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International Journal of Molecular Sciences

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https://www.readbyqxmd.com/read/29329278/t-dna-tagging-based-gain-of-function-of-oshkt1-4-reinforces-na-exclusion-from-leaves-and-stems-but-triggers-na-toxicity-in-roots-of-rice-under-salt-stress
#1
Yuuka Oda, Natsuko I Kobayashi, Keitaro Tanoi, Jian Feng Ma, Yukiko Itou, Maki Katsuhara, Takashi Itou, Tomoaki Horie
The high affinity K⁺ transporter 1;4 (HKT1;4) in rice (Oryza sativa), which shows Na⁺ selective transport with little K⁺ transport activity, has been suggested to be involved in reducing Na in leaves and stems under salt stress. However, detailed physiological roles of OsHKT1;4 remain unknown. Here, we have characterized a transfer DNA (T-DNA) insertion mutant line of rice, which overexpresses OsHKT1;4, owing to enhancer elements in the T-DNA, to gain an insight into the impact of OsHKT1;4 on salt tolerance of rice...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29329273/transcriptomics-evidence-for-common-pathways-in-human-major-depressive-disorder-and-glioblastoma
#2
Yongfang Xie, Ling Wang, Zengyan Xie, Chuisheng Zeng, Kunxian Shu
Depression as a common complication of brain tumors. Is there a possible common pathogenesis for depression and glioma? The most serious major depressive disorder (MDD) and glioblastoma (GBM) in both diseases are studied, to explore the common pathogenesis between the two diseases. In this article, we first rely on transcriptome data to obtain reliable and useful differentially expressed genes (DEGs) by differential expression analysis. Then, we used the transcriptomics of DEGs to find out and analyze the common pathway of MDD and GBM from three directions...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29329256/personalized-antidepressant-selection-and-pathway-to-novel-treatments-clinical-utility-of-targeting-inflammation
#3
REVIEW
Manish K Jha, Madhukar H Trivedi
Major depressive disorder (MDD) is a chronic condition that affects one in six adults in the US during their lifetime. The current practice of antidepressant medication prescription is a trial-and-error process. Additionally, over a third of patients with MDD fail to respond to two or more antidepressant treatments. There are no valid clinical markers to personalize currently available antidepressant medications, all of which have similar mechanisms targeting monoamine neurotransmission. The goal of this review is to summarize the recent findings of immune dysfunction in patients with MDD, the utility of inflammatory markers to personalize treatment selection, and the potential of targeting inflammation to develop novel antidepressant treatments...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29329247/a-simple-method-to-measure-renal-function-in-swine-by-the-plasma-clearance-of-iohexol
#4
Sergio Luis-Lima, Consolación García-Contreras, Marta Vázquez-Gómez, Susana Astiz, Fabiola Carrara, Flavio Gaspari, Natalia Negrín-Mena, Alejandro Jiménez-Sosa, Hugo Jiménez-Hernández, Antonio González-Bulnes, Esteban Porrini
There is no simple method to measure glomerular filtration rate (GFR) in swine, an established model for studying renal disease. We developed a protocol to measure GFR in conscious swine by using the plasma clearance of iohexol. We used two groups, test and validation, with eight animals each. Ten milliliters of iohexol (6.47 g) was injected into the marginal auricular vein and blood samples (3 mL) were collected from the orbital sinus at different points after injection. GFR was determined using two models: two-compartment (CL2: all samples) and one-compartment (CL1: the last six samples)...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29329231/development-of-a-cytocompatible-scaffold-from-pig-immature-testicular-tissue-allowing-human-sertoli-cell-attachment-proliferation-and-functionality
#5
Maxime Vermeulen, Federico Del Vento, Francesca de Michele, Jonathan Poels, Christine Wyns
Cryopreservation of immature testicular tissue before chemo/radiotherapy is the only option to preserve fertility of cancer-affected prepubertal boys. To avoid reintroduction of malignant cells, development of a transplantable scaffold by decellularization of pig immature testicular tissue (ITT) able to support decontaminated testicular cells could be an option for fertility restoration in these patients. We, therefore, compared decellularization protocols to produce a cytocompatible scaffold. Fragments of ITT from 15 piglets were decellularized using three protocols: sodium dodecyl sulfate (SDS)-Triton (ST), Triton-SDS-Triton (TST) and trypsin 0...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29329224/melanin-based-functional-materials
#6
EDITORIAL
Marco d'Ischia
Melanin biopolymers are currently the focus of growing interest for a broad range of applications at the cutting edge of biomedical research and technology. This Special Issue presents a collection of papers dealing with melanin-type materials, e.g., polydopamine, for classic and innovative applications, offering a stimulating perspective of current trends in the field. Besides basic scientists, the Special Issue is directed to researchers from industries and companies that are willing to invest in melanin research for innovative and inspiring solutions...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29329223/mast-cells-key-contributors-to-cardiac-fibrosis
#7
REVIEW
Scott P Levick, Alexander Widiapradja
Historically, increased numbers of mast cells have been associated with fibrosis in numerous cardiac pathologies, implicating mast cells in the development of cardiac fibrosis. Subsequently, several approaches have been utilised to demonstrate a causal role for mast cells in animal models of cardiac fibrosis including mast cell stabilising compounds, rodents deficient in mast cells, and inhibition of the actions of mast cell-specific proteases such as chymase and tryptase. Whilst most evidence supports a pro-fibrotic role for mast cells, there is evidence that in some settings these cells can oppose fibrosis...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29329222/the-influence-of-egfr-inactivation-on-the-radiation-response-in-high-grade-glioma
#8
Oana Alexandru, Stefana Oana Purcaru, Ligia Gabriela Tataranu, Laura Lucan, Juan Castro, Catalin Folcuţi, Stefan-Alexandru Artene, Cristian Tuţă, Anica Dricu
Lack of effectiveness of radiation therapy may arise from different factors such as radiation induced receptor tyrosine kinase activation and cell repopulation; cell capability to repair radiation induced DNA damage; high grade glioma (HGG) tumous heterogeneity, etc. In this study, we analyzed the potential of targeting epidermal growth factor receptor (EGFR) in inducing radiosensitivity in two human HGG cell lines (11 and 15) that displayed similar growth patterns and expressed the receptor protein at the cell surface...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29329193/mustn1-a-developmentally-regulated-pan-musculoskeletal-cell-marker-and-regulatory-gene
#9
REVIEW
Michael Hadjiargyrou
The Mustn1 gene encodes a small nuclear protein (~9.6 kDa) that does not belong to any known family. Its genomic organization consists of three exons interspersed by two introns and it is highly homologous across vertebrate species. Promoter analyses revealed that its expression is regulated by the AP family of transcription factors, especially c-Fos, Fra-2 and JunD. Mustn1 is predominantly expressed in the major tissues of the musculoskeletal system: bone, cartilage, skeletal muscle and tendon. Its expression has been associated with normal embryonic development, postnatal growth, exercise, and regeneration of bone and skeletal muscle...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324722/evaluation-of-a-new-survivin-elisa-and-ubc%C3%A2-rapid-for-the-detection-of-bladder-cancer-in-urine
#10
Jan Gleichenhagen, Christian Arndt, Swaantje Casjens, Carmen Meinig, Holger Gerullis, Irina Raiko, Thomas Brüning, Thorsten Ecke, Georg Johnen
Urine-based biomarkers for non-invasive diagnosis of bladder cancer are urgently needed. No single marker with sufficient sensitivity and specificity has been described so far. Thus, a combination of markers appears to be a promising approach. The aim of this case-control study was to evaluate the performance of an in-house developed enzyme-linked immunosorbent assay (ELISA) for survivin, the UBC®Rapid test, and the combination of both assays. A total of 290 patients were recruited. Due to prior bladder cancer, 46 patients were excluded...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324706/endothelial-ca2-signaling-and-the-resistance-to-anticancer-treatments-partners-in-crime
#11
REVIEW
Francesco Moccia
Intracellular Ca2+ signaling drives angiogenesis and vasculogenesis by stimulating proliferation, migration, and tube formation in both vascular endothelial cells and endothelial colony forming cells (ECFCs), which represent the only endothelial precursor truly belonging to the endothelial phenotype. In addition, local Ca2+ signals at the endoplasmic reticulum (ER)-mitochondria interface regulate endothelial cell fate by stimulating survival or apoptosis depending on the extent of the mitochondrial Ca2+ increase...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324683/pentoxifylline-and-methylprednisolone-additively-alleviate-kidney-failure-and-prolong-survival-of-rats-after-renal-warm-ischemia-reperfusion
#12
Grzegorz Wystrychowski, Wojciech Wystrychowski, Władysław Grzeszczak, Andrzej Więcek, Robert Król, Antoni Wystrychowski
Renal ischemia-reperfusion injury (IRI) induces local inflammation leading to kidney damage. Since pentoxifylline (PTX) and steroids have distinct immunomodulatory properties, we aimed to evaluate for the first time their combined use in IRI-induced acute kidney injury (AKI) and chronic kidney disease (CKD) in rats. In two experiments, PTX (100 mg/kg body weight subcutaneously) was administered 90 min prior to renal IRI or/and methylprednisolone (MP; 100 mg/kg body weight intramuscularly) was infused 60 min after reperfusion of a solitary kidney (AKI model: 45 min ischemia, 48 male Sprague-Dawley rats) or one kidney with excision of contralateral kidney 2 weeks later (CKD model: 90 min ischemia, 38 rats)...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324679/antibacterial-evaluation-and-virtual-screening-of-new-thiazolyl-triazole-schiff-bases-as-potential-dna-gyrase-inhibitors
#13
Cristina Nastasă, Dan C Vodnar, Ioana Ionuţ, Anca Stana, Daniela Benedec, Radu Tamaian, Ovidiu Oniga, Brînduşa Tiperciuc
The global spread of bacterial resistance to drugs used in therapy requires new potent and safe antimicrobial agents. DNA gyrases represent important targets in drug discovery. Schiff bases, thiazole, and triazole derivatives are considered key scaffolds in medicinal chemistry. Fifteen thiazolyl-triazole Schiff bases were evaluated for their antibacterial activity, measuring the growth inhibition zone diameter, the minimum inhibitory concentration (MIC), and the minimum bactericidal concentration (MBC), against Gram-positive (Staphylococcus aureus, Listeria monocytogenes) and Gram-negative (Escherichia coli, Salmonella typhimurium, Pseudomonas aeruginosa) bacteria...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324672/genome-wide-identification-expression-and-functional-analysis-of-the-alkaline-neutral-invertase-gene-family-in-pepper
#14
Long-Bin Shen, Yuan Yao, Huang He, Yu-Ling Qin, Zi-Ji Liu, Wei-Xia Liu, Zhi-Qiang Qi, Li-Jia Yang, Zhen-Mu Cao, Yan Yang
Alkaline/neutral invertase (NINV) proteins irreversibly cleave sucrose into fructose and glucose, and play important roles in carbohydrate metabolism and plant development. To investigate the role of NINVs in the development of pepper fruits, seven NINV genes (CaNINV1-7) were identified. Phylogenetic analysis revealed that the CaNINV family could be divided into α and β groups. CaNINV1-6 had typical conserved regions and similar protein structures to the NINVs of other plants, while CaNINV7 lacked amino acid sequences at the C-terminus and N-terminus ends...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324668/effect-of-ultrasonic-extraction-on-production-and-structural-changes-of-c-phycocyanin-from-marine-spirulina-maxima
#15
Woon Yong Choi, Hyeon Yong Lee
This work first showed that very high amounts of phycocyanins, such as 11.3 mg/mL C-phycocyanin (C-PC), 3.1 mg/mL allophycocyanin (APC), and 0.8 mg/mL phycoerythrin (PE), can be obtained using an ultrasonic extraction process (UE) with a 60 kHz frequency and 3 h of process time at 25 °C, without any other pretreatments. These yields were higher than those from most conventional water extractions at 4 °C for 24 h (Control condition) or at 25 °C for 24 h (WE), namely, 9.8 and 5.7 mg/mL C-PC, 2.3 and 1.2 mg/mL APC, and 0...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324667/dietary-resveratrol-does-not-affect-life-span-body-composition-stress-response-and-longevity-related-gene-expression-in-drosophila-melanogaster
#16
Stefanie Staats, Anika E Wagner, Bianca Kowalewski, Florian T Rieck, Sebastian T Soukup, Sabine E Kulling, Gerald Rimbach
In this study, we tested the effect of the stilbene resveratrol on life span, body composition, locomotor activity, stress response, and the expression of genes encoding proteins centrally involved in ageing pathways in the model organism Drosophila melanogaster. Male and female w1118 D. melanogaster were fed diets based on sucrose, corn meal, and yeast. Flies either received a control diet or a diet supplemented with 500 µmol/L resveratrol. Dietary resveratrol did not affect mean, median, and maximal life span of male and female flies...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324666/mapping-the-schizophrenia-genes-by-neuroimaging-the-opportunities-and-the-challenges
#17
REVIEW
Ayla Arslan
Schizophrenia (SZ) is a heritable brain disease originating from a complex interaction of genetic and environmental factors. The genes underpinning the neurobiology of SZ are largely unknown but recent data suggest strong evidence for genetic variations, such as single nucleotide polymorphisms, making the brain vulnerable to the risk of SZ. Structural and functional brain mapping of these genetic variations are essential for the development of agents and tools for better diagnosis, treatment and prevention of SZ...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324662/aryl-hydrocarbon-receptor-antagonists-mitigate-the-effects-of-dioxin-on-critical-cellular-functions-in-differentiating-human-osteoblast-like-cells
#18
Chawon Yun, Karina M Katchko, Michael S Schallmo, Soyeon Jeong, Jonghwa Yun, Charlotte H Chen, Joseph A Weiner, Christian Park, Andrew George, Samuel I Stupp, Wellington K Hsu, Erin L Hsu
The inhibition of bone healing in humans is a well-established effect associated with cigarette smoking, but the underlying mechanisms are still unclear. Recent work using animal cell lines have implicated the aryl hydrocarbon receptor (AhR) as a mediator of the anti-osteogenic effects of cigarette smoke, but the complexity of cigarette smoke mixtures makes understanding the mechanisms of action a major challenge. 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD, dioxin) is a high-affinity AhR ligand that is frequently used to investigate biological processes impacted by AhR activation...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324661/protein-activity-of-the-fusarium-fujikuroi-rhodopsins-caro-and-opsa-and-their-relation-to-fungus-plant-interaction
#19
Alexander Adam, Stephan Deimel, Javier Pardo-Medina, Jorge García-Martínez, Tilen Konte, M Carmen Limón, Javier Avalos, Ulrich Terpitz
Fungi possess diverse photosensory proteins that allow them to perceive different light wavelengths and to adapt to changing light conditions in their environment. The biological and physiological roles of the green light-sensing rhodopsins in fungi are not yet resolved. The rice plant pathogen Fusarium fujikuroi exhibits two different rhodopsins, CarO and OpsA. CarO was previously characterized as a light-driven proton pump. We further analyzed the pumping behavior of CarO by patch-clamp experiments. Our data show that CarO pumping activity is strongly augmented in the presence of the plant hormone indole-3-acetic acid and in sodium acetate, in a dose-dependent manner under slightly acidic conditions...
January 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29324650/update-on-the-impact-of-omega-3-fatty-acids-on-inflammation-insulin-resistance-and-sarcopenia-a-review
#20
REVIEW
Alex Buoite Stella, Gianluca Gortan Cappellari, Rocco Barazzoni, Michela Zanetti
Elderly and patients affected by chronic diseases face a high risk of muscle loss and impaired physical function. Omega 3 fatty acids (FA) attenuate inflammation and age-associated muscle loss, prevent systemic insulin resistance and improve plasma lipids, potentially impacting on sarcopenia. This paper aims to review recent randomized clinical studies assessing the effects a chronic omega 3 FA supplementation on inflammatory and metabolic profile during conditions characterized by sarcopenia (aging, insulin resistance, type 2 diabetes, chronic renal failure)...
January 11, 2018: International Journal of Molecular Sciences
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