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https://www.readbyqxmd.com/read/29921170/-express-atf2-but-not-atf3-participates-in-the-maintenance-of-nerve-injury-induced-tactile-allodynia-and-thermal-hyperalgesia
#1
Ana Belen Salinas-Abarca, Isabel Velazquez-Lagunas, Urzula Franco-Enzastiga, Jorge Elias Torres-López, Hector Isaac Rocha-Gonzalez, Vinicio Granados-Soto
Transcription factors are proteins that modulate the transcriptional rate of target genes in the nucleus in response to extracellular or cytoplasmic signals. Activating transcription factors 2 (ATF2) and 3 (ATF3) respond to environmental signals and maintain cellular homeostasis. There is evidence that inflammation and nerve injury modulate ATF2 and ATF3 expression. However, the function of these transcription factors in pain is unknown. The purpose of this study was to investigate the contribution of ATF2 and ATF3 to nerve injury-induced neuropathic pain...
January 1, 2018: Molecular Pain
https://www.readbyqxmd.com/read/29913784/the-effect-of-tail-docking-neonate-piglets-on-atf-3-and-nr2b-immunoreactivity-in-coccygeal-dorsal-root-ganglia-and-spinal-cord-dorsal-horn-neurons-preliminary-data
#2
D A Sandercock, A Monteiro, E M Scott, A M Nolan
Background/aims Tail docking neonatal piglets remains a controversial animal welfare issue. Although banned in the UK, it is widely practiced in many countries as a safeguard against tail biting among pigs reared in intensive systems. Concerns exist whether tail docking can induce chronic pain in later life. This preliminary study examined the effects of partial tail amputation on activating transcription factor 3 (ATF3), a marker of peripheral nerve injury and regeneration and NMDA-glutamate receptor NR2B subunit which participates in the mediation of chronic pain...
December 29, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29895822/role-of-activating-transcription-factor-3-in-fructose-induced-metabolic-syndrome-in-mice
#3
Chu-Lin Chou, Ching-Hao Li, Heng Lin, Mei-Hui Liao, Chin-Chen Wu, Jin-Shuen Chen, Yuh-Mou Sue, Te-Chao Fang
Activating transcription factor 3 (ATF3) has been implicated in cardiovascular disease and inflammation. This study examined the effects of ATF3 knockout (KO) on blood pressure, glucose intolerance, dyslipidemia, inflammation, and visceral adiposity in mice fed who did and did not consume a high-fructose diet. Male mice were divided into four groups (N = 15 for each group): the Con (control) group (wild-type mice fed a standard chow diet), Fru group (wild-type mice fed a high-fructose [60% fructose] diet), ATF3KO-Con group (ATF3 KO mice fed a standard chow diet), and ATF3KO-Fru group (ATF3 KO mice fed a high-fructose [60% fructose] diet)...
June 12, 2018: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/29886035/atf3-and-prap1-play-important-roles-in-cisplatin-induced-damages-in-microvascular-endothelial-cells
#4
Meifen Li, Guanghua Zhai, Xiuyu Gu, Kangyun Sun
BACKGROUND: The early intervention is a rational approach to reduce the cardiovascular disease mortality in cancer patients. Here, we tried to identify potential biomarkers for the endothelial damage caused by cisplatin, a typical chemotherapy compound, and explore its underlying mechanisms. METHODS: Microarray dataset GSE62523 were utilized to assess the gene differential expression from human micro-vascular endothelial cells (HMEC-1) treated with cisplatin. Then, the potential key genes were further validated by qRT-PCR and the γH2AX level was evaluated to monitor the DNA damages caused by cisplatin...
June 7, 2018: Gene
https://www.readbyqxmd.com/read/29875584/activating-transcription-factor-3-an-early-cellular-adaptive-responder-in-ischemia-reperfusion-induced-injury
#5
REVIEW
Heng Lin, Ching-Feng Cheng
Recent studies have reported that ischemia/reperfusion (I/R) may act in the immune system where an exaggerated inflammatory response is initiated. With the activation of the immune system, damage-associated molecular patterns migrate and adhere to the I/R region, consequently inducing multiorgan injury. Emerging data indicate that upon I/R, stress-inducible proteins, including activating transcription factor 3 (ATF3), play essential roles in signaling during antiapoptotic, antimigration, and anti-inflammatory processes...
April 2018: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/29871666/damid-profiling-of-dynamic-polycomb-binding-sites-in-drosophila-imaginal-disc-development-and-tumorigenesis
#6
Marco La Fortezza, Giovanna Grigolon, Andrea Cosolo, Alexey Pinduyrin, Laura Breimann, Helmut Blum, Bas van Steensel, Anne-Kathrin Classen
BACKGROUND: Tracking dynamic protein-chromatin interactions in vivo is key to unravel transcriptional and epigenetic transitions in development and disease. However, limited availability and heterogeneous tissue composition of in vivo source material impose challenges on many experimental approaches. RESULTS: Here we adapt cell-type-specific DamID-seq profiling for use in Drosophila imaginal discs and make FLP/FRT-based induction accessible to GAL driver-mediated targeting of specific cell lineages...
June 5, 2018: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/29856797/pituitary-adenylate-cyclase-activating-polypeptide-pacap-38-plays-an-inhibitory-role-against-inflammation-induced-by-chemical-damage-to-zebrafish-hair-cells
#7
Natalia Kasica-Jarosz, Piotr Podlasz, Jerzy Kaleczyc
Pituitary adenylate cyclase-activating polypeptide (PACAP-38) is a common neuropeptide exerting a wide spectrum of functions in many fields, including immunology. In the present study, 5-day post-fertilization (dpf) zebrafish larvae of three diverse genetic lines [transgenic lines Tg(MPX:GFP) with GFP-labelled neutrophils and Tg(pou4f3:GAP-GFP) with GFP-labelled hair cells and the wild-type Tuebingen] were used to investigate an inhibitory role of PACAP-38 in inflammation associated with damaged hair cells of the lateral line...
2018: PloS One
https://www.readbyqxmd.com/read/29849442/nerve-injury-increases-the-expression-of-alpha-2-delta-1-subunit-of-l-type-calcium-channel-in-sensory-neurons-of-rat-spinal-and-trigeminal-nerves
#8
Daisuke Tachiya, Tadasu Sato, Hiroyuki Ichikawa
By immunohistochemistry, an effect of nerve injury on distribution of alpha-2/delta-1 subunit of L-type calcium channel was investigated in rat's 4th and 5th lumbar dorsal root ganglia (DRGs), trigeminal ganglion (TG), and mesencephalic trigeminal nucleus (Mes5). The immunoreactivity was expressed by 52.2% of DRG neurons and 31.4% of TG neurons in intact animals. These neurons mostly had small-to-medium-sized cell bodies. In the DRG and TG, alpha-2/delta-1 subunit-positive neurons were lightly or moderately stained...
May 2018: Annals of Neurosciences
https://www.readbyqxmd.com/read/29799319/the-role-of-nrf2-in-the-response-to-normal-tissue-radiation-injury
#9
Brent D Cameron, Konjeti R Sekhar, Maxwell Ofori, Michael L Freeman
The transcription factor Nrf2 is an important modulator of antioxidant and drug metabolism, carbohydrate and lipid metabolism, as well as heme and iron metabolism. Regulation of Nrf2 expression occurs transcriptionally and post-transcriptionally. Post-transcriptional regulation entails ubiquitination followed by proteasome-dependent degradation. Additionally, Nrf2-mediated gene expression is subject to negative regulation by ATF3, Bach1 and cMyc. Nrf2-mediated gene expression is an important regulator of a cell's response to radiation...
May 25, 2018: Radiation Research
https://www.readbyqxmd.com/read/29788550/usp22-acts-as-an-oncoprotein-to-maintain-glioma-malignancy-through-deubiquitinating-bmi1-for-stabilization
#10
Guan-Zhong Qiu, Xiao-Yuan Mao, Yue Ma, Xing-Chun Gao, Zhen Wang, Ming-Zhu Jin, Wei Sun, Yong-Xiang Zou, Jing Lin, Hua-Lin Fu, Wei-Lin Jin
USP22 is a member of "death-from-cancer" signature, which plays a key role in cancer progression. Although previous evidence has shown that USP22 is overexpressed and correlated with poor prognosis in glioma. The effect and mechanism of USP22 in glioma malignancy especially cancer stemness remain elusive. Here, we find USP22 is more enriched in stem-like tumorspheres than differentiated glioma cells. USP22 knockdown inhibits cancer stemness in glioma cell lines. With a cell-penetrating TAT-tag protein, BMI1, a robust glioma stem-cell marker, is found to mediate the effect of USP22 on glioma stemness...
May 22, 2018: Cancer Science
https://www.readbyqxmd.com/read/29787378/larval-hemolymph-of-rhinoceros-beetle-allomyrina-dichotoma-enhances-insulin-secretion-through-atf3-gene-expression-in-ins-1-pancreatic-%C3%AE-cells
#11
Seung-Whan Kim, Hyun-Woo Suh, Bo-Kyung Yoo, Kisang Kwon, Kweon Yu, Ji-Young Choi, O-Yu Kwon
In this study, we show that INS-1 pancreatic β-cells treated for 2 h with hemolymph of larvae of rhinoceros beetle, Allomyrina dichotoma, secreted about twice as much insulin compared to control cells without such treatment. Activating transcription factor 3 (ATF3) was the highest upregulated gene in DNA chip analysis. The A. dichotoma hemolymph dose-dependently induced increased expression levels of genes encoding ATF3 and insulin. Conversely, treatment with ATF3 siRNA inhibited expression levels of both genes and curbed insulin secretion...
May 22, 2018: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/29786110/multi%C3%A2-layered-prevention-and-treatment-of-chronic-inflammation-organ-fibrosis-and-cancer-associated-with-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-activation-review
#12
Masaru Katoh
β‑catenin/CTNNB1 is an intracellular scaffold protein that interacts with adhesion molecules (E‑cadherin/CDH1, N‑cadherin/CDH2, VE‑cadherin/CDH5 and α‑catenins), transmembrane‑type mucins (MUC1/CD227 and MUC16/CA125), signaling regulators (APC, AXIN1, AXIN2 and NHERF1/EBP50) and epigenetic or transcriptional regulators (BCL9, BCL9L, CREBBP/CBP, EP300/p300, FOXM1, MED12, SMARCA4/BRG1 and TCF/LEF). Gain‑of‑function CTTNB1 mutations are detected in bladder cancer, colorectal cancer, gastric cancer, liver cancer, lung cancer, pancreatic cancer, prostate cancer and uterine cancer, whereas loss‑of‑function CTNNB1 mutations are also detected in human cancer...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29772680/the-crosstalk-of-endoplasmic-reticulum-er-stress-pathways-with-nf-%C3%AE%C2%BAb-complex-mechanisms-relevant-for-cancer-inflammation-and-infection
#13
REVIEW
M Lienhard Schmitz, M Samer Shaban, B Vincent Albert, Anke Gökçen, Michael Kracht
Stressful conditions occuring during cancer, inflammation or infection activate adaptive responses that are controlled by the unfolded protein response (UPR) and the nuclear factor of kappa light polypeptide gene enhancer in B-cells (NF-κB) signaling pathway. These systems can be triggered by chemical compounds but also by cytokines, toll-like receptor ligands, nucleic acids, lipids, bacteria and viruses. Despite representing unique signaling cascades, new data indicate that the UPR and NF-κB pathways converge within the nucleus through ten major transcription factors (TFs), namely activating transcription factor (ATF)4, ATF3, CCAAT/enhancer-binding protein (CEBP) homologous protein (CHOP), X-box-binding protein (XBP)1, ATF6α and the five NF-κB subunits...
May 16, 2018: Biomedicines
https://www.readbyqxmd.com/read/29758412/anti-inflammatory-effect-of-the-extracts-from-the-branch-of-taxillus-yadoriki-being-parasitic-in-neolitsea-sericea-in-lps-stimulated-raw264-7-cells
#14
Su Bin Park, Gwang Hun Park, Ha Na Kim, Ho-Jun Son, Hun Min Song, Hyun-Seok Kim, Hyung Jin Jeong, Jin Boo Jeong
Mistletoe has been used as the herbal medicine to treat hypertension, diabetes mellitus, inflammation, arthritis and viral infection. In this study, we evaluated the anti-inflammatory effect of extracts of branch from Taxillus yadoriki being parasitic in Neolitsea sericea (TY-NS-B) using in vitro model. TY-NS-B significantly inhibited LPS-induced secretion of NO and PGE2 in RAW264.7 cells. TY-NS-B was also observed to inhibit LPS-mediated iNOS COX-2 expression. In addition, TY-NS-B attenuated production of inflammatory cytokines such as TNF-α and IL-1β induced by LPS...
May 11, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29740961/expression-of-regeneration-associated-proteins-in-primary-sensory-neurons-and-regenerating-axons-after-nerve-injury-an-overview
#15
Petr Dubový, Ilona Klusáková, Ivana Hradilová-Svíženská, Marek Joukal
Peripheral nerve injury results in profound alterations of the affected neurons resulting from the interplay between intrinsic and extrinsic molecular events. Restarting the neuronal regenerative program is an important prerequisite for functional recovery of the injured peripheral nerve. The primary sensory neurons with their cell bodies in the dorsal root ganglia provide a useful in vivo and in vitro model for studying the mechanisms that regulate intrinsic neuronal regeneration capacity following axotomy...
May 8, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29716766/activating-transcription-factor-3-promotes-intestinal-epithelial-cell-apoptosis-in-crohn-s-disease
#16
Liugen Gu, Zhenming Ge, Yamin Wang, Meiqin Shen, Ping Zhao
Intestinal epithelial cell (IEC) apoptosis plays a vital role in the pathogenesis of Crohn's disease (CD), which is an inflammatory bowel disease (IBD). Activating transcription factor 3 (ATF3) modulates apoptosis under stress via regulating the p53 pathway. However, the expression and function of ATF3 in CD are unclear. In the present study, ATF3, p53, and p53 target gene Bax expression increased in CD patients; a mouse 2, 4, 6-trinitrobenzenesulfonic acid (TNBS)-induced CD model; and a TNF-α-treated HT29 cell colitis model...
April 22, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29681794/atf3-regulates-the-expression-of-ache-during-stress
#17
Ronit Heinrich, Rivka Hertz, Esther Zemel, Irit Mann, Liat Brenner, Amir Massarweh, Shai Berlin, Ido Perlman
Acetylcholinesterase (AChE) expresses in non-cholinergic cells, but its role(s) there remain unknown. We have previously attributed a pro-apoptotic role for AChE in stressed retinal photoreceptors, though by unknown mechanism. Here, we examined its promoter only to find that it includes a binding sequence for the activating transcription factor 3 (ATF3); a prototypical mediator of apoptosis. This suggests that expression of AChE could be regulated by ATF3 in the retina. Indeed, ATF3 binds the AChE-promoter to down-regulate its expressions in vitro ...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29672183/identification-of-key-pathways-and-genes-in-l4-dorsal-root-ganglion-drg-after-sciatic-nerve-injury-via-microarray-analysis
#18
He Zhao, Li-Jun Duan, Qing-Ling Sun, Yu-Shan Gao, Yong-Dong Yang, Xiang-Sheng Tang, Ding-Yan Zhao, Yang Xiong, Zhen-Guo Hu, Chuan-Hong Li, Si-Xue Chen, Tao Liu, Xing Yu
BACKGROUND: Peripheral nerve injury (PNI) has devastating consequences. Dorsal root ganglion as a pivotal locus participates in the process of neuropathic pain and nerve regeneration. In recent years, gene sequencing technology has seen rapid rise in the biomedicine field. So, we attempt to gain insight into in the mechanism of neuropathic pain and nerve regeneration in the transcriptional level and to explore novel genes through bioinformatics analysis. METHODS: The gene expression profiles of GSE96051 were downloaded from GEO database...
April 19, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29670287/electrophilic-properties-of-itaconate-and-derivatives-regulate-the-i%C3%AE%C2%BAb%C3%AE-atf3-inflammatory-axis
#19
Monika Bambouskova, Laurent Gorvel, Vicky Lampropoulou, Alexey Sergushichev, Ekaterina Loginicheva, Kendall Johnson, Daniel Korenfeld, Mary Elizabeth Mathyer, Hyeryun Kim, Li-Hao Huang, Dustin Duncan, Howard Bregman, Abdurrahman Keskin, Andrea Santeford, Rajendra S Apte, Raghav Sehgal, Britney Johnson, Gaya K Amarasinghe, Miguel P Soares, Takashi Satoh, Shizuo Akira, Tsonwin Hai, Cristina de Guzman Strong, Karine Auclair, Thomas P Roddy, Scott A Biller, Marko Jovanovic, Eynav Klechevsky, Kelly M Stewart, Gwendalyn J Randolph, Maxim N Artyomov
Metabolic regulation has been recognized as a powerful principle guiding immune responses. Inflammatory macrophages undergo extensive metabolic rewiring 1 marked by the production of substantial amounts of itaconate, which has recently been described as an immunoregulatory metabolite 2 . Itaconate and its membrane-permeable derivative dimethyl itaconate (DI) selectively inhibit a subset of cytokines 2 , including IL-6 and IL-12 but not TNF. The major effects of itaconate on cellular metabolism during macrophage activation have been attributed to the inhibition of succinate dehydrogenase2,3 , yet this inhibition alone is not sufficient to account for the pronounced immunoregulatory effects observed in the case of DI...
April 2018: Nature
https://www.readbyqxmd.com/read/29670181/regulation-of-masculinization-androgen-signalling-for-external-genitalia-development
#20
REVIEW
Shoko Matsushita, Kentaro Suzuki, Aki Murashima, Daiki Kajioka, Alvin Resultay Acebedo, Shinichi Miyagawa, Ryuma Haraguchi, Yukiko Ogino, Gen Yamada
The biology of masculinization is fundamentally important for understanding the embryonic developmental processes that are involved in the development of the male reproductive tract, external genitalia, and also the tumorigenesis of prostate cancer. The molecular mechanisms of masculinization are of interest to many researchers and clinicians involved in varied fields, including molecular developmental biology, cancer research, endocrinology, and urology. Androgen signalling is mediated by the nuclear androgen receptor, which has fundamental roles in masculinization during development...
June 2018: Nature Reviews. Urology
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