Results: 358

Inmunización feto materna contra antígenos de HLA en mujeres de una población paraguaya

El embarazo es la única causa natural de inmunización contra el sistema de Antígenos Leucocitarios Humano (HLA). Durante la gestación hay paso de leucocitos fetales a través de la placenta, lo que puede desencadenar en la madre una respuesta inmunológica contra los antígenos HLA fetales de origen ...

Utility of anti-C1q and anti-nucleosome antibodies in systemic lupus erythematosus and lupus nephritis in southwestern Colombia

Rev. colomb. reumatol; 28 (1), 2021
ABSTRACT Introduction: Lupus nephritis (LN) is one of the most prevalent and severe complications of systemic lupus erythematosus (SLE), requiring reliable urine and serum biomarkers to evaluate it. Anti-nucleosome and anti-C1q antibodies are associated with LN in several geographic regions. Also, sout...

Autoinmunidad, convulsiones y epilepsia: breve revisión sistemática

INTRODUCCIÓN: La epilepsia es un desorden neurológico crónico caracterizado por crisis convulsivas recurrentes, y constituye uno de los trastornos neurológicos con mayor prevalencia global. Una de las etiologías que ha cobrado mayor relevancia en el último tiempo es la autoinmunidad, la que ha veni...

Niveles de Interferón Tipo I en pacientes con Lupus Eritematoso Sistémico

Introducción: El interferón (IFN) tipo I es una citoquina que juega un rol fundamental en la patogenia del Lupus Eritematoso Sistémico (LES). Diferentes niveles de esta citoquina podrían explicar la heterogeneidad de esta patología y ser útil para evaluar la actividad de la misma. Objetivos: Determ...

Anti-PD-1 and anti-PD-l1 antibodies as immunotherapy against cancer: a structural perspective

Rev. invest. clín; 73 (1), 2021
ABSTRACT Programmed cell death protein 1 (PD-1) and its ligand, programmed death-ligand-1 (PD-L1), play key roles in the suppression of the cytotoxic activity of T cells. PD-L1 is overexpressed on various types of cancer cells, leading to immune evasion. In the past decade, therapeutic antibodies that ta...

Seroprevalence of zika virus in a cattle flock

Arq. Inst. Biol; 88 (), 2021
The present research evaluated the seroprevalence of anti-zika virus (anti-ZIKV) antibodies by virus neutralization test (VNT) in 529 bovines from Andradina city, São Paulo state, Brazil. The reading was performed in an inverted optical microscope, considering reagents when the antibodies were capable t...

Detection of anti-Toxoplasma gondiiantibodies in wild free-living birds and mammals from the northwest region of São Paulo state, Brazil

Toxoplasmosis is a protozoonosis caused by an obligate intracellular parasite named Toxoplasma gondii, which can infect humans and a large number of homeothermic animal species with worldwide distribution. The present study aimed to detect anti-T. gondii antibodies from serological samples of free-livin...

Use of oral fluids to detect anti Lawsonia intracellularis antibodies in experimentally infected pigs

Pesqui. vet. bras; 40 (12), 2020
Several pathogens and antibodies derived from serum or produced in tissues associated with the oral cavity are present in the oral fluid (OF). Considering the applicability of this alternative sample, recent studies in veterinary medicine have tested OF as a replacement for serum in diagnostic assays. Th...

Autoinmunidad tiroidea en mujeres con Síndrome de Ovario Poliquístico
Thyroid autoimmunity in women with polycystic ovary syndrome

Rev. cuba. endocrinol; 31 (3), 2020
Introducción: Las bases fisiopatológicas del Síndrome de ovario poliquístico pueden predisponer a mayor riesgo de autoinmunidad a las mujeres que tienen esta condición y existen evidencias, aunque escasas, de mayor prevalencia de autoinmunidad tiroidea en ellas. Objetivos: Determinar la frecuenci...