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Zanetti, Maria Eugenia,Chan, Raquel L.,Godoy, Andrea V.,Gonzalez, Daniel H.,Casalongue, Claudia A. Korean Society for Biochemistry and Molecular Biol 2004 Journal of biochemistry and molecular biology Vol.37 No.3
StMBF1 (Solanum tuberosum multiprotein bridging factor 1) is a plant member of the MBF1 family of transcriptional co-activators. In an attempt to understand the role of StMBF1, we analyzed its interaction with plant transcription factors of the homeodomain-leucine zipper (Hd-Zip) family, a group of proteins with a typical leucine zipper motif adjacent to a homeodomain. StMBF1 is able to interact in vitro with the Hd-Zip protein Hahb-4 both in the presence and absence of DNA. Upon binding, StMBF1 increases the DNA binding affinity of Hahb-4, and of another plant homeodomain containing protein from the GL2/Hd-Zip IV family, HAHR-1. The biological role of interactions is discussed in this paper.
Zanetti Noelia Inés,Centeno Néstor Daniel 한국응용곤충학회 2024 Journal of Asia-Pacific Entomology Vol.27 No.1
Megaselia scalaris Loew (Diptera: Phoridae) and Calliphora vicina Robineau-Desvoidy (Diptera: Calliphoridae) are species of medical and forensic interest. Scuttle flies can eat carrion but also behave as a facultative parasitoid of other organisms. This study evaluated the effect of fluoxetine on the development of M. scalaris, and also the feeding behavior of the scuttle flies. For this, these flies were reared on artificial fodder with 2000 mg/kg of fluoxetine and also larvae of blue bottle flies on third stage were added. A control was used for each analysis. Daily observations were performed from the beginning to the end of the experiments. The duration of life cycle, body length, grosso modo external morphology and sex ratio were evaluated. Results indicated that development of M. scalaris was not affected by fluoxetine. The duration of stages, body length and external morphology did not show differences between fluoxetine and control groups. In addition, scuttle flies did not behave as parasites of blue bottle flies in their larval advanced stage and their presence did not interference on the development of M. scalaris. In conclusion, no alteration was observed on the development of M. scalaris at the dose of fluoxetine used and scuttle flies presence did not necessarily imply predation or parasitism of C. vicina larvae. Therefore, the current study provides data that could be applied in forensic entomological research or in forensic expertise.
Flavia Adriana Zanetti,María Paula Del Médico Zajac,Oscar Alberto Taboga,Gabriela Calamante 대한수의학회 2012 Journal of Veterinary Science Vol.13 No.2
A recombinant modified vaccinia Ankara (MVA) virus expressing mature viral protein 2 (VP2) of the infectious bursal disease virus (IBDV) was constructed to develop MVA-based vaccines for poultry. We demonstrated that this recombinant virus was able to induce a specific immune response by observing the production of anti-IBDV-seroneutralizing antibodies in specific pathogen-free chickens. Besides, as the epitopes of VP2 responsible to induce IBDV-neutralizing antibodies are discontinuous, our results suggest that VP2 protein expressed from MVA-VP2 maintained the correct conformational structure. To our knowledge, this is the first report on the usefulness of MVA-based vectors for developing recombinant vaccines for poultry.
( Maria Eugenia Zanetti ),( Raquel L. Chan ),( Andrea V. Godoy ),( Daniel H. Gonzalez ),( Claudia A. Casalongue ) 생화학분자생물학회 2004 BMB Reports Vol.37 No.3
StMBFl (Solanumtuberosum multiprotein bridging factor 1) is a plant member of the MBFl family of transcriptional co-activators. In an attempt to understand the role of StMBF1, we analyzed its interaction with plant transcription factors of the homeodomain-leucine zipper (Hd-Zip) family, a group of proteins with a typical leucine zipper motif adjacent to a homeodomain. StMBFl is able to interact in vitro with the Hd-Zip protein Hahb-4 both in the presence and absence of DNA. Upon binding, StMBFl increases the DNA binding affinity of Hahb-4, and of another plant homeodomain containing protein from the GL2/Hd-Zip IV famuly, HAHR-1. The biological role of interactions is discussed in this paper.
Netto, Arlindo Saran,Zanetti, Marcus Antonio,Claro, Gustavo Ribeiro Del,de Melo, Mariza Pires,Vilela, Flavio Garcia,Correa, Lisia Bertonha Asian Australasian Association of Animal Productio 2014 Animal Bioscience Vol.27 No.4
Twenty-eight Brangus cattle were used to determine the effect of copper and selenium supplementation on performance, feed efficiency, composition of fatty acids in Longissimus dorsi (LD) muscle, and cholesterol concentration in serum and in LD muscle and enzymes activities, reduced glutathione (GSH) and oxidized glutathione (GSSG). The treatments were: i) Control, without copper (Cu) and selenium (Se) supplementation; ii) Se, 2 mg Se/kg of dry matter such as sodium selenite; iii) Cu, 40 mg Cu/kg of dry matter such as copper sulfate; iv) Se/Cu, 2 mg Se/kg of dry matter such as sodium selenite and 40 mg Cu/kg of dry matter such as copper sulfate. LD muscle fatty acid composition was not influenced by the treatments (p>0.05). The serum concentration of cholesterol was not influenced by the treatments (p>0.05), however, the concentration of cholesterol in LD was lower in cattle supplemented with copper and selenium (p<0.05). Oxidized glutathione and reduced glutathione increased (p<0.05) with Cu, Se and Se/Cu supplementation. The supplementation of copper (40 mg/kg DM) and selenium (2 mg/kg DM) altered the metabolism of lipids in confined Brangus cattle, through a decrease in cholesterol deposition in the LD, possibly by changing the ratio between reduced glutathione/oxidized glutathione. Copper and selenium supplementation improved animal performance and feed efficiency (p<0.05) when compared to the control group, providing advantages in the production system, while also benefiting consumers by reducing cholesterol concentration in the meat.
Netto, Arlindo Saran,Zanetti, Marcus Antonio,Correa, Lisia Bertonha,Del Claro, Gustavo Ribeiro,Salles, Marcia Saladini Vieira,Vilela, Flavio Garcia Asian Australasian Association of Animal Productio 2014 Animal Bioscience Vol.27 No.8
Thirty-two lambs were distributed in eight treatments under $2{\times}2{\times}2$ factorial experiment to compare the effects of two levels of selenium (0.2 to 5 mg/kg dry matter [DM]), sulphur (0.25% and 0.37%) and copper (8 and 25 mg/kg DM) levels on selenium concentration in liver and serum of lambs. A liver biopsy was done on all animals and blood samples were collected from the jugular vein prior to the beginning of the treatments. The blood was sampled every thirty days and the liver was sampled after 90 days, at the slaughter. Increasing differences were noticed during the data collection period for the serum selenium concentration, and it was found to be 0.667 mg/L in animals fed with 5 mg Se/kg DM and normal sulphur and copper concentrations in their diet. However, a three-way interaction and a reduction of selenium concentration to 0.483 mg/L was verified when increasing copper and sulphur concentration levels to 25 ppm and 0.37% respectively. The liver selenium concentration was also high for diets containing higher selenium concentrations, but the antagonist effect with the increased copper and sulphur levels remained, due to interactions between these minerals. Therefore, for regions where selenium is scarce, increasing its concentration in animal diets can be an interesting option. For regions with higher levels of selenium, the antagonistic effect of interaction between these three minerals should be used by increasing copper and sulphur dietary concentrations, thus preventing possible selenium poisoning.
Arce, Debora Pamela,Tonon, Claudia,Zanetti, Maria Eugenia,Godoy, Andrea Veronica,Hirose, Susumu,Casalongue, Claudia Anahi Korean Society for Biochemistry and Molecular Biol 2006 Journal of biochemistry and molecular biology Vol.39 No.4
To gain a better understanding on the function of the potato Solanum tuberosum Multiprotein Bridging Factor 1 protein (StMBF1) its interaction with the TATA box binding protein (TBP) was demonstrated. In addition we reported that StMBF1 rescues the yeast mbf1 mutant phenotype, indicating its role as a plant co-activator. These data reinforce the hypothesis that MBF1 function is also conserved among non closely related plant species. In addition, measurement of StMBF1 protein level by Western blot using anti-StMBF1 antibodies indicated that the protein level increased upon $H_2O_2$ and heat shock treatments. However, the potato $\beta$-1,3-glucanase protein level was not changed under the same experimental conditions. These data indicate that StMBF1 participates in the cell stress response against oxidative stress allowing us to suggest that MBF1 genes from different plant groups may share similar functions.
Camila Menossi Sueza Lima,Camila Zanetti Segatto,Gustavo Ricci Zanelli,Gabriel Montoro Nicácio,Renata Navarro Cassu 사단법인약침학회 2022 Journal of Acupuncture & Meridian Studies Vol.15 No.4
Background: Pharmacopuncture is an acupuncture-related technique that has been used to amplify the therapeutic effects of different medications. Objectives: To investigate the analgesic efficacy of a lidocaine injection at acupoints in cats undergoing ovariohysterectomy. Methods: Thirty cats were randomly distributed into two groups (n = 15, per group). The experimental group received a bilateral administration of lidocaine at the following acupoints: Stomach 36 (ST-36) and Spleen 6 (SP-6) (Lido group). The control group did not receive lidocaine (Control group). All cats were sedated with dexmedetomidine and anesthesia was induced with propofol and maintained with isoflurane. Intraoperatively, fentanyl was given to control cardiovascular responses to surgical stimulation. Postoperative pain was assessed at various time points, up to 24 hours after extubation, using the UNESP-Botucatu multidimensional composite pain scale (MCPS) and Glasgow feline composite measure pain scale (CMPS-Feline). Sedation scores were measured at the same time points. Morphine/meloxicam was administered as rescue analgesia. Data were analyzed using t-tests, Fisher´s exact test, the Mann-Whitney test, and the Friedman test (p < 0.05). Results: Intraoperatively, more cats in the Control group required analgesic supplementation than those in the Lido group, but the difference was not significant (p = 0.65). Postoperative pain, sedation scores, and analgesic requirements did not differ between groups. Rescue analgesia was given to 67% (10/15) of the cats in each group. Conclusion: The administration of lidocaine at ST-36 and SP-6 acupuncture points did not provide significant perioperative analgesic benefits in healthy cats undergoing ovariohysterectomy.
Zaira Rosa Guterres,Thalita Alves Zanetti,Tiago Felipe Sennes-Lopes,Ana Francisca Gomes da Silva 한국식품영양과학회 2015 Journal of medicinal food Vol.18 No.10
Momordica charantia, popularly known as bitter melon, is a plant widely used in ethnobotanical medicine. It has antibacterial, antifungal, anthelmintic, antidiabetic, antiviral, and antimalarial activities, among others. The goal of this study was to evaluate the genotoxic and/or antigenotoxic activity of the aqueous extracts obtained from the aerial parts and fruit of this plant by means of the Drosophila melanogaster wing spot test. Third-stage larvae that obtained standard (ST) cross and high bioactivation (HB) cross were treated with aqueous extracts of the aerial parts (IQA) and fruit (IQF) of M. charantia, following two protocols (genotoxicity and antigenotoxicity). The aqueous extracts are not genotoxic in lower concentrations. The frequencies of mutant spots observed in the descendants of the ST and HB crosses treated with doxorubicin (DXR) alone were 8.65 and 9.25, respectively, whereas in those cotreated with IQA and DXR, the frequencies ranged from 15.90 to 29 in the ST cross and from 15.05 to 24.78 in the HB cross. In cotreatment with IQF, the frequencies ranged from 30.10 to 30.65 in the ST cross and from 13.60 to 14.50 in the HB cross, whereas the frequencies obtained with DXR were 32.50 in the ST cross and 26.00 in the HB cross. In conclusion, the IQA has a synergistic effect, enhancing the genotoxicity of DXR in the ST cross and the HB cross, whereas the IQF has antigenotoxic effects in the HB cross.