Peromyscus spp. Deer Mice as Rodent Model of Acute Leptospirosis

Leptospirosis is a global zoonotic disease affecting humans, wildlife, companion, and domestic animals. Incidental hosts can contract the disease directly or indirectly from asymptomatic reservoir hosts, most commonly small rodents. The Golden Syrian hamster is recognized as the dominant rodent mod...

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Main Authors: Ellie J. Putz, Claire B. Andreasen, Paola Boggiatto, Mitchell V. Palmer, Luis G.V. Fernandes, Bienvenido W. Tibbs-Cortes, Judith A. Stasko, Camila Hamond, Steven C. Olsen, Jarlath E. Nally
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2025-07-01
Series:Emerging Infectious Diseases
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Online Access:https://wwwnc.cdc.gov/eid/article/31/7/24-1579_article
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author Ellie J. Putz
Claire B. Andreasen
Paola Boggiatto
Mitchell V. Palmer
Luis G.V. Fernandes
Bienvenido W. Tibbs-Cortes
Judith A. Stasko
Camila Hamond
Steven C. Olsen
Jarlath E. Nally
author_facet Ellie J. Putz
Claire B. Andreasen
Paola Boggiatto
Mitchell V. Palmer
Luis G.V. Fernandes
Bienvenido W. Tibbs-Cortes
Judith A. Stasko
Camila Hamond
Steven C. Olsen
Jarlath E. Nally
author_sort Ellie J. Putz
collection DOAJ
description Leptospirosis is a global zoonotic disease affecting humans, wildlife, companion, and domestic animals. Incidental hosts can contract the disease directly or indirectly from asymptomatic reservoir hosts, most commonly small rodents. The Golden Syrian hamster is recognized as the dominant rodent model for acute leptospirosis because the animals are susceptible to many serovars and are used to maintain laboratory strains and test bacterin vaccine efficacy. However, hamsters are primarily used in survival-based studies, and investigations into host immune response and disease pathogenesis are limited. We found that Peromyscus leucopus white-footed deer mice are susceptible to acute leptospirosis, and thus might be an alternative rodent model. Furthermore, similar to hamsters, deer mice produce circulating foamy macrophages in response to Leptospira challenge. Deer mice exhibit differences in response to different serovars, clinical disease severity, kidney and liver lesions, and an overall sex effect, with male mice demonstrating more severe clinical signs and higher bacterial burden.
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publisher Centers for Disease Control and Prevention
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series Emerging Infectious Diseases
spelling doaj-art-9ea5553f54b54cabbb00ff7b1e38ab9c2025-06-25T14:59:21ZengCenters for Disease Control and PreventionEmerging Infectious Diseases1080-60401080-60592025-07-013171365137610.3201/eid3107.241579Peromyscus spp. Deer Mice as Rodent Model of Acute LeptospirosisEllie J. PutzClaire B. AndreasenPaola BoggiattoMitchell V. PalmerLuis G.V. FernandesBienvenido W. Tibbs-CortesJudith A. StaskoCamila HamondSteven C. OlsenJarlath E. Nally Leptospirosis is a global zoonotic disease affecting humans, wildlife, companion, and domestic animals. Incidental hosts can contract the disease directly or indirectly from asymptomatic reservoir hosts, most commonly small rodents. The Golden Syrian hamster is recognized as the dominant rodent model for acute leptospirosis because the animals are susceptible to many serovars and are used to maintain laboratory strains and test bacterin vaccine efficacy. However, hamsters are primarily used in survival-based studies, and investigations into host immune response and disease pathogenesis are limited. We found that Peromyscus leucopus white-footed deer mice are susceptible to acute leptospirosis, and thus might be an alternative rodent model. Furthermore, similar to hamsters, deer mice produce circulating foamy macrophages in response to Leptospira challenge. Deer mice exhibit differences in response to different serovars, clinical disease severity, kidney and liver lesions, and an overall sex effect, with male mice demonstrating more severe clinical signs and higher bacterial burden. https://wwwnc.cdc.gov/eid/article/31/7/24-1579_articleleptospirosiszoonosesbacteriaLeptospira interrogansLeptospira borgpeterseniifoam cells
spellingShingle Ellie J. Putz
Claire B. Andreasen
Paola Boggiatto
Mitchell V. Palmer
Luis G.V. Fernandes
Bienvenido W. Tibbs-Cortes
Judith A. Stasko
Camila Hamond
Steven C. Olsen
Jarlath E. Nally
Peromyscus spp. Deer Mice as Rodent Model of Acute Leptospirosis
Emerging Infectious Diseases
leptospirosis
zoonoses
bacteria
Leptospira interrogans
Leptospira borgpetersenii
foam cells
title Peromyscus spp. Deer Mice as Rodent Model of Acute Leptospirosis
title_full Peromyscus spp. Deer Mice as Rodent Model of Acute Leptospirosis
title_fullStr Peromyscus spp. Deer Mice as Rodent Model of Acute Leptospirosis
title_full_unstemmed Peromyscus spp. Deer Mice as Rodent Model of Acute Leptospirosis
title_short Peromyscus spp. Deer Mice as Rodent Model of Acute Leptospirosis
title_sort peromyscus spp deer mice as rodent model of acute leptospirosis
topic leptospirosis
zoonoses
bacteria
Leptospira interrogans
Leptospira borgpetersenii
foam cells
url https://wwwnc.cdc.gov/eid/article/31/7/24-1579_article
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