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Yang Gyun Kim, Sangho Lee, Ju Young Moon, Se Yeon Kim, Yu Ho Lee, Seok Jong Song, Kyung Whan Jeoung, Tae Won Lee, Chun Gyu Ihm
OBJECTIVE: Intrarenal renin-angiotensin system (RAS) had an important role to generate and maintain hypertension in 2-kidny 1-clip (2K1C) rats. This study purposed to assess how various intrarenal RAS components of 2K1C rats contributed to hypertension in different parts (cortex, medulla) of both sides (CK; clipped-kidney, NCK; non-clipped kidney) at different times (2 weeks; 2w and 5 weeks; 5w after clipping operation). DESIGN AND METHOD: We conducted to insert clip to left renal artery or sham operation to SD rats, then systolic blood pressure (SBP) was measured at one week interval...
September 2016: Journal of Hypertension
Shihai Jia, Hyuk-Jae Edward Kwon, Yu Lan, Jing Zhou, Han Liu, Rulang Jiang
Mutations in MSX1 cause craniofacial developmental defects, including tooth agenesis, in humans and mice. Previous studies suggest that Msx1 activates Bmp4 expression in the developing tooth mesenchyme to drive early tooth organogenesis. Whereas Msx1(-/-) mice exhibit developmental arrest of all tooth germs at the bud stage, mice with neural crest-specific inactivation of Bmp4 (Bmp4(ncko)(/ncko)), which lack Bmp4 expression in the developing tooth mesenchyme, showed developmental arrest of only mandibular molars...
October 3, 2016: Developmental Biology
Zhi Tan, Lu Chen, Shuxing Zhang
TRAF2- and NCK-interacting kinase (TNIK) represents one of the crucial targets for Wnt-activated colorectal cancer. In this study, we curated two datasets and conducted a comprehensive modeling study to explore novel TNIK inhibitors with desirable biopharmaceutical properties. With Dataset I, we derived Comparative Molecular Similarity Indices Analysis (CoMSIA) and variable-selection k-nearest neighbor models, from which 3D-molecular fields and 2D-descriptors critical for the TNIK inhibitor activity were revealed...
2016: Scientific Reports
Yang Gyun Kim, Sangho Lee, Ju Young Moon, Se Yeon Kim, Yu Ho Lee, Seok Jong Song, Kyung Whan Jeoung, Tae Won Lee, Chun Gyu Ihm
OBJECTIVE: Intrarenal renin-angiotensin system (RAS) had an important role to generate and maintain hypertension in 2-kidny 1-clip (2K1C) rats. This study purposed to assess how various intrarenal RAS components of 2K1C rats contributed to hypertension in different parts (cortex, medulla) of both sides (CK; clipped-kidney, NCK; non-clipped kidney) at different times (2 weeks; 2w and 5 weeks; 5w after clipping operation). DESIGN AND METHOD: We conducted to insert clip to left renal artery or sham operation to SD rats, then systolic blood pressure (SBP) was measured at one week interval...
September 2016: Journal of Hypertension
Changyu Zhou, Jiayu Li, Jiarui Li, Yingchun Wan, Tao Li, Piyong Ma, Yingjian Wang, Haiyan Sang
The aim of the present study was to identify the differentially expressed microRNAs (DEMs) between Lynch syndrome (LS) and the normal colonic (N-C) control samples, predict the target genes (TGs) and analyze the potential functions of the DEMs and TGs. The miRNA expression dataset GSE30454, which included data of 13 LS and 20 N-C tissue samples, was downloaded from the Gene Expression Omnibus. The classical t-test in Linear Models for Microarray Data package was used for DEM identification. TG prediction was performed using 5 databases...
September 2016: Oncology Letters
Kyung Ho Jeong, Young Jin Song, Jin Yeong Han, Ki Uk Kim
BACKGROUND: The purpose of the study is to reveal the association of cytogenetic compltyexi and peritumoral edema volume (PTEV) and its prognostic significance in high-grade astrocytoma patients by culturing patient tumor cells. METHODS: Twenty-seven high-grade astrocytoma patients were divided into three groups according to karyotype complexity: normal, non-complex karyotype (NCK), and complex karyotype (CK). Endothelial growth factor receptor (EGFR) amplification was detected by FISH, and its association with chromosome 7 abnormalities was analyzed...
November 2016: Annals of Laboratory Medicine
Mari Masuda, Yuko Uno, Naomi Ohbayashi, Hirokazu Ohata, Ayako Mimata, Mutsuko Kukimoto-Niino, Hideki Moriyama, Shigeki Kashimoto, Tomoko Inoue, Naoko Goto, Koji Okamoto, Mikako Shirouzu, Masaaki Sawa, Tesshi Yamada
Canonical Wnt/β-catenin signalling is essential for maintaining intestinal stem cells, and its constitutive activation has been implicated in colorectal carcinogenesis. We and others have previously identified Traf2- and Nck-interacting kinase (TNIK) as an essential regulatory component of the T-cell factor-4 and β-catenin transcriptional complex. Consistent with this, Tnik-deficient mice are resistant to azoxymethane-induced colon tumorigenesis, and Tnik(-/-)/Apc(min/+) mutant mice develop significantly fewer intestinal tumours...
August 26, 2016: Nature Communications
J L Fernández-Muñoz, M Zapata-Torrez, A Márquez-Herrera, F Sánchez-Sinencio, J G Mendoza-Álvarez, M Meléndez-Lira, O Zelaya-Ángel
This paper focuses on the particle size distribution (PSD) changes during nixtamalized corn kernels (NCK) as a function of the steeping time (ST). The process to obtain powder or corn flour from NCK was as follows: (i) the NCK with different STs were wet-milled in a stone mill, (ii) dehydrated by a Flash type dryer, and (iii) pulverized with a hammer mill and sieved with a 20 mesh. The powder was characterized by measuring the PSD percentage, calcium percentage (CP), peak viscosity at 90°C (PV), and crystallinity percentage (CP)...
2016: Scientifica
Benjamin W Campbell, Anna N Hofstad, Suma Sreekanta, Fengli Fu, Thomas J Y Kono, Jamie A O'Rourke, Carroll P Vance, Gary J Muehlbauer, Robert M Stupar
Three adjacent and distinct sequence rearrangements were identified at a NAP1 locus in a soybean mutant. Genetic dissection and validation revealed the function of this gene in soybean trichome development. A soybean (Glycine max (L.) Merr.) gnarled trichome mutant, exhibiting stunted trichomes compared to wild-type, was identified in a fast neutron mutant population. Genetic mapping using whole genome sequencing-based bulked segregant analysis identified a 26.6 megabase interval on chromosome 20 that co-segregated with the phenotype...
September 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
Wenqi Zhou, Yuchuan Wang, Zhongliang Wu, Liang Luo, Ping Liu, Longfeng Yan, Suiwen Hou
Filamentous actins (F-actins) play a vital role in epidermal cell morphogenesis. However, a limited number of studies have examined actin-dependent leaf epidermal cell morphogenesis events in rice. In this study, two recessive mutants were isolated: less pronounced lobe epidermal cell2-1 (lpl2-1) and lpl3-1, whose leaf and stem epidermis developed a smooth surface, with fewer serrated pavement cell (PC) lobes, and decreased papillae. The lpl2-1 also exhibited irregular stomata patterns, reduced plant height, and short panicles and roots...
July 2016: Journal of Experimental Botany
Pussadee Paensuwan, Frederike A Hartl, O Sascha Yousefi, Jatuporn Ngoenkam, Piyamaporn Wipa, Esmeralda Beck-Garcia, Elaine P Dopfer, Boonruang Khamsri, Donruedee Sanguansermsri, Susana Minguet, Wolfgang W Schamel, Sutatip Pongcharoen
No abstract text is available yet for this article.
June 1, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
Jasmijn D E de Rooij, Riccardo Masetti, Marry M van den Heuvel-Eibrink, Jean-Michel Cayuela, Jan Trka, Dirk Reinhardt, Mareike Rasche, Edwin Sonneveld, Todd A Alonzo, Maarten Fornerod, Martin Zimmermann, Martina Pigazzi, Rob Pieters, Soheil Meshinchi, C Michel Zwaan, Franco Locatelli
Genetic abnormalities and early treatment response are the main prognostic factors in acute myeloid leukemia (AML). Acute megakaryoblastic leukemia (AMKL) is a rare subtype of AML. Deep sequencing has identified CBFA2T3/GLIS2 and NUP98/KDM5A as recurrent aberrations, occurring in similar frequencies as RBM15/MKL1 and KMT2A-rearrangements. We studied whether these cytogenetic aberrations can be used for risk group stratification. To assess frequencies and outcome parameters of recurrent cytogenetic aberrations in AMKL, samples and clinical data of patients treated by the Associazione Italiana Ematologia Oncologia Pediatrica, Berlin-Frankfurt-Munster Study Group, Children's Oncology Group, Dutch Childhood Oncology Group, and the Saint Louis Hôpital were collected, enabling us to screen 153 newly diagnosed pediatric AMKL cases for the aforementioned aberrations and to study their clinical characteristics and outcome...
June 30, 2016: Blood
Ava Keyvani Chahi, Claire E Martin, Nina Jones
Podocytes are key components of the kidney blood filtration barrier, and their ability to withstand hemodynamic strain is proposed to be closely tied to their unique and flexible cytoarchitecture. However, the mechanisms that control such mechanotransduction are poorly understood. We have previously established that tyrosine phosphorylation of the transmembrane protein nephrin promotes recruitment of the Nck1/2 cytoskeletal adaptor proteins and downstream actin remodeling. We now reveal that Nck integrates nephrin with the Hippo kinase cascade through association with the adaptor protein WTIP...
June 10, 2016: Journal of Biological Chemistry
Esther García, Chiara Ragazzini, Xinzi Yu, Elena Cuesta-García, Jorge Bernardino de la Serna, Tobias Zech, David Sarrió, Laura M Machesky, Inés M Antón
Cancer cells form actin-rich degradative protrusions (invasive pseudopods and invadopodia), which allows their efficient dispersal during metastasis. Using biochemical and advanced imaging approaches, we demonstrate that the N-WASP-interactors WIP and WICH/WIRE play non-redundant roles in cancer cell invasion. WIP interacts with N-WASP and cortactin and is essential for invadopodium assembly, whereas WICH/WIRE regulates N-WASP activation to control invadopodium maturation and degradative activity. Our data also show that Nck interaction with WIP and WICH/WIRE modulates invadopodium maturation; changes in WIP and WICH/WIRE levels induce differential distribution of Nck...
2016: Scientific Reports
Hae Jung Chon, Yura Lee, Kyoung Jun Bae, Byung Jin Byun, Soon Ae Kim, Jiyeon Kim
Traf2- and Nck-interacting kinase (TNIK) is a member of the germinal center kinase family. TNIK was first identified as a kinase that is involved in regulating cytoskeletal organization in many types of cells, and it was recently proposed as a novel therapeutic target in several types of human cancers. Although previous studies suggest that TNIK plays a pivotal role in cancer cell survival and prognosis, its function in hematological cancer cell survival has not been investigated. Here we investigated the relationship between TNIK function and cell viability in multiple myeloma IM-9 cells using TNIK small interfering RNA (siRNA) transfection and dovitinib treatment...
July 2016: Amino Acids
Olfa Siala-Sahnoun, Dhoha Dhieb, Afef Ben Thabet, Nedia Hmida, Neila Belguith, Faiza Fakhfakh
Donohue syndrome (DS) is a very rare autosomal recessive disease affecting less than one in a million life births. It represents the most severe form of insulin resistance due to mutations involving the insulin receptor (IR) gene "INSR". DS is characterized by pre- and postnatal growth retardation with failure-to-thrive, lipoatrophy, acanthosis nigricans, hypertrichosis, and dysmorphic features. An exhaustive INSR gene sequencing was performed after PCR amplification of coding exons and introns boundaries. Bioinformatic tools, including ESEfinder, MFOLD and Proter software were also used to predict the impact of INSR mutation on INSR on gene expression as well as on the protein structure and function...
March 2016: Molecular Biology Reports
Yang Gyun Kim, Sang Ho Lee, Se-Yun Kim, Arah Lee, Ju Young Moon, Kyung-Hwan Jeong, Tae Won Lee, Sung Jig Lim, Il Suk Sohn, Chun-Gyoo Ihm
The intrarenal renin-angiotensin system (RAS) has an important role in generating and maintaining hypertension in two-kidney, one-clip (2K1C) rats. This study evaluated how various intrarenal RAS components contributed to hypertension not only in the maintenance period (5w; 5 wk after operation) but also earlier (2w; 2 wk after operation). We inserted a 2.5-mm clip into the left renal artery of Sprague-Dawley rats and euthanized them at 2w and 5w following the operation. Systolic blood pressure increased within 1 wk after the operation, and left ventricular hypertrophy occurred in 2K1C rats...
July 1, 2016: American Journal of Physiology. Renal Physiology
Alexandre Dubrac, Gael Genet, Roxana Ola, Feng Zhang, Laurence Pibouin-Fragner, Jinah Han, Jiasheng Zhang, Jean-Léon Thomas, Alain Chedotal, Martin A Schwartz, Anne Eichmann
BACKGROUND: Sprouting angiogenesis is a key process driving blood vessel growth in ischemic tissues and an important drug target in a number of diseases, including wet macular degeneration and wound healing. Endothelial cells forming the sprout must develop front-rear polarity to allow sprout extension. The adaptor proteins Nck1 and 2 are known regulators of cytoskeletal dynamics and polarity, but their function in angiogenesis is poorly understood. Here, we show that the Nck adaptors are required for endothelial cell front-rear polarity and migration downstream of the angiogenic growth factors VEGF-A and Slit2...
January 26, 2016: Circulation
Qi Wang, Stephen P Amato, David M Rubitski, Matthew M Hayward, Bethany L Kormos, Patrick R Verhoest, Lan Xu, Nicholas J Brandon, Michael D Ehlers
Traf2- and Nck-interacting kinase (TNIK) is a serine/threonine kinase highly expressed in the brain and enriched in the postsynaptic density of glutamatergic synapses in the mammalian brain. Accumulating genetic evidence and functional data have implicated TNIK as a risk factor for psychiatric disorders. However, the endogenous substrates of TNIK in neurons are unknown. Here, we describe a novel selective small molecule inhibitor of the TNIK kinase family. Using this inhibitor, we report the identification of endogenous neuronal TNIK substrates by immunoprecipitation with a phosphomotif antibody followed by mass spectrometry...
February 2016: Journal of Pharmacology and Experimental Therapeutics
Jonathon A Ditlev, Paul J Michalski, Greg Huber, Gonzalo M Rivera, William A Mohler, Leslie M Loew, Bruce J Mayer
No abstract text is available yet for this article.
December 7, 2015: Journal of Cell Biology
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