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Detection of Human Leukocyte Antigen Biomarkers in Breast Cancer Utilizing Label-free Biosensor Technology
Published on: March 24, 2015
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SERUM LEPTIN LEVEL IN BREAST CANCER
Ivan Koprivčić1,2, Ksenija Marjanović2,3, Anita Matić2
1Department of Orthopedics and Traumatology, Osijek University Hospital Center, Osijek, Croatia.
Acta Clinica Croatica
|November 18, 2022
Summary
Serum leptin levels are higher in postmenopausal and obese women, indicating a potential diagnostic marker for increased breast cancer risk. This finding highlights leptin
Area of Science:
- Endocrinology
- Oncology
- Biochemistry
Background:
- Leptin, a polypeptide hormone primarily from white adipose tissue, is implicated in inflammation, angiogenesis, invasion, and cell proliferation.
- Growing evidence suggests a significant role for leptin in breast cancer development and progression.
- Understanding leptin's association with menopausal status and body mass index (BMI) is crucial for breast cancer research.
Purpose of the Study:
- To investigate serum leptin levels in patients with benign breast tumors and various breast cancer phenotypes.
- To analyze the relationship between leptin levels, menopausal status, and body mass index (BMI) in breast tumor patients.
Main Methods:
- Serum leptin levels were quantified using the Enzyme-Linked Immunosorbent Assay (ELISA) method.
- The study included 97 patients who underwent surgical removal of their breast tumor.
- Leptin levels were analyzed in relation to menopausal status (premenopausal vs. postmenopausal) and BMI (obese vs. non-obese).
Main Results:
- Significantly higher serum leptin levels were observed in postmenopausal women compared to premenopausal women, irrespective of tumor type.
- Obese women exhibited significantly higher leptin levels than non-obese women, regardless of tumor malignancy.
- The highest leptin concentrations were found in postmenopausal obese women, followed by premenopausal obese women, and then non-obese postmenopausal women.
Conclusions:
- Serum leptin levels serve as a valuable diagnostic parameter, suggesting an elevated likelihood of breast cancer development.
- Leptin levels are significantly influenced by menopausal status and obesity in women with breast tumors.
- Further research into leptin's role could lead to improved diagnostic and therapeutic strategies for breast cancer.

