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International Journal of Molecular Sciences

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https://www.readbyqxmd.com/read/27929441/aortic-stiffness-as-a-surrogate-endpoint-to-micro-and-macrovascular-complications-in-patients-with-type-2-diabetes
#1
REVIEW
Claudia R L Cardoso, Gil F Salles
Increased aortic stiffness has been recognized as a predictor of adverse cardiovascular outcomes in some clinical conditions, such as in patients with arterial hypertension and end-stage renal disease, in population-based samples and, more recently, in type 2 diabetic patients. Patients with type 2 diabetes have higher aortic stiffness than non-diabetic individuals, and increased aortic stiffness has been correlated to the presence of micro- and macrovascular chronic diabetic complications. We aimed to review the current knowledge on the relationships between aortic stiffness and diabetic complications, their possible underlying physiopathological mechanisms, and their potential applications to clinical type 2 diabetes management...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929439/cell-death-in-chondrocytes-osteoblasts-and-osteocytes
#2
REVIEW
Toshihisa Komori
Cell death in skeletal component cells, including chondrocytes, osteoblasts, and osteocytes, plays roles in skeletal development, maintenance, and repair as well as in the pathogenesis of osteoarthritis and osteoporosis. Chondrocyte proliferation, differentiation, and apoptosis are important steps for endochondral ossification. Although the inactivation of P53 and RB is involved in the pathogenesis of osteosarcomas, the deletion of p53 and inactivation of Rb are insufficient to enhance chondrocyte proliferation, indicating the presence of multiple inhibitory mechanisms against sarcomagenesis in chondrocytes...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929436/comparison-of-small-rna-profiles-of-glycine-max-and-glycine-soja-at-early-developmental-stages
#3
Yuzhe Sun, Zeta Mui, Xuan Liu, Aldrin Kay-Yuen Yim, Hao Qin, Fuk-Ling Wong, Ting-Fung Chan, Siu-Ming Yiu, Hon-Ming Lam, Boon Leong Lim
Small RNAs, including microRNAs (miRNAs) and phased small interfering RNAs (phasiRNAs; from PHAS loci), play key roles in plant development. Cultivated soybean, Glycine max, contributes a great deal to food production, but, compared to its wild kin, Glycine soja, it may lose some genetic information during domestication. In this work, we analyzed the sRNA profiles of different tissues in both cultivated (C08) and wild soybeans (W05) at three stages of development. A total of 443 known miRNAs and 15 novel miRNAs showed varying abundances between different samples, but the miRNA profiles were generally similar in both accessions...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929434/nutraceutical-supplements-in-the-management-and-prevention-of-osteoarthritis
#4
REVIEW
Paola Castrogiovanni, Francesca Maria Trovato, Carla Loreto, Houda Nsir, Marta Anna Szychlinska, Giuseppe Musumeci
Nutraceuticals are dietary compounds which have a role in the balance of anabolic and catabolic signals in joints. Their regulatory function on homeostasis of cartilage metabolism nutraceuticals is increasingly considered for the management and, above all, the prevention of osteoarthritis (OA). OA is a degenerative disease characterized by cartilage and synovium inflammation that can cause joint stiffness, swelling, pain, and loss of mobility. It is a multifactorial disease and, due to the great percentage of people suffering from it and the general increase in life expectancy, OA is considered as one of the most significant causes of disability in the world...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929432/integrins-in-the-spotlight-of-cancer
#5
REVIEW
Daniela Bianconi, Matthias Unseld, Gerald W Prager
Integrins are heterodimeric cell surface receptors that bind to different extracellular ligands depending on their composition and regulate all processes which enable multicellular life. In cancer, integrins trigger and play key roles in all the features that were once described as the Hallmarks of Cancer. In this review, we will discuss the contribution of integrins to these hallmarks, including uncontrolled and limitless proliferation, invasion of tumor cells, promotion of tumor angiogenesis and evasion of apoptosis and resistance to growth suppressors, by highlighting the latest findings...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929431/internet-databases-of-the-properties-enzymatic-reactions-and-metabolism-of-small-molecules-search-options-and-applications-in-food-science
#6
REVIEW
Piotr Minkiewicz, Małgorzata Darewicz, Anna Iwaniak, Justyna Bucholska, Piotr Starowicz, Emilia Czyrko
Internet databases of small molecules, their enzymatic reactions, and metabolism have emerged as useful tools in food science. Database searching is also introduced as part of chemistry or enzymology courses for food technology students. Such resources support the search for information about single compounds and facilitate the introduction of secondary analyses of large datasets. Information can be retrieved from databases by searching for the compound name or structure, annotating with the help of chemical codes or drawn using molecule editing software...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929430/biological-activities-of-extracts-from-loquat-eriobotrya-japonica-lindl-a-review
#7
REVIEW
Yilong Liu, Wenna Zhang, Changjie Xu, Xian Li
Loquat (Eriobotrya japonica Lindl.) is a subtropical fruit tree with high medicinal value native to China. Different organs of loquat have been used historically as folk medicines and this has been recorded in Chinese history for thousands of years. Research shows that loquat extracts contain many antioxidants, and different extracts exhibit bioactivity capable of counteracting inflammation, diabetes, cancer, bacterial infection, aging, pain, allergy and other health issues. Bioactive compounds such as phenolics and terpenoids have been isolated and characterized to provide a better understanding of the chemical mechanisms underlying the biological activities of loquat extracts...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929429/the-regulation-of-tumor-suppressor-p63-by-the-ubiquitin-proteasome-system
#8
REVIEW
Stephen R Armstrong, Hong Wu, Benfan Wang, Yasser Abuetabh, Consolato Sergi, Roger P Leng
The protein p63 has been identified as a homolog of the tumor suppressor protein p53 and is capable of inducing apoptosis, cell cycle arrest, or senescence. p63 has at least six isoforms, which can be divided into two major groups: the TAp63 variants that contain the N-terminal transactivation domain and the ΔNp63 variants that lack the N-terminal transactivation domain. The TAp63 variants are generally considered to be tumor suppressors involved in activating apoptosis and suppressing metastasis. ΔNp63 variants cannot induce apoptosis but can act as dominant negative inhibitors to block the function of TAp53, TAp73, and TAp63...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929428/her2-analysis-in-sporadic-thyroid-cancer-of-follicular-cell-origin
#9
Rosaria M Ruggeri, Alfredo Campennì, Giuseppe Giuffrè, Luca Giovanella, Massimiliano Siracusa, Angela Simone, Giovanni Branca, Rosa Scarfì, Francesco Trimarchi, Antonio Ieni, Giovanni Tuccari
The Epidermal Growth Factor Receoptor (EGFR) family member human epidermal growth factor receptor 2 (HER2) is overexpressed in many human epithelial malignancies, representing a molecular target for specific anti-neoplastic drugs. Few data are available on HER2 status in differentiated thyroid cancer (DTC). The present study was aimed to investigate HER2 status in sporadic cancers of follicular cell origin to better clarify the role of this receptor in the stratification of thyroid cancer. By immunohistochemistry and fluorescence in-situ hybridization, HER2 expression was investigated in formalin-fixed paraffin-embedded surgical specimens from 90 DTC patients, 45 follicular (FTC) and 45 papillary (PTC) histotypes...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929426/serum-soluble-fms-like-tyrosine-kinase-1-sflt-1-predicts-the-severity-of-acute-pancreatitis
#10
Paulina Dumnicka, Mateusz Sporek, Małgorzata Mazur-Laskowska, Piotr Ceranowicz, Marek Kuźniewski, Ryszard Drożdż, Tadeusz Ambroży, Rafał Olszanecki, Beata Kuśnierz-Cabala
Organ failure is the most important determinant of the severity of acute pancreatitis (AP). Soluble fms-like tyrosine kinase 1 (sFlt-1) is positively associated with organ failure in sepsis. Our aim was to evaluate the diagnostic utility of automated sFlt-1 measurements for early prediction of AP severity. Adult patients (66) with AP were recruited, including 46 with mild (MAP), 15 with moderately-severe (MSAP) and 5 with severe AP (SAP). Serum and urine samples were collected twice. Serum sFlt-1 was measured with automated electrochemiluminescence immunoassay...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929425/the-coexistence-of-hypertension-and-ovariectomy-additively-increases-cardiac-apoptosis
#11
Yi-Yuan Lin, Yu-Jung Cheng, Jun Hu, Li-Xi Chu, Woei-Cherng Shyu, Chung-Lan Kao, Tzer-Bin Lin, Chia-Hua Kuo, Ai-Lun Yang, Shin-Da Lee
To investigate whether the coexistence of hypertension and ovariectomy will increase cardiac Fas receptor and mitochondrial-dependent apoptotic pathways, histopathological analysis, the TUNEL assay and Western blotting were performed on the excised hearts from three groups of female spontaneously hypertensive rats (SHR), which were divided into a sham-operated group (SHR-Sham), bilaterally ovariectomized group (SHR-OVX) and normotensive Wistar Kyoto rats (WKY). Compared with the WKY group, the SHR-Sham group exhibited decreased protein levels of ERα, ERβ, p-Akt/Akt, Bcl-2, Bcl-xL and p-Bad and decreased further in the SHR-OVX group, as well as protein levels of t-Bid, Bak, Bad, Bax, cytochrome c, activated caspase-9 and activated caspase-3 (mitochondria-dependent apoptosis) increased in the SHR-Sham group and increased further in the SHR-OVX group...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929421/ghrelin-attenuates-intestinal-barrier-dysfunction-following-intracerebral-hemorrhage-in-mice
#12
Yijun Cheng, Yongxu Wei, Wenlei Yang, Yu Cai, Bin Chen, Guoyuan Yang, Hanbing Shang, Weiguo Zhao
Intestinal barrier dysfunction remains a critical problem in patients with intracerebral hemorrhage (ICH) and is associated with poor prognosis. Ghrelin, a brain-gut peptide, has been shown to exert protection in animal models of gastrointestinal injury. However, the effect of ghrelin on intestinal barrier dysfunction post-ICH and its possible underlying mechanisms are still unknown. This study was designed to investigate whether ghrelin administration attenuates intestinal barrier dysfunction in experimental ICH using an intrastriatal autologous blood infusion mouse model...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929400/a-systematic-evaluation-of-blood-serum-and-plasma-pre-analytics-for-metabolomics-cohort-studies
#13
Elodie Jobard, Olivier Trédan, Déborah Postoly, Fabrice André, Anne-Laure Martin, Bénédicte Elena-Herrmann, Sandrine Boyault
The recent thriving development of biobanks and associated high-throughput phenotyping studies requires the elaboration of large-scale approaches for monitoring biological sample quality and compliance with standard protocols. We present a metabolomic investigation of human blood samples that delineates pitfalls and guidelines for the collection, storage and handling procedures for serum and plasma. A series of eight pre-processing technical parameters is systematically investigated along variable ranges commonly encountered across clinical studies...
December 5, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929392/the-emergence-of-the-dose-response-concept-in-biology-and-medicine
#14
REVIEW
Edward J Calabrese
A historical assessment of the origin of the dose-response in modern toxicology and its integration as a central concept in biology and medicine is presented. This article provides an overview of how the threshold, linear and biphasic (i.e., hormetic) dose-response models emerged in the late 19th and early 20th centuries and competed for acceptance and dominance. Particular attention is directed to the hormetic model for which a general description and evaluation is provided, including its historical basis, and how it was marginalized by the medical and pharmacology communities in the early decades of the 20th century...
December 5, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27918488/transcriptome-profiling-analysis-of-wolf-spider-pardosa-pseudoannulata-araneae-lycosidae-after-cadmium-exposure
#15
Chang-Chun Li, Yong Wang, Guo-Yuan Li, Yue-Li Yun, Yu-Jun Dai, Jian Chen, Yu Peng
Pardosa pseudoannulata is one of the most common wandering spiders in agricultural fields and a potentially good bioindicator for heavy metal contamination. However, little is known about the mechanisms by which spiders respond to heavy metals at the molecular level. In the present study, high-throughput transcriptome sequencing was employed to characterize the de novo transcriptome of the spiders and to identify differentially expressed genes (DEGs) after cadmium exposure. We obtained 60,489 assembled unigenes, 18,773 of which were annotated in the public databases...
December 3, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27918485/somatic-cell-nuclear-transfer-followed-by-cripsr-cas9-microinjection-results-in-highly-efficient-genome-editing-in-cloned-pigs
#16
Timothy P Sheets, Chi-Hun Park, Ki-Eun Park, Anne Powell, David M Donovan, Bhanu P Telugu
The domestic pig is an ideal "dual purpose" animal model for agricultural and biomedical research. With the availability of genome editing tools such as clustered regularly interspaced short palindromic repeat (CRISPR) and associated nuclease Cas9 (CRISPR/Cas9), it is now possible to perform site-specific alterations with relative ease, and will likely help realize the potential of this valuable model. In this article, we investigated for the first time a combination of somatic cell nuclear transfer (SCNT) and direct injection of CRISPR/Cas ribonucleoprotein complex targeting GRB10 into the reconstituted oocytes to generate GRB10 ablated Ossabaw fetuses...
December 3, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27918465/peripheral-inflammatory-parameters-in-late-life-depression-a-systematic-review
#17
REVIEW
Mónica Martínez-Cengotitabengoa, Lucía Carrascón, John T O'Brien, María-José Díaz-Gutiérrez, Cristina Bermúdez-Ampudia, Kenji Sanada, Marta Arrasate, Ana González-Pinto
Depressive disorders appear relatively frequently in older patients, and therefore represent an important disease burden worldwide. Given the high levels of inflammatory parameters found in depressed elderly patients, the "inflammaging" hypothesis is gaining strength. In this systematic review, we summarize current evidence regarding the relationship between inflammatory parameters and late-life depression, with a unique focus on longitudinal studies to guarantee temporality. According to the data summarized in this review, the levels of some proinflammatory parameters-especially interleukin (IL)-8, IL-6, and tumor necrosis factor (TNF)-α-could serve as biomarkers for the future development of depressive symptoms in elderly patients...
December 2, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27918464/checkpoints-to-the-brain-directing-myeloid-cell-migration-to-the-central-nervous-system
#18
REVIEW
Meredith Harrison-Brown, Guo-Jun Liu, Richard Banati
Myeloid cells are a unique subset of leukocytes with a diverse array of functions within the central nervous system during health and disease. Advances in understanding of the unique properties of these cells have inspired interest in their use as delivery vehicles for therapeutic genes, proteins, and drugs, or as "assistants" in the clean-up of aggregated proteins and other molecules when existing drainage systems are no longer adequate. The trafficking of myeloid cells from the periphery to the central nervous system is subject to complex cellular and molecular controls with several 'checkpoints' from the blood to their destination in the brain parenchyma...
December 2, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27918462/comparative-evaluation-of-trail-fgf-2-and-vegf-a-induced-angiogenesis-in-vitro-and-in-vivo
#19
Siân P Cartland, Scott W Genner, Amna Zahoor, Mary M Kavurma
Tumor necrosis-factor-related apoptosis-inducing ligand (TRAIL) has been implicated in angiogenesis; the growth of new blood vessels from an existing vessel bed. Our aim was to compare pro-angiogenic responses of TRAIL, vascular endothelial growth-factor-A (VEGF-A) and fibroblast growth-factor-2 (FGF-2) either separately (10 ng/mL) or in combination, followed by the assessment of proliferation, migration and tubule formation using human microvascular endothelial-1 (HMEC-1) cells in vitro. Angiogenesis was also measured in vivo using the Matrigel plug assay...
December 2, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27918458/new-electrochemically-modified-carbon-paste-inclusion-%C3%AE-cyclodextrin-and-carbon-nanotubes-sensors-for-quantification-of-dorzolamide-hydrochloride
#20
Nawal Ahmad Alarfaj, Maha Farouk El-Tohamy
The present article introduces a new approach to fabricate carbon paste sensors, including carbon paste, modified carbon paste inclusion β-cyclodextrin, and carbon nanotubes for the quantification of dorzolamide hydrochloride (DRZ). This study is mainly based on the construction of three different carbon paste sensors by the incorporation of DRZ with phosphotungstic acid (PTA) to form dorzolamide-phosphotungstate (DRZ-PT) as an electroactive material in the presence of the solvent mediator ortho-nitrophenyloctyl ether (o-NPOE)...
December 2, 2016: International Journal of Molecular Sciences
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