Video Experimental Relacionado
Updated: Jul 10, 2026
17:35
A Microplate Assay to Assess Chemical Effects on RBL-2H3 Mast Cell Degranulation: Effects of Triclosan without Use of an Organic Solvent
Published on: November 1, 2013
Interferencia del triclosán con la señalización endocrina: una investigación mecanicista
Deepa Sharma1, Tarang Kumar Shah2, Reshma Sinha1
1Department of Animal Sciences, School of Life Sciences, Central University of Himachal Pradesh, Kangra-176206.
Toxicology letters
|February 4, 2026
Resumen
El triclosán (TCS), un antimicrobiano común, actúa como un disruptor endocrino. Interfiere con las vías hormonales, afectando la esteroidogénesis, la regulación tiroidea y las hormonas metabólicas, lo que requiere una mayor evaluación de riesgos.
Área de la Ciencia:
- Endocrinología
- Toxicología
- Salud Ambiental
Sus antecedentes:
- El triclosán (TCS) es un agente antimicrobiano de uso generalizado en diversos productos de consumo y médicos.
- Su potencial para interferir con las vías hormonales genera preocupación sobre la disrupción endocrina.
Objetivo del estudio:
- Revisar la base mecanicista de la disrupción endocrina inducida por el TCS.
- Consolidar los datos existentes sobre el impacto del TCS en las principales funciones endocrinas.
Principales métodos:
- Revisión de la literatura de estudios moleculares y celulares.
- Análisis de datos sobre esteroidogénesis, señalización de receptores, regulación de hormonas tiroideas y diafonía de hormonas metabólicas.
Principales resultados:
- El TCS interfiere con la esteroidogénesis y la regulación de las hormonas tiroideas.
- La evidencia sugiere que el TCS actúa como un disruptor endocrino.
- Los productos de transformación del TCS también pueden presentar peligros.
Conclusiones:
- El TCS altera significativamente las principales funciones endocrinas.
- Se necesita más investigación para una evaluación de riesgos integral y decisiones regulatorias sobre la exposición al TCS.
Videos de Conceptos Relacionados
01:45Endocrine Signaling
Endocrine cells produce hormones to communicate with remote target cells found in other organs. The hormone reaches these distant areas using the circulatory system. This exposes the whole organism to the hormone but only those cells expressing hormone receptors or target cells are affected. Thus, endocrine signaling induces slow responses from its target cells but these effects also last longer.
01:45Endocrine Signaling
Endocrine cells produce hormones to communicate with remote target cells found in other organs. The hormone reaches these distant areas using the circulatory system. This exposes the whole organism to the hormone but only those cells expressing hormone receptors or target cells are affected. Thus, endocrine signaling induces slow responses from its target cells but these effects also last longer.
01:08Chemical Signaling in the Endocrine System
A signaling cascade is a series of events that facilitates the transmission of information within or between cells, culminating in a targeted response in the recipient cell. As chemical messengers, hormones are pivotal in initiating and modulating these intricate signaling cascades based on their solubility.
Lipid-soluble hormones, such as steroid hormones, demonstrate an intracellular action. These hormones traverse cell membranes due to their lipid nature. Once inside the target cell, they...
Lipid-soluble hormones, such as steroid hormones, demonstrate an intracellular action. These hormones traverse cell membranes due to their lipid nature. Once inside the target cell, they...
01:28Gene Regulation in Microbial Communities: Quorum Sensing
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
01:18Trichomoniasis
Trichomonas vaginalis is a flagellated protozoan parasite and the causative agent of trichomoniasis, one of the most prevalent non-viral sexually transmitted infections in the United States. This extracellular parasite primarily colonizes the lower genitourinary tract in women—particularly the vagina—and in men, the urethra and prostate. Its structural and functional adaptations enable its survival, motility, and pathogenicity within the host environment.Structural Features and Host EntryT.