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https://www.readbyqxmd.com/read/29156835/indonesian-herbal-medicine-prevents-hypertension-induced-left-ventricular-hypertrophy-by-diminishing-nadph-oxidase-dependent-oxidative-stress
#1
Erna Sulistyowati, Jong-Hau Hsu, Yuan-Bin Cheng, Fang-Rong Chang, Ying-Fu Chen, Jwu-Lai Yeh
Indonesian herbal medicine Centella asiatica, Justicia gendarussa and Imperata cylindrica decoction (CJID) are known to be efficacious for hypertension. Oxidative stress plays an important role in hypertension-induced left ventricular hypertrophy (H-LVH). This study evaluated whether CJID inhibit cardiac remodeling in spontaneously hypertensive rats (SHRs) through mechanism of oxidative stress-related cardiac-NADPH oxidase (NOXs) pathway: NOX1, NOX2 and NOX4. Forty-weeks-old SHRs and normotensive-WKY rats, were both randomly divided into 2 groups: CJID and control...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156826/protective-effect-of-ginkgo-biloba-leaves-extract-egb761-on-myocardium-injury-in-ischemia-reperfusion-rats-via-regulation-of-tlr-4-nf-%C3%AE%C2%BAb-signaling-pathway
#2
Yuping Tang, Guisheng Zhou, Lijun Yao, Ping Xue, Danhong Yu, Renjie Xu, Wen Shi, Xin Yao, Zhaowei Yan, Jin-Ao Duan
Beneficial actions of EGb 761 against ischemia/reperfusion (I/R) injury in lung, brain and renal ischemia have been described. However, the relationship between EGb 761 and signal molecules in myocardial ischemia reperfusion has not been well elucidated. In this study, we investigated the effects and mechanism of EGb 761 preconditioning on anti-myocardial I/R injuries in vivo. Meanwhile, their potential anti-oxidative stress and anti-inflammation effect were assessed. Hemodynamic parameters were monitored as left ventricular systolic pressure, LV end-diastolic pressure and maximal rate of increase and decrease of left ventricular pressure (dP/dtmax)...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156764/the-neil1-g83d-germline-dna-glycosylase-variant-induces-genomic-instability-and-cellular-transformation
#3
Heather A Galick, Carolyn G Marsden, Scott Kathe, Julie A Dragon, Lindsay Volk, Antonia A Nemec, Susan S Wallace, Aishwarya Prakash, Sylvie Doublié, Joann B Sweasy
Base excision repair (BER) is a key genome maintenance pathway. The NEIL1 DNA glycosylase recognizes oxidized bases, and likely removes damage in advance of the replication fork. The rs5745906 SNP of the NEIL1 gene is a rare human germline variant that encodes the NEIL1 G83D protein, which is devoid of DNA glycosylase activity. Here we show that expression of G83D NEIL1 in MCF10A immortalized but non-transformed mammary epithelial cells leads to replication fork stress. Upon treatment with hydrogen peroxide, we observe increased levels of stalled replication forks in cells expressing G83D NEIL1 versus cells expressing the wild-type (WT) protein...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156622/advanced-glycation-end-products-in-the-pathogenesis-of-psoriasis
#4
REVIEW
Anastasia Papagrigoraki, Martina Maurelli, Micol Del Giglio, Paolo Gisondi, Giampiero Girolomoni
Advanced glycation end products (AGEs) are extremely oxidant and biologically reactive compounds, which form through oxidation of sugars, lipids and amino acids to create aldehydes that bind covalently to proteins. AGEs formation and accumulation in human tissues is a physiological process during ageing but it is enhanced in case of persistent hyperglycemia, hyperlipidemia and oxidative or carbonyl stress, which are common in patients with moderate to severe psoriasis. Exogenous AGEs may derive from foods, UV irradiation and cigarette smoking...
November 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156538/combined-effects-of-simulated-microgravity-and-radiation-exposure-on-osteoclast-cell-fusion
#5
Srinivasan Shanmugarajan, Ye Zhang, Maria Moreno-Villanueva, Ryan Clanton, Larry H Rohde, Govindarajan T Ramesh, Jean D Sibonga, Honglu Wu
The loss of bone mass and alteration in bone physiology during space flight are one of the major health risks for astronauts. Although the lack of weight bearing in microgravity is considered a risk factor for bone loss and possible osteoporosis, organisms living in space are also exposed to cosmic radiation and other environmental stress factors. As such, it is still unclear as to whether and by how much radiation exposure contributes to bone loss during space travel, and whether the effects of microgravity and radiation exposure are additive or synergistic...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156532/paclitaxel-alleviated-liver-injury-of-septic-mice-by-alleviating-inflammatory-response-via-microrna-27a-tab3-nf-%C3%AE%C2%BAb-signaling-pathway
#6
Qiu Yang, Dongshan Zhang, Ya Li, Yongquan Li, Yinpeng Li
Excessive inflammatory response and apoptosis play an important role in the sepsis-induced liver injury. Paclitaxel, a diterpene alkaloid of Taxus brevifolia, is widely used as an anti-tumor drug and shows protective effects on acute lung and kidney injury. However, whether it has a protective effect against sepsis-induced liver injury has not been reported. The objective of this study was to investigate the protective effects of paclitaxel in septic liver injury in mice and associated molecular mechanisms...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156529/alpinetin-improved-high-fat-diet-induced-non-alcoholic-fatty-liver-disease-nafld-through-improving-oxidative-stress-inflammatory-response-and-lipid-metabolism
#7
Yong Zhou, Yin-Lu Ding, Jian-Liang Zhang, Peng Zhang, Jin-Qing Wang, Zhao-Hua Li
The non-alcoholic fatty liver disease (NAFLD) has become a serious medical problem and an increasing threat to public health. It is characterized by the abnormal fat accumulation in liver without excessive alcohol intake. The concurrent NAFLD might up-regulate the risk of chronic kidney disease as well as the mortality rate. Though various drugs have been investigated to attenuate NAFLD, further study is still necessary to find new therapeutic strategy and to reveal the underlying molecular mechanism. In the present study, NAFLD animal models were induced by feeding with high fat (HF) diet for 8 weeks...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156292/dietary-luteolin-protects-against-hgcl2-induced-renal-injury-via-activation-of-nrf2-mediated-signaling-in-rat
#8
Xiao Tan, Biying Liu, Jingjing Lu, Siyu Li, Ruiqi Baiyun, Yueying Lv, Qian Lu, Zhigang Zhang
Luteolin (Lut) belongs to the flavonoid family with various beneficial bioactivities. Here, we investigated whether Lut attenuate mercuric chloride (HgCl2)-induced renal injury in rat. We found that oral gavage administration of Lut (80mg/kg) alleviated anemia and renal histology upon HgCl2 treatment (80mg/L). Lut also significantly reduced HgCl2-induced oxidative stress and inflammatory, presenting as the reduced malondialdehyde (MDA) formation, increased glutathione (GSH) level, and inhibited activation of nuclear factor kappa B (NF-κB)...
November 9, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/29155820/mass-spectrometry-based-quantification-of-the-cellular-response-to-ultraviolet-radiation-in-hela-cells
#9
Hong Xu, Xuanyi Chen, Nanjiao Ying, Meixia Wang, Xiaoli Xu, Rongyi Shi, Yuejin Hua
Ultraviolet (UV) irradiation is a common form of DNA damage that can cause pyrimidine dimers between DNA, which can cause gene mutations, even double-strand breaks and threaten genome stability. If DNA repair systems default their roles at this stage, the organism can be damaged and result in disease, especially cancer. To better understand the cellular response to this form of damage, we applied highly sensitive mass spectrometry to perform comparative proteomics of phosphorylation in HeLa cells. A total of 4367 phosphorylation sites in 2100 proteins were identified, many of which had not been reported previously...
2017: PloS One
https://www.readbyqxmd.com/read/29155327/expression-profiles-of-the-p38-mapk-signaling-pathway-from-chinese-shrimp-fenneropenaeus-chinensis-in-response-to-viral-and-bacterial-infections
#10
Yuying He, Wanlong Yao, Ping Liu, Jian Li, Qingyin Wang
Mitogen-activated protein kinase (MAPK) signaling pathway plays an important role in cellular response to inflammatory cytokines, environmental stress and pathogenic infection, However, compared with mammals and insects, the potential function of p38 MAPK from Chinese shrimp (Fenneropenaeus chinensis) in response to viruses and bacterial infection is limited. In the study, the immune responses of four genes MKK3, MKK4, p38 and ATF-2 from F. chinensis were investigated in defending against white spot syndrome virus (WSSV), Vibrio anguillarum (V...
November 16, 2017: Gene
https://www.readbyqxmd.com/read/29155101/type-i-ifn-related-netosis-in-ataxia-telangiectasia-and-artemis-deficiency
#11
Ersin Gul, Esra Hazar Sayar, Bilgi Gungor, Fehime Kara Eroglu, Naz Surucu, Sevgi Keles, Sukru Nail Guner, Sıddıka Fındık, Esin Alpdündar, Ihsan Cihan Ayanoglu, Basak Kayaoglu, Busra Nur Geçkin, Hatice Asena Sanli, Tamer Kahraman, Cengiz Yakicier, Meltem Muftuoglu, Berna Oguz, Deniz Nazire Cagdas Ayvaz, Ihsan Gursel, Seza Ozen, Ismail Reisli, Mayda Gursel
BACKGROUND: Pathological inflammatory syndromes of unknown etiology are commonly observed in Ataxia telangiectasia (AT) and Artemis deficiency. Similar inflammatory manifestations also exist in STING-associated vasculopathy in infancy (SAVI) patients. OBJECTIVE: To test the hypothesis that the inflammation associated manifestations observed in AT and Artemis deficient patients stem from increased type I IFN signature leading to neutrophil mediated pathological damage...
November 15, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29155091/dynamic-molecular-events-associated-to-plasmodium-berghei-gametogenesis-through-proteomic-approach
#12
Carlos H S Garcia, Delphine Depoix, Rayner M L Queiroz, Jaques M F Souza, Wagner Fontes, Marcelo V de Sousa, Marlon D M Santos, Paulo C Carvalho, Philippe Grellier, Sébastien Charneau
Plasmodium mature sexual cycle occurs in the vector mosquitoes and ensures the transmission to a new host. Gametogenesis takes place within minutes in the vector midgut. Gametocytes have to complete a deep nuclear reorganization, quick differentiation, and in the case of male gametocytes, intracytoplasmic flagellum assembly that results in free-swimming microgametes required for macrogamete fertilization. In efforts to improve our knowledge of molecular mechanisms involved in gamete morphogenesis, we carried out a nanoLC/MSMS based quantitative proteomic analysis throughout the xanthurenic acid-induced gametogenesis of the rodent parasite P...
November 15, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/29154988/role-of-p-mkk7-in-myricetin-induced-protection-against-intestinal-ischemia-reperfusion-injury
#13
Yuchao Sun, Mengqiao Lian, Yuan Lin, Bin Xu, Yanli Li, Jin Wen, Dapeng Chen, Ming Xu, Marwan Almoiliqy, Li Wang
Intestinal ischemia reperfusion (I/R) may cause inflammation-, oxidative stress-, and apoptosis-related tissue injuries and facilitate bacterial infection, leading to multiple organ failure. Myricetin, a flavonoid, is found to have diverse biological effects including anti-inflammatory, anti-oxidative, and anti-bacterial effects. Based on our pre-experiment, we proposed that myricetin pretreatment (25, 50mg/kg) could ameliorate intestinal I/R injury and myricetin-induced modulation on MKK7/JNK signal pathway might play a key role in the amelioration...
November 15, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29154967/bone-marrow-mechanotransduction-in-porcine-explants-alters-kinase-activation-and-enhances-trabecular-bone-formation-in-the-absence-of-osteocyte-signaling
#14
Kimberly J Curtis, Thomas R Coughlin, Devon E Mason, Joel D Boerckel, Glen L Niebur
Bone is a dynamic tissue that can adapt its architecture in response to mechanical signals under the control of osteocytes, which sense mechanical deformation of the mineralized bone. However, cells in the marrow are also mechanosensitive and may contribute to load-induced bone adaptation, as marrow is subjected to mechanical stress during bone deformation. We investigated the contribution of mechanotransduction in marrow cells to trabecular bone formation by applying low magnitude mechanical stimulation (LMMS) to porcine vertebral trabecular bone explants in an in situ bioreactor...
November 14, 2017: Bone
https://www.readbyqxmd.com/read/29154888/activation-of-yap1-taz-signaling-in-ischemic-heart-disease-and-dilated-cardiomyopathy
#15
Ning Hou, Ying Wen, Xun Yuan, Haodong Xu, Xuejun Wang, Faqian Li, Bo Ye
Genetic manipulation of key components of the evolutionally conserved Hippo pathway has shown that the precise control of these signaling molecules is critical to cardiac development and response to stresses. However, how this pathway is involved in the progression of cardiac dysfunction in different heart diseases remains unclear. We investigated the expressional levels and subcellular localization of Yap1, Taz, and Tead1 and determined Hippo target gene expression in failing human hearts with ischemic heart disease (IHD) and idiopathic dilated cardiomyopathy (IDC) and mouse desmin-related cardiomyopathy (DES)...
November 15, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29154839/participation-of-the-anti-inflammatory-and-antioxidative-activity-of-docosahexaenoic-acid-on-indomethacin-induced-gastric-injury-model
#16
Elizabeth Arlen Pineda-Peña, Yoalli Martínez-Pérez, Marina Galicia-Moreno, Araceli Navarrete, José Segovia, Pablo Muriel, Liliana Favari, Gilberto Castañeda-Hernández, Aracely Evangelina Chávez-Piña
Adverse gastrointestinal (GI) effects caused by nonsteroidal anti-inflammatory drugs (NSAIDs), including indomethacin, are recognized as the major limitation to their clinical use. NSAID-induced gastric damage is generated by cyclooxygenase inhibition, activation of inflammatory processes, and oxidative stress. Docosahexaenoic acid (DHA), an omega-3 polyunsaturated fatty acid, has shown gastroprotective effects; however, the molecular mechanisms underlying these effects have not been fully explained. As a result, the aim of this study was to examine DHA's anti-inflammatory and antioxidative actions in a mouse model of indomethacin-induced gastric injury...
November 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29154739/oxidative-stress-induced-inflammatory-responses-and-effects-of-n-acetylcysteine-in-bovine-mammary-alveolar-cells
#17
Hyojin Bae, Chang Hee Jeong, Wei Nee Cheng, Kwonho Hong, Han Geuk Seo, Sung Gu Han
Bovine mastitis, an inflammation of the udder, results in reduced milk production and poor milk quality. Mastitis is usually, but not always, a response to pathogen infection. High milk yield can produce oxidative stress in the mammary tissue. High milk yield is also known to be associated with bovine mastitis. Thus, in the current study, we hypothesised that oxidative stress increases inflammatory responses in bovine mammary cells. To examine the hypothesis, we produced cellular oxidative stress and investigated resulting inflammatory responses in bovine mammary alveolar cells (MAC-T)...
November 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/29154561/acculturative-stress-mental-health-symptoms-and-the-role-of-salivary-inflammatory-markers-among-a-latino-sample
#18
Adriana Maldonado, Andrea Preciado, Melissa Buchanan, Kim Pulvers, Devan Romero, Kimberly D'Anna-Hernandez
OBJECTIVES: Exposure to psychosocial stressors is associated with increases in adverse mental health outcomes and inflammatory markers. Limited research has investigated if acculturative stress, related to cultural adaptation in Latinos, one of the fastest growing minority groups in the United States, follows a similar pattern. This study hypothesized that acculturative stress would be associated with increased mental health symptoms as well as increases in salivary inflammatory markers...
November 20, 2017: Cultural Diversity & Ethnic Minority Psychology
https://www.readbyqxmd.com/read/29154199/ultraviolet-b-radiation-down-regulates-ulk1-and-atg7-expression-and-impairs-the-autophagy-response-in-human-keratinocytes
#19
Xu Chen, Li Li, Song Xu, Wenbo Bu, Kun Chen, Min Li, Heng Gu
Autophagy is a self-digestive pathway that helps to maintain cellular homeostasis, and many autophagy-related gene (ATG)s involved the regulation of the autophagy process. Ultraviolet light is a common stressor of skin, but it is unclear how autophagy is regulated after ultraviolet exposure in epidermal keratinocytes. Here, we found that the mRNAs of some key ATG genes such as ULK1, ATG5 and ATG7 exhibited significantly lower levels in the skin tissues of the face and chest with solar ultraviolet exposure, compared with perineal skin...
September 4, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29154192/resveratrol-attenuates-testicular-apoptosis-in-type-1-diabetic-mice-role-of-akt-mediated-nrf2-activation-and-p62-dependent-keap1-degradation
#20
Yuguang Zhao, Wenjing Song, Zhenyu Wang, Zongqiang Wang, Xing Jin, Jiancheng Xu, Ling Bai, Yuying Li, Jiuwei Cui, Lu Cai
Infertility is a common complication in diabetic men, mainly due to the loss of germ cells by apoptotic cell death. However, effective and safe approaches to prevent diabetic induction of testicular apoptosis for diabetic patients have not been available. Resveratrol (RSV), a group of compounds called polyphenols from plants, has been indicated its promising used clinically for cancers and cardiovascular diseases. Therefore, the present study aimed determining whether RSV attenuates type 1 diabetes (T1D)-induced testicular apoptotic cell death in a mouse model...
November 8, 2017: Redox Biology
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