A5059178476- Microbial infections and disease research
- Listeria monocytogenes in Food Safety
- Aquaculture disease management and microbiota
- Microbial Inactivation Methods
- Oral and gingival health research
- Toxoplasma gondii Research Studies
- Autoimmune Bullous Skin Diseases
- Research on Leishmaniasis Studies
- Hematological disorders and diagnostics
- Meat and Animal Product Quality
- Dental Implant Techniques and Outcomes
- Calpain Protease Function and Regulation
- Pneumonia and Respiratory Infections
- Hemoglobinopathies and Related Disorders
- Glycosylation and Glycoproteins Research
- Infectious Diseases and Mycology
- Milk Quality and Mastitis in Dairy Cows
- Garlic and Onion Studies
- Public Health and Environmental Issues
- Parasitic Infections and Diagnostics
- Antimicrobial Peptides and Activities
- Vibrio bacteria research studies
- Nosocomial Infections in ICU
- Viral Infections and Vectors
- Blood transfusion and management
University of Applied and Environmental Sciences
2013-2024
Instituto Valenciano de Investigaciones Agrarias
2022-2023
Pontificia Universidad Javeriana
2017
Icahn School of Medicine at Mount Sinai
2014
Centro Internacional de Entrenamiento e Investigaciones Medicas
2009-2011
Hospital Universitario Reina Sofía
2003-2007
University of Quindío
2004-2005
Toll-like receptors (TLRs) play a central role in macrophage activation and control of parasitic infections. Their contribution to the outcome Leishmania infection is just beginning be deciphered. We examined interaction panamensis with TLRs host macrophages. L. resulted upregulation TLR1, TLR2, TLR3, TLR4 expression induced tumor necrosis factor alpha (TNF-α) secretion by human primary macrophages at comparable levels kinetics those specific TLR ligands. The dependence cell response was...
Exploiting plant defense mechanisms is a promising tool for pest management in modern agriculture.Plant Essential Oils (EOs) are used the sustainable control of agricultural pests; however, their impact on has been scarcely investigated.In this work, we study first time whether spraying EOs can activate sweet pepper.The olfactory capacity Encarsia formosa (Hymenoptera: Aphelinidae) to respond defenseactivated plants was select garlic and peppermint among nine sprayed peppers.The expression...
It is widely documented that plants respond to herbivory through the release of volatile compounds mediated by phytohormone signaling pathways.Herbivore-Induced Plant Volatiles (HIPVs), among which are green leaf volatiles, can repel herbivores and attract their natural enemies, as well warn neighboring herbivore attacks.Plants received these warning signals activate defense mechanisms therefore become more resistant against pests diseases.In this work, we tested whether activated exposure...
The nasal septa of fetal rabbits at 26 days gestation were harvested by cesarean section the does while under anesthesia and then exposed to Bordetella bronchiseptica or its lipopolysaccharide (LPS) for periods 2 4 hours. A total 240 explants used. tissues examined using Hematoxylin & Eosin technique. Then, semithin sections (0.5 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mi>μ</mml:mi></mml:mrow></mml:math>m) stained with toluidine blue indirect...
There are few reports about characterization strains of Toxoplasma gondii that analyze the differences between isolates from Europe or United States with those obtained in South America. The current study analyzes virulence data mouse model, gene SAG2 polymorphism by PCR-RFLP and microsatellite analysis a single Colombian isolate. strain was isolated blood child congenital toxoplasmosis, living Armenia, Colombia. Analysis showed this has an LD100 10 tachyzoites. Both methods genetic...
The role of the P. multocida lipopolysaccharide (LPS) as a putative adhesin during early stages infection with this bacterium in respiratory epithelium rabbits was investigated. By light microscopy and double enzyme labeling nasal septa tissues, amount bacteria attached to LPS present goblet cells at different experimental times were estimated. Transmission electron (TEM) colloidal gold particles also used determine exact location cells. Septa that challenged 30 minutes later showed more...
An ultrastructural comparison between the nasal cavities of healthy rabbits and those suffering from two forms spontaneous infection with Pasteurella multocida was undertaken. Twelve commercially produced different ages respiratory health status were divided into four groups: 0 to 21 days (G1, n = 2); 23 49 (G2, 51 69 (G3, diseased septicemia rhinitic form P. (G4, 3). The main changes observed a widening interepithelial spaces, increased activity number goblet cells, formation types vacuoles...
Abstract This study proposes an ecological approach for preventing respiratory tract infections caused by Bordetella bronchiseptica in mammals using a mixture of carbohydrates. In vivo study, 51-day-old New Zealand rabbits were treated with solution containing 1 × 10 7 CFUs B. and 250 μg one the following carbohydrates: N acetylglucosamine (GlcNAc), acetylgalactosamine (GalNAc), alpha methyl mannose (AmeMan), glucose (AmeGlc) sialic acid (Neu5AC). Positive ( ) negative (Physiological Saline...
cArlos g. sAntos-gAllego, JUAn J. BADimOn Correct stratification of cardiovascular risk (CVR) is complex. In primary prevention [defined as the preventive activity performed in people without atherosclerotic evidence (most population > 35 years)] this conceived a strategy, consisting identifying high subjects to decrease levels factors (CVRF) by means lifestyle or medication changes, much more efficient approach than focusing on low population. The best tool establish priorities accurate...
El objetivo de esta investigación fue estandarizar el protocolo técnico para la cuantificación IFN-Ɣ bovinos infectados con L. monocytogenes. proyecto, se realizó en un conglomerado lechero del departamento Cundinamarca. Se seleccionaron 169 animales, a los cuales, les aislamiento microbiológico, partir materia fecal, leche e hisopados vaginales, encontrando 53 positivos y 116 negativos; posteriormente, tomaron muestras sangre completa heparina, cuantificar, por ELISA, IFN-ɣ producido...
Esta investigación tuvo como objetivo determinar la influencia de listeriosis sobre el desempeño reproductivo y presentación mastitis subclínica, en un conglomerado lechero, Sabana Bogotá. Se tomaron al azar ochenta cuatro vacas producción capacidad reproductiva, que fueron examinadas dos veces, con intervalo meses, para total 168 muestras, mediante técnica ELISA, IFγ bovino específico listeriosis. Los resultados indicaron una incidencia 36% positividad a enfermedad. Las positivas IF γ...
Pasteurella multocida subsp. is responsible for different diseases that generate great economic losses in farm animal. The effectiveness of immunization against those bacteria are variable and the use antibiotics questioned; reason, we investigated potential inhibitory effect carbohydrates on adherence vivo P. to rabbit respiratory epithelium as an alternative prevention infections. Rabbits were intranasally intratracheally inoculated with a solution containing 200 µl 1x107 CFU was...
La aproximacion a las lesiones de tipo penfigo que se presentan en cavidad oral parte su aparienciaclinica, manifestacion sistemica, criterio diagnostico y fisiopatologia. Este describe, como una ampollaproducida por la separacion entre uniones desmosomales debido presencia autoanticuerposen contra proteinas adhesion, desmogleinas. Su diferencial es el penfigoide laetiologia caracter hereditario o causa externas como: radiacion ultravioleta, dieta, pesticidas medicamentos, otros....
Abstract Background: The macrophage is both the host and effector phagocytic cell in recognition clearence of L. panamensis parasites. contribution Toll-like receptors (TLRs) outcome infection unknown American cutaneous leishmaniasis. Objetive: aim this study to determine whether TLRs have a role identify which are involved response human macrophages. Methods: TNFα production cellular expression were measured primary macrophages from healthy donors ligands with promastigotes. Production TLR...