Person:
Dorrego Rodríguez, Abel

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Abel
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Dorrego Rodríguez
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https://hdl.handle.net/20.500.14352/84498
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Universidad Complutense de Madrid
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2019 - 201912020 - 20231
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Author: González Domínguez, Sergio ×

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    Project number: 219
    Infequus: plataforma de enfermedades infecciosas equinas
    (2019) Juan Ferré, Lucía De; Briones Dieste, Víctor; Bezos Garrido, Javier; Fores Jackson, Paloma; Camino Gutiérrez, Eliazar; Buendía Andrés, Aranzazu; Dorrego Rodríguez, Abel; Cruz López, Fátima; González Domínguez, Sergio; Romero Martínez, Beatriz; García Benzaquén, Nerea; Bárcena Asensio, Carmen; Mazariegos Martínez-Peñalver, María; Ancochea Nodal, Carlos; Hernández Carrillo, Javier; Pérez Sancho, Marta; Pérez Sancho, Marta
    Desarrollo de la herramienta de formación online Infequus, que ofrecerá a los alumnos y profesionales información actualizada sobre el diagnóstico y control de las enfermedades infecciosas en la especie equina.
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    Haemato-biochemical characterization of equine piroplasmosis asymptomatic carriers and seropositive, real-time PCR negative horses
    (Veterinary Parasitology, 2023) Dorrego Rodríguez, Abel; Camino Gutiérrez, Eliazar; Gago, Paloma; Buendia Andrés, Aranzazu; Acurio, Kiara; González Domínguez, Sergio; Juan Ferré, Lucía De; Cruz López, Fátima
    Equine piroplasmosis (EP) is caused by Theileria equi and Babesia caballi, transmitted by tick vectors. Horses can suffer an acute, subacute, and chronic forms of the disease, with clinical signs such as poor performance, fever, pale mucosal membranes, and jaundice. The diagnosis of EP subclinical cases is complex due to the sensitivity of real-time PCR and the limited parasite load in some carriers, making it challenging to differentiate them from seropositive, PCR negative (S+PCR-) individuals. This study aimed to describe haematological and biochemical changes in asymptomatic EP carriers, EP S+PCR- horses and control horses (EP seronegative and PCR negative). It also investigated potential haemato-biochemical markers to aid in distinguishing true EP carriers alongside molecular and serological tests. A comprehensive haematology and biochemistry profile was conducted on 410 sera and EDTA blood samples, comprising 130 EP positives by real-time PCR and competitive ELISA (cELISA) (carriers), 130 EP negatives by real-time PCR but positive to cELISA (S+PCR-) and 150 EP negative horses to real-time PCR and c-ELISA (controls). Our study confirmed that a haematological and biochemistry profile could help to differentiate between EP carriers/S+PCR- from healthy horses. Carriers and S+PCR- horses showed significant increases in the white blood cell count (WBC), high total proteins (TP) and total globulins (GLOB) concentration, and liver function markers compared to controls. Additionally, the evaluation of uric acid (UA) suggested oxidative stress in carrier horses. However, no useful haemato-biochemical diagnostic markers were identified to aid the challenging differentiation of EP carriers and S+PCR- horses, highlighting the need for improvement in molecular/serological diagnosis for these horses.