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Jingru Sun, Shengguo Yi, Lei Qiu, Wenjing Fu, Anqi Wang, Fengjie Liu, Lin Wang, Tingting Wang, Hao Chen, Lei Wang, Marshall E Kadin, Ping Tu, Yang Wang
Cutaneous CD30+ lymphoproliferative disorder (CD30+LPDs), including lymphomatoid papulosis (LyP) and primary cutaneous anaplastic large-cell lymphoma (PCALCL), comprises the second most common group of cutaneous T cell lymphoma. Previously, we reported that special AT-rich sequence-binding protein1 (SATB1), a thymocyte specific chromatin organizer, was over-expressed and promoted malignant T-cell proliferation in a portion of CD30+LPDs. Here, we investigated the expression pattern of SATB1 in CD30+LPDs with a large cohort of patient samples, and examined the potential of SATB1 as a molecular marker to classify CD30+LPDs with differential clinicopathological behaviors...
March 3, 2018: Journal of Investigative Dermatology
Ivana Kristina Delic Jukic, Sandra Kostic, Natalija Filipovic, Larissa Gudelj Ensor, Marijeta Ivandic, Josefina Josipa Dukic, Marija Vitlov Uljevic, Lejla Ferhatovic Hamzic, Livia Puljak, Katarina Vukojevic
Background: Diabetic nephropathy (DN) is a common complication of diabetes mellitus (DM). We studied the expression of special AT-rich sequence binding protein 1 (SATB1) and phosphatase and tensin homologue (PTEN) in the kidneys of diabetic rats during ageing. Methods: Male Sprague Dawley rats were injected with 55 mg/kg streptozotocin (STZ) (DM group) or with citrate buffer (control group). Kidneys were collected after 2 weeks, 6 months and 12 months, and were analysed in three different kidney structures: glomeruli, proximal (PCT) and distal convoluted tubules (DCT)...
March 1, 2018: Nephrology, Dialysis, Transplantation
Xin Pan, Da Li, Jianing Huo, Fanfei Kong, Hui Yang, Xiaoxin Ma
Long noncoding RNAs (lncRNAs) have been implicated in tumorigenesis and cancer progression and are tightly associated with the phenotypes of numerous cancers. However, the functional roles underlying these effects are unknown. The expression levels of LINC01016, miR-302a-3p, miR-3130-3p, NFYA, and SATB1 were evaluated by quantitative real-time polymerase chain reaction (qRT-PCR) in 33 endometrial cancer tissues and 20 normal tissues. Bioinformatics analyses, luciferase reporter analyses, chromatin immunoprecipitation (ChIP) assays, and qRT-PCR assays were performed to verify potential binding sites...
February 21, 2018: Cell Death & Disease
Jun Li, Guangqun Xing, Lili Zhang, Jinchun Shang, Yuan Li, Chunmei Li, Fen Tian, Xiangdong Yang
Chronic kidney disease-mineral and bone disorder (CKD-MBD) is a complex disease which is associated with alterations of bone and mineral metabolism. miR-223 is implicated in both vascular calcification and osteoporosis. In the present study, we investigated the influence of Stab1 gene on miRNA-223 expression in osteoclastogenesis. Differentiation of monocyte/macrophage precursors was assessed by using RAW264.7 cells and peripheral blood mononuclear cells (PBMC). TRAP activity and bone resorption were used to measure osteoclast activity...
November 1, 2017: Die Pharmazie
Yasushi Akiba, Taku Kuwabara, Takanori Mukozu, Tetuo Mikami, Motonari Kondo
The genome organizer special AT-rich sequence binding protein 1 (SATB1) regulates specific functions through chromatin remodeling in helper T cells. We recently reported that T cells from SATB1 conditional knockout (SATB1cKO) mice, in which the Satb1 gene is deleted from hematopoietic cells, impaired the phosphorylation of signaling molecules in response to T cell receptor (TCR) crosslinking. However, the in vivo T cell response upon antigen presentation in the absence of SATB1 remains unclear. We show that SATB1 modulates the T cell antigen response during the induction and effector phases...
February 1, 2018: Microbiology and Immunology
Meng Ding, Jun Pan, Zhicheng Guo, Quhe Liu, Chunhua Yang, Lijun Mao
The special AT-rich sequence binding-protein1 (SATB1) attracts excessive attention due to its high expression in a variety of malignancies. SATB1 reprograms chromatin and transcription profiles to promote tumor cell growth and invasion and inhibit apoptosis, leading to tumor progression and metastasis. Consistently, silencing SATB1 with small interfering RNA inhibits the growth and invasion of some kinds of tumors. In this review, we highlight recent progress in our understanding of the role of SATB1 as global regulator of gene expression during cancer development, and evaluate the potential of SATB1 as a molecular therapeutic target for cancers with aberrant SATB1 expression...
January 30, 2018: Cancer Investigation
Natalia Glatzel-Plucinska, Aleksandra Piotrowska, Jedrzej Grzegrzolka, Mateusz Olbromski, Adam Rzechonek, Piotr Dziegiel, Marzenna Podhorska-Okolow
BACKGROUND: Non-small cell lung carcinomas (NSCLCs), mainly adenocarcinoma (AC) and squamous cell carcinoma (LSCC), account for about 80% of all lung cancer cases. One of the proteins involved in NSCLC progression may be special AT-rich binding protein 1 (SATB1), a potent transcriptional regulator, able to control the expression of whole sets of genes simultaneously. SATB1 has been found to be associated with aggressive phenotype and poor prognosis in numerous malignancies, including breast, colon, ovary and prostate cancer...
February 2018: Anticancer Research
Sara B Estruch, Sarah A Graham, Martí Quevedo, Arianna Vino, Dick H W Dekkers, Pelagia Deriziotis, Elliot Sollis, Jeroen Demmers, Raymond A Poot, Simon E Fisher
FOXP transcription factors play important roles in neurodevelopment, but little is known about how their transcriptional activity is regulated. FOXP proteins cooperatively regulate gene expression by forming homo- and hetero-dimers with each other. Physical associations with other transcription factors might also modulate the functions of FOXP proteins. However, few FOXP-interacting transcription factors have been identified so far. Therefore, we sought to discover additional transcription factors that interact with the brain-expressed FOXP proteins, FOXP1, FOXP2 and FOXP4, through affinity-purifications of protein complexes followed by mass spectrometry...
January 22, 2018: Human Molecular Genetics
Songhui Zhai, Jianxin Xue, Zheng Wang, Lijuan Hu
Previous studies of the roles of special AT-rich sequence binding protein-1 (SATB1) in the development and progression of cancer have suggested that SATB1 promotes cancer cell metastasis. The aim of the present study is to evaluate the role of SATB1 in the progression and prognosis of esophageal squamous cell carcinoma (ESCC). ESCC tissues were collected from 102 patients and SATB1 mRNA expression was measured by reverse transcription-quantitative polymerase chain reaction. The association between expression of SATB1 mRNA with clinicopathological features and prognosis was assessed, and the prognosis of ESCC was evaluated using Kaplan-Meier survival curves...
December 2017: Oncology Letters
Yang Li, Jin Wang, Minghang Yu, Yang Wang, Huilai Zhang, Jie Yin, Zexing Li, Ting Li, Han Yan, Fajin Li, Xi Wang
SNF5, is a core member of the SWI/SNF chromatin remodeling complex. It's deficiency leads to multiple types of aggressive cancer. Sézary syndrome, a leukemic variant of cutaneous T-cell lymphoma, is characterized by its resistance to apoptosis. Although the cause of apoptosis resistance is still poorly understood, recent evidence has revealed the importance of SATB1 in the apoptosis resistance of Sézary syndrome. In this study, we show that SNF5 is an upstream regulator of SATB1 in several conditions and that both are deficient in Sézary cells...
January 16, 2018: Leukemia & Lymphoma
Anja Frömberg, Kurt Engeland, Achim Aigner
The Special AT-rich Sequence Binding Protein 1 (SATB1) exerts multiple functions, by influencing the structural organization of chromatin and interacting with several co-activators and co-repressors of transcription. Thus, SATB1 affects the expression of various genes by multiple mechanisms of action, involving three-dimensional chromatin architecture. More recently, SATB1 has been connected with solid tumors, tumorigenesis, tumor progression and tumor immunity. On the diagnostic side, SATB1 levels were found to correlate with clinicopathological features like increased TNM stage, reduced tumor differentiation, and a shorter overall survival...
January 4, 2018: Cancer Letters
Tomohiko Ishibashi, Takafumi Yokota, Yusuke Satoh, Michiko Ichii, Takao Sudo, Yukiko Doi, Tomoaki Ueda, Yasuhiro Nagate, Yuri Hamanaka, Akira Tanimura, Sachiko Ezoe, Hirohiko Shibayama, Kenji Oritani, Yuzuru Kanakura
Information of myeloid lineage-related antigen on hematopoietic stem/progenitor cells (HSPCs) is important to clarify the mechanisms regulating hematopoiesis, as well as for the diagnosis and treatment of myeloid malignancies. We previously reported that special AT-rich sequence-binding protein 1 (SATB1), a global chromatin organizer, promotes lymphoid differentiation from HSPCs. To search a novel cell surface molecule discriminating early myeloid and lymphoid differentiation, we performed microarray analyses comparing SATB1-overexpressed HSPCs with mock-transduced HSPCs...
December 21, 2017: Biochemical and Biophysical Research Communications
Qiang Wang, Shi-Cheng Hu, Chun-Sheng Yang, Jia-Cun Chen, Jun-Nian Zheng, Xiao-Qing Sun, Jun-Qi Wang
Despite previous advances, the treatment options for prostate cancer remain limited. For the purposes of gene knockdown, the utility of RNA interference has been demonstrated and is considered to have therapeutic potential. In the present study, a short hairpin RNA (shRNA) was used to assess the effect of special AT-rich sequence binding protein (SATB1) downregulation on the growth and metastatic potential of prostate cancer in xenograft nude mice. A plasmid carrying shRNA targeting SATB1, pSilencer-SATB1-shRNA, was successfully engineered...
December 2017: Oncology Letters
Yuriko Tanaka, Takehiko Sotome, Akiko Inoue, Takanori Mukozu, Taku Kuwabara, Tetuo Mikami, Terumi Kowhi-Shigematsu, Motonari Kondo
Sjögren's syndrome (SS) is an autoimmune disease in which exocrine tissues are affected by cellular and humoral immunity. As a result, the salivary and lacrimal glands of patients with SS are damaged, leading to xerostomia (dry mouth) and keratoconjunctivitis sicca (dry eyes). Because experimental approaches to investigate SS pathogenesis in human patients are limited, development of a mouse model is indispensable for understanding the disease. In this study, we show that special AT-rich sequence binding protein-1 conditional knockout (SATB1cKO) mice, in which the SATB1 gene is specifically deleted from hematopoietic cells, develop SS by 4 wk of age, soon after weaning...
December 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
Dharamainder Choudhary, Jessica M Clement, Shilpa Choudhary, Olga Voznesensky, Carol C Pilbeam, Benjamin L Woolbright, John A Taylor
PURPOSE: SATB1, a global genome organizer, has been shown to play a role in the development and progression of some solid tumors, but its role in bladder cancer is undetermined. Moreover, there is conflicting data about the role of SATB1 in other tumors. This study was initiated to assess a potential role for SATB1 with the hypothesis that SATB1 acts as a tumor promoter in bladder cancer. MATERIALS AND METHODS: We evaluated SATB1 expression in bladder cancer cell lines (HTB-5, HTB-9) and compared them to a benign urothelial cell line (UROtsa)...
October 24, 2017: Urologic Oncology
Ying-Chen Xu, Chao-Jie Liang, Dong-Xin Zhang, Guan-Qun Li, Xia Gao, Jian-Zhu Fu, Feng Xia, Jia-Jun Ji, Li-Jun Zhang, Guang-Ming Li, Ji-Xiang Wu
Hepatocellular carcinoma, one of the most common cancers, leads to mass mortality worldwide currently. However, the underlying mechanism of its oncogenesis remains to be elucidated. Here we identified that a long noncoding RNA, lncSHRG, was greatly upregulated in human hepatocellular carcinoma samples. We found that lncSHRG was essential for liver cancer cell proliferation and tumor propagation in mice. In mechanism, lncSHRG recruits SATB1 to bind to HES6 promoter and initiates HES6 expression. HES6, which is highly expressed in hepatocellular carcinoma, promotes tumor cell proliferation...
September 19, 2017: Oncotarget
Yohko Kitagawa, Naganari Ohkura, Yujiro Kidani, Alexis Vandenbon, Keiji Hirota, Ryoji Kawakami, Keiko Yasuda, Daisuke Motooka, Shota Nakamura, Motonari Kondo, Ichiro Taniuchi, Terumi Kohwi-Shigematsu, Shimon Sakaguchi
This corrects the article DOI: 10.1038/ni.3646.
October 18, 2017: Nature Immunology
Fatima Memic, Viktoria Knoflach, Khomgrit Morarach, Rebecca Sadler, Catia Laranjeira, Jens Hjerling-Leffler, Erik Sundström, Vassilis Pachnis, Ulrika Marklund
BACKGROUND AND AIMS: The enteric nervous system (ENS) regulates gastrointestinal function via different subtypes of neurons, organized into fine-tuned neural circuits. It is not clear how cell diversity is created within the embryonic ENS-information required for development of cell-based therapies and models of enteric neuropathies. We aimed to identify proteins that regulate ENS differentiation and network formation. METHODS: We generated and compared RNA expression profiles of the entire ENS, ENS progenitor cells, and non-ENS gut cells of mice, collected at embryonic days 11...
October 11, 2017: Gastroenterology
Lei Guo, Jianjiang Zheng, Tao Yu, Yuequan Liu, Lukun Duo
Special AT‑rich sequence‑binding protein 1 (SATB1) is a master chromatin organizer which has been reported to be implicated in tumor progression in breast and lung cancer. However, its functions in pancreatic tumorigenesis have yet to be elucidated. In the present study, the involvement of SATB1 in pancreatic cancer development was investigated in human BxPC‑3 pancreatic adenocarcinoma cells. Short hairpin (sh)RNA was used to stably downregulate SATB1 expression, and functional assays, including cell proliferation, colony formation, soft agar and migration assays, were performed in vitro...
December 2017: Molecular Medicine Reports
Xuebo Wang, Xiumei Yu, Qingli Wang, Yingying Lu, Haixia Chen
This study investigated the expression of special AT-rich sequence-binding protein 1 (SATB1) and toll-like receptor 4 (TLR4) protein in breast cancer and its clinical significance. We collected breast cancer tissues from 120 patients and adjacent non-cancerous tissue from 53 patients. SATB1 was expressed in 89 cases of breast cancer (74.17%) and in 7 cases of adjacent non-cancerous tissue (13.21%). TLR4 was expressed in 70 cases of breast cancer tissues (58.33%) and in 48 cases of adjacent non-cancerous tissue (90...
September 2017: Oncology Letters
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