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

Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

Hypothyroidism is a disorder characterized by insufficient production of thyroid hormones, which regulate metabolism, energy balance, and multiple organ systems.TypesHypothyroidism is classified based on the level of dysfunction. Primary hypothyroidism results from intrinsic thyroid gland dysfunction, causing reduced hormone production despite normal or increased stimulation. Secondary hypothyroidism arises from inadequate thyroid-stimulating hormone (TSH) secretion by the pituitary. Tertiary...
Hypoglycemia and Glucagon01:15

Hypoglycemia and Glucagon

Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...
Adrenal Gland Disorders01:27

Adrenal Gland Disorders

Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...
Major Hormones and Their Functions01:27

Major Hormones and Their Functions

Hormones, the biochemical messengers produced by endocrine glands, are pivotal in regulating bodily functions and maintaining homeostasis. Each hormone's balance is crucial; imbalances can lead to significant physiological disruptions. Major hormones include oxytocin, cortisol, epinephrine, estrogen, testosterone, thyroxine, growth hormone, insulin, and glucagon.
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and lactation.
Type I Diabetes III: Clinical Manifestations01:19

Type I Diabetes III: Clinical Manifestations

Type 1 diabetes mellitus typically presents with rapid-onset symptoms due to the body’s inability to utilize glucose in the absence of insulin. Since insulin is required for glucose uptake into cells, its deficiency leads to hyperglycemia and cellular energy deprivation, resulting in characteristic clinical features.Polyuria and PolydipsiaOne of the earliest, most prominent symptoms is polyuria (excessive urination). When blood glucose concentrations rise above the renal threshold, the kidneys...

You might also read

Related Articles

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

Sort by
Same author

An international simulated-use study to assess nurses' preferences between two lanreotide syringes for patients with neuroendocrine tumours or acromegaly (PRESTO 3).

Journal of endocrinological investigation·2023
Same author

A systematic literature review to evaluate extended dosing intervals in the pharmacological management of acromegaly.

Pituitary·2022
Same author

Revisiting peak serum cortisol response to insulin-induced hypoglycemia in children.

Journal of endocrinological investigation·2020
Same author

A Brazilian multicentre study evaluating pregnancies induced by cabergoline in patients harboring prolactinomas.

Pituitary·2019
Same author

October 2000: a 47 year old man with long-standing progressive tetraparesis.

Brain pathology (Zurich, Switzerland)·2001
Same author

[An en bloc cranio-orbitozygomatic approach: surgical technique and results].

Arquivos de neuro-psiquiatria·2000

Related Experiment Video

Updated: May 20, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

Prolactinoma: a condition associated with hypoadiponectinemia.

L F de Assunção Alves Rodrigues1, S M S Campos, P A C Miranda

  • 1Laboratory of Endocrinology, Federal University of Minas Gerais, Minas Gerais, Brazil.

Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et Metabolisme
|August 1, 2012
PubMed
Summary

Prolactinomas, tumors secreting prolactin, are linked to metabolic changes. Uncontrolled prolactinomas worsen insulin resistance and lower adiponectin levels, impacting overall metabolic health.

More Related Videos

X-Ray Visualization of Intraductal Ethanol-Based Ablative Treatment for Prevention of Breast Cancer in Rat Models
12:57

X-Ray Visualization of Intraductal Ethanol-Based Ablative Treatment for Prevention of Breast Cancer in Rat Models

Published on: December 9, 2022

Preparation of Mouse Pituitary Immunogen for the Induction of Experimental Autoimmune Hypophysitis
10:52

Preparation of Mouse Pituitary Immunogen for the Induction of Experimental Autoimmune Hypophysitis

Published on: December 17, 2010

Related Experiment Videos

Last Updated: May 20, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

X-Ray Visualization of Intraductal Ethanol-Based Ablative Treatment for Prevention of Breast Cancer in Rat Models
12:57

X-Ray Visualization of Intraductal Ethanol-Based Ablative Treatment for Prevention of Breast Cancer in Rat Models

Published on: December 9, 2022

Preparation of Mouse Pituitary Immunogen for the Induction of Experimental Autoimmune Hypophysitis
10:52

Preparation of Mouse Pituitary Immunogen for the Induction of Experimental Autoimmune Hypophysitis

Published on: December 17, 2010

Area of Science:

  • Endocrinology
  • Metabolic Syndrome
  • Pituitary Disorders

Background:

  • Prolactinomas are common pituitary tumors affecting reproductive health.
  • Limited data exist on the metabolic consequences of prolactinomas.
  • Understanding these metabolic changes is crucial for comprehensive patient care.

Purpose of the Study:

  • To investigate insulin resistance and adiponectin levels in patients with prolactinomas.
  • To compare metabolic profiles between controlled and uncontrolled prolactinoma groups.
  • To assess the impact of prolactinoma control on metabolic parameters.

Main Methods:

  • Study included 40 prolactinoma patients (20 uncontrolled, 20 controlled) and 40 healthy controls.
  • Evaluated parameters included waist-hip ratio, blood pressure, lipid profile, glucose, HOMA-IR, and adiponectin.
  • Patients were analyzed as a single group and stratified by disease control status.

Main Results:

  • Prolactinoma patients exhibited higher insulin, HOMA-IR, and lower adiponectin than controls.
  • Uncontrolled prolactinomas showed significantly worse metabolic profiles (WHR, HDL, triglycerides, HOMA-IR, adiponectin).
  • Metabolic abnormalities, except hypoadiponectinemia, were not observed in the controlled prolactinoma group.

Conclusions:

  • Prolactinomas are associated with hypoadiponectinemia and insulin resistance.
  • Disease control is critical, as uncontrolled prolactinomas lead to significant metabolic derangements.
  • Targeting prolactinoma control may mitigate associated metabolic complications.