نتایج جستجو برای: foxo1

تعداد نتایج: 2363  

Journal: :Bone 2011
Michelle F Siqueira Stephen Flowers Rupa Bhattacharya Dan Faibish Yugal Behl Darrell N Kotton Lou Gerstenfeld Elizabeth Moran Dana T Graves

Forkhead box O1 (FOXO1) is upregulated during bone formation and in response to stimulation by bone morphogenetic proteins. Studies presented here examined the functional role of FOXO1 in a well defined culture system in which pre-osteoblastic cells undergo terminal differentiation in vitro. Mineralizing cultures of MC3T3-E1 cells were examined with or without FOXO1 knockdown by RNAi. Normal ce...

2017
Tianxiu Dong Yu Zhang Yaodong Chen Pengfei Liu Tingting An Jiuwei Zhang Haichao Yang Wenjing Zhu Xiuhua Yang

The epithelial-to-mesenchymal transition (EMT) program is critical for epithelial cell cancer progression and fibrotic diseases. FOXO1 influences a broad range of physiological and pathological processes. However, the mechanism by which FOXO1 inhibits EMT is not fully understood. In this study, we demonstrated that FOXO1 overexpression inhibited cell motility and invasiveness in vitro and inhib...

Journal: :Cancer discovery 2017
Berkley E Gryder Marielle E Yohe Hsien-Chao Chou Xiaohu Zhang Joana Marques Marco Wachtel Beat Schaefer Nirmalya Sen Young Song Alberto Gualtieri Silvia Pomella Rossella Rota Abigail Cleveland Xinyu Wen Sivasish Sindiri Jun S Wei Frederic G Barr Sudipto Das Thorkell Andresson Rajarshi Guha Madhu Lal-Nag Marc Ferrer Jack F Shern Keji Zhao Craig J Thomas Javed Khan

Alveolar rhabdomyosarcoma is a life-threatening myogenic cancer of children and adolescent young adults, driven primarily by the chimeric transcription factor PAX3-FOXO1. The mechanisms by which PAX3-FOXO1 dysregulates chromatin are unknown. We find PAX3-FOXO1 reprograms the cis-regulatory landscape by inducing de novo super enhancers. PAX3-FOXO1 uses super enhancers to set up autoregulatory lo...

Journal: :Cancer research and treatment : official journal of Korean Cancer Association 2016
Sue Youn Kim Young San Ko Jinju Park Yiseul Choi Jong-Wan Park Younghoon Kim Jung-Soo Pyo Young Bok Yoo Jae-Seon Lee Byung Lan Lee

PURPOSE We previously reported that forkhead transcription factors of the O class 1 (FOXO1) expression in gastric cancer (GC) was associated with angiogenesis-related molecules. However, there is little experimental evidence for the direct role of FOXO1 in GC. In the present study, we investigated the effect of FOXO1 on the tumorigenesis and angiogenesis in GC and its relationship with SIRT1. ...

2015
Chenying Zhang Bhaskar Ponugoti Chen Tian Fanxing Xu Rohinton Tarapore Angelika Batres Sarah Alsadun Jason Lim Guangyu Dong Dana T. Graves

Healing is delayed in diabetic wounds. We previously demonstrated that lineage-specific Foxo1 deletion in keratinocytes interfered with normal wound healing and keratinocyte migration. Surprisingly, the same deletion of Foxo1 in diabetic wounds had the opposite effect, significantly improving the healing response. In normal glucose media, forkhead box O1 (FOXO1) enhanced keratinocyte migration ...

Akbari, Esmaeil, Askari, Babisan, Farajtabar Behrestaq , Saqqa,

  Background & objectives: Foxo1 is a transcription factor in insulin signaling in the liver. The function of Foxo1 is important in the ability of insulin to regulate hepatic glucose production and glucose homeostasis. The aim of this study was to determine the effect of resistance training program on Foxo1 expression in liver cells as well as glucose and insulin serum levels in male Wistar rat...

2018
Biagio Arcidiacono Eusebio Chiefari Sebastiano Messineo Francesco L Bilotta Ida Pastore Domenica M Corigliano Daniela P Foti Antonio Brunetti

PURPOSE The forkhead transcription factor (FoxO1) is a master transcriptional regulator of fundamental cellular processes ranging from cell proliferation and differentiation to inflammation and metabolism. However, despite its relevance, the mechanism(s) underlying FoxO1 gene regulation are largely unknown. We have previously shown that the chromatin factor high-mobility group A1 (HMGA1) plays ...

2014
Daisuke Kajimura Riccardo Paone J. John Mann Gerard Karsenty

The transcription factor FoxO1 regulates multiple physiological processes. Here, we show that FoxO1 is highly expressed in neurons of the locus coeruleus and of various sympathetic ganglions, but not in the adrenal medulla. Consistent with this pattern of expression, mice lacking FoxO1 only in sympathetic neurons (FoxO1 Dbh-/-) display a low sympathetic tone without modification of the catechol...

2011
Amy D. Marshall Irina Lagutina Gerard C. Grosveld

Alveolar rhabdomyosarcoma (ARMS) is a muscle-derived childhood tumor characterized by production of oncogenic PAX3/7-FOXO1 chimeric transcription factors. While downstream targets of the PAX3-FOXO1 oncoprotein in ARMS have been defined, the functional relevance of these targets is unclear. Here, we show that upregulation of the cannabinoid receptor 1 (Cnr1/Cb1) by PAX3-FOXO1 in mouse primary my...

Journal: :Molecular and cellular endocrinology 2015
Danalea V Skarra Varykina G Thackray

The FOXO1 transcription factor is important for multiple aspects of reproductive function. We previously reported that FOXO1 functions as a repressor of gonadotropin hormone synthesis, but how FOXO1 is regulated in pituitary gonadotropes is unknown. The growth factors, insulin and insulin-like growth factor I (IGF1), function as key regulators of cell proliferation, metabolism and apoptosis in ...

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