Related Experiment Video

Updated: Jul 4, 2026

Fat Preference: A Novel Model of Eating Behavior in Rats
05:57

Fat Preference: A Novel Model of Eating Behavior in Rats

Published on: June 27, 2014

Correlations between endocrine-metabolic characteristics and body fat distribution, appetite, growth, and memory in

Ying Zhang1, Xiang Li1, Jian Wen1

  • 1Department of Paediatrics, Pu'er People's Hospital, Pu'er City, Yunnan Province, China.

Clinics (Sao Paulo, Brazil)
|July 2, 2026
PubMed

Insights

Children with Prader-Willi Syndrome (PWS) exhibit significant endocrine-metabolic issues impacting body fat, growth, and memory. These findings highlight multisystem damage in hereditary obesity and guide targeted interventions.

Area of Science:

  • Pediatric Endocrinology
  • Metabolic Disorders
  • Neurodevelopmental Genetics

Background:

  • Prader-Willi Syndrome (PWS) is a rare genetic disorder characterized by hyperphagia, obesity, and developmental issues.
  • Endocrine and metabolic dysfunctions are common in PWS, but their specific correlations with clinical manifestations require further elucidation.

Purpose of the Study:

  • To investigate the relationship between endocrine-metabolic profiles and body fat distribution, appetite, growth, and memory in children with PWS.
  • To compare these characteristics between children with PWS, simple obesity, and healthy controls.

Main Methods:

  • A cross-sectional study involving 46 children with PWS, 46 with simple obesity, and a healthy control group.
  • Measurements included physical development, hyperphagia severity, memory function, hormone levels (e.g., ghrelin, IGF-1, thyroid hormones), and lipid profiles.
  • Statistical analyses compared endocrine-metabolic differences and explored correlations within the PWS cohort.

Main Results:

  • Children with PWS showed increased overweight, growth retardation, higher body fat, elevated hyperphagia, and reduced memory compared to controls.
  • Distinct endocrine-metabolic profiles in PWS included higher ghrelin, triglycerides, total cholesterol, LDL-C, HOMA-IR, and C-peptide, with lower IGF-1, T3, T4, TSH, and HDL-C.
  • Significant correlations were found between metabolic markers (e.g., ghrelin, HOMA-IR) and body fat, hyperphagia, BMI, and memory deficits.

Conclusions:

  • PWS is associated with significant endocrine-metabolic abnormalities contributing to abnormal body composition, hyperphagia, growth impairment, and cognitive deficits.
  • These findings clarify the multisystemic impact of PWS and support the need for tailored clinical management strategies.
  • Understanding these correlations is crucial for developing targeted interventions for children with PWS.
Abstract

Keywords:
AppetiteBody fat distributionCorrelationEndocrine metabolismMemoryPrader-Willi syndrome

More Related Videos

Assessment of Child Anthropometry in a Large Epidemiologic Study09:36

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

Related Concept Videos

Obesity01:24

Obesity

The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in adipocytes...
Signs of Puberty01:27

Signs of Puberty

Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
Regulation of Food Intake01:30

Regulation of Food Intake

Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...