keyword
https://read.qxmd.com/read/33066067/identification-of-prognosis-associated-micrornas-in-hnscc-subtypes-based-on-tcga-dataset
#1
Cintia M Chamorro Petronacci, Abel García García, Elena Padín Iruegas, Berta Rivas Mundiña, Alejandro I Lorenzo Pouso, Mario Pérez Sayáns
Background and Objectives: Head and Neck Squamous Cell Carcinoma (HNSCC) includes cancers from the oral cavity, larynx, and oropharynx and is the sixth-most common cancer worldwide. MicroRNAs are small non-coding RNAs for which altered expression has been demonstrated in pathological processes, such as cancer. The objective of our study was to evaluate the different expression profile in HNSCC subtypes and the prognostic value that one or several miRNAs may have. Materials and Methods : Data from The Cancer Genome Atlas Program-Head and Neck Squamous Cell Carcinoma (TCGA-HNSCC) patients were collected...
October 13, 2020: Medicina
https://read.qxmd.com/read/33065484/regulatory-role-of-micrornas-in-cancer-through-hippo-signaling-pathway
#2
REVIEW
Reza Vaezi Astamal, Asma Maghoul, Sina Taefehshokr, Taha Bagheri, Ehsan Mikaeili, Afshin Derakhshani, Masoud Delashoub, Nima Taefehshokr, Alireza Isazadeh, Saba Hajazimian, Antalique Tran, Behzad Baradaran
Cancer is the major cause of death worldwide in countries of all income levels. The Hippo signaling pathway is a Drosophila kinase gene that was identified to regulate organ size, cell regeneration, and contribute to tumorigenesis. A huge variety of extrinsic and intrinsic signals regulate the Hippo signaling pathway. The Hippo signaling pathway consists of a wide array of components that merge numerous signals such as mechanical signals to address apoptosis resistance, cell proliferation, cellular outputs of growth, cell death and survival at cellular and tissue level...
October 9, 2020: Pathology, Research and Practice
https://read.qxmd.com/read/33063715/hippo-signaling-bridging-the-gap-between-cancer-and-neurodegenerative-disorders
#3
Neha Gogia, Anuradha Venkatakrishnan Chimata, Prajakta Deshpande, Aditi Singh, Amit Singh
During development, regulation of organ size requires a balance between cell proliferation, growth and cell death. Dysregulation of these fundamental processes can cause a variety of diseases. Excessive cell proliferation results in cancer whereas excessive cell death results in neurodegenerative disorders. Many signaling pathways known-to-date have a role in growth regulation. Among them, evolutionarily conserved Hippo signaling pathway is unique as it controls both cell proliferation and cell death by a variety of mechanisms during organ sculpture and development...
April 2021: Neural Regeneration Research
https://read.qxmd.com/read/33062724/stk3-suppresses-ovarian-cancer-progression-by-activating-nf-%C3%AE%C2%BA-b-signaling-to-recruit-cd8-t-cells
#4
Xiangyu Wang, Fengmian Wang, Zhi-Gang Zhang, Xiao-Mei Yang, Rong Zhang
Serine/threonine protein kinase-3 (STK3) is a critical molecule of the Hippo pathway but little is known about its biological functions in the ovarian cancer development. We demonstrated the roles of STK3 in ovarian cancer. Existing databases were used to study the expression profile of STK3. STK3 was significantly downregulated in OC patients, and the low STK3 expression was correlated with a poor prognosis. In vitro cell proliferation, apoptosis, and migration assays, and in vivo subcutaneous xenograft tumor models were used to determine the roles of STK3...
2020: Journal of Immunology Research
https://read.qxmd.com/read/33062039/comprehensive-analysis-of-immunoinhibitors-identifies-lgals9-and-tgfbr1-as-potential-prognostic-biomarkers-for-pancreatic-cancer
#5
Yue Fan, Tianyu Li, Lili Xu, Tiantao Kuang
Pancreatic cancer (PC) is one of the most deadly cancers worldwide. To uncover the unknown novel biomarker used to indicate early diagnosis and prognosis in the molecular therapeutic field of PC is extremely of importance. Accumulative evidences indicated that aberrant expression or activation of immunoinhibitors is a common phenomenon in malignances, and significant associations have been noted between immunoinhibitors and tumorigenesis or progression in a wide range of cancers. However, the expression patterns and exact roles of immunoinhibitors contributing to tumorigenesis and progression of pancreatic cancer (PC) have not yet been elucidated clearly...
2020: Computational and Mathematical Methods in Medicine
https://read.qxmd.com/read/33061801/mir-550-1-functions-as-a-tumor-suppressor-in-acute-myeloid-leukemia-via-the-hippo-signaling-pathway
#6
Chao Hu, Mengxia Yu, Chenying Li, Yungui Wang, Xia Li, Bryan Ulrich, Rui Su, Lei Dong, Hengyou Weng, Huilin Huang, Xi Jiang, Jianjun Chen, Jie Jin
MicroRNAs (miRNAs) and N6 -methyladenosine (m6 A) are known to serve as key regulators of acute myeloid leukemia (AML). Our previous microarray analysis indicated miR-550-1 was significantly downregulated in AML. The specific biological roles of miR-550-1 and its indirect interactions and regulation of m6 A in AML, however, remain poorly understood. At the present study, we found that miR-550-1 was significantly down-regulated in primary AML samples from human patients, likely owing to hypermethylation of the associated CpG islands...
2020: International Journal of Biological Sciences
https://read.qxmd.com/read/33061594/mir-25-3p-serves-as-an-oncogenic-microrna-by-downregulating-the-expression-of-merlin-in-osteosarcoma
#7
Hua-Chun Rao, Zhao-Ke Wu, Si-da Wei, Yun Jiang, Qing-Xin Guo, Jia-Wen Wang, Chang-Xian Chen, Hui-Yong Yang
Purpose: Moesin-ezrin-radixin-like protein (Merlin) has been identified as a tumor suppressor in several types of cancers. However, the biological function of Merlin in osteosarcoma remains unclear. MicroRNAs (miRNAs) can influence cancer progression by targeting oncogenes or anti-oncogenes. In this study, we sought to evaluate the regulation of Merlin expression by miR-25-3p and the role of the miR-25-3p/Merlin axis in osteosarcoma progression, with the aim of identifying a potential therapeutic target for osteosarcoma...
2020: Cancer Management and Research
https://read.qxmd.com/read/33060790/a-new-perspective-on-the-interaction-between-the-vg-vgll1-3-proteins-and-the-tead-transcription-factors
#8
Yannick Mesrouze, Gustavo Aguilar, Fedir Bokhovchuk, Typhaine Martin, Clara Delaunay, Frédéric Villard, Marco Meyerhofer, Catherine Zimmermann, Patrizia Fontana, Roman Wille, Thomas Vorherr, Dirk Erdmann, Pascal Furet, Clemens Scheufler, Tobias Schmelzle, Markus Affolter, Patrick Chène
The most downstream elements of the Hippo pathway, the TEAD transcription factors, are regulated by several cofactors, such as Vg/VGLL1-3. Earlier findings on human VGLL1 and here on human VGLL3 show that these proteins interact with TEAD via a conserved amino acid motif called the TONDU domain. Surprisingly, our studies reveal that the TEAD-binding domain of Drosophila Vg and of human VGLL2 is more complex and contains an additional structural element, an Ω-loop, that contributes to TEAD binding. To explain this unexpected structural difference between proteins from the same family, we propose that, after the genome-wide duplications at the origin of vertebrates, the Ω-loop present in an ancestral VGLL gene has been lost in some VGLL variants...
October 15, 2020: Scientific Reports
https://read.qxmd.com/read/33060329/apical-stress-fibers-enable-a-scaling-between-cell-mechanical-response-and-area-in-epithelial-tissue
#9
Jesús M López-Gay, Hayden Nunley, Meryl Spencer, Florencia di Pietro, Boris Guirao, Floris Bosveld, Olga Markova, Isabelle Gaugue, Stéphane Pelletier, David K Lubensky, Yohanns Bellaïche
Biological systems tailor their properties and behavior to their size throughout development and in numerous aspects of physiology. However, such size scaling remains poorly understood as it applies to cell mechanics and mechanosensing. By examining how the Drosophila pupal dorsal thorax epithelium responds to morphogenetic forces, we found that the number of apical stress fibers (aSFs) anchored to adherens junctions scales with cell apical area to limit larger cell elongation under mechanical stress. aSFs cluster Hippo pathway components, thereby scaling Hippo signaling and proliferation with area...
October 16, 2020: Science
https://read.qxmd.com/read/33058421/nedd4l-mediated-merlin-ubiquitination-facilitates-hippo-pathway-activation
#10
Yiju Wei, Patricia P Yee, Zhijun Liu, Lei Zhang, Hui Guo, Haiyan Zheng, Benjamin Anderson, Melissa Gulley, Wei Li
The tumor suppressor Merlin/NF2, a key activator of the Hippo pathway in growth control, is regulated by phosphorylation. However, it is uncertain whether additional post-translational modifications regulate Merlin. Here, we show that ubiquitination is required to activate Merlin in the Hippo pathway. Ubiquitinated Merlin is mostly conjugated by one or two ubiquitin molecules. Such modification is promoted by serine 518 dephosphorylation in response to Ca2+ signaling or cell detachment. Merlin ubiquitination is mediated by the E3 ubiquitin ligase, NEDD4L, which requires a scaffold protein, AMOTL1, to approach Merlin...
October 14, 2020: EMBO Reports
https://read.qxmd.com/read/33058278/role-of-the-hippo-yap-nf-%C3%AE%C2%BAb-signaling-pathway-crosstalk-in-regulating-biological-behaviors-of-macrophages-under-titanium-ion-exposure
#11
Kai-Ming Tang, Wei Chen, Ze-Hua Tang, Xiao-Yu Yu, Wen-Qing Zhu, Song-Mei Zhang, Jing Qiu
The presence of metal ions, such as titanium (Ti) ions, is toxic to adjacent tissues of implants. Indeed, Ti ions may induce an inflammatory response through the NF-κB pathway, thus causing damage to soft and hard tissues. The involvement of Yes-associated protein (YAP), a key factor of the Hippo pathway, in an immuno-inflammatory response has been confirmed, whereas its role in Ti ion-mediated inflammation has not been elucidated. Therefore, this study aimed to investigate the role of signal crosstalk between the Hippo/YAP and NF-κB signaling pathways in the pro-inflammatory effect of Ti ions on macrophages...
October 15, 2020: Journal of Applied Toxicology: JAT
https://read.qxmd.com/read/33052097/-ovol-factors-a-family-of-key-regulators-of-epithelium-mesenchyme-plasticity-and-stem-cells
#12
Alexandra Mancheno-Ferris, Cédric Polesello, François Payre
Most prevalent cancers are of epithelial origin and their morbidity often results from secondary tumors. Cancer aggressiveness relates to intratumoral heterogeneity, including rare tumor initiating cells that share many features with adult stem cells. Both normal and cancer stem cells are characterized by their plasticity between epithelial and mesenchymal phenotypes, progressing through a series of reversible intermediates. While a core of regulators (Snail, Zeb1-2,...) is renowned to promote epithelial to mesenchyme transition (EMT), OvoL/Shavenbaby factors now emerge as a family of key epithelial stabilizers...
October 2020: Médecine Sciences: M/S
https://read.qxmd.com/read/33051603/maladaptive-regeneration-the-reawakening-of-developmental-pathways-in-nash-and-fibrosis
#13
REVIEW
Changyu Zhu, Ira Tabas, Robert F Schwabe, Utpal B Pajvani
With the rapid expansion of the obesity epidemic, nonalcoholic fatty liver disease is now the most common chronic liver disease, with almost 25% global prevalence. Nonalcoholic fatty liver disease ranges in severity from simple steatosis, a benign 'pre-disease' state, to the liver injury and inflammation that characterize nonalcoholic steatohepatitis (NASH), which in turn predisposes individuals to liver fibrosis. Fibrosis is the major determinant of clinical outcomes in patients with NASH and is associated with increased risks of cirrhosis and hepatocellular carcinoma...
October 13, 2020: Nature Reviews. Gastroenterology & Hepatology
https://read.qxmd.com/read/33051258/rassf-effectors-couple-diverse-ras-subfamily-gtpases-to-the-hippo-pathway
#14
Thillaivillalan Dhanaraman, Swati Singh, Ryan C Killoran, Anamika Singh, Xingjian Xu, Julia M Shifman, Matthew J Smith
Small guanosine triphosphatases (GTPases) of the RAS superfamily signal by directly binding to multiple downstream effector proteins. Effectors are defined by a folded RAS-association (RA) domain that binds exclusively to GTP-loaded (activated) RAS, but the binding specificities of most RA domains toward more than 160 RAS superfamily GTPases have not been characterized. Ten RA domain family (RASSF) proteins comprise the largest group of related effectors and are proposed to couple RAS to the proapoptotic Hippo pathway...
October 13, 2020: Science Signaling
https://read.qxmd.com/read/33050415/the-diverse-roles-of-tao-kinases-in-health-and-diseases
#15
REVIEW
Chih-Yeu Fang, Tsung-Ching Lai, Michael Hsiao, Yu-Chan Chang
Thousand and one kinases (TAOKs) are members of the MAP kinase kinase kinase (MAP3K) family. Three members of this subfamily, TAOK1, 2, and 3, have been identified in mammals. It has been shown that TAOK1, 2 and 3 regulate the p38 MAPK and Hippo signaling pathways, while TAOK 1 and 2 modulate the SAPK/JNK cascade. Furthermore, TAOKs are involved in additional interactions with other cellular proteins and all of these pathways modulate vital physiological and pathophysiological responses in cells and tissues...
October 10, 2020: International Journal of Molecular Sciences
https://read.qxmd.com/read/33049985/investigating-the-transition-of-pre-symptomatic-to-symptomatic-huntington-s-disease-status-based-on-omics-data
#16
Christiana C Christodoulou, Margarita Zachariou, Marios Tomazou, Evangelos Karatzas, Christiana A Demetriou, Eleni Zamba-Papanicolaou, George M Spyrou
Huntington's disease is a rare neurodegenerative disease caused by a cytosine-adenine-guanine (CAG) trinucleotide expansion in the Huntingtin ( HTT ) gene. Although Huntington's disease (HD) is well studied, the pathophysiological mechanisms, genes and metabolites involved in HD remain poorly understood. Systems bioinformatics can reveal synergistic relationships among different omics levels and enables the integration of biological data. It allows for the overall understanding of biological mechanisms, pathways, genes and metabolites involved in HD...
October 8, 2020: International Journal of Molecular Sciences
https://read.qxmd.com/read/33046882/erbb2-drives-yap-activation-and-emt-like-processes-during-cardiac-regeneration
#17
Alla Aharonov, Avraham Shakked, Kfir Baruch Umansky, Alon Savidor, Alexander Genzelinakh, David Kain, Daria Lendengolts, Or-Yam Revach, Yuka Morikawa, Jixin Dong, Yishai Levin, Benjamin Geiger, James F Martin, Eldad Tzahor
Cardiomyocyte loss after injury results in adverse remodelling and fibrosis, inevitably leading to heart failure. The ERBB2-Neuregulin and Hippo-YAP signalling pathways are key mediators of heart regeneration, yet the crosstalk between them is unclear. We demonstrate that transient overexpression of activated ERBB2 in cardiomyocytes (OE CMs) promotes cardiac regeneration in a heart failure model. OE CMs present an epithelial-mesenchymal transition (EMT)-like regenerative response manifested by cytoskeletal remodelling, junction dissolution, migration and extracellular matrix turnover...
October 12, 2020: Nature Cell Biology
https://read.qxmd.com/read/33031893/knockdown-of-taz-decrease-the-cancer-stem-properties-of-escc-cell-line-ym-1-by-modulation-of-nanog-oct-4-and-sox2
#18
Ayyoob Khosravi, Seyyed Mehdi Jafari, Jahanbakhsh Asadi
Cancer stem cells are a rare population in tumors with high metastatic potential and resistance to treatment. Recent strategies in cancer treatment have focused on targeting important signaling pathways that have an important role in maintaining CSC populations. TAZ (transcriptional co-activator with PDZ-binding motif) is a key downstream of the Hippo pathway which plays a fundamental role in the survival of CSCs from different origins, however, no data on the role of TAZ in esophageal cancer are available...
October 5, 2020: Gene
https://read.qxmd.com/read/33028612/hippo-signaling-promotes-ets21c-dependent-apical-cell-extrusion-in-the-drosophila-wing-disc
#19
Xianlong Ai, Dan Wang, Junzheng Zhang, Jie Shen
Cell extrusion is a crucial regulator of epithelial tissue development and homeostasis. Epithelial cells undergoing apoptosis, bearing pathological mutations, and possessing developmental defects are actively extruded toward elimination. However, the molecular mechanisms of Drosophila epithelial cell extrusion are not fully understood. Here, we report that activation of the conserved Hippo (Hpo) signaling pathway induces both apical and basal cell extrusion in the Drosophila wing disc epithelia. We show that canonical Yorki targets Diap1, and that dMyc and Cyclin E are not required for either apical or basal cell extrusion induced by activation of this pathway...
October 7, 2020: Development
https://read.qxmd.com/read/33021694/bmp6-taz-hippo-signaling-modulates-angiogenesis-and-endothelial-cell-response-to-vegf
#20
H H Pulkkinen, M Kiema, J P Lappalainen, A Toropainen, M Beter, A Tirronen, L Holappa, H Niskanen, M U Kaikkonen, S Ylä-Herttuala, Johanna P Laakkonen
The BMP/TGFβ-Smad, Notch and VEGF signaling guides formation of endothelial tip and stalk cells. However, the crosstalk of bone morphogenetic proteins (BMPs) and vascular endothelial growth factor receptor 2 (VEGFR2) signaling has remained largely unknown. We demonstrate that BMP family members regulate VEGFR2 and Notch signaling, and act via TAZ-Hippo signaling pathway. BMPs were found to be regulated after VEGF gene transfer in C57/Bl6 mice and in a porcine myocardial ischemia model. BMPs 2/4/6 were identified as endothelium-specific targets of VEGF...
October 6, 2020: Angiogenesis
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