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Related Experiment Videos

Lipids status in human breast cyst fluids

F Mannello1, G D Bocchiotti, F P Morano

  • 1Istituto di Istologia ed Analisi di Laboratorio, Facoltà di Scienze M.F.N., Università degli Studi, Urbino (PS), Italy.

Cancer Letters
|January 2, 1996
PubMed
Summary

Women with apocrine changes in breast cysts have higher cancer risk. Their cyst fluid shows significantly higher cholesterol and high-density lipoprotein levels, indicating altered lipid metabolism in these higher-risk lesions.

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Area of Science:

  • Biochemistry
  • Oncology
  • Pathology

Background:

  • Benign mammary gross cystic disease is a common breast lesion.
  • Apocrine changes in cyst epithelium are associated with increased breast cancer risk.

Purpose of the Study:

  • To investigate lipid profiles and lipase activity in cyst fluids of women with gross cystic breast disease.
  • To compare metabolic characteristics of apocrine cysts versus flattened cysts.

Main Methods:

  • Lipid concentrations (cholesterol, lipoproteins, triglycerides, phospholipids) and lipase activity were measured in cyst fluids and sera from 89 women.
  • Statistical analysis was used to compare pooled cyst fluids with normal sera and to compare apocrine cysts with flattened cysts.

Main Results:

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  • Total cholesterol and high-density lipoprotein levels were significantly higher in cyst fluids compared to normal sera (P < 0.001).
  • Metabolically active apocrine cysts showed significantly increased total lipids and lipase activity compared to flattened cysts (P < 0.001).

Conclusions:

  • Elevated cholesterol and HDL in cyst fluid suggest altered lipid metabolism.
  • Increased lipids and lipase activity in apocrine cysts may reflect altered biosynthetic and steroidogenic activity, offering insights into cyst functional changes and breast cancer risk.