Imidazoline Receptor Agonists for Managing Hypertension May Hold Promise for Treatment of Intracerebral Hemorrhage

J Mahmoudi1, A Majdi1, S Lattanzi2

  • 1Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.

Current Molecular Medicine
|September 28, 2018
PubMed

Insights

Novel antihypertensive imidazoline receptor agonists show promise for managing blood pressure and reducing brain injury after intracerebral hemorrhage (ICH). These agents offer neuroprotection by inhibiting inflammation and cell death, improving outcomes for ICH patients.

Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Pharmacology

Background:

  • Intracerebral hemorrhage (ICH) is a severe stroke subtype with high mortality.
  • Hypertension is a primary risk factor for ICH, and current treatments are insufficient.
  • Effective blood pressure management in acute ICH is crucial.

Purpose of the Study:

  • To review the potential of imidazoline receptor (IR) agonists in managing blood pressure (BP) in ICH patients.
  • To explore the neuroprotective effects of IR agonists following ICH.
  • To highlight novel therapeutic strategies for ICH.

Main Methods:

  • Literature review focusing on studies of IR agonists and their effects on BP and brain injury.
  • Analysis of preclinical and clinical data regarding IR agonist efficacy and safety.
  • Synthesis of evidence on neuroprotective mechanisms of IR agonists.

Main Results:

  • IR agonists demonstrate potential for effective BP control in the acute phase of ICH.
  • IR agonists exhibit neuroprotective properties, including anti-inflammatory, anti-apoptotic, and anti-edema effects.
  • These agents may attenuate secondary brain injury post-ICH.

Conclusions:

  • Imidazoline receptor agonists represent a promising therapeutic class for ICH management.
  • Their dual action on BP control and neuroprotection warrants further investigation.
  • IR agonists could offer an improved treatment option for ICH patients.

Related Concept Videos

Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists01:23

Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists

Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
509
Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists01:18

Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists

Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
470
Glucagon-like Receptor Agonists01:24

Glucagon-like Receptor Agonists

Incretins include glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP), which stimulate insulin secretion post-meals. In type 2 diabetes, GIP's efficacy is reduced, making GLP-1 a viable drug target. GIP originates from preproGIP.
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by...
978
Hypertension V: Nursing Management01:23

Hypertension V: Nursing Management

The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.
442
Drug-Receptor Interaction: Agonist01:25

Drug-Receptor Interaction: Agonist

Agonists are drugs that interact with specific receptors in the body to produce a biological response. When an agonist binds to a receptor, it activates or enhances the receptor's function, leading to physiological effects. The interaction between agonist drugs and receptors is crucial for their therapeutic action in various medical treatments.
Agonists can bind to receptors in different ways. Some agonists bind directly to the receptor's active site, mimicking the endogenous...
4.1K
Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers01:26

Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers

Receptor tyrosine kinase inhibitors (TKIs) and calcium channel blockers (CCBs) are two critical categories of drugs employed in the treatment of pulmonary artery hypertension (PAH). PAH is a disease that causes high blood pressure in the pulmonary arteries, resulting in chest pain, fatigue, and shortness of breath.
TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...
539