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Cancer and THR

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https://www.readbyqxmd.com/read/28323037/a-phosphorylation-wide-sncrna-screen-reveals-protein-functional-effector-sncrnas-pfernas-in-human-lung-somatic-cells
#1
Tyler Gable, Yuyan Wang, David Clark, Priti Kumari, Amol Carl Shetty, Li Mao, Yuping Mei
We recently reported that PIWI-interacting RNAs likes (piR-Ls) could regulate functions of the interacting phosphorylated proteins (p-Proteins). In addition, except for writers and erasers, functional efficacy of p-Proteins on their readers still remains unknown. We, therefore, reasoned there was a type of sncRNAs which could regulate functional efficacy of p-Proteins. Here, we profiled sncRNAs interacting with phosphorylated -Ser, -Thr and -Tyr residues in 3 HBE and 4 lung SCC cell lines, investigated effects and mechanisms of phosphorylated-residue-interacting sncRNAs...
March 16, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28289588/mutational-analysis-of-mitochondrial-trna-genes-in-patients-with-lung-cancer
#2
Z F He, L C Zheng, D Y Xie, S S Yu, J Zhao
Mutations in mitochondrial tRNA (mt-tRNA) genes have been found to be associated with various diseases including lung cancer. To understand the possible relationship between mtRNA mutations and lung cancer, we sequenced the 22 mt-tRNA genes from 200 lung cancer blood samples, as well as 100 healthy subjects. As a result, five mutations were identified including the tRNA(Ala) T5655C, tRNA(Arg) T10454C, tRNA(Leu(CUN)) A12330G, tRNA(Ser(UCN)) T7505C and tRNA(Thr) G15927A. These mutations were absent in the healthy subjects...
December 1, 2016: Balkan Journal of Medical Genetics: BJMG
https://www.readbyqxmd.com/read/28261437/outcome-after-surgery-for-metastases-to-the-pelvic-bone-a-single-institutional-experience
#3
Chandra Kumar Krishnan, Ilkyu Han, Han-Soo Kim
BACKGROUND: The pelvic bone is the most common site of bone metastases following the axial skeleton. Surgery on the pelvic bone is a demanding procedure. Few studies have been published on the surgical outcomes of metastasis to the pelvic bone with only small numbers of patients involved. This study sought to analyze the complications, local progression and survival after surgery for metastasis to the pelvic bone on a larger cohort of patients. METHODS: We analyzed 83 patients who underwent surgery for metastases to the pelvic bone between the years 2000 and 2015...
March 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28236970/ck1-in-developmental-signaling-hedgehog-and-wnt
#4
Jin Jiang
The casein kinase 1 (CK1) family of serine (Ser)/threonine (Thr) protein kinases participates in a myriad of cellular processes including developmental signaling. Hedgehog (Hh) and Wnt pathways are two major and evolutionarily conserved signaling pathways that control embryonic development and adult tissue homeostasis. Deregulation of these pathways leads to many human disorders including birth defects and cancer. Here, I review the role of CK1 in the regulation of Hh and Wnt signal transduction cascades from the membrane reception systems to the transcriptional effectors...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28209983/generation-and-quantitative-proteomics-analysis-of-ck2%C3%AE-%C3%AE-cells
#5
Christian Borgo, Cinzia Franchin, Stefano Scalco, Valentina Bosello-Travain, Arianna Donella-Deana, Giorgio Arrigoni, Mauro Salvi, Lorenzo A Pinna
CK2 is a ubiquitous, constitutively active, highly pleiotropic, acidophilic Ser/Thr protein kinase whose holoenzyme is composed of two catalytic (α and/or α') subunits and a dimer of a non-catalytic β subunit. Abnormally high CK2 level/activity is often associated with malignancy and a variety of cancer cells have been shown to rely on it to escape apoptosis. To gain information about the actual "druggability" of CK2 and to dissect CK2 dependent cellular processes that are instrumental to the establishment and progression of neoplasia we have exploited the CRISPR/Cas9 genome editing technology to generate viable clones of C2C12 myoblasts devoid of either both the CK2 catalytic subunits or its regulatory β-subunit...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28203298/prolyl-isomerase-pin1-and-neurotrophins-a-loop-that-may-determine-the-fate-of-cells-in-cancer-and-neurodegeneration
#6
REVIEW
Francesco Angelucci, Jakub Hort
Increased survival, differentiation, and apoptotic death are common mechanisms relevant for both cancer and neurodegenerative diseases. Although these disorders are characterized by different manifestations, it appears that a common mechanism may be present which directs the fate of a cell to either degeneration or proliferation. There are two classes of proteins that have been extensively investigated in these diseases but their possible interaction during signal transduction has not been studied. Prolyl isomerase Pin1 is an enzyme which translates Ser/Thr-Pro phosphorylation into conformational changes able to modify the activities of its substrates...
January 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28184937/rhein-exhibits-antitumorigenic-effects-by-interfering-with-the-interaction-between-prolyl-isomerase-pin1-and-c-jun
#7
Jin Hyoung Cho, Jung-Il Chae, Jung-Hyun Shim
The Pin1 protein (or peptidyl-prolyl cis/trans isomerase) specifically catalyzes the cis/trans isomerization of phosphorylated serine/threonine-proline (Ser/Thr-Pro) bonds and plays an important role in many cellular events through the effects of conformational change in the function of c-Jun, its biological substrate. Pin1 expression is involved in essential cellular pathways that mediate cell proliferation, cell cycle progression, tumorigenesis and apoptosis by altering their stability and function, and it is overexpressed in various types of tumors...
March 2017: Oncology Reports
https://www.readbyqxmd.com/read/28179998/phlpp-regulates-hexokinase-2-dependent-glucose-metabolism-in-colon-cancer-cells
#8
Xiaopeng Xiong, Yang-An Wen, Mihail I Mitov, Mary C Oaks, Shigeki Miyamoto, Tianyan Gao
Increased glucose metabolism is considered as one of the most important metabolic alterations adapted by cancer cells in order to generate energy as well as high levels of glycolytic intermediates to support rapid proliferation. PH domain leucine-rich repeat protein phosphatase (PHLPP) belongs to a novel family of Ser/Thr protein phosphatases that function as tumor suppressors in various types of human cancer. Here we determined the role of PHLPP in regulating glucose metabolism in colon cancer cells. Knockdown of PHLPP increased the rate of glucose consumption and lactate production, whereas overexpression of PHLPP had the opposite effect...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28167869/bearings-in-hip-arthroplasty-joint-registries-vs-precision-medicine-review-article
#9
REVIEW
Mark J Pearson, Liam M Grover, Janet M Lord, Simon W Jones, Edward T Davis
BACKGROUND: Precision medicine has been adopted in a range of clinical settings where omics data have led to greater characterisation of disease and stratification of patients into subcategories of phenotypes and pathologies. However, in orthopaedics, precision medicine lags behind other disciplines such as cancer. Joint registries have now amassed a huge body of data pertaining to implant performance which can be broken down into performance statistics for different material types in different cohorts of patients...
February 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28156479/using-patient-reported-outcomes-to-assess-the-effectiveness-of-topical-hormonal-replacement-therapy-thr-for-vaginal-complaints-vc-after-anti-hormonal-therapy-ht-treatment-for-breast-cancer-bc
#10
Namratha Reddy Vontela, Justin Gatwood, Mark Stephen Walker, Edward J Stepanski, Gregory A Vidal
77 Background: THR is sometimes used for treatment of VC in BC patients previously treated with HT. The safety of this practice remains a question but the effectiveness of this strategy has not been reported. METHODS: We conducted a retrospective analysis of patient reported symptoms at the West Cancer Center (WCC) between 2002 and 2014. Early stage BC patients previously treated with HT with reported VC ± THR were statistically matched 1:1 using propensity score matching with calipers of 0...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28110670/galnt6-stabilizes-grp78-protein-by-o-glycosylation-and-enhances-its-activity-to-suppress-apoptosis-under-stress-condition
#11
Jiaying Lin, Suyoun Chung, Koji Ueda, Koichi Matsuda, Yusuke Nakamura, Jae-Hyun Park
We previously reported that overexpression of an O-type glycosyltransferase, GALNT6 (polypeptide N-acetylgalactosaminyltransferase 6) played critical roles in mammary carcinogenesis. To further investigate the biological function of GALNT6, we screened a substrate protein(s) of GALNT6 using a VVA (Vicia villosa agglutinin) lectin (specific to GalNAc-Ser/Thr) pull-down method followed by mass spectrometry analysis. Here we report GRP78 (glucose-regulated protein 78, also known as HSPA5, heat shock 70 kDa protein 5), which is highly expressed in cancer cells and indicated to play important roles in various cellular processes including ER (endoplasmic reticulum) stress and autophagy, as a novel substrate of GALNT6...
January 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28099142/the-pentapeptide-gly-thr-gly-lys-thr-confers-sensitivity-to-anti-cancer-drugs-by-inhibition-of-cage-binding-to-gsk3%C3%AE-and-decreasing-the-expression-of-cyclind1
#12
Youngmi Kim, Hyuna Kim, Deokbum Park, Hansoo Lee, Yun Sil Lee, Jongseon Choe, Young Myeong Kim, Doyong Jeon, Dooil Jeoung
We previously reported the role of cancer/testis antigen CAGE in the response to anti-cancer drugs. CAGE increased the expression of cyclinD1, and pGSK3βSer9, an inactive GSK3β, while decreasing the expression of phospho-cyclinD1Thr286. CAGE showed binding to GSK3β and the domain of CAGE (amino acids 231-300) necessary for binding to GSK3β and for the expression regulation of cyclinD1 was determined. 269GTGKT273 peptide, corresponding to the DEAD box helicase domain of CAGE, decreased the expression of cyclinD1 and pGSK3βSer9 while increasing the expression of phospho-cyclinD1Thr286...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088493/apoptosis-induced-by-the-methanol-extract-of-salvia-miltiorrhiza-bunge-in-non-small-cell-lung-cancer-through-pten-mediated-inhibition-of-pi3k-akt-pathway
#13
Yin-Tao Ye, Wei Zhong, Pei Sun, Dong Wang, Chen Wang, Li-Min Hu, Jun-Qiang Qian
ETHNOPHARMACOLOGICAL RELEVANCE: Salvia miltiorrhiza Bunge, a well-known traditional Chinese medicinal (TCM) plant, has been used to treat cardiovascular diseases since thousands of years. Many studies reported that the active component tanshinones displayed a variety of biological activities: anti-thrombous, anti-allergic, anti-inflammatory, antioxidant and anti-tumor promoting. But the mechanism of how the active components working still need to be clarified. The anti-tumor effect of compounds of tanshinone (CTN), the methanol extract of Salvia miltiorrhiza Bunge roots, was investigated...
March 22, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28074910/myosin-phosphatase-and-rhoa-activated-kinase-modulate-arginine-methylation-by-the-regulation-of-protein-arginine-methyltransferase-5-in-hepatocellular-carcinoma-cells
#14
Adrienn Sipos, Judit Iván, Bálint Bécsi, Zsuzsanna Darula, István Tamás, Dániel Horváth, Katalin F Medzihradszky, Ferenc Erdődi, Beáta Lontay
Myosin phosphatase (MP) holoenzyme is a protein phosphatase-1 (PP1) type Ser/Thr specific enzyme that consists of a PP1 catalytic (PP1c) and a myosin phosphatase target subunit-1 (MYPT1). MYPT1 is an ubiquitously expressed isoform and it targets PP1c to its substrates. We identified the protein arginine methyltransferase 5 (PRMT5) enzyme of the methylosome complex as a MYPT1-binding protein uncovering the nuclear MYPT1-interactome of hepatocellular carcinoma cells. It is shown that PRMT5 is regulated by phosphorylation at Thr80 by RhoA-associated protein kinase and MP...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28063352/a-tumor-targeted-activatable-phthalocyanine-tetrapeptide-doxorubicin-conjugate-for-synergistic-chemo-photodynamic-therapy
#15
Mei-Rong Ke, Shao-Fang Chen, Xiao-Hui Peng, Qiao-Feng Zheng, Bi-Yuan Zheng, Chih-Kuang Yeh, Jian-Dong Huang
Chemo-photodynamic therapy is a promising strategy for cancer treatments. However, it remains a challenge to develop a chemo-photodynamic therapeutic agent with little side effect, high tumor-targeting, and efficient synergistic effect simultaneously. Herein, we report a zinc(II) phthalocyanine (ZnPc)-doxorubicin (DOX) prodrug linked with a fibroblast activation protein (FAP)-responsive short peptide with the sequence of Thr-Ser-Gly-Pro for chemo-photodynamic therapy. In the conjugate, both photosensitizing activity of ZnPc and cytotoxicity of DOX are inhibited obviously...
February 15, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28035373/cancer-associated-peritoneal-mesothelial-cells-lead-the-formation-of-pancreatic-cancer-peritoneal-dissemination
#16
Toshiya Abe, Kenoki Ohuchida, Kazuhiro Koikawa, Sho Endo, Takashi Okumura, Masafumi Sada, Kohei Horioka, Biao Zheng, Taiki Moriyama, Kohei Nakata, Yoshihiro Miyasaka, Tatsuya Manabe, Takao Ohtsuka, Eishi Nagai, Kazuhiro Mizumoto, Makoto Hashizume, Masafumi Nakamura
The interaction between the cancer cells and the peritoneal mesothelial cells (PMCs) plays an important role in the peritoneal dissemination in several types of cancer. However, the role of PMCs in the peritoneal dissemination of pancreatic cancer remains unclear. In the present study, we investigated the interaction between the pancreatic cancer cells (PCCs) and the PMCs in the formation of peritoneal dissemination in vitro and in vivo. The tumor-stromal interaction of PCCs and PMCs significantly enhanced their mobility and invasiveness and enhanced the proliferation and anoikis resistance of PCCs...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28034642/insights-into-the-mechanism-of-apoptin-s-exquisitely-selective-anti-tumor-action-from-atomic-level-characterization-of-its-conformation-and-dynamics
#17
Santiago Ruiz-Martínez, David Pantoja-Uceda, Jessica Castro, Maria Vilanova, Marc Ribó, Marta Bruix, Antoni Benito, Douglas V Laurents
Apoptin is a 121 residue protein which forms large, soluble aggregates and possesses an exceptionally selectively cytotoxic action on cancer cells. In the accompanying paper, we described the design, production and initial characterization of an Apoptin truncated variant called H6-ApopΔProΔLeu. Whereas both the variant and wild type protein possess similar selective cytotoxicity against cancer cells following transfection, only the variant is cytotoxic when added externally. Remarkably, as observed by gel filtration chromatography and dynamic light scattering, H6-ApopΔProΔLeu lacks the tendency of wild type Apoptin to form large aggregates, which greatly facilitated the study of its biological properties...
January 15, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28018099/understanding-the-role-of-pin1-in-hepatocellular-carcinoma
#18
REVIEW
Chi-Wai Cheng, Ka-Wai Leong, Eric Tse
PIN1 is a peptidyl-prolyl cis/trans isomerase that binds and catalyses isomerization of the specific motif comprising a phosphorylated serine or threonine residue preceding a proline (pSer/Thr-Pro) in proteins. PIN1 can therefore induce conformational and functional changes of its interacting proteins that are regulated by proline-directed serine/threonine phosphorylation. Through this phosphorylation-dependent prolyl isomerization, PIN1 fine-tunes the functions of key phosphoproteins (e.g., cyclin D1, survivin, β-catenin and x-protein of hepatitis B virus) that are involved in the regulation of cell cycle progression, apoptosis, proliferation and oncogenic transformation...
December 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27982018/sio2-antisense-molecules-covered-by-nepetalactone-extracted-from-nepeta-gloeocephala-inhibits-ilk-phosphorylation-and-downstream-pkb-akt-signaling-in-hela-cells
#19
M Dehghany Ashkezary, F Aboee-Mehrizi, P Moradi
In this study, the anticancer property of SiO2@antisense molecules (SiO2@AMs) and SiO2@AM covered by nepetalactone (SiO2@AM/CN), extracted from Nepeta gloeocephala, was investigated. Here integrin-linked kinase (ILK) phosphorylation and protein kinase B/AKT (PKB/AKT) signaling was studied when HeLa cells were exposed to SiO2@AM and SiO2@AM/CN. First, N. gloeocephala was identified at the Iranian National Herbarium. Then, its essential oil (EO) was obtained by the hydrodistillation method. In the next step, 4aα,7α,7aα-nepetalactone was extracted from the EO, based on the spectroscopic data...
December 16, 2016: Cancer Gene Therapy
https://www.readbyqxmd.com/read/27956712/induction-of-integrin-signaling-by-steroid-sulfatase-in-human-cervical-cancer-cells
#20
Dong-Jin Ye, Yeo-Jung Kwon, Sangyun Shin, Hyoung-Seok Baek, Dong-Won Shin, Young-Jin Chun
Steroid sulfatase (STS) is an enzyme responsible for the hydrolysis of aryl and alkyl sulfates. STS plays a pivotal role in the regulation of estrogens and androgens that promote the growth of hormone-dependent tumors, such as those of breast or prostate cancer. However, the molecular function of STS in tumor growth is still not clear. To elucidate the role of STS in cancer cell proliferation, we investigated whether STS is able to regulate the integrin signaling pathway. We found that overexpression of STS in HeLa cells increases the protein and mRNA levels of integrin β1 and fibronectin, a ligand of integrin α5β1...
December 13, 2016: Biomolecules & Therapeutics
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