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Related Concept Videos

Regulation of the Cardiovascular System01:27

Regulation of the Cardiovascular System

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The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
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Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

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Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
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Proteoglycans01:05

Proteoglycans

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Glycans, a class of complex heterogeneous molecules, can be covalently attached to proteins to form glycosylated proteins that regulate various physiological and pathological processes. Glycosylated proteins or glycoproteins comprise N-linked and O-linked oligosaccharides. O-glycosylation is the most common type of protein glycosylation. Here, glycans attach to the oxygen atom of the hydroxyl groups of Serine or Threonine residues. O-linked glycosylation occurs later in protein processing,...
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Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

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Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
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Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
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Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

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Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
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Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

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Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
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Osteoprotegerin in Cardiometabolic Disorders.

C Pérez de Ciriza1, A Lawrie2, N Varo1

  • 1Department of Clinical Chemistry, Clínica Universidad de Navarra, Avenida Pío XII 36, 31008 Pamplona, Spain.

International Journal of Endocrinology
|June 17, 2015
PubMed
Summary

Osteoprotegerin (OPG) is linked to cardiovascular disease (CVD) and diabetes complications. This review explores OPG

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Area of Science:

  • Cardiovascular Science
  • Endocrinology
  • Biomarker Research

Background:

  • Osteoprotegerin (OPG), traditionally linked to bone remodeling, is increasingly associated with cardiovascular disease (CVD).
  • Elevated circulating OPG levels correlate with vascular damage and CVD in human studies.
  • OPG is emerging as a potential biomarker for cardiovascular risk assessment.

Purpose of the Study:

  • To review the relationship between circulating Osteoprotegerin (OPG) and cardiometabolic alterations.
  • To examine the association of OPG with diabetic complications and cardiovascular outcomes.
  • To explore OPG modulation by treatments and its link to other cardiovascular risk factors.

Main Methods:

  • Literature review focusing on human studies and clinical data.
  • Analysis of the association between OPG levels and various cardiometabolic conditions.
  • Synthesis of information on OPG's role in diabetic complications, atherosclerosis, and mortality.

Main Results:

  • Circulating OPG is positively associated with vascular damage and cardiovascular disease.
  • OPG levels correlate with type 1 and type 2 diabetes and their complications (neuropathy, nephropathy, retinopathy).
  • OPG is linked to atherosclerosis, coronary artery calcification, morbidity, and mortality, and its levels can be modulated by treatments.

Conclusions:

  • Osteoprotegerin (OPG) is a significant factor in cardiometabolic diseases, particularly diabetes.
  • OPG serves as a potential biomarker for predicting cardiovascular risk and complications.
  • Understanding OPG's role may lead to new therapeutic strategies for managing cardiovascular and metabolic disorders.