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Archis Bagati, Anna Bianchi-Smiraglia, Sudha Moparthy, Kateryna Kolesnikova, Emily E Fink, Brittany C Lipchick, Masha Kolesnikova, Peter Jowdy, Anthony Polechetti, Amin Mahpour, Jason Ross, Joseph A Wawrzyniak, Dong Hyun Yun, Gyorgy Paragh, Nadezhda I Kozlova, Albert E Berman, Jianmin Wang, Song Liu, Michael J Nemeth, Mikhail A Nikiforov
Lineage-specific regulation of tumor progression by the same transcription factor is understudied. We find that levels of the FOXQ1 transcription factor, an oncogene in carcinomas, are decreased during melanoma progression. Moreover, in contrast to carcinomas, FOXQ1 suppresses epithelial-to-mesenchymal transition, invasion, and metastasis in melanoma cells. We find that these lineage-specific functions of FOXQ1 largely depend on its ability to activate (in carcinomas) or repress (in melanoma) transcription of the N-cadherin gene (CDH2)...
September 19, 2017: Cell Reports
Jian Guo, Yan Yan, Yu Yan, Qinyue Guo, Mingxin Zhang, Jia Zhang, David Goltzman
Gastric cancer (GC) is one of the most common malignancies, and is the second leading cause of cancer-related deaths worldwide. Macrophages infiltrated in the tumor microenvironment (TME) called tumor-associated macrophages (TAMs) are key orchestrators in TME. In GC, it has been reported that infiltration of TAMs is associated with epithelial-mesenchymal transition (EMT)-related proteins in human GC tissues, but the exactly mechanism has not been clarified. In the present study, we aimed to elucidate the underlying mechanism of TAMs on GC cells...
August 3, 2017: Oncology Reports
Pan Wang, Cuicui Lv, Tao Zhang, Junling Liu, Jin Yang, Fangxia Guan, Tianpei Hong
Cellular senescence is an initial barrier to tumor development that prevents the proliferation of premalignant cells. However, some of the features of senescent cells seem to promote tumor progression via senescence-associated secretory phenotype (SASP). Here, we demonstrated that the protein level of forkhead box Q1 (FOXQ1), which highly overexpresses in several kinds of tumors, was significantly downregulated during both replicative and oncogene-induced senescence. Moreover, overexpression of FOXQ1 delayed senescence, whereas FOXQ1 silence led to premature senescence in human fibroblasts...
July 20, 2017: Cell Death & Disease
Mike Hupe, Minerva Xueting Li, Susanne Kneitz, Daria Davydova, Chika Yokota, Julianna Kele-Olovsson, Belma Hot, Jan M Stenman, Manfred Gessler
The blood-brain barrier is a dynamic interface that separates the brain from the circulatory system, and it is formed by highly specialized endothelial cells. To explore the molecular mechanisms defining the unique nature of vascular development and differentiation in the brain, we generated high-resolution gene expression profiles of mouse embryonic brain endothelial cells using translating ribosome affinity purification and single-cell RNA sequencing. We compared the brain vascular translatome with the vascular translatomes of other organs and analyzed the vascular translatomes of the brain at different time points during embryonic development...
July 11, 2017: Science Signaling
Farzad Soleimani, Mohammadreza Hajjari, Bahram Mohammad Soltani, Mehrdad Behmanesh
OBJECTIVE: Forkhead box (FOX) proteins are important regulators of the epithelial-to-mesenchymal transition (EMT), which is the main mechanism of cancer metastasis. Different studies have shown their potential involvement in progression of cancer in different tissues such as breast, ovary and colorectum. In this study, we aimed to analyze the expression of genes encoding two FOX proteins in gastric adenocarcinoma. MATERIALS AND METHODS: In this experimental case-control study, the expression of FOXC2 and FOXQ1 was examined in 31 gastric adenocarcinoma tumors and 31 normal adjacent gastric tissues by reverse transcription polymerase chain reaction (PCR)...
2017: Cell Journal
Jia Yun Liu, Xiao Yu Wu, Guan Nan Wu, Fu-Kun Liu, Xue-Quan Yao
Colorectal cancer is one of the major health problems, with invade surrounding tissues, and migrate to distant organs being the most critical concern, thus identified metastasis associated hallmarks and more efficacious treatment are urgently needed. It found that forkhead box q1 (FOXQ1) is aberrant expression in variety of human cancers and FOXQ1 is involved in oncogenic pathways. However, the role of FOXQ1 has been unexplored in colorectal cancer metastasis to date. Here, expression of FOXQ1 was higher in colorectal cancer tissue samples and cancer cell lines than in normal colorectal tissue and cell lines...
2017: American Journal of Translational Research
Xiaohai Cui, Jing Zhang, Jiajun Lv, Yan Yan, Xu Liu, Jizhao Wang, Yi Lv, Jia Zhang
BACKGROUND: Forkhead box Q1 (FOXQ1, also known as HFH1), a member of the forkhead transcription factor family, has been demonstrated to be overexpressed in multiple tumors and is thought to be an indicator of poor clinical outcomes. METHODS: A meta-analysis using qualified relevant literature was performed to evaluate the prognostic significance of FOXQ1 in various malignant solid tumors. A search of electronic databases was conducted in MEDLINE, Embase, and the Cochrane Library to identify relevant studies published from 1966 to July 30, 2016, and the studies were identified by further evaluation...
2017: OncoTargets and Therapy
Rebekah L Rogers, Montgomery Slatkin
Woolly mammoths (Mammuthus primigenius) populated Siberia, Beringia, and North America during the Pleistocene and early Holocene. Recent breakthroughs in ancient DNA sequencing have allowed for complete genome sequencing for two specimens of woolly mammoths (Palkopoulou et al. 2015). One mammoth specimen is from a mainland population 45,000 years ago when mammoths were plentiful. The second, a 4300 yr old specimen, is derived from an isolated population on Wrangel island where mammoths subsisted with small effective population size more than 43-fold lower than previous populations...
March 2017: PLoS Genetics
Clara Bodelon, Hannah Oh, Nilanjan Chatterjee, Montserrat Garcia-Closas, Maya Palakal, Mark E Sherman, Ruth M Pfeiffer, Berta Geller, Pamela Vacek, Donald L Weaver, Rachael Chicoine, Daphne Papathomas, Jackie Xiang, Deesha A Patel, Zeina G Khodr, Laura Linville, Susan E Clare, Daniel W Visscher, Carolyn Mies, Stephen M Hewitt, Louise A Brinton, Anna Maria V Storniolo, Chunyan He, Stephen J Chanock, Gretchen L Gierach, Jonine D Figueroa
Terminal duct lobular units (TDLUs) are the predominant source of future breast cancers, and lack of TDLU involution (higher TDLU counts, higher acini count per TDLU and the product of the two) is a breast cancer risk factor. Numerous breast cancer susceptibility single nucleotide polymorphisms (SNPs) have been identified, but whether they are associated with TDLU involution is unknown. In a pooled analysis of 872 women from two studies, we investigated 62 established breast cancer SNPs and relationships with TDLU involution...
February 15, 2017: International Journal of Cancer. Journal International du Cancer
Jolanta M Topczewska, Ramy A Shoela, Joanna P Tomaszewski, Rupa B Mirmira, Arun K Gosain
Using morphological, histological, and TEM analyses of the cranium, we provide a detailed description of bone and suture growth in zebrafish. Based on expression patterns and localization, we identified osteoblasts at different degrees of maturation. Our data confirm that, unlike in humans, zebrafish cranial sutures maintain lifelong patency to sustain skull growth. The cranial vault develops in a coordinated manner resulting in a structure that protects the brain. The zebrafish cranial roof parallels that of higher vertebrates and contains five major bones: one pair of frontal bones, one pair of parietal bones, and the supraoccipital bone...
2016: PloS One
Yang Li, Xu-Qing Tang, Zhonghu Bai, Xiaofeng Dai
Exploring the intrinsic differences among breast cancer subtypes is of crucial importance for precise diagnosis and therapeutic decision-making in diseases of high heterogeneity. The subtypes defined with several layers of information are related but not consistent, especially using immunohistochemistry markers and gene expression profiling. Here, we explored the intrinsic differences among the subtypes defined by the estrogen receptor, progesterone receptor and human epidermal growth factor receptor 2 based on the decision tree...
October 27, 2016: Scientific Reports
Xiang Zhang, Lijuan Wang, Yingmei Wang, Shenjia Shi, Huayu Zhu, Fengjin Xiao, Jing Yang, Angang Yang, Xiaoke Hao
Forkhead box Q1 (FOXQ1) has been recognized as an oncogene that is overexpressed in different cancers, and several studies have shown that FOXQ1 is related to apoptosis and proliferation in many cancer types. However, the role and the molecular mechanism of FOXQ1 in prostate cancer remains unclear. In this study, we aimed to explore the role of FOXQ1 in regulating cell apoptosis, proliferation and invasion in prostate cancer and the underlying mechanism. We found that FOXQ1 was highly expressed in the prostate cancer tissues and cell lines...
October 2016: Oncology Reports
Hock Chuan Yeo, Sherwin Ting, Romulo Martin Brena, Geoffrey Koh, Allen Chen, Siew Qi Toh, Yu Ming Lim, Steve Kah Weng Oh, Dong-Yup Lee
The differentiation efficiency of human embryonic stem cells (hESCs) into heart muscle cells (cardiomyocytes) is highly sensitive to culture conditions. To elucidate the regulatory mechanisms involved, we investigated hESCs grown on three distinct culture platforms: feeder-free Matrigel, mouse embryonic fibroblast feeders, and Matrigel replated on feeders. At the outset, we profiled and quantified their differentiation efficiency, transcriptome, transcription factor binding sites and DNA-methylation. Subsequent genome-wide analyses allowed us to reconstruct the relevant interactome, thereby forming the regulatory basis for implicating the contrasting differentiation efficiency of the culture conditions...
2016: Scientific Reports
Ying Cui, Aijun Qiao, Tao Jiao, Huabing Zhang, Yuan Xue, Yongkang Zou, Anfang Cui, Fude Fang, Yongsheng Chang
AIM/HYPOTHESIS: Hepatic forkhead box q1 (FOXQ1) expression levels are regulated by nutritional and pathophysiological status. In this study we investigated the role of FOXQ1 in the regulation of hepatic gluconeogenesis. METHODS: We used multiple mouse and cell models to study the role of FOXQ1 in regulating expression of gluconeogenic genes, and cellular and hepatic glucose production. RESULTS: Expression of hepatic FOXQ1 was regulated by fasting in normal mice and was dysregulated in diabetic mice...
October 2016: Diabetologia
LingYun Yang, Ke Yi, HongJing Wang, YiQi Zhao, MingRong Xi
Long non-coding RNAs are emerging to be novel regulators in gene expression. In current study, lncRNAs microarray and lncRNA-mRNA co-expression analysis were performed to explore the alternation and function of lncRNAs in cervical cancer cells. We identified that 4750 lncRNAs (15.52%) were differentially expressed in SiHa (HPV-16 positive) (2127 up-regulated and 2623 down-regulated) compared with C-33A (HPV negative), while 5026 lncRNAs (16.43%) were differentially expressed in HeLa (HPV-18 positive) (2218 up-regulated and 2808 down-regulated) respectively...
August 2, 2016: Oncotarget
Anja Fleger-Weckmann, Yasemin Üstün, Jennifer Kloepper, Ralf Paus, Wilhelm Bloch, Zu-Lin Chen, Jeannine Wegner, Lydia Sorokin, Lutz Langbein, Beate Eckes, Paola Zigrino, Thomas Krieg, Roswitha Nischt
Laminins are the most abundant non-collagenous basement membrane (BM) components, composed of an α, β and γ chain. The laminin γ1 chain, encoded by LAMC1, is the most abundant γ chain. The main laminin isoforms in the dermo-epidermal junction (DEJ) are laminin-332, laminin-511 and laminin-211, the latter being restricted to the lower part of hair follicles (HFs). Complete deletion of LAMC1 results in lethality around embryonic day 5.5. To study the function of laminin γ1 containing isoforms in skin development and maturation after birth, we generated mice lacking LAMC1 expression in basal keratinocytes (LAMC1(EKO)) using the keratin 14 (K14) Cre/loxP system...
December 2016: Matrix Biology: Journal of the International Society for Matrix Biology
Yang Li, Yefei Zhang, Zhendong Yao, Sisi Li, Zhenhua Yin, Min Xu
As a member of the Forkhead box protein family, Forkhead box Q1 (FOXQ1) is a transcription factor that functions to regulate cell differentiation. Recently, an increasing number of studies have demonstrated that FOXQ1 is significantly associated with the pathogenesis of tumors. This review aims to predominantly discuss the relationship between FOXQ1 and various types of tumor. The FOXQ1 gene is located at human chromosome 6p25.3 and encodes a functional 403 amino acid protein, which has many physiological functions, including promoting epithelial differentiation, inhibiting smooth muscle differentiation, activating T cells and autoimmunity, and controlling mucin gene expression and granule content in stomach surface mucous cells...
July 2016: International Journal of Oncology
Wenhao Weng, Yoshinaga Okugawa, Shusuke Toden, Yuji Toiyama, Masato Kusunoki, Ajay Goel
PURPOSE: Colorectal cancer ranks as the third most frequent cancer type, and its incidence continues to rise gradually worldwide, highlighting the need to identify previously unrecognized molecular events that propel development of this malignancy. Recent evidence suggests that dysregulated expression of FOX family of transcription factors may be critical in various genetic disorders as well as cancer; however, the functional and clinical significance of this pathway in colorectal cancer remains unclear...
October 1, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Su-Hyeong Kim, Catherine H Kaschula, Nolan Priedigkeit, Adrian V Lee, Shivendra V Singh
Diallyl trisulfide (DATS), a metabolic byproduct of garlic, is known to inhibit the growth of breast cancer cells in vitro and in vivo This study demonstrates that DATS targets breast cancer stem cells (bCSC). Exposure of MCF-7 and SUM159 human breast cancer cells to pharmacological concentrations of DATS (2.5 and 5 μm) resulted in dose-dependent inhibition of bCSC, as evidenced by a mammosphere assay and flow cytometric analysis of aldehyde dehydrogenase 1 (ALDH1) activity and the CD44(high)/CD24(low)/epithelial specific antigen-positive fraction...
June 24, 2016: Journal of Biological Chemistry
Radhakrishnan Vishnubalaji, Rimi Hamam, Shijun Yue, Omar Al-Obeed, Moustapha Kassem, Fei-Fei Liu, Abdullah Aldahmash, Nehad M Alajez
Colorectal cancer (CRC) is the third most common cancer causing high mortality rates world-wide. Delineating the molecular mechanisms leading to CRC development and progression, including the role of microRNAs (miRNAs), are currently being unravelled at a rapid rate. Here, we report frequent downregulation of the microRNA miR-320 family in primary CRC tissues and cell lines. Lentiviral-mediated re-expression of miR-320c (representative member of the miR-320 family) inhibited HCT116 CRC growth and migration in vitro, sensitized CRC cells to 5-Fluorouracil (5-FU), and inhibited tumor formation in SCID mice...
June 14, 2016: Oncotarget
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