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https://www.readbyqxmd.com/read/28753556/inflammation-and-stem-markers-association-to-pim1-pim2-kinase-induced-tumors-in-breast-and-uterus
#1
Manuel-Pedro Jiménez-García, Antonio Lucena-Cacace, María-José Robles-Frías, Irene Ferrer, Maja Narlik-Grassow, Carmen Blanco-Aparicio, Amancio Carnero
The PIM family of Ser/Thr kinase proteins has been implicated in tumorigenesis at different levels. PIM proteins are overexpressed in several tumor types and have been associated with chemoresistance. However, their role in hormone-dependent female tissues has not been explored, especially in the uterus, breast and ovary. We generated conditional transgenic mice with confined expression of human PIM1 or PIM2 genes in these tissues. We characterized the tumoral response to these genetic alterations corroborating their role as oncogenes since they induce hyperproliferation in all tissues and tumors in mammary gland and uterus...
July 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28729093/pim-kinases-1-2-and-3-in-intracellular-lif-signalling-proliferation-and-apoptosis-in-trophoblastic-cells
#2
Stella Mary Photini, Wittaya Chaiwangyen, Maja Weber, Boodor Al-Kawlani, Rodolfo R Favaro, Udo Jeschke, Ekkehard Schleussner, Diana M Morales-Prieto, Udo R Markert
Proviral insertion in murine (PIM) lymphoma proteins are mainly regulated by the Janus Kinase/Signal Transducer Activator of Transcription (JAK/STAT) signaling pathway, which can be activated by members of the Interleukin-6 (IL-6) family, including Leukemia Inhibitory Factor (LIF). Aim of the study was to compare PIM1, PIM2 and PIM3 expression and potential cellular functions in human first and third trimester trophoblast cells, the immortalized first trimester extravillous trophoblast cell line HTR8/SVneo and the choriocarcinoma cell line JEG-3...
July 17, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28671859/being-underweight-is-an-independent-risk-factor-for-poor-outcomes-among-acutely-critically-ill-children
#3
Ming-Yin Chen, Yao-Jong Yang
BACKGROUND: Malnutrition is associated with impaired immune function; thus, nutrition status assessment is crucial in critical care medicine. We aimed to investigate the impact of being underweight or overweight on major sequelae and mortality among healthy children with an intensive care unit admission. METHODS: In this retrospective study, 282 patients aged 1 month to 18 years were enrolled on intensive care unit admission between 2011 and 2012. Children were excluded if they had underlying chronic diseases and were transferred to other hospitals or discharged against medical advice...
July 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28561737/synergistic-interactions-with-pi3k-inhibition-that-induce-apoptosis
#4
Yaara Zwang, Oliver Jonas, Casandra Chen, Mikael L Rinne, John G Doench, Federica Piccioni, Li Tan, Hai-Tsang Huang, Jinhua Wang, Young Jin Ham, Joyce O'Connell, Patrick Bhola, Mihir Doshi, Matthew Whitman, Michael Cima, Anthony Letai, David E Root, Robert S Langer, Nathanael Gray, William C Hahn
Activating mutations involving the PI3K pathway occur frequently in human cancers. However, PI3K inhibitors primarily induce cell cycle arrest, leaving a significant reservoir of tumor cells that may acquire or exhibit resistance. We searched for genes that are required for the survival of PI3K mutant cancer cells in the presence of PI3K inhibition by conducting a genome scale shRNA-based apoptosis screen in a PIK3CA mutant human breast cancer cell. We identified 5 genes (PIM2, ZAK, TACC1, ZFR, ZNF565) whose suppression induced cell death upon PI3K inhibition...
May 31, 2017: ELife
https://www.readbyqxmd.com/read/28469150/serum-anion-gap-at-admission-as-a-predictor-of-mortality-in-the-pediatric-intensive-care-unit
#5
Min Jung Kim, Yoon Hee Kim, In Suk Sol, Soo Yeon Kim, Jong Deok Kim, Ha Yan Kim, Kyung Won Kim, Myung Hyun Sohn, Kyu-Earn Kim
An accurate method to predict the mortality in the intensive care unit (ICU) patients has been required, especially in children. The aim of this study is to evaluate the value of serum anion gap (AG) for predicting mortality in pediatric ICU (PICU). We reviewed a data of 461 pediatric patients were collected on PICU admission. Corrected anion gap (cAG), the AG compensated for abnormal albumin levels, was significantly lower in survivors compared with nonsurvivors (p < 0.001). Multivariable logistic regression analysis identified the following variables as independent predictors of mortality; cAG (OR 1...
May 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28383407/comparison-of-the-pediatric-risk-of-mortality-pediatric-index-of-mortality-and-pediatric-index-of-mortality-2-models-in-a-pediatric-intensive-care-unit-in-china-a-validation-study
#6
COMPARATIVE STUDY
Jun Qiu, Xiulan Lu, Kewei Wang, Yimin Zhu, Chao Zuo, Zhenghui Xiao
This study was designed with the aim of comparing the performances of the pediatric risk of mortality (PRISM), pediatric index of mortality (PIM), and revised version pediatric index of mortality 2 (PIM2) models in a pediatric intensive care unit (PICU) in China.A total of 852 critically ill pediatric patients were recruited in the study between January 1 and December 31, 2014. The variables required to calculate PRISM, PIM, and PIM2 were collected. Mode l performance was evaluated by assessing the calibration and discrimination...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28306719/chromosome-19q13-disruption-alters-expressions-of-cyp2a7-mia-and-mia-rab4b-lncrna-and-contributes-to-fap-like-phenotype-in-apc-mutation-negative-familial-colorectal-cancer-patients
#7
Lai Fun Thean, Yu Hui Wong, Michelle Lo, Carol Loi, Min Hoe Chew, Choong Leong Tang, Peh Yean Cheah
Familial adenomatous polyposis (FAP) is an autosomal-dominantly inherited form of colorectal cancer (CRC) caused by mutation in the adenomatous polyposis coli (APC) gene. Our ability to exhaustively screen for APC mutations identify microsatellite-stable and APC-mutation negative familial CRC patients, enabling us to search for novel genes. We performed genome-wide scan on two affected siblings of one family and 88 ethnicity- and gender-matched healthy controls to identify deletions shared by the siblings. Combined loss of heterozygosity, copy number and allelic-specific copy number analysis uncovered 5 shared deletions...
2017: PloS One
https://www.readbyqxmd.com/read/28190740/protective-efficacy-of-a-lipid-antigen-vaccine-in-a-guinea-pig-model-of-tuberculosis
#8
Gérald Larrouy-Maumus, Emilie Layre, Simon Clark, Jacques Prandi, Emma Rayner, Marco Lepore, Gennaro de Libero, Ann Williams, Germain Puzo, Martine Gilleron
The bacillus Calmette Guérin (BCG) vaccine, the only licensed vaccine against TB, displays partial and variable efficacy, thus making the exploitation of novel vaccination strategies a major priority. Most of the current vaccines in pre-clinical or clinical development are based on the induction of T cells recognizing protein antigens. However, a large number of T cells specific for mycobacterial lipids are induced during infection, suggesting that lipid-based vaccines might represent an important component of novel sub-unit vaccines...
February 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28064305/upregulation-of-pim2-by-underexpression-of-microrna-135-5p-improves-survival-rates-of-skin-allografts-by-suppressing-apoptosis-of-fibroblast-cells
#9
Hongtu Zhang
BACKGROUND It has been reported that miR-135-5p is involved with many diseases. In this study, we aimed at define the relationship between miR-135-5p level and burn patient survival after skin transplantation. MATERIAL AND METHODS Expression of miR-135-5p and PIM2 was measured using real-time PCR and Western blot analysis in the skin samples collected from burn patients who received skin graft or in the fibroblast cells transfected with miR-135-5p mimics or inhibitors. The regulatory association between miR-135-5p and PIM2 was verified using bioinformatics analysis and luciferase assay...
January 8, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28008178/novel-inhibition-of-pim2-kinase-has-significant-anti-tumor-efficacy-in-multiple-myeloma
#10
J R Nair, J Caserta, K Belko, T Howell, G Fetterly, C Baldino, K P Lee
The PIM kinase family (PIM1, 2 and 3) have a central role in integrating growth and survival signals, and are expressed in a wide range of solid and hematological malignancies. We now confirm that PIM2 is overexpressed in multiple myeloma (MM) patients, and within MM group it is overexpressed in the high-risk MF subset (activation of proto-oncogenes MAF/MAFB). This is consistent with our finding of PIM2's role in key signaling pathways (IL-6, CD28 activation) that confer chemotherapy resistance in MM cells...
August 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27901106/the-role-of-pim1-pim2-kinases-in-tumors-of-the-male-reproductive-system
#11
Manuel Pedro Jiménez-García, Antonio Lucena-Cacace, María José Robles-Frías, Maja Narlik-Grassow, Carmen Blanco-Aparicio, Amancio Carnero
The PIM family of serine/threonine kinases has three highly conserved isoforms (PIM1, PIM2 and PIM3). PIM proteins are regulated through transcription and stability by JAK/STAT pathways and are overexpressed in hematological malignancies and solid tumors. The PIM kinases possess weak oncogenic abilities, but enhance other genes or chemical carcinogens to induce tumors. We generated conditional transgenic mice that overexpress PIM1 or PIM2 in male reproductive organs and analyzed their contribution to tumorigenesis...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27826617/expression-and-function-of-pim-kinases-in-osteosarcoma
#12
Shuai Mou, Guangbin Wang, Ding Ding, Dongdong Yu, Yi Pei, Songling Teng, Qin Fu
The provirus integrating site Moloney murine leukemia virus (PIM) family of serine/threonine protein kinases is composed of three members, PIM1, PIM2 and PIM3, which have been identified as oncoproteins in various malignancies. However, their role in osteosarcoma (OS) remains largely unknown. This study aimed to examine the expression patterns and the clinical significance of PIM kinases in human OS and their biological effects in human OS cell lines. Immunohistochemical staining was used to detect PIM kinases in archived pathologic material from 43 patients with primary OS; in addition, the effects of PIM knockdown and overexpression on the proliferation, migration and invasion of OS cell lines were determined...
November 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27664710/nras-nras-which-mutation-is-fairest-of-them-all
#13
Christine Grill, Lionel Larue
In 28% of melanomas, NRAS is mutated in one of two hotspots: G12 or Q61. Phosphoproteomic analysis of primary human melanocytes transduced with G12 and Q61 showed different phosphorylation events in the phosphoinositide 3-kinase (PI3K) and mitogen-activated protein kinase (MAPK) pathways. Surprisingly, NRAS(G12) modulates the PI3K pathway and overexpresses the kinase PIM2, whereas NRAS(Q61) is associated with the MAPK pathway and overexpression of CK2α.
October 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27564460/pim2-is-important-for-regulating-dna-damage-response-in-multiple-myeloma-cells
#14
J Ramachandran, L Santo, K T Siu, C Panaroni, N Raje
Pan proviral integrations of Moloney virus (PIM) inhibition in multiple myeloma (MM) results in reduced cell viability in tested human-derived MM cell lines and reduces tumor burden in xenograft mouse models, making PIMs important therapeutic targets for the disease. PIM kinase inhibitors are currently being tested clinically in MM. We sought to elucidate the role of the various PIMs in MM. Our data demonstrate that Pim2 has a significant role in MM cell cytotoxicity. Our data provide evidence for a novel role for Pim2 in the regulation of the DNA damage response (DDR)...
2016: Blood Cancer Journal
https://www.readbyqxmd.com/read/27448973/pim-kinases-as-therapeutic-targets-against-advanced-melanoma
#15
Batool Shannan, Andrea Watters, Quan Chen, Stefan Mollin, Markus Dörr, Eric Meggers, Xiaowei Xu, Phyllis A Gimotty, Michela Perego, Ling Li, Joseph Benci, Clemens Krepler, Patricia Brafford, Jie Zhang, Zhi Wei, Gao Zhang, Qin Liu, Xiangfan Yin, Katherine L Nathanson, Meenhard Herlyn, Adina Vultur
Therapeutic strategies for the treatment of metastatic melanoma show encouraging results in the clinic; however, not all patients respond equally and tumor resistance still poses a challenge. To identify novel therapeutic targets for melanoma, we screened a panel of structurally diverse organometallic inhibitors against human-derived normal and melanoma cells. We observed that a compound that targets PIM kinases (a family of Ser/Thr kinases) preferentially inhibited melanoma cell proliferation, invasion, and viability in adherent and three-dimensional (3D) melanoma models...
August 23, 2016: Oncotarget
https://www.readbyqxmd.com/read/27107179/sequence-based-analysis-of-5-utr-and-coding-regions-of-casp3-in-terms-of-mirsnps-and-snps-in-targetting-mirnas
#16
Sercan Ergun, Serdar Oztuzcu
Apoptosis is described as a mechanism of cell death occurring after adequate cellular harm. Deregulation of apoptosis occurs in many human conditions such as autoimmune disorders, ischemic damage, neurodegenerative diseases and different cancer types. Information relating miRNAs to cancer is increasing. miRNAs can affect development of cancer via many different pathways, including apoptosis. Polymorphisms in miRNA genes or miRNA target sites (miRSNPs) can change miRNA activity. Although polymorphisms in miRNA genes are very uncommon, SNPs in miRNA-binding sites of target genes are quite common...
June 2016: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/27045080/pkm2-thr454-phosphorylation-increases-its-nuclear-translocation-and-promotes-xenograft-tumor-growth-in-a549-human-lung-cancer-cells
#17
Zhenhai Yu, Liangqian Huang, Pengyun Qiao, Aifang Jiang, Li Wang, Tingting Yang, Shengjian Tang, Wei Zhang, Chune Ren
Pyruvate kinase M2 (PKM2) is a key enzyme of glycolysis which is highly expressed in many tumor cells, and plays an important role in the Warburg effect. In previous study, we found PIM2 phosphorylates PKM2 at Thr454 residue (Yu, etl 2013). However, the functions of PKM2 Thr454 modification in cancer cells still remain unclear. Here we find PKM2 translocates into the nucleus after Thr454 phosphorylation. Replacement of wild type PKM2 with a mutant (T454A) enhances mitochondrial respiration, decreases pentose phosphate pathway, and enhances chemosensitivity in A549 cells...
May 13, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/26965057/structural-basis-for-selective-recognition-of-acyl-chains-by-the-membrane-associated-acyltransferase-pata
#18
David Albesa-Jové, Zuzana Svetlíková, Montse Tersa, Enea Sancho-Vaello, Ana Carreras-González, Pascal Bonnet, Pedro Arrasate, Ander Eguskiza, Shiva K Angala, Javier O Cifuente, Jana Korduláková, Mary Jackson, Katarína Mikušová, Marcelo E Guerin
The biosynthesis of phospholipids and glycolipids are critical pathways for virtually all cell membranes. PatA is an essential membrane associated acyltransferase involved in the biosynthesis of mycobacterial phosphatidyl-myo-inositol mannosides (PIMs). The enzyme transfers a palmitoyl moiety from palmitoyl-CoA to the 6-position of the mannose ring linked to 2-position of inositol in PIM1/PIM2. We report here the crystal structures of PatA from Mycobacterium smegmatis in the presence of its naturally occurring acyl donor palmitate and a nonhydrolyzable palmitoyl-CoA analog...
2016: Nature Communications
https://www.readbyqxmd.com/read/26960717/soluble-urokinase-plasminogen-activator-receptor-a-new-biomarker-in-the-pediatric-intensive-care-unit
#19
Muhammad S El-Mekkawy, Nagwan Y Saleh, Ahmed A Sonbol
OBJECTIVE: To evaluate the value of soluble urokinase plasminogen activator receptor (suPAR) in diagnosing sepsis and predicting mortality in critically ill children. METHODS: In a prospective cohort study, 69 critically ill children admitted into the pediatric intensive care unit (PICU) were randomly enrolled in addition to 15 healthy children as a control group. Clinical examination was performed, including calculation of the Pediatric Risk of Mortality (PRISM) and Pediatric Index of Mortality2 (PIM2)...
July 2016: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/26874332/combining-chemical-and-genetic-approaches-for-development-of-responsive-fret-based-sensor-systems-for-protein-kinases
#20
Ganesh Babu Manoharan, Erki Enkvist, Asko Uri
Chemical and genetic approaches were combined for the development of responsive FRET-based sensor systems for protein kinases, using PIM2 as the model kinase. Fusions of PIM2 and a red fluorescent protein, TagRFP were expressed in mammalian cells and small-molecule ARC-Lum photoluminescent probes possessing different phosphorescent and fluorescent properties were constructed. Based on a variety of Förster-type resonant energy transfer (FRET) mechanisms (including intermolecular or intramolecular energy transfer and transfer between singlet-singlet or triplet-singlet electronic states of interacting luminophores) of the probe and that of the fluorescently tagged PIM2, FRET-based sensor systems were constructed...
April 2016: Biophysical Chemistry
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