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Iskander D, Roy NBA, Payne E, Drasar E, Hennessy K, Harrington Y, Christodoulidou C, Karadimitris A, Batkin L, de la Fuente J. Diamond-Blackfan anemia in adults: In pursuit of a common approach for a rare disease. Blood Rev 2023; 61:101097. [PMID: 37263874 DOI: 10.1016/j.blre.2023.101097] [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: 11/22/2022] [Revised: 04/19/2023] [Accepted: 05/07/2023] [Indexed: 06/03/2023]
Abstract
Diamond-Blackfan anemia (DBA) is a rare bone marrow failure syndrome, usually caused by loss-of function variants in genes encoding ribosomal proteins. The hallmarks of DBA are anemia, congenital anomalies and cancer predisposition. Although DBA usually presents in childhood, the prevalence in later life is increasing due to an expanding repertoire of implicated genes, improvements in genetic diagnosis and increasing life expectancy. Adult patients uniquely suffer the manifestations of end-organ damage caused by the disease and its treatment, and transition to adulthood poses specific issues in disease management. To standardize and optimize care for this rare disease, in this review we provide updated guidance on the diagnosis and management of DBA, with a specific focus on older adolescents and adults. Recommendations are based upon published literature and our pooled clinical experience from three centres in the United Kingdom (U·K.). Uniquely we have also solicited and incorporated the views of affected families, represented by the independent patient organization, DBA U.K.
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Affiliation(s)
- Deena Iskander
- Centre for Haematology, Department of Immunology & Inflammation, Imperial College London, London W12 0NN, UK.
| | - Noémi B A Roy
- Oxford University Hospitals NHS Foundation Trust and University of Oxford, OX3 9DU, UK
| | - Elspeth Payne
- UCL Cancer Institute, Dept of Hematology, London WC1 E6BT, UK; Dept of Hematology, University College Hospital London, NW1 2BU, UK
| | - Emma Drasar
- Whittington Health NHS Trust and University College Hospital London, N19 5NF, UK
| | - Kelly Hennessy
- Department of Paediatrics, St. Mary's Hospital, Imperial College Healthcare NHS Trust, London W2 1NY, UK
| | - Yvonne Harrington
- Department of Paediatrics, St. Mary's Hospital, Imperial College Healthcare NHS Trust, London W2 1NY, UK
| | - Chrysi Christodoulidou
- Centre for Haematology, Department of Immunology & Inflammation, Imperial College London, London W12 0NN, UK
| | - Anastasios Karadimitris
- Centre for Haematology, Department of Immunology & Inflammation, Imperial College London, London W12 0NN, UK
| | - Leisa Batkin
- DBA, UK 71-73 Main Street, Palterton, Chesterfield, S44 6UR, UK
| | - Josu de la Fuente
- Department of Paediatrics, St. Mary's Hospital, Imperial College Healthcare NHS Trust, London W2 1NY, UK.
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Fiesco-Roa MÓ, García-de Teresa B, Leal-Anaya P, van ‘t Hek R, Wegman-Ostrosky T, Frías S, Rodríguez A. Fanconi anemia and dyskeratosis congenita/telomere biology disorders: Two inherited bone marrow failure syndromes with genomic instability. Front Oncol 2022; 12:949435. [PMID: 36091172 PMCID: PMC9453478 DOI: 10.3389/fonc.2022.949435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Inherited bone marrow failure syndromes (IBMFS) are a complex and heterogeneous group of genetic diseases. To date, at least 13 IBMFS have been characterized. Their pathophysiology is associated with germline pathogenic variants in genes that affect hematopoiesis. A couple of these diseases also have genomic instability, Fanconi anemia due to DNA damage repair deficiency and dyskeratosis congenita/telomere biology disorders as a result of an alteration in telomere maintenance. Patients can have extramedullary manifestations, including cancer and functional or structural physical abnormalities. Furthermore, the phenotypic spectrum varies from cryptic features to patients with significantly evident manifestations. These diseases require a high index of suspicion and should be considered in any patient with abnormal hematopoiesis, even if extramedullary manifestations are not evident. This review describes the disrupted cellular processes that lead to the affected maintenance of the genome structure, contrasting the dysmorphological and oncological phenotypes of Fanconi anemia and dyskeratosis congenita/telomere biology disorders. Through a dysmorphological analysis, we describe the phenotypic features that allow to make the differential diagnosis and the early identification of patients, even before the onset of hematological or oncological manifestations. From the oncological perspective, we analyzed the spectrum and risks of cancers in patients and carriers.
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Affiliation(s)
- Moisés Ó. Fiesco-Roa
- Laboratorio de Citogenética, Instituto Nacional de Pediatría, Ciudad de México, Mexico
- Maestría y Doctorado en Ciencias Médicas, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, Ciudad de México, Mexico
| | | | - Paula Leal-Anaya
- Departamento de Genética Humana, Instituto Nacional de Pediatría, Ciudad de México, Mexico
| | - Renée van ‘t Hek
- Facultad de Medicina, Universidad Nacional Autoínoma de Meíxico (UNAM), Ciudad Universitaria, Ciudad de México, Mexico
| | - Talia Wegman-Ostrosky
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Ciudad de México, Mexico
| | - Sara Frías
- Laboratorio de Citogenética, Instituto Nacional de Pediatría, Ciudad de México, Mexico
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico
- *Correspondence: Alfredo Rodríguez, ; Sara Frías,
| | - Alfredo Rodríguez
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico
- Unidad de Genética de la Nutrición, Instituto Nacional de Pediatría, Ciudad de México, Mexico
- *Correspondence: Alfredo Rodríguez, ; Sara Frías,
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Niewisch MR, Giri N, McReynolds LJ, Alsaggaf R, Bhala S, Alter BP, Savage SA. Disease progression and clinical outcomes in telomere biology disorders. Blood 2022; 139:1807-1819. [PMID: 34852175 PMCID: PMC8952184 DOI: 10.1182/blood.2021013523] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/11/2021] [Indexed: 11/20/2022] Open
Abstract
Dyskeratosis congenita related telomere biology disorders (DC/TBDs) are characterized by very short telomeres caused by germline pathogenic variants in telomere biology genes. Clinical presentations can affect all organs, and inheritance patterns include autosomal dominant (AD), autosomal recessive (AR), X-linked (XLR), or de novo. This study examined the associations between mode of inheritance with phenotypes and long-term clinical outcomes. Two hundred thirty-one individuals with DC/TBDs (144 male, 86.6% known genotype, median age at diagnosis 19.4 years [range 0 to 71.6]), enrolled in the National Cancer Institute's Inherited Bone Marrow Failure Syndrome Study, underwent detailed clinical assessments and longitudinal follow-up (median follow-up 5.2 years [range 0 to 36.7]). Patients were grouped by inheritance pattern, considering AD-nonTINF2, AR/XLR, and TINF2 variants separately. Severe bone marrow failure (BMF), severe liver disease, and gastrointestinal telangiectasias were more prevalent in AR/XLR or TINF2 disease, whereas pulmonary fibrosis developed predominantly in adults with AD disease. After adjusting for age at DC/TBD diagnosis, we observed the highest cancer risk in AR/XLR individuals. At last follow-up, 42% of patients were deceased with a median overall survival (OS) of 52.8 years (95% confidence interval [CI] 45.5-57.6), and the hematopoietic cell or solid organ transplant-free median survival was 45.3 years (95% CI 37.4-52.1). Significantly better OS was present in AD vs AR/XLR/TINF2 disease (P < .01), while patients with AR/XLR and TINF2 disease had similar survival probabilities. This long-term study of the clinical manifestations of DC/TBDs creates a foundation for incorporating the mode of inheritance into evidence-based clinical care guidelines and risk stratification in patients with DC/TBDs. This trial was registered at www.clinicaltrials.gov as #NCT00027274.
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Affiliation(s)
- Marena R Niewisch
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Neelam Giri
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Lisa J McReynolds
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Rotana Alsaggaf
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Sonia Bhala
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Blanche P Alter
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Sharon A Savage
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD
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Jain S, Narne VK. Auditory Profile of Children With Some Rare Neurodevelopmental Disorders. RESEARCH ANTHOLOGY ON PEDIATRIC AND ADOLESCENT MEDICINE 2022. [DOI: 10.4018/978-1-6684-5360-5.ch014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Neurodevelopmental disorder is an umbrella term comprising many muscular, skeletal, metabolic, endocrinal, systemic, and immune-related diseases, which are caused due to the improper/inaccurate development of the central nervous system. Most of these disorders are highly prevalent, but some express rarely in human beings. Such disorders with least prevalence rates are known as rare neurodevelopmental disorders. The sensory system is affected in all individuals with these rare neurodevelopmental disorders, although to a varying extent. Sensory processing in terms of hearing loss is reported by many researchers in many rare neurodevelopmental disorders, but the pathophysiology of audiological findings are seldom investigated. In this chapter, the authors highlight the possible relationship between underlying cause and the resultant audiological symptoms in some of the rare neurodevelopmental disorders. Further, the research studies on the audiological profiling in such disorders are discussed.
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Talas DÜ, Beger O, Çömelekoglu Ü, Çakir S, Taghipour P, Vayisoglu Y. An insight to tympanic membrane perforation pressure through morphometry: A cadaver study. Diving Hyperb Med 2021; 51:10-17. [PMID: 33761536 DOI: 10.28920/dhm51.1.10-17] [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: 06/15/2020] [Accepted: 08/30/2020] [Indexed: 11/05/2022]
Abstract
INTRODUCTION A cadaveric experimental investigation aimed to show the rupture pressure of the tympanic membrane (TM) for otologists to evaluate its tensile strength. METHODS Twenty adult ears in 10 fresh frozen whole cadaveric heads (four males, six females) mean age 72.8 (SD 13.8) years (range 40-86) were studied. The tensile strength of the TM was evaluated with bursting pressure of the membrane. The dimensions of the membranes and perforations were measured with digital imaging software. RESULTS The mean bursting pressure of the TM was 97.71 (SD 36.20) kPa. The mean area, vertical and horizontal diameters of the TM were 57.46 (16.23) mm2, 9.54 (1.27) mm, 7.99 (1.08) mm respectively. The mean area, length and width of the perforations were 0.55 (0.25) mm2, 1.37 (0.50) mm, and 0.52 (0.22) mm, respectively. Comparisons of TM dimension, bursting pressure, and perforation size by laterality and gender showed no significant differences. The bursting pressure did not correlate (positively or negatively) with the TM or perforation sizes. CONCLUSIONS The TM can rupture during activities such as freediving or scuba diving, potentially leading to serious problems including brain injuries. Studying such events via cadaveric studies and data from case studies is of fundamental importance. The minimum experimental bursting pressures might better be taken into consideration rather than average values as the danger threshold for prevention of TM damage (and complications thereof) by barotrauma.
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Affiliation(s)
- Derya Ümit Talas
- Mersin University Faculty of Medicine, Department of Otorhinolaryngology, Mersin, Turkey.,Corresponding author: Orhan Beger, Mersin University Faculty of Medicine, Department of Anatomy, Ciftlikkoy Campus, 33343, Mersin, Turkey,
| | - Orhan Beger
- Mersin University Faculty of Medicine, Department of Anatomy, Mersin, Turkey
| | - Ülkü Çömelekoglu
- Mersin University Faculty of Medicine, Department of Biophysics, Mersin, Turkey
| | - Salim Çakir
- Mersin University Faculty of Medicine, Mersin, Turkey
| | | | - Yusuf Vayisoglu
- Mersin University Faculty of Medicine, Department of Otorhinolaryngology, Mersin, Turkey
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Beger O, Vayisoğlu Y, Örs AB, Özdemir DL, Müdüroğlu F, Taghipour P, Dağtekin O, Talas DÜ. Comparison of fetal and adult tympanic membrane sizes: a cadaveric study. Surg Radiol Anat 2021; 43:161-167. [PMID: 33048245 DOI: 10.1007/s00276-020-02593-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 10/03/2020] [Indexed: 01/07/2023]
Abstract
OBJECTIVE The work aimed to compare fetal and adult tympanic membrane (TM) sizes for understanding dimensional development from intrauterine life to adulthood. METHODS Fifty-six temporal bones (18 fetuses, 10 elderly adults, half male and half female in each group) were included in this study. Using a digital image software, the TM height, width and area were measured. RESULTS The mean area, height and width of the TM in adults were found as 58.84 ± 22.01 mm2, 9.06 ± 1.33 mm, and 8.10 ± 1.43 mm, respectively. Moreover, the mean area, height and width of the TM in fetuses were measured as 47.62 ± 12.57 mm2, 8.22 ± 1.12 mm, and 7.25 ± 1.15 mm, respectively. The TM dimensions were increasing in fetuses between 20-32 weeks of gestation. However, the TM dimension was statistically similar at the 7th month, the 8th month and adult periods. The TM height was greater than its width in fetuses and adults. CONCLUSION The calculated regression equations of the TM parameters in fetuses may be used to estimate its size. The TM size did not change from the 7th gestational month, and thus the membrane reached adult diameter in fetal life. The TM height and width showed a very wide range; therefore, we thought that the 12 mm (the height) × 10 mm (the width) graft might be ideal dimension during the repair of the TM perforations.
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Affiliation(s)
- Orhan Beger
- Department of Anatomy, Faculty of Medicine, Mersin University, Ciftlikkoy Campus, 33343, Mersin, Turkey.
| | - Yusuf Vayisoğlu
- Department of Otorhinolaryngology, Faculty of Medicine, Mersin University, Mersin, Turkey
| | - Alev Bobuş Örs
- Department of Anatomy, Faculty of Medicine, Mersin University, Ciftlikkoy Campus, 33343, Mersin, Turkey
| | | | - Fatma Müdüroğlu
- Faculty of Medicine, İstanbul University-Cerrahpaşa, İstanbul, Turkey
| | | | - Oykut Dağtekin
- Department of Histology and Embryology, Mersin City Hospital, Mersin, Turkey
| | - Derya Ümit Talas
- Department of Otorhinolaryngology, Faculty of Medicine, Mersin University, Mersin, Turkey
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Niewisch MR, Savage SA. An update on the biology and management of dyskeratosis congenita and related telomere biology disorders. Expert Rev Hematol 2019; 12:1037-1052. [PMID: 31478401 DOI: 10.1080/17474086.2019.1662720] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Introduction: Telomere biology disorders (TBDs) encompass a group of illnesses caused by germline mutations in genes regulating telomere maintenance, resulting in very short telomeres. Possible TBD manifestations range from complex multisystem disorders with onset in childhood such as dyskeratosis congenita (DC), Hoyeraal-Hreidarsson syndrome, Revesz syndrome and Coats plus to adults presenting with one or two DC-related features.Areas covered: The discovery of multiple genetic causes and inheritance patterns has led to the recognition of a spectrum of clinical features affecting multiple organ systems. Patients with DC and associated TBDs are at high risk of bone marrow failure, cancer, liver and pulmonary disease. Recently, vascular diseases, including pulmonary arteriovenous malformations and gastrointestinal telangiectasias, have been recognized as additional manifestations. Diagnostics include detection of very short leukocyte telomeres and germline genetic testing. Hematopoietic cell transplantation and lung transplantation are the only current therapeutic modalities but are complicated by numerous comorbidities. This review summarizes the pathophysiology underlying TBDs, associated clinical features, management recommendations and therapeutic options.Expert opinion: Understanding TBDs as complex, multisystem disorders with a heterogenous genetic background and diverse phenotypes, highlights the importance of clinical surveillance and the urgent need to develop new therapeutic strategies to improve health outcomes.
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Affiliation(s)
- Marena R Niewisch
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Sharon A Savage
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
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Nelson AS, Myers KC. Diagnosis, Treatment, and Molecular Pathology of Shwachman-Diamond Syndrome. Hematol Oncol Clin North Am 2018; 32:687-700. [DOI: 10.1016/j.hoc.2018.04.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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9
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Verheij E, Oomen KPQ, Smetsers SE, van Zanten GA, Speleman L. Hearing loss and speech perception in noise difficulties in Fanconi anemia. Laryngoscope 2017; 127:2358-2361. [PMID: 28349534 DOI: 10.1002/lary.26480] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 11/16/2016] [Accepted: 12/05/2016] [Indexed: 11/09/2022]
Abstract
OBJECTIVES/HYPOTHESIS Fanconi anemia is a hereditary chromosomal instability disorder. Hearing loss and ear abnormalities are among the many manifestations reported in this disorder. In addition, Fanconi anemia patients often complain about hearing difficulties in situations with background noise (speech perception in noise difficulties). Our study aimed to describe the prevalence of hearing loss and speech perception in noise difficulties in Dutch Fanconi anemia patients. STUDY DESIGN Retrospective chart review. METHODS A retrospective chart review was conducted at a Dutch tertiary care center. All patients with Fanconi anemia at clinical follow-up in our hospital were included. Medical files were reviewed to collect data on hearing loss and speech perception in noise difficulties. RESULTS In total, 49 Fanconi anemia patients were included. Audiograms were available in 29 patients and showed hearing loss in 16 patients (55%). Conductive hearing loss was present in 24.1%, sensorineural in 20.7%, and mixed in 10.3%. A speech in noise test was performed in 17 patients; speech perception in noise was subnormal in nine patients (52.9%) and abnormal in two patients (11.7%). CONCLUSIONS Hearing loss and speech perception in noise abnormalities are common in Fanconi anemia. Therefore, pure tone audiograms and speech in noise tests should be performed, preferably already at a young age, because hearing aids or assistive listening devices could be very valuable in developing language and communication skills. LEVEL OF EVIDENCE 4. Laryngoscope, 127:2358-2361, 2017.
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Affiliation(s)
- Emmy Verheij
- Department of Otorhinolaryngology-Head and Neck Surgery, University Medical Center Utrecht, Utrecht, the Netherlands.,Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Karin P Q Oomen
- Department of Otorhinolaryngology-Head and Neck Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Stephanie E Smetsers
- Department of Pediatric Hematology and Stem Cell Transplantation, University Medical Center Utrecht-Wilhelmina Children's Hospital, Utrecht, the Netherlands
| | - Gijsbert A van Zanten
- Department of Otorhinolaryngology-Head and Neck Surgery, University Medical Center Utrecht, Utrecht, the Netherlands.,Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Lucienne Speleman
- Department of Otorhinolaryngology-Head and Neck Surgery, University Medical Center Utrecht, Utrecht, the Netherlands
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