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Overexpression of cd90 (thy-1) in pancreatic adenocarcinoma present in the tumor microenvironment
Zhu J. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Overexpression of cd90 (thy-1) in pancreatic adenocarcinoma present in the tumor microenvironment
ผู้แต่ง / หัวหน้าโครงการ (EN): Zhu J.
บทคัดย่อ (EN): CD90 (Thy-1) plays important roles in oncogenesis and shows potential as a candidate marker for cancer stem cells (CSCs) in various malignancies. Herein, we investigated the expression of CD90 in pancreatic adenocarcinoma (PDAC), with a comparison to normal pancreas and non-malignant pancreatic disease, by immunohistochemical (IHC) analysis of tissue microarrays containing 183 clinical tissue specimens. Statistical analysis was performed to evaluate the correlation between CD90 expression and the major clinicopathological factors after adjustment of age and gender. The IHC data showed that CD90 was significantly overexpressed in PDAC and its metastatic cancers as compared to chronic pancreatitis and benign islet tumors, while it was negative in normal pancreas and 82.7% of adjacent normal pancreas tissues. The abundant CD90 expression was predominantly present in PDAC stroma, such as fibroblasts and vascular endothelial cells, which could serve as a promising marker to distinguish pancreatic adenocarcinoma from normal pancreas and non-malignant pancreatic diseases. Double immunostaining of CD90 with CD24, a CSC marker for PDAC, showed that there was little overlap between these two markers. However, CD90 + fibroblast cells were clustered around CD24 + malignant ducts, suggesting that CD90 may be involved in the tumor-stroma interactions and promote pancreatic cancer development. Furthermore, CD90 mostly overlapped with ∝-smooth muscle actin (∝SMA, a marker of activated pancreatic stellate cells (PSCs)) in PDAC stroma, which demonstrated that CD90+ stromal cells consist largely of activated PSCs. Double immunostaining of CD90 and a vascular endothelial cell marker CD31 demonstrated that CD90 expression on vascular endothelial cells was significantly Copyright: © 2014 Zhu et al.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84919667588&doi=10.1371%2fjournal.pone.0115507&partnerID=40&md5=ddbb2b0561b85efa89fb946664160a1c
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Young Adult
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Overexpression of cd90 (thy-1) in pancreatic adenocarcinoma present in the tumor microenvironment
Zhu J.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
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