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Hye-Jin Tak, Tae-Jin Park, Piao Zhengguo, Sang-Hwy Lee
BACKGROUND: Syngnathia is a congenital craniofacial disorder characterized by bony or soft tissue fusion of upper and lower jaws. Previous studies suggested some causative signals, such as Foxc1 or Bmp4, cause the disruption of maxillomandibular identity, but their location and the interactive signals involved remain unexplored. We thus wanted to examine the embryonic origin of syngnathia based on the assumption that it may be located at the separation between the maxillary and mandibular processes...
October 18, 2016: Developmental Dynamics: An Official Publication of the American Association of Anatomists
Jeff Johnson, Michael Choi, Farnaz Dadmanesh, Bingchen Han, Ying Qu, Yi Yu-Rice, Xiao Zhang, Sanjay Bagaria, Clive Taylor, Armando E Giuliano, Farin Amersi, Xiaojiang Cui
Breast cancers arising in the setting of the hereditary breast cancer genes BRCA1 and BRCA2 are most commonly classified as basal-like breast cancer (BLBC) or luminal breast cancer, respectively. BLBC is an aggressive subtype of breast cancer associated with liver and lung metastases and poorer prognosis than other subtypes and for which chemotherapy is the only systemic therapy. Multiple immunohistochemical markers are used to identify the basal-like subtype, including the absence of estrogen receptor alpha, progesterone receptor, and human epidermal growth factor receptor 2...
September 30, 2016: Oncotarget
Manish Kumar, Chelsea Chambers, Radhika Dhamija
No abstract text is available yet for this article.
September 9, 2016: Pediatric Neurology
Lusi Zhang, Jie Deng, Qian Pan, Yan Zhan, Jian-Bing Fan, Kun Zhang, Zhuohua Zhang
Parkinson disease (PD) is a progressive neurodegenerative movement disorder. Both environmental and genetic factors play important roles in PD etiology. A number of environmental toxins cause parkinsonism in human and animal models. Genetic studies of rare early onset familial PD cases resulted in identification of disease-linked mutations in multiple genes. Nevertheless, the potential interaction between environment and genetics in PD pathogenesis remains largely unknown. We hypothesized that environmental factors induce abnormal epigenetic regulation that is involved in the pathogenesis of both familial and sporadic PD...
May 13, 2016: Journal of Genetics and Genomics, Yi Chuan Xue Bao
Hou Dong Zuo, Wei Wu Yao
PURPOSE: To investigate the role of high forkhead box C1 (FOXC1) expression in basal-like breast cancer (BLBC) in vitro and vivo and the underlying regulatory mechanism. METHODS: The lentivirus vector with green fluorescent protein (GFP) was used. MDA-MB-231 cells expressing consistently high levels of FOXC1 (FOXC1-MDA-MB-231) were established. The parental MDA-MB-231 cells served as controls. Western blot analysis was used to determine the FOXC1 expression. The invasion capability was tested using the Trans-well assay...
July 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
Swati Mishra, Youngshik Choe, Samuel J Pleasure, Julie A Siegenthaler
Growth and maturation of the cerebrovasculature is a vital event in neocortical development however mechanisms that control cerebrovascular development remain poorly understood. Mutations in or deletions that include the FOXC1 gene are associated with congenital cerebrovascular anomalies and increased stroke risk in patients. Foxc1 mutant mice display severe cerebrovascular hemorrhage at late gestational ages. While these data demonstrate Foxc1 is required for cerebrovascular development, its broad expression in the brain vasculature combined with Foxc1 mutant's complex developmental defects have made it difficult to pinpoint its function(s)...
September 23, 2016: Developmental Biology
Sumei Chen, Shunchang Jiao, Youchao Jia, Yang Li
BACKGROUND: The aim of this study was to evaluate the effects of targeted silencing of forkhead box C1 (FOXC1) gene with small interfering RNA (siRNA) on the proliferation and in vitro migration of human non-small-cell lung carcinoma (NSCLC) A549 and NCIH460 cells, and to explore the molecular mechanism. METHODS: These cells were divided into FOXC1 siRNA groups and negative control groups. RESULTS: Quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR) showed that compared with normal cells and paracancerous tissues, FOXC1 mRNA expressions in NSCLC cells and tissues were significantly higher (P<0...
2016: American Journal of Translational Research
Chang-Yi Cui, Ryuga Ishii, Dean P Campbell, Marc Michel, Yulan Piao, Tsutomu Kume, David Schlessinger
Sweat glands are critical for thermoregulation. The single tubular structure of sweat glands has a lower secretory portion and an upper reabsorptive duct leading to the secretory pore in the skin. Genes that determine sweat gland structure and function are largely unidentified. Here we report that a Fox family transcription factor, Foxc1, is obligate for appreciable sweat duct activity in mice. When Foxc1 was specifically ablated in skin, sweat glands appeared mature, but the mice were severely hypohidrotic...
September 1, 2016: Journal of Investigative Dermatology
Yuanyuan Wang, Xingyi Guo, Michael J Bray, Zhiyong Ding, Zhongming Zhao
BACKGROUND: Clear cell renal cell carcinoma (ccRCC) is the most common type of kidney cancer. Recent large-scale next-generation sequencing analyses reveal that PBRM1 is the second most frequently mutated gene harboring many truncated mutations and has a suspected tumor suppressor role in ccRCC. However, the biological consequences of PBRM1 somatic mutations (e.g., truncated mutations) that drive tumor progression in ccRCC remain unclear. METHODS: In this study, we proposed an integrative genomics approach to explore the functional consequences of PBRM1 truncated mutations in ccRCC by incorporating somatic mutations, mRNA expression, DNA methylation, and microRNA (miRNA) expression profiles from The Cancer Genome Atlas (TCGA)...
August 22, 2016: BMC Genomics
Ji-Yeon Kim, Hae Hyun Jung, Soomin Ahn, SooYoun Bae, Se Kyung Lee, Seok Won Kim, Jeong Eon Lee, Seok Jin Nam, Jin Seok Ahn, Young-Hyuck Im, Yeon Hee Park
We investigated gene expression profiles of the NF-κB pathway in patients with triple-negative breast cancer (TNBC) receiving adjuvant chemotherapy to determine the prognostic value of NF-κB pathway genes according to chemotherapeutic regimen. We used the nCounter expression assay to measure expression of 11 genes (NFKB1, NFKB2, RELA, RELB, REL, TP53, FOXC1, TBP, SP1, STAT3 and IRF1 genes) belonging to the NF-κB pathway using mRNA extracted from paraffin-embedded tumor tissues from 203 patients diagnosed with TNBC...
2016: Scientific Reports
Jinhua Wang, Li Li, Shiwei Liu, Ying Zhao, Lin Wang, Guanhua Du
FOXC1 is a member of Forkhead box family transcription factors. We showed that FOXC1 level was increased in melanoma cells and tissues and correlated with hypomethylation of the FOXC1 gene. Overexpression of FOXC1 promoted proliferation, migration, invasion, colony formation and growth in 3D Matrigel of melanoma cells. FOXC1 increased MST1R and activated the PI3K/AKT pathway. Also, FOXC1 expression was associated with disease progression and poor prognosis of melanoma. We suggest that FOXC1 is a potential prognostic biomarker for treating melanoma and predicting outcome of patients...
August 11, 2016: Oncotarget
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
Wilson Petrushnko, Justin S Gundara, Philip R De Reuver, Greg O'Grady, Jaswinder S Samra, Anubhav Mittal
BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) continues to be associated with a poor prognosis. This systematic review aimed to summarize the literature regarding potential prognostic biomarkers to facilitate validation studies and clinical application. METHODS: A systematic review was performed (2004-2014) according to PRISMA guidelines. Studies were ranked using REMARK criteria and the following outcomes were examined: overall/disease free survival, nodal involvement, tumour characteristics, metastasis, recurrence and resectability...
August 2016: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
Lucia Mauri, Steffen Uebe, Heinrich Sticht, Urs Vossmerbaeumer, Nicole Weisschuh, Emanuela Manfredini, Edoardo Maselli, Mariacristina Patrosso, Robert N Weinreb, Silvana Penco, André Reis, Francesca Pasutto
BACKGROUND: Primary congenital glaucoma (PCG) and early onset glaucomas are one of the major causes of children and young adult blindness worldwide. Both autosomal recessive and dominant inheritance have been described with involvement of several genes including CYP1B1, FOXC1, PITX2, MYOC and PAX6. However, mutations in these genes explain only a small fraction of cases suggesting the presence of further candidate genes. METHODS: To elucidate further genetic causes of these conditions whole exome sequencing (WES) was performed in an Italian patient, diagnosed with PCG and retinal detachment, and his unaffected parents...
2016: Orphanet Journal of Rare Diseases
Shazia Micheal, Sorath Noorani Siddiqui, Saemah Nuzhat Zafar, Cristina Villanueva-Mendoza, Vianney Cortés-González, Muhammad Imran Khan, Anneke I den Hollander
BACKGROUND: Anterior segment dysgenesis (ASD) disorders are a group of clinically and genetically heterogeneous phenotypes in which frequently cornea, iris, and lens are affected. This study aimed to identify novel mutations in PAX6, PITX2 and FOXC1 in families with anterior segment dysgenesis disorders. METHODS: We studied 14 Pakistani and one Mexican family with Axenfeld Rieger syndrome (ARS; n = 10) or aniridia (n = 5). All affected and unaffected family members underwent full ophthalmologic and general examinations...
2016: PloS One
Guangzhong Xu, Kai Li, Nengwei Zhang, Bin Zhu, Guosheng Feng
Background. Construction of the transcriptional regulatory network can provide additional clues on the regulatory mechanisms and therapeutic applications in gastric cancer. Methods. Gene expression profiles of gastric cancer were downloaded from GEO database for integrated analysis. All of DEGs were analyzed by GO enrichment and KEGG pathway enrichment. Transcription factors were further identified and then a global transcriptional regulatory network was constructed. Results. By integrated analysis of the six eligible datasets (340 cases and 43 controls), a bunch of 2327 DEGs were identified, including 2100 upregulated and 227 downregulated DEGs...
2016: Gastroenterology Research and Practice
Ting Yao, Qinfu Wang, Wenyong Zhang, Aihong Bian, Jinping Zhang
Renal cell carcinoma (RCC) is the most common type of kidney cancer in adults and accounts for ~80% of all kidney cancer cases. However, the pathogenesis of RCC has not yet been fully elucidated. To interpret the pathogenesis of RCC at the molecular level, gene expression data and bio-informatics methods were used to identify RCC associated genes. Gene expression data was downloaded from Gene Expression Omnibus (GEO) database and identified differentially coexpressed genes (DCGs) and dysfunctional pathways in RCC patients compared with controls...
July 2016: Oncology Letters
Maryam Pashaiasl, Mansour Ebrahimi, Esmaeil Ebrahimie
Diminished ovarian reserve (DOR) is one of the reasons for infertility that not only affects both older and young women. Ovarian reserve assessment can be used as a new prognostic tool for infertility treatment decision making. Here, up- and down-regulated gene expression profiles of granulosa cells were analysed to generate a putative interaction map of the involved genes. In addition, gene ontology (GO) analysis was used to get insight intol the biological processes and molecular functions of involved proteins in DOR...
September 2016: Molecular Biology Reports
Bingchen Han, Ying Qu, Yi Yu-Rice, Jeffrey Johnson, Xiaojiang Cui
The Forkhead box C1 (FOXC1) transcriptional factor is a critical biomarker for basal-like breast cancer (BLBC). We recently reported that FOXC1 promotes cancer stem cell properties in BLBC by activating Smoothened (SMO)-independent Hedgehog (Hh) signaling, suggesting a FOXC1-mediated mechanism for BLBC cell function and anti-Hh therapy resistance.
May 2016: Molecular & Cellular Oncology
Tim D D Somerville, Tim C P Somervaille
Tissue-inappropriate derepression of the mesenchymal transcription factor gene Forkhead Box C1 (FOXC1) occurs in approximately 20% of patients with acute myeloid leukemia. Through experimental and bioinformatics analyses, we have demonstrated this to be both functional (enhancing the myeloid lineage differentiation block characteristic of the disease) and adversely prognostic.
March 2016: Molecular & Cellular Oncology
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