The Potential of Expression of Cyclin-D1 on Neoadjuvant Chemotherapy in Invasive Breast Carcinoma

Primariadewi Rustamadji, Elvan Wiyarta, Ineke Anggreani

Research output: Contribution to journalArticlepeer-review


Background: Patients undergoing neoadjuvant chemotherapy (NC) for invasive breast cancer (IBC) need indicators to track their progress during treatment. The goal of this research is to learn how cyclin D1 works in conjunction with taxane and non-taxane therapy for people with IBC. Methods: There were 31 examples divided into two groups, based on: those using a different type of NC (taxane or non-taxane-based), and NC administration time (before or after). Tumor grade, age, PR, ER, Ki-67, HER2, and Cyclin D1 expression were among the factors considered. Using immunohistochemical labeling, we were able to categorize cyclin D1 levels according to a threshold value, and we supplemented this with data we found in our databases. To analyze the data, we used a modified linear model. Results: The expression of Cyclin D1 decreased after NC delivery (p=0.086). Cyclin D1 expression was reduced in the taxane group (p=0.792). The non-taxane group also saw no differences in outcomes (p = 0.065). There was a larger decrease in Cyclin D1 expression in the non-taxane group compared to the taxane group, but the difference was not statistically significant (p=0.200). Conclusion: Cyclin D1 expression, even if the differences are not statistically significant, may be a prognostic indicator of NC reaction in IBC.

Original languageEnglish
Pages (from-to)1131-1136
Number of pages6
JournalAsian Pacific Journal of Cancer Prevention
Issue number4
Publication statusPublished - 2023


  • breast cancer
  • chemotherapy
  • Cyclin-D1
  • invasive
  • taxane


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