Nitric oxide deficiency is a primary driver of hypertension

Nathan S Bryan1

  • 1Nitric Oxide Innovations, LLC, United States.

Biochemical Pharmacology
|November 9, 2022
PubMed

Insights

High blood pressure (hypertension) is often caused by a loss of nitric oxide, a natural blood vessel relaxant. Restoring nitric oxide production offers a promising strategy for managing hypertension.

Area of Science:

  • Cardiovascular Research
  • Vascular Biology
  • Hypertension Management

Background:

  • Hypertension is a critical global health issue and the leading modifiable risk factor for cardiovascular disease.
  • Despite available drug therapies and lifestyle recommendations, many patients experience uncontrolled high blood pressure.
  • Endothelial dysfunction, characterized by the loss of nitric oxide production, is identified as the earliest event in hypertension development.

Purpose of the Study:

  • To highlight the critical role of nitric oxide loss in hypertension.
  • To explore strategies for preventing nitric oxide depletion.
  • To discuss therapeutic approaches for restoring nitric oxide production and signaling in humans.

Main Methods:

  • Review of scientific literature over the past 40 years.
  • Analysis of the role of nitric oxide in vascular tone regulation.
  • Examination of clinical evidence for strategies to restore nitric oxide production.

Main Results:

  • Loss of nitric oxide production is a primary contributor to hypertension.
  • Endothelial dysfunction precedes the clinical manifestation of high blood pressure.
  • Restoring nitric oxide signaling is a viable therapeutic avenue.

Conclusions:

  • Targeting nitric oxide pathways is crucial for effective hypertension management.
  • Strategies to prevent nitric oxide loss and restore its production are essential.
  • Further research into nitric oxide-based therapies holds significant potential for cardiovascular health.

Related Concept Videos

Nitric Oxide Signaling Pathway01:28

Nitric Oxide Signaling Pathway

Nitric oxide (NO), an inorganic gas, acts as a potent second messenger in most animal and plant tissues. NO diffuses out of the cells that produce it and enters the neighboring cells to generate a downstream response. NO synthase (NOS) catalyzes NO production by the deamination of the amino acid arginine. There are three isoforms of NOS. Endothelial cells have endothelial NOS (eNOS), nerve and muscle cells have neuronal NOS (nNOS), and macrophages produce inducible NOS (iNOS) upon exposure...
5.1K
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
49
Antihypertensive Drugs: Vasodilators01:23

Antihypertensive Drugs: Vasodilators

Vasodilators, primarily affecting the smooth muscles within arterial and venous walls, are commonly used for hypertension treatment. Medications such as minoxidil and hydralazine primarily target arteries and arterioles, while sodium nitroprusside acts on arterioles and venules. Minoxidil, functioning as a prodrug, is metabolized by hepatic sulfotransferase into its active form, minoxidil sulfate, after oral administration. This metabolite binds to the sulfonylurea receptor (SUR) component of...
617
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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...
2.2K
Hypertension I: Introduction01:28

Hypertension I: Introduction

Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
49
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
38