Video Experimental Relacionado
Updated: Sep 10, 2025
09:04
DNBS/TNBS Colitis Models: Providing Insights Into Inflammatory Bowel Disease and Effects of Dietary Fat
Published on: February 27, 2014
47.8K
La grasa dietética se asocia con un mayor riesgo de aparición de enfermedades inflamatorias intestinales: una
Song Zhang1, Xiangyu Sui1, Jiahui Wei1
1Department of Gastroenterology, Changhai Clinical Research Unit, Changhai Hospital; National Key Laboratory of Immunity and Inflammation, Naval Medical University, Shanghai, China.
International journal of surgery (London, England)
|August 22, 2025
Resumen
El alto consumo de grasas está relacionado con un aumento moderado en el riesgo de enfermedad inflamatoria intestinal (EII). Sin embargo, los ácidos grasos poliinsaturados de cadena larga n-3 (LCN-n-3) y una alta proporción de n3/n6 pueden ofrecer protección contra la aparición de EII.
Área de la Ciencia:
- Gastroenterología
- Ciencias de la nutrición
- Epidemiología
Sus antecedentes:
- Se debate la relación entre la grasa en la dieta y la aparición de la enfermedad inflamatoria intestinal (EII).
- El papel de los ácidos grasos específicos en el riesgo de EII requiere más aclaraciones.
Objetivo del estudio:
- Investigar y cuantificar la asociación entre la ingesta de grasas en la dieta y el riesgo de aparición de EII.
- Explorar el impacto de los ácidos grasos específicos en el riesgo de EII.
Principales métodos:
- Se realizó una búsqueda sistemática de literatura en PubMed, Embase y Web of Science para estudios relevantes hasta enero de 2025.
- Se realizaron metanálisis, análisis de subgrupos, metarregresión y evaluaciones de la relación dosis-respuesta para agrupar los riesgos relativos (RR) y los intervalos de confianza del 95% (IC).
Principales resultados:
- Una mayor ingesta total de grasas mostró una asociación modesta con un mayor riesgo de aparición de EII (RR = 1,24).
- Los ácidos grasos poliinsaturados (AGPI) y el colesterol se relacionaron con un mayor riesgo de EII, mientras que los AGPI de cadena larga n-3 (LCN- n-3) y una alta proporción de AGPI n3/ n6 sugirieron un efecto protector.
- Las poblaciones específicas, incluidas las asiáticas, con una alta proporción de varones y individuos jóvenes, mostraron una mayor susceptibilidad a la EII asociada a la grasa.
Conclusiones:
- El consumo elevado de grasas puede estar asociado con un aumento moderado en el riesgo de aparición de EII, particularmente en lo que respecta a los AGPI y el colesterol.
- La ingesta de LCN-n-3 y una relación n3/n6-PUFA favorable podrían reducir potencialmente el riesgo de desarrollar EII.
Videos de Conceptos Relacionados
01:30Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
419
Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
419
01:27Inflammatory Bowel Disease I: Ulcerative Colitis
321
Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
321
01:30Inflammatory Bowel Disease II: Crohn's Disease
382
Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
382
01:17Chronic Bowel Disorders: Introduction
540
Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
540
01:38Inflammation
55.1K
Overview
55.1K
01:24Chronic Pancreatitis I: Introduction
148
The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
148