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The PDGF pathway in...
The PDGF pathway in breast cancer is linked to tumour aggressiveness, triple-negative subtype and early recurrence
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- Jansson, Sara (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,The Liquid Biopsy och Tumörprogression i Bröstcancer,Forskargrupper vid Lunds universitet,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,The Liquid Biopsy and Tumor Progression in Breast Cancer,Lund University Research Groups
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- Aaltonen, Kristina (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,The Liquid Biopsy och Tumörprogression i Bröstcancer,Forskargrupper vid Lunds universitet,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,The Liquid Biopsy and Tumor Progression in Breast Cancer,Lund University Research Groups
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- Bendahl, Pär Ola (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Individuell Bröstcancerbehandling,Forskargrupper vid Lunds universitet,The Liquid Biopsy och Tumörprogression i Bröstcancer,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Personalized Breast Cancer Treatment,Lund University Research Groups,The Liquid Biopsy and Tumor Progression in Breast Cancer
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- Falck, Anna Karin (författare)
- Helsingborg Hospital
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- Karlsson, Maria (författare)
- Lund University,Skåne University Hospital
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- Pietras, Kristian (författare)
- Lund University,Lunds universitet,Avdelningen för translationell cancerforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Translational Cancer Research,Department of Laboratory Medicine,Faculty of Medicine
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- Rydén, Lisa (författare)
- Lund University,Lunds universitet,Kirurgi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Bröstcancerkirurgi,Forskargrupper vid Lunds universitet,The Liquid Biopsy och Tumörprogression i Bröstcancer,Surgery (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Breast Cancer Surgery,Lund University Research Groups,The Liquid Biopsy and Tumor Progression in Breast Cancer,Skåne University Hospital
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(creator_code:org_t)
- 2018-01-29
- 2018
- Engelska.
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Ingår i: Breast Cancer Research and Treatment. - : Springer Science and Business Media LLC. - 0167-6806 .- 1573-7217. ; 169:2, s. 231-241
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http://dx.doi.org/10... (free)
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https://link.springe...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Purpose: The platelet-derived growth factor (PDGF) signalling pathway is often dysregulated in cancer and PDGF-receptor expression has been linked to unfavourable prognostic factors in breast cancer (e.g. ER negativity, high Ki67 and high grade). This study aimed to evaluate the expression of PDGFRα, PDGFRβ and ligand PDGF-CC in breast cancer in relation to molecular subtypes and prognosis. Methods: Protein expression of tumour and/or stromal cell PDGFRα, PDGFRβ and PDGF-CC was evaluated in primary tumours (N = 489), synchronous lymph node metastases (N = 135) and asynchronous recurrences (N = 39) using immunohistochemistry in a prospectively maintained cohort of primary breast cancer patients included during 1999–2003. Distant recurrence-free interval (DRFi) was the primary end-point. Results: High expression of all investigated PDGF family members correlated to increasing Nottingham histopathological grade and high Ki67. Tumour cells displayed high expression of PDGFRα in 20%, and PDGF-CC in 21% of primary tumours, which correlated with the triple-negative subtype (TNBC). Patients with high PDGF-CC had inferior prognosis (P = 0.04) in terms of 5-year DRFi, whereas PDGFRα was up-regulated in lymph node metastasis and recurrences compared to primary tumours. High primary tumour PDGFRα was associated with increased risk of central nervous system (CNS) recurrence. Conclusions: High PDGFRα and PDGF-CC expression were linked to breast cancer with an aggressive biological phenotype, e.g. the TNBC subtype, and high PDGF-CC increased the risk of 5-year distant recurrence. Tumour cell PDGFRα was significantly up-regulated in lymph node metastases and asynchronous recurrences. Our findings support an active role of the PDGF signalling pathway in tumour progression.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Nyckelord
- Breast cancer
- Platelet-derived growth factor receptor
- Platelet-derived growth factor-CC
- Targeted therapy
- Triple-negative breast cancer
- Tyrosine kinase receptor
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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