Alpha-Gal IgE Prevalence Patterns in the United States : An Investigation of 3,000 Military Recruits
Copyright © 2023 American Academy of Allergy, Asthma & Immunology. All rights reserved..
BACKGROUND: IgE to the oligosaccharide galactose-alpha-1,3-galactose (alpha-gal) is an important cause of allergic reactions to mammalian meat. The "alpha-gal syndrome" is strongly associated with a preceding history of tick bites and in the United States is most commonly reported in parts of the southeast, but there has been limited investigation into national alpha-gal sensitization patterns and the relevance of other risk factors.
OBJECTIVE: To systematically investigate alpha-gal IgE prevalence, regional patterns, and risk factors.
METHODS: Alpha-gal IgE was measured by ImmunoCAP in biobanked serum samples collected from 3000 service members who presented for intake to 1 of 10 military bases in the central/eastern United States. Alpha-gal IgE sensitization (cutoff 0.1 international units/mL) was related to home of record at enlistment.
RESULTS: Of the cohort, 2456 (81.9%) subjects were male, median age was 19 years (interquartile range: 18-22 years), and alpha-gal IgE was detected in 179 (6.0%). Home of record spanned all 50 states, with a median of 36 recruits per state (range: 3-261). The highest prevalence rates were in Arkansas (39%), Oklahoma (35%), and Missouri (29%), with several other southeastern states >10%. Granular mapping revealed sensitization patterns that closely mimicked county-level Amblyomma americanum reports and Ehrlichia chaffeensis infections. Sensitization was associated with male sex, rural residence, and White race in univariate and multivariable models.
CONCLUSIONS: In this systematic survey, the prevalence of alpha-gal IgE among incoming military personnel was 6.0%. There were significant regional differences, with an overall pattern consistent with the known range of the lone star tick (A. americanum) and highest frequency in an area including Arkansas, Oklahoma, and Missouri.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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| Enthalten in: |
The journal of allergy and clinical immunology. In practice - 12(2024), 1 vom: 01. Jan., Seite 175-184.e5 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ailsworth, Samuel M [VerfasserIn] |
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| Links: |
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| Themen: |
37341-29-0 |
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| Anmerkungen: |
Date Completed 22.01.2024 Date Revised 23.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jaip.2023.10.046 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM364105259 |
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| 100 | 1 | |a Ailsworth, Samuel M |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Alpha-Gal IgE Prevalence Patterns in the United States |b An Investigation of 3,000 Military Recruits |
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| 500 | |a Date Revised 23.02.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 American Academy of Allergy, Asthma & Immunology. All rights reserved. | ||
| 520 | |a BACKGROUND: IgE to the oligosaccharide galactose-alpha-1,3-galactose (alpha-gal) is an important cause of allergic reactions to mammalian meat. The "alpha-gal syndrome" is strongly associated with a preceding history of tick bites and in the United States is most commonly reported in parts of the southeast, but there has been limited investigation into national alpha-gal sensitization patterns and the relevance of other risk factors | ||
| 520 | |a OBJECTIVE: To systematically investigate alpha-gal IgE prevalence, regional patterns, and risk factors | ||
| 520 | |a METHODS: Alpha-gal IgE was measured by ImmunoCAP in biobanked serum samples collected from 3000 service members who presented for intake to 1 of 10 military bases in the central/eastern United States. Alpha-gal IgE sensitization (cutoff 0.1 international units/mL) was related to home of record at enlistment | ||
| 520 | |a RESULTS: Of the cohort, 2456 (81.9%) subjects were male, median age was 19 years (interquartile range: 18-22 years), and alpha-gal IgE was detected in 179 (6.0%). Home of record spanned all 50 states, with a median of 36 recruits per state (range: 3-261). The highest prevalence rates were in Arkansas (39%), Oklahoma (35%), and Missouri (29%), with several other southeastern states >10%. Granular mapping revealed sensitization patterns that closely mimicked county-level Amblyomma americanum reports and Ehrlichia chaffeensis infections. Sensitization was associated with male sex, rural residence, and White race in univariate and multivariable models | ||
| 520 | |a CONCLUSIONS: In this systematic survey, the prevalence of alpha-gal IgE among incoming military personnel was 6.0%. There were significant regional differences, with an overall pattern consistent with the known range of the lone star tick (A. americanum) and highest frequency in an area including Arkansas, Oklahoma, and Missouri | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Alpha-gal | |
| 650 | 4 | |a Ehrlichia chaffeensis | |
| 650 | 4 | |a Ehrlichiosis | |
| 650 | 4 | |a Epidemiology | |
| 650 | 4 | |a IgE | |
| 650 | 4 | |a Lone star tick | |
| 650 | 4 | |a Mammalian meat allergy | |
| 650 | 4 | |a Military | |
| 650 | 4 | |a Seroprevalence | |
| 650 | 4 | |a Ticks | |
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| 650 | 7 | |a Galactose |2 NLM | |
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| 700 | 1 | |a Susi, Apryl |e verfasserin |4 aut | |
| 700 | 1 | |a Workman, Lisa J |e verfasserin |4 aut | |
| 700 | 1 | |a Ji, Yun-Seong |e verfasserin |4 aut | |
| 700 | 1 | |a Patel, Jaimin |e verfasserin |4 aut | |
| 700 | 1 | |a Nelson, Michael R |e verfasserin |4 aut | |
| 700 | 1 | |a Platts-Mills, Thomas A E |e verfasserin |4 aut | |
| 700 | 1 | |a Nylund, Cade M |e verfasserin |4 aut | |
| 700 | 1 | |a Wilson, Jeffrey M |e verfasserin |4 aut | |
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