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Related Concept Videos

Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
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Human Genetics01:28

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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Epigenetic Regulation01:46

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Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
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Hormonal Regulation of Blood Pressure01:17

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Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
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Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors01:30

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Angiotensin-converting enzyme (ACE), a vital component of the renin-angiotensin-aldosterone system, is abundant in lung endothelial cells. ACE converts the inactive decapeptide, angiotensin I, into the active octapeptide, angiotensin II. This potent vasoconstrictor narrows blood vessels, increasing resistance to blood flow and elevating blood pressure. Angiotensin II also stimulates aldosterone production, encouraging kidney cells to reabsorb more sodium and water from urine, thereby increasing...
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Hormonal Regulation01:33

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The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
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Updated: Jun 6, 2025

A Modified Two Kidney One Clip Mouse Model of Renin Regulation in Renal Artery Stenosis
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Epigenetics of Hypertensive Nephropathy.

Yize Zhang1, Hamidreza Arzaghi1, Zhehan Ma1

  • 1Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham, NC 27708, USA.

Biomedicines
|November 27, 2024
PubMed
Summary

Epigenetic mechanisms, including DNA methylation and histone modifications, drive hypertensive nephropathy (HN) progression. Targeting these epigenetic pathways offers new therapeutic avenues for chronic kidney disease (CKD).

Keywords:
epigenetic therapeuticsepigenetics of diseasehypertensive nephropathykidney diseasekidney glomerulus

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Area of Science:

  • Nephrology
  • Epigenetics
  • Molecular Biology

Background:

  • Hypertensive nephropathy (HN) is a primary cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD).
  • HN contributes significantly to patient morbidity, mortality, and escalating healthcare expenses.
  • Current treatments, such as Renin-Angiotensin-Aldosterone System (RAAS) inhibitors, have limitations.

Purpose of the Study:

  • To review the role of epigenetic mechanisms in the progression of hypertensive nephropathy (HN).
  • To explore potential therapeutic strategies targeting epigenetic pathways for HN.
  • To compare epigenetic mechanisms in HN with other kidney injury models.

Main Methods:

  • Literature review of epigenetic modifications (DNA methylation, histone modifications, non-coding RNAs) in kidney disease.
  • Discussion of HN pathophysiology and current research models (in vitro and in vivo).
  • Comparative analysis of HN-induced renal injury and epigenetic mechanisms across different kidney injury models.

Main Results:

  • Epigenetic mechanisms regulate key molecular signaling pathways involved in renal damage and fibrosis in HN.
  • Evidence suggests epigenetic modifications are crucial drivers of HN progression.
  • Limitations of RAAS inhibitors highlight the need for alternative therapeutic targets.

Conclusions:

  • Epigenetic mechanisms play a critical role in the progression of hypertensive nephropathy (HN).
  • Targeting epigenetic pathways presents a promising strategy for developing novel therapies for HN and CKD.
  • Further research into epigenetic regulation of HN is essential for effective prevention and treatment strategies.