Jove
Visualize
Contáctanos

Videos de Conceptos Relacionados

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

749
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
749
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

516
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
516

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Linezolid-induced peripheral neuropathy in a patient with multidrug-resistant pulmonary tuberculosis: a case report and comprehensive literature review.

Neurologia croatica : glasilo Udruzenja neurologa Jugoslavije = official journal of Yugoslav Neurological Association·2026
Same author

Application of a clinical scale for predicting Aβ-positivity in a multicentre Canadian dementia cohort: A necessity in the era of amyloid targeting treatment.

Journal of the neurological sciences·2026
Same author

Selective molecular and network architecture features underlie brain cortical atrophy in dementia with Lewy bodies.

Journal of biomedical science·2026
Same author

Biases and consistency of different assay methods for neurological biomarkers using Quanterix single-molecule-array technology: A secondary analysis method comparison study.

NeuroMarkers·2026
Same author

Simoa and MSD platforms show analytical discordance but comparable diagnostic performance for GFAP, NF-L, and T-tau in adolescent concussion.

Scientific reports·2026
Same author

Examining the effects of alcohol use on verbal memory processes in older adults with mild cognitive impairment.

Journal of Alzheimer's disease : JAD·2026
Same journal

Unveiling the procoagulant state in Alzheimer's disease: A novel PET imaging strategy.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Estimated labor market outcomes of people progressing from preclinical to early-stage Alzheimer's disease in the United States.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Amyloid exacerbates tau and alpha-synuclein pathologies, behavioral impairments, and neuroinflammation in a mixed dementia model.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Multimorbidity burden and patterns associated with DeepBrainNet-derived brain-age gap in dementia-free older adults: A community-based study.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Reply to "Shifting the emphasis of brain health literacy from individuals to systems to reduce inequalities".

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Shifting the emphasis of brain health literacy from individuals to systems to reduce inequalities.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Ver todos los artículos relacionados
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Video Experimental Relacionado

Updated: Jan 7, 2026

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
07:20

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies

Published on: January 28, 2014

37.1K

Biomarcadores

Durjoy Lahiri1,2,3, Jennifer G Cooper4, Bruna Seixas Lima5,6

  • 1Department of Medicine, Queen's University, Kingston, ON, Canada.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Los pacientes con síndrome de Alzheimer sin placas de amiloide muestran perfiles distintos de biomarcadores en sangre. Se encontraron niveles elevados de tau fosforilada (p-tau), GFAP y NfL en individuos negativos para amiloide, lo que sugiere patologías subyacentes diferentes.

Palabras clave:
BiomarcadoresAlzheimertau fosforiladaGFAPNfLplacas de amiloidepatología

Más Videos Relacionados

Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances
07:35

Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances

Published on: October 11, 2018

7.9K
Ecotoxicological Methodologies to Evaluate Biomarkers at Different Scales in Neotropical Anurans
08:14

Ecotoxicological Methodologies to Evaluate Biomarkers at Different Scales in Neotropical Anurans

Published on: April 28, 2023

702

Videos de Experimentos Relacionados

Last Updated: Jan 7, 2026

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
07:20

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies

Published on: January 28, 2014

37.1K
Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances
07:35

Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances

Published on: October 11, 2018

7.9K
Ecotoxicological Methodologies to Evaluate Biomarkers at Different Scales in Neotropical Anurans
08:14

Ecotoxicological Methodologies to Evaluate Biomarkers at Different Scales in Neotropical Anurans

Published on: April 28, 2023

702

Área de la Ciencia:

  • Neurología
  • Descubrimiento de biomarcadores
  • Enfermedades neurodegenerativas

Sus antecedentes:

  • Un porcentaje significativo de pacientes con síndrome de Alzheimer carece de placas de amiloide en el cerebro.
  • Las diferencias patológicas entre individuos positivos (Aβ+) y negativos (Aβ-) para amiloide no se comprenden bien.
  • Los biomarcadores en sangre pueden dilucidar la fisiopatología del Alzheimer Aβ-.

Objetivo del estudio:

  • Comparar biomarcadores en sangre entre subgrupos Aβ- y Aβ+ dentro del síndrome clínico de Alzheimer.
  • Identificar posibles marcadores diagnósticos para distinguir fenotipos de Alzheimer.

Principales métodos:

  • Revisión retrospectiva de historias clínicas de pacientes de ensayos clínicos anti-amiloide.
  • El estado de beta-amiloide (Aβ) se determinó mediante análisis de LCR o imágenes de PET.
  • Análisis de plasma utilizando Quanterix Simoa HD-X para p-tau 181, p-tau 217, GFAP, NfL y TDP-43.

Principales resultados:

  • No hubo diferencias demográficas o cognitivas significativas entre los grupos Aβ+ (n=25) y Aβ- (n=20).
  • El grupo Aβ+ mostró concentraciones significativamente más altas de p-tau 181, p-tau 217, GFAP y NfL.
  • El grupo Aβ- presentó concentraciones marcadamente más altas de TDP-43, aunque no fue estadísticamente significativo.

Conclusiones:

  • Los perfiles distintos de biomarcadores en sangre diferencian a los pacientes con síndrome de Alzheimer Aβ+ y Aβ-.
  • Los hallazgos proporcionan información sobre la fisiopatología del subgrupo de Alzheimer sin amiloide.
  • Los biomarcadores en sangre ofrecen una vía potencial para comprender la heterogeneidad del Alzheimer.