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IUBMB Life

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https://www.readbyqxmd.com/read/28884887/impaired-antioxidant-enzyme-functions-with-increased-lipid-peroxidation-in-epithelial-ovarian-cancer
#1
Aydan Caglayan, Doruk Cevdi Katlan, Zafer Selçuk Tuncer, Kunter Yüce, Hasan Berkan Sayal, Mehmet Coşkun Salman, Belma Kocer-Gumusel
We aimed to identify the possible role of oxidant-antioxidant status in epithelial ovarian cancer (EOC) by measuring (a) antioxidant enzyme (AOE) activities [total superoxide dismutase (SODtotal ), manganese-SOD (Mn-SOD), copper,zinc-SOD (Cu,Zn-SOD), catalase (CAT) and glutathione peroxidase (GPx1)], (b) Mn-SOD protein expression, (c) lipid peroxidation markers [malondialdehyde (MDA), 8-epi-prostaglandin-F2α (8-epi-PGF2α)] and by evaluating the possible correlations between tumor biomarkers, reproductive hormone levels and all measured parameters, comprehensively...
September 8, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28861931/the-ubiquitin-ligase-trim25-inhibits-hepatocellular-carcinoma-progression-by-targeting-metastasis-associated-1-protein
#2
Hong-Liang Zang, Sheng-Nan Ren, Hong Cao, Xiao-Feng Tian
Metastasis associated 1 protein (MTA1) is one of the prime facilitators of metastatic progression in all solid tumors including hepatocellular carcinoma (HCC). However, the underlying regulatory mechanism of MTA1 expression in HCC is not clear. In this study, we evaluated MTA1 transcript and protein expression in HCC and normal hepatic cell lines. The results revealed that MTA1 protein expression had a significantly increase in HCC cell line, HuH6, compared with that in normal hepatic cell line, THLE-2. Determination of protein half-life using cycloheximide (CHX) treatment did not reveal any statistically significant difference in protein turn-over rates between THLE-2 (3...
August 31, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28858429/energy-imbalance-and-cancer-cause-or-consequence
#3
REVIEW
Xiaohui Wang, Wei Liu, Xiangyang Xie
Obesity has been an epidemic worldwide over the past decades and significantly increases the risk of developing a variety of deadly diseases including type 2 diabetes, cardiovascular diseases and many cancers. The relationship between obesity and type 2 diabetes and cardiovascular disease has been well documented. The drastically increased frequency of a number of cancers in obesity has attracted growing interest. On one hand, how increased adiposity promotes cancer development remains poorly understood, despite the fact that considerable epidemiological evidence has suggested links between them...
August 31, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28834160/a-genetic-variant-in-a-homocysteine-metabolic-gene-that-increases-the-risk-of-congenital-cardiac-septal-defects-in-han-chinese-populations
#4
Han-Hui Xie, Jiong Li, Pei-Qiang Li, An-An Zhang, Yi Li, Yan-Zhen Wang, Ding-Xiong Xie, Xiao-Dong Xie
Elevated homocysteine levels are known to be a risk factor for congenital cardiac septal defects (CCSDs), but the mechanism underlying this effect is unknown. The genetic variants that were significantly associated with circulating homocysteine concentrations have been systematically identified through the genome-wide association studies of one-carbon core metabolites. To examine the role of the genome-wide significant homocysteine related variants in the occurrence of CCSDs, we investigated the association between these variants and CCSDs in Han Chinese populations...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28762248/engineering-brown-fat-into-skeletal-muscle-using-ultrasound-targeted-microbubble-destruction-gene-delivery-in-obese-zucker-rats-proof-of-concept-design
#5
Raul A Bastarrachea, Jiaxi Chen, Jack W Kent, Edna J Nava-Gonzalez, Ernesto Rodriguez-Ayala, Marcel M Daadi, Barbara Jorge, Hugo Laviada-Molina, Anthony G Comuzzie, Shuyuan Chen, Paul A Grayburn
Ultrasound-targeted microbubble destruction (UTMD) is a novel means of tissue-specific gene delivery. This approach systemically infuses transgenes precoupled to gas-filled lipid microbubbles that are burst within the microvasculature of target tissues via an ultrasound signal resulting in release of DNA and transfection of neighboring cells within the tissue. Previous work has shown that adenovirus containing cDNA of UCP-1, injected into the epididymal fat pads in mice, induced localized fat depletion, improving glucose tolerance, and decreasing food intake in obese diabetic mice...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28762247/deterioration-of-insulin-release-rate-response-to-glucose-during-oral-glucose-tolerance-test-is-associated-with-an-increased-risk-of-incident-diabetes-in-normal-glucose-tolerance-subjects
#6
Yuanyuan Li, Shihui He, Yao Sun, Guangwei Li, Qingsong Xu, Chen Wang, Weiping Jia
β-Cell dedifferentiation, characterized by loss of glucose sensitivity (β-cell glucose sensitivity [βCGS]), has been reported to play an important role in the development of type 2 diabetes (T2D). Traditionally, βCGS was derived from C-peptide-based method. However, C-peptide was not routinely examined in normal subjects and diabetes never treated with insulin. Thus, the aim of the study was to evaluate the use of insulin in oral glucose tolerance test (OGTT) in estimation of β-cell glucose response ability...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28748601/substrate-specificity-in-the-context-of-molecular-chaperones
#7
REVIEW
Dipayan Bose, Abhijit Chakrabarti
Molecular chaperones are one of the key players in protein biology and as such their structure and mechanism of action have been extensively studied. However the substrate specificity of molecular chaperones has not been well investigated. This review aims to summarize what is known about the substrate specificity and substrate recognition motifs of chaperones so as to better understand what substrate specificity means in the context of molecular chaperones. Available literature shows that the majority of chaperones have broad substrate range and recognize non-native conformations of proteins depending on recognition of hydrophobic and/or charged patches...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28748573/a-novel-humanized-anti-tumor-necrosis-factor-related-apoptosis-inducing-ligand-r2-monoclonal-antibody-induces-apoptotic-and-autophagic-cell-death
#8
Longfei Chen, Yuhe Qiu, Zhenliang Hao, Jiong Cai, Shuyong Zhang, Yanxin Liu, Dexian Zheng
It is well known that the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL/TNFSF10) is specifically expressed in various tumor cells, but less or no expression in most normal tissues and cells. While TRAIL engages with its native death receptors, TRAIL receptor 1 (TRAIL-R1) or 2 (TRAIL-R2), usually elicits the tumor cell death by apoptosis. In this study, we report that a novel humanized monoclonal antibody against TRAIL-R2 (named as zaptuzumab) well remain the biological activity of the parental mouse antibody AD5-10 inducing cell death in various cancer cells, but little effect on normal cells...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28714206/efficacy-of-ultrasound-and-nerve-stimulation-guidance-in-peripheral-nerve-block-a-systematic-review-and-meta-analysis
#9
Zhi-Xue Wang, De-Li Zhang, Xin-Wei Liu, Yan Li, Xiao-Xia Zhang, Ru-Hong Li
Evidence was controversial about whether nerve stimulation (NS) can optimize ultrasound guidance (US)-guided nerve blockade for peripheral nerve block. This review aims to explore the effects of the two combined techniques. We searched EMBASE (from 1974 to March 2015), PubMed (from 1966 to Mar 2015), Medline (from 1966 to Mar 2015), the Cochrane Central Register of Controlled Trials and clinicaltrials.gov. Finally, 15 randomized trials were included into analysis involving 1,019 lower limb and 696 upper limb surgery cases...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28695656/anatolian-honey-is-not-only-sweet-but-can-also-protect-from-breast-cancer-elixir-for-women-from-artemis-to-present
#10
Mehmet Fatih Seyhan, Eren Yılmaz, Özlem Timirci-Kahraman, Neslihan Saygılı, Halil İbrahim Kısakesen, Allison Pınar Eronat, Ayşe Begüm Ceviz, Sema Bilgiç Gazioğlu, Hülya Yılmaz-Aydoğan, Oğuz Öztürk
Natural products with bioactive components are widely studied on various cancer cell lines for their possible cytotoxic effects, recently. Among these products, honey stands out as a valuable bee product containing many active phenolic compounds and flavonoids. Numerous types of multifloral honey and honeydew honey are produced in Turkey owing to its abundant vegetation. Therefore, in this study, we investigated the cytotoxic effects of particular tree-originated honeys from chestnut, cedar, pine, and multifloral honey on cell lines representing different types of the most common cancer of women, breast cancer, MCF7, SKBR3, and MDAMB-231, and fibrocystic breast epithelial cell line, MCF10A as a control...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28691208/transcriptomic-profile-analysis-of-mouse-neural-tube-development-by-rna-seq
#11
Juan Yu, Jianbing Mu, Qian Guo, Lihong Yang, Juan Zhang, Zhizhen Liu, Baofeng Yu, Ting Zhang, Jun Xie
The neural tube is the primordium of the central nervous system (CNS) in which its development is not entirely clear. Understanding the cellular and molecular basis of neural tube development could, therefore, provide vital clues to the mechanism of neural tube defects (NTDs). Here, we investigated the gene expression profiles of three different time points (embryonic day (E) 8.5, 9.5 and 10.5) of mouse neural tube by using RNA-seq approach. About 391 differentially expressed genes (DEGs) were screened during mouse neural tube development, including 45 DEGs involved in CNS development, among which Bmp2, Ascl1, Olig2, Lhx1, Wnt7b and Eomes might play the important roles...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28686797/asiatic-acid-enhances-survival-of-human-ac16-cardiomyocytes-under-hypoxia-by-upregulating-mir-1290
#12
Kai Wu, Min Hu, Zejin Chen, Feixiang Xiang, Guojian Chen, Weihong Yan, Qing Peng, Xiaoping Chen
Asiatic acid (AA) could attenuate ischemia/reperfusion induced myocardial apoptosis through upregulating the Akt/GSK-3β/HIF-1α pathway. HIF-3α is a negative regulator of HIF-1α, whose mRNA is a potential target of miR-1290. AA could upregulate miR-1290 in non-small-cell lung cancer A549 cells. This work aimed to investigate whether AA could inhibit hypoxia induced cardiomyocyte apoptosis through regulating the miR-1290/HIF3A/HIF-1α axis. The AC16 human myocardial cell line cultured under normoxic or hypoxic conditions was treated with various doses of AA for 24 h...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28685937/neuroimmunomodulatory-properties-of-dpscs-in-an-in-vitro-model-of-parkinson-s-disease
#13
Nareshwaran Gnanasegaran, Vijayendran Govindasamy, Vasudevan Mani, Noor Hayaty Abu Kasim
In neurodegenerative diseases, such as Alzheimer's and Parkinson's, microglial cell activation is thought to contribute to their degeneration by producing neurotoxic compounds. While dental pulp stem cells (DPSCs) have been regarded as the next possible cell source for cell replacement therapy (CRT), their actual role when exposed in such harsh environment remains elusive. In this study, the immunomodulatory behavior of DPSCs from human subjects was investigated in a coculture system consisting of neuron and microglia which were treated with 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine, which mimics the inflammatory conditions and contribute to degeneration of dopaminergic (DA-ergic) neurons...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28681503/gene-cloning-characterization-and-cytotoxic-activity-of-methionine-%C3%AE-lyase-from-clostridium-novyi
#14
Vitalia V Kulikova, Elena A Morozova, Svetlana V Revtovich, Mikhail I Kotlov, Natalya V Anufrieva, Natalya P Bazhulina, Samanta Raboni, Serena Faggiano, Edi Gabellieri, Patrizia Cioni, Yury F Belyi, Andrea Mozzarelli, Tatyana V Demidkina
The exploitation of methionine-depleting enzyme methionine γ-lyase (MGL) is a promising strategy against specific cancer cells that are strongly dependent on methionine. To identify MGL from different sources with high catalytic activity and efficient anticancer action, we have expressed and characterized MGL from Clostridium novyi and compared its catalytic efficiency with the previously studied MGL from Citrobacter freundii. The purified recombinant MGL exhibits kcat and kcat /Km for methionine γ-elimination reaction that are 2...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28653367/significance-of-l-carnitine-for-human-health
#15
REVIEW
María M Adeva-Andany, Isabel Calvo-Castro, Carlos Fernández-Fernández, Cristóbal Donapetry-García, Ana María Pedre-Piñeiro
Carnitine acyltransferases catalyze the reversible transfer of acyl groups from acyl-coenzyme A esters to l-carnitine, forming acyl-carnitine esters that may be transported across cell membranes. l-Carnitine is a wáter-soluble compound that humans may obtain both by food ingestion and endogenous synthesis from trimethyl-lysine. Most l-carnitine is intracellular, being present predominantly in liver, skeletal muscle, heart and kidney. The organic cation transporter-2 facilitates l-carnitine uptake inside cells...
August 2017: IUBMB Life
https://www.readbyqxmd.com/read/28631886/nlrp3-expression-and-urinary-hsp72-in-relation-to-biomarkers-of-inflammation-and-oxidative-stress-in-diabetic-nephropathy-patients
#16
Hemat El-Sayed El-Horany, Rania Nagi Abd-Ellatif, Mona Watany, Yasser M Hafez, Hanaa Ibrahim Okda
Diabetic nephropathy (DN) is one of the major causes of end-stage renal disease. Nod-like receptors nucleotide-binding domain and leucine-rich repeat pyrin-3 domain (NLRP3) inflammasome displays a considerable role in the chronic inflammatory state observed in diabetic patients. Urinary heat shock protein 72 (uHSP72) is a sensitive and specific biomarker for the early detection of acute kidney injury. The aim of this study was to evaluate NLRP3 relative gene expression, its correlation with inflammatory and oxidative stress markers, and to assess the value of uHSP72 in the early detection of DN in type 2 diabetic patients with different degrees of DN...
August 2017: IUBMB Life
https://www.readbyqxmd.com/read/28631425/retraction-statement-mitochondrial-protein-acetylation-mediates-nutrient-sensing-of-mitochondrial-protein-synthesis-and-mitonuclear-protein-balance
#17
(no author information available yet)
IUBMB Life (2014) 66:793-802. DOI: 10.1002/iub.1328 The above article, published online on November 15, 2014 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the journal's Editors-in-Chief, Angelo Azzi and William J. Whelan, Corresponding Author Tina Wenz, the University of Cologne, and Wiley Periodicals, Inc. The article has been retracted on request of the University of Cologne that, after an investigation, established that the data reported in it are not reproducible...
July 2017: IUBMB Life
https://www.readbyqxmd.com/read/28444922/regulation-of-organelle-function-by-metformin
#18
REVIEW
Jeongho Kim, Young-Jai You
Metformin ameliorates hyperglycemia without the side effects of lactic acidosis or hypoglycemia. Metformin lowers the blood glucose level by decreasing hepatic glucose production in the liver and by increasing glucose uptake in the muscle. Recent studies show that metformin induces cell death in certain cancer cell lines by interfering with the metabolism of the cancer cells. Therefore, understanding the mechanisms of action for metformin will provide insights into how to better treat diabetes and other metabolic disorders and also into the development of new therapeutic drugs...
July 2017: IUBMB Life
https://www.readbyqxmd.com/read/28636236/assessment-of-silibinin-as-a-potential-antifungal-agent-and-investigation-of-its-mechanism-of-action
#19
Dae Gyu Yun, Dong Gun Lee
Silibinin, which is derived from Silybum marianum (milk thistle), has used as a traditional remedy for liver or biliary disorders and known to have superior antioxidant activity. In addition, silibinin was recently reported to have antifungal effect related to fungal apoptosis against Candida albicans and the interest in the therapeutic effect is increasing. In this study, we found another mode of antifungal action of silibinin and its antibiofilm activity on C. albicans. To investigate influence on fungal plasma membrane, propidium iodide and bis-(1, 3-dibutylbarbituric acid) trimethineoxonol [DiBAC4 (3)] assay were primarily carried out...
June 21, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28636149/photocatalytic-interaction-of-aminophylline-riboflavin-leads-to-ros-mediated-dna-damage-and-cell-death-a-novel-phototherapeutic-mechanism-for-cancer
#20
Saniyya Khan, Imrana Naseem
The accompanied tissue devastation and systemic toxicity of chemotherapy has shifted the quest for having an effective and palliative cancer therapy towards photodynamic therapy (PDT). Riboflavin (Rf), an essential micronutrient is emerging as a potent tool of PDT, due to its excellent photosensitizing properties. It can be used as an efficient adjuvant for various anticancer drugs. The hemolytic and proteolytic effect of photoilluminated aminophylline (Am), a xanthine derivative, and Rf is well documented in literature...
June 21, 2017: IUBMB Life
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