keyword
MENU ▼
Read by QxMD icon Read
search

Cellular Reprogramming

keyword
https://www.readbyqxmd.com/read/28810836/suppression-of-agr2-in-a-tgf-%C3%AE-induced-smad-regulatory-pathway-mediates-epithelial-mesenchymal-transition
#1
Lucia Sommerova, Eva Ondrouskova, Borivoj Vojtesek, Roman Hrstka
BACKGROUND: During cancer progression, epithelial cancer cells can be reprogrammed into mesenchymal-like cells with increased migratory potential through the process of epithelial-mesenchymal transition (EMT), representing an essential step of tumor progression towards metastatic state. AGR2 protein was shown to regulate several cancer-associated processes including cellular proliferation, survival and drug resistance. METHODS: The expression of AGR2 was analyzed in cancer cell lines exposed to TGF-β alone or to combined treatment with TGF-β and the Erk1/2 inhibitor PD98059 or the TGF-β receptor specific inhibitor SB431542...
August 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28798698/%C3%AE-catenin-knockdown-affects-mitochondrial-biogenesis-and-lipid-metabolism-in-breast-cancer-cells
#2
Daniele Vergara, Eleonora Stanca, Flora Guerra, Paola Priore, Antonio Gaballo, Julien Franck, Pasquale Simeone, Marco Trerotola, Stefania De Domenico, Isabelle Fournier, Cecilia Bucci, Michel Salzet, Anna M Giudetti, Michele Maffia
β-catenin plays an important role as regulatory hub in several cellular processes including cell adhesion, metabolism, and epithelial mesenchymal transition. This is mainly achieved by its dual role as structural component of cadherin-based adherens junctions, and as a key nuclear effector of the Wnt pathway. For this dual role, different classes of proteins are differentially regulated via β-catenin dependent mechanisms. Here, we applied a liquid chromatography-mass spectrometry (LC-MS/MS) approach to identify proteins modulated after β-catenin knockdown in the breast cancer cell line MCF-7...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28798256/metabolic-characterization-and-rna-profiling-reveal-glycolytic-dependence-of-pro-fibrotic-phenotype-of-alveolar-macrophages-in-lung-fibrosis
#3
Na Xie, Huachun Cui, Jing Ge, Sami Banerjee, Sijia Guo, Shubham Dubey, Edward Abraham, Rui-Ming Liu, Gang Liu
Metabolic reprogramming has been intrinsically linked to macrophage activation. Alveolar macrophages are known to play an important role in the pathogenesis of pulmonary fibrosis. However, systematic characterization of expression profile in these cells is still lacking. Furthermore, main metabolic programs and their regulation of cellular phenotype are completely unknown. In this study, we comprehensively analyzed the expression profile and main metabolic programs in alveolar macrophages from mice with or without experimental pulmonary fibrosis...
August 10, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28798047/mtor-regulates-metabolic-adaptation-of-apcs-in-the-lung-and-controls-the-outcome-of-allergic-inflammation
#4
Charles Sinclair, Gayathri Bommakanti, Luiz Gardinassi, Jens Loebbermann, Matthew Joseph Johnson, Paul Hakimpour, Thomas Hagan, Lydia Benitez, Andrei Todor, Deepa Machiah, Timothy Oriss, Anuradha Ray, Steven Bosinger, Rajesh Ravindran, Shuzhao Li, Bali Pulendran
Antigen-presenting cells (APCs) occupy diverse anatomical tissues, but their tissue-restricted homeostasis remains poorly understood. Here, working in mouse models of inflammation, we found that mTOR-dependent metabolic adaptation was required at discrete locations. mTOR was dispensable for DC homeostasis in secondary lymphoid tissues but necessary to regulate cellular metabolism and accumulation of CD103(+) DCs and alveolar macrophages in lung. Moreover, while numbers of mTOR-deficient lung CD11b(+) DCs were not changed, they were metabolically reprogrammed to skew allergic inflammation from eosinophilic Th2 to neutrophilic Th17 polarity...
August 10, 2017: Science
https://www.readbyqxmd.com/read/28794128/dynamic-changes-in-h1-subtype-composition-during-epigenetic-reprogramming
#5
Annalisa Izzo, Céline Ziegler-Birling, Peter W S Hill, Lydia Brondani, Petra Hajkova, Maria-Elena Torres-Padilla, Robert Schneider
In mammals, histone H1 consists of a family of related proteins, including five replication-dependent (H1.1-H1.5) and two replication-independent (H1.10 and H1.0) subtypes, all expressed in somatic cells. To systematically study the expression and function of H1 subtypes, we generated knockin mouse lines in which endogenous H1 subtypes are tagged. We focused on key developmental periods when epigenetic reprogramming occurs: early mouse embryos and primordial germ cell development. We found that dynamic changes in H1 subtype expression and localization are tightly linked with chromatin remodeling and might be crucial for transitions in chromatin structure during reprogramming...
August 9, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28790359/nijmegen-breakage-syndrome-fibroblasts-and-ipscs-cellular-models-for-uncovering-disease-associated-signaling-pathways-and-establishing-a-screening-platform-for-anti-oxidants
#6
Barbara Mlody, Wasco Wruck, Soraia Martins, Karl Sperling, James Adjaye
Nijmegen Breakage Syndrome (NBS) is associated with cancer predisposition, premature aging, immune deficiency, microcephaly and is caused by mutations in the gene coding for NIBRIN (NBN) which is involved in DNA damage repair. Dermal-derived fibroblasts from NBS patients were reprogrammed into induced pluripotent stem cells (iPSCs) in order to bypass premature senescence. The influence of antioxidants on intracellular levels of ROS and DNA damage were screened and it was found that EDHB-an activator of the hypoxia pathway, decreased DNA damage in the presence of high oxidative stress...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28781076/epigenetic-reprogramming-of-lineage-committed-human-mammary-epithelial-cells-requires-dnmt3a-and-loss-of-dot1l
#7
Jerrica L Breindel, Adam Skibinski, Maja Sedic, Ania Wronski-Campos, Wenhui Zhou, Patricia J Keller, Joslyn Mills, James Bradner, Tamer Onder, Charlotte Kuperwasser
Organogenesis and tissue development occur through sequential stepwise processes leading to increased lineage restriction and loss of pluripotency. An exception to this appears in the adult human breast, where rare variant epithelial cells exhibit pluripotency and multilineage differentiation potential when removed from the signals of their native microenvironment. This phenomenon provides a unique opportunity to study mechanisms that lead to cellular reprogramming and lineage plasticity in real time. Here, we show that primary human mammary epithelial cells (HMECs) lose expression of differentiated mammary epithelial markers in a manner dependent on paracrine factors and epigenetic regulation...
July 25, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28776863/artificial-acceleration-of-mammalian-cell-reprogramming-by-bacterial-proteins
#8
Takashi Ikeda, Ikuo Uchiyama, Mio Iwasaki, Tetsuhiko Sasaki, Masato Nakagawa, Keisuke Okita, Shinji Masui
The molecular mechanisms of cell reprogramming and differentiation involve various signaling factors. Small molecule compounds have been identified to artificially influence these factors through interacting cellular proteins. Although such small molecule compounds are useful to enhance reprogramming and differentiation and to show the mechanisms that underlie these events, the screening usually requires a large number of compounds to identify only a very small number of hits (e.g., one hit among several tens of thousands of compounds)...
August 4, 2017: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
https://www.readbyqxmd.com/read/28774752/deciphering-metabolic-rewiring-in-breast-cancer-subtypes
#9
REVIEW
Martin P Ogrodzinski, Jamie J Bernard, Sophia Y Lunt
Metabolic reprogramming, an emerging hallmark of cancer, is observed in breast cancer. Breast cancer cells rewire their cellular metabolism to meet the demands of survival, proliferation, and invasion. However, breast cancer is a heterogeneous disease, and metabolic rewiring is not uniform. Each subtype of breast cancer displays distinct metabolic alterations. Here, we focus on unique metabolic reprogramming associated with subtypes of breast cancer, as well as common features. Therapeutic opportunities based on subtype-specific metabolic alterations are also discussed...
July 15, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28774740/cadmium-inhibits-placental-trophoblast-cell-migration-via-mirna-regulation-of-the-transforming-growth-factor-beta-tgf-%C3%AE-pathway
#10
Samira A Brooks, Rebecca C Fry
Preeclampsia (PE), a condition during pregnancy that involves high blood pressure and proteinuria, is potentially fatal to both mother and child. PE currently has no etiology or cure but has been tied to poor placental trophoblast migration. Increased levels of the toxic metal cadmium (Cd) have been associated with increased risk of developing PE, as well as miRNA-associated regulation of the transforming growth factorbeta (TGF-β) pathway. Signal reprogramming of the TGF-β pathway via epigenetic mechanisms is hypothesized to modify placental trophoblast function...
July 31, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28771465/ebv-epigenetically-suppresses-the-b-cell-to-plasma-cell-differentiation-pathway-while-establishing-long-term-latency
#11
Christine T Styles, Quentin Bazot, Gillian A Parker, Robert E White, Kostas Paschos, Martin J Allday
Mature human B cells infected by Epstein-Barr virus (EBV) become activated, grow, and proliferate. If the cells are infected ex vivo, they are transformed into continuously proliferating lymphoblastoid cell lines (LCLs) that carry EBV DNA as extra-chromosomal episomes, express 9 latency-associated EBV proteins, and phenotypically resemble antigen-activated B-blasts. In vivo similar B-blasts can differentiate to become memory B cells (MBC), in which EBV persistence is established. Three related latency-associated viral proteins EBNA3A, EBNA3B, and EBNA3C are transcription factors that regulate a multitude of cellular genes...
August 2017: PLoS Biology
https://www.readbyqxmd.com/read/28770317/mitochondrial-h-atp-synthase-in-human-skeletal-muscle-contribution-to-dyslipidaemia-and-insulin-resistance
#12
Laura Formentini, Alexander J Ryan, Manuel Gálvez-Santisteban, Leslie Carter, Pam Taub, John D Lapek, David J Gonzalez, Francisco Villarreal, Theodore P Ciaraldi, José M Cuezva, Robert R Henry
AIMS/HYPOTHESIS: Mitochondria are important regulators of the metabolic phenotype in type 2 diabetes. A key factor in mitochondrial physiology is the H(+)-ATP synthase. The expression and activity of its physiological inhibitor, ATPase inhibitory factor 1 (IF1), controls tissue homeostasis, metabolic reprogramming and signalling. We aimed to characterise the putative role of IF1 in mediating skeletal muscle metabolism in obesity and diabetes. METHODS: We examined the 'mitochondrial signature' of obesity and type 2 diabetes in a cohort of 100 metabolically characterised human skeletal muscle biopsy samples...
August 2, 2017: Diabetologia
https://www.readbyqxmd.com/read/28768909/addressing-metabolic-heterogeneity-in-clear-cell-renal-cell-carcinoma-with-quantitative-dixon-mri
#13
Yue Zhang, Durga Udayakumar, Ling Cai, Zeping Hu, Payal Kapur, Eun-Young Kho, Andrea Pavía-Jiménez, Michael Fulkerson, Alberto Diaz de Leon, Qing Yuan, Ivan E Dimitrov, Takeshi Yokoo, Jin Ye, Matthew A Mitsche, Hyeonwoo Kim, Jeffrey G McDonald, Yin Xi, Ananth J Madhuranthakam, Durgesh K Dwivedi, Robert E Lenkinski, Jeffrey A Cadeddu, Vitaly Margulis, James Brugarolas, Ralph J DeBerardinis, Ivan Pedrosa
BACKGROUND: Dysregulated lipid and glucose metabolism in clear cell renal cell carcinoma (ccRCC) has been implicated in disease progression, and whole tumor tissue-based assessment of these changes is challenged by the tumor heterogeneity. We studied a noninvasive quantitative MRI method that predicts metabolic alterations in the whole tumor. METHODS: We applied Dixon-based MRI for in vivo quantification of lipid accumulation (fat fraction [FF]) in targeted regions of interest of 45 primary ccRCCs and correlated these MRI measures to mass spectrometry-based lipidomics and metabolomics of anatomically colocalized tissue samples isolated from the same tumor after surgery...
August 3, 2017: JCI Insight
https://www.readbyqxmd.com/read/28763631/an-ultra-effective-method-of-generating-extramultipotent-cells-from-human-fibroblasts-by-ultrasound
#14
Yong Seung Lee, Hyejung Heo, Jonghwan Lee, Sung Ung Moon, Woon Yong Jung, Yong Keun Park, Min Geun Park, Seung-Hun Oh, Soonhag Kim
Multipotent cells have similar basic features of all stem cells but limitation in ability of self-renewal and differentiation compared with pluripotent cells. Here, we have developed an ultra effective, gene- and chemical-free method of generating extra multipotent (xpotent) cells which have differentiation potential more than limited cell types, by the mechanism of ultrasound-directed permeation of environmental transition-guided cellular reprogramming (Entr). Ultrasound stimulus generated a massive number of Entr-mediated xpotent (x/Entr) spheroids from human dermal fibroblasts (HDFs) 6 days after treatment...
July 25, 2017: Biomaterials
https://www.readbyqxmd.com/read/28761757/mechanisms-of-action-and-rationale-for-the-use-of-checkpoint-inhibitors-in-cancer
#15
REVIEW
Clemence Granier, Eleonore De Guillebon, Charlotte Blanc, Helene Roussel, Cecile Badoual, Elia Colin, Antonin Saldmann, Alain Gey, Stephane Oudard, Eric Tartour
The large family of costimulatory molecules plays a crucial role in regulation of the immune response. These molecules modulate TCR signalling via phosphorylation cascades. Some of the coinhibitory members of this family, such as PD-1 and CTLA-4, already constitute approved targets in cancer therapy and, since 2011, have opened a new area of antitumour immunotherapy. Many antibodies targeting other inhibitory receptors (Tim-3, VISTA, Lag-3 and so on) or activating costimulatory molecules (OX40, GITR and so on) are under evaluation...
2017: ESMO Open
https://www.readbyqxmd.com/read/28761088/shift-of-emt-gradient-in-3d-spheroid-mscs-for-activation-of-mesenchymal-niche-function
#16
Sohee Jeon, Ho-Sun Lee, Ga-Young Lee, Gyeongsin Park, Tae-Min Kim, Jihye Shin, Cheolju Lee, Il-Hoan Oh
Despite the wide use of mesenchymal stromal cells (MSCs) for paracrine support in clinical trials, their variable and heterogeneous supporting activity pose major challenges. While three-dimensional (3D) MSC cultures are emerging as alternative approaches, key changes in cellular characteristics during 3D-spheroid formation remain unclear. Here, we show that MSCs in 3D spheroids undergo further progression towards the epithelial-mesenchymal transition (EMT), driven by upregulation of EMT-promoting microRNAs and suppression of EMT-inhibitory miRNAs...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28760579/survival-of-ipsc-derived-grafts-within-the-striatum-of-immunodeficient-mice-importance-of-developmental-stage-of-both-transplant-and-host-recipient
#17
Colton M Tom, Shahab Younesi, Elana Meer, Catherine Bresee, Marlesa Godoy, Virginia B Mattis
Degeneration of the striatum can occur in multiple disorders with devastating consequences for the patients. Infantile infections with streptococcus, measles, or herpes can cause striatal necrosis associated with dystonia or dyskinesia; and in patients with Huntington's disease the striatum undergoes massive degeneration leading to behavioral, psychological and movement issues, ultimately resulting in death. Currently, only supportive therapies are available for striatal degeneration. Clinical trials have shown some efficacy using transplantation of fetal-derived primary striatal progenitors...
July 28, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28759843/trim28-epigenetic-corepressor-is-indispensable-for-stable-induced-pluripotent-stem-cell-formation
#18
Marta Klimczak, Patrycja Czerwińska, Sylwia Mazurek, Barbara Sozańska, Przemysław Biecek, Andrzej Mackiewicz, Maciej Wiznerowicz
Cellular reprogramming proceeds in a stepwise pathway initiated by binding and transcription of pluripotency factors followed by genome-wide epigenetic changes. Priming events, such as erasure of DNA methylation and chromatin remodeling determines the success of pluripotency acquisition later. Therefore, growing efforts are made to understand epigenetic regulatory network that makes reprogramming possible and efficient. Here, we analyze the role of transcriptional corepressor TRIM28, involved in heterochromatin formation, during the process of reprogramming of mouse somatic cells into induced pluripotent stem cells (iPS cells)...
July 15, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28758900/tnf-is-required-for-tlr-ligand-mediated-but-not-protease-mediated-allergic-airway-inflammation
#19
Gregory S Whitehead, Seddon Y Thomas, Karim H Shalaby, Keiko Nakano, Timothy P Moran, James M Ward, Gordon P Flake, Hideki Nakano, Donald N Cook
Asthma is associated with exposure to a wide variety of allergens and adjuvants. The extent to which overlap exists between the cellular and molecular mechanisms triggered by these various agents is poorly understood, but it might explain the differential responsiveness of patients to specific therapies. In particular, it is unclear why some, but not all, patients benefit from blockade of TNF. Here, we characterized signaling pathways triggered by distinct types of adjuvants during allergic sensitization. Mice sensitized to an innocuous protein using TLR ligands or house dust extracts as adjuvants developed mixed eosinophilic and neutrophilic airway inflammation and airway hyperresponsiveness (AHR) following allergen challenge, whereas mice sensitized using proteases as adjuvants developed predominantly eosinophilic inflammation and AHR...
July 31, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28758276/brief-report-human-acute-myeloid-leukemia-reprograming-to-pluripotency-is-a-rare-event-and-selects-for-patient-hematopoietic-cells-devoid-of-leukemic-mutations
#20
Jong-Hee Lee, Kyle R Salci, Jennifer C Reid, Luca Orlando, Borko Tanasijevic, Zoya Shapovalova, Mickie Bhatia
Induced pluripotent stem cell reprogramming has provided critical insights into disease processes by modeling the genetics and related clinical pathophysiology. Human cancer represents highly diverse genetics, as well as inter- and intra-patient heterogeneity, where cellular model systems capable of capturing this disease complexity would be invaluable. Acute myeloid leukemia (AML) represents one of most heterogeneous cancers and has been divided into genetic subtypes correlated with unique risk stratification over the decades...
July 31, 2017: Stem Cells
keyword
keyword
14726
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"