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https://www.readbyqxmd.com/read/28945041/-dynamic-serum-metabolomics-study-of-liver-injury-in-rats-caused-by-polygonum-multifulorum
#1
Zhi-Jie Ma, Qi Li, Kui-Jun Zhao, Jia-Bo Wang, Xiao-He Xiao
Liquid chromatography-mass spectrometry method was used for determination of metabolic fingerprint spectrum in rat serum, and the method of multivariate statistical analysis was used to compare the metabolism spectrum difference and screen significantly related biomarkers. The dynamic change trend was investigated at the same time. The dynamic metabonomics changes of liver injury in rats caused by Polygonum multifulorum(PM) were investigated; significantly related biomarkers were found and their dynamic change trend was investigated to provide basis for internal mechanism and early clinical diagnosis...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28945039/-effects-of-xuesaitong-injection-on-inflammation-induced-by-ogd-reoxygenation-in-bv2-microglia
#2
Qian Hong, Shi Wang, Chang-Xiu Chen, Yu Zhang, Yang Wang, Yuan Pan, Zeng-Chun Ma
The present study aims to investigate the effects of Xuesaitong (XST)injection on inflammation induced by OGD/reoxygenation in BV2 microglia cell and explore the underlying mechanisms.The effects of XST injection were evaluated in terms of cell viability, secretion of TNF-α, IL-1β, IL-6 and IL-10 into culture media, protein expression of p-ERK1/2, p-JNK and p-p38, and nuclear translocation of NF-κB p65. The results showed that XST injection significantly increased cell viability, suppressed release of TNF-α, IL-1β, IL-6 and IL-10 and down-regulated p-JNK1/2 and p-p38 MAPK expression in BV2 microglia cells induced by OGD/R injury, whereas it had no effect on p-ERK1/2 expression...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28945035/-preliminary-research-on-effect-of-licorice-processed-tripterygium-wilfordii-on-reducing-liver-toxicity
#3
Xiao-Mei Zhao, Man Gong, Jie-Ming Dong, Jia-Bo Wang, Xiao-He Xiao, Kui-Jun Zhao, Zhi-Jie Ma
To explore the effect of the licorice-processed Tripterygium wilfordii on reducing the liver toxicity. In animal experiments, the liver toxicity of T. wilfordii was evaluated both before and after processing, and the differences in liver tissue biopsy, serum biochemical indexes and inflammatory cell factor among blank group, T. wilfordii group and licorice-processed T. wilfordii group were observed. Liver tissue biopsy results showed that liver tissue injury was obvious in T. wilfordii group, and no obvious injury was found in licorice-processed T...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28945024/-pathogenesis-and-treatment-of-insulin-resistance-in-chronic-kidney-disease-and-interventional-effects-of-chinese-herbal-medicine
#4
REVIEW
Wei Wu, Jing-Jing Yang, Yi-Gang Wan, Yue Tu, Ge Shi, Wen-Bei Han, Bu-Hui Liu, Jian Yao
The kidney is the target organ of insulin with abundant insulin receptors. Thereinto,the renal intrinsic cells including glomerular podocytes,endothelial cells,mesangial cells,renal tubular epitheliums and collecting duct epithelial cells are all highly sensitive to insulin as the effector cells. Furthermore,the structural and functional abnormalities of these cells are closely related to insulin and its receptors activity. It is reported that the chronic kidney disease(CKD)patients have systemic or renal insulin resistance(IR)...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28945013/pro-regenerative-hydrogel-restores-scarless-skin-during-cutaneous-wound-healing
#5
Guoming Sun
The transformation of fibrotic healing process to regenerative one has great potential to fully restore wounded skin. The M2 macrophage phenotype promotes constructive tissue remodeling and instructs tissue repair in a regenerative manner. It is hypothesized that hydrogels that can establish robustness of endogenous cells to regulate M2 phenotype will promote constructive dermal remodeling. Toward this end, a series of dextran-based bioabsorbable hydrogels are developed and self-crosslinkable dextran-isocyanatoethyl methacrylate-ethylamine (DexIEME) is identified as the potential scaffold...
September 25, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28944957/hot-air-treatment-reduces-postharvest-decay-and-delays-softening-of-cherry-tomato-by-regulating-gene-expression-and-activities-of-cell-wall-degrading-enzymes
#6
Yingying Wei, Dandan Zhou, Zhenjie Wang, Sicong Tu, Xingfeng Shao, Jing Peng, Leiqing Pan, Kang Tu
BACKGROUND: Fruit softening facilitates pathogen infection and postharvest decay, leading to the reduction of shelf-life. Hot air (HA) treatment at 38 °C for 12 h is effective in reducing postharvest disease and chilling injury of tomato fruit. To explore the effect and mechanism of HA treatment on reducing postharvest decay and softening of cherry tomato, fruit at the mature green stage were treated with HA and then stored at 20 °C for 15 days. Changes in natural decay incidence, firmness, cell wall compositions, activities and gene expression of cell wall-degrading enzymes of cherry tomatoes were assessed...
September 25, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28944949/the-research-progress-of-mesenchymal-stem-cells-in-the-treatment-of-traumatic-brain-injury
#7
Gang Li, Yue Yang, Hua-Jiang Dong, Ling Lin
Traumatic brain injury (TBI) is the leading cause of mortality and morbidity in children and adults throughout the world. It is urgent to ameliorate TBI damage and reduce the disability and case-fatality rate. Stem cell therapy is another medical revolution after drug and surgical medication. Mesenchymal stem cells (MSCs) are a class of cells with significant self-renewal and multi-lineage differentiation properties and be favorable for the treatment of various diseases and injuries, it could be envisioned that MSCs transplantation may be a promising treatment for TBI...
July 16, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28944947/posttraumatic-cerebral-infarction-after-decompressive-craniectomy-for-traumatic-brain-injury-incidence-risk-factors-and-outcome
#8
Tsung-Ming Su, Chu-Mei Lan, Tsung-Han Lee, Fu-Yuan Shih, Shih-Wei Hsu, Cheng-Hsien Lu
AIM: To investigate the incidence, timing, risk factors of posttraumatic cerebral infarction (PTCI) and its influence on mortality in patients with moderate to severe traumatic brain injury (TBI). MATERIAL AND METHODS: After reviewing the medical records and radiographs over a 6-year period, 173 patients with moderate to severe TBI were enrolled to determine the risk factors for the development of PTCI following unilateral decompressive craniectomy (DC). RESULTS: The incidence of PTCI following DC was 31...
July 23, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28944943/effect-of-systemic-application-of-bone-marrow-derived-mesenchymal-stem-cells-on-healing-of-peripheral-nerve-injury-in-an-experimental-sciatic-nerve-injury-model
#9
Zahir Kizilay, Serdar Aktas, Nesibe Kahraman Cetin, Didem Bakay Ilhan, Gulfem Ersoy, Haydar Ali Erken
AIM: To investigate the effects of systemic application of bone marrow-derived mesenchymal stem cells in a compression model of peripheral nerve injury. MATERIAL AND METHODS: 24 male Wistar albino rats were randomly divided into 3 equal groups (n=8):Control (C),injury (I),and stem cell and injury (SI).The sciatic nerve of rats in the I and SI groups was subjected to clip compression for 5 minutes.Moreover,approximately 5x105 bone marrow-derived mesenchymal stem cells were given via tail vein of the rats in the SI group immediately after clip compression...
July 12, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28944930/protective-effect-of-catalpol-on-nicotine%C3%A2-induced-injury-of-alveolar-bone-and-associated-underlying-mechanisms
#10
Yanwu Li, Xingai Jin, Limin Mao
Smoking is an important factor that causes periodontitis, which manifests as alveolar bone injury and absorption, and has a high incidence and unfavorable treatment efficacy. Nicotine causes ischemia and inflammation of the periodontium and inhibits the mineralization of alveolar bones. Previous studies have revealed the anti‑tumor biological activities of catalpol, in addition to neuroprotection and anti‑inflammation. The present study therefore investigated the underlying protective mechanism of catalpol in alveolar bone injury...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944927/%C3%AE-7-nicotinic-acetylcholine-receptor-agonist-attenuates-the-cerebral-injury-in-a-rat-model-of-cardiopulmonary-bypass-by-activating-the-akt-gsk3%C3%AE-pathway
#11
Yingjie Sun, Dandan Song, Mei Wang, Keyan Chen, Tiezheng Zhang
α7 nicotinic acetylcholine receptor (α7nAchR) agonist treatment may provide a promising therapeutic effect for cerebral injuries. However, it is unclear whether the activation of α7nAchR agonist may reduce cerebral injuries induced by cardiopulmonary bypass (CPB). A total of 96 male Sprague‑Dawley rats were randomly divided into four groups (n=24/group): i) Sham operation group; ii) CPB group; iii) CPB + α7nAchR agonist group; and iv) CPB + α7nAchR agonist + α7nAchR antagonist group. Following treatment, 24 rats from each group were sacrificed and the serum and hippocampal tissues were collected...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944925/autophagy-is-activated-to-protect-renal-tubular-epithelial-cells-against-iodinated-contrast-media%C3%A2-induced-cytotoxicity
#12
Na Liu, Rong Lei, Mi-Mi Tang, Wei Cheng, Min Luo, Qian Xu, Shao-Bin Duan
With the steady increase in the use of various contrast‑related technologies in recent years, contrast‑induced nephropathy has received significant attention from clinicians and researchers. The present study aimed to determine the potential role of autophagy in iodinated contrast media (CM)‑induced cell injury and apoptosis in human proximal renal tubular epithelial HK‑2 cells. The present study used the iodinated CM iohexol (200 mg iodine/ml) to treat HK‑2 cells for 6 h, in order to establish a damaged cell model...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944924/cyclic-helix-b-peptide-protects-hk%C3%A2-2-cells-from-oxidative-stress-by-inhibiting-er-stress-and-activating-nrf2-signalling-and-autophagy
#13
Long Li, Miao Lin, Lexi Zhang, Shang Huang, Chao Hu, Long Zheng, Liping Li, Chao Zhang, Cheng Yang, Yaqiu Long, Ruiming Rong, Tongyu Zhu
Renal ischemia‑reperfusion injury (IRI) is present in numerous diseases and is observed following certain treatments, including renal transplantation. Preventing tubular epithelial cells (TECs) from undergoing apoptosis is vital for treatment of renal IRI. Cyclic helix B peptide (CHBP) is a novel agent that has a protective effect on renal IRI in vivo. In the present study, the effect and underlying mechanism of CHBP on TECs was investigated. The HK‑2 human renal proximal tubular epithelial cell line was treated with 500 µmol/l H2O2 for 4 h prior to determining the effect of CHBP pretreatment for 1 h on cell viability, caspase 3 activity and expression levels, expression levels of oxidative stress markers, endoplasmic reticulum (ER) stress markers, NF‑E2‑related factor 2 (Nrf2), heme oxygenase‑1 (HO‑1) and autophagy markers...
September 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944915/neuroprotective-effect-of-total-flavonoids-from-ilex-pubescens-against-focal-cerebral-ischemia-reperfusion-injury-in-rats
#14
Xiaoyan Fang, Yujie Li, Jingyi Qiao, Ying Guo, Mingsan Miao
Ilex pubescens is commonly used in traditional Chinese medicine to treat cardiovascular and cerebrovascular diseases, such as coronary artery disease and stroke. However, the underlying mechanisms remain to be fully elucidated. The aim of the present study was to investigate the effects of Ilex pubescens total flavonoids (IPTF) on neuroprotection and the potential mechanisms in a rat model of focal cerebral ischemia/reperfusion (I/R) injury. Rats were pretreated with intragastric administration of IPTF at doses of 200 and 100 mg/kg for 5 days; middle cerebral artery occlusion surgery was then performed to induce cerebral I/R injury...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944913/oleanolic-acid-alleviates-diabetic-rat-carotid-artery-injury-through-the-inhibition-of-nlrp3-inflammasome-signaling-pathways
#15
Qian An, Qian Hu, Bing Wang, Wenjun Cui, Fei Wu, Yu Ding
The overexpression of inflammasome components is correlated with diabetes‑associated complications. Oleanolic acid is a triterpenoid compound which is important in arterial injury. The present study evaluated whether oleanolic acid improved diabetic rat carotid artery injury through the inhibition of nucleotide‑binding domain, leucine‑rich‑containing family, pyrin domain‑containing‑3 (NLRP3) inflammasomes signaling pathways. A diabetic rat model was induced using streptozotocin (60 mg/kg) and underwent carotid artery injury...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944912/dhhp%C3%A2-6-attenuates-cerebral-ischemia%C3%A2-reperfusion-injury-in-rats-through-the-inhibition-of-apoptosis
#16
Yingshi Ji, Xin Yan, Yang Hu, Huan Xue, Jianfeng Sun, Huaqiu Chen, Jiayu Zhang, Liping Wang, Baigong Xue, Li Sun
As a novel reactive oxygen species (ROS) scavenger, deuterohemin His peptide‑6 (DhHP‑6) has been demonstrated to prolong the lifespan of Caenorhabditis elegans and has also exhibited protective effects in myocardial ischemia‑reperfusion injury. Whether similar effects occur during cerebral ischemia‑reperfusion (CIR) injury remains to be elucidated. The present study evaluated the function of DhHP‑6 and its underlying mechanisms in a middle cerebral artery occlusion (MCAO) model in rats. The focal transient MCAO model was implemented using the Longa method of ischemia for 2 h followed by reperfusion for 22 h in male Wistar rats...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944905/myricitrin-decreases-traumatic-injury-of-the-spinal-cord-and-exhibits-antioxidant-and-anti%C3%A2-inflammatory-activities-in-a-rat-model-via-inhibition-of-cox%C3%A2-2-tgf%C3%A2-%C3%AE-1-p53-and-elevation-of-bcl%C3%A2-2-bax-signaling-pathway
#17
Yang Lei
Myricitrin has multiple effects, including antagonism of platelet activating factor, regulation of blood sugar levels, oxidation resistance, protection of the liver and the relieving of ethylism. The present study evaluated how myricitrin weakens traumatic injury of the spinal cord (TISC), and exhibits antioxidant and anti‑inflammatory activities in a rat model. TISC model rats were injected intraperitoneally with 5, 10 or 30 mg/kg/day of myricitrin for 5 days. Basso‑Beattie‑Bresnahan evaluation of locomotion and water content of spinal cord were used to analyze the effects of myricitrin on TISC...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944903/gpvi%C3%A2-fc%C3%A2-peg-improves-cerebral-infarct-volume-and-cerebral-thrombosis-in-mouse-model-with-cerebral-thrombosis
#18
Yimae Wufuer, Xuefeng Shan, Magaoweiya Sailike, Kamile Adilaimu, Songfeng Ma, Huguo Wang
Cerebral thrombosis is one of the most common causes of cerebral infarction, and anticoagulation therapy is a routine treatment in patients with hemorrhagic cerebral venous thrombosis. The hemostatic function of platelets is important for the anticoagulation therapy of thrombosis. Glycoprotein VI (GPVI) is reported as the major signaling receptor for collagen and is exclusively expressed on platelets and megakaryocytes, initiating platelet recruitment at sites of vascular injury and demonstrating numerous beneficial effects for patients with cerebral thrombosis...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944884/antioxidant-and-anti%C3%A2-inflammatory-effects-of-dhk%C3%A2-medicated-serum-on-high-glucose%C3%A2-induced-injury-in-endothelial-cells
#19
Ziyang Zhang, Wenpei Chen, Yandong Wang, Tianqin Xiong, Chenghao Zhou, Xiaolan Yao, Baoqin Lin
It has been shown that oxidative damage and inflammation caused by hyperglycemia in endothelial cells are key factors triggering diabetic vascular complications. The aim of the present study was to investigate the antioxidant and anti‑inflammatory effects of Danhong Huayu Koufuye (DHK)‑medicated serum on high glucose (HG)‑induced injury in endothelial cells, and examine its underlying mechanisms. EA. hy926 cells were treated with normal glucose, HG, or HG with DHK‑medicated serum. Cell viability was assessed using the MTT method...
September 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944883/baicalein-protects-tert%C3%A2-butyl-hydroperoxide%C3%A2-induced-hepatotoxicity-dependent-of-reactive-oxygen-species-removal
#20
Ya-Fang Wang, Zheng-Hai Tang, Ting Li, Xiao-Huang Xu, Xiuping Chen, Ying Wang, Yi-Tao Wang, Jin-Jian Lu
Baicalein (BA), one of the major bioactive flavonoids isolated from Scutellariae Radix, possesses various pharmacological activities. The present study aimed to investigate the protective effects of BA on tert‑butyl hydroperoxide (t‑BHP)‑induced hepatotoxicity, and to investigate the potential mechanisms in LO2 cells. BA was demonstrated to possess protective properties against t‑BHP injury in LO2 cells, as evidenced by MTT and lactate dehydrogenase assays. BA significantly prevented t‑BHP‑induced depolarization of mitochondrial membrane potential (MMP), decreased the percentage of apoptotic cells caused by t‑BHP, and prevented intracellular reactive oxygen species (ROS) generation in LO2 cells...
September 22, 2017: Molecular Medicine Reports
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