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https://www.readbyqxmd.com/read/27631873/sclerosing-epithelioid-fibrosarcoma
#1
James W Patterson, Georgi Tchernev, Anastasiya Atanasova Chokoeva, Mark R Wick
We report the case of a 55-year-old woman who developed a mass in the soft tissue of the anterior right proximal thigh. Microscopic findings in the biopsy specimen supported the diagnosis of sclerosing epithelioid fibrosarcoma (SEF). This entity is part of a spectrum of lesions that includes low-grade fibromyxoid sarcoma (LGFMS) and hyalinizing spindle cell tumor with giant rosettes (HSCTGR). It shares with LGFMS occasional overlapping histopathologic features and immunopositivity for MUC4. Although FUS and CREB3L2 gene rearrangements, characteristics of LGFMS, have been found in hybrid tumors (those with features of both SEF and LGFMS) and in examples of LGFMS with relapses showing SEF morphology, it appears that EWSR1 and CREB3L1 rearrangements predominate over FUS and CREB3L2 rearrangements among "pure" SEF tumors...
September 15, 2016: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27499293/inverting-the-topology-of-a-transmembrane-protein-by-regulating-the-translocation-of-the-first-transmembrane-helix
#2
Qiuyue Chen, Bray Denard, Ching-En Lee, Sungwon Han, James S Ye, Jin Ye
TM4SF20 (transmembrane 4 L6 family 20) is a polytopic membrane protein that inhibits proteolytic processing of CREB3L1 (cAMP response element-binding protein 3-like 1), a membrane-bound transcription factor that blocks cell division and activates collagen synthesis. Here we report that ceramide stimulates CREB3L1 cleavage by inverting the orientation of TM4SF20 in membranes. In the absence of ceramide, the N terminus of the first transmembrane helix of TM4SF20 is inserted into the endoplasmic reticulum (ER) lumen...
August 18, 2016: Molecular Cell
https://www.readbyqxmd.com/read/27362941/dna-hypermethylation-of-creb3l1-and-bcl-2-associated-with-the-mitochondrial-mediated-apoptosis-via-pi3k-akt-pathway-in-human-beas-2b-cells-exposure-to-silica-nanoparticles
#3
Yang Zou, Qiuling Li, Lizhen Jiang, Caixia Guo, Yanbo Li, Yang Yu, Yang Li, Junchao Duan, Zhiwei Sun
The toxic effects of silica nanoparticles (SiNPs) are raising concerns due to its widely applications in biomedicine. However, current information about the epigenetic toxicity of SiNPs is insufficient. In this study, the epigenetic regulation of low-dose exposure to SiNPs was evaluated in human bronchial epithelial BEAS-2B cells over 30 passages. Cell viability was decreased in a dose- and passage-dependent manner. The apoptotic rate, the expression of caspase-9 and caspase-3, were significantly increased induced by SiNPs...
2016: PloS One
https://www.readbyqxmd.com/read/27187064/corpus-luteum-as-a-novel-target-of-weight-changes-that-contribute-to-impaired-female-reproductive-physiology-and-function
#4
Satu Kuokkanen, Alex J Polotsky, Justin Chosich, Andrew P Bradford, Anna Jasinska, Tzu Phang, Nanette Santoro, Susan E Appt
UNLABELLED: Obesity and malnutrition are associated with decreased fecundity in women. Impaired reproductive capacity in obese women is often attributed to anovulation. However, obese women with ovulatory cycles also have reduced fertility, but the etiology of their impaired reproduction is only partially understood. Accumulating evidence suggests that obesity directly impairs oocyte and embryo quality as well as endometrial receptivity. In obese women, urinary progesterone metabolite excretion is decreased, but in excess of what can be explained by suppressed gonadotropin secretion, suggesting that apart from its central effect obesity may directly affect progesterone (P4) production...
August 2016: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/27121396/up-regulation-of-fgfbp1-signaling-contributes-to-mir-146a-induced-angiogenesis-in-human-umbilical-vein-endothelial-cells
#5
Hua-Yu Zhu, Wen-Dong Bai, Jia-Qi Liu, Zhao Zheng, Hao Guan, Qin Zhou, Lin-Lin Su, Song-Tao Xie, Yun-Chuan Wang, Jun Li, Na Li, Yi-Jie Zhang, Hong-Tao Wang, Da-Hai Hu
Recent microRNA expression profiling studies have documented an up-regulation of miR-146a in several angiogenesis models. However, the underlying molecular mechanism of miR-146a in the angiogenic activity of endothelial cells has not been clearly elucidated. The present study was aimed to evaluate whether miR-146a promotes angiogenesis in HUVECs by increasing FGFBP1 expression via directly targeting CREB3L1. miR-146a was over expressed in HUVECs via lentiviral-miR-146a. Expression profiling analysis found miR-146a over expression resulted in up-regulation of angiogenesis and cytokine activity associated genes including FGF2...
2016: Scientific Reports
https://www.readbyqxmd.com/read/26917262/camp-response-element-binding-3-like-protein-1-creb3l1-is-required-for-decidualization-and-its-expression-is-decreased-in-women-with-endometriosis
#6
J I Ahn, J-Y Yoo, T H Kim, Y I Kim, S D Ferguson, A T Fazleabas, S L Young, B A Lessey, J Y Ahn, J M Lim, J-W Jeong
Endometriosis is a major cause of infertility and pelvic pain, affecting more than 10% of reproductive-aged women. Progesterone resistance has been observed in the endometrium of women with this disease, as evidenced by alterations in progesterone-responsive gene and protein expression. cAMPResponse Element-Binding 3-like protein 1 (Creb3l1) has previously been identified as a progesterone receptor (PR) target gene in mouse uterus via high density DNA microarray analysis. However, CREB3L1 function has not been studied in the context of endometriosis and uterine biology...
2016: Current Molecular Medicine
https://www.readbyqxmd.com/read/26810754/epigenetic-silencing-of-creb3l1-by-dna-methylation-is-associated-with-high-grade-metastatic-breast-cancers-with-poor-prognosis-and-is-prevalent-in-triple-negative-breast-cancers
#7
Alison K Ward, Paul Mellor, Shari E Smith, Stephanie Kendall, Natasha A Just, Frederick S Vizeacoumar, Sabuj Sarker, Zoe Phillips, Riaz Alvi, Anurag Saxena, Franco J Vizeacoumar, Svein A Carlsen, Deborah H Anderson
BACKGROUND: CREB3L1 (cAMP-responsive element-binding protein 3-like protein 1), a member of the unfolded protein response, has recently been identified as a metastasis suppressor in both breast and bladder cancer. METHODS: Quantitative real time PCR (qPCR) and immunoblotting were used to determine the impact of histone deacetylation and DNA methylation inhibitors on CREB3L1 expression in breast cancer cell lines. Breast cancer cell lines and tumor samples were analyzed similarly, and CREB3L1 gene methylation was determined using sodium bisulfite conversion and DNA sequencing...
2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/26558437/oasis-modulates-hypoxia-pathway-activity-to-regulate-bone-angiogenesis
#8
Min Cui, Soshi Kanemoto, Xiang Cui, Masayuki Kaneko, Rie Asada, Koji Matsuhisa, Keiji Tanimoto, Yuki Yoshimoto, Chisa Shukunami, Kazunori Imaizumi
OASIS/CREB3L1, an endoplasmic reticulum (ER)-resident transcription factor, plays important roles in osteoblast differentiation. In this study, we identified new crosstalk between OASIS and the hypoxia signaling pathway, which regulates vascularization during bone development. RT-PCR and real-time PCR analyses revealed significant decreases in the expression levels of hypoxia-inducible factor-1α (HIF-1α) target genes such as vascular endothelial growth factor A (VEGFA) in OASIS-deficient (Oasis(-/-)) mouse embryonic fibroblasts...
November 12, 2015: Scientific Reports
https://www.readbyqxmd.com/read/26503226/transcription-factor-creb3l1-mediates-camp-and-glucocorticoid-regulation-of-arginine-vasopressin-gene-transcription-in-the-rat-hypothalamus
#9
Mingkwan Greenwood, Michael P Greenwood, Andre S Mecawi, Su Yi Loh, José Antunes Rodrigues, Julian F R Paton, David Murphy
BACKGROUND: Arginine vasopressin (AVP), a neuropeptide hormone that functions in the regulation of water homeostasis by controlling water re-absorption at kidneys, is synthesised in supraoptic nucleus and paraventricular nucleus of the hypothalamus. An increase in plasma osmolality stimulates secretion of AVP to blood circulation and induces AVP synthesis in these nuclei. Although studies on mechanism of AVP transcriptional regulation in hypothalamus proposed that cAMP and glucocorticoids positively and negatively regulate Avp expression, respectively, the molecular mechanisms have remained elusive...
October 26, 2015: Molecular Brain
https://www.readbyqxmd.com/read/26449317/primary-sclerosing-epithelioid-fibrosarcoma-of-kidney-with-variant-histomorphologic-features-report-of-2-cases-and-review-of-the-literature
#10
Dilek Ertoy Baydar, Kemal Kosemehmetoglu, Oguz Aydin, Julia A Bridge, Berrin Buyukeren, Fazil Tuncay Aki
The authors present two cases of primary sclerosing epithelioid fibrosarcoma (SEF) of the kidney. Both patients had a mass in the upper part of the left kidney without any primary extrarenal neoplastic lesions. Grossly, the tumors were solid masses both measuring 7.5 cm in the greatest diameter. Histologically, one of the lesions exhibited a predominantly lobular growth of round or oval small uniform epithelioid cells in variable cellularity. Circular zones of crowded tumor cells alternating with hypocellular collagenous tissue in a concentric fashion around entrapped native renal tubules were distinctive...
2015: Diagnostic Pathology
https://www.readbyqxmd.com/read/26110425/identification-of-creb3l1-as-a-biomarker-predicting-doxorubicin-treatment-outcome
#11
Bray Denard, Andrea Pavia-Jimenez, Weina Chen, Noelle S Williams, Harris Naina, Robert Collins, James Brugarolas, Jin Ye
BACKGROUND: Doxorubicin has been shown to inhibit proliferation of cancer cells through proteolytic activation of CREB3L1 (cAMP response element binding protein 3-like 1), a transcription factor synthesized as a membrane-bound precursor. Upon doxorubicin treatment, CREB3L1 is cleaved so that the N-terminal domain of the protein can reach the nucleus where it activates transcription of genes that inhibit cell proliferation. These results suggest that the level of CREB3L1 in cancer cells may determine their sensitivity to doxorubicin...
2015: PloS One
https://www.readbyqxmd.com/read/25990776/sclerosing-epithelioid-fibrosarcoma-of-the-kidney-clinicopathologic-and-molecular-study-of-a-rare-neoplasm-at-a-novel-location
#12
Carsten-Henning Ohlmann, Ines B Brecht, Kerstin Junker, Jill A van der Zee, Adriana Nistor, Rainer M Bohle, Michael Stöckle, Markus Metzler, Arndt Hartmann, Abbas Agaimy
Sclerosing epithelioid fibrosarcoma (SEF) is a rare fibrosarcoma variant with specific histomorphology and consistent translocation (EWSR1-CREB3L1/2). To date, 110 cases have been reported; only 15 originated within the abdomen. With only 2 cases reported parallel to our study and one case briefly mentioned in a previous series, primary renal SEF is exceptionally rare but might be underrecognized. We herein describe 2 cases affecting a 23-year-old woman and a 43-year-old man. Tumor size was 22 and 4.2 cm, respectively...
August 2015: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/25915053/transcription-factor-creb3l1-regulates-endoplasmic-reticulum-stress-response-genes-in-the-osmotically-challenged-rat-hypothalamus
#13
Mingkwan Greenwood, Michael Paul Greenwood, Julian F R Paton, David Murphy
Arginine vasopressin (AVP) is synthesised in magnocellular neurons (MCNs) of supraoptic nucleus (SON) and paraventricular nucleus (PVN) of the hypothalamus. In response to the hyperosmotic stressors of dehydration (complete fluid deprivation, DH) or salt loading (drinking 2% salt solution, SL), AVP synthesis increases in MCNs, which over-burdens the protein folding machinery in the endoplasmic reticulum (ER). ER stress and the unfolded protein response (UPR) are signaling pathways that improve ER function in response to the accumulation of misfold/unfold protein...
2015: PloS One
https://www.readbyqxmd.com/read/25625847/oasis-creb3l1-is-epigenetically-silenced-in-human-bladder-cancer-facilitating-tumor-cell-spreading-and-migration-in-vitro
#14
Michael Rose, Claudia Schubert, Laura Dierichs, Nadine T Gaisa, Matthias Heer, Axel Heidenreich, Ruth Knüchel, Edgar Dahl
CREB3L1 has been recently proposed as a novel metastasis suppressor gene in breast cancer. Our current study highlights CREB3L1 expression, regulation, and function in bladder cancer. We demonstrate a significant downregulation of CREB3L1 mRNA expression (n = 64) in primary bladder cancer tissues caused by tumor-specific CREB3L1 promoter hypermethylation (n = 51). Based on pyrosequencing CREB3L1 methylation was shown to be potentially associated with a more aggressive phenotype of bladder cancer. These findings were verified by an independent public data set containing data from 184 bladder tumors...
December 2014: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/25359725/ezh2-mediated-repression-of-a-transcriptional-pathway-upstream-of-mmp9-maintains-integrity-of-the-developing-vasculature
#15
Paul Delgado-Olguín, Lan T Dang, Daniel He, Sean Thomas, Lijun Chi, Tatyana Sukonnik, Nadiya Khyzha, Marc-Werner Dobenecker, Jason E Fish, Benoit G Bruneau
Maintenance of vascular integrity is required for embryogenesis and organ homeostasis. However, the gene expression programs that stabilize blood vessels are poorly understood. Here, we show that the histone methyltransferase Ezh2 maintains integrity of the developing vasculature by repressing a transcriptional program that activates expression of Mmp9. Inactivation of Ezh2 in developing mouse endothelium caused embryonic lethality with compromised vascular integrity and increased extracellular matrix degradation...
December 2014: Development
https://www.readbyqxmd.com/read/25353281/primary-renal-sclerosing-epithelioid-fibrosarcoma-report-of-2-cases-with-ewsr1-creb3l1-gene-fusion
#16
Pedram Argani, Jack R Lewin, Pamela Edmonds, George J Netto, Carlos Prieto-Granada, Lei Zhang, Achim A Jungbluth, Cristina R Antonescu
We report the first 2 genetically confirmed cases of primary renal sclerosing epithelioid fibrosarcoma (SEF), occurring in a 17-year-old boy and a 61-year-old woman. In both cases, the tumors demonstrated the typical epithelioid clear cell morphology associated with extensive hyalinizing fibrosis, raising the differential diagnosis of solitary fibrous tumor, metanephric stromal tumor, and the sclerosing variant of clear cell sarcoma of the kidney. Both neoplasms demonstrated diffuse immunoreactivity for MUC4, a highly specific marker for SEF, and both demonstrated evidence of rearrangement of both the EWSR1 and CREB3L1 genes, which have recently been shown to be fused in this entity...
March 2015: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/25310401/sustained-induction-of-collagen-synthesis-by-tgf-%C3%AE-requires-regulated-intramembrane-proteolysis-of-creb3l1
#17
Qiuyue Chen, Ching-En Lee, Bray Denard, Jin Ye
CREB3L1 (cAMP response element binding protein 3-like 1), a transcription factor synthesized as a membrane-bound precursor and activated through Regulated Intramembrane Proteolysis (RIP), is essential for collagen production by osteoblasts during bone development. Here, we show that TGF-β (transforming growth factor-β), a cytokine known to stimulate production of collagen during wound healing and fibrotic diseases, induces proteolytic activation of CREB3L1 in human A549 cells. This activation results from inhibition of expression of TM4SF20 (transmembrane 4 L6 family member 20), which normally inhibits RIP of CREB3L1...
2014: PloS One
https://www.readbyqxmd.com/read/25231134/a-genetic-dichotomy-between-pure-sclerosing-epithelioid-fibrosarcoma-sef-and-hybrid-sef-low-grade-fibromyxoid-sarcoma-a-pathologic-and-molecular-study-of-18-cases
#18
Carlos Prieto-Granada, Lei Zhang, Hsiao-Wei Chen, Yun-Shao Sung, Narasimhan P Agaram, Achim A Jungbluth, Cristina R Antonescu
Sclerosing epithelioid fibrosarcoma (SEF) is a rare soft tissue tumor exhibiting considerable morphologic overlap with low-grade fibromyxoid sarcoma (LGFMS). Moreover, both SEF and LGFMS show MUC4 expression by immunohistochemistry. While the majority of LGFMS cases are characterized by a FUS-CREB3L1 fusion, both FUS-CREB3L2 and EWSR1-CREB3L1 fusions were recently demonstrated in a small number of LGFMS and SEF/LGFMS hybrid tumors. In contrast, recent studies pointed out that SEF harbor frequent EWSR1 rearrangements, with only a minority of cases showing FUS-CREB3L2 fusions...
January 2015: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/25148369/profiling-of-embryonic-stem-cell-differentiation
#19
REVIEW
Nobuaki Shiraki, Soichiro Ogaki, Shoen Kume
Embryonic stem (ES) cells have been shown to recapitulate normal developmental stages. They are therefore a highly useful tool in the study of developmental biology. Profiling of ES cell-derived cells has yielded important information about the characteristics of differentiated cells, and allowed the identification of novel marker genes and pathways of differentiation. In this review, we focus on recent results from profiling studies of mouse embryos, human islets, and human ES cell-derived differentiated cells from several research groups...
2014: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/25123073/sclerosing-epithelioid-fibrosarcoma-presenting-as-intraabdominal-sarcomatosis-with-a-novel-ewsr1-creb3l1-gene-fusion
#20
David L Stockman, Siraj M Ali, Jie He, Jeffrey S Ross, Jeanne M Meis
We report a case of intraabdominal sclerosing epithelioid fibrosarcoma (SEF) with a t (11;22)(p11.2;q12.2) Ewing sarcoma breakpoint region 1-cAMP-responsive element-binding protein 3-like 1 translocation. A 43-year old man presented with massive ascites and shortness of breath. Imaging studies revealed a large mesenteric-based mass with extensive omental/peritoneal disease. After resection and cytoreductive surgery, the tumor recurred with metastasis to the lungs; the patient is still alive with disease. Histologically, there was a uniform population of epithelioid cells arranged in cords and nests, embedded in a dense collagenous matrix; no areas of low-grade fibromyxoid sarcoma were identified...
October 2014: Human Pathology
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