Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions01:20

Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions

Arenediazonium substitution reactions occur when the diazonium group is substituted by various functional groups such as halides, hydroxyl, nitrile, etc. For instance, arenediazonium salts react with copper(I) salts of chloride, bromide, or cyanide to form corresponding aryl chlorides, bromides, and nitriles. These reactions are named Sandmeyer reactions. Although the mechanism of this reaction is complicated, as illustrated in Figure 1, they are believed to progress via an aryl copper...
Aryldiazonium Salts to Azo Dyes: Diazo Coupling01:11

Aryldiazonium Salts to Azo Dyes: Diazo Coupling

The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the para position.
Dosage Regimen: Fixed Dose01:01

Dosage Regimen: Fixed Dose

Fixed-dose regimens are a common approach to administer drugs to achieve and maintain desired levels of the drug in the body. In this dosing strategy, a specific amount of medication is given at regular intervals, often multiple times a day, to ensure a consistent drug concentration in the bloodstream.
Fixed-dose regimens can be used for various routes of administration, including intravenous (IV) injections and oral medications. For IV administration, a predetermined amount of the drug is...
Antihypertensive Drugs: Thiazide-Class Diuretics01:15

Antihypertensive Drugs: Thiazide-Class Diuretics

Thiazide diuretics are sulfonamide derivatives featuring a benzothiadiazine ring system in their molecular structure. Based on this structure, thiazide diuretics can be categorized into two groups: thiazide-type and thiazide-like diuretics. Thiazide-type diuretics, including hydrochlorothiazide and chlorothiazide, consist of a benzothiadiazine backbone with an attached sulfonamide group. Thiazide-like diuretics, such as chlorthalidone and indapamide, lack the thiazide ring but demonstrate...
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...
Antiprotozoal Agents01:21

Antiprotozoal Agents

Leishmaniasis is a widespread parasitic disease caused by several Leishmania species. It affects millions of people each year and remains a major public health problem in endemic regions. First-line treatment relies on pentavalent antimonials, including meglumine antimoniate and sodium stibogluconate. Even so, how these drugs work has not been fully clear, especially their interaction with parasite-specific biochemical pathways. One key target is trypanothione reductase (TR), an enzyme that...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

An HMG-I protein from human endothelial cells apparently is secreted and impairs activation of Hageman factor (factor XII).

Proceedings of the Association of American Physicians·1998
Same author

Molecular defects in hereditary angioneurotic edema.

Proceedings of the Association of American Physicians·1997
Same author

Antibody to C1-inhibitor in a patient receiving C1-inhibitor infusions for treatment of hereditary angioneurotic edema with systemic lupus erythematosus reacts with a normal allotype of residue 458 of C1-inhibitor.

The Journal of laboratory and clinical medicine·1996
Same author

An autoantibody to C1-inhibitor recognizes the reactive center of the inhibitor.

The Journal of laboratory and clinical medicine·1996
Same author

A cluster of mutations within a short triplet repeat in the C1 inhibitor gene.

Proceedings of the National Academy of Sciences of the United States of America·1994
Same author

Contiguous deletion and duplication mutations resulting in type 1 hereditary angioneurotic edema.

Human genetics·1994
Same journal

GLP-1 Receptor Agonists and Age-related Macular Degeneration Risk in Diabetes or Non-diabetic Obesity: A Retrospective Cohort Study.

The American journal of medicine·2026
Same journal

Marijuana Use and Acute Myocardial Infarction: Mechanistic Insights, Clinical Implications, and Emerging Challenges.

The American journal of medicine·2026
Same journal

Cave Canem - Beware of the Dog.

The American journal of medicine·2026
Same journal

Risk Factors for 30-day Hospital Readmission After Hospital-at-Home Treatment of Acute Pyelonephritis.

The American journal of medicine·2026
Same journal

Mesenteric Panniculitis.

The American journal of medicine·2026
Same journal

Hypercalcemia and hyperferritinemia in a patient with Graves' disease disease.

The American journal of medicine·2026
See all related articles

Related Experiment Video

Updated: Jul 1, 2026

Establishing Cell Lines Overexpressing DR3 to Assess the Apoptotic Response to Anti-mitotic Therapeutics
12:28

Establishing Cell Lines Overexpressing DR3 to Assess the Apoptotic Response to Anti-mitotic Therapeutics

Published on: January 11, 2019

Danazol.

V H Donaldson1

  • 1University of Cinncinnati, College of Medicine, Children's Hospital Research Foundation, Ohio 45229.

The American Journal of Medicine
|September 1, 1989
PubMed
Summary
This summary is machine-generated.

Danazol, a synthetic androgen, effectively treats endometriosis and breast conditions by disrupting pituitary-gonadal interactions. Its precise mechanism for hereditary angioneurotic edema remains under investigation.

More Related Videos

An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay
09:47

An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay

Published on: February 1, 2019

Examination of Anatomical Features of Retinal Ganglion Cells Under N-methyl-D-aspartic Acid (NMDA)-induced Excitotoxicity
07:11

Examination of Anatomical Features of Retinal Ganglion Cells Under N-methyl-D-aspartic Acid (NMDA)-induced Excitotoxicity

Published on: September 19, 2025

Related Experiment Videos

Last Updated: Jul 1, 2026

Establishing Cell Lines Overexpressing DR3 to Assess the Apoptotic Response to Anti-mitotic Therapeutics
12:28

Establishing Cell Lines Overexpressing DR3 to Assess the Apoptotic Response to Anti-mitotic Therapeutics

Published on: January 11, 2019

An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay
09:47

An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay

Published on: February 1, 2019

Examination of Anatomical Features of Retinal Ganglion Cells Under N-methyl-D-aspartic Acid (NMDA)-induced Excitotoxicity
07:11

Examination of Anatomical Features of Retinal Ganglion Cells Under N-methyl-D-aspartic Acid (NMDA)-induced Excitotoxicity

Published on: September 19, 2025

Area of Science:

  • Endocrinology
  • Pharmacology

Background:

  • Danazol is a synthetic androgen impacting the pituitary-hypothalamic-gonadal axis.
  • Its complex mechanisms involve competing for steroid binding and inhibiting steroid synthesis enzymes.

Purpose of the Study:

  • To elucidate the mechanisms of danazol's therapeutic effects.
  • To understand its efficacy in various gynecologic and hematologic disorders.

Main Methods:

  • Review of danazol's known interactions with androgen receptors and sex hormone-binding globulin.
  • Analysis of its impact on steroid synthesis pathways.
  • Clinical observations of its use in endometriosis, breast conditions, hereditary angioneurotic edema, and other disorders.

Main Results:

  • Danazol interferes with pituitary-hypothalamic-gonadal interactions.
  • It competes with natural steroids for receptor binding and inhibits steroid synthesis.
  • Effective in endometriosis, cystic breast disease, and hereditary angioneurotic edema, though mechanisms vary.

Conclusions:

  • Danazol's therapeutic actions stem from its modulation of the endocrine system.
  • Its efficacy is established for specific conditions, but further research is needed for others.
  • Understanding its mechanisms can guide future therapeutic strategies.