Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Hyperglycemia01:29

Hyperglycemia

Hyperglycemia is an abnormally high blood glucose level. It is diagnosed by fasting glucose ≥126 mg/dL, 2-hour oral glucose tolerance test (or OGTT) ≥200 mg/dL, random glucose ≥200 mg/dL with symptoms, or HbA1c ≥6.5%. However, HbA1c results may be unreliable in certain conditions, such as anemia or hemoglobinopathies, and the diagnosis should be confirmed unless classic symptoms are present. Postprandial hyperglycemia is typically considered significant when glucose levels exceed 180 mg/dL two...
Oral Hypoglycemic Agents: Biguanides and Glitazones01:26

Oral Hypoglycemic Agents: Biguanides and Glitazones

Biguanides, particularly metformin (Glucophage), are insulin sensitizers that enhance glucose uptake, thereby reducing insulin resistance. Unlike sulfonylureas, metformin doesn't prompt insulin secretion, which helps to curb hypoglycemia risk. Metformin is beneficial in treating conditions like polycystic ovary syndrome due to its insulin-resistance reduction capability. The drug's primary action involves curtailing hepatic gluconeogenesis, a significant contributor to high blood glucose levels...
Type II Diabetes II: Pathophysiology01:24

Type II Diabetes II: Pathophysiology

PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.
Type I Diabetes II: Pathophysiology01:26

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
Type I Diabetes III: Clinical Manifestations01:19

Type I Diabetes III: Clinical Manifestations

Type 1 diabetes mellitus typically presents with rapid-onset symptoms due to the body’s inability to utilize glucose in the absence of insulin. Since insulin is required for glucose uptake into cells, its deficiency leads to hyperglycemia and cellular energy deprivation, resulting in characteristic clinical features.Polyuria and PolydipsiaOne of the earliest, most prominent symptoms is polyuria (excessive urination). When blood glucose concentrations rise above the renal threshold, the kidneys...
Hypoglycemia01:26

Hypoglycemia

Hypoglycemia is a blood glucose level below 70 mg/dL. It commonly occurs in individuals using insulin or insulin-secreting drugs, but may also arise in non-diabetic conditions. People with type 1 diabetes are at the highest risk because they depend on exogenous insulin. People with type 2 diabetes are also at risk, especially when treated with insulin or medications such as sulfonylureas, which increase insulin release regardless of blood glucose levels. It develops when insulin levels exceed...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Incidence of endometrial cancer among postmenopausal women using vaginal estrogen compared to estrogen and progestin combination hormone therapy.

Menopause (New York, N.Y.)·2026
Same author

Respiratory syncytial virus in adults aged ≥ 50 years in France: a database and time-series modelling analysis (2014-2020).

Infection·2026
Same author

Clinical and economic burden of respiratory syncytial virus among adults hospitalised with acute respiratory infections in Portugal.

Pulmonology·2026
Same author

A Microbiological Indicator of Multidrug Resistance in Feline Urinary Tract Infections: Antimicrobial Resistance Patterns in Cats in Portugal.

Veterinary sciences·2026
Same author

Incidence of respiratory syncytial virus and influenza: A Danish nationwide cohort study.

Human vaccines & immunotherapeutics·2026
Same author

Burden of respiratory syncytial virus and influenza in adults - a Danish nationwide cohort study.

Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases·2026

Related Experiment Video

Updated: May 20, 2026

Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)
08:13

Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)

Published on: January 7, 2018

[Association between hyperuricemia and insulin resistance].

Estela Abreu1, Maria João Fonseca, Ana Cristina Santos

  • 1Departamento de Epidemiologia Clínica, Medicina Preditiva e Saúde Pública, Faculdade de Medicina da Universidade do Porto, Instituto de Saúde Pública da Universidade do Porto, Porto, Portugal.

Acta Medica Portuguesa
|August 2, 2012
PubMed
Summary

Hyperuricemia, a condition of high uric acid levels, is linked to insulin resistance (IR) in Portuguese adults. This association is particularly strong in men and increases with higher uric acid levels in both genders.

More Related Videos

Hyperinsulinemic-euglycemic Clamps in Conscious, Unrestrained Mice
11:10

Hyperinsulinemic-euglycemic Clamps in Conscious, Unrestrained Mice

Published on: November 16, 2011

Evaluation of Hepatic Glucose Production in a Polycystic Ovary Syndrome Mouse Model
09:44

Evaluation of Hepatic Glucose Production in a Polycystic Ovary Syndrome Mouse Model

Published on: March 5, 2022

Related Experiment Videos

Last Updated: May 20, 2026

Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)
08:13

Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)

Published on: January 7, 2018

Hyperinsulinemic-euglycemic Clamps in Conscious, Unrestrained Mice
11:10

Hyperinsulinemic-euglycemic Clamps in Conscious, Unrestrained Mice

Published on: November 16, 2011

Evaluation of Hepatic Glucose Production in a Polycystic Ovary Syndrome Mouse Model
09:44

Evaluation of Hepatic Glucose Production in a Polycystic Ovary Syndrome Mouse Model

Published on: March 5, 2022

Area of Science:

  • Endocrinology
  • Metabolic Syndrome
  • Public Health

Context:

  • Insulin resistance (IR) is a known cardiovascular risk factor.
  • The relationship between IR and hyperuricemia is less understood.
  • Prevalence of hyperuricemia and its association with IR in Portuguese adults requires investigation.

Purpose:

  • To determine the prevalence of hyperuricemia in a Portuguese adult community sample.
  • To assess the association between hyperuricemia and insulin resistance (IR).

Summary:

  • A health survey of 1370 Portuguese adults found hyperuricemia prevalence at 12.8%.
  • Hyperuricemia was associated with a higher prevalence of IR (OR=1.84).
  • This association was stronger in men and increased with higher uric acid levels in both genders.

Impact:

  • Findings highlight hyperuricemia as a potential indicator for IR.
  • Suggests a need for further research into the mechanisms linking uric acid and IR.
  • Informs public health strategies for metabolic syndrome risk assessment.