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Cyclin D1 and breast cancer.
Pankaj G Roy1, Alastair M Thompson
1Department of Surgery & Molecular Oncology, Ninewells Hospital & Medical School, Dundee DD1 9SY, UK. pankajgroy@yahoo.co.uk
Breast (Edinburgh, Scotland)
|May 6, 2006
Summary
Cyclin D1 overexpression is common in breast cancer. This review explores its roles in cell cycle, development, carcinogenesis, and oestrogen links, impacting clinical outcomes.
Area of Science:
- Oncology
- Molecular Biology
- Cell Biology
Background:
- Cyclin D1 is frequently overexpressed and amplified in breast cancer.
- Its aberrant expression contributes to abnormal cell-cycle progression.
Purpose of the Study:
- To review the multifaceted roles of cyclin D1 in breast cancer.
- To explore its involvement in normal and abnormal cell-cycle regulation, mammary gland development, and carcinogenesis.
- To examine the relationship between cyclin D1 and oestrogen in breast tissues.
Main Methods:
- Literature review of existing research on cyclin D1 in breast cancer.
- Analysis of studies focusing on cell-cycle regulation, mammary gland development, and carcinogenesis.
- Synthesis of information regarding oestrogen's influence on cyclin D1.
Main Results:
- Cyclin D1 plays a critical role in regulating the cell cycle, with overexpression leading to uncontrolled proliferation.
- It is implicated in mammary gland development and the initiation and progression of breast cancer.
- A significant relationship exists between cyclin D1 expression and oestrogen levels in breast tissues.
Conclusions:
- Understanding cyclin D1's functions is crucial for comprehending breast cancer pathogenesis.
- Clinical, prognostic, and therapeutic strategies can be informed by knowledge of cyclin D1.
- Targeting cyclin D1 may offer potential therapeutic avenues for breast cancer treatment.