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Transforming acidic coiled-coil proteins

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https://www.readbyqxmd.com/read/29429667/effects-of-ultrasonic-and-graft-treatments-on-grafting-degree-structure-functionality-and-digestibility-of-rapeseed-protein-isolate-dextran-conjugates
#1
Wenjuan Qu, Xinxin Zhang, Weiyu Chen, Zhiping Wang, Ronghai He, Haile Ma
Rapeseed protein isolate (RPI) and dextran conjugates were prepared by traditional and ultrasonic assisted wet-heating. The effects on the grafting degree (GD), structure, functionality, and digestibility of conjugates were studied. Ultrasonic frequency, temperature, and time all significantly affected the GD. Under the optimum conditions (temperature of 90 °C and time of 60 min), compared to traditional wet-heating, ultrasonic treatment at 28 kHz significantly increased the GD by 2.12 times. Compared to RPI, surface hydrophobicities of conjugates were significantly decreased by graft and ultrasonic treatments...
April 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29363791/whey-protein-isolate-with-improved-film-properties-through-cross-linking-catalyzed-by-small-laccase-from-streptomyces-coelicolor
#2
Wei Quan, Chong Zhang, Meixia Zheng, Zhaoxin Lu, Fengxia Lu
BACKGROUND: The effects of Small laccase (SLAC) from Streptomyces coelicolor on the prosperities of whey protein isolate (WPI) film were studied. RESULTS: WPI was catalyze by SLAC without phenolic acid assistance. Particle size distribution results showed that some complexes with higher relative molecular weight formed in WPI samples treated by SLAC. The content of α-helixes decreased, while those of β-sheets and random coils increased following SLAC treatment according to circular dichroism results...
January 24, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29355525/negative-regulation-of-brca1-by-transforming-acidic-coiled-coil-protein-3-tacc3
#3
Jung-Lye Kim, Geun-Hyoung Ha, Loredana Campo, Eun-Kyoung Breuer
In spite of the push to identify modifiers of BRCAness, it still remains unclear how tumor suppressor BRCA1 is lost in breast cancers in the absence of genetic or epigenetic aberrations. Mounting evidence indicates that the transforming acidic coiled-coil 3 (TACC3) plays an important role in the centrosome-microtubule network during mitosis and gene expression, and that deregulation of TACC3 is associated with breast cancer. However, the molecular mechanisms by which TACC3 contributes to breast cancer development have yet to be elucidated...
January 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29325713/the-interaction-of-tak1-and-tab1-enhances-lps-induced-cytokine-release-via-modulating-nf-%C3%AE%C2%BAb-activation-larimichthys-crocea
#4
Shi-Yuan Bao, Qing-Xue Sun, Cui-Luan Yao
Transforming growth factor-β-activating kinase 1 (TAK1) is triggered by foreign pathogenic infection and involves in proinflammatory response through the activation of nuclear factor-κB (NF-κB), which is specifically regulated by TAK1-binding protein 1 (TAB1). However, the expression and regulatory characterizations of TAK1 and TAB1 in fish immune response remain largely unknown. In the present study, the cDNA sequences of TAK1 (LcTAK1) and TAB1 (LcTAB1) were identified from large yellow croaker, Larimichthys crocea...
January 8, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29259896/involvement-of-rho-associated-coiled-coil-kinase-signaling-inhibition-in-tgf-%C3%AE-1-smad2-3-signal-transduction-in-vitro
#5
Zhao-Hui Feng, Xiao-Hui Zhang, Jia-Qi Zhao, Jun-Ze Ma
AIM: To research the effect of Y-27632, a selective Rho-associated coiled-coil kinase (ROCK) inhibitor, on TGF-β1/Smad2, 3 signal transduction in ocular Tenon's capsule fibroblasts (OTFs). METHODS: Primary ocular Tenon's capsule fibroblasts had been cultured in vitro. The effect of Y27632 on proliferation of OTF stimulated by lysophosphatidic acid (LPA) was evaluated by MTT colorimetric assay so as to sift out the proper concentrations range of Y-27632 for the next experiment...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29211497/the-rho-kinase-isoforms-rock1-and-rock2-each-contribute-to-the-development-of-experimental-pulmonary-fibrosis
#6
Rachel S Knipe, Clemens K Probst, David Lagares, Alicia Franklin, Jillian J Spinney, Patricia L Brazee, Paula Grasberger, Linlin Zhang, Katharine E Black, Norihiko Sakai, Barry S Shea, James K Liao, Benjamin D Medoff, Andrew M Tager
Pulmonary fibrosis is thought to result from dysregulated wound repair after repetitive lung injury. Many cellular responses to injury involve rearrangements of the actin cytoskeleton mediated by the two isoforms of the Rho-associated coiled coil forming protein kinase, ROCK1 and ROCK2. Additionally, profibrotic mediators such as transforming growth factor-beta (TGF-β), thrombin and lysophosphatidic acid (LPA) act through receptors that activate ROCK. Inhibition of ROCK activation may be a potent therapeutic strategy for human pulmonary fibrosis...
December 6, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29135996/clinicopathological-and-prognostic-value-of-transforming-acidic-coiled-coil-containing-protein-3-tacc3-expression-in-soft-tissue-sarcomas
#7
Kotaro Matsuda, Hiroaki Miyoshi, Koji Hiraoka, Shintaro Yokoyama, Toshiaki Haraguchi, Toshihiro Hashiguchi, Tetsuya Hamada, Naoto Shiba, Koichi Ohshima
Transforming acidic coiled-coil-containing protein 3 (TACC3), a microtubule regulator, is associated with various cancers. However, the relationship between TACC3 and soft tissue sarcomas (STS) remains unclear. We investigated the expression of TACC3 in 136 STS patient samples using immunohistochemical (IHC) staining, and the statistical associations between TACC3 expression and clinicopathological characteristics were evaluated. Additionally, the expression levels of the tumor suppressor p53 and of the cell proliferation marker Ki-67 were also assessed by IHC...
2017: PloS One
https://www.readbyqxmd.com/read/28898511/mutations-in-the-major-gas-vesicle-protein-gvpa-and-impacts-on-gas-vesicle-formation-in-haloferax-volcanii
#8
Regine Knitsch, Marie Schneefeld, Kerstin Weitzel, Felicitas Pfeifer
Gas vesicles are proteinaceous, gas-filled nanostructures produced by some bacteria and archaea. The hydrophobic major structural protein GvpA forms the ribbed gas vesicle wall. An in-silico 3D-model of GvpA of the predicted coil-α1-β1-β2-α2-coil structure is available and implies that the two β-chains constitute the hydrophobic interior surface of the gas vesicle wall. To test the importance of individual amino acids in GvpA we performed 85 single substitutions and analyzed these variants in Haloferax volcanii ΔA + Amut transformants for their ability to form gas vesicles (Vac(+) phenotype)...
September 12, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28892742/toxicity-teratogenicity-and-antibacterial-activity-of-posterior-salivary-gland-psg-toxin-from-the-cuttlefish-sepia-pharaonis-ehrenberg-1831
#9
Ramachandran Karthik, Venkatesan Manigandan, Ramachandran Saravanan
Toxins from the posterior salivary gland (PSG) of cuttlefishes are known toxins with pronounced toxicity. In the present study, ionic peptide rich PSG toxin from the cuttlefish S. pharaonis was isolated by ion exchange chromatography and purified by Reversed Phase High Performance Liquid Chromatography (RP-HPLC), with active fraction at a retention time of 26min. The net protein content of the PSG toxin was estimated to be 46.6mg at a proximate molecular weight of∼50kDa. Fourier Transform Infrared Spectroscopy (FT-IR) of PSG toxin revealed the presence of alcoholic OH, primary NH, alkyl CH and conjugated CONH functional groups...
October 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28855393/fgfr3-tacc3-cancer-gene-fusions-cause-mitotic-defects-by-removal-of-endogenous-tacc3-from-the-mitotic-spindle
#10
Sourav Sarkar, Ellis L Ryan, Stephen J Royle
Fibroblast growth factor receptor 3-transforming acidic coiled-coil containing protein 3 (FGFR3-TACC3; FT3) is a gene fusion resulting from rearrangement of chromosome 4 that has been identified in many cancers including those of the urinary bladder. Altered FGFR3 signalling in FT3-positive cells is thought to contribute to cancer progression. However, potential changes in TACC3 function in these cells have not been explored. TACC3 is a mitotic spindle protein required for accurate chromosome segregation. Errors in segregation lead to aneuploidy, which can contribute to cancer progression...
August 2017: Open Biology
https://www.readbyqxmd.com/read/28836502/inhibition-of-pde4-by-low-doses-of-rolipram-induces-changes-in-lipid-and-protein-components-of-mice-heart
#11
Sevgi Türker-Kaya, İpek Komsuoğlu Celikyurt, Umut Celikyurt, Aygül Kına
There is significant increasing interest in phosphodiesterase-4 (PDE4) inhibition in treatment of cardiovascular diseases. Related with this, research has focused on cellular, biochemical, molecular and structural changes in heart tissue induced by PDE4s inhibitors. However, for their clinical applicability additional studies are still needed. Fourier transform infrared spectroscopy offers promising approach to contribute such issue due to its ability in detection the changes in biomolecules. By utilizing this method, we examined the effects of PDE4 inhibition by rolipram at 0...
August 24, 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/28724292/adsorption-of-proteins-on-colloidal-lignin-particles-for-advanced-biomaterials
#12
Timo Leskinen, Joanna Witos, Juan José Valle-Delgado, Kalle Lintinen, Mauri Kostiainen, Susanne K Wiedmer, Monika Österberg, Maija-Liisa Mattinen
Coating of colloidal lignin particles (CLPs), or lignin nanoparticles (LNPs), with proteins was evaluated in order to establish a safe, self-assembly mediated modification technique to tune their surface chemistry. Gelatin and poly- l-lysine formed the most pronounced protein corona on the CLP surface, as determined by dynamic light scattering (DLS) and zeta potential measurements. Spherical morphology of individual protein coated CLPs was confirmed by transmission electron (TEM) and atomic force (AFM) microscopy...
August 7, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28379477/strong-fgfr3-staining-is-a-marker-for-fgfr3-fusions-in-diffuse-gliomas
#13
Kirsi J Granberg, Matti Annala, Birgitta Lehtinen, Juha Kesseli, Joonas Haapasalo, Pekka Ruusuvuori, Olli Yli-Harja, Tapio Visakorpi, Hannu Haapasalo, Matti Nykter, Wei Zhang
Background: Inhibitors of fibroblast growth factor receptors (FGFRs) have recently arisen as a promising treatment option for patients with FGFR alterations. Gene fusions involving FGFR3 and transforming acidic coiled-coil protein 3 (TACC3) have been detected in diffuse gliomas and other malignancies, and fusion-positive cases have responded well to FGFR inhibition. As high FGFR3 expression has been detected in fusion-positive tumors, we sought to determine the clinical significance of FGFR3 protein expression level as well as its potential for indicating FGFR3 fusions...
September 1, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28273854/overexpression-of-transforming-acidic-coiled-coil%C3%A2-containing-protein-3-reflects-malignant-characteristics-and-poor-prognosis-of-glioma
#14
Ying Sun, Yu Tian, Guang-Zhi Wang, Shi-Hong Zhao, Bo Han, Yong-Li Li, Chuan-Lu Jiang
Gliomas are malignant primary brain tumors with poor prognosis. Recently, research was indicative of a tight connection between tumor malignancy and genetic alterations. Here, we propose an oncogenic implication of transforming acidic coiled-coil-containing protein 3 (TACC3) in gliomas. By comprehensively analyzing the Chinese glioma genome atlas (CGGA) and publicly available data, we demonstrated that TACC3 were overexpressed along with glioma grade and served as an independent negative prognostic biomarker for glioma patients...
March 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28192613/sniper-tacc3-induces-cytoplasmic-vacuolization-and-sensitizes-cancer-cells-to-bortezomib
#15
Nobumichi Ohoka, Katsunori Nagai, Norihito Shibata, Takayuki Hattori, Hiroshi Nara, Nobuo Cho, Mikihiko Naito
We previously developed a hybrid small molecule SNIPER (Specific and Nongenetic IAP-dependent Protein ERaser) against transforming acidic coiled-coil-3 (TACC3), SNIPER(TACC3), that induces proteasomal degradation of TACC3 protein. In this study, we found that SNIPER(TACC3) induces cytoplasmic vacuolization derived from endoplasmic reticulum (ER) and paraptosis-like cell death selectively in cancer cells. Mechanistic analysis suggests that accumulation of ubiquitylated protein aggregates that requires X-linked inhibitor of apoptosis protein (XIAP) induces ER stress, which results in ER-stress responses involving X-box binding protein-1 (XBP-1) and ER-derived vacuolization in cancer cells...
May 2017: Cancer Science
https://www.readbyqxmd.com/read/28109075/knockdown-of-tacc3-inhibits-the-proliferation-and-invasion-of-human-renal-cell-carcinoma-cells
#16
Feng Guo, Yaquan Liu
Transforming acidic coiled-coil protein 3 (TACC3) is a member of the TACC family and plays an important role in regulating cell mitosis, transcription and tumorigenesis. However, the expression pattern and roles of TACC3 in renal cell carcinoma (RCC) remain unclear. The aim of this study was to investigate the role of TACC3 in RCC. We demonstrated overexpression of TACC3 in human RCC cell lines at both RNA and protein levels. Moreover, knockdown of TACC3 repressed RCC cell proliferation, migration and invasion in vitro...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/27632071/topochemistry-optical-anisotropy-and-ft-ir-microspectroscopy-of-the-cocoon-of-lithurgus-chrysurus-hymenoptera-megachilidae
#17
Maria Luiza S Mello, Eli Heber M Dos Anjos, Benedicto de Campos Vidal, Jerome G Rozen
A previous study has not revealed the participation of a mucous component in the cocoon wall of the solitary bee, Lithurgus chrysurus, differing from the cocoon structure reported for many other bee species. However, uncertainty remains, because only the median and rear zones of this cocoon type have thus far been analyzed. Here, we studied the front zone of this cocoon, searching its components and their organization, to fill this knowledge gap. Topochemical assays, polarization microscopy and Fourier transform-infrared (FT-IR) microspectroscopy were used to study cross sections from L...
November 2016: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/27572091/knockdown-of-tacc3-inhibits-trophoblast-cell-migration-and-invasion-through-the-pi3k-akt-signaling-pathway
#18
Xiaojun Zhu, Qianqian Cao, Xia Li, Zhengping Wang
The insufficient invasion of trophoblasts is known to be correlated with the development of preeclampsia. Transforming acidic coiled‑coil protein 3 (TACC3), a member of the TACC domain family, is important in the regulation of cell differentiation, migration and invasion. However, the role of TACC3 in trophoblast function during placental development remains to be fully elucidated. The present study aimed to determine the expression and function of TACC3 in human placenta and to examine the underlying mechanisms...
October 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27559128/xenopus-tacc2-is-a-microtubule-plus-end-tracking-protein-that-can-promote-microtubule-polymerization-during-embryonic-development
#19
Erin L Rutherford, Leslie Carandang, Patrick T Ebbert, Alexandra N Mills, Jackson T Bowers, Laura Anne Lowery
Microtubule dynamics is regulated by plus end-tracking proteins (+TIPs), which localize to the plus ends of microtubules (MTs). We previously showed that TACC1 and TACC3, members of the transforming acidic coiled-coil protein family, can act as +TIPs to regulate MT dynamics in Xenopus laevis Here we characterize TACC2 as a +TIP that localizes to MT plus ends in front of EB1 and overlapping with TACC1 and TACC3 in multiple embryonic cell types. We also show that TACC2 can promote MT polymerization in mesenchymal cells but not neuronal growth cones, thus displaying cell-type specificity...
October 15, 2016: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/27506161/sauropsids-cornification-is-based-on-corneous-beta-proteins-a-special-type-of-keratin-associated-corneous-proteins-of-the-epidermis
#20
REVIEW
Lorenzo Alibardi
The evolution of the process of cornification in amniote epidermis from the general process of keratinization present in simple epithelia of anamniotes took place through the evolution of specialized intermediate filament (α) keratins, keratin-associated proteins (KAPs) and corneous proteins (CPs). The scanty information on the three-dimensional conformation of known KAPs and CPs indicate these proteins contain α-helix, random coiled, or beta sheets with different lengths and organizations. CP genes originated in a chromosome locus indicated as epidermal differentiation complex (EDC), and transformed the epidermal keratinization of anamniotes into the cornified epidermis and skin appendages of amniotes (claws, beaks, and feathers)...
September 2016: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
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