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Related Concept Videos

Testosterone: Functions and Regulation01:26

Testosterone: Functions and Regulation

The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
Hormonal Regulation01:40

Hormonal Regulation

Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
Hormonal Regulation01:33

Hormonal Regulation

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.
Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Therapeutic Drug Monitoring: Drug Analysis Methods01:26

Therapeutic Drug Monitoring: Drug Analysis Methods

Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood or body tissues to tailor drug therapy effectively. This monitoring is critical for managing drugs with narrow therapeutic indices like digoxin and phenytoin, ensuring they are both safe and effective. For instance, monitoring theophylline levels in asthma patients involves precision and sensitivity to adjust doses according to individual responses to therapy, ensuring efficacy and...
Therapeutic Drug Monitoring: Overview and Classification01:16

Therapeutic Drug Monitoring: Overview and Classification

Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood at designated intervals to ensure the drug concentration stays within a therapeutic range. This monitoring is crucial for optimizing individual dosage regimens, enhancing therapeutic efficacy, and minimizing drug-related toxicity. TDM is vital for drugs with narrow therapeutic windows, significant variability in pharmacokinetics, and a clear correlation between plasma levels and...

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Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
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Published on: March 2, 2011

Toward excellence in testosterone testing: a consensus statement.

William Rosner1, Hubert Vesper,

  • 1St. Luke's/Roosevelt Hospital Center, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York 10019, USA. wr7@columbia.edu

The Journal of Clinical Endocrinology and Metabolism
|October 8, 2010
PubMed
Summary
This summary is machine-generated.

Accurate testosterone measurement is crucial for patient health. A stakeholder group developed recommendations to standardize testosterone assays, improving diagnostic and treatment accuracy.

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Area of Science:

  • Clinical Chemistry
  • Endocrinology
  • Laboratory Medicine

Background:

  • Testosterone assays are vital in healthcare but suffer from deficiencies impacting patient care and research translation.
  • Current assay standards are insufficient, hindering the development of evidence-based clinical guidelines.
  • A multidisciplinary stakeholder group was formed to address these critical issues in testosterone measurement.

Purpose of the Study:

  • To establish goals, objectives, and actions for standardizing testosterone assays.
  • To ensure accurate and reliable measurement of testosterone levels.
  • To improve the quality of testosterone testing for better patient outcomes.

Main Methods:

  • Convening representatives from professional societies, government, and industry.
  • Identifying key areas for improvement in testosterone assay standardization.
  • Developing a consensus on necessary actions and recommendations.

Main Results:

  • Recommendations for technical assay improvements and standardization were agreed upon.
  • Plans include educating healthcare providers, patients, and the public on testosterone testing.
  • Support from journals, government agencies, and insurers will be sought to promote assay standardization.

Conclusions:

  • A preliminary timeline for implementing the recommendations was established.
  • The initiative aims to enhance the accuracy and reliability of testosterone testing.
  • Standardized assays are expected to improve disease diagnosis, treatment, and prevention.