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https://www.readbyqxmd.com/read/27924828/rpl3-promotes-the-apoptosis-of-p53-mutated-lung-cancer-cells-by-down-regulating-cbs-and-nf%C3%AE%C2%BAb-upon-5-fu-treatment
#1
Annapina Russo, Assunta Saide, Roberta Cagliani, Monica Cantile, Gerardo Botti, Giulia Russo
5-FU is a chemotherapy drug commonly used for the treatment of human cancers; however drug resistance represents a major challenge for its clinical application. In the present study, we reporte that rpL3 induced by 5-FU treatment in Calu-6 cells represses CBS transcription and reduces CBS protein stability leading to a decrease of CBS protein levels. rpL3 also regulates negatively the activation of NFκB by preventing NFκB nuclear translocation through IκB-α up-regulation. Furthermore, we demonstrate that rpL3 significantly enhances the apoptosis of 5-FU treated Calu-6 cells promoting the overexpression of the pro-apoptotic proteins Bax and the inhibition of the anti-apoptotic protein Bcl-2...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924297/datasets-for-the-validation-of-the-in-vivo-sirna-silencing-of-cd40-and-for-the-detection-of-new-markers-of-atherosclerosis-progression-in-apoe-deficient-mice
#2
Miguel Hueso, Laura De Ramon, Estanislao Navarro, Elia Ripoll, Josep M Cruzado, Josep M Grinyo, Joan Torras
Data presented in this Data in Brief article correspond to the article "in vivo" silencing of CD40 reduces progression of experimental atherogenesis through a NFκB/miR-125b axis and reveals new potential mediators in the pathogenesis of atherosclerosis" (M. Hueso, L. De Ramon, E. Navarro, E. Ripoll, J.M. Cruzado, J.M. Grinyo, J. Torras, 2016) [1]. Here, we describe the validation of the silencing of CD40 expression with a specific siRNA in ApoE(-/-) mouse aortas, and its systemic effects on splenic lymphocytic subpopulations as well as on the infiltration of aortic intima by F4/80(+), galectin-3(+) macrophages or by NF-κB(+) cells...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27923595/vitamin-d-compounds-inhibit-cancer-stem-like-cells-and-induce-differentiation-in-triple-negative-breast-cancer
#3
REVIEW
Naing Lin Shan, Joseph Wahler, Hong Jin Lee, Min Ji Bak, Soumyasri Das Gupta, Hubert Maehr, Nanjoo Suh
Triple-negative breast cancer is one of the least responsive breast cancer subtypes to available targeted therapies due to the absence of hormonal receptors, aggressive phenotypes, and the high rate of relapse. Early breast cancer prevention may therefore play an important role in delaying the progression of triple-negative breast cancer. Cancer stem cells are a subset of cancer cells that are thought to be responsible for tumor progression, treatment resistance, and metastasis. We have previously shown that vitamin D compounds, including a Gemini vitamin D analog BXL0124, suppress progression of ductal carcinoma in situ in vivo and inhibit cancer stem-like cells in MCF10DCIS mammosphere cultures...
December 3, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27923344/oxidative-stress-and-inflammation-in-retained-placenta-a-pilot-study-of-protein-and-gene-expression-of-gpx1-and-nf%C3%AE%C2%BAb
#4
Margit Endler, Sissel Saltvedt, Mohamed Eweida, Helena Åkerud
BACKGROUND: Retained placenta is associated with severe postpartum hemorrhage. Its etiology is unknown and its biochemistry has not been studied. We aimed to assess whether levels of the antioxidative enzyme Glutathione Peroxidase 1 (GPX1) and the transcription factor Nuclear Factor κβ (NFκβ), as markers of oxidative stress and inflammation, were affected in retained placentas compared to spontaneously released placentas from otherwise normal full term pregnancies. METHODS: In a pilot study we assessed concentrations of GPX1 by ELISA and gene (mRNA) expression of GPX1, NFκβ and its inhibitor Iκβα, by quantitative real-time-PCR in periumbilical and peripheral samples from retained (n = 29) and non-retained (n = 31) placental tissue...
December 6, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27920156/nf%C3%AE%C2%BAb-induced-periostin-activates-integrin-%C3%AE-3-signaling-to-promote-renal-injury-in-gn
#5
Niki Prakoura, Panagiotis Kavvadas, Raphaёl Kormann, Jean-Claude Dussaule, Christos E Chadjichristos, Christos Chatziantoniou
De novo expression in the kidney of periostin, a protein involved in odontogenesis and osteogenesis, has been suggested as a biomarker of renal disease. In this study, we investigated the mechanism(s) of induction and the role of periostin in renal disease. Using a combination of bioinformatics, reporter assay, and chromatin immunoprecipitation analyses, we found that NFκB and other proinflammatory transcription factors induce periostin expression in vitro and that binding of these factors on the periostin promoter is enriched in glomeruli during experimental GN...
December 5, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27918081/st1926-attenuates-steroid-induced-osteoporosis-in-rats-by-inhibiting-inflammation-response
#6
Hong-Xing Zhao, Yuan-Xia Huang, Jin-Gang Tao
Steroid, also known as glucocorticoid, induced osteonecrosis of the femoral head in young adults, which has been a challenging disorder for the frequent incidence of collapse of femoral head, leading to dysfunction of hip joint and impairing life quality of human. Bioavailable and less toxic synthetic retinoids, such as the atypical adamantyl retinoid ST1926, have been developed and investigated in clinical trials for many diseases. Serum lipid-related indicators were assessed to elucidate the role of ST1926 in regulating lipid metabolism...
December 5, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27917175/nuclear-localization-of-suppressor-of-cytokine-signaling-1-regulates-local-immunity-in-the-lung
#7
Jana Zimmer, Michael Weitnauer, Sébastien Boutin, Günter Küblbeck, Sabrina Thiele, Patrick Walker, Felix Lasitschka, Lars Lunding, Zane Orinska, Christina Vock, Bernd Arnold, Michael Wegmann, Alexander Dalpke
Suppressor of cytokine signaling 1 (SOCS1) is a negative feedback inhibitor of cytoplasmic Janus kinase and signal transducer and activator of transcription (STAT) signaling. SOCS1 also contains a nuclear localization sequence (NLS), yet, the in vivo importance of nuclear translocation is unknown. We generated transgenic mice containing mutated Socs1ΔNLS that fails to translocate in the cell nucleus (MGL(tg) mice). Whereas mice fully deficient for SOCS1 die within the first 3 weeks due to excessive interferon signaling and multiorgan inflammation, mice expressing only non-nuclear Socs1ΔNLS (Socs1(-/-)MGL(tg) mice) were rescued from early lethality...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27911568/nf%C3%AE%C2%BAb-mediates-mesenchymal-transition-remodeling-and-pulmonary-fibrosis-in-response-to-chronic-inflammation-by-viral-rna-patterns
#8
Bing Tian, Igor Patrikeev, Lorenzo Ochoa, Gracie Vargas, KarryAnne K Belanger, Julia Litvinov, Istvan Boldogh, Bill T Ameredes, Massoud Motamedi, Allan R Brasier
Airway remodeling is resultant of a complex multi-cellular response associated with a progressive decline of pulmonary function in patients with chronic airway disease. Here, repeated infections with respiratory viruses are linked with airway remodeling through largely unknown mechanisms. Although acute activation of the Toll like receptor (TLR)3 pathway by extracellular poly(I:C) induces innate signaling through the NFkB transcription factor in human small airway epithelial cells (hSAECs), prolonged (repetitive or tonic) poly(I:C) stimulation produces chronic stress fiber formation, mesenchymal transition and activation of a fibrotic program...
December 2, 2016: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/27909439/the-a-allele-of-the-single-nucleotide-polymorphism-rs630923-creates-a-binding-site-for-mef2c-resulting-in-reduced-cxcr5-promoter-activity-in-b-cell-lymphoblastic-cell-lines
#9
Nikita A Mitkin, Alisa M Muratova, Anton M Schwartz, Dmitry V Kuprash
Chemokine receptor CXCR5 is highly expressed in B-cells and under normal conditions is involved in their migration to specific areas of secondary lymphoid organs. B-cells are known to play an important role in various autoimmune diseases including multiple sclerosis (MS) where areas of demyelinating lesions attract B-cells by overexpressing CXCL13, the CXCR5 ligand. In this study, we aimed to determine the functional significance of single-nucleotide polymorphism rs630923 (A/C), which is located in cxcr5 gene promoter, and its common allele is associated with increased risk of MS...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27905026/native-matrix-based-human-lung-alveolar-tissue-model-in-vitro-studies-of-the-reparatory-actions-of-mesenchymal-stem-cells
#10
Ieva Bruzauskaite, Jovile Raudoniute, Jaroslav Denkovskij, Edvardas Bagdonas, Sandra Meidute-Abaraviciene, Vaida Simonyte, Daiva Bironaite, Almantas Siaurys, Eiva Bernotiene, Ruta Aldonyte
Studies of lung diseases in vitro often rely on flat, plastic-based monocultures, due to short lifespan of primary cells, complicated anatomy, lack of explants, etc. We hereby present a native 3D model with cues for repopulating epithelial cells. Abilities of mesenchymal stem cells (MSC) to modulate bacterial lipopolysaccharide (LPS) and cigarette smoke-induced injury to pulmonary epithelium were tested in our model. Post-mortem human lung tissue was sliced, cut and decellularized. Resulting matrix pads were reseeded with pulmonary epithelium (A549 line)...
December 1, 2016: Cytotechnology
https://www.readbyqxmd.com/read/27904678/mir-221-promotes-growth-and-invasion-of-hepatocellular-carcinoma-cells-by-constitutive-activation-of-nf%C3%AE%C2%BAb
#11
Zimin Liu, Chenghong Wang, Xuelong Jiao, Shanna Zhao, Xudong Liu, Yun Wang, Jian Zhang
BACKGROUND AND OBJECTIVE: microRNAs (miRs) are small noncoding RNAs that modulate a variety of cellular processes by regulating multiple targets, which can promote or inhibit the development of malignant behaviors. Accumulating evidence suggests that microRNA-221 (miR-221) plays important roles in human carcinogenesis. It has recently found that miR-221 was overexpressed in hepatocellular carcinoma (HCC), and overexpression of miR-221 has a bad prognosis in these patients. Thus, down-regulation of miR-221 expression in HCC would provide new treatment approaches...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904654/augmentation-of-histone-deacetylase-3-hdac3-epigenetic-signature-at-the-interface-of-proinflammation-and-insulin-resistance-in-patients-with-type-2-diabetes
#12
Chandrakumar Sathishkumar, Paramasivam Prabu, Mahalingam Balakumar, Raji Lenin, Durai Prabhu, Ranjith Mohan Anjana, Viswanathan Mohan, Muthuswamy Balasubramanyam
BACKGROUND: A role of proinflammation has been implicated in the pathogenesis of diabetes, but the up-stream regulatory signals and molecular signatures are poorly understood. While histone modifications such as changes in histone deacetylase (HDAC) are emerging as novel epigenetic biomarkers, there is lack of studies to demonstrate their clinical relevance in diabetes. Therefore, we investigated the extent of HDAC machinery and inflammatory signals in peripheral blood mononuclear cells (PBMCs) from patients with type 2 diabetes mellitus (T2DM) compared to control subjects...
2016: Clinical Epigenetics
https://www.readbyqxmd.com/read/27903798/lubac-modulates-lmp1-activation-of-nf%C3%AE%C2%BAb-and-irf7
#13
Ling Wang, Yujia Wang, Juan Zhao, Junping Ren, Kenton H Hall, Jonathan P Moorman, Zhi Q Yao, Shunbin Ning
: Recently, Linear Ubiquitin Assembly Complex (LUBAC)-mediated linear ubiquitination has come into focus due to its emerging role in activation of NFκB in different biological contexts. However, the role of LUBAC in LMP1 signaling leading to NFκB and IRF7 activation has not been investigated. We have shown here that RNF31, the key component of LUBAC complex, interacts with LMP1 and IRF7 in EBV-transformed cells, and that LUBAC stimualtes linear ubiquitination of NEMO and IRF7. Consequently, LUBAC is required for LMP1 signaling to full activation of NFκB, but inhibits LMP1-stimulated IRF7 transcriptional activity...
November 30, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27902973/cd147-regulates-extrinsic-apoptosis-in-spermatocytes-by-modulating-nf%C3%AE%C2%BAb-signaling-pathways
#14
Chaoqun Wang, Kin Lam Fok, Zhiming Cai, Hao Chen, Hsiao Chang Chan
CD147 null mutant male mice are infertile with arrested spermatogenesis and increased apoptotic germ cells. Our previous studies have shown that CD147 prevents apoptosis in mouse spermatocytes but not spermatogonia. However, the underlying mechanism remains elusive. In the present study, we aim to determine the CD147-regulated apoptotic pathway in mouse spermatocytes. Our results showed that immunodepletion of CD147 triggered apoptosis through extrinsic apoptotic pathway in mouse testis and spermatocyte cell line (GC-2 cells), accompanied by activation of non-canonical NFκB signaling and suppression of canonical NFκB signaling...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27902485/impacts-of-cigarette-smoking-on-immune-responsiveness-up-and-down-or-upside-down
#15
REVIEW
Feifei Qiu, Chun-Ling Liang, Huazhen Liu, Yu-Qun Zeng, Shaozhen Hou, Song Huang, Xiaoping Lai, Zhenhua Dai
Cigarette smoking is associated with numerous diseases and poses a serious challenge to the current healthcare system worldwide. Smoking impacts both innate and adaptive immunity and plays dual roles in regulating immunity by either exacerbation of pathogenic immune responses or attenuation of defensive immunity. Adaptive immune cells affected by smoking mainly include T helper cells (Th1/Th2/Th17), CD4+CD25+ regulatory T cells, CD8+ T cells, B cells and memory T/B lymphocytes while innate immune cells impacted by smoking are mostly DCs, macrophages and NK cells...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27899301/role-for-nf-%C3%AE%C2%BAb-inflammatory-signalling-pathway-in-tenofovir-disoproxil-fumarate-tdf-induced-renal-damage-in-rats
#16
Hemalatha Ramamoorthy, Premila Abraham, Bina Isaac, Dhayakani Selvakumar
Nephrotoxicity due to tenofovir treatment of HIV patients has been reported. However, the mechanism of tenofovir nephrotoxicity is not clear. NFκB is an important proinflammatory transcription factor that plays a pivotal role in oxidative stress-induced inflammation. We hypothesized that NFκB proinflammatory signalling pathway may play a role in tenofovir induced renal damage. Renal damage was induced in adult male Wistar rats by the oral administration of 600 mg/kg body wt. daily for 5 consecutive weeks...
November 27, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27898347/human-amniotic-epithelial-cells-inhibit-cd4-t-cell-activation-in-acute-kidney-injury-patients-by-influencing-the-mir-101-c-rel-il-2-pathway
#17
Junfeng Liu, Rong Hua, Zhangbin Gong, Bin Shang, Yongyi Huang, Lihe Guo, Te Liu, Jun Xue
In the pathogenesis of acute kidney injury (AKI), the release of multiple interleukins can lead to increased kidney damage. Human amniotic epithelial cells (HuAECs) can inhibit immune cell activation in vivo and in vitro. We hypothesized that HuAECs could weaken patient-derived peripheral blood CD4+ T-cell activation and decreasing the ability of these cells to express and release IL-2. -Cell proliferation assay revealed that under the same culture conditions, activated AKI patient-derived CD4+ T cells had a significantly reduced proliferation rate when were co-cultured with HuAECs...
November 26, 2016: Molecular Immunology
https://www.readbyqxmd.com/read/27897273/a-novel-therapeutic-peptide-as-a-partial-agonist-of-rankl-in-ischemic-stroke
#18
Hitomi Kurinami, Munehisa Shimamura, Hironori Nakagami, Hideo Shimizu, Hiroshi Koriyama, Tomohiro Kawano, Kouji Wakayama, Hideki Mochizuki, Hiromi Rakugi, Ryuichi Morishita
The enhanced receptor activator of nuclear factor-κB (NFκB) ligand (RANKL) and its receptor (RANK) signal have been reported to attenuate ischemic brain injury through inhibition of Toll-like receptor (TLR) 4-mediated inflammation. However, augmentation of the RANKL/RANK signal also accelerates osteoporosis, which is a potential problem in clinical use of RANKL. Therefore, we developed novel peptides, microglial healing peptides (MHPs), which were based on the DE and/or EF loop of RANKL. Among them, MHP1 was the most effective inhibitor of TLR4-induced inflammations in microglia/macrophages...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27893782/beneficial-effects-of-metformin-and-or-salicylate-on-palmitate-or-tnf%C3%AE-induced-neuroinflammatory-marker-and-neuropeptide-gene-regulation-in-immortalized-npy-agrp-neurons
#19
Wenqing Ye, Ernesto H Ramos, Brian C Wong, Denise D Belsham
Neuropeptide Y (NPY)/Agouti-related peptide (AgRP)-expressing neurons in the hypothalamus induce feeding and decrease energy expenditure. With consumption of a diet high in fat, there is an increase in circulating saturated free fatty acids, including palmitate, leading to the development of neuroinflammation and secretion of cytokines, such as TNFα, and in turn activation of the canonical IKKβ/NFκB cascade. We describe a model of palmitate- and TNFα-induced neuroinflammation in a functionally characterized, immortalized NPY/AgRP-expressing cell model, mHypoE-46, to study whether the anti-diabetic metformin alone or in combination with the anti-inflammatory agent salicylate can ameliorate these detrimental effects...
2016: PloS One
https://www.readbyqxmd.com/read/27890723/global-gene-expression-changes-in-the-prefrontal-cortex-of-rabbits-with-hypercholesterolemia-and-or-hypertension
#20
Sau-Yeen Loke, Peter Tsun-Hon Wong, Wei-Yi Ong
Although many studies have identified a link between hypercholesterolemia or hypertension and cognitive deficits, till date, comprehensive gene expression analyses of the brain under these conditions is still lacking. The present study was carried out to elucidate differential gene expression changes in the prefrontal cortex (PFC) of New Zealand white rabbits exposed to hypercholesterolemia and/or hypertension with a view of identifying gene networks at risk. Microarray analyses of the PFC of hypercholesterolemic rabbits showed 850 differentially expressed genes (DEGs) in the cortex of hypercholesterolemic rabbits compared to controls, but only 5 DEGs in hypertensive rabbits compared to controls...
November 24, 2016: Neurochemistry International
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