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cancer cell migration

Srustidhar Das, Cristian Doñas, Paulina Akeus, Marianne Quiding-Järbrink, J Rodrigo Mora, Eduardo J Villablanca
The gut homing receptor integrin α4β7 is essential for the migration of pro-inflammatory T cells into the gut mucosa. Since intestinal neoplasia has been associated with chronic inflammation, we investigated whether interfering with gut-homing affects intestinal tumorigenesis. Using chemically induced and spontaneous intestinal tumor models we showed that lack of β7 integrin significantly impairs tumor growth without affecting tumor frequencies, with a mild translatable effect on overall survival. This correlates with human data showing lower MAdCAM-1 expression and disease-free survival in colorectal cancer patients...
2018: PloS One
Laleh Vahedi, Maryam Ghasemi, Jamshid Yazdani, Samaneh Ranjbar, Banafshe Nouri, Ahad Alizadeh, Parvaneh Afshar
Background: Breast cancer is one of the most common cancers among women in the world, especially in Iran. There are large numbers of molecular and genomic factors causing breast cancer as well as many markers associated with tumor invasion. Chemokines are small proteins that primarily regulate leukocyte trafficking in the homeostatic conditions and specific immune responses. Chemokine receptor 7 (CCR7) belongs a class A subtype 7-span transmembrane G-protein coupled receptor. CCR7 plays a role in the migration of tumor cells such as immune cells into lymphoid organs through binding to its only two ligands CCL19/CCL21...
April 1, 2018: International Journal of Hematology-oncology and Stem Cell Research
Minghua Qi, Yuanping Zhou, Jikui Liu, Xi Ou, Minghua Li, Xia Long, Jing Ye, Guangyin Yu
The present study aimed to determine whether HepG2 can induce epithelial-mesenchymal transition (EMT) via angiotensin II (AngII) simulation. The expression levels of EMT markers vimentin and E-cadherin in cancer tissues and adjacent tissues of patients with hepatocellular carcinoma (HCC) were detected by immunohistochemistry. In addition, HepG2 cells were stimulated with AngII, and the gene and protein expression levels of vimentin and E-cadherin were measured by reverse transcription-quantitative polymerase chain reaction and western blot analyses, respectively, whereas cell migration and invasion were assessed using Transwell assays...
October 2018: Experimental and Therapeutic Medicine
Xin Wu, Jianghong Xiao, Chong Zhao, Chengjian Zhao, Zhongcheng Han, Feng Wang, Yuqiong Yang, Yu Jiang, Fang Fang
The aim of the present study was to measure the expression of Claudin (CLDN) 1 in nasopharyngeal carcinoma (NPC) and to determine its biological function and mechanism of action. Reverse transcription-quantitative polymerase chain reaction and western blotting were performed to measure the expression of CLDN1 mRNA and protein, respectively, in the immortalized human nasopharyngeal epithelial cell line NP69 and NPC-TW01 cells. Subsequently, small interfering RNA against CLDN1 and the LV-GFP-PURO-CLDN1 lentivirus were transfected into NPC-TW01 cells...
October 2018: Experimental and Therapeutic Medicine
Zhongjun Liu, Shuaimei Xu, Hongxing Chu, Yu Lu, Peiyan Yuan, Xiongqun Zeng
Forkhead box C1 (FOXC1) is a transcription factor that serves an important role in regulating tumorigenesis and cancer progression. However, the expression and functional role of FOXC1 in oral squamous cell carcinoma (OSCC) remains unclear. FOXC1 protein expression was determined using immunohistochemical staining of OSCC tissues and normal tissues. Cell Counting Kit-8, colony formation, migration and 5-ethynyl-2'-deoxyuridine assays were performed to investigate the role and underlying mechanism of action of FOXC1 in OSCC...
October 2018: Experimental and Therapeutic Medicine
Guoyu Wang, Juhua Zhuang, Jing Ni, Ying Ye, Saifei He, Wei Xia
Nasopharyngeal carcinoma (NPC) is a type of malignant tumor characterized by high invasiveness, metastatic potential and worldwide incidence among patients with head and neck cancer. It has previously been demonstrated that Lenvatinib (LEB) is an efficient anti-cancer agent by multi-targeting of tyrosine kinase inhibitors. Iodine-131 (I-131) therapy has been accepted for the treatment of thyroid cancer and other carcinomas. In the present study, the combined effects of LEB and I-131 were investigated on NPC and the potential signal pathway mediated by LEB and I-131 on NPC cells was explored...
October 2018: Experimental and Therapeutic Medicine
Yu Xi, Jianhua Niu, Dongmei Li, Jiagen He, Le Qin, Xinyu Peng
Mixed lineage kinase-4 (MLK-4) is an important member of the mixed-lineage family of kinases that regulates the extracellular signal-regulated kinases and c-Jun N-terminal kinase (JNK) signaling pathways. The functions and mechanisms of MLK-4 in cancer initiation and progression have not been well understood. The present study investigated the expression, function and regulatory mechanism of MLK-4 in gastric carcinoma cells. Biochemical data indicated that normal MLK-4 was downregulated, which exerted dominant negative effects on gastric carcinoma cell viability, migration and invasion...
October 2018: Experimental and Therapeutic Medicine
Yan Ma, Yuan Xu, Li Li
Ovarian cancer is the most lethal gynecological malignancy worldwide and is one of the five leading causes of cancer-associated mortality in women. There is an urgent requirement to obtain a greater understanding of the molecular mechanism underlying ovarian cancer progression in order to identify novel drug targets and biomarkers. Secreted protein acidic and rich in cysteine-like protein 1 (SPARCL1) has been suggested as a candidate tumor suppressor in various types of human cancers. However, the potential role of SPARCL1 for ovarian cancer has not yet been clearly established...
October 2018: Experimental and Therapeutic Medicine
Ning Hu, Hao Zhang
It has been demonstrated that 25-hydroxyvitamin-D3-24-hydroxylase (CYP24A1) is a key enzyme that neutralizes vitamin D activity, which may have an anti-tumor effect. Therefore, the aim of the current study was to explore the effect of the active metabolite of vitamin D, 1,25-dihydroxyvitamin D (1,25-D3) on thyroid cancer cells following the downregulation of CYP24A1. A Cell Counting Kit-8 assay identified that CYP24A1 knockdown enhanced the anti-proliferative effects of 1,25-D3 on thyroid cancer cells. Furthermore, the results of the scratch wound and Transwell assays indicated that CYP24A1 knockdown enhanced the inhibitory effect of 1,25-D3 on cell migration...
October 2018: Experimental and Therapeutic Medicine
Robin Maximilian Awad, Yannick De Vlaeminck, Johannes Maebe, Cleo Goyvaerts, Karine Breckpot
Tumor cells frequently produce soluble factors that favor myelopoiesis and recruitment of myeloid cells to the tumor microenvironment (TME). Consequently, the TME of many cancer types is characterized by high infiltration of monocytes, macrophages, dendritic cells and granulocytes. Experimental and clinical studies show that most myeloid cells are kept in an immature state in the TME. These studies further show that tumor-derived factors mold these myeloid cells into cells that support cancer initiation and progression, amongst others by enabling immune evasion, tumor cell survival, proliferation, migration and metastasis...
2018: Frontiers in Immunology
Chuanqiang Zhang, Meixia Yang, Yanmin Li, Suwen Tang, Xizhou Sun
Introduction: Forkhead box A1 (FOXA1) has been found to upregulate in numerous cancers, such as ovarian cancer and glioma. However, the detailed function of FOXA1 in glioma is still not known. The purpose of this study was to explore the underlying mechanism of FOXA1 in glioma cell progression. Methods: The expressions of FOXA1 in glioma tissues and cells were determined using quantitative reverse transcription-polymerase chain reaction and western blotting assays...
2018: Cancer Management and Research
Ke Xu, Bin Liu, Yegang Ma, Baojin Xu, Xiaojing Xing
Purpose: Zinc finger SWIM-type containing 5 (ZSWIM5) is a newly discovered protein, which contains a novel zinc-chelating domain SWIM (CxCxnCxH), and is predicted to interact with DNA or proteins. Currently, the knowledge of functions of ZSWIM5 remains limited. In this study, we aimed to elucidate the biological functions of ZSWIM5 and their mechanisms. Patients and methods: We detected the expression of ZSWIM5 in samples from 139 cases of non-small-cell lung cancer (NSCLC) patients and six cell lines using immunohistochemistry and Western blot...
2018: Cancer Management and Research
Keqiang Huang, Dongxu Liu
Background: Erlotinib is a commonly used molecular-targeted drug for the treatment of tongue cancer. However, the development of acquired resistance to erlotinib hampers its therapeutic use. Materials and methods: To analyze the erlotinib resistance, long-term and short term survival assay were used to compare the resistance between parental and resistant tongue cancer cells. Flow cytometry, Hochest staining and western blot were used to analyze the apoptosis among the cells...
2018: OncoTargets and Therapy
Peipei Liu, Wenhui Li, Yuanyuan Hu, Youhong Jiang
Background: Breast cancer is the most common fatal cancer in women worldwide. Previous studies have demonstrated that allograft inflammatory factor 1 like (AIF1L) plays a key role in mammary tumorigenesis, although the mechanism involved remains unclear. Purpose: The purpose of this study was to assess the clinicopathological and prognostic significance of AIF1L expression levels and biological function in breast cancer. Patients and methods: We used immunohistochemistry to detect the expression of AIF1L in breast cancer...
2018: OncoTargets and Therapy
Chenghui Lin, Bin Gao, Xuemao Yan, Zixiong Lei, Kebing Chen, Yuquan Li, Qing Zeng, Zeqin Chen, Haomiao Li
Purpose: The purpose of this study is to evaluate the effects of miR-628 on migration and invasion of breast cancer stem cells (CSCs), which are essential for tumor recurrence and metastasis. Materials and methods: Quantitative reverse transcription-polymerase chain reaction was used to determine the expression of microRNAs and mRNAs. A subpopulation of CD44+ /CD24- breast CSCs were sorted by flow cytometry. Transwell assays were used to evaluate cell migration and invasion...
2018: OncoTargets and Therapy
Mariana Magalhães, Carmen Alvarez-Lorenzo, Angel Concheiro, Ana Figueiras, Ana Cláudia Santos, Francisco Veiga
Despite the current advances in the discovery of the lung cancer biomarkers and, consequently, in the diagnosis, this pathology continues to be the primary cause of cancer-related death worldwide. In most cases, the illness is diagnosed in an advanced stage, which limits the current treatment options available and reduces the survival rate. Therefore, RNAi-based therapy arises as a promising option to treat lung cancer. Areas covered: This review provides an overview on the exploitation of lung cancer biology to develop RNAi-based therapeutics to be applied in the treatment of lung cancer...
September 21, 2018: Expert Opinion on Drug Delivery
Shin Taek Oh, Keum Jin Yang, Yeong Ho Kim, Jung Min Bae, Hyun Jeong Park, Jin Woo Kim, Young Min Park
Transient receptor potential (TRP) channels are thought to play an important role in tumor-related functions including regulation of proliferation, differentiation, apoptosis, angiogenesis, migration, and invasion during cancer progression. TRPM8 is the most notable member of the TRPM subfamily. This article is protected by copyright. All rights reserved.
September 19, 2018: Journal of Cutaneous Pathology
Jianxun Liu, Liling Wang, Xuesong Li
High mobility group box 3 (HMGB3) is strongly involved in oncogenesis in a variety of cancers. In the present study, we have explored the role of HMGB3 in glioblastoma multiforme (GBM) tumorigenesis and have identified the microRNAs (miRNAs) miR-200b-3p and miR-200c-3p as negative regulators of HMGB3 expression. We began by determining that endogenous HMGB3 expression levels were significantly elevated in GBM tissues and in 3 GBM cell lines. To study the function of HMGB3 in GBM, we transfected a small-interfering RNA (siRNA) against HMGB3 into GBM cell lines U251 and LN229...
September 19, 2018: Cell Biochemistry and Function
Deshka S Foster, R Ellen Jones, Ryan C Ransom, Michael T Longaker, Jeffrey A Norton
The stroma in solid tumors contains a variety of cellular phenotypes and signaling pathways associated with wound healing, leading to the concept that a tumor behaves as a wound that does not heal. Similarities between tumors and healing wounds include fibroblast recruitment and activation, extracellular matrix (ECM) component deposition, infiltration of immune cells, neovascularization, and cellular lineage plasticity. However, unlike a wound that heals, the edges of a tumor are constantly expanding. Cell migration occurs both inward and outward as the tumor proliferates and invades adjacent tissues, often disregarding organ boundaries...
September 20, 2018: JCI Insight
Qing Li, Cong Wang, Yufeng Wang, Liankang Sun, Zhikui Liu, Liang Wang, Tao Song, Yingmin Yao, Qingguang Liu, Kangsheng Tu
BACKGROUND: Cartilage oligomeric matrix protein (COMP) is known to promote fibrosis in skin, lung and liver. Emerging evidence shows that COMP plays critical roles in tumor development, including breast cancer, colon cancer and hepatocellular carcinoma (HCC). Nevertheless, the role of COMP in HCC proliferation and metastasis and its underlying mechanisms remain fully unclear. METHODS: Serum COMP was determined by ELISA. Cell Counting Kit-8 and plate colony formation were performed to evaluate cell proliferation...
September 19, 2018: Journal of Experimental & Clinical Cancer Research: CR
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