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https://www.readbyqxmd.com/read/28609280/the-history-behind-successful-uterine-transplantation-in-humans
#1
Luis Arturo Ruvalcaba Castellón, Martha Isolina García Amador, Roberto Enrique Díaz González, Montoya Sarmiento Jorge Eduardo, César Díaz-García, Niclas Kvarnström, Mats Bränström
This paper aimed to describe the basic aspects of uterine transplant (UTx) research in humans, including preliminary experiences in rodents and domestic species. Studies in rats, domestic species, and non-human primates validated and optimized the UTx procedure in terms of its surgical aspects, immunosuppression, rejection diagnosis, peculiarities of pregnancy in immunosuppressed patients, and patients with special uterine conditions. In animal species, the first live birth from UTx was achieved in a syngeneic mouse model in 2003...
June 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28534508/utx-promotes-hormonally-responsive-breast-carcinogenesis-through-feed-forward-transcription-regulation-with-estrogen-receptor
#2
G Xie, X Liu, Y Zhang, W Li, S Liu, Z Chen, B Xu, J Yang, L He, Z Zhang, T Jin, X Yi, L Sun, Y Shang, J Liang
UTX is implicated in embryonic development and lineage specification. However, how this X-linked histone demethylase contributes to the occurrence and progression of breast cancer remains to be clarified. Here we report that UTX is physically associated with estrogen receptor (ER) and functions in ER-regulated transcription. We showed that UTX coordinates with JHDM1D and CBP to direct H3K27 methylation-acetylation transition and to create a permissive chromatin state on ER targets. Genome-wide analysis of the transcriptional targets of UTX by ChIP-seq identified a set of genes such as chemokine receptor CXCR4 that are intimately involved in breast cancer tumorigenesis and metastasis...
May 22, 2017: Oncogene
https://www.readbyqxmd.com/read/28529687/histone-demethylases-utx-and-jmjd3-are-required-for-nkt-cell-development-in-mice
#3
Daniel Northrup, Ryoji Yagi, Kairong Cui, William R Proctor, Chaochen Wang, Katarzyna Placek, Lance R Pohl, Rongfu Wang, Kai Ge, Jinfang Zhu, Keji Zhao
BACKGROUND: Natural killer (NK)T cells and conventional T cells share phenotypic characteristic however they differ in transcription factor requirements and functional properties. The role of histone modifying enzymes in conventional T cell development has been extensively studied, little is known about the function of enzymes regulating histone methylation in NKT cells. RESULTS: We show that conditional deletion of histone demethylases UTX and JMJD3 by CD4-Cre leads to near complete loss of liver NKT cells, while conventional T cells are less affected...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28513825/loss-of-tet1-facilitates-dld1-colon-cancer-cell-migration-via-h3k27me3-mediated-down-regulation-of-e-cadherin
#4
Zhen Zhou, Hong-Sheng Zhang, Yang Liu, Zhong-Guo Zhang, Guang-Yuan Du, Hu Li, Xiao-Ying Yu, Ying-Hui Huang
Epigenetic modifications such as histone modifications and cytosine hydroxymethylation are linked to tumorigenesis. Loss of 5-hydroxymethylcytosine (5hmC) by ten-eleven translocation 1 (TET1) down-regulation facilitates tumor initiation and development. However, the mechanisms by which loss of TET1 knockdown promotes malignancy development remains unclear. Here, we report that TET1 knockdown induced epithelial-mesenchymal transition (EMT) and increased cancer cell growth, migration and invasion in DLD1 cells...
May 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28483946/p53-maintains-baseline-expression-of-multiple-tumor-suppressor-genes
#5
Kyrie Pappas, Jia Xu, Sakellarios Zairis, Lois Resnick-Silverman, Francesco Abate, Nicole Steinbach, Sait Ozturk, Lao H Saal, Tao Su, Pamela Cheung, Hank Schmidt, Stuart A Aaronson, Hanina Hibshoosh, James J Manfredi, Raul Rabadan, Ramon Parsons
TP53 is the most commonly mutated tumor suppressor gene and its mutation drives tumorigenesis. Using ChIP-seq for p53 in the absence of acute cell stress, we found that wild-type but not mutant p53 binds and activates numerous tumor suppressor genes including PTEN, STK11(LKB1), miR-34a, KDM6A(UTX), FOXO1, PHLDA3, and TNFRSF10B through consensus binding sites in enhancers and promoters. Depletion of p53 reduced expression of these target genes, and analysis across 18 tumor types showed that mutation of TP53 associated with reduced expression of many of these genes...
May 8, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28461566/correction-utx-and-mll4-coordinately-regulate-transcriptional-programs-for-cell-proliferation-and-invasiveness-in-breast-cancer-cells
#6
(no author information available yet)
No abstract text is available yet for this article.
May 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/28457377/ethical-issues-in-uterine-transplantation-psychological-implications-and-informed-consent
#7
C Petrini, S Gainotti, A Morresi, A Nanni Costa
Since 2000, 13 uterine transplantations (UTxs) have been performed in women with absolute uterine infertility factor (AUIF), from both living and deceased donors, in different transplantation centers worldwide. At present the birth of 4 children following UTx is documented by the literature, and a woman was having a second pregnancy in October 2015. Following these successes it is likely that the procedure will become part of normal healthcare practice, even though at the moment it is still experimental and, as such, requires careful attention...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28423010/correction-the-h3k27-demethylase-utx-regulates-adipogenesis-in-a-differentiation-stage-dependent-manner
#8
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0173713.].
2017: PloS One
https://www.readbyqxmd.com/read/28402853/structure-of-nascent-chromatin-is-essential-for-hematopoietic-lineage-specification
#9
Svetlana Petruk, Samanta A Mariani, Marco De Dominici, Patrizia Porazzi, Valentina Minieri, Jingli Cai, Lorraine Iacovitti, Neal Flomenberg, Bruno Calabretta, Alexander Mazo
The role of chromatin structure in lineage commitment of multipotent hematopoietic progenitors (HPCs) is presently unclear. We show here that CD34(+) HPCs possess a post-replicative chromatin globally devoid of the repressive histone mark H3K27me3. This H3K27-unmodified chromatin is required for recruitment of lineage-determining transcription factors (TFs) C/EBPα, PU.1, and GATA-1 to DNA just after DNA replication upon cytokine-induced myeloid or erythroid commitment. Blocking DNA replication or increasing H3K27me3 levels prevents recruitment of these TFs to DNA and suppresses cytokine-induced erythroid or myeloid differentiation...
April 11, 2017: Cell Reports
https://www.readbyqxmd.com/read/28319137/the-h3k27-demethylase-utx-regulates-adipogenesis-in-a-differentiation-stage-dependent-manner
#10
Kazushige Ota, Kit I Tong, Kouichiro Goto, Shuta Tomida, Akiyoshi Komuro, Zhong Wang, Kazuto Nishio, Hitoshi Okada
Understanding the molecular mechanisms that drive adipogenesis is important in developing new treatments for obesity and diabetes. Epigenetic regulations determine the capacity of adipogenesis. In this study, we examined the role of a histone H3 lysine 27 demethylase, the ubiquitously transcribed tetratricopeptide repeat protein on the X chromosome (Utx), in the differentiation of mouse embryonic stem cells (mESCs) to adipocytes. Using gene trapping, we examined Utx-deficient male mESCs to determine whether loss of Utx would enhance or inhibit the differentiation of mESCs to adipocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28188179/new-insights-into-the-role-of-jmjd3-and-utx-in-axial-skeletal-formation-in-mice
#11
Chie Naruse, Shinwa Shibata, Masaru Tamura, Takayuki Kawaguchi, Kanae Abe, Kazushi Sugihara, Tomoaki Kato, Takumi Nishiuchi, Shigeharu Wakana, Masahito Ikawa, Masahide Asano
Jmjd3 and Utx are demethylases specific for lysine 27 of histone H3. Previous reports indicate that Jmjd3 is essential for differentiation of various cell types, such as macrophages and epidermal cells in mice, whereas Utx is involved in cancer and developmental diseases in humans and mice, as well as Hox regulation in zebrafish and nematodes. Here, we report that Jmjd3, but not Utx, is involved in axial skeletal formation in mice. A Jmjd3 mutant embryo (Jmjd3(Δ18/Δ18)), but not a catalytically inactive Utx truncation mutant (Utx(-/y)), showed anterior homeotic transformation...
June 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28150810/differential-lactate-and-cholesterol-synthetic-activities-in-xy-and-xx-sertoli-cells
#12
Yurina Shishido, Takashi Baba, Tetsuya Sato, Yuichi Shima, Kanako Miyabayashi, Miki Inoue, Haruhiko Akiyama, Hiroshi Kimura, Yoshiakira Kanai, Yasuhiro Ishihara, Shogo Haraguchi, Akira Miyazaki, Damjana Rozman, Takeshi Yamazaki, Man-Ho Choi, Yasuyuki Ohkawa, Mikita Suyama, Ken-Ichirou Morohashi
SRY, a sex-determining gene, induces testis development in chromosomally female (XX) individuals. However, mouse XX Sertoli cells carrying Sry (XX/Sry Sertoli cells) are incapable of fully supporting germ cell development, even when the karyotype of the germ cells is XY. While it has therefore been assumed that XX/Sry Sertoli cells are not functionally equivalent to XY Sertoli cells, it has remained unclear which specific functions are affected. To elucidate the functional difference, we compared the gene expression of XY and XX/Sry Sertoli cells...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28130569/histone-demethylase-utx-counteracts-glucocorticoid-deregulation-of-osteogenesis-by-modulating-histone-dependent-and-independent-pathways
#13
Feng-Sheng Wang, Wei-Shiung Lian, Mel S Lee, Wen-Tsan Weng, Ying-Hsien Huang, Yu-Shan Chen, Yi-Chih Sun, Shing-Long Wu, Pei-Chin Chuang, Jih-Yang Ko
Excess glucocorticoid administration impairs osteogenic activities, which raises the risk of osteoporotic disorders. Epigenetic methylation of DNA and histone regulates the lineage commitment of progenitor cells. This study was undertaken to delineate the actions of histone lysine demethylase 6a (UTX) with regard to the glucocorticoid impediment of osteogenic differentiation. Osteogenic progenitor cells responded to supraphysiological glucocorticoid by elevating CpG dinucleotide methylation proximal to transcription start sites within Runx2 and osterix promoters and Wnt inhibitor Dickkopf-1 (Dkk1) expression concomitant with low UTX expression...
January 27, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28102220/inkt-cells-need-utx-tra-demethylation
#14
S Harsha Krovi, Laurent Gapin
No abstract text is available yet for this article.
January 19, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28027012/dynamic-chromatin-regulation-at-notch-target-genes
#15
Benedetto Daniele Giaimo, Franz Oswald, Tilman Borggrefe
RBPJ is the central transcription factor that controls the Notch-dependent transcriptional response by coordinating repressing histone H3K27 deacetylation and activating histone H3K4 methylation. Here, we discuss the molecular mechanisms how RBPJ interacts with opposing NCoR/HDAC-corepressing or KMT2D/UTX-coactivating complexes and how this is controlled by phosphorylation of chromatin modifiers.
January 2017: Transcription
https://www.readbyqxmd.com/read/27992400/the-histone-demethylase-utx-regulates-the-lineage-specific-epigenetic-program-of-invariant-natural-killer-t-cells
#16
Semir Beyaz, Ji Hyung Kim, Luca Pinello, Michael E Xifaras, Yu Hu, Jialiang Huang, Marc A Kerenyi, Partha P Das, R Anthony Barnitz, Aurelie Herault, Rizkullah Dogum, W Nicholas Haining, Ömer H Yilmaz, Emmanuelle Passegue, Guo-Cheng Yuan, Stuart H Orkin, Florian Winau
Invariant natural killer T cells (iNKT cells) are innate-like lymphocytes that protect against infection, autoimmune disease and cancer. However, little is known about the epigenetic regulation of iNKT cell development. Here we found that the H3K27me3 histone demethylase UTX was an essential cell-intrinsic factor that controlled an iNKT-cell lineage-specific gene-expression program and epigenetic landscape in a demethylase-activity-dependent manner. UTX-deficient iNKT cells exhibited impaired expression of iNKT cell signature genes due to a decrease in activation-associated H3K4me3 marks and an increase in repressive H3K27me3 marks within the promoters occupied by UTX...
February 2017: Nature Immunology
https://www.readbyqxmd.com/read/27983522/different-expression-patterns-of-histone-h3k27-demethylases-in-renal-cell-carcinoma-and-bladder-cancer
#17
Zehui Hong, Hui Li, Lili Li, Weilong Wang, Ting Xu
OBJECTIVE: UTX and JMJD3 are recently identified histone H3 lysine 27 (H3K27) demethylases. Many studies have shown aberrant H3K27 trimethylation (H3K27me3) levels widely exist in multiple cancers, and that altered H3K27me3 levels are correlated with tumorigenesis and tumor progression. To investigate expression patterns of UTX and JMJD3 genes in renal cell carcinoma (RCC) and bladder cancer and the relationship between gene expression and tumor development. MATERIAL AND METHODS: Samples were collected from 35 patients with RCC and 21 patients with bladder cancer and qRT-PCR was performed...
2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27789700/reciprocal-regulation-of-chromatin-state-and-architecture-by-hotairm1-contributes-to-temporal-collinear-hoxa-gene-activation
#18
Xue Q D Wang, Josée Dostie
Thousands of long non-coding RNAs (lncRNAs) have been identified in mammals, many of which represent important regulators of gene expression. However, the mechanisms used by lncRNAs to control transcription remain largely uncharacterized. Here, we report on HOTAIRM1, a promising lncRNA biomarker in leukemia and solid tumors. We find that HOTAIRM1 contributes to three-dimensional chromatin organization changes required for the temporal collinear activation of HOXA genes. We show that distinct HOTAIRM1 variants preferentially associate with either UTX/MLL or PRC2 complexes to modulate the levels of activating and silencing marks at the bivalent domain...
October 26, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27786258/surgical-technique-for-allogeneic-uterus-transplantation-in-macaques
#19
Hideaki Obara, Iori Kisu, Yojiro Kato, Yohei Yamada, Kentaro Matsubara, Katsura Emoto, Masataka Adachi, Yusuke Matoba, Kiyoko Umene, Yuya Nogami, Kouji Banno, Hideaki Tsuchiya, Iori Itagaki, Ikuo Kawamoto, Takahiro Nakagawa, Hirohito Ishigaki, Yasushi Itoh, Kazumasa Ogasawara, Yoko Saiki, Shin-Ichi Sato, Kenshi Nakagawa, Takashi Shiina, Daisuke Aoki, Yuko Kitagawa
No study has reported an animal model of uterus transplantation (UTx) using cynomolgus macaques. We aimed to establish a surgical technique of allogeneic UTx assuming the recovery of a uterus from a deceased donor in cynomolgus macaques. Four allogeneic UTxs were performed in female cynomolgus macaques. Donor surgeries comprised en bloc recovery of organs with iliac vessels on both sides, and/or abdominal aorta/vena cava after sufficient perfusion from one femoral artery or external iliac artery. Before perfusion, 150 mL of whole blood was obtained from the donor for subsequent blood transfusion to the recipient...
October 27, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27722168/role-of-histone-demethylases-in-cardiomyocytes-induced-to-hypertrophy
#20
Wendy Rosales, Juan Carulla, Jeison García, Diana Vargas, Fernando Lizcano
Epigenetic changes induced by histone demethylases play an important role in differentiation and pathological changes in cardiac cells. However, the role of the jumonji family of demethylases in the development of cardiac hypertrophy remains elusive. In this study, the presence of different histone demethylases in cardiac cells was evaluated after hypertrophy was induced with neurohormones. A cell line from rat cardiomyocytes was used as a biological model. The phenotypic profiles of the cells, as well as the expression of histone demethylases, were studied through immunofluorescence, transient transfection, western blot, and qRT-PCR analysis after inducing hypertrophy by angiotensin II and endothelin-1...
2016: BioMed Research International
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