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Liu J, Wang S, Wang C, Kong X, Sun P. Prognostic value of using glucosylceramide synthase and cytochrome P450 family 1 subfamily A1 expression levels for patients with triple-negative breast cancer following neoadjuvant chemotherapy. Exp Ther Med 2021; 21:247. [PMID: 33603855 DOI: 10.3892/etm.2021.9678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 11/06/2020] [Indexed: 12/11/2022] Open
Abstract
Neoadjuvant chemotherapy (NACT) has been considered to be the preferred treatment option for early operable triple-negative breast cancer (TNBC). However, resistance to drugs remains to be the barrier to the efficacy of NACT. Glucosylceramide synthase (GCS) and cytochrome P450 family 1 subfamily A1 (CYP1A1) have been previously associated with drug resistance in breast cancer. The present study aimed to explore whether the expression levels of GCS and/or CYP1A1 are associated with the prognosis of TNBC after NACT. Immunohistochemistry was used to detect and measure GCS and CYP1A1 expression. Associations between GCS or CYP1A1 expression and the clinicopathological characteristics, pathological complete response (pCR), clinical complete response (cCR) and disease-free survival (DFS) were analyzed. GCS expression was found to be associated with tumor size (P=0.021) and TNM staging (P=0.042), whilst CYP1A1 expression was associated with lymph node metastasis (P = 0.026) and TNM staging (P=0.034). The expression levels of GCS (P=0.024) and CYP1A1 (P=0.027) were upregulated after NACT. GCS and CYP1A1 expression were positively correlated (P=0.003; r=0.327). No difference was observed between the GCS+ (P=0.188) or CYP1A1+ group (P=0.073) and the GCS- or CYP1A1- group in terms of pCR. However, compared with that in the GCS+CYP1A1+ group, the pCR was markedly increased in the GCS-CYP1A1- group (P=0.031). The cCR was lower in the GCS+ (P=0.021) and CYP1A1+ groups (P=0.016) compared with in the GCS- or CYP1A1- group. The DFS rate (57.9 vs. 65.4%; P=0.049) was lower in the GCS+CYP1A1+ group compared with that in the GCS-CYP1A1- group. However, there was no statistical significance after P-value was adjusted for multiple comparisons using Bonferroni correction. In conclusion, co-expression of GCS and CYP1A1 was associated with pCR and DFS in TNBC, which may serve a role in the prediction of the prognosis of patients with TNBC following treatment with NACT.
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Affiliation(s)
- Jiannan Liu
- Department of Oncology, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
| | - Shuhua Wang
- Department of Medical Record Information, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
| | - Congcong Wang
- Department of Oncology, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
| | - Xiangshuo Kong
- Department of Oncology, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
| | - Ping Sun
- Department of Oncology, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
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Wegner MS, Gruber L, Mattjus P, Geisslinger G, Grösch S. The UDP-glucose ceramide glycosyltransferase (UGCG) and the link to multidrug resistance protein 1 (MDR1). BMC Cancer 2018; 18:153. [PMID: 29409484 PMCID: PMC5801679 DOI: 10.1186/s12885-018-4084-4] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 01/31/2018] [Indexed: 12/15/2022] Open
Abstract
The UDP-glucose ceramide glycosyltransferase (UGCG) is a key enzyme in the sphingolipid metabolism by generating glucosylceramide (GlcCer), the precursor for all glycosphingolipids (GSL), which are essential for proper cell function. Interestingly, the UGCG is also overexpressed in several cancer types and correlates with multidrug resistance protein 1 (MDR1) gene expression. This membrane protein is responsible for efflux of toxic substances and protects cancer cells from cell damage through chemotherapeutic agents. Studies showed a connection between UGCG and MDR1 overexpression and multidrug resistance development, but the precise underlying mechanisms are unknown. Here, we give an overview about the UGCG and its connection to MDR1 in multidrug resistant cells. Furthermore, we focus on UGCG transcriptional regulation, the impact of UGCG on cellular signaling pathways and the effect of UGCG and MDR1 on the lipid composition of membranes and how this could influence multidrug resistance development. To our knowledge, this is the first review presenting an overview about UGCG with focus on the relationship to MDR1 in the process of multidrug resistance development.
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Affiliation(s)
- Marthe-Susanna Wegner
- pharmazentrum frankfurt/ ZAFES, Institute of Clinical Pharmacology, Johann Wolfgang Goethe-University, House 74, Theodor Stern-Kai 7, 60590, Frankfurt am Main, Germany.
| | - Lisa Gruber
- pharmazentrum frankfurt/ ZAFES, Institute of Clinical Pharmacology, Johann Wolfgang Goethe-University, House 74, Theodor Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Peter Mattjus
- Biochemistry, Faculty of Science and Engineering, Åbo Akademi University, Artillerigatan 6A, III, BioCity, FI-20520, Turku, Finland
| | - Gerd Geisslinger
- pharmazentrum frankfurt/ ZAFES, Institute of Clinical Pharmacology, Johann Wolfgang Goethe-University, House 74, Theodor Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Sabine Grösch
- pharmazentrum frankfurt/ ZAFES, Institute of Clinical Pharmacology, Johann Wolfgang Goethe-University, House 74, Theodor Stern-Kai 7, 60590, Frankfurt am Main, Germany
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Liu J, Zhang X, Liu A, Zhang D, Su Y, Liu Y, You D, Yuan L, Kong X, Wang X, Sun P. Altered methylation of glucosylceramide synthase promoter regulates its expression and associates with acquired multidrug resistance in invasive ductal breast cancer. Oncotarget 2017; 7:36755-36766. [PMID: 27191984 PMCID: PMC5095037 DOI: 10.18632/oncotarget.9337] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Accepted: 04/16/2016] [Indexed: 12/14/2022] Open
Abstract
Overexpression of glucosylceramide synthase (GCS) increases multidrug resistance (MDR) in many cancer cells. However, its mechanism is unknown. The aim of the present study is to detect the association of methylation at the GCS gene promoter with its expression and MDR in invasive ductal breast cancer. 40 cases GCS-positive and 40 cases GCS-negative primary breast carcinoma samples, three drug-sensitive breast cancer cell lines and one multidrug-resistant breast cancer cell line were used. Immunohistochemistry, methylation-specific PCR (MSP), quantitative real-time (qPCR), westernblot and cytotoxicity assay techniques were employed. Thwe results revealed that there was a statistically negative correlation between GCS CpG islands methylation and GCS phenotype in patients with breast cancer. GCS CpG islands methylation was negatively associated with high ER, meanwhile positively with high HER-2 status. Similar results were obtained from the analysis of breast cancer cell lines. Treatment with the demethylating agent 5-aza-2′-deoxycytidine (5-Aza-dc) changed the GCS promoter methylation pattern in three sensitive cells and also caused increased drug resistance of them. These results suggested that the changes of DNA methylation status of the GCS promoter correlates with multidrug resistance in breast cancer.
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Affiliation(s)
- Jiannan Liu
- Department of Oncology, Yuhuangding Hospital, Yantai, Shandong, 264000, P. R. China
| | - Xiaofang Zhang
- Department of Pathology, Shandong University School of Medicine, Jinan, Shandong, 250012, P. R. China
| | - Aina Liu
- Department of Oncology, Yuhuangding Hospital, Yantai, Shandong, 264000, P. R. China
| | - Daoping Zhang
- Department of Rehabilitation, Qianfoshan Hospital, Jinan, Shandong, 250014, P. R. China
| | - Yi Su
- Department of Oncology, Yuhuangding Hospital, Yantai, Shandong, 264000, P. R. China
| | - Ying Liu
- Department of Oncology, Yuhuangding Hospital, Yantai, Shandong, 264000, P. R. China
| | - Dong You
- Department of Oncology, Yuhuangding Hospital, Yantai, Shandong, 264000, P. R. China
| | - Leilei Yuan
- Department of Radiology, Taian Central Hospital, Taian, Shandong, 271000, P. R. China
| | - Xiangshuo Kong
- Department of Oncology, Yuhuangding Hospital, Yantai, Shandong, 264000, P. R. China
| | - Xiaodan Wang
- Department of Oncology, Yuhuangding Hospital, Yantai, Shandong, 264000, P. R. China
| | - Ping Sun
- Department of Oncology, Yuhuangding Hospital, Yantai, Shandong, 264000, P. R. China
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Astudillo L, Therville N, Colacios C, Ségui B, Andrieu-Abadie N, Levade T. Glucosylceramidases and malignancies in mammals. Biochimie 2016; 125:267-80. [DOI: 10.1016/j.biochi.2015.11.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 11/09/2015] [Indexed: 01/11/2023]
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