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https://www.readbyqxmd.com/read/28920811/salt-bath-as-a-treatment-for-idiopathic-dermatitis-in-captive-nile-hippopotamus-hippopotamus-amphibius
#1
Kelly E Helmick
Ulcerative skin lesions were observed in two captive adult female hippos (Hippopotamus amphibius) from a zoological collection. Lesions appeared as cracking, peeling, or vesicles of the skin affecting the lateral and ventral aspects of the neck, limbs, thorax, and abdomen, dorsum, toes, and perineal region. Some lesions drained blood, serum, or purulent material. Histologic evaluation of sloughed skin consisted of deep dermal collagen with bacterial cellulitis and vasculitis and superficial fungal colonization...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28915934/increased-yap-activation-is-associated-with-hepatic-cyst-epithelial-cell-proliferation-in-arpkd-chf
#2
Lu Jiang, Lina Sun, Genea Edwards, Michael Manley, Darren Wallace, Seth Septer, Chirag Manohar, Michele T Pritchard, Udayan Apte
Autosomal recessive polycystic kidney disease/congenital hepatic fibrosis (ARPKD/CHF) is a rare but fatal genetic disease characterized by progressive cyst development in the kidneys and liver. Liver cysts arise from aberrantly proliferative cholangiocytes accompanied by pericystic fibrosis and inflammation. Yes associated protein (YAP), the downstream effector of the Hippo signaling pathway, is implicated in human hepatic malignancies such as hepatocellular carcinoma, cholangiocarcinoma, and hepatoblastoma, but its role in hepatic cystogenesis in CHF/ARPKD is unknown...
September 15, 2017: Gene Expression
https://www.readbyqxmd.com/read/28905448/mzf1-and-gabp-cooperate-with-sox2-in-regulating-the-expression-of-yap1-in-cancer-cells
#3
Narendra Kumar Verma, Abhilash Gadi, Giulia Maurizi, Upal Basu Roy, Alka Mansukhani, Claudio Basilico
The transcription factor YAP1 is a major effector of the tumor suppressive Hippo signaling pathway and is also necessary to maintain pluripotency in embryonic stem cells. Elevated levels of YAP1 expression antagonize the tumor suppressive effects of the Hippo pathway, that normally represses YAP1 function. High YAP1 expression is observed in several types of human cancers and is particularly prominent in cancer stem cells. The stem cell transcription factor Sox2, which marks and maintains cancer stem cells in osteosarcomas, promotes YAP1 expression by binding to an intronic enhancer element and YAP1 expression is also crucial for the maintainance of osteosarcoma stem cells...
September 14, 2017: Stem Cells
https://www.readbyqxmd.com/read/28893403/energy-restriction-affect-liver-development-in-hu-sheep-ram-lambs-through-hippo-signaling-pathway
#4
Ting-Ting Zhang, Guo-Min Zhang, Yu-Hang Jin, Yi-Xuan Guo, Zhen Wang, Yi-Xuan Fan, M A El-Samahy, Feng Wang
This study aimed to evaluate the effects of dietary energy restriction on postnatal liver development in Hu sheep ram lambs. A total of 16 ram lambs were randomly divided into two groups: 100% energy requirements diet and 55% energy requirements diet, which were fed for 75 d. Results showed that the final body and liver weights decreased with energy restriction (p <0.05). Energy restriction caused a significant decrease in the levels of circulating insulin-like growth factor 1 (IGF1) and an increase in growth hormone secretion (p <0...
September 2, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28893265/circular-rna_larp4-inhibits-cell-proliferation-and-invasion-of-gastric-cancer-by-sponging-mir-424-5p-and-regulating-lats1-expression
#5
Jing Zhang, Hui Liu, Lidan Hou, Ge Wang, Rui Zhang, Yanxia Huang, Xiaoyu Chen, Jinshui Zhu
BACKGROUND: Non-coding RNAs (ncRNAs) have been shown to regulate gene expression involved in tumor progression of multiple malignancies. Our previous studies indicated that large tumor suppressor kinase 1 (LATS1), a core part of Hippo signaling pathway, functions as a tumor suppressor in gastric cancer (GC). But, the underlying molecular mechanisms by which ncRNAs modulate LATS1 expression in GC remain undetermined. METHODS: The correlation of LATS1 and has-miR-424-5p (miR-424) expression with clinicopathological characteristics and prognosis of GC patients was analyzed by TCGA RNA-sequencing data...
September 11, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28892790/yap1-tead1-glut1-axis-dictates-the-oncogenic-phenotypes-of-breast-cancer-cells-by-modulating-glycolysis
#6
Chunli Lin, Xiaofeng Xu
Altered energy metabolism is a universal property of most cancer cells. The Hippo signaling pathway and its principal downstream effector YAP1 are responsible for tissue homeostasis including organ size, cell proliferation, apoptosis, and differentiation. Dysregulation of the Hippo pathway leads to the activation of YAP1 and further culminates in the development of multiple human cancers. In this study, by loss-of-function assay, we demonstrated that YAP1 contributed to the glycolytic phenotype of breast cancer cells...
September 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28892167/effect-of-cadmium-on-kitl-pre-mrna-alternative-splicing-in-murine-ovarian-granulosa-cells-and-its-associated-regulation-by-mirnas
#7
Wenxiang Wang, Jie Chen, Lingfeng Luo, Yuchen Li, Jin Liu, Wenchang Zhang
In this study, we established an in vitro exposure model of murine ovarian granulosa cells to observe the effect of Cd on alternative splicing of the kitl pre-mRNA and subsequently to explore the role of kitl gene expression regulation-related miRNAs through miRNA prediction, miRNA chip, bioinformatics and real-time quantitative polymerase chain reaction analyses. Our results showed that the kitl1/kitl2 mRNA ratio was significantly different (P < 0.05) at different dosages and times. The miRNA chip analysis showed that the miRNA expression profiles for the Cd treatment were significantly changed, and the expression of 29 miRNAs involved in alternative splicing of the kitl pre-mRNA was changed...
September 11, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28887324/exercise-induced-catecholamines-activate-the-hippo-tumor-suppressor-pathway-to-reduce-risks-of-breast-cancer-development
#8
Christine Dethlefsen, Louise S Hansen, Christian Lillelund, Christina Andersen, Julie Gehl, Jesper F Christensen, Bente K Pedersen, Pernille Hojman
Strong epidemiologic evidence documents the protective effect of physical activity on breast cancer risk, recurrence, and mortality, but the underlying mechanisms remain to be identified. Using human exercise-conditioned serum for breast cancer cell incubation studies and murine exercise interventions, we aimed to identify exercise factors and signaling pathways involved in the exercise-dependent suppression of breast cancer. Exercise-conditioned serum from both women with breast cancer (n = 20) and healthy women (n = 7) decreased MCF-7 (hormone-sensitive) and MDA-MB-231 (hormone-insensitive) breast cancer cell viability in vitro by 11% to 19% and reduced tumorigenesis by 50% when preincubated MCF-7 breast cancer cells were inoculated into NMRI-Foxn1(nu) mice...
September 8, 2017: Cancer Research
https://www.readbyqxmd.com/read/28885730/low-angiomotin-p130-with-concomitant-high-yes-associated-protein-1-expression-is-associated-with-adverse-prognosis-of-advanced-gastric-cancer
#9
Soon Auck Hong, Myoung Won Son, Junhun Cho, Si-Hyong Jang, Hyun Ju Lee, Ji-Hye Lee, Hyun Deuk Cho, Mee-Hye Oh, Moon Soo Lee
Angiomotin (AMOT) promotes angiogenesis and plays a role in neovascularization during tumorigenesis. Recently, the AMOT isoform, AMOT-p130, was shown to exert a regulatory effect on Yes-associated protein 1 (YAP1), a major downstream effector of the Hippo pathway. The specific roles of AMOT-p130 and YAP1 in advanced gastric cancer (AGC) are yet to be established. In this study, a total of 166 patients with AGC were enrolled, and AMOT-p130 and YAP1 levels were analyzed by immunohistochemistry using tissue microarrays...
September 8, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28883618/cg200745-an-hdac-inhibitor-induces-anti-tumour-effects-in-cholangiocarcinoma-cell-lines-via-mirnas-targeting-the-hippo-pathway
#10
Dawoon E Jung, Soo Been Park, Kahee Kim, Chanyang Kim, Si Young Song
Cholangiocarcinoma is a devastating malignancy with fatal complications that exhibits low response and resistance to chemotherapy. Here, we evaluated the anticancer effects of CG200745, a novel histone deacetylase inhibitor, either alone or in combination with standard chemotherapy drugs in cholangiocarcinoma cells. CG200745 dose-dependently reduced the viability of cholangiocarcinoma cells in vitro and decreased tumour volume and weight in a xenograft model. Administering CG200745 along with other chemotherapeutic agents including gemcitabine, 5-fluorouracil (5-FU), cisplatin, oxaliplatin, or gemcitabine plus cisplatin further decreased cholangiocarcinoma cell viability, with a combination index < 1 that indicated synergistic action...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28881733/positive-regulation-of-taz-expression-by-ebv-lmp1-contributes-to-cell-proliferation-and-epithelial-mesenchymal-transition-in-nasopharyngeal-carcinoma
#11
Jiang He, Feiyu Tang, Liyu Liu, Lin Chen, Jiang Li, Danming Ou, Lu Zhang, Zhi Li, Deyun Feng, Wenzheng Li, Lun-Quan Sun
The Epstein-Barr virus latent membrane protein 1 (LMP1) is an integral membrane protein. LMP1 has been reported to activate the NF-κB and mitogen-activated protein kinase pathways. However, these effects alone are unable to account for the profound oncogenic properties of LMP1. TAZ is one of the nuclear effectors of Hippo-related pathways and highly expressed in many human tumors. Here, we reported that TAZ was frequently expressed in LMP1-positive nasopharyngeal carcinoma. In NPC cell lines, we showed that LMP1 promoted TAZ expression...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28880957/mapping-the-stk4-hippo-signaling-network-in-prostate-cancer-cell
#12
Damien Ready, Kader Yagiz, Pooneh Amin, Yuksel Yildiz, Vincent Funari, Serdar Bozdag, Bekir Cinar
Dysregulation of MST1/STK4, a key kinase component of the Hippo-YAP pathway, is linked to the etiology of many cancers with poor prognosis. However, how STK4 restricts the emergence of aggressive cancer remains elusive. Here, we investigated the effects of STK4, primarily localized in the cytoplasm, lipid raft, and nucleus, on cell growth and gene expression in aggressive prostate cancer. We demonstrated that lipid raft and nuclear STK4 had superior suppressive effects on cell growth in vitro and in vivo compared with cytoplasmic STK4...
2017: PloS One
https://www.readbyqxmd.com/read/28879493/neural-progenitor-cells-undergoing-yap-tead-mediated-enhanced-self-renewal-form-heterotopias-more-easily-in-the-diencephalon-than-in-the-telencephalon
#13
Kanako Saito, Ryotaro Kawasoe, Hiroshi Sasaki, Ayano Kawaguchi, Takaki Miyata
Spatiotemporally ordered production of cells is essential for brain development. Normally, most undifferentiated neural progenitor cells (NPCs) face the apical (ventricular) surface of embryonic brain walls. Pathological detachment of NPCs from the apical surface and their invasion of outer neuronal territories, i.e., formation of NPC heterotopias, can disrupt the overall structure of the brain. Although NPC heterotopias have previously been observed in a variety of experimental contexts, the underlying mechanisms remain largely unknown...
September 6, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28878191/melatonin-and-hippo-pathway-is-there-existing-cross-talk
#14
Federica Lo Sardo, Paola Muti, Giovanni Blandino, Sabrina Strano
Melatonin is an indolic hormone that regulates a plethora of functions ranging from the regulation of circadian rhythms and antioxidant properties to the induction and maintenance of tumor suppressor pathways. It binds to specific receptors as well as to some cytosolic proteins, leading to several cellular signaling cascades. Recently, the involvement of melatonin in cancer insurgence and progression has clearly been demonstrated. In this review, we will first describe the structure and functions of melatonin and its receptors, and then discuss both molecular and epidemiological evidence on melatonin anticancer effects...
September 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28878117/tead1-is-required-for-maintaining-adult-cardiomyocyte-function-and-its-loss-results-in-lethal-dilated-cardiomyopathy
#15
Ruya Liu, Jeongkyung Lee, Byung S Kim, Qiongling Wang, Samuel K Buxton, Nikhil Balasubramanyam, Jean J Kim, Jianrong Dong, Aijun Zhang, Shumin Li, Anisha A Gupte, Dale J Hamilton, James F Martin, George G Rodney, Cristian Coarfa, Xander Ht Wehrens, Vijay K Yechoor, Mousumi Moulik
Heart disease remains the leading cause of death worldwide, highlighting a pressing need to identify novel regulators of cardiomyocyte (CM) function that could be therapeutically targeted. The mammalian Hippo/Tead pathway is critical in embryonic cardiac development and perinatal CM proliferation. However, the requirement of Tead1, the transcriptional effector of this pathway, in the adult heart is unknown. Here, we show that tamoxifen-inducible adult CM-specific Tead1 ablation led to lethal acute-onset dilated cardiomyopathy, associated with impairment in excitation-contraction coupling...
September 7, 2017: JCI Insight
https://www.readbyqxmd.com/read/28877210/tankyrase-inhibitors-suppress-hepatocellular-carcinoma-cell-growth-via-modulating-the-hippo-cascade
#16
Jiaoyuan Jia, Yu Qiao, Maria G Pilo, Antonio Cigliano, Xianqiong Liu, Zixuan Shao, Diego F Calvisi, Xin Chen
Previous data indicate that Tankyrase inhibitors exert anti-growth functions in many cancer cell lines due to their ability to inactivate the YAP protooncogene. In the present manuscript, we investigated the effect of Tankyrase inhibitors on the growth of hepatocellular carcinoma (HCC) cell lines and the molecular mechanisms involved. For this purpose, we performed cell proliferation assay by colony-forming ability in seven human HCC cells subjected to XAV-939 and G007-LK Tankyrase inhibitors. Noticeably, the two Tankyrase inhibitors suppressed the HCC cell growth in a dose-dependent manner...
2017: PloS One
https://www.readbyqxmd.com/read/28869833/yap-promotes-hepatocellular-carcinoma-metastasis-and-mobilization-via-governing-cofilin-f-actin-lamellipodium-axis-by-regulation-of-jnk-bnip3-serca-camkii-pathways
#17
Chen Shi, Yong Cai, Yongheng Li, Ye Li, Nan Hu, Sai Ma, Shunying Hu, Pingjun Zhu, Weihu Wang, Hao Zhou
Despite the increasingly important role of Hippo-Yap in hepatocellular carcinoma (HCC) development and progression, little insight is available at the time regarding the specifics interaction of Yap and cancer cells migration. Here, we identified the mechanism by which tumor-intrinsic Yap deletion resulted in HCC migratory inhibition. Yap was greatly upregulated in HCC and its expression promoted the cells migration. Functional studies found that knockdown of Yap induced JNK phosphorylation which closely bound to the Bnip3 promoter and contributed to Bnip3 expression...
August 24, 2017: Redox Biology
https://www.readbyqxmd.com/read/28867486/yap-taz-orchestrate-vegf-signaling-during-developmental-angiogenesis
#18
Xiaohong Wang, Aida Freire Valls, Géza Schermann, Ying Shen, Ivan M Moya, Laura Castro, Severino Urban, Gergely M Solecki, Frank Winkler, Lars Riedemann, Rakesh K Jain, Massimilano Mazzone, Thomas Schmidt, Tamás Fischer, Georg Halder, Carmen Ruiz de Almodóvar
Vascular endothelial growth factor (VEGF) is a major driver of blood vessel formation. However, the signal transduction pathways culminating in the biological consequences of VEGF signaling are only partially understood. Here, we show that the Hippo pathway effectors YAP and TAZ work as crucial signal transducers to mediate VEGF-VEGFR2 signaling during angiogenesis. We demonstrate that YAP/TAZ are essential for vascular development as endothelium-specific deletion of YAP/TAZ leads to impaired vascularization and embryonic lethality...
September 11, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28866620/hepatic-hippo-signaling-inhibits-protumoural-microenvironment-to-suppress-hepatocellular-carcinoma
#19
Wantae Kim, Sanjoy Kumar Khan, Yuchen Liu, Ruoshi Xu, Ogyi Park, Yong He, Boksik Cha, Bin Gao, Yingzi Yang
OBJECTIVE: Hippo signalling is a recently identified major oncosuppressive pathway that plays critical roles in inhibiting hepatocyte proliferation, survival and hepatocellular carcinoma (HCC) formation. Hippo kinase (Mst1 and Mst2) inhibits HCC proliferation by suppressing Yap/Taz transcription activities. As human HCC is mainly driven by chronic liver inflammation, it is not clear whether Hippo signalling inhibits HCC by shaping its inflammatory microenvironment. DESIGN: We have established a genetic HCC model by deleting Mst1 and Mst2 in hepatocytes...
September 2, 2017: Gut
https://www.readbyqxmd.com/read/28860209/the-drosophila-embryo-at-single-cell-transcriptome-resolution
#20
Nikos Karaiskos, Philipp Wahle, Jonathan Alles, Anastasiya Boltengagen, Salah Ayoub, Claudia Kipar, Christine Kocks, Nikolaus Rajewsky, Robert P Zinzen
By the onset of morphogenesis, Drosophila embryos consist of about 6000 cells that express distinct gene combinations. Here, we used single-cell sequencing of precisely staged embryos and devised DistMap, a computational mapping strategy to reconstruct the embryo and to predict spatial gene expression approaching single-cell resolution. We produce a virtual embryo with about 8000 expressed genes per cell. Our interactive "Drosophila-Virtual-Expression-eXplorer" (DVEX) database generates three-dimensional virtual in situ hybridizations and computes gene expression gradients...
August 31, 2017: Science
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