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Aldecoa I, Barroeta I, Carroll SL, Fortea J, Gilmore A, Ginsberg SD, Guzman SJ, Hamlett ED, Head E, Perez SE, Potter H, Molina‐Porcel L, Raha‐Chowdhury R, Wisniewski T, Yong WH, Zaman S, Ghosh S, Mufson EJ, Granholm A. Down Syndrome Biobank Consortium: A perspective. Alzheimers Dement 2024; 20:2262-2272. [PMID: 38270275 PMCID: PMC10984425 DOI: 10.1002/alz.13692] [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: 11/02/2023] [Revised: 12/14/2023] [Accepted: 12/16/2023] [Indexed: 01/26/2024]
Abstract
Individuals with Down syndrome (DS) have a partial or complete trisomy of chromosome 21, resulting in an increased risk for early-onset Alzheimer's disease (AD)-type dementia by early midlife. Despite ongoing clinical trials to treat late-onset AD, individuals with DS are often excluded. Furthermore, timely diagnosis or management is often not available. Of the genetic causes of AD, people with DS represent the largest cohort. Currently, there is a knowledge gap regarding the underlying neurobiological mechanisms of DS-related AD (DS-AD), partly due to limited access to well-characterized brain tissue and biomaterials for research. To address this challenge, we created an international consortium of brain banks focused on collecting and disseminating brain tissue from persons with DS throughout their lifespan, named the Down Syndrome Biobank Consortium (DSBC) consisting of 11 biobanking sites located in Europe, India, and the USA. This perspective describes the DSBC harmonized protocols and tissue dissemination goals.
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Affiliation(s)
- Iban Aldecoa
- Pathology DepartmentHospital Clinic de Barcelona‐University of BarcelonaBarcelonaSpain
- Neurological Tissue Bank of the BiobankHospital Clinic de Barcelona‐FCRB/IDIBAPSBarcelonaSpain
| | - Isabel Barroeta
- Neurology DepartmentHospital de la Santa Creu i Sant Pau, NeurologyBarcelonaSpain
| | - Steven L. Carroll
- Department of Pathology & Laboratory MedicineMedical University of South CarolinaCharlestonSouth CarolinaUSA
| | - Juan Fortea
- Neurology DepartmentHospital de la Santa Creu i Sant Pau, NeurologyBarcelonaSpain
| | - Anah Gilmore
- University of Colorado Denver Anschutz Medical Campus, NeurosurgeryAuroraColoradoUSA
| | - Stephen D. Ginsberg
- Center for Dementia Research, Nathan Kline InstituteOrangeburgNew YorkUSA
- Departments of PsychiatryNeuroscience & Physiology, and the NYU Neuroscience Institute, New York University Grossman School of MedicineNew YorkNew YorkUSA
| | - Samuel J. Guzman
- Department of PathologyUniversity of Colorado Anschutz Medical CampusAuroraColoradoUSA
| | - Eric D. Hamlett
- Department of Pathology & Laboratory MedicineMedical University of South CarolinaCharlestonSouth CarolinaUSA
| | - Elizabeth Head
- Department of Pathology and Laboratory MedicineUniversity of California Irvine, UCI School of Medicine D440 Medical Sciences IIrvineCaliforniaUSA
| | - Sylvia E. Perez
- Barrow Neurological InstituteTranslational Neurosciences and NeurologyPhoenixArizonaUSA
| | - Huntington Potter
- University of Colorado Denver Anschutz Medical Campus, NeurologyAuroraColoradoUSA
| | - Laura Molina‐Porcel
- Pathology DepartmentHospital Clinic de Barcelona‐University of BarcelonaBarcelonaSpain
- Alzheimer's Disease and Other Cognitive Disorders UnitNeurology Service, Hospital Clínic, IDIBAPS, University of BarcelonaBarcelonaSpain
| | - Ruma Raha‐Chowdhury
- Department of PsychiatryCambridge Intellectual & Developmental Disabilities Research GroupUniversity of CambridgeCambridgeUK
| | - Thomas Wisniewski
- Center for Cognitive Neurology, Departments of Neurology, Pathology and PsychiatryNew York University Grossman School of MedicineNew YorkNew YorkUSA
| | - William H. Yong
- Department of Pathology and Laboratory MedicineUniversity of California Irvine, UCI School of Medicine D440 Medical Sciences IIrvineCaliforniaUSA
| | - Shahid Zaman
- Department of PsychiatryCambridge Intellectual & Developmental Disabilities Research GroupUniversity of CambridgeCambridgeUK
| | - Sujay Ghosh
- Department of ZoologyCytogenetics and Genomics Research UnitKolkataIndia
| | - Elliott J. Mufson
- Barrow Neurological InstituteTranslational Neurosciences and NeurologyPhoenixArizonaUSA
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Utagawa EC, Moreno DG, Schafernak KT, Arva NC, Malek-Ahmadi MH, Mufson EJ, Perez SE. Neurogenesis and neuronal differentiation in the postnatal frontal cortex in Down syndrome. Acta Neuropathol Commun 2022; 10:86. [PMID: 35676735 PMCID: PMC9175369 DOI: 10.1186/s40478-022-01385-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/17/2022] [Indexed: 12/17/2022] Open
Abstract
Although Down syndrome (DS), the most common developmental genetic cause of intellectual disability, displays proliferation and migration deficits in the prenatal frontal cortex (FC), a knowledge gap exists on the effects of trisomy 21 upon postnatal cortical development. Here, we examined cortical neurogenesis and differentiation in the FC supragranular (SG, II/III) and infragranular (IG, V/VI) layers applying antibodies to doublecortin (DCX), non-phosphorylated heavy-molecular neurofilament protein (NHF, SMI-32), calbindin D-28K (Calb), calretinin (Calr), and parvalbumin (Parv), as well as β-amyloid (APP/Aβ and Aβ1-42) and phospho-tau (CP13 and PHF-1) in autopsy tissue from age-matched DS and neurotypical (NTD) subjects ranging from 28-weeks (wk)-gestation to 3 years of age. Thionin, which stains Nissl substance, revealed disorganized cortical cellular lamination including a delayed appearance of pyramidal cells until 44 wk of age in DS compared to 28 wk in NTD. SG and IG DCX-immunoreactive (-ir) cells were only visualized in the youngest cases until 83 wk in NTD and 57 wk DS. Strong SMI-32 immunoreactivity was observed in layers III and V pyramidal cells in the oldest NTD and DS cases with few appearing as early as 28 wk of age in layer V in NTD. Small Calb-ir interneurons were seen in younger NTD and DS cases compared to Calb-ir pyramidal cells in older subjects. Overall, a greater number of Calb-ir cells were detected in NTD, however, the number of Calr-ir cells were comparable between groups. Diffuse APP/Aβ immunoreactivity was found at all ages in both groups. Few young cases from both groups presented non-neuronal granular CP13 immunoreactivity in layer I. Stronger correlations between brain weight, age, thionin, DCX, and SMI-32 counts were found in NTD. These findings suggest that trisomy 21 affects postnatal FC lamination, neuronal migration/neurogenesis and differentiation of projection neurons and interneurons that likely contribute to cognitive impairment in DS.
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Affiliation(s)
- Emma C Utagawa
- Department of Translational Neuroscience, Barrow Neurological Institute, 350 W Thomas Rd, Phoenix, AZ, 85013, USA
| | - David G Moreno
- Department of Translational Neuroscience, Barrow Neurological Institute, 350 W Thomas Rd, Phoenix, AZ, 85013, USA
| | - Kristian T Schafernak
- Department of Pathology and Laboratory Medicine, Phoenix Children's Hospital, 1919 E Thomas Rd, Phoenix, AZ, 85016, USA
| | - Nicoleta C Arva
- Department of Pathology and Laboratory Medicine, Ann and Robert H. Lurie Children's Hospital of Chicago, 225 E Chicago Ave, Chicago, IL, 60611, USA
| | | | - Elliott J Mufson
- Department of Translational Neuroscience, Barrow Neurological Institute, 350 W Thomas Rd, Phoenix, AZ, 85013, USA
| | - Sylvia E Perez
- Department of Translational Neuroscience, Barrow Neurological Institute, 350 W Thomas Rd, Phoenix, AZ, 85013, USA.
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Wegiel J, Flory M, Kuchna I, Nowicki K, Wegiel J, Ma SY, Zhong N, Bobrowicz TW, de Leon M, Lai F, Silverman WP, Wisniewski T. Developmental deficits and staging of dynamics of age associated Alzheimer's disease neurodegeneration and neuronal loss in subjects with Down syndrome. Acta Neuropathol Commun 2022; 10:2. [PMID: 34983655 PMCID: PMC8728914 DOI: 10.1186/s40478-021-01300-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/02/2021] [Indexed: 12/14/2022] Open
Abstract
The increased life expectancy of individuals with Down syndrome (DS) is associated with increased prevalence of trisomy 21-linked early-onset Alzheimer's disease (EOAD) and dementia. The aims of this study of 14 brain regions including the entorhinal cortex, hippocampus, basal ganglia, and cerebellum in 33 adults with DS 26-72 years of age were to identify the magnitude of brain region-specific developmental neuronal deficits contributing to intellectual deficits, to apply this baseline to identification of the topography and magnitude of neurodegeneration and neuronal and volume losses caused by EOAD, and to establish age-based staging of the pattern of genetically driven neuropathology in DS. Both DS subject age and stage of dementia, themselves very strongly correlated, were strong predictors of an AD-associated decrease of the number of neurons, considered a major contributor to dementia. The DS cohort was subclassified by age as pre-AD stage, with 26-41-year-old subjects with a full spectrum of developmental deficit but with very limited incipient AD pathology, and 43-49, 51-59, and 61-72-year-old groups with predominant prevalence of mild, moderately severe, and severe dementia respectively. This multiregional study revealed a 28.1% developmental neuronal deficit in DS subjects 26-41 years of age and 11.9% AD-associated neuronal loss in DS subjects 43-49 years of age; a 28.0% maximum neuronal loss at 51-59 years of age; and a 11.0% minimum neuronal loss at 61-72 years of age. A total developmental neuronal deficit of 40.8 million neurons and AD-associated neuronal loss of 41.6 million neurons reflect a comparable magnitude of developmental neuronal deficit contributing to intellectual deficits, and AD-associated neuronal loss contributing to dementia. This highly predictable pattern of pathology indicates that successful treatment of DS subjects in the fourth decade of life may prevent AD pathology and functional decline.
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Affiliation(s)
- Jerzy Wegiel
- Department of Developmental Neurobiology, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314 USA
| | - Michael Flory
- New York State Institute for Basic Research in Developmental Disabilities (IBR), Staten Island, NY USA
| | - Izabela Kuchna
- Department of Developmental Neurobiology, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314 USA
| | - Krzysztof Nowicki
- Department of Developmental Neurobiology, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314 USA
| | - Jarek Wegiel
- Department of Developmental Neurobiology, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314 USA
| | - Shuang Yong Ma
- Department of Developmental Neurobiology, NYS Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314 USA
| | - Nanbert Zhong
- New York State Institute for Basic Research in Developmental Disabilities (IBR), Staten Island, NY USA
| | | | - Mony de Leon
- Department of Radiology, Weill Cornell Medicine, New York, NY USA
| | - Florence Lai
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA USA
| | - Wayne P. Silverman
- Department of Pediatrics, Irvine Medical Center, University of California, Irvine, CA USA
| | - Thomas Wisniewski
- Center for Cognitive Neurology, Departments of Neurology, Pathology and Psychiatry, NYU Grossman School of Medicine, New York, NY 10016 USA
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Martini AC, Alldred MJ, Granholm AC. Aging in Down Syndrome: Latest Clinical Advances and Prospects. J Clin Med 2021; 10:5037. [PMID: 34768560 PMCID: PMC8584622 DOI: 10.3390/jcm10215037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 10/26/2021] [Indexed: 12/30/2022] Open
Abstract
Down syndrome (DS), or trisomy 21, is the most common genetic cause of intellectual disability [...].
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Affiliation(s)
- Alessandra C. Martini
- Department of Pathology and Lab. Medicine, University of California Irvine, Irvine, CA 92697, USA;
| | - Melissa J. Alldred
- Nathan Kline Institute, NYU Grossman Medical School, 140 Old Orangeburg Rd., Orangeburg, NY 10962, USA;
| | - Ann-Charlotte Granholm
- Knoebel Institute for Healthy Aging, University of Denver, Denver, CO 80208, USA
- Department of Neurosurgery, CU Anschutz Medical Campus, 12700 E. 19th Ave., Aurora, CO 80045, USA
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