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Videos de Conceptos Relacionados

Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

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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...
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Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

Lipid-Lowering Drugs: Statins and Miscellaneous Agents

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Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
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Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

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The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
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Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

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Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
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Overview of Lipid Metabolism01:24

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Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
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Dipeptidyl Peptidase 4 Inhibitors01:23

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Dipeptidyl peptidase 4 (DPP-4) is a serine protease widely distributed in the body. It's involved in the inactivation of GLP-1 and GIP hormones, which are crucial for insulin regulation. DPP-4 inhibitors, such as sitagliptin (Januvia), saxagliptin (Onglyza), linagliptin (Tradjenta), alogliptin (Nesina), and vildagliptin (Galvus), help increase the proportion of active GLP-1, enhancing insulin secretion. These inhibitors work by competitively binding to DPP-4. This binding causes a...
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Incidence and Predictors of Acute Pancreatitis in Patients With Diabetic Ketoacidosis (DKA) and Hyperosmolar Hyperglycemic State (HHS): A Multicenter Retrospective Study.

Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists·2026
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Mechanisms and clinical implications of gut-brain interactions.

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Identification of intestinal enteroendocrine cell subtypes and their associated hormones in zebrafish.

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Mutant p53 affects the mitochondrial proteome, promoting mitochondrial fragmentation and OXPHOS in pancreatic ductal adenocarcinoma cells.

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Video Experimental Relacionado

Updated: Sep 10, 2025

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El fosfato mejora la función mitocondrial y reduce la pancreatitis en la hipertrigliceridemia

Nidula Mullappilly1, Sandip M Swain1, Joelle M-J Romac1

  • 1Department of Medicine, Duke University, North Carolina, USA.

FASEB journal : official publication of the Federation of American Societies for Experimental Biology
|August 26, 2025
PubMed
Resumen

La suplementación con fosfato protege contra la pancreatitis asociada a la hipertrigliceridemia (HTGP). Corrige el desequilibrio de calcio y la disfunción mitocondrial, reduciendo la inflamación pancreática y las lesiones en ratones.

Palabras clave:
Aplicación de las medidas de seguridadEl ATPhipertrigliceridemiahipofosfatemiaLas mitocondriasEnfermedad del páncreas

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Área de la Ciencia:

  • La bioquímica
  • Biología celular
  • Gastroenterología

Sus antecedentes:

  • La pancreatitis asociada a la hipertrigliceridemia (HTGP) es una causa significativa de la pancreatitis aguda, pero sus mecanismos subyacentes siguen sin estar claros.
  • La hipofosfatemia, un estado de bajos niveles de fosfato, se observa con frecuencia en pacientes con pancreatitis y está relacionada con trastornos metabólicos y dislipidemia.

Objetivo del estudio:

  • Investigar el papel crítico del estado de fosfato en el desarrollo de HTGP.
  • Determinar si la suplementación con fosfato puede mitigar la lesión pancreática en un modelo de ratón con hipertrigliceridemia.

Principales métodos:

  • Se utilizó un modelo transgénico de hipertrigliceridemia en ratones APOC3.
  • Se evaluaron los marcadores de lesión pancreática, incluidos los niveles de calcio intraacinario, la función mitocondrial, la mieloperoxidasa y las citoquinas proinflamatorias.
  • Se evaluaron los efectos de la suplementación con fosfato en estos marcadores y en la pancreatitis inducida por la caeruleína.

Principales resultados:

  • Los ratones con hipertrigliceridemia mostraron lesión pancreática, aumento del calcio en los orgánulos no ER, deterioro de la función mitocondrial y aumento de la inflamación.
  • La suplementación con fosfato normalizó los niveles de calcio, restauró la función mitocondrial y redujo la inflamación y la lesión pancreática.
  • La suplementación con fosfato también disminuyó la gravedad de la pancreatitis en ratones con una dieta baja en fosfato en condiciones de hipertrigliceridemia.

Conclusiones:

  • El fosfato juega un papel protector crucial en el páncreas durante la hipertrigliceridemia.
  • La suplementación con fosfato mejora la HTGP restaurando la homeostasis del calcio y la función mitocondrial, y reduciendo la inflamación.