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https://www.readbyqxmd.com/read/27192209/evaluation-of-the-interaction-between-the-poincianella-pyramidalis-tul-lp-queiroz-extract-and-antimicrobials-using-biological-and-analytical-models
#1
Thiago P Chaves, Felipe Hugo A Fernandes, Cleildo P Santana, Jocimar S Santos, Francinalva D Medeiros, Délcio C Felismino, Vanda L Santos, Raïssa Mayer R Catão, Henrique Douglas M Coutinho, Ana Cláudia D Medeiros
Poincianella pyramidalis (Tul.) LP Queiroz (Fabaceae) is an endemic tree of northeastern Brazil, occurring mainly in the Caatinga. Its medicinal use is widespread and is an important therapeutic option against diarrhea, dysentery, and respiratory and urinary infections, among other diseases. In this study we determined the chemical marker and evaluated the interaction between P. pyramidalis extract and a commercial antimicrobial through the use of biological and analytical models. To obtain the extract, an ethanol-water mixture (50:50 v/v) was used as solvent...
2016: PloS One
https://www.readbyqxmd.com/read/26985927/antimicrobial-potential-of-actinobacteria-isolated-from-the-rhizosphere-of-the-caatinga-biome-plant-caesalpinia-pyramidalis-tul
#2
G R Silva-Lacerda, R C F Santana, M C V Vicalvi-Costa, E G Solidônio, K X F R Sena, G M S Lima, J M Araújo
Actinobacteria are known to produce various secondary metabolites having antibiotic effects. This study assessed the antimicrobial potential of actinobacteria isolated from the rhizosphere of Caesalpinia pyramidalis Tul. from the Caatinga biome. Sixty-eight actinobacteria isolates were evaluated for antimicrobial activity against different microorganisms by disk diffusion and submerged fermentation, using different culture media, followed by determination of minimum inhibitory concentration (MIC) and chemical prospecting of the crude extract...
2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/25983634/effects-of-erosion-from-mounds-of-different-termite-genera-on-distinct-functional-grassland-types-in-an-african-savannah
#3
Cleo M Gosling, Joris P G M Cromsigt, Nokukhanya Mpanza, Han Olff
A key aspect of savannah vegetation heterogeneity is mosaics formed by two functional grassland types, bunch grasslands, and grazing lawns. We investigated the role of termites, important ecosystem engineers, in creating high-nutrient patches in the form of grazing lawns. Some of the ways termites can contribute to grazing lawn development is through erosion of soil from aboveground mounds to the surrounding soil surface. This may alter the nutrient status of the surrounding soils. We hypothesize that the importance of this erosion varies with termite genera, depending on feeding strategy and mound type...
2012: Ecosystems
https://www.readbyqxmd.com/read/25937339/activity-of-botulinum-neurotoxin-type-d-strain-1873-in-human-neurons
#4
Sabine Pellett, William H Tepp, Jacob M Scherf, Christina L Pier, Eric A Johnson
Botulinum Neurotoxin type D (BoNT/D) causes periodic outbreaks of botulism in cattle and horses, but is rarely associated with human botulism. Previous studies have shown that humans responded poorly to peripheral injection of up to 10U of BoNT/D. Isolated human pyramidalis muscle preparations were resistant to BoNT/D, whereas isolated human intercostal muscle preparations responded to BoNT/D similarly as to other BoNT serotypes. In vitro data indicate that BoNT/D does not cleave human VAMP1 efficiently, and differential expression of the VAMP 1 and 2 isoforms may be responsible for the above observations...
July 2015: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/25843020/possible-mechanisms-of-action-of-caesalpinia-pyramidalis-against-ethanol-induced-gastric-damage
#5
Polyana B F Diniz, Ana Roseli S Ribeiro, Charles S Estevam, Cristiane C Bani, Sara M Thomazzi
ETHNOPHARMACOLOGICAL RELEVANCE: Caesalpinia pyramidalis Tul. (Fabaceae), known as "catingueira", is an endemic tree of the Northeast region of Brazil. This plant, mainly inner bark and flowers, has been used in traditional medicine to treat gastritis, heartburn, indigestion, stomachache, dysenteries, and diarrheas. MATERIALS AND METHODS: The ethanol extract of C. pyramidalis inner bark was used in rats via oral route, at the doses of 30, 100, and 300 mg/kg, in the ethanol-induced ulcer model and some of the mechanisms underlying to the gastroprotective effect of this plant investigated...
June 20, 2015: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/25366722/karyomorphology-and-karyotype-asymmetry-in-the-south-american-caesalpinia-species-leguminosae-and-caesalpinioideae
#6
P S Rodrigues, M M Souza, R X Corrêa
With the purpose of addressing the pattern of karyotype evolution in Caesalpinia species, chromosome morphology was characterized in five species from Brazil, and karyotypic asymmetry was analyzed in 14 species from South America. All accessions had the chromosome number 2n = 24, which was first described here for Caesalpinia laxiflora Tul. and Cenostigma macrophyllum Tul. The karyotype formula of C. laxiflora, Caesalpinia pyramidalis Tul., and C. macrophyllum was 12 m. The formula varies amongst the populations of Caesalpinia bracteosa Tul...
2014: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/25117341/rapd-analysis-of-the-genetic-diversity-among-accessions-of-fabaceous-forages-poincianella-spp-from-the-caatinga
#7
R F M Mendes, R B Araujo Neto, M P S B C Nascimento, P S C Lima
Among members of the Fabaceae family, native to the Brazilian Caatinga, the species Poincianella pyramidalis and P. bracteosa exhibit particular potential as forage for cattle, sheep and goats. With the aim of establishing genetic relationships within Poincianella, random amplified polymorphic DNA analysis was performed on eight accessions of P. pyramidalis and two accessions of P. bracteosa, originating from the semiarid zone of the state of Piauí, northeastern Brazil, and present in the germplasm bank of Embrapa Meio Norte (Teresina, Piauí, Brazil)...
2014: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/23877506/low-activity-124i-pet-low-dose-ct-versus-99mtc-pertechnetate-planar-scintigraphy-or-99mtc-pertechnetate-single-photon-emission-computed-tomography-of-the-thyroid-a-pilot-comparison
#8
COMPARATIVE STUDY
Andreas M Darr, Thomas Opfermann, Tobias Niksch, Dominik Driesch, Robert J Marlowe, Martin Freesmeyer
PURPOSE OF THE REPORT: The standard thyroid functional imaging method, 99mTc-pertechnetate (99mTc-PT) planar scintigraphy, has technical drawbacks decreasing its sensitivity in detecting nodules or anatomical pathology. 124I-PET, lacking these disadvantages and allowing simultaneous CT, may have greater sensitivity for these purposes. We performed a blinded pilot comparison of 124I-PET(/CT) versus 99mTc-PT planar scintigraphy or its cross-sectional enhancement, 99mTc-PT single-photon emission CT (SPECT), in characterizing the thyroid gland with benign disease...
October 2013: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/23603194/evaluation-of-mechanisms-involved-in-the-antinociception-of-the-ethanol-extract-from-the-inner-bark-of-caesalpinia-pyramidalis-in-mice
#9
Cliomar A Santos, Dayanne S Santos, Danielle G Santana, Sara M Thomazzi
ETHNOPHARMACOLOGICAL RELEVANCE: Caesalpinia pyramidalis Tul. (Fabaceae) is an endemic tree of the Northeast region of Brazil, mainly in the Caatinga region. More commonly, inner bark or flowers are traditionally used to treat many painful and inflammatory processes. A common use of this plant is made by macerating a handful of its stem bark in a liter of wine or sugarcane brandy. It is drunk against stomachache, dysenteries, and diarrheas. MATERIALS AND METHODS: The ethanol extract of Caesalpinia pyramidalis inner bark was used in mice via oral route, at the doses of 10, 30, and 100mg/kg, in behavioral models of nociception and investigates some of the mechanisms underlying this effect...
June 21, 2013: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/23506986/gastroprotective-activity-of-the-ethanol-extract-from-the-inner-bark-of-caesalpinia-pyramidalis-in-rats
#10
Ana Roseli S Ribeiro, Polyana B F Diniz, Charles S Estevam, Malone S Pinheiro, Ricardo L C Albuquerque-Júnior, Sara M Thomazzi
ETHNOPHARMACOLOGICAL RELEVANCE: Caesalpinia pyramidalis Tul. (Fabaceae), known as "catingueira", has been used in folk medicine in the treatment of various disorders such as gastritis, heartburn, indigestion, and stomach ache. However, the gastroprotective properties of this species have not yet been studied. MATERIALS AND METHODS: The ethanol extract of Caesalpinia pyramidalis inner bark was used in rats via oral route, at the doses of 30, 100, and 300 mg/kg. The antiulcer assays were performed using the ethanol- and nonsteroidal anti-inflammatory drug-induced ulcer models...
May 20, 2013: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/22626927/beneficial-effects-of-the-ethanol-extract-of-caesalpinia-pyramidalis-on-the-inflammatory-response-and-abdominal-hyperalgesia-in-rats-with-acute-pancreatitis
#11
Danielle G Santana, Cliomar A Santos, Alan D C Santos, Paulo C L Nogueira, Sara M Thomazzi, Charles S Estevam, Angelo R Antoniolli, Enilton A Camargo
ETHNOPHARMACOLOGICAL RELEVANCE: Caesalpinia pyramidalis Tul. (Fabaceae) is a plant found in the Northeast of Brazil that is popularly used to treat inflammation. Acute pancreatitis (AP) is an inflammatory disease for which abdominal pain is a relevant symptom. As there is no specific therapy for AP, we investigated the effect of the ethanol extract from the inner bark of C. pyramidalis (EECp) on the AP induced by common bile duct obstruction (CBDO) in rats. MATERIAL AND METHODS: AP was induced in male Wistar rats (200-250 g, n=6-8) through laparotomy and subsequent CBDO...
July 13, 2012: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/22194773/bioactivity-evaluation-of-plant-extracts-used-in-indigenous-medicine-against-the-snail-biomphalaria-glabrata-and-the-larvae-of-aedes-aegypti
#12
Edilson Alves Dos Santos, Cenira M de Carvalho, Ana L S Costa, Adilva S Conceição, Flávia de B Prado Moura, Antônio Euzébio Goulart Santana
This investigation examined the molluscicidal and larvicidal activity of eight plants that are used in the traditional medicine of the Pankararé indigenous people in the Raso da Catarina region, Bahia state, Brazil. The tested plants were chosen based on the results of previous studies. Only those plants that were used either as insect repellents or to treat intestinal parasitic infections were included in the study. Crude extracts (CEs) of these plants were tested for their larvicidal activity (against Aedes aegypti larvae in the fourth instar) and molluscicidal activity (against the snail Biomphalaria glabrata)...
2012: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/21670876/nutritional-reserves-of-vochysiaceae-seeds-chemical-diversity-and-potential-economic-uses
#13
Marco A S Mayworm, Marcos S Buckeridge, Ursula M L Marquez, Antonio Salatino
Contents of proteins, carbohydrates and oil of seeds of 57 individuals of Vochysiaceae, involving one species of Callisthene, six of Qualea, one of Salvertia and eight of Vochysia were determined. The main nutritional reserves of Vochysiaceae seeds are proteins (20% in average) and oils (21. 6%). Mean of carbohydrate contents was 5. 8%. Callisthene showed the lowest protein content (16. 9%), while Q. cordata was the species with the highest content (30% in average). The contents of ethanol soluble carbohydrates were much higher than those of water soluble carbohydrates...
June 2011: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/21562793/heavy-metal-biomonitoring-and-phytoremediation-potentialities-of-aquatic-macrophytes-in-river-nile
#14
Manal Ahmed Fawzy, Nadia El-sayed Badr, Ahmed El-Khatib, Amany Abo-El-Kassem
The concentrations of Cd, Cu, Pb, and Zn in sediments, water, and different plant organs of six aquatic vascular plant species, Ceratophyllum demersum L. Echinochloa pyramidalis (Lam.) Hitchc. & Chase; Eichhornia crassipes (Mart.) Solms-Laub; Myriophyllum spicatum L.; Phragmites australis (Cav.) Trin. ex Steud; and Typha domingensis (Pers.) Poir. ex Steud, growing naturally in the Nile system (Sohag Governorate), were investigated. The aim was to define which species and which plant organs exhibit the greatest accumulation and evaluate whether these species could be usefully employed in biomonitoring and phytoremediation programs...
March 2012: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/21467579/a-sister-group-contrast-using-untargeted-global-metabolomic-analysis-delineates-the-biochemical-regulation-underlying-desiccation-tolerance-in-sporobolus-stapfianus
#15
Melvin J Oliver, Lining Guo, Danny C Alexander, John A Ryals, Bernard W M Wone, John C Cushman
Understanding how plants tolerate dehydration is a prerequisite for developing novel strategies for improving drought tolerance. The desiccation-tolerant (DT) Sporobolus stapfianus and the desiccation-sensitive (DS) Sporobolus pyramidalis formed a sister group contrast to reveal adaptive metabolic responses to dehydration using untargeted global metabolomic analysis. Young leaves from both grasses at full hydration or at 60% relative water content (RWC) and from S. stapfianus at lower RWCs were analyzed using liquid and gas chromatography linked to mass spectrometry or tandem mass spectrometry...
April 2011: Plant Cell
https://www.readbyqxmd.com/read/21281018/agathisflavone-enhances-retinoic-acid-induced-neurogenesis-and-its-receptors-%C3%AE-and-%C3%AE-in-pluripotent-stem-cells
#16
Bruna S Paulsen, Cleide S Souza, Leonardo Chicaybam, Martin Hernán Bonamino, Marcus Bahia, Silvia Lima Costa, Helena L Borges, Stevens K Rehen
Flavonoids have key functions in the regulation of multiple cellular processes; however, their effects have been poorly examined in pluripotent stem cells. Here, we tested the hypothesis that neurogenesis induced by all-trans retinoic acid (RA) is enhanced by agathisflavone (FAB, Caesalpinia pyramidalis Tull). Mouse embryonic stem (mES) cells and induced pluripotent stem (miPS) cells growing as embryoid bodies (EBs) for 4 days were treated with FAB (60 μM) and/or RA (2 μM) for additional 4 days. FAB did not interfere with the EB mitotic rate of mES cells, as evidenced by similar percentages of mitotic figures labeled by phospho-histone H3 in control (3...
October 2011: Stem Cells and Development
https://www.readbyqxmd.com/read/19159363/architecture-and-fiber-type-of-the-pyramidalis-muscle
#17
Richard M Lovering, Larry D Anderson
The paired pyramidalis muscles are small triangular-shaped muscles that lie between the anterior surface of the rectus abdominus and the posterior surface of the rectus sheath. The precise function of pyramidalis muscles is unclear, but together the muscles are thought to tense the linea alba. The muscles are not always present, or are often unilateral, and vary greatly in size. Their wider inferior margins attach to the pubic symphyses and pubic crests, whereas their narrow superior margins attach to the linea alba...
December 2008: Anatomical Science International
https://www.readbyqxmd.com/read/19040575/antiproliferative-effects-of-essential-oils-and-their-major-constituents-in-human-renal-adenocarcinoma-and-amelanotic-melanoma-cells
#18
M R Loizzo, R Tundis, F Menichini, A M Saab, G A Statti, F Menichini
OBJECTIVES: The purpose of this study was to evaluate cytotoxic activity of Platycladus orientalis, Prangos asperula and Cupressus sempervirens ssp. pyramidalis essential oils and to identify active components involved in inhibition of population growth of human cancer cell lines. MATERIALS AND METHODS: Essential oils were obtained by hydrodistillation and were analysed by gas chromatography and gas chromatography coupled to mass spectrometry. Antiproliferative activity was tested on amelanotic melanoma C32 cells and on renal cell adenocarcinoma cells, using the sulphorhodamine B assay...
December 2008: Cell Proliferation
https://www.readbyqxmd.com/read/18357554/phytochemical-analysis-and-in-vitro-antiviral-activities-of-the-essential-oils-of-seven-lebanon-species
#19
Monica R Loizzo, Antoine M Saab, Rosa Tundis, Giancarlo A Statti, Francesco Menichini, Ilaria Lampronti, Roberto Gambari, Jindrich Cinatl, Hans Wilhelm Doerr
The chemical composition of the essential oils of Laurus nobilis, Juniperus oxycedrus ssp. oxycedrus, Thuja orientalis, Cupressus sempervirens ssp. pyramidalis, Pistacia palaestina, Salvia officinalis, and Satureja thymbra was determined by GC/MS analysis. Essential oils have been evaluated for their inhibitory activity against SARS-CoV and HSV-1 replication in vitro by visually scoring of the virus-induced cytopathogenic effect post-infection. L. nobilis oil exerted an interesting activity against SARS-CoV with an IC(50) value of 120 microg/ml and a selectivity index (SI) of 4...
March 2008: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/18243157/in-vitro-antioxidant-potential-of-medicinal-plant-extracts-and-their-activities-against-oral-bacteria-based-on-brazilian-folk-medicine
#20
Wagner S Alviano, Daniela S Alviano, Cláudio G Diniz, Angelo R Antoniolli, Celuta S Alviano, Luiz M Farias, Maria Auxiliadora R Carvalho, Margareth M G Souza, Ana Maria Bolognese
BACKGROUND AND OBJECTIVES: This study aims to determine antibacterial activities of Cocos nucifera (husk fiber), Ziziphus joazeiro (inner bark), Caesalpinia pyramidalis (leaves), aqueous extracts and Aristolochia cymbifera (rhizomes) alcoholic extract against Prevotella intermedia, Porphyromonas gingivalis, Fusobacterium nucleatum, Streptococcus mutans and Lactobacillus casei. The antioxidant activity and acute toxicity of these extracts were also evaluated. MATERIAL AND METHODS: The plant extracts antibacterial activity was evaluated in vitro and the minimal inhibitory concentration (MIC) was determined by the broth micro-dilution assay...
June 2008: Archives of Oral Biology
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