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... We describe here a new approach for the identification of affinity-bound proteins by proteolytic generation and mass spectrometric analysis of their antibody bound epitope peptides (epitope excision). The cardiac muscle protein troponin T was chosen as a protein antigen because of its diagnostic importance in myocardial infarct, and its previously characterised epitope structure. Two monoclonal an ...
fluorescence in situ hybridization; messenger RNA; alternative splicing; humans; complementary DNA; sequence alignment; dogs; single nucleotide polymorphism; amino acid sequences; gene expression; genes; nucleotide sequences; chromatin; sequence homology; physical chromosome mapping; dog breeds
Abstract:
... HMGA1 nonhistone proteins are reported to participate in various cellular processes including regulation of inducible gene transcription, integration of retroviruses into chromosomes, and the induction of neoplastic transformation and promotion of metastatic progression of cancer cells. Overexpression of HMGA1 was shown to be characteristic for various malignant tumors, suggesting a relation betwe ...
... The purpose of the work was to demonstrate the evolution of agricultural technologies, which leads to the orientation of agriculture towards the use of nature-like farming, using the example of the human civilization development. It was shown that in the XX century, the stage of development of soil cultivation technologies, associated with the transition from "gray" extensive technologies for mana ...
... Matrix Assisted Laser Desorption Ionization Mass Spectrometry Profiling and Imaging (MALDI MSP and MALDI MSI), in combination with bottom up proteomics, have proven to successfully detect and map blood-derived peptide signatures in blood fingermarks, with high specificity and compatibility with a number of blood enhancement techniques (BET). In the present study, the application of MALDI MSP and M ...
... Essential metals including iron (Fe) and manganese (Mn) with known physiological functions in human body play an important role in cell homeostasis. Excessive exposure to these essential as well as non-essential metals including mercury (Hg) and Aluminum (Al) may contribute to pathological conditions, including PD. Each metal could be toxic through specific pathways. Epidemiological evidences from ...
... When we reach toward objects, we easily avoid potential obstacles located in the workspace. Previous studies suggest that obstacle avoidance relies on mechanisms in the dorsal visual stream in the posterior parietal cortex. One fundamental question that remains unanswered is where the visual inputs to these dorsal-stream mechanisms are coming from. Here, we provide compelling evidence that these m ...
acoustics; algorithms; brain; cortex; humans; magnetic resonance imaging; speech
Abstract:
... Can we decipher speech content ("what" is being said) and speaker identity ("who" is saying it) from observations of brain activity of a listener? Here, we combine functional magnetic resonance imaging with a data-mining algorithm and retrieve what and whom a person is listening to from the neural fingerprints that speech and voice signals elicit in the listener's auditory cortex. These cortical f ...
... Cereals are generally known to have a positive influence on the general state of the human organism. The attention of the nutritional experts is paid especially to oats and barley. Besides their accessibility, these cereals are interesting due to their relatively high contents of soluble non-starch polysaccharides (fibrous material), out of which β-glucans have a dominant position from the as ...
D. Mota-Rojas; J. Martinez-Burnes; D. Villanueva-Garcia; P. Roldan-Santiago; ME Trujillo-Ortega; H. Orozco-Gregorio; H. Bonilla-Jaime; A. Lopez-Mayagoitia
... The objective of this review is to integrate clinical findings and laboratory analyses in such a way to improve the welfare of newborn piglets and achieve better prognoses of neonatal viability. Deaths during the intrapartum period account for a significant proportion of pre-weaning mortality in farms worldwide. Piglets which die during parturition generally have normal size and typically lack gro ...
Borrelia burgdorferi; Lyme disease; antibodies; arrhythmia; cardiomyopathy; case studies; dogs; echocardiography; electrocardiography; humans; myocarditis; nervous system; pericarditis; Europe
Abstract:
... In Europe Lyme disease is caused by the spirochete Borrelia burgdorferi sensu lato. It presents with a variety of clinical manifestations including heart disease and problems of the nervous system, skin and joints. Lyme carditis occurs in 4–10% of infected humans and is characterized by a plethora of cardiovascular syndromes such as arrhythmia, myocarditis, and pericarditis among others. Thi ...
absorption; animal nutrition; combustion; diet; fluorides; fluorine; humans; oxygen; specific ion electrodes; standard deviation; tea
Abstract:
... Fluorine is essential in human and/or animal nutrition, thus it is important to know its concentration in a diet. One of the important sources of fluorine for humans is tea, containing relatively high amounts of this trace element. A method for fluoride determination in various kinds of tea using microwave supported sample preparation in a high pressure oxygen atmosphere followed by potentiometry ...
Pseudomonas aeruginosa; blood flow; ceftazidime; dogs; humans; intergenic DNA; multiple drug resistance; otitis; patients; point mutation
Abstract:
... Sixty-six clinical P. aeruginosa isolates, 17 obtained from canine otitis specimens and 49 received from human patients with bloodstream infections, were collected between February 2007 and January 2008. The minimal inhibitory concentrations (MICs) of the antimicrobial agents of these isolates were determined. Multidrug resistance was common, with 23 (34.8%) isolates found to be ceftazidime resist ...
... Linguatula serrata is a zoonotic parasite causing visceral and nasopharyngeal linguatulosis in humans. Dog and other canines are the main definitive hosts while most herbivores, including ruminants serve as intermediate hosts for linguatulosis. Human rarely become infected as both final and intermediate hosts. This survey aimed to assess the L. serrata infection rate of dogs and domestic rum ...
... Juvenile cynomolgus monkeys are valuable models for studying human diseases. Reference data of clinical chemistry, haematology and blood coagulation parameters of juvenile cynomolgus monkeys are very important for clinical diagnosis and conducting research. In this study, 72 blood samples (obtained from 35 males and 37 females) and 20 blood samples (obtained from 10 males and 10 females) were used ...
National Library of Medicine; humans; immunomodulators; paratuberculosis; risk
Abstract:
... Papers on Mycobacterium avium, published between 1995 and 2009 that are indexed in the databases Web of Science® (Thomson Reuters) and PubMed (U.S. National Library of Medicine) were analysed and 3377 papers, published by 11 197 authors from 2630 institution and 75 countries were compared. Mycobacterium avium is represented by four subspecies (M. avium subsp. avium, M. avium subsp. ...
Camelidae; Chondrichthyes; antibodies; databases; diagnostic techniques; human diseases; humans; molecular weight; therapeutics; water solubility
Abstract:
... Single-domain antibody (sdAb) fragments derived from heavy-chain antibodies of camelids and cartilaginous fish represent a new generation of therapeutic agents and immunoreagents. Due to their unique characteristics, such as low molecular weight, high physical-chemical stability, good water solubility, and the ability to bind antigens inaccessible to conventional antibodies, they could potentially ...
Pan troglodytes; evolution; genome; humans; molecular genetics
Abstract:
... A recent analysis of the human and chimpanzee genomes compared with portions of other primate genomes suggests that the divergence of the human and chimpanzee lineages beginning around 6 million years ago was not a simple clean split. ...
... Human tissue-specific genes were reported to be longer than housekeeping genes (both in coding and intronic parts). The competing neutralist and adaptationist models were proposed to explain this observation. Here I show that in human genome the longest are genes with the intermediate expression pattern. From the standpoint of information theory, the regulation of such genes should be most complex ...
biodiversity; case studies; farms; food processing; fruit growing; health services; homeless people; humans; nongovernmental organizations; organic production; people with disabilities; quality of life; therapeutics; vegetable growing; villages; Poland
Abstract:
... âGreen careâ is a special form of application of horticulture and farming in therapy and social care for the disadvantaged people. The aim of the study was to characterize model pioneer âgreen careâ initiatives in Poland. Data collected during the study visits was used to elaborate case studies of five âcare farmsâ. Centres studied differ in their area (from 4.5 ha to 1,900 ha), howeve ...
... Geoarchaeological research at the archaeological site of Mǎgura Gorgana should elucidate the environmental setting Neolithic and Copper Age communities were faced with, when they settled along the Lower Danube Valley, Romania. This should enable a better understanding of human-environment interactions, the natural preconditions of a trading network, as well as the living conditions of the human po ...
DNA; DNA topoisomerase; Leishmania donovani; active sites; catalytic activity; chimerism; humans; tyrosine
Abstract:
... The active site tyrosine residue of all monomeric type IB topoisomerases resides in the C-terminal domain of the enzyme. Leishmania donovani, possesses unusual heterodimeric type IB topoisomerase. The small subunit harbors the catalytic tyrosine within the SKXXY motif. To explore the functional relationship between the two subunits, we have replaced the small subunit of L.donovani topoisomerase I ...
... In humans and animals, anabolic-androgenic steroids (AAS) increase aggression, but the underlying behavioral mechanisms are unclear. AAS may increase the motivation to fight. Alternatively, AAS may increase impulsive behavior, consistent with the popular image of 'roid rage. To test this, adolescent male rats were treated chronically with testosterone (7.5mg/kg) or vehicle and tested for aggressiv ...
Cajanus cajan; X-ray diffraction; chemical reactions; chemical structure; hepatoma; humans; leaves; neoplasm cells; organic compounds; spectroscopy
Abstract:
... A pair of new enantiomeric stilbene dimers, (+)- and (−)-cajanusine [(+)-1 and (−)-1], with a unique coupling pattern were isolated from the leaves of Cajanus cajan. Their structures including absolute configurations were elucidated on the basis of comprehensive spectroscopic and single-crystal X-ray diffraction analyses, as well as CD calculations. The plausible biogenetic pathway of 1 was also p ...
... Background: Despite recent advances in the treatment of squamous cell skin cancer (SCSC), the disease persists, and treatment resistance develops. Thus, identifying new targets and developing new therapeutic approaches showing low vulnerability to drug resistance is highly needed. Purpose: This study aimed to reveal a novel targeted phytotherapeutic strategy for SCSC treatment alone or in combinat ...
active ingredients; antineoplastic agents; autophagy; cell movement; cell structures; cytotoxicity; drug development; humans; neoplasm cells; pancreatic neoplasms; starvation
Abstract:
... Human pancreatic cancer cells have an extreme tolerance to nutrition starvation, enabling them to survive in the hypovascular tumor microenvironment, a phenomenon also known as “austerity”. Discovery of agents that preferentially inhibit cancer cells’ tolerance to nutrition starvation is a unique anti-austerity strategy for the discovery of a new generation of anticancer agents. To discover potent ...
Chen Wei-Lun; Ren Yulin; Ren Jinhong; Erxleben Christian; Johnson Michael E.; Gentile Saverio; Kinghorn A. Douglas; Swanson Steven M.; Burdette Joanna E.
... (+)-Strebloside, a cardiac glycoside isolated from the stem bark of Streblus asper collected in Vietnam, has shown some potential for further investigation as an antineoplastic agent. A mechanistic study using an in vitro assay and molecular docking analysis indicated that (+)-strebloside binds and inhibits Na⁺/K⁺-ATPase in a similar manner to digitoxin. Inhibition of growth of different high-grad ...
phosphatidylinositol 3-kinase; protein kinases; stilbenes; humans; phytochemicals; Influenza A virus; epithelial cells; signal transduction; Vitis; cultured cells; protein phosphorylation; chemokines
... SCOPE: Accumulation of glycolytic metabolite methylglyoxal (MG) in diabetic kidney is thought to contribute to the pathogenesis of nephropathy, either as a direct toxin or as a precursor for advanced glycation end products (AGEs). Using (+)‐catechin (CE), a novel MG trapper, we investigated whether MG trapping is sufficient to prevent the progression of diabetic nephropathy in type 2 diabetic mice ...
... As one of the major global health issues, allergic disease represents a considerable burden both on individual patients and public health. (-)-Asarinin (Asa), a lignan isolated from the roots of Asiasari radix, was reported to be associated with anti-allergic effect, but its efficacy and mechanism of action remain unclear. This study investigated the inhibitory effect of Asa on allergic reaction a ...
... While diets rich in fruit and vegetables can decrease the risk for type 2 diabetes (T2D), diets rich in fat and carbohydrates can increase it. The flavanol-3-ol (-)-epicatechin (EC) can improve insulin sensitivity both in humans and animal models of T2D. NADPH oxidases and oxidative stress can contribute to the development of insulin resistance. This study investigated the capacity of EC and EC me ...
blood glucose; foods; high fat diet; humans; insulin; insulin receptors; insulin resistance; laboratory animals; liver; mice; mitogen-activated protein kinase; noninsulin-dependent diabetes mellitus; obesity; protein kinase C; protein-tyrosine-phosphatase; public health; tissues
Abstract:
... Obesity constitutes a major public health concern, being frequently associated with type 2 diabetes (T2D). Evidence from studies in humans and experimental animals suggest that consumption of the flavan-3-ol (-)-epicatechin (EC) and of EC-rich foods may improve insulin sensitivity. To further understand the potential benefits of dietary EC consumption on insulin resistance, this study investigated ...
... Objective: (-)-Epigallocatechin gallate (EGCG) is thought to enhance insulin sensitivity in adipocytes, although doses used in in vitro experiments have been shown to promote apoptosis. To explore the effects of EGCG on insulin sensitivity in adipocytes, the expression of genes related to insulin sensitivity and adipocyte differentiation in 3T3-L1 adipocytes were measured in response to low doses ...
... Mast cells are multipotent effector cells of the immune system. They are able to induce and enhance angiogenesis via multiple pathways. (-)-Epigallocatechin-3-gallate (EGCG), a major component of green tea and a putative chemopreventive agent, was reported to inhibit tumor invasion and angiogenesis, processes that are essential for tumor growth and metastasis. Using the human mast cell line HMC-1 ...
... Cigarette smoking is the leading cause for the initiation and development of cardiovascular disease (CVD). Oxidative stress and inflammatory responses play important roles in the pathophysiological processes of smoking-induced cardiac injury. (-)-epigallocatechin-3-gallate (EGCG), the most abundant catechin in green tea, which is made from Camellia sinensis leaves, has been reported to possess pot ...
... Epidemiological and medical anthropological investigations suggest that flavanol-rich foods exert cardiovascular health benefits. Endothelial dysfunction, a prognostically relevant key event in atherosclerosis, is characterized by a decreased bioactivity of nitric oxide (NO) and impaired flow-mediated vasodilation (FMD). We show in healthy male adults that the ingestion of flavanol-rich cocoa was ...
... AIM: The antioxidative and antinitrative activities of (1→3)-β-d-glucan (1–4μg/ml) from the yeast cell walls of Saccharomyces cerevisiae in human plasma treated with strong oxidants – peroxynitrite (ONOO⁻) (0.1mM) and hydrogen peroxide (H₂O₂) (2mM) were studied in vitro. The main purpose of this study was to assess if (1→3)-β-d-glucan, a well known strong immunostimulatory agent, possesses a prote ...
... LPS (lipopolysaccharide) induces platelet activation and is a well-known fundamental agent of septic shock and disseminated intravascular coagulation (DIC). Biological activity of (1→3)-β-d-glucan is related due to its anti-inflammatory, antioxidant, and antitumor properties. We focus our attention on the (1→3)-β-d-glucan (antiplatelet) properties.The main purpose of our study was to evaluate the ...
... The methanol extract of the whole plant of Hedyotis chrysotricha demonstrated cytotoxicity against SK-HEP-1 human hepatocarcinoma cells in a primary screening for novel antitumour agents. Bioassay-guided fractionation and purification led to an active principle (24S)-ergostane-3β,5α,6β-triol (1) along with four inactive compounds (2–5). The in vitro transwell migration assay showed that compound 1 ...
... One of the CC chemokines, cutaneous T cell-attracting chemokine (CTACK/CCL27), is a skin-specific CC chemokine that is produced constitutively by keratinocytes and is highly up-regulated in inflammatory skin conditions such as atopic dermatitis and contact dermatitis. (2S)-2′-Methoxykurarinone (MOK) from Sophora flavescens has been demonstrated to have antioxidant effects. Heme oxygenase (HO)-1 ha ...
... Biodegradable polyelectrolyte surfaces for gene delivery were created through electrospinning of biodegradable polycations combined with iterative solution-based multilayer coating. Poly(β-amino ester) (PBAE) poly(1,4-butanediol diacrylate-co-4-amino-1-butanol) end-capped with 1-(3-aminopropyl)-4-methylpiperazine was utilized because of its ability to electrostatically interact with anionic molecu ...
... In the current work, a method was proposed to fabricate strain-sensing yarns via epoxy/thiol reactions by a dip-coating method. Reduced graphene oxide (rGO) was modified with (3-mercaptopropyl)triethoxysilane, and polyurethane yarn was cross-linked with 3-glycidoxypropyltrimethoxysilane. The existence of thiol in modified rGO and epoxy in the cross-linked polyurethane yarn contributed to the forma ...
NAD ADP-ribosyltransferase; Tabernaemontana; alkaloids; apoptosis; cell viability; colon; colorectal neoplasms; cytotoxicity; fibroblasts; flow cytometry; fluorouracil; fractionation; guavas; human cell lines; humans; inhibitory concentration 50; lactate dehydrogenase; liver; medicinal plants; methanol; neoplasm cells; nuclear magnetic resonance spectroscopy; pro-apoptotic proteins; roots; staining; traditional medicine; Africa
Abstract:
... Tabernaemontana elegans Stapf. (Apocynaceae) is a medicinal plant traditionally used in African countries to treat cancer.To discover new apoptosis inducing lead compounds from T. elegans and provide scientific validation of the ethnopharmacological use of this plant.Through fractionation, (3′R)-hydroxytaberanelegantine C (1), a vobasinyl-iboga bisindole alkaloid, was isolated from a cytotoxic alk ...
... Eleven pimarane-type diterpenoids were isolated from the tubers of Icacina oliviformis, including three new compounds, icacinlactone M (9), icacinlactone H 2-O-β-d-glucopyranoside (10), and icacinlactone N 3-O-β-d-glucopyranoside (11), together with an artifact of acrenol (8). Among the known structures, icacinlactone A (2), icacinlactone B (3), icacinlactone H (4), 12-hydroxyicacinlactone A (5), ...
Zhao Ming; Onakpa Monday M.; Santarsiero Bernard D.; Chen Wei-Lun; Szymulanska-Ramamurthy Karina M.; Swanson Steven M.; Burdette Joanna E.; Che Chun-Tao
... New 17-nor-pimaranes (1, 2), (9βH)-pimaranes (3, 4), and 17-nor-(9βH)-pimarane (5) were isolated from the tuber of Icacina trichantha. The structures were elucidated based on spectroscopic and HRMS data. The absolute configurations of 3 and 5 were determined by single-crystal X-ray diffraction. Compound 5 possesses a unique 19,20-δ-lactone moiety. Compound 3 showed cytotoxicity against MDA-MB-435 ...
... BACKGROUND: Quercetin‐3‐O‐β‐d‐glucopyranoside (isoquercitrin) and quercetin‐3‐O‐rutinoside (rutin) are common components of a normal human diet and are increasingly used in food supplements. Here their effect on mutagenesis and immunity is shown. RESULTS: The in vitro (anti)mutagenic potential was compared with that of quercetin using the Ames test in Salmonella typhimurium His⁻ strains TA100, TA9 ...
antioxidants; ascorbic acid; brain; children; homeostasis; humans; lead; lead poisoning; metal ions; neurotoxicity; nutrients; research; therapeutics; trajectories
Abstract:
... Lead (Pb) neurotoxicity is a major concern, particularly in children. Developmental exposure to Pb can alter neurodevelopmental trajectory and has permanent neuropathological consequences, including an increased vulnerability to further stressors. Ascorbic acid is among most researched antioxidant nutrients and has a special role in maintaining redox homeostasis in physiological and physio-patholo ...
... Floodplains are an important feature of arid landscapes, enabling intensive agricultural activity by providing a locale with a consistent and largely predictable water source that is accessible without costly infrastructural modifications. Floodplain agriculture, although likely an important part of ancient agricultural systems in the Near East, is notoriously difficult to detect, as the dynamic e ...