scholarly journals Ultraviolet light activates PMK-1/p38 MAPK signaling via MOM-4 and JKK-1 in Caenorhabditis elegans

2020 ◽  
Vol 9 (4) ◽  
pp. 461-466
Author(s):  
Jing Ma ◽  
Xinghao Jiang ◽  
An Yarui ◽  
Jin Danli ◽  
Yin Xiaodie ◽  
...  
Keyword(s):  
Caenorhabditis Elegans ◽  
P38 Mapk ◽  
Uv Radiation ◽  
Mapk Signaling ◽  
Mitogen Activated Protein Kinase ◽  
Radiation Doses ◽  
Wild Type ◽  
C Elegans ◽  
Mitogen Activated Protein ◽  
Uv Stress

Abstract P38 mitogen-activated protein kinase (p38 MAPK) plays an important role in innate immunity and is activated by ultraviolet (UV) radiation. However, the molecular mechanism underlying UV stress remains unclear. In this study, we reported that UV activated PMK-1/p38 MAPK signaling via JKK-1 and MOM-4 in Caenorhabditis elegans. In C. elegans, different UV radiation doses resulted in PMK-1 phosphorylation. However, pmk-1 mutants failed to demonstrate an altered survival time in response to UV when compared with wild-type worms. Further analysis showed that JKK-1, but not SEK-1 mutants, displayed impaired PMK-1 activation following UV irradiation, suggesting that JKK-1 is the upstream MAP2K for the activation of PMK-1 in C. elegans under UV stimulation. UV-induced activation of PMK-1 was markedly reduced in MOM-4, but not in NSY-1 and DLK-1 mutant worms, suggesting that MOM-4 is the upstream MAP3K regulator of PMK-1 activation in response to UV stress in C. elegans. Additionally, daf-16 mutants displayed a shorter lifespan under UV stress, but UV-induced activation of PMK-1 was not markedly reduced in daf-16 and age-1 mutant worms. Our results revealed the signaling pathway involved in PMK-1 activation in C. elegans in response to UV radiation.

scholarly journals APPL1 mediates adiponectin-stimulated p38 MAPK activation by scaffolding the TAK1-MKK3-p38 MAPK pathway

2011 ◽  
Vol 300 (1) ◽  
pp. E103-E110 ◽  
Author(s):  
Xiaoban Xin ◽  
Lijun Zhou ◽  
Caleb M. Reyes ◽  
Feng Liu ◽  
Lily Q. Dong
Keyword(s):  
Protein Kinase ◽  
P38 Mapk ◽  
Mapk Pathway ◽  
Adaptor Protein ◽  
Mapk Signaling ◽  
Mitogen Activated Protein Kinase ◽  
Scaffolding Protein ◽  
Mapk Activation ◽  
P38 Mapk Pathway ◽  
Mitogen Activated Protein

The adaptor protein APPL1 mediates the stimulatory effect of adiponectin on p38 mitogen-activated protein kinase (MAPK) signaling, yet the underlying mechanism remains unclear. Here we show that, in C2C12 cells, overexpression or suppression of APPL1 enhanced or suppressed, respectively, adiponectin-stimulated p38 MAPK upstream kinase cascade, consisting of transforming growth factor-β-activated kinase 1 (TAK1) and mitogen-activated protein kinase kinase 3 (MKK3). In vitro affinity binding and coimmunoprecipitation experiments revealed that TAK1 and MKK3 bind to different regions of APPL1, suggesting that APPL1 functions as a scaffolding protein to facilitate adiponectin-stimulated p38 MAPK activation. Interestingly, suppressing APPL1 had no effect on TNFα-stimulated p38 MAPK phosphorylation in C2C12 myotubes, indicating that the stimulatory effect of APPL1 on p38 MAPK activation is selective. Taken together, our study demonstrated that the TAK1-MKK3 cascade mediates adiponectin signaling and uncovers a scaffolding role of APPL1 in regulating the TAK1-MKK3-p38 MAPK pathway, specifically in response to adiponectin stimulation.

scholarly journals Lipopolysaccharide exposure induces oxidative damage in Caenorhabditis elegans: protective effects of carnosine

2020 ◽  
Vol 21 (1) ◽  
Author(s):  
Jing Ma ◽  
Xiaoyuan Xu ◽  
Ranran Wang ◽  
Haijing Yan ◽  
Huijuan Yao ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Caenorhabditis Elegans ◽  
Signaling Pathway ◽  
P38 Mapk ◽  
Mapk Signaling ◽  
Protective Effects ◽  
Related Gene ◽  
Rt Pcr ◽  
C Elegans ◽  
Apoptosis Related Gene

Abstract Background The present study was designed to investigate the protective effects and mechanisms of carnosine on lipopolysaccharide (LPS)-induced injury in Caenorhabditis elegans. Methods C. elegans individuals were stimulated for 24 h with LPS (100 μg/mL), with or without carnosine (0.1, 1, 10 mM). The survival rates and behaviors were determined. The activities of superoxide dismutase (SOD), glutathione reductase (GR), and catalase (CAT) and levels of malondialdehyde (MDA) and glutathione (GSH) were determined using the respective kits. Reverse transcription polymerase chain reaction (RT-PCR) was performed to validate the differential expression of sod-1, sod-2, sod-3, daf-16, ced-3, ced-9, sek-1, and pmk-1. Western blotting was used to determine the levels of SEK1, p38 mitogen-activated protein kinase (MAPK), cleaved caspase3, and Bcl-2. C. elegans sek-1 (km2) mutants and pmk-1 (km25) mutants were used to elucidate the role of the p38 MAPK signaling pathway. Results Carnosine improved the survival of LPS-treated C. elegans and rescued behavioral phenotypes. It also restrained oxidative stress by decreasing MDA levels and increasing SOD, GR, CAT, and GSH levels. RT-PCR results showed that carnosine treatment of wild-type C. elegans up-regulated the mRNA expression of the antioxidant-related genes sod-1, sod-2, sod-3, and daf-16. The expression of the anti-apoptosis-related gene ced-9 and apoptosis-related gene ced-3 was reversed by carnosine. In addition, carnosine treatment significantly decreased cleaved caspase3 levels and increased Bcl-2 levels in LPS-treated C. elegans. Apoptosis in the loss-of-function strains of the p38 MAPK signaling pathway was suppressed under LPS stress; however, the apoptotic effects of LPS were blocked in the sek-1 and pmk-1 mutants. The expression levels of sek-1 and pmk-1 mRNAs were up-regulated by LPS and reversed by carnosine. Finally, the expression of p-p38MAPK and SEK1 was significantly increased by LPS, which was reversed by carnosine. Conclusion Carnosine treatment protected against LPS injury by decreasing oxidative stress and inhibiting apoptosis through the p38 MAPK pathway.

scholarly journals The Expanding Role of p38 Mitogen-Activated Protein Kinase in Programmed Host Cell Death

2019 ◽  
Vol 12 ◽  
pp. 117863611986459 ◽  
Author(s):  
Jessica Gräb ◽  
Jan Rybniker
Keyword(s):  
Protein Kinase ◽  
Host Cell ◽  
P38 Mapk ◽  
Bacterial Infections ◽  
Mapk Signaling ◽  
Mitogen Activated Protein Kinase ◽  
Host Cell Apoptosis ◽  
Mitogen Activated Protein ◽  
P38 Mapk Inhibitors ◽  
Mapk Inhibitors

The p38 mitogen-activated protein kinase (MAPK) is involved in a multitude of essential cellular processes. The kinase is activated in response to environmental stresses, including bacterial infections and inflammation, to regulate the immune response of the host. However, recent studies have demonstrated that pathogens can manipulate p38 MAPK signaling for their own benefit to either prevent or induce host cell apoptosis. In addition, there is evidence demonstrating that p38 MAPK is a potent trigger of pathogen-induced necrosis driven by mitochondrial membrane disruption. Given the large number of p38 MAPK inhibitors that have been tested in clinical trials, these findings provide an opportunity to repurpose these drugs for improved control of infectious diseases.

p38 MAPK Signaling Mediates Retinoic Acid-Induced Expression of a Novel Tumor Suppressor Protein Programmed Cell Death 4 (PDCD4) in Acute Promyelocytic Leukemia Cells.

Blood ◽  
2006 ◽  
Vol 108 (11) ◽  
pp. 1942-1942
Author(s):  
Ugur Akar ◽  
Bulent Ozpolat ◽  
Nancy Colburn ◽  
Gabriel Lopez-Berestein
Keyword(s):  
Retinoic Acid ◽  
Cell Differentiation ◽  
P38 Mapk ◽  
Myeloid Cell ◽  
Mapk Signaling ◽  
Mitogen Activated Protein Kinase ◽  
Granulocytic Differentiation ◽  
P38 Inhibitor ◽  
Pdcd4 Expression ◽  
Mitogen Activated Protein

Abstract Programmed-cell-death-4 (PDCD4) is a novel tumor suppressor protein that suppresses tumor promoter-induced neoplastic transformation. PDCD4 specifically inhibits the helicase activity of eukaryotic translation initiation factor 4A (eIF4A) and translation initiation and cap-dependent mRNA translation in vitro and in vivo. Loss or underexpression of PDCD4 is associated with carcinogenesis and chemoresistance in solid tumors. The role and regulation of PDCD4 in the the hematopoietic system and myeloid leukemia cells are not known. We previously reported that ATRA induces translational suppression through multiple posttranscriptional mechanisms during terminal cell differentiation (Harris et al, Blood, 104 (5) 2004). Therefore, in this study, we investigated the expression and regulation of PDCD4 during myeloid cell differentiation. All-trans-retinoic acid (ATRA) induces terminal differentiation in acute myeloid leukemia (AML) and promyelocytic (APL) cells, a well established model for myeloid cell differentiation. We found that treatment of HL60 (M2 type AML) and NB4 APL (M3 type AML) cells with ATRA (1 mM) induced PDCD4 protein and mRNA expression during granulocytic differentiation detected by western blot and RT-PCR analysis, respectively. We also demonstrated that inhibition of PDCD4 by siRNA reduced granulocytic differentiation induced by ATRA, suggesting that PDCD4 plays a role in granuliocytic differentiation. To determine mechanisms regulating PDCD4 we investigated the role of pP38 MAPK (Mitogen activated protein kinase) in reugulation of PDCD4 expression. ATRA induced PDCD4 expression correlated with activation of p38 MAPK (Mitogen Activated Protein Kinase) pathway in NB4 cells. To test the hypothesis that p38 MAPK signaling pathway mediates retinoic acid induced PDCD4 expression we treated cells with a specific p38 MAPK inhibitor, SB203580, ATRA or combination with ATRA. We observed that p38 inhibitor inhibited ATRA-induced expression of PDCD4 in NB4 cells. Basal level of PDCD4 expression was also markedly downregulated in the presence of p38 inhibitor when compared to untreated control cells, suggesting that p38 pathway is involved in ATRA-dependent and independent PDCD4 expression. Currently we are investigating whether inhibition of p38 by small interfering RNA (siRNA) will prevent expression of ATRA induced PDCD4 in APL cells. We are also trying to identify whether ATF2 transcription factor, a downstream of p38, is involved in PDCD4 expression. p38-mediated induction of PDCD4 pathway reveals a novel mechanism of PDCD4 regulation and ATRA action, providing a new insight into understanding terminal differentiation of myeloid cells. Better understanding the role of PDCD4 and posttranscriptional control of gene expression may offer targets for the differentiation therapy and chemo preventive strategies.

Expression of p38 MAPK in Acute Lung Injury Induced by LPS in Mice

2014 ◽  
Vol 522-524 ◽  
pp. 332-336 ◽  
Author(s):  
Kai Xiu Qin ◽  
Yong Wang ◽  
Hua Gang Jian
Keyword(s):  
Endothelial Cells ◽  
Acute Lung Injury ◽  
Lung Injury ◽  
P38 Mapk ◽  
Inflammatory Cells ◽  
Mapk Signaling ◽  
Mitogen Activated Protein Kinase ◽  
Control Group ◽  
Mitogen Activated Protein ◽  
Set Up

Objective To investigate the expression and roles of p38 mitogen-activated protein kinase (p38 MAPK) in LPS-induced acute lung injury (ALI) in mice. Methods The ALI mice models were set up by intraperineal injection of lipopolysaccharide (LPS). The expressions of p38 MAPK in lung tissues were detected by immunohistochemistry and Western-blot. Results The positive expressions of p38 MAPK distribute mainly in infiltrative inflammatory cells, epithelial cells and endothelial cells. And the level of expression of phosphated p38 MAPK in ALI group were higher obviously than that in the control group, and it reached a peak after two hours. Conclusion p38 MAPK signaling pathway was triggered by ALI induced by endotoxin.

p38 Mitogen-Activated Protein Kinase and Hematologic Malignancies

2009 ◽  
Vol 133 (11) ◽  
pp. 1850-1856
Author(s):  
Yongdong Feng ◽  
Jianguo Wen ◽  
Chung-Che(Jeff) Chang
Keyword(s):  
Protein Kinase ◽  
P38 Mapk ◽  
Cell Types ◽  
Hematologic Malignancies ◽  
Mapk Signaling ◽  
Chemotherapeutic Agents ◽  
Mitogen Activated Protein Kinase ◽  
Cellular Functions ◽  
Downstream Effects ◽  
Mitogen Activated Protein

Abstract Context.—p38 mitogen-activated protein kinase (MAPK) signaling has been implicated in responses ranging from apoptosis to cell cycle, induction of expression of cytokine genes, and differentiation. This plethora of activators conveys the complexity of the p38 pathway. This complexity is further complicated by the observation that the downstream effects of p38 MAPK activation may be different depending on types of stimuli, cell types, and various p38 MAPK isoforms involved. Objective.—This review focuses on the recent advancement of the p38 MAPK isoforms as well as the roles of p38 MAPK in hematologic malignancies. Data Sources.—Review of pertinent published literature and work in our laboratory. Conclusions.—In some hematologic malignancies, activation of p38 plays a key role in promoting or inhibiting proliferation and also in increasing resistance to chemotherapeutic agents. The importance of different p38 isoforms in various cellular functions has been acknowledged recently. Further understanding of these isoforms will allow the design of more specific inhibitors to target particular isoforms to maximize the treatment effect and minimize the side effects for treating hematopoietic malignancies.

scholarly journals Store-operated Ca2+ Entry (SOCE) Induced by Protease-activated Receptor-1 Mediates STIM1 Protein Phosphorylation to Inhibit SOCE in Endothelial Cells through AMP-activated Protein Kinase and p38β Mitogen-activated Protein Kinase

2013 ◽  
Vol 288 (23) ◽  
pp. 17030-17041 ◽  
Author(s):  
Premanand C. Sundivakkam ◽  
Viswanathan Natarajan ◽  
Asrar B. Malik ◽  
Chinnaswamy Tiruppathi
Keyword(s):  
Endothelial Cells ◽  
Protein Kinase ◽  
P38 Mapk ◽  
Transient Receptor Potential ◽  
Mapk Signaling ◽  
Mitogen Activated Protein Kinase ◽  
Mouse Lung ◽  
Mitogen Activated Protein ◽  
Protease Activated Receptor 1 ◽  
Amp Activated Protein Kinase

The Ca2+ sensor STIM1 is crucial for activation of store-operated Ca2+ entry (SOCE) through transient receptor potential canonical and Orai channels. STIM1 phosphorylation serves as an “off switch” for SOCE. However, the signaling pathway for STIM1 phosphorylation is unknown. Here, we show that SOCE activates AMP-activated protein kinase (AMPK); its effector p38β mitogen-activated protein kinase (p38β MAPK) phosphorylates STIM1, thus inhibiting SOCE in human lung microvascular endothelial cells. Activation of AMPK using 5-aminoimidazole-4-carboxamide-1-β-d-ribofuranoside (AICAR) resulted in STIM1 phosphorylation on serine residues and prevented protease-activated receptor-1 (PAR-1)-induced Ca2+ entry. Furthermore, AICAR pretreatment blocked PAR-1-induced increase in the permeability of mouse lung microvessels. Activation of SOCE with thrombin caused phosphorylation of isoform α1 but not α2 of the AMPK catalytic subunit. Moreover, knockdown of AMPKα1 augmented SOCE induced by thrombin. Interestingly, SB203580, a selective inhibitor of p38 MAPK, blocked STIM1 phosphorylation and led to sustained STIM1-puncta formation and Ca2+ entry. Of the three p38 MAPK isoforms expressed in endothelial cells, p38β knockdown prevented PAR-1-mediated STIM1 phosphorylation and potentiated SOCE. In addition, inhibition of the SOCE downstream target CaM kinase kinase β (CaMKKβ) or knockdown of AMPKα1 suppressed PAR-1-mediated phosphorylation of p38β and hence STIM1. Thus, our findings demonstrate that SOCE activates CaMKKβ-AMPKα1-p38β MAPK signaling to phosphorylate STIM1, thereby suppressing endothelial SOCE and permeability responses.

scholarly journals cGMP-dependent Protein Kinase Type I Inhibits TAB1-p38 Mitogen-activated Protein Kinase Apoptosis Signaling in Cardiac Myocytes

2006 ◽  
Vol 281 (43) ◽  
pp. 32831-32840 ◽  
Author(s):  
Beate Fiedler ◽  
Robert Feil ◽  
Franz Hofmann ◽  
Christian Willenbockel ◽  
Helmut Drexler ◽  
...  
Keyword(s):  
Protein Kinase ◽  
Cardiac Myocytes ◽  
P38 Mapk ◽  
Cardiac Myocyte ◽  
Mapk Signaling ◽  
Mitogen Activated Protein Kinase ◽  
Type I ◽  
Mapk Phosphorylation ◽  
Mitogen Activated Protein ◽  
Dependent Protein

Cardiac myocyte apoptosis during ischemia and reperfusion (I/R) is tightly controlled by a complex network of stress-responsive signaling pathways. One pro-apoptotic pathway involves the interaction of the scaffold protein TAB1 with p38 mitogen-activated protein kinase (p38 MAPK) leading to the autophosphorylation and activation of p38 MAPK. Conversely, NO and its second messenger cGMP protect cardiac myocytes from apoptosis during I/R. We provide evidence that the cGMP target cGMP-dependent protein kinase type I (PKG I) interferes with TAB1-p38 MAPK signaling to protect cardiac myocytes from I/R injury. In isolated neonatal cardiac myocytes, activation of PKG I inhibited the interaction of TAB1 with p38 MAPK, p38 MAPK phosphorylation, and apoptosis induced by simulated I/R. During I/R in vivo, mice with a cardiac myocyte-restricted deletion of PKG I displayed a more pronounced interaction of TAB1 with p38 MAPK and a stronger phosphorylation of p38 MAPK in the myocardial area at risk during reperfusion and more apoptotic cardiac myocytes in the infarct border zone as compared with wild-type littermates. Notably, adenoviral expression of a constitutively active PKG I mutant truncated at the N terminus(PKGI-ΔN1-92) did not inhibit p38 MAPK phosphorylation and apoptosis induced by simulated I/R in vitro, indicating that the N terminus of PKG I is required. As shown by co-immunoprecipitation experiments in HEK293 cells, cGMP-activated PKG I, but not constitutively active PKG I-ΔN1-92 or PKG I mutants carrying point mutations in the N-terminal leucine-isoleucine zipper, interacted with p38 MAPK, and prevented the binding of TAB1 to p38 MAPK. Together, our data identify a novel interaction between the cGMP target PKG I and the TAB1-p38 MAPK signaling pathway that serves as a defense mechanism against myocardial I/R injury.

scholarly journals Multinuclei Occurred Under Cryopreservation and Enhanced the Pathogenicity of Melampsora larici-populina

2021 ◽  
Vol 12 ◽  
Author(s):  
Wei Zheng ◽  
Zijia Peng ◽  
Shaobing Peng ◽  
Zhongdong Yu ◽  
Zhimin Cao
Keyword(s):  
Mapk Signaling ◽  
Mitogen Activated Protein Kinase ◽  
Gas Chromatography Mass Spectrometry ◽  
Blue Staining ◽  
Wild Type ◽  
Qrt Pcr ◽  
Type Isolate ◽  
Multiple Nucleus ◽  
Mitogen Activated Protein ◽  
Fatty Acids Metabolism

Melampsora larici-populina is a macrocyclic rust, and the haploid stage with two nuclei and the diploid of mononuclear sequentially occur annually. During the preservation of dry urediniospores at −80°C, we found that one isolate, ΔTs06, was different from the usual wild-type isolate Ts06 at −20°C because it has mixed polykaryotic urediniospores. However, the other spores, including the 0, I, III, and IV stages of a life cycle, were the same as Ts06. After five generations of successive inoculation and harvest of urediniospores from the compatible host Populus purdomii, the isolate ΔTs06 steadily maintained more than 20% multiple nucleus spores. To test the pathogenesis variation of ΔTs06, an assay of host poplars was applied to evaluate the differences between ΔTs06 and Ts06. After ΔTs06 and Ts06 inoculation, leaves of P. purdomii were used to detect the expression of small secreted proteins (SSPs) and fungal biomasses using quantitative real-time PCR (qRT-PCR) and trypan blue staining. ΔTs06 displayed stronger expression of five SSPs and had a shorter latent period, a higher density of uredinia, and higher DNA mass. A transcriptomic comparison between ΔTs06 and Ts06 revealed that 3,224 were differentially expressed genes (DEGs), 55 of which were related to reactive oxygen species metabolism, the Mitogen-activated protein kinase (MAPK) signaling pathway, and the meiosis pathway. Ten genes in the mitotic and meiotic pathways and another two genes associated with the “response to DNA damage stimulus” all had an upward expression, which were detected by qRT-PCR in ΔTs06 during cryopreservation. Gas chromatography–mass spectrometry (GC-MS) confirmed that the amounts of hexadecanoic acid and octadecadienoic acid were much more in ΔTs06 than in Ts06. In addition, using spectrophotometry, hydrogen peroxide (H2O2) was also present in greater quantities in ΔTs06 compared with those found in Ts06. Increased fatty acids metabolism could prevent damage to urediniospores in super-low temperatures, but oxidant species that involved H2O2 may destroy tube proteins of mitosis and meiosis, which could cause abnormal nuclear division and lead to multinucleation, which has a different genotype. Therefore, the multinuclear isolate is different from the wild-type isolate in terms of phenotype and genotype; this multinucleation phenomenon in urediniospores improves the pathogenesis and environmental fitness of M. larici-populina.

scholarly journals Hp-s1 Ganglioside Suppresses Proinflammatory Responses by Inhibiting MyD88-Dependent NF-κB and JNK/p38 MAPK Pathways in Lipopolysaccharide-Stimulated Microglial Cells

Marine Drugs ◽  
2020 ◽  
Vol 18 (10) ◽  
pp. 496
Author(s):  
Jui-Hu Shih ◽  
Yow-Fu Tsai ◽  
I-Hsun Li ◽  
Ming-Hua Chen ◽  
Yuahn-Sieh Huang
Keyword(s):  
P38 Mapk ◽  
Underlying Mechanism ◽  
Mapk Signaling ◽  
Mitogen Activated Protein Kinase ◽  
Microglial Cells ◽  
Cell Counting ◽  
Mitogen Activated Protein ◽  
Proinflammatory Responses ◽  
A Cell ◽  
Myeloid Differentiation Factor

Hp-s1 ganglioside is isolated from the sperm of sea urchin (Hemicentrotus pulcherrimus). In addition to neuritogenic activity, the biological function of Hp-s1 in neuroinflammation is unknown. In this study, we investigated the anti-neuroinflammatory effect of Hp-s1 on lipopolysaccharide (LPS)-stimulated microglial cells. MG6 microglial cells were stimulated with LPS in the presence or absence of different Hp-s1 concentrations. The anti-inflammatory effect and underlying mechanism of Hp-s1 in LPS-activated microglia cells were assessed through a Cell Counting kit-8 assay, Western blot analysis, and immunofluorescence. We found that Hp-s1 suppressed not only the expression of inducible nitric oxide synthase and cyclooxygenase-2 but also the expression of proinflammatory cytokines, such as TNF-α, IL-1β, and IL-6. Hp-s1 inhibited the LPS-induced NF-κB signaling pathway by attenuating the phosphorylation and translocation of NF-κB p65 and by disrupting the degradation and phosphorylation of inhibitor κB-α (IκBα). Moreover, Hp-s1 inhibited the LPS-induced phosphorylation of p38 mitogen-activated protein kinase (MAPK) and c-Jun N-terminal kinase (JNK). Hp-s1 also reduced the expression of myeloid differentiation factor 88 (MyD88) and TNF receptor-associated factors 6 (TRAF6), which are prerequisites for NF-κB and MAPKs activation. These findings indicated that Hp-s1 alleviated LPS-induced proinflammatory responses in microglial cells by downregulating MyD88-mediated NF-κB and JNK/p38 MAPK signaling pathways, suggesting further evaluation as a new anti-neuroinflammatory drug.

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