Local Ancestry at the Major Histocompatibility Complex Region is Not a Major Contributor to Disease Heterogeneity in a Multiethnic Lupus Cohort
© 2023 The Authors. Arthritis & Rheumatology published by Wiley Periodicals LLC on behalf of American College of Rheumatology..
OBJECTIVE: Systemic lupus erythematosus (SLE) is an autoimmune disease resulting in debilitating clinical manifestations that vary in severity by race and ethnicity with a disproportionate burden in African American, Mestizo, and Asian populations compared with populations of European descent. Differences in global and local genetic ancestry may shed light on the underlying mechanisms contributing to these disparities, including increased prevalence of lupus nephritis, younger age of symptom onset, and presence of autoantibodies.
METHODS: A total of 1,139 European, African American, and Mestizos patients with SLE were genotyped using the Affymetrix LAT1 World array. Global ancestry proportions were estimated using ADMIXTURE, and local ancestry was estimated using RFMIXv2.0. We investigated associations between lupus nephritis, age at onset, and autoantibody status with both global and local ancestry proportions within the Major Histocompatibility Complex region.
RESULTS: Our results showed small effect sizes that did not meet the threshold for statistical significance for global or local ancestry proportions in either African American or Mestizo patients with SLE who presented with the clinical manifestations of interest compared with those who did not.
CONCLUSION: These findings suggest that local genetic ancestry within the Major Histocompatibility Complex region is not a major contributor to these SLE manifestations among patients with SLE from admixed populations.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:76 |
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| Enthalten in: |
Arthritis & rheumatology (Hoboken, N.J.) - 76(2024), 4 vom: 01. Apr., Seite 614-619 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Solomon, Olivia [VerfasserIn] |
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| Anmerkungen: |
Date Completed 28.03.2024 Date Revised 02.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1002/art.42766 |
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| funding: |
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NLM365638293 |
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| 520 | |a © 2023 The Authors. Arthritis & Rheumatology published by Wiley Periodicals LLC on behalf of American College of Rheumatology. | ||
| 520 | |a OBJECTIVE: Systemic lupus erythematosus (SLE) is an autoimmune disease resulting in debilitating clinical manifestations that vary in severity by race and ethnicity with a disproportionate burden in African American, Mestizo, and Asian populations compared with populations of European descent. Differences in global and local genetic ancestry may shed light on the underlying mechanisms contributing to these disparities, including increased prevalence of lupus nephritis, younger age of symptom onset, and presence of autoantibodies | ||
| 520 | |a METHODS: A total of 1,139 European, African American, and Mestizos patients with SLE were genotyped using the Affymetrix LAT1 World array. Global ancestry proportions were estimated using ADMIXTURE, and local ancestry was estimated using RFMIXv2.0. We investigated associations between lupus nephritis, age at onset, and autoantibody status with both global and local ancestry proportions within the Major Histocompatibility Complex region | ||
| 520 | |a RESULTS: Our results showed small effect sizes that did not meet the threshold for statistical significance for global or local ancestry proportions in either African American or Mestizo patients with SLE who presented with the clinical manifestations of interest compared with those who did not | ||
| 520 | |a CONCLUSION: These findings suggest that local genetic ancestry within the Major Histocompatibility Complex region is not a major contributor to these SLE manifestations among patients with SLE from admixed populations | ||
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| 700 | 1 | |a Taylor, Kimberly E |e verfasserin |4 aut | |
| 700 | 1 | |a Chung, Sharon A |e verfasserin |4 aut | |
| 700 | 1 | |a Yazdany, Jinoos |e verfasserin |4 aut | |
| 700 | 1 | |a Dall'Era, Maria |e verfasserin |4 aut | |
| 700 | 1 | |a Pons-Estel, Bernado A |e verfasserin |4 aut | |
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| 700 | 1 | |a Tsao, Betty |e verfasserin |4 aut | |
| 700 | 1 | |a Morand, Eric |e verfasserin |4 aut | |
| 700 | 1 | |a Alarcón-Riquelme, Marta E |e verfasserin |4 aut | |
| 700 | 1 | |a Barcellos, Lisa F |e verfasserin |4 aut | |
| 700 | 1 | |a Criswell, Lindsey A |e verfasserin |4 aut | |
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