scholarly journals Expression of Cysteine-Rich Secreted Acidic Protein in Multiple Myeloma and Its Effect on the Biological Behavior of Cancer Cells

2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Qiqun Pan ◽  
Tangfei Li ◽  
Zhangqin Luo ◽  
Pengji Pan
Keyword(s):  
Multiple Myeloma ◽  
Cancer Cell ◽  
Plasma Cells ◽  
Immune Escape ◽  
Acidic Protein ◽  
Biological Behavior ◽  
Migration And Invasion ◽  
Cancer Cell Proliferation ◽  
Cell Metastasis ◽  
Bone Marrow Plasma

The multiple myeloma is a malignant clonal tumor of bone marrow plasma cells that is incurable and inevitably recurrent. The mechanisms of progression include tumor cell metastasis, immune escape, resistance to apoptosis, and malignant proliferation. The cysteine-rich secreted acidic protein is closely related to the growth, development, remodeling, and repair of cells and tissues. In our study, we divided myeloma patients and patients with other blood diseases into groups and measured the cysteine-rich secreted acidic protein (SPARC) content in the serum of different groups of patients as well as the prognostic differences. The U266 cells were transfected with interfering vectors and overexpressed SPARC vectors to determine the physiological functions of MM cells. Our results showed that SPARC was highly expressed in MM and the survival rate of the high SPARC expression group was lower than that of the low expression group. Interfering SPARC vectors inhibited cancer cell proliferation, migration, and invasion and promoted apoptosis. Overexpression of SPARC vectors promoted cancer cell development. SPARC affected the patient’s disease development by regulating the biological behavior of the MM cells.

scholarly journals Pals1 prevents Rac1-dependent colorectal cancer cell metastasis by inhibiting Arf6

2021 ◽  
Vol 20 (1) ◽  
Author(s):  
Simona Mareike Lüttgenau ◽  
Christin Emming ◽  
Thomas Wagner ◽  
Julia Harms ◽  
Justine Guske ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Cell Migration ◽  
Cancer Cells ◽  
Cancer Cell ◽  
Scaffolding Protein ◽  
Migration And Invasion ◽  
Tight Junction Formation ◽  
Cell Metastasis ◽  
Colorectal Cancer Cells

AbstractLoss of apical-basal polarity and downregulation of cell-cell contacts is a critical step during the pathogenesis of cancer. Both processes are regulated by the scaffolding protein Pals1, however, it is unclear whether the expression of Pals1 is affected in cancer cells and whether Pals1 is implicated in the pathogenesis of the disease.Using mRNA expression data and immunostainings of cancer specimen, we show that Pals1 is frequently downregulated in colorectal cancer, correlating with poorer survival of patients. We further found that Pals1 prevents cancer cell metastasis by controlling Rac1-dependent cell migration through inhibition of Arf6, which is independent of the canonical binding partners of Pals1. Loss of Pals1 in colorectal cancer cells results in increased Arf6 and Rac1 activity, enhanced cell migration and invasion in vitro and increased metastasis of transplanted tumor cells in mice. Thus, our data reveal a new function of Pals1 as a key inhibitor of cell migration and metastasis of colorectal cancer cells. Notably, this new function is independent of the known role of Pals1 in tight junction formation and apical-basal polarity.

scholarly journals Isoalvaxanthone inhibits colon cancer cell proliferation, migration and invasion through inactivating Rac1 and AP-1

2009 ◽  
Vol 127 (5) ◽  
pp. 1220-1229 ◽  
Author(s):  
Lei Wang ◽  
Lisha Kuang ◽  
Xinhua Pan ◽  
Junchen Liu ◽  
Qian Wang ◽  
...  
Keyword(s):  
Colon Cancer ◽  
Cell Proliferation ◽  
Cancer Cell ◽  
Colon Cancer Cell ◽  
Migration And Invasion ◽  
Cancer Cell Proliferation

scholarly journals Knockdown of KIF26B inhibits breast cancer cell proliferation, migration, and invasion

2018 ◽  
Vol Volume 11 ◽  
pp. 3195-3203 ◽  
Author(s):  
Shudong Gu ◽  
Haibin Liang ◽  
Donghui Qi ◽  
Liyan Mao ◽  
Guoxin Mao ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Proliferation ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Migration And Invasion ◽  
Cancer Cell Proliferation ◽  
Breast Cancer Cell Proliferation

scholarly journals Multiple myeloma: circulating lymphocytes that express plasma cell antigens

Blood ◽  
1984 ◽  
Vol 64 (2) ◽  
pp. 352-356
Author(s):  
GJ Ruiz-Arguelles ◽  
JA Katzmann ◽  
PR Greipp ◽  
NJ Gonchoroff ◽  
JP Garton ◽  
...  
Keyword(s):  
Multiple Myeloma ◽  
Bone Marrow ◽  
Plasma Cell ◽  
Peripheral Blood ◽  
Plasma Cells ◽  
Peripheral Blood Lymphocytes ◽  
Tumor Burden ◽  
B Cell Differentiation ◽  
Blood Lymphocytes ◽  
Bone Marrow Plasma

The bone marrow and peripheral blood of 14 patients with multiple myeloma were studied with murine monoclonal antibodies that identify antigens on plasma cells (R1–3 and OKT10). Peripheral blood lymphocytes expressing plasma cell antigens were found in six cases. Five of these cases expressed the same antigens that were present on the plasma cells in the bone marrow. Patients that showed such peripheral blood involvement were found to have a larger tumor burden and higher bone marrow plasma cell proliferative activity. In some patients, antigens normally found at earlier stages of B cell differentiation (B1, B2, and J5) were expressed by peripheral blood lymphocytes and/or bone marrow plasma cells.

scholarly journals LINC00511 is associated with the malignant status and promotes cell proliferation and motility in cervical cancer

2019 ◽  
Vol 39 (9) ◽  
Author(s):  
Chun-Ling Yu ◽  
Xiao-Ling Xu ◽  
Fang Yuan
Keyword(s):  
Cervical Cancer ◽  
Cell Proliferation ◽  
Cancer Patients ◽  
Cancer Cell ◽  
Clinical Stage ◽  
Cervical Cancer Cell ◽  
Migration And Invasion ◽  
Epithelial Cell Line ◽  
Cancer Cell Proliferation ◽  
Poor Overall Survival

Abstract LINC00511 is a newly identified lncRNA that is up-regulated in many types of human cancers and may serve as an oncogenic lncRNA. However, there was no report about the role of LINC00511 in cervical cancer. Therefore, we investigated the clinical value of LINC00511 in cervical cancer patients via analyzing the correlation between LINC00511 expression and clinicopathological features. Moreover, we performed loss-of-function study to estimate the effect of LINC00511 on cervical cancer cell proliferation, migration, and invasion. In our study, we found LINC00511 expression levels were increased in cervical cancer tissues and cell lines compared with adjacent normal tissues and normal cervical epithelial cell line, respectively. High LINC00511 expression was correlated with advanced clinical stage, large tumor size, histological type of adenocarcinoma, and present lymph node metastasis, distant metastasis, and poor overall survival in cervical cancer patients. The in vitro studies indicated that knockdown of LINC00511 inhibited cervical cancer cell proliferation, migration, and invasion. In conclusion, LINC00511 acts as oncogenic lncRNA in cervical cancer, and may be a novel biomarker and potential therapeutic target for cervical cancer patients.

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