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Related Concept Videos

Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
Complications of Diabetes Mellitus01:22

Complications of Diabetes Mellitus

Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...
Diabetic Nephropathy01:28

Diabetic Nephropathy

Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration occur due to afferent arteriolar...
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...
Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
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.

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Related Experiment Video

Updated: Jun 5, 2026

Mouse Electroacupuncture Fixation Device Fabrication for Electroacupuncture Pretreatment in Diabetic Cardiomyopathy Mouse Model
05:58

Mouse Electroacupuncture Fixation Device Fabrication for Electroacupuncture Pretreatment in Diabetic Cardiomyopathy Mouse Model

Published on: April 18, 2025

Histamine in Diabetic Cardiovascular Complications.

Shanshan Hu1, Gaofeng Zeng1, Yao Tang1

  • 1Clinical Medicine Research Center of Arteriosclerotic Disease of Hunan Province, The Second Affiliated Hospital, Hengyang Medical School, University of South China, 421002 Hengyang, Hunan, China.

Reviews in Cardiovascular Medicine
|June 4, 2026
PubMed
Summary
This summary is machine-generated.

Diabetic cardiomyopathy, a major cause of diabetes mortality, involves inflammation. Macrophage-secreted histamine accumulation is key to cardiovascular complications, but precise mechanisms require more study.

Keywords:
H1Rdiabetic cardiomyopathyhistamine

Related Experiment Videos

Last Updated: Jun 5, 2026

Mouse Electroacupuncture Fixation Device Fabrication for Electroacupuncture Pretreatment in Diabetic Cardiomyopathy Mouse Model
05:58

Mouse Electroacupuncture Fixation Device Fabrication for Electroacupuncture Pretreatment in Diabetic Cardiomyopathy Mouse Model

Published on: April 18, 2025

Area of Science:

  • Cardiovascular Science
  • Endocrinology
  • Immunology

Background:

  • Diabetic cardiovascular complications are the leading cause of mortality in diabetes mellitus.
  • Diabetic cardiomyopathy pathogenesis involves inflammation, hyperinsulinemia, mitochondrial dysfunction, endoplasmic reticulum stress, and coronary microcirculation disorders.
  • Inflammatory responses are pivotal in diabetic cardiomyopathy development.

Purpose of the Study:

  • To investigate the role of histamine and its receptor-mediated pathways in diabetic cardiovascular complications.
  • To elucidate the specific mechanisms linking histamine accumulation to diabetic cardiomyopathy.
  • To highlight the need for further research into histamine's role in diabetes-associated heart disease.

Main Methods:

  • Review of existing literature on diabetic cardiomyopathy and histamine.
  • Analysis of studies implicating inflammatory responses in diabetes.
  • Examination of the role of macrophages and histamine secretion in diabetic tissues.

Main Results:

  • Histamine accumulation, secreted by macrophages, is crucial for the onset and progression of diabetic cardiovascular complications.
  • Histamine and its receptor-mediated signaling pathways are implicated in the disease.
  • The precise molecular mechanisms underlying histamine's contribution to diabetic cardiomyopathy remain largely unelucidated.

Conclusions:

  • Inflammatory responses, particularly histamine accumulation, are central to diabetic cardiomyopathy.
  • Further investigation is warranted to fully understand histamine-mediated signaling in diabetic cardiovascular complications.
  • Targeting histamine pathways may offer novel therapeutic strategies for diabetic heart disease.