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https://www.readbyqxmd.com/read/28800636/combined-sprint-and-resistance-training-abrogates-age-differences-in-somatotropic-hormones
#1
Maha Sellami, Wissem Dhahbi, Lawrence D Hayes, Johnny Padulo, Fatma Rhibi, Hanen Djemail, Anis Chaouachi
The aim of this investigation was to compare serum growth hormone (GH), insulin-like growth factor-1 (IGF-1) and insulin-like growth factor-binding protein-3 (IGFBP-3) in response to a combined sprint and resistance training (CSRT) program in young and middle-aged men.Thirty-eight healthy, moderately trained men participated in this study. Young and middle-aged men were randomly assigned to, a young training group (YT = 10, 21.4±1.2yrs) ora young control group (YC = 9, 21.6±1.8 yrs), a middle-aged training group (MAT = 10, 40...
2017: PloS One
https://www.readbyqxmd.com/read/28800521/potassium-deficiency-alters-growth-photosynthetic-performance-secondary-metabolites-content-and-related-antioxidant-capacity-in-sulla-carnosa-grown-under-moderate-salinity
#2
Chokri Hafsi, Hanen Falleh, Mariem Saada, Riadh Ksouri, Chedly Abdelly
Salinity and K(+) deficiency are two environmental constraints that generally occur simultaneously under field conditions, resulting in severe limitation of plant growth and productivity. The present study aimed at investigating the effects of salinity, either separately applied or in combination with K(+) deficiency, on growth, photosynthetic performance, secondary metabolites content, and related antioxidant capacity in Sulla carnosa. Seedlings were grown hydroponically under sufficient (6000 μM) or low (60 μM) K(+) supply with 100 mM NaCl (C + S and D + S treatments, respectively)...
August 4, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28793955/optimization-of-therapeutic-drug-monitoring-of-vancomycin-in-patients-with-chronic-hemodialysis%C3%A2
#3
Lobna Ben Mahmoud, Yosr Chaabouni, Hanen Ghozzi, Houda Feriani, Ahmed Hakim, Mahmoud Kharrat, Chakib Marrakchi, Zouheir Sahnoun, Mounir Ben Jmaa, Khaled Zeghal, Jamil Hachicha
PURPOSE: To validate a simplified vancomycin monitoring algorithm in patients on chronic hemodialysis who required intravenous vancomycin for at least 3 weeks. MATERIALS AND METHODS: In this prospective study, all hemodialysis patients who were admitted between April 1, 2013, and March 31, 2015, in our unit for suspected or confirmed methicillin-resistant Staphylococcus aureus infection that required vancomycin were enrolled. All patients were categorized into two groups...
August 10, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28774465/a-new-preprocessing-parameter-estimation-based-on-geodesic-active-contour-model-for-automatic-vestibular-neuritis-diagnosis
#4
Amine Ben Slama, Aymen Mouelhi, Hanene Sahli, Sondes Manoubi, Chiraz Mbarek, Hedi Trabelsi, Farhat Fnaiech, Mounir Sayadi
The diagnostic of the vestibular neuritis (VN) presents many difficulties to traditional assessment methods This paper deals with a fully automatic VN diagnostic system based on nystagmus parameter estimation using a pupil detection algorithm. A geodesic active contour model is implemented to find an accurate segmentation region of the pupil. Hence, the novelty of the proposed algorithm is to speed up the standard segmentation by using a specific mask located on the region of interest. This allows a drastically computing time reduction and a great performance and accuracy of the obtained results...
July 23, 2017: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/28694749/variability-of-antioxidant-and-biological-activities-of-rhus-tripartitum-related-to-phenolic-compounds
#5
Hanène Ben Miled, Mariem Saada, Ines Jallali, Zaineb Ben Barka, Mounira Tlili, Hichem Alimi, Mohsen Sakly, Khémais Ben Rhouma, Manef Abderrabba, Hafedh Abdelmelek, Olfa Tebourbi, Riadh Ksouri
Rhus species are known in traditional medicine for their therapeutic virtue and their extracts showed numerous important properties including antimalarial, antimicrobial, antiviral, and hypoglycemic and anticonvulsant activities. Rhus tripartitum (Ucria) is a medicinal plant widely used in Tunisia folk medicine against chronic diarrhea and gastric ulcer. This study was designed to examine in vitro and ex vivo antioxidant, anti-inflammatory and anticancer activities of four extracts of Rhus tripartitum root cortex with increasing solvent polarity (hexane, dichloromethane, methanol and water)...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28679351/modulatory-effects-of-quercetin-on-liver-histopathological-biochemical-hematological-oxidative-stress-and-dna-alterations-in-rats-exposed-to-graded-doses-of-score-250
#6
Sabrine Kasmi, Intithar Bkhairia, Bahira Harrabi, Hela Mnif, Rim Marrakchi, Hanen Ghozzi, Choumous Kallel, Moncef Nasri, Khaled Zeghal, Kamel Jamoussi, Ahmed Hakim
This study investigated the morphological, biochemical and molecular aspects of liver injury in rats after the exposure to difenoconazole and the protective effects of quercetin against hepatotoxicity and genotoxicity induced by this fungicide. Rats were given graded doses of difenoconazole associated or not to quercetin daily for 20 days. Our results showed a significant increase in PLT (Platelets) and WBC (white blood cells) in rats treated with higher doses of difenoconazole (1/38 and 1/9 of LD50). However, a significant decrease in Hb (Hemoglobin) rate and RBC (Red blood cells) number in rats treated with higher doses of difenoconazole (1/38 and 1/9 of LD50) was obtained...
July 5, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28666229/structural-characterization-and-identification-of-cyclic-lipopeptides-produced-by-bacillus-methylotrophicus-dcs1-strain
#7
Nawel Jemil, Angeles Manresa, Francesc Rabanal, Hanen Ben Ayed, Noomen Hmidet, Moncef Nasri
Bacillus methylotrophicus DCS1 strain was isolated from diesel contaminated soil and screened for its ability to produce biosurfactants; it was found effective for the production of surface active molecules. The structural characterization of the isolated lipopeptides was studied by a variety of analytical techniques. The organic extract of DCS1 lipopeptides was fractionated by silica gel column chromatography (60Mesh). Fractions containing lipopeptides were collected and identified by tandem mass spectrometry MALDI-TOF-MS and MALDI-TOF MS(2)...
June 8, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28659164/antioxidant-properties-antimicrobial-and-anti-adhesive-activities-of-dcs1-lipopeptides-from-bacillus-methylotrophicus-dcs1
#8
Nawel Jemil, Hanen Ben Ayed, Angeles Manresa, Moncef Nasri, Noomen Hmidet
BACKGROUND: The present work aims to investigate the antioxidant and antimicrobial activities as well as the potential of DCS1 lipopeptides produced by Bacillus methylotrophicus DCS1 strain at inhibition and disruption of biofilm formation. RESULTS: The produced biosurfactants were characterized as lipopeptides molecules by using thin layer chromatography (TLC) and Fourier transform infrared spectroscopy (FT-IR). The DCS1 lipopeptides were assayed for their antioxidant activity through five different tests...
June 28, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28641150/polyamine-and-tyramine-involvement-in-nacl-induced-improvement-of-cd-resistance-in-the-halophyte-inula-chrithmoides-l
#9
Rim Ghabriche, Tahar Ghnaya, Mejda Mnasri, Hanen Zaier, Raoudha Baioui, Delphine Vromman, Chedly Abdelly, Stanley Lutts
The aim of the present work was to analyze the impact of salinity on the plant response to Cd toxicity in the Mediterranean halophyte species Inula crithmoides. For this purpose, cuttings were cultivated hydroponically during 21d in the presence of 0, 25 or 50μM CdCl2 combined or not with 0, 100, 200 and 400mM NaCl. The obtained data demonstrated that, in the absence of Cd, NaCl strongly increased plant growth (the maximal dry weight being observed at 100mM) and enhanced the Na(+)/K(+) ratio in the shoot. Cd alone strongly affected plant growth in this halophyte...
September 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28629740/seasonal-dynamics-spatial-distribution-and-genetic-analysis-of-anaplasma-species-infecting-small-ruminants-from-northern-tunisia
#10
Hanène Belkahia, Mourad Ben Said, Narjesse El Mabrouk, Mariem Saidani, Chayma Cherni, Mariem Ben Hassen, Ali Bouattour, Lilia Messadi
To date, there have been no reports on seasonal variations of Anaplasma spp. in South Mediterranean small ruminants. In this longitudinal field study, single and mixed Anaplasma spp. infections in small ruminants from five different governorates belonging to three bioclimatic zones from the North of Tunisia were evaluated according to seasons. A total of 1685 blood small ruminant samples were collected in spring (355 sheep and 241 goats), summer (249 sheep and 202 goats), autumn (236 sheep and 186 goats) and winter (132 sheep and 84 goats)...
June 17, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28629341/protective-effects-of-cynara-scolymus-leaves-extract-on-metabolic-disorders-and-oxidative-stress-in-alloxan-diabetic-rats
#11
Maryem Ben Salem, Rihab Ben Abdallah Kolsi, Raouia Dhouibi, Kamilia Ksouda, Slim Charfi, Mahdi Yaich, Serria Hammami, Zouheir Sahnoun, Khaled Mounir Zeghal, Kamel Jamoussi, Hanen Affes
BACKGROUND: Diabetes mellitus (DM) is associated with hyperglycemia, inflammatory disorders and abnormal lipid profiles, currently the extracts from leaves of cynara scolymus has been discovered to treat metabolic disorders and has been stated by multitudinous scientists according to a good source of polyphenols compounds. The present study aimed to evaluate the protective effect of the ethanol leaves extract of C. scolymus in alloxan induced stress oxidant, hepatic-kidney dysfunction and histological changes in liver, kidney and pancreas of different experimental groups of rats...
June 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28625824/polymorphism-study-of-cryptosporidium-hominis-gp60-subtypes-circulating-in-tunisia
#12
Rym Essid, Hanen Chelbi, Emna Siala, Ines Bensghair, Jean Menotti, Aïda Bouratbine
Cryptosporidium spp. are a major cause of gastrointestinal diseases in humans worldwide. While a single subtype of Cryptosporidium hominis has been shown to be responsible for several large outbreaks related to water contamination in developed countries, little is known about the epidemiology of C. hominis in developing countries. This study reports the first genetic characterization of C. hominis at the subtype level in several human populations in Tunisia using the gp60 gene. Eighteen isolates were identified as C...
June 15, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28549713/childhood-opsoclonus-myoclonus-syndrome-a-case-series-from-tunisia
#13
Nedia Ben Achour, Saloua Mrabet, Ibtihel Rebai, Ines Abid, Hanene Benrhouma, Hedia Klaa, Aida Rouissi, Ichraf Kraoua, Ilhem Ben Youssef Turki
INTRODUCTION: Opsoclonus myoclonus syndrome (OMS) is a rare immune-mediated disorder characterized by opsoclonus, myoclonus, ataxia and behavioral changes. The aim of our study was to investigate the epidemiology, clinical features, etiological aspects and outcome of OMS in Tunisian children. METHODS: We conducted a retrospective study over 11years (2005-2016) including all patients aged under 18years who were managed for newly diagnosed OMS in a tertiary care research centre for children with neurological symptoms...
May 23, 2017: Brain & Development
https://www.readbyqxmd.com/read/28539965/chemicals-compositions-antioxidant-and-anti-inflammatory-activity-of-cynara-scolymus-leaves-extracts-and-analysis-of-major-bioactive-polyphenols-by-hplc
#14
Maryem Ben Salem, Hanen Affes, Khaled Athmouni, Kamilia Ksouda, Raouia Dhouibi, Zouheir Sahnoun, Serria Hammami, Khaled Mounir Zeghal
Objective. Artichoke (Cynara scolymus L.) was one of the plant remedies for primary health care. The present study was focused on the determination of chemical composition, antioxidant activities, and anti-inflammatory activity and on analyzing its major bioactive polyphenols by HPLC. Methods. Artichoke Leaves Extracts (ALE) were analyzed for proximate analysis and phytochemical and antioxidant activity by several methods such as DDPH, ABTS, FRAP, and beta-carotene bleaching test. The carrageenan (Carr) model induced paw oedema in order to investigate the anti-inflammatory activity...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28527996/enzymatic-hydrolysis-of-pretreated-alfa-fibers-stipa-tenacissima-using-%C3%AE-d-glucosidase-and-xylanase-of-talaromyces-thermophilus-from-solid-state-fermentation
#15
Hanen Mallek-Fakhfakh, Jawhar Fakhfakh, Kamel Walha, Hajer Hassairi, Ali Gargouri, Hafedh Belghith
This work aims at realizing an optimal hydrolysis of pretreated Alfa fibers (Stipa tenacissima) through the use of enzymes produced from Talaromyces thermophilus AX4, namely β-d-glucosidase and xylanase, by a solid state fermentation process of an agro-industrial waste (wheat bran supplemented with lactose). The carbon source was firstly selected and the optimal values of three other parameters were determined: substrate loading (10g), moisture content (85%) and production time (10days); which led to an optimized enzymatic juice...
October 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28461019/polar-and-apolar-extra-virgin-olive-oil-and-leaf-extracts-as-a-promising-anti-inflammatory-natural-treatment-for-osteoarthritis
#16
Houda Nsir, Marta Anna Szychlinska, Venera Cardile, Adriana Carol Eleonora Graziano, Rosanna Avola, Hanen Esafi, Alessandra Bendini, Mokhtar Zarouk, Carla Loreto, Venerando Rapisarda, Paola Castrogiovanni, Giuseppe Musumeci
Osteoarthritis (OA) is a common joint disease with important socio-economic impact. Looking for a novel natural treatment represents an important challenge and a public health objective. A wide range of previous studies highlighted the antioxidant and anti-inflammatory properties especially of phenolic compounds present in olive oil. Therefore, the aim of this study was to investigate the anti-inflammatory activity of Tunisian Extra Virgin Olive Oil (EVOO) extracts in an in vitro OA model. To this aim we evaluated the polar and apolar olive oil fractions and olive leaf extract...
April 28, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28416298/-epicutaneous-patch-testing-in-delayed-drug-hypersensitivity-reactions-induced-by-antiepileptic-drugs
#17
Lobna Ben Mahmoud, Najla Bahloul, Hanen Ghozzi, Brahim Kammoun, Ahmed Hakim, Zouheir Sahnoun, Sami Kammoun, Khaled Zeghal
INTRODUCTION: Antiepileptic drugs are widely used and are associated with numerous side effects including skin eruptions. Epicutaneous tests have been used with variable success in skin drug reactions. The purpose of this study was to evaluate the profitability of epicutaneous tests in delayed hypersensitivity reactions induced by antiepileptic drugs. METHODS: We analyzed all cases of allergic skin reactions to antiepileptic drugs notified in regional pharmacovigilance center of Sfax (Tunisia) between June 1, 2014 and April 30, 2016...
March 25, 2017: Thérapie
https://www.readbyqxmd.com/read/28401468/morphological-and-molecular-characterization-of-fusarium-spp-associated-with-olive-trees-dieback-in-tunisia
#18
Rahma Trabelsi, Hanen Sellami, Yâakoub Gharbi, Samira Krid, Manel Cheffi, Sonia Kammoun, Mariem Dammak, Aymen Mseddi, Radhouane Gdoura, Mohamed Ali Triki
Dieback and wilting symptoms caused by complex soilborne fungi are nowadays the most serious threatening disease affecting olive trees (Olea europaea) in Tunisia and presumably in many Mediterranean basin countries. Fusarium is one of the important phytopathogenic genera associated with dieback symptoms of olive trees. The objective of the present study was to confirm the pathogenicity of Fusarium spp. isolated from several olive-growing areas in Tunisia. According to the pathogenic test done on young olive trees (cv...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28385108/urtica-dioica-attenuates-ovalbumin-induced-inflammation-and-lipid-peroxidation-of-lung-tissues-in-rat-asthma-model
#19
Hanene Zemmouri, Omar Sekiou, Sonda Ammar, Abdelfattah El Feki, Mohamed Bouaziz, Mahfoud Messarah, Amel Boumendjel
CONTEXT: To find bioactive medicinal herbs exerting anti-asthmatic activity, we investigated the effect of an aqueous extract of Urtica dioica L. (Urticaceae) leaves (UD), the closest extract to the Algerian traditional use. OBJECTIVE: In this study, we investigated the in vivo anti-asthmatic and antioxidant activities of nettle extract. MATERIALS AND METHODS: Adult male Wistar rats were divided into four groups: Group I: negative control; group II: Ovalbumin sensitized/challenged rats (positive control); group III: received UD extract (1...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28372462/polysaccharides-extraction-from-opuntia-stricta-and-their-protective-effect-against-hepg2-cell-death-and-hypolipidaemic-effects-on-hyperlipidaemia-rats-induced-by-high-fat-diet
#20
Bahira Harrabi, Khaled Athmouni, Latifa Hamdaoui, Lobna Ben Mahmoud, Ahmed Hakim, Abdelfattah El Feki, Khaled Zeghal, Hanéne Ghozzi
The aim of this study was to analyse cytoprotective effect of polysaccharides compound from Opuntia stricta (O. stricta) cladode (POS) in vitro including its radical scavenging activities and protective effects against hypercholesterolaemia. Our results showed that glucose was the dominant monosaccharides (30.35%). Arabinose, pyranose, fructose, galactose, glucose, sorbitol, S-inositol, M-inositol, trehalose and saccharose found in this species. O. stricta polysaccharides did not cause any cytotoxic effect on HepG2 cells within the range of concentrations tested (0-400 μgml(-1))...
April 3, 2017: Archives of Physiology and Biochemistry
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