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PubMed Journals Articles About "Inhibition PHGDH Attenuates Bleomycin Induced Pulmonary Fibrosis" RSS

20:53 EDT 26th April 2018 | BioPortfolio

Inhibition PHGDH Attenuates Bleomycin Induced Pulmonary Fibrosis PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Inhibition PHGDH Attenuates Bleomycin Induced Pulmonary Fibrosis articles that have been published worldwide.

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Showing "Inhibition PHGDH Attenuates Bleomycin induced Pulmonary Fibrosis" PubMed Articles 1–25 of 22,000+

Inhibition of PHGDH Attenuates Bleomycin-induced Pulmonary Fibrosis.

Organ fibrosis, including idiopathic pulmonary fibrosis (IPF), is associated with significant morbidity and mortality. Since currently available therapies have limited effect, there is need to better understand the mechanisms by which organ fibrosis occurs. We have recently reported that TGF-β, a key cytokine which promotes fibrogenesis, induces the expression of the enzymes of the de novo serine and glycine synthesis pathway in human lung fibroblasts and that phosphoglycerate dehydrogenase (PHGDH, the fir...


Syndecan-2 Attenuates Radiation-induced Pulmonary Fibrosis and Inhibits Fibroblast Activation by Regulating PI3K/Akt/ROCK Pathway via CD148.

Radiation-induced pulmonary fibrosis is a severe complication of patients treated with thoracic irradiation. We have previously shown that syndecan-2 reduces fibrosis by exerting alveolar epithelial cytoprotective effects. Here, we investigate whether syndecan-2 attenuates radiation-induced pulmonary fibrosis by inhibiting fibroblast activation.

Involvement of ER stress, PI3K/AKT activation, and lung fibroblast proliferation in bleomycin-induced pulmonary fibrosis.

Pulmonary fibrosis is characterized by fibroblast proliferation and extracellular matrix remodelling, leading to respiratory insufficiency. The mechanisms underlying this progressive and devastating disease remain unclear. Conditions that can impair the function of the endoplasmic reticulum (ER) cause accumulation of unfolded or misfolded proteins, resulting in ER stress and activation of the unfolded protein response (UPR). ER stress has been implicated in many conditions including cancer, diabetes, obesit...


The Rho Kinase Isoforms ROCK1 and ROCK2 Each Contribute to the Development of Experimental Pulmonary Fibrosis.

Pulmonary fibrosis is thought to result from dysregulated wound repair after repetitive lung injury. Many cellular responses to injury involve rearrangements of the actin cytoskeleton mediated by the two isoforms of the Rho-associated coiled coil forming protein kinase, ROCK1 and ROCK2. Additionally, profibrotic mediators such as transforming growth factor-beta (TGF-β), thrombin and lysophosphatidic acid (LPA) act through receptors that activate ROCK. Inhibition of ROCK activation may be a potent therapeut...

Toll-like receptor expression in pulmonary sensory neurons in the bleomycin-induced fibrosis model.

Airway sensory nerves are known to express several receptors and channels that are activated by exogenous and endogenous mediators that cause coughing. Toll-like receptor (TLR) s are expressed in nociceptive neurons and play an important role in neuroinflammation. However, there have been very few studies of TLR expression in lung-derived sensory neurons or their relevance to respiratory symptoms such as cough. We used the bleomycin-induced pulmonary fibrosis model to investigate the change in TLR expressio...

Protective effect of hydroxysafflor yellow A on bleomycin- induced pulmonary inflammation and fibrosis in rats.

To observe the effect of hydroxysafflor yellow A (HSYA), an active ingredient of a traditional Chinese herbal medicine Carthamus tinctorius L., on lung inflflammation and pulmonary fibrosis induced by bleomycin (BLM) in rats.

Dietary NaCl affects bleomycin-induced lung fibrosis in mice.

High levels of NaCl in the diet are associated with both cardiac and renal fibrosis, but whether salt intake affects pulmonary fibrosis has not been examined.

Submicron emulsion of cinnamaldehyde ameliorates bleomycin-induced idiopathic pulmonary fibrosis via inhibition of inflammation, oxidative stress and epithelial-mesenchymal transition.

Idiopathic pulmonary fibrosis (IPF) is the most frequent and severe form of idiopathic interstitial pneumonias. The pathogenesis is associated with inflammation and oxidative stress and epithelial-mesenchymal transition (EMT). Cinnamaldehyde exhibits antiinflammatory and antioxidant properties, but its effect on IPF is unknown. The present study is to investigate the anti-fibrotic effect and action mechanism of cinnamaldehyde on IPF.

Edaravone attenuates lipopolysaccharide-induced acute respiratory distress syndrome associated early pulmonary fibrosis via inhibition of oxidative stress and transforming growth factor-β1/Smad3 signaling.

Pulmonary fibrosis is responsible for the both short-term and long-term outcomes in patients with acute respiratory distress syndrome (ARDS). There is still no effective cure to improve prognosis. The purpose of this study was to investigate whether edaravone, a free radical scavenger, have anti-fibrosis effects in the rat model of ARDS associated early pulmonary fibrosis by lipopolysaccharide (LPS) administration. Rats were subjected to intravenous injection of LPS, and edaravone was given intraperitoneall...

Apixaban attenuates ischemia-induced myocardial fibrosis by inhibition of Gq/PKC signaling.

It was previously found that patients with symptom of myocardial dysfunction had increased levels of thrombin. Apixaban is one of the novel oral anticoagulant drugs widely used in clinic. As the inhibitor of FXa (prothrombin), it inhibits prothrombin conversion into thrombin leading to thrombin deficiency in vivo. However, the effects of apixaban on myocardial fibrosis were still unclear, and the concomitant molecular mechanisms remain to be investigated. Here, we showed that myocardial fibrosis-bearing mic...

A Lipidomics Approach to Identifying Key Lipid Species Involved in VEGF-Inhibitor Mediated Attenuation of Bleomycin-Induced Pulmonary Fibrosis.

Poor molecular characterization of idiopathic pulmonary fibrosis (IPF) has led to insufficient understanding of the pathogenesis of the disease, resulting in lack of effective therapies and poor prognosis. Particularly, the role of lipid imbalance due to impaired lipid metabolism in the pathogenesis of IPF has been poorly studied.

Therapeutic administration of inhaled INS1009, a treprostinil prodrug formulation, inhibits bleomycin-induced pulmonary fibrosis in rats.

Idiopathic pulmonary fibrosis is a progressive and lethal disease and while there are now two approved drugs (Esbriet® and Ofev®) additional effective treatments are still needed. Recently, prostacyclin analogs such as iloprost and treprostinil (TRE) have been shown to exert some protection against bleomycin-induced pulmonary fibrosis in mice when administered in a prophylactic regimen. In this study, we evaluated the effect of the inhaled treprostinil prodrug hexadecyl-treprostinil (C16TR) formulated in ...

Regulation of TGF-β/Smad Mediated Epithelial-Mesenchymal Transition by Celastrol Provides Protection against Bleomycin-induced Pulmonary Fibrosis.

The respiratory disease pulmonary fibrosis (PF), which is characterized by scar formation throughout the lung, imposes a serious health burden. No effective drug without side effects has been proven to prevent this fatal lung disease. In this context, the present study was undertaken to elucidate the protective effect of celastrol, a quinine methide pentacyclic triterpenoid from a Chinese medicinal plant 'thunder God vine' against bleomycin (BLM)-induced PF. We also attempted to study how the cytokine trans...

Therapeutic effect and mechanism of carboxyamidotriazole on the pulmonary fibrosis of mice induced by bleomycin.

To investigate the treatment effect of carboxyamidotriazole (CAI) on bleomycin induced lung fibrosis in mice, and the potential mechanism involved.A total of 45 mice were divided into three groups randomly. Blank control group (blank group): after a one-time tail vein injection of saline solution 0.2 ml, mice were given polyethylene glycol 400 (PEG-400) 0.1 ml/10 g by gavage once daily for 14 days; the bleomycin group (BLM group): after a one-time tail vein injection of bleomycin 150 mg/kg, mice were given ...

Emodin Attenuates Bleomycin-Induced Pulmonary Fibrosis via Anti-Inflammatory and Anti-Oxidative Activities in Rats.

BACKGROUND Idiopathic pulmonary fibrosis (IPF) can severely damage lung function, which may result in death. Emodin is a major ingredient of rhubarb and has been proven to protect against lung disruptions. Our study focused on the potential medicinal effect of emodin against IPF. MATERIAL AND METHODS The experiment subjects were fully-grown male Sprague-Dawley rats with average weight of 180-220 kg. Histological analyses, Western blotting analysis, quantitative real-time PCR, and statistical analysis were u...

Tubastatin ameliorates pulmonary fibrosis by targeting the TGFβ-PI3K-Akt pathway.

Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive and fatal disease. Histone deacetylase 6 (HDAC6) alters function and fate of various proteins via deacetylation of lysine residues, and is implicated in TGF-β1-induced EMT (epithelial-mesenchymal transition). However, the role of HDAC6 in pulmonary fibrosis is unknown.

The safety and efficacy of light emitting diodes-based ultraviolet A1 phototherapy in bleomycin-induced scleroderma in mice.

To define the efficacy and safety of narrowband ultraviolet A1 (UVA1) for the treatment of dermal fibrosis in bleomycin-induced mouse model of scleroderma.

Time course of polyhexamethyleneguanidine phosphate-induced lung inflammation and fibrosis in mice.

Pulmonary fibrosis is a chronic progressive disease with unknown etiology and has poor prognosis. Polyhexamethyleneguanidine phosphate (PHMG-P) causes acute interstitial pneumonia and pulmonary fibrosis in humans when it exposed to the lung. In a previous study, when rats were exposed to PHMG-P through inhalation for 3 weeks, lung inflammation and fibrosis was observed even after 3 weeks of recovery. In this study, we aimed to determine the time course of PHMG-P-induced lung inflammation and fibrosis. W...

A fully automated image analysis method to quantify lung fibrosis in the bleomycin-induced rat model.

Intratracheal administration of bleomycin induces fibrosis in the lung, which is mainly assessed by histopathological grading that is subjective. Current literature highlights the need of reproducible and quantitative pulmonary fibrosis analysis. If some quantitative studies looked at fibrosis parameters separately, none of them quantitatively assessed both aspects: lung tissue remodeling and collagenization. To ensure reliable quantification, support vector machine learning was used on digitalized images t...

Oleanolic acid acetate attenuates polyhexamethylene guanidine phosphate-induced pulmonary inflammation and fibrosis in mice.

Oleanolic acid acetate (OAA), triterpenoid compound isolated from Vigna angularis (azuki bean), has been revealed anti-inflammatory in several studies. We investigated the effects of OAA against polyhexamethylene guanidine phosphate (PHMG-P)-induced pulmonary inflammation and fibrosis in mice. OAA treatment effectively alleviated PHMG-P-induced lung injury, including the number of total and differential cell in BAL fluid, histopathological lesions and hydroxyproline content in a dose dependent manner. Moreo...

Knockdown of Smad7 With a Specific Antisense Oligonucleotide Attenuates Colitis and Colitis-Driven Colonic Fibrosis in Mice.

In Crohn's disease (CD), the pathogenic immune response is associated with high Smad7, an inhibitor of TGF-β1 signaling. Smad7 knockdown with Mongersen, a specific antisense oligonucleotide-containing compound, restores TGF-β1 activity leading to inhibition of inflammatory signals and associates with clinical benefit in CD patients. As TGF-β1 is pro-fibrogenic, it remains unclear whether Mongersen-induced Smad7 inhibition increases the risk of intestinal fibrosis. We assessed the impact of Smad7 inhibiti...

Bleomycin electrosclerotherapy: new treatment to manage vascular malformations.

Venous malformations are congenital anomalies of the vascular system. The injection of bleomycin (a cytotoxic, antitumour drug) into the lesion is a safe and effective treatment for low-flow (venous and lymphatic) malformations, but its use systemically has been associated with pulmonary fibrosis. Intralesional injection of bleomycin is considered to have a lower risk, but caution should be used when planning treatment, with particular regard to respiratory function. Electroporation is the temporary applica...

Rosmarinic acid potentiates carnosic acid induced apoptosis in lung fibroblasts.

Pulmonary fibrosis is characterized by over-population and excessive activation of fibroblasts and myofibroblasts disrupting normal lung structure and functioning. Rosemary extract rich in carnosic acid (CA) and rosmarinic acid (RA) was reported to cure bleomycin-(BLM)-induced pulmonary fibrosis. We demonstrate that CA decreased human lung fibroblast (HLF) viability with IC50 value of 17.13±1.06 μM, while RA had no cytotoxic effect. In the presence of 50 μM of RA, dose-response for CA shifted to IC50 val...

Gentiopicroside ameliorates bleomycin-induced pulmonary fibrosis in mice via inhibiting inflammatory and fibrotic process.

Pulmonary fibrosis (PF) is a chronic and ultimately fatal interstitial lung disease of various causes. The advent of nintedanib and pirfenidone provides treatment options for PF patients for the first time. However, the adverse effects of the two drugs such as gastrointestinal disorders and hepatic dysfunction often lead to treatment discontinuation. Gentiopicroside (GPS) is a natural secoiridoid glycoside from gentian species of medicinal plants, and has a variety of pharmacological activities, including h...

CpG-oligodeoxynucleotides may be effective for preventing ionizing radiation induced pulmonary fibrosis.

Pulmonary fibrosis is a serious adverse effect of radiotherapy for thoracic tumor, which is believed to be a process that is tightly regulated by the phenotype of the developing Th response after radiation. Here, we will investigate whether CpG-oligodeoxynucleotides (ODN) prevent radiation-induced pulmonary fibrosis by shifting the imbalance of Th1 and Th2 response and summarizes the possible mechanism. In this study, female C57BL/6 mice were chosen to preform pulmonary fibrosis model, the whole-thorax of m...


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