Secretion of <i>N</i>- and <i>O</i>-linked Glycoproteins from 4T1 Murine Mammary Carcinoma Cells

Phang, Wai-Mei; Tan, Aik-Aun; Gopinath, Subash C.B.; Hashim, Onn H.; Kiew, Lik Voon; Chen, Yeng

doi:10.7150/ijms.14341

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Int J Med Sci 2016; 13(5):330-339. doi:10.7150/ijms.14341 This issue Cite

Research Paper

Secretion of N- and O-linked Glycoproteins from 4T1 Murine Mammary Carcinoma Cells

Wai-Mei Phang¹, Aik-Aun Tan², Subash C.B. Gopinath^3,4, Onn H. Hashim⁵, Lik Voon Kiew⁶, Yeng Chen^1,7✉

1. Department of Oral Biology & Biomedical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur 50603, Malaysia
2. Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Penang 11800, Malaysia
3. Institute of Nano Electronic Engineering (INEE), Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia
4. School of Bioprocess Engineering, Universiti Malaysia Perlis, 02600 Arau, Perlis, Malaysia
5. Department of Molecular Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
6. Department of Pharmacology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
7. Oral Cancer Research and Coordinating Centre, Faculty of Dentistry, University of Malaya, Kuala Lumpur 50603, Malaysia

Citation:

Phang WM, Tan AA, Gopinath SCB, Hashim OH, Kiew LV, Chen Y. Secretion of N- and O-linked Glycoproteins from 4T1 Murine Mammary Carcinoma Cells. Int J Med Sci 2016; 13(5):330-339. doi:10.7150/ijms.14341. https://www.medsci.org/v13p0330.htm

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Abstract

Breast cancer is one of the most common cancers that affect women globally and accounts for ~23% of all cancers diagnosed in women. Breast cancer is also one of the leading causes of death primarily due to late stage diagnoses and a lack of effective treatments. Therefore, discovering protein expression biomarkers is mandatory for early detection and thus, critical for successful therapy. Two-dimensional electrophoresis (2D-E) coupled with lectin-based analysis followed by mass spectrometry were applied to identify potential biomarkers in the secretions of a murine mammary carcinoma cell line. Comparisons of the protein profiles of the murine 4T1 mammary carcinoma cell line and a normal murine MM3MG mammary cell line indicated that cadherin-1 (CDH), collagenase 3 (MMP-13), Viral envelope protein G7e (VEP), Gag protein (GAG) and Hypothetical protein LOC433182 (LOC) were uniquely expressed by the 4T1 cells, and pigment epithelium-derived factor (PEDF) was exclusively secreted by the MM3MG cells. Further analysis by a lectin-based study revealed that aberrant O-glycosylated CDH, N-glycosylated MMP-13 and LOC were present in the 4T1 medium. These differentially expressed N- and O-linked glycoprotein candidates, which were identified by combining lectin-based analysis with 2D-E, could serve as potential diagnostic and prognostic markers for breast cancer.

Keywords: Breast cancer, Murine, Glycosylation, Lectin

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APA

Phang, W.M., Tan, A.A., Gopinath, S.C.B., Hashim, O.H., Kiew, L.V., Chen, Y. (2016). Secretion of N- and O-linked Glycoproteins from 4T1 Murine Mammary Carcinoma Cells. International Journal of Medical Sciences, 13(5), 330-339. https://doi.org/10.7150/ijms.14341.

ACS

Phang, W.M.; Tan, A.A.; Gopinath, S.C.B.; Hashim, O.H.; Kiew, L.V.; Chen, Y. Secretion of N- and O-linked Glycoproteins from 4T1 Murine Mammary Carcinoma Cells. Int. J. Med. Sci. 2016, 13 (5), 330-339. DOI: 10.7150/ijms.14341.

NLM

CSE

Phang WM, Tan AA, Gopinath SCB, Hashim OH, Kiew LV, Chen Y. 2016. Secretion of N- and O-linked Glycoproteins from 4T1 Murine Mammary Carcinoma Cells. Int J Med Sci. 13(5):330-339.

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