scholarly journals Premobilization of CD133+ progenitors is associated with attenuated inflammation-induced pulmonary dysfunction following extracorporeal circulation in mice

2020 ◽  
Vol 31 (2) ◽  
pp. 210-220
Author(s):  
Dan Luo ◽  
Xinhao Liu ◽  
Jie Zhang ◽  
Lei Du ◽  
Lin Bai ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Lung Injury ◽  
Bronchoalveolar Lavage ◽  
Lung Tissue ◽  
Extracorporeal Circulation ◽  
Kidney Injury ◽  
Inflammatory Factors ◽  
Pulmonary Dysfunction

Abstract OBJECTIVES Progenitor cells mobilized by granulocyte colony-stimulating factor (G-CSF) have been shown to lessen acute kidney injury induced by extracorporeal circulation (ECC). Both acute kidney injury and lung injury are characterized by endothelial dysfunction. Our goal was to examine whether and how G-CSF-mobilized progenitors with endothelial capacity may help mitigate ECC-induced pulmonary dysfunction. METHODS G-CSF (10 μg/kg/day) was administered subcutaneously to C57BL/6 mice before or at the initiation of the ECC process, after which lung injury was assessed by measuring neutrophils in the fluid from bronchoalveolar lavage and determining the pathological score in lung tissue. CD133+ progenitors were isolated and injected into C57BL/6 mice before ECC in vivo. We incubated the CD133+ cells with pulmonary monocytes or neutrophils isolated from naïve mice in vitro. RESULTS Pretreatment with G-CSF for 2 days significantly decreased the number of neutrophils in the bronchoalveolar lavage fluid, and the pathological score (P < 0.01; n = 5) improved the PaO2/FiO2 ratio [193.4 ± 12.7 (ECC without G-CSF) vs 305.6 ± 22.6 mmHg (ECC with G-CSF); P = 0.03, n = 5] and suppressed neutrophil elastase and tumour necrosis factor-α levels in the circulation; we also observed increases in both circulating and pulmonary populations of CD133+ progenitors. Similar effects were observed in animals pretreated with CD133+ progenitors instead of G-CSF before ECC. The majority of CD133+/CD45− and CD133+/CD45+ progenitors were mobilized in the lung and in the circulation, respectively. Incubating CD133+ progenitors with neutrophils or pulmonary monocytes blocked lipopolysaccharide-induced release of inflammatory factors. CONCLUSIONS Our results suggest that pretreatment of G-CSF attenuates ECC-induced pulmonary dysfunction through inhibiting the inflammatory response in lung tissue and in the circulation with associated premobilization of CD133+ progenitors.

scholarly journals The Inhibitory Impact of Schisandrin Against LPS-Induced Acute Kidney Injury in Vitro and in Vivo

2021 ◽  
Author(s):  
Weifeng Li ◽  
Qiuxia Huang ◽  
Jinjin Yu ◽  
Jiabao Yu ◽  
Yajie Yang ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Acute Kidney Injury ◽  
Kidney Tissue ◽  
Kidney Injury ◽  
Immunohistochemical Analysis ◽  
Inflammatory Factors ◽  
Raw264.7 Macrophages ◽  
Bioactive Component

Abstract Schisandrin (Sch) is a main bioactive component of Schisandra sphenanthera Rehd.et Wils. It has been reported that Sch could regulate inflammatory disease. This study evaluated the anti-inflammatory and anti-oxidant effects effect of Sch on lipopolysaccharide (LPS)-induced macrophages activation and acute kidney injury mice. Male Kunming mice were intraperitoneally injected with LPS (15 mg/kg) after administration of Sch (12.5, 25, 50 mg/kg) seven days for developing acute kidney injury vivo model. RAW264.7 macrophages were pretreatment Sch (10, 20, 40 µM) and administrated LPS (1 µg/ml) to create an in vitro injury model. ELISA results found that Sch administration reduced the production of inflammatory factors induced by LPS in kidney tissues and RAW264.7 macrophages. It has been observed that Sch alleviated oxidative stress by reducing the levels of reactive oxygen species, myeloperoxidase and malondialdehyde, and increasing the activity of superoxide dismutase and glutathione peroxidase. Hematoxylin-eosin staining data suggested that Sch administration significantly reduced inflammatory cell infiltration and the kidney tissue damage induced by LPS. The blood urea nitrogen and creatinine levels were also reduced by Sch treatment. In addition, Western blot and immunohistochemical analysis showed that Sch up-regulated the expression of Nrf2 and HO-1, and decreased the expression of p-p38, p-JNK, p-ERK1/2, p-IκBα, p-NF-κBp65 and TLR4. The current research showed that Sch reduced LPS-induced acute kidney injury by inhibiting inflammation and oxidative stress, and provided insights into potential ways to treat AKI.

scholarly journals Self-developed NF-κB inhibitor 270 protects against LPS-induced acute kidney injury and lung injury through improving inflammation

2021 ◽  
Author(s):  
Yanyan Yu ◽  
Xiangqian Li ◽  
Wenpeng Hu ◽  
Shichao Cui ◽  
Jiajia Dai ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Lung Injury ◽  
Kidney Injury ◽  
High Morbidity ◽  
Raw 264.7 Macrophages ◽  
Mda Content ◽  
Inflammation Cytokines ◽  
Anti Inflammation

Background and Purpose: Sepsis-induced acute kidney injury (AKI) and acute lung injury (ALI) have high morbidity and mortality, with no effective clinically available drugs. Anti-inflammation is effective strategy in the therapy of AKI and ALI. NF-κB is a target for the development of anti‑inflammatory agents. The purpose of the study is to evaluate the effect of 270, self-developed NF-κB inhibitor, in LPS-induced AKI and ALI. Experimental Approach: LPS-induced macrophages were used to examine the anti-inflammation activity of 270. Sepsis-induced AKI and ALI mice models were established by intraperitoneal injection of LPS (10 mg/kg) for 24 h. Oral administration 270 for 14 days before LPS stimulation. Plasma, kidney and lung tissues were collected and used for histopathology, biochemical assay, ELISA, RT-PCR, and western blot analyses. Key Results: In vitro, we showed that 270 suppressed the inflammation response in LPS-induced RAW 264.7 macrophages and bone marrow derived macrophages. In vivo, we found that 270 ameliorated LPS-induced AKI and ALI, as evidenced by improving various pathological changes, reducing the expression of pro-inflammation genes, blocking the activation of NF-κB and JNK pathways, attenuating the elevated myeloperoxidase (MPO) activity and malondialdehyde (MDA) content, ameliorating the activated ER stress, reversing the inhibition effect on autophagy in kidney and lung tissues, and alleviating the enhanced plasma level of creatinine (Crea), blood urea nitrogen (BUN) and pro-inflammation cytokines. Conclusions and Implications: Our investigations provides evidence that NF-κB inhibitor 270 is a potential drug against LPS-induced AKI and ALI in the future.

scholarly journals In vitro and in vivo assessment of the protective effect of sufentanil in acute lung injury

2021 ◽  
Vol 49 (2) ◽  
pp. 030006052098635
Author(s):  
Qi Gao ◽  
Ningqing Chang ◽  
Donglian Liu
Keyword(s):  
Acute Lung Injury ◽  
Lung Injury ◽  
Protective Effect ◽  
High Mobility ◽  
Terminal Deoxynucleotidyl Transferase ◽  
Inflammatory Factors ◽  
Luciferase Reporter ◽  
Hmgb1 Protein

Objectives To investigate the mechanisms underlying the protective effect of sufentanil against acute lung injury (ALI). Material and Methods Rats were administered lipopolysaccharide (LPS) by endotracheal instillation to establish a model of ALI. LPS was used to stimulate BEAS-2B cells. The targets and promoter activities of IκB were assessed using a luciferase reporter assay. Apoptosis of BEAS-2B cells was evaluated by terminal deoxynucleotidyl transferase dUTP nick end labeling. Results Sufentanil treatment markedly reduced pathological changes in lung tissue, pulmonary edema and secretion of inflammatory factors associated with ALI in vivo and in vitro. In addition, sufentanil suppressed apoptosis induced by LPS and activated NF-κB both in vivo and in vitro. Furthermore, upregulation of high mobility group box protein 1 (HMGB1) protein levels and downregulation of miR-129-5p levels were observed in vivo and in vitro following sufentanil treatment. miR-129-5p targeted the 3ʹ untranslated region and its inhibition decreased promoter activities of IκB-α. miR-129-5p inhibition significantly weakened the protective effect of sufentanil on LPS-treated BEAS-2B cells. Conclusion Sufentanil regulated the miR-129-5p/HMGB1 axis to enhance IκB-α expression, suggesting that sufentanil represents a candidate drug for ALI protection and providing avenues for clinical treatment.

scholarly journals A Biochemical and Pharmacological Characterization of Phospholipase A2 and Metalloproteinase Fractions from Eastern Russell’s Viper (Daboia siamensis) Venom: Two Major Components Associated with Acute Kidney Injury

Toxins ◽  
2021 ◽  
Vol 13 (8) ◽  
pp. 521
Author(s):  
Janeyuth Chaisakul ◽  
Orawan Khow ◽  
Kulachet Wiwatwarayos ◽  
Muhamad Rusdi Ahmad Rusmili ◽  
Watcharamon Prasert ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Phospholipase A2 ◽  
Protein Identification ◽  
Clinical Manifestations ◽  
Kidney Injury ◽  
Factor X ◽  
Pharmacological Characterization ◽  
Russell’S Viper

Acute kidney injury (AKI) following Eastern Russell’s viper (Daboia siamensis) envenoming is a significant symptom in systemically envenomed victims. A number of venom components have been identified as causing the nephrotoxicity which leads to AKI. However, the precise mechanism of nephrotoxicity caused by these toxins is still unclear. In the present study, we purified two proteins from D. siamensis venom, namely RvPLA2 and RvMP. Protein identification using LCMS/MS confirmed the identity of RvPLA2 to be snake venom phospholipase A2 (SVPLA2) from Thai D. siamensis venom, whereas RvMP exhibited the presence of a factor X activator with two subunits. In vitro and in vivo pharmacological studies demonstrated myotoxicity and histopathological changes of kidney, heart, and spleen. RvPLA2 (3–10 µg/mL) caused inhibition of direct twitches of the chick biventer cervicis muscle preparation. After administration of RvPLA2 or RvMP (300 µg/kg, i.p.) for 24 h, diffuse glomerular congestion and tubular injury with minor loss of brush border were detected in envenomed mice. RvPLA2 and RvMP (300 µg/kg; i.p.) also induced congestion and tissue inflammation of heart muscle as well as diffuse congestion of mouse spleen. This study showed the significant roles of PLA2 and SVMP in snake bite envenoming caused by Thai D. siamensis and their similarities with observed clinical manifestations in envenomed victims. This study also indicated that there is a need to reevaluate the current treatment strategies for Thai D. siamensis envenoming, given the potential for irreversible nephrotoxicity.

scholarly journals RIP3 impedes transcription factor EB to suppress autophagic degradation in septic acute kidney injury

2021 ◽  
Vol 12 (6) ◽  
Author(s):  
Ruizhao Li ◽  
Xingchen Zhao ◽  
Shu Zhang ◽  
Wei Dong ◽  
Li Zhang ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Transcription Factor ◽  
Nuclear Translocation ◽  
Kidney Injury ◽  
Septic Acute Kidney Injury ◽  
Transcription Factor Eb ◽  
Autophagic Degradation ◽  
Lps Treatment

AbstractAutophagy is an important renal-protective mechanism in septic acute kidney injury (AKI). Receptor interacting protein kinase 3 (RIP3) has been implicated in the renal tubular injury and renal dysfunction during septic AKI. Here we investigated the role and mechanism of RIP3 on autophagy in septic AKI. We showed an activation of RIP3, accompanied by an accumulation of the autophagosome marker LC3II and the autophagic substrate p62, in the kidneys of lipopolysaccharide (LPS)-induced septic AKI mice and LPS-treated cultured renal proximal tubular epithelial cells (PTECs). The lysosome inhibitor did not further increase the levels of LCII or p62 in LPS-treated PTECs. Moreover, inhibition of RIP3 attenuated the aberrant accumulation of LC3II and p62 under LPS treatment in vivo and in vitro. By utilizing mCherry-GFP-LC3 autophagy reporter mice in vivo and PTECs overexpression mRFP-GFP-LC3 in vitro, we observed that inhibition of RIP3 restored the formation of autolysosomes and eliminated the accumulated autophagosomes under LPS treatment. These results indicated that RIP3 impaired autophagic degradation, contributing to the accumulation of autophagosomes. Mechanistically, the nuclear translocation of transcription factor EB (TFEB), a master regulator of the lysosome and autophagy pathway, was inhibited in LPS-induced mice and LPS-treated PTECs. Inhibition of RIP3 restored the nuclear translocation of TFEB in vivo and in vitro. Co-immunoprecipitation further showed an interaction of RIP3 and TFEB in LPS-treated PTECs. Also, the expression of LAMP1 and cathepsin B, two potential target genes of TFEB involved in lysosome function, were decreased under LPS treatment in vivo and in vitro, and this decrease was rescued by inhibiting RIP3. Finally, overexpression of TFEB restored the autophagic degradation in LPS-treated PTECs. Together, the present study has identified a pivotal role of RIP3 in suppressing autophagic degradation through impeding the TFEB-lysosome pathway in septic AKI, providing potential therapeutic targets for the prevention and treatment of septic AKI.

α2-Adrenoceptor agonist dexmedetomidine protects septic acute kidney injury through increasing BMP-7 and inhibiting HDAC2 and HDAC5

2012 ◽  
Vol 303 (10) ◽  
pp. F1443-F1453 ◽  
Author(s):  
Chung-Hsi Hsing ◽  
Chiou-Feng Lin ◽  
Edmund So ◽  
Ding-Ping Sun ◽  
Tai-Chi Chen ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Histone Deacetylases ◽  
Trichostatin A ◽  
Histone H3 ◽  
Cecal Ligation ◽  
Kidney Injury ◽  
Protective Effects ◽  
Tnf Α

Bone morphogenetic protein (BMP)-7 protects sepsis-induced acute kidney injury (AKI). Dexmedetomidine (DEX), an α2-adrenoceptor (α2-AR) agonist, has anti-inflammatory effects. We investigated the protective effects of DEX on sepsis-induced AKI and the expression of BMP-7 and histone deacetylases (HDACs). In vitro , the effects of DEX or trichostatin A (TSA, an HDAC inhibitor) on TNF-α, monocyte chemotactic protein (MCP-1), BMP-7, and HDAC mRNA expression in LPS-stimulated rat renal tubular epithelial NRK52E cells, was determined using real-time PCR. In vivo, mice were intraperitoneally injected with DEX (25 μg/kg) or saline immediately and 12 h after cecal ligation and puncture (CLP) surgery. Twenty-four hours after CLP, we examined kidney injury and renal TNF-α, MCP-1, BMP-7, and HDAC expression. Survival was monitored for 120 h. LPS increased HDAC2, HDAC5, TNF-α, and MCP-1 expression, but decreased BMP-7 expression in NRK52E cells. DEX treatment decreased the HDAC2, HDAC5, TNF-α, and MCP-1 expression, but increased BMP-7 and acetyl histone H3 expression, whose effects were blocked by yohimbine, an α2-AR antagonist. With DEX treatment, the LPS-induced TNF-α expression and cell death were attenuated in scRNAi-NRK52E but not BMP-7 RNAi-NRK52E cells. In CLP mice, DEX treatment increased survival and attenuated AKI. The expression of HDAC2, HDAC5, TNF-α, and MCP-1 mRNA in the kidneys of CLP mice was increased, but BMP-7 was decreased. However, DEX treatment reduced those changes. DEX reduces sepsis-induced AKI by decreasing TNF-α and MCP-1 and increasing BMP-7, which is associated with decreasing HDAC2 and HDAC5, as well as increasing acetyl histone H3.

scholarly journals Down-regulation of SNHG16 alleviates the acute lung injury in sepsis rats through miR-128-3p/HMGB3 axis

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Junli Sun ◽  
Keke Xin ◽  
Chenghui Leng ◽  
Jianlin Ge
Keyword(s):  
Acute Lung Injury ◽  
Lung Injury ◽  
Western Blot ◽  
Cell Viability ◽  
Inflammatory Diseases ◽  
Cecal Ligation ◽  
Inflammatory Factors ◽  
Lung Epithelial

Abstract Background Long noncoding RNAs contribute to various inflammatory diseases, including sepsis. We explore the role of small nucleolar RNA host gene 16 (SNHG16) in sepsis-mediated acute lung injury (ALI) and inflammation. Methods A sepsis-induced ALI rat model was constructed by the cecal ligation and perforation method. The profiles of SNHG16, miR-128-3p, and high-mobility group box 3 (HMGB3) were monitored by quantitative reverse transcription PCR and Western blot. The pathologic changes of lung tissues were evaluated by Hematoxylin–Eosin staining, immunohistochemistry, and dry and wet method. Meanwhile, the pro-inflammatory factors and proteins were determined by ELISA and Western blot. In contrast, a sepsis model in BEAS-2B was induced with lipopolysaccharide (LPS) to verify the effects of SNHG16/miR-128-3p/HMGB3 on lung epithelial cell viability and apoptosis. Results As a result, SNHG16 and HMGB3 were up-regulated, while miR-128-3p was down-regulated in sepsis-induced ALI both in vivo and in vitro. Inhibiting SNHG16 reduced the apoptosis and inflammation in the sepsis-induced ALI model. Overexpressing SNHG16 promoted LPS-mediated lung epithelial apoptosis and inhibited cell viability and inflammation, while miR-128-3p had the opposite effects. Mechanistically, SNHG16 targeted miR-128-3p and attenuated its expression, while miR-128-3p targeted the 3′ untranslated region of HMGB3. Conclusions Overall, down-regulating SNHG16 alleviated the sepsis-mediated ALI by regulating miR-128-3p/HMGB3.

scholarly journals The Protective Effect of Sika Deer Antler Protein on Gentamicin-Induced Nephrotoxicity in Vitro and in Vivo

2018 ◽  
Vol 50 (3) ◽  
pp. 841-850 ◽  
Author(s):  
Hang Sun ◽  
Huihai Yang ◽  
Haonan Ruan ◽  
Wei Li ◽  
Xinhong He ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Sika Deer ◽  
Kidney Injury ◽  
Hek293 Cells ◽  
Inflammatory Factors ◽  
Oxidative Stress Marker ◽  
Renal Protection ◽  
Deer Antler

Background/Aims: Sika deer (Cervus nippon Temminck) antler is traditional animal medicine of renal protection in East Asia. This study measured the effect of sika deer antler protein (SDAPR) on gentamicin (GM)-induced cytotoxicity in HEK293 cells, and investigated the effect of SDAPR against GM-induced nephrotoxicity in mice. Methods: HEK293 cells viability and oxidative stress were measured in HEK293 cells while flow cytometry was used for apoptosis analysis. The acute kidney injury biomarkers, kidney injury molecule-1 (KIM-1), neutrophil gelatinase-associated lipocalin (NGAL) and cystatin c (Cys-C), were repeatedly measured by ELISA assay. ICR male mice were randomly assigned six groups: Control, GM with vehicle, single SDAPR, GM with SDAPR at three concentrations 50, 100, 200 mg/kg/d, p.o., 10 d. GM was injected for 8 consecutive days (100 mg/kg/d, i.p.). Renal function, oxidative stress and levels of inflammatory factors were measured in vivo. Renal tissues were stained with H&E to observe pathological changes. Results: Pretreatment with SDAPR (0.5-4.0 mg/mL) significantly improved cell viability. Treatment with SDAPR could reduce KIM-1, NGAL and Cys-C activity. SDAPR could improve antioxidant defense and attenuated apoptosis on HEK293 cells. SDAPR also ameliorated GM-induced histopathologic changes, and decreased blood urea nitrogen (BUN) and serum creatinine (Cr). Additionally, SDAPR significantly regulated oxidative stress marker and interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α) inflammatory cytokines. Conclusion: These results show that SDAPR could be an effective dietary supplement to relieve GM-induced nephrotoxicity by improved antioxidase activity, suppressed inflammation, and inhibited apoptosis in vitro and vivo.

scholarly journals MiR-22-3p suppresses sepsis-induced acute kidney injury by targeting PTEN

2020 ◽  
Vol 40 (6) ◽  
Author(s):  
Xudong Wang ◽  
Yali Wang ◽  
Mingjian Kong ◽  
Jianping Yang
Keyword(s):  
Acute Kidney Injury ◽  
Inflammatory Response ◽  
Periodic Acid ◽  
Kidney Injury ◽  
Luciferase Reporter ◽  
Tunel Staining ◽  
Tnf Α

Abstract Background: Septic acute kidney injury is considered as a severe and frequent complication that occurs during sepsis. The present study was performed to understand the role of miR-22-3p and its underlying mechanism in sepsis-induced acute kidney injury. Methods: Rats were injected with adenovirus carrying miR-22-3p or miR-NC in the caudal vein before cecal ligation. Meanwhile, HK-2 cells were transfected with the above adenovirus following LPS stimulation. We measured the markers of renal injury (blood urea nitrogen (BUN), serum creatinine (SCR)). Histological changes in kidney tissues were examined by hematoxylin and eosin (H&E), Masson staining, periodic acid Schiff staining and TUNEL staining. The levels of IL-1β, IL-6, TNF-α and NO were determined by ELISA assay. Using TargetScan prediction and luciferase reporter assay, we predicted and validated the association between PTEN and miR-22-3p. Results: Our data showed that miR-22-3p was significantly down-regulated in a rat model of sepsis-induced acute kidney injury, in vivo and LPS-induced sepsis model in HK-2 cells, in vitro. Overexpression of miR-22-3p remarkably suppressed the inflammatory response and apoptosis via down-regulating HMGB1, p-p65, TLR4 and pro-inflammatory factors (IL-1β, IL-6, TNF-α and NO), both in vivo and in vitro. Moreover, PTEN was identified as a target of miR-22-3p. Furthermore, PTEN knockdown augmented, while overexpression reversed the suppressive role of miR-22-3p in LPS-induced inflammatory response. Conclusions: Our results showed that miR-22-3p induced protective role in sepsis-induced acute kidney injury may rely on the repression of PTEN.

Ulinastatin Activated The ERK5/Mer Signaling Pathway To Promote Macrophage Efferocytosis And Ameliorate Lung Inflammation

2021 ◽  
Author(s):  
Jinju Li ◽  
Rongge Shao ◽  
Qiuwen Xie ◽  
XueKe Du
Keyword(s):  
Lung Injury ◽  
Signaling Pathway ◽  
Lung Inflammation ◽  
Raw264.7 Cells ◽  
Inflammatory Factors ◽  
Inflammatory Factor ◽  
Dependent Manner ◽  
Anti Inflammatory

Abstract Purpose:Ulinastatin (UTI) is an endogenous protease inhibitor with potent anti-inflammatory, antioxidant and organ protective effects. The inhibitor has been reported to ameliorate inflammatory lung injury but precise mechanisms remain unclear. Methods: An in vivo model of lung injury has been constructed by intratracheal infusion of lipopolysaccharide (LPS). The number of neutrophils and the phagocytosis of apoptotic neutrophils were observed by Diff- Quick method. Lung injury was observed by HE staining .BALF cells were counted by hemocytometer and concentrations of protein plus inflammatory factors were measured with a BCA test kit. During in vitro experiments, RAW264.7 cells were pretreated with UTI (1000 and 5000U/ mL), stained with CellTrackerTM Green B0DIPYTM and HL60 cells added with UV-induced apoptosis and PKH26 Red staining. The expression of ERK5\Mer related proteins was detected by western blot and immunofluorescence.Results: An in vivo model of lung injury has been constructed by intratracheal infusion of lipopolysaccharide (LPS). UTI treatment enhanced the phagocytotic effect of mouse alveolar macrophages on neutrophils, alleviated lung lesions, decreased the pro-inflammatory factor and total protein content of BALF and increased levels of anti-inflammatory factors. in vitro experiments ，UTI enhanced the phagocytosis of apoptotic bodies by RAW264.7 cells in a dose-dependent manner. Increased expression levels of ERK5 and Mer by UTI were shown by Western blotting and immunofluorescence.Conclusions: UTI mediated the activation of the ERK5/Mer signaling pathway, enhanced phagocytosis of neutrophils by macrophages and improved lung inflammation. The current study indicates potential new clinical approaches for accelerating the recovery from lung inflammation.

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