Abstract Genetic diagnosis of affected individuals and predictive testing of their at-risk relatives, combined with intensive cancer surveillance, has an enormous cancer-preventive potential in these families. A lack of awareness may be part of the reason why the underlying germline cause remains unexplained in a large proportion of patients with CRC. Various extracolonic features, mainly dermatologic, ophthalmic, dental, endocrine, vascular, and reproductive manifestations occur in many of the cancer predisposition syndromes associated with CRC and polyposis. Some are mediated via the WNT, TGF-β, or mTOR pathways. However the pathogenesis of most features is still obscure. Here we review the extracolonic features of the main syndromes, the existing information regarding their prevalence, and the pathways involved in their pathogenesis. This knowledge could be useful for care managers from different professional disciplines, and used to raise awareness, enable diagnosis, and assist in the process of genetic testing and interpretation.
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