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Herbster CJL, Oliveira AP, Brito Neto AS, Justino ES, Teixeira IAMA, Azevedo JAG, Santos SA, Silva LP, Marcondes MI, Oliveira RL, Bezerra LR, Pereira ES. Understanding the effect of sex on energy requirements of hair sheep. Animal 2024; 18:101071. [PMID: 38262856 DOI: 10.1016/j.animal.2023.101071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 01/25/2024] Open
Abstract
Differences and/or similarities in the influence of sex class for hair sheep requirements remain inconclusive. Knowledge of energy requirements allows well-formulated diets to be provided which is crucial for improving animal production. We aimed to determine the effect of sex class on the net energy requirements of growing hair sheep in a multi-study approach. We used a data set composed of individual measurements of 382 hair sheep (299 non-castrated and 83 castrated males) from 11 studies that used the methodology of comparative slaughter. Net energy requirements for maintenance (NEm) were obtained by the regression between heat production and metabolizable energy intake. The metabolizable energy requirements for maintenance (MEm) were calculated by the iterative method, and the efficiency of use of metabolizable energy for maintenance (km) was obtained by NEm divided by MEm. The net energy requirements for gain (NEg) were estimated from retained energy (RE) against empty BW gain (EBWG). The efficiency of energy use for weight gain (kg) was obtained from the relationship between RE and the energy metabolizable intake for gain, removing the intercept. There was an effect of sex on NEg and two equations were generated: NEg (MJ/day) = 1.040 (±0.04055) × EBW0.75 × EBWG0.8767(±0.03293) and NEg (MJ/day) = 1.040 (±0.04055) × EBW0.75 × EBWG0.8300(±0.03468) (R2 = 0.86; MSE = 0.0037; AIC = -468.0) for non-castrated and castrated males, respectively. Sex class did not affect kg (P > 0.05) and one kg was generated (0.29). Sex did not affect kprotein (P = 0.14) and kfat (P = 0.32), assuming an average deposition efficiency of 0.27 for protein and 0.78 for fat. The NEm and MEm did not differ (P > 0.05) between sex classes, with a value of 0.272 and 0.427 MJ/kg0.75 EBW per day, respectively. The km observed was 0.64. In conclusion, non-castrated and castrated male hair sheep have similar maintenance energy requirements although energy requirements for gain differed among them. The Committees overestimate the gain and maintenance requirements for hair sheep. Therefore, the equations generated in this study are recommended.
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Affiliation(s)
- C J L Herbster
- Department of Animal Science, Federal University of Ceara, Mister Hull Avenue, 60356000 Fortaleza, Ceara, Brazil
| | - A P Oliveira
- Department of Animal Science, Federal University of Ceara, Mister Hull Avenue, 60356000 Fortaleza, Ceara, Brazil
| | - A S Brito Neto
- Department of Animal Science, Federal University of Ceara, Mister Hull Avenue, 60356000 Fortaleza, Ceara, Brazil
| | - E S Justino
- Department of Animal Science, Federal University of Ceara, Mister Hull Avenue, 60356000 Fortaleza, Ceara, Brazil
| | - I A M A Teixeira
- Department of Animal, Veterinary and Food Sciences, University of Idaho, 315 Falls Avenue, 83303-1827 Twin Falls, ID, USA
| | - J A G Azevedo
- Department of Agricultural and Environmental Science, Universidade Estadual de Santa Cruz, Jorge Amado Highway, 45662900 Ilheus, Bahia, Brazil
| | - S A Santos
- School of Veterinary Medicine and Animal Science, Federal University of Bahia, 500 Ademar de Barros Avenue, 41170110 Salvador, Bahia, Brazil
| | - L P Silva
- Department of Animal Science, Federal University of Ceara, Mister Hull Avenue, 60356000 Fortaleza, Ceara, Brazil
| | - M I Marcondes
- Department of Animal Science, Washington State University, 116 Clark Hall, 99164 Pullman, WA, USA
| | - R L Oliveira
- School of Veterinary Medicine and Animal Science, Federal University of Bahia, 500 Ademar de Barros Avenue, 41170110 Salvador, Bahia, Brazil
| | - L R Bezerra
- Center of Health and Agricultural Technology, Federal University of Campina Grande, Universitária Avenue, 58708110 Patos, Paraiba, Brazil
| | - E S Pereira
- Department of Animal Science, Federal University of Ceara, Mister Hull Avenue, 60356000 Fortaleza, Ceara, Brazil.
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Freitas ER, Costa HS, Nepomuceno RC, Silva LP, Aguiar GC, Lima PJDO, Watanabe PH, Nascimento GAJ, Gomes TR. Bone Growth and Meat Quality of Quails Submitted to Different Lighting Programs. Braz J Poult Sci 2023. [DOI: 10.1590/1806-9061-2022-1701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Affiliation(s)
| | - HS Costa
- Federal University of Ceará, Brazil
| | | | - LP Silva
- Federal University of Ceará, Brazil
| | | | | | | | | | - TR Gomes
- Federal University of Roraima, Brazil
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Segundo NASN, Sousa ACR, Pordeus IMF, Acioli RVM, Figueiredo SDFA, Rolo CMF, Silva LP. CAUSA RARA DE ANEMIA MACROCÍTICA E NEUTROPENIA: RELATO DE CASO. Hematol Transfus Cell Ther 2021. [DOI: 10.1016/j.htct.2021.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Segundo NASN, Sousa ACR, Pordeus IMF, Silva LP, Acioli RVM, Figueiredo SDFA, Rolo CMF, Paz AR. APRESENTAÇÃO RARA DE LINFOMA T ANAPLÁSICO ASSOCIADO A IMPLANTE MAMÁRIO: RELATO DE CASO. Hematol Transfus Cell Ther 2021. [DOI: 10.1016/j.htct.2021.10.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Ueda EYK, Busnardo RG, Tavares LRS, Magalhães ES, Silva LP, Franco EDSL, Gobato LM. AVALIAÇÃO DE CONHECIMENTOS GERAIS DA HEMOFILIA ENTRE OS ESTUDANTES DE MEDICINA, RIO DE JANEIRO. Hematol Transfus Cell Ther 2021. [DOI: 10.1016/j.htct.2021.10.374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Herbster CJL, Silva LP, Marcondes MI, Garcia IFF, Oliveira RL, Cabral LS, Souza JG, Pereira ES. Weight adjustment equation for hair sheep raised in warm conditions. Animal 2020; 14:1718-1723. [PMID: 32148215 DOI: 10.1017/s1751731120000294] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
To estimate the nutritional requirements of hair sheep, knowledge about the animal's weight and its relationships with growth performances is essential. A study was carried with the objective to establish the relationships between BW, fasting BW (FBW), empty BW (EBW), average daily gain (ADG) and empty BW gain (EBWG) for hair sheep in growing and finishing phases in Brazilian conditions. Databases were obtained from 32 studies, for a total of 1145 observations; there were 3 sex classes (non-castrated male, castrated male and female) and 2 feeding systems (pasture and feedlot). The most representative breeds in the database were Santa Ines (n = 473), Morada Nova (n = 70) and Brazilian Somali (n = 47). The other animals in the database were crossbreeds (n = 555). The FBW (kg), EBW and EBWG (kg/day) were estimated according to linear regression. A random coefficient model was adopted, considering the study as a random effect and including the possibility of covariance between the slope and the intercept. The coefficients obtained from the linear regression of the FBW against the BW, EBW against the FBW and EBWG against the ADG did not differ between sex class (P > 0.05) and genotype (P > 0.05). The equations generated to estimate FBW from the BW, EBW from the FBW and EBWG from the ADG are as follows: FBW = -0.5470 (±0.2025) + 0.9313(±0.019) × BW, EBW = -1.4944 (±0.3639) + 0.8816 (±0.018) × FBW and EBWG = 0.906 (±0.019) × ADG, respectively. The low mean squared error values found in the cross-validation confirmed the reliability of these equations. Considering a sheep with a BW of 30 kg and a 100 g ADG, the estimated FBW, EBW and EBWG calculated using the generated equations are 27, 22.65 and 0.090 kg, respectively. In conclusion, the generated equations can be used in growing hair sheep. The validation procedure applied to the generated equations showed that its use for hair sheep seems to be appropriate.
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Affiliation(s)
- C J L Herbster
- Animal Science Department, Federal University of Ceara, 2977, Mister Hull Avenue, Fortaleza60356000, Ceara, Brazil
| | - L P Silva
- Animal Science Department, Federal University of Ceara, 2977, Mister Hull Avenue, Fortaleza60356000, Ceara, Brazil
| | - M I Marcondes
- Animal Science Department, Federal University of Viçosa, P.H. Rolfs Avenue, Viçosa36575000, Minas Gerais, Brazil
| | - I F F Garcia
- Animal Science Department, Federal University of Lavras, Lavras37200000, Minas Gerais, Brazil
| | - R L Oliveira
- Department of Veterinary Medicine and Animal Science, Federal University of Bahia, 500 Adhemar de Barros Avenue, Salvador40170110, Bahia, Brazil
| | - L S Cabral
- Animal Science Department, Federal University of Mato Grosso, 2367, Fernando Correia da Costa Avenue, Cuiaba780609000, Mato Grosso, Brazil
| | - J G Souza
- Animal Science Department, Federal University of Ceara, 2977, Mister Hull Avenue, Fortaleza60356000, Ceara, Brazil
| | - E S Pereira
- Animal Science Department, Federal University of Ceara, 2977, Mister Hull Avenue, Fortaleza60356000, Ceara, Brazil
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Gabiatti CTB, Martins MCL, Miyazaki DL, Silva LP, Lascala F, Macedo LT, Mendes MCS, Carvalheira JBC. Myosteatosis in a systemic inflammation-dependent manner predicts favorable survival outcomes in locally advanced esophageal cancer. Cancer Med 2019; 8:6967-6976. [PMID: 31571402 PMCID: PMC6853837 DOI: 10.1002/cam4.2593] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 09/08/2019] [Accepted: 09/15/2019] [Indexed: 02/05/2023] Open
Abstract
Increased adiposity and its attendant metabolic features as well as systemic inflammation have been associated with prognosis in locally advanced esophageal cancer (LAEC). However, whether myosteatosis and its combination with systemic inflammatory markers are associated with prognosis of esophageal cancer is unknown. Our study aimed to investigate the influence of myosteatosis and its association with systemic inflammation on progression-free survival (PFS) and overall survival (OS) in LAEC patients treated with definitive chemoradiotherapy (dCRT). We retrospectively gathered information on 123 patients with LAEC submitted to dCRT at the University of Campinas Hospital. Computed tomography (CT) images at the level of L3 were analyzed to assess muscularity and adiposity. Systemic inflammation was mainly measured by calculating the neutrophil-to-lymphocyte ratio (NLR). Median PFS for patients with myosteatosis (n = 72) was 11.0 months vs 4.0 months for patients without myosteatosis (n = 51) (hazard ratio [HR]: 0.53; 95% confidence interval [CI], 0.34-0.83; P = .005). Myosteatosis was also independently associated with a favorable OS. Systemic inflammation (NLR > 2.8) was associated with a worse prognosis. The combination of myosteatosis with systemic inflammation revealed that the subgroup of patients with myosteatosis and without inflammation presented less than half the risk of disease progression (HR: 0.47; 95% CI: 0.26-0.85; P = .013) and death (HR: 0.39; 95% CI, 0.21-0.72; P = .003) compared with patients with inflammation. This study demonstrated that myosteatosis without systemic inflammation was independently associated with favorable PFS and OS in LAEC patients treated with dCRT.
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Affiliation(s)
- Camila T. B. Gabiatti
- Division of OncologyDepartment of Internal MedicineFaculty of Medical SciencesState University of Campinas (UNICAMP)CampinasSPBrazil
| | - Mariane C. L. Martins
- Division of OncologyDepartment of Internal MedicineFaculty of Medical SciencesState University of Campinas (UNICAMP)CampinasSPBrazil
| | - Daniela L. Miyazaki
- Division of OncologyDepartment of Internal MedicineFaculty of Medical SciencesState University of Campinas (UNICAMP)CampinasSPBrazil
| | - Leandro P. Silva
- Division of OncologyDepartment of Internal MedicineFaculty of Medical SciencesState University of Campinas (UNICAMP)CampinasSPBrazil
| | - Fabiana Lascala
- Division of OncologyDepartment of Internal MedicineFaculty of Medical SciencesState University of Campinas (UNICAMP)CampinasSPBrazil
| | - Ligia T. Macedo
- Division of OncologyDepartment of Internal MedicineFaculty of Medical SciencesState University of Campinas (UNICAMP)CampinasSPBrazil
| | - Maria Carolina Santos Mendes
- Division of OncologyDepartment of Internal MedicineFaculty of Medical SciencesState University of Campinas (UNICAMP)CampinasSPBrazil
| | - José Barreto Campello Carvalheira
- Division of OncologyDepartment of Internal MedicineFaculty of Medical SciencesState University of Campinas (UNICAMP)CampinasSPBrazil
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Martins MC, Miyazaki DL, Gabiatti CC, Silva LP, Macedo LT, Siqueira NS, Andreollo NA, Carvalheira JB. Chagasic Megaesophagus-Associated Carcinoma: Clinical Pattern and Outcomes. J Glob Oncol 2019; 5:1-5. [PMID: 31393754 PMCID: PMC6733205 DOI: 10.1200/jgo.19.00143] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
PURPOSE Approximately 4% to 10% of patients diagnosed with Chagas-induced megaesophagus disease develop esophageal carcinoma. However, the natural history and clinical pattern of this entity are not well described. METHODS Herein, we retrospectively analyzed 593 patients with esophageal carcinoma treated at a single Brazilian institution. We identified 32 patients with Chagas disease, of whom 11 had megaesophagus. The epidemiologic profile and oncological treatment outcomes were evaluated. RESULTS Although baseline characteristics were similar among the three groups, patients with Chagas megaesophagus-associated carcinoma (CMAC) presented with a lower rate of smoking. This factor reinforced the concept that achalasia is the predominant risk factor for cancer development. The CMAC group had a higher rate of tumor in situ (two of 11 patients) compared with the other groups. These patients were treated with endoscopic resection, and no recurrence was detected. Eight of 11 patients with CMAC were diagnosed with locally advanced disease. Patients with locally advanced CMAC presented with a median progression-free survival of 7.8 months and a median overall survival of 9.1 months. CONCLUSION If CMAC is not promptly detected, it has a dismal prognosis, indicating that a high index of suspicion of esophageal carcinoma is required for patients with Chagasic megaesophagus. Additional studies are needed to improve the surveillance and treatment approaches for this neglected disease.
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Affiliation(s)
| | | | | | | | | | | | | | - José B.C. Carvalheira
- State University of Campinas, Campinas, Brazil
- José B.C. Carvalheira, Department of Internal Medicine, FCM-State University of Campinas (UNICAMP)-MA: 13083-970, Campinas, SP, Brazil; e-mail:
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9
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Mantovani LF, Santos FPS, Perini GF, Nascimento CMB, Silva LP, Wroclawski CK, Esposito BP, Ribeiro MSS, Velloso EDRP, Nomura CH, Kay FU, Baroni RH, Hamerschlak N, Schuster S. Hepatic and cardiac and iron overload detected by T2* magnetic resonance (MRI) in patients with myelodisplastic syndrome: A cross-sectional study. Leuk Res 2018; 76:53-57. [PMID: 30572266 DOI: 10.1016/j.leukres.2018.12.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 11/17/2018] [Accepted: 12/03/2018] [Indexed: 01/17/2023]
Abstract
INTRODUCTION Transfusion-dependent anemia and iron overload are associatedwith reduced survival in myelodysplastic syndrome (MDS). This cross-sectional study aimed to evaluate the prevalence of hepatic and cardiac overload in patients with MDS as measured by T2* magnetic resonance imaging (MRI), and its correlation with survival. METHODS MDS or chronic myelomonocytic leukemia patients had iron overload evaluated by T2* MRI. HIO was considered when hepatic iron concentration ≥ 2 g/mg. Cardiac iron overload was considered with a T2*-value < 20 ms. RESULTS Among 71 patients analyzed, median hepatic iron concentration was 3.9 g/mg (range 0.9-16 g/mg), and 68%of patients had hepatic iron overload. Patients with hepatic iron overload had higher mean ferritin levels (1182 ng/mL versus 185 ng/mL, p < 0.0001), transferrin saturation (76% versus 34%, p < 0.0001) and lower survival rates. Median cardiac T2*value was 42 ms (range 19.7-70.1 ms), and only one patienthad a T2* value indicative of cardiac iron overload. CONCLUSIONS Hepatic iron overload is found in two thirds of patients, even in cases without laboratory signs of iron overload. Hepatic iron overload by T2* MRI is associated with a decreased risk of survival in patients with MDS.
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Affiliation(s)
- L F Mantovani
- Hematology and Bone Marrow Transplantation Department, Hospital Israelita Albert Einstein, São Paulo, Brazil
| | - F P S Santos
- Hematology and Bone Marrow Transplantation Department, Hospital Israelita Albert Einstein, São Paulo, Brazil
| | - G F Perini
- Oncology Department, Hospital Israelita Albert Einstein, São Paulo, Brazil
| | - C M B Nascimento
- Oncology Department, Hospital Israelita Albert Einstein, São Paulo, Brazil
| | - L P Silva
- Bone Marrow Transplantation Center, Hospital São Camilo, São Paulo, Brazil
| | - C K Wroclawski
- Hematology Department, Hospital Sírio-Libanês, São Paulo, Brazil
| | - B P Esposito
- Chemistry Institute, Universidade de São Paulo (USP), São Paulo, Brazil
| | - M S S Ribeiro
- Instituto Paulista de Cancerologia, São Paulo, Brazil
| | - E D R P Velloso
- Hematology and Hemotherapy Discipline, Universidade de São Paulo (USP), São Paulo, Brazil
| | - C H Nomura
- Instituto do Coração, Faculdade de Medicina, Universidade de São Paulo (FMUSP), São Paulo, Brazil
| | - F U Kay
- UT Southwestern Medical Center, Dallas, TX, United States
| | - R H Baroni
- Diagnostic Imaging Department, Hospital Israelita Albert Einstein, São Paulo, Brazil
| | - N Hamerschlak
- Hematology and Bone Marrow Transplantation Department, Hospital Israelita Albert Einstein, São Paulo, Brazil.
| | - S Schuster
- Hematology Department, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
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Aguiar GC, Freitas ER, Watanabe PH, Figueiredo CWS, Silva LP, Nascimento GAJ, Lima RC, Nepomuceno RC, Sá NL. Lighting programs for male and female meat quails (Coturnix coturnix) raised in equatorial region. Poult Sci 2017; 96:3122-3127. [PMID: 28541573 DOI: 10.3382/ps/pex103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 03/22/2017] [Indexed: 11/20/2022] Open
Abstract
The aim of the present study was to evaluate the effect of lighting programs for male and female meat quails raised in an equatorial region on performance and carcass traits. A total of 1,500 sexed quails (Coturnix coturnix) was distributed in a completely randomized design in a 2 × 3 factorial arrangement, with 2 sexes (male and female) and 3 lighting programs (natural, intermittent, and continuous) with 5 replicates of 50 birds. The lighting programs were applied in the period from 7 to 49 d of age, being natural (12 h and 30 min of natural light and 11 h and 30 min of dark), intermittent (12 h and 30 min of natural light and 5 h and 30 min of artificial light, alternating lighting periods with one h and 06 min and periods of darkness with one h and 12 min), and continuous (23 h of natural + artificial light and one h of dark). Regardless of lighting program, female quails were heavier than males, and birds subjected to natural light weighed less than those exposed to continuous and intermittent lighting programs. Quails exposed to intermittent and continuous light presented higher weight gain and feed intake, and worse feed conversion ratio compared to birds under a natural light regimen. It is concluded that in an equatorial region, it is possible to use a lighting program with only natural light for raising male and female meat quails from 7 to 49 d of age.
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Affiliation(s)
- G C Aguiar
- Department of Animal Science, Federal University of Ceará, Campus Pici, Fortaleza, Ceará, Brazil
| | - E R Freitas
- Department of Animal Science, Federal University of Ceará, Campus Pici, Fortaleza, Ceará, Brazil
| | - P H Watanabe
- Department of Animal Science, Federal University of Ceará, Campus Pici, Fortaleza, Ceará, Brazil.
| | - C W S Figueiredo
- Department of Animal Science, Federal University of Ceará, Campus Pici, Fortaleza, Ceará, Brazil
| | - L P Silva
- Department of Animal Science, Federal University of Ceará, Campus Pici, Fortaleza, Ceará, Brazil
| | - G A J Nascimento
- Department of Animal Science, Federal University of Ceará, Campus Pici, Fortaleza, Ceará, Brazil
| | - R C Lima
- Federal Rural University of Amazonia, Campus Parauapebas, Parauapebas, Pará, Brazil
| | - R C Nepomuceno
- Department of Animal Science, Federal University of Ceará, Campus Pici, Fortaleza, Ceará, Brazil
| | - N L Sá
- Department of Animal Science, Federal University of Ceará, Campus Pici, Fortaleza, Ceará, Brazil
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Klein DR, Vale MM, Silva LP, Santos JPA, Branco T, Fernandes MO. Bioimpedance as a Non-Invasive Method to Evaluate Eggs and Poultry. Rev Bras Cienc Avic 2016. [DOI: 10.1590/1806-9061-2015-0087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- DR Klein
- Federal University of Santa Maria, Brazil
| | - MM Vale
- Federal University of Paraná, Brazil
| | - LP Silva
- Federal University of Santa Maria, Brazil
| | - JPA Santos
- Federal University of Santa Maria, Brazil
| | - T Branco
- Federal University of Santa Maria, Brazil
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12
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Damasceno KA, Ferreira E, Estrela-Lima A, Bosco Y, Silva LP, Barros ALB, Bertagnolli AC, Cassali GD. Relationship between the expression of versican and EGFR, HER-2, HER-3 and CD44 in matrix-producing tumours in the canine mammary gland. Histol Histopathol 2015; 31:675-88. [PMID: 26666308 DOI: 10.14670/hh-11-705] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Versican is an extracellular matrix proteoglycan that has been identified as a modulator of adhesion loss, cell motility, and tumour progression. This motility results from the interaction between versican and cell surface receptors. Studies have also demonstrated the relationship between this molecule and invasion in canine mammary tumours. Given the evidence for the participation of proteoglycans in tumour progression, this study aimed to assess versican expression and its association with cell surface receptors; human epidermal growth factor receptors 1, 2, and 3 (EGFR, HER-2, and HER-3) and CD44 through an immunohistochemical analysis of benign mixed tumours (BMTs), carcinomas in mixed tumours (CMTs), and carcinosarcomas (CSs) of the canine mammary gland. Malignant tumours were divided into low and high groups with respect to versican stromal expression. The results indicated that the BMTs showed weak stromal versican expression and correlations between the expression of stromal versican and EGFR in the epithelial membrane in benign areas (p=0.013, r=0.571). A higher stromal versican expression was observed adjacent to invasive epithelial areas compared with in situ areas in CMTs and CSs, suggesting a direct relationship between versican expression and invasiveness. Furthermore, the CSs exhibited a higher expression of HER-2, cytoplasmic HER-3, and CD44 in epithelial invasive cells in cases of higher stromal versican expression. Therefore, the cell surface receptors (HER-2, HER-3, and CD44) are more evident in CSs that overexpress versican in stroma adjacent to the invasive areas. These findings suggest that the association between these molecules may be directly related to the biological behaviour and invasiveness of these canine mammary tumours.
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Affiliation(s)
- K A Damasceno
- Department of General Pathology, Biological Sciences Institute, Universidade Federal de Minas Gerais, Belo Horizonte, MG and Laboratory of Experimental Pathology, Gonçalo Moniz Research Center, Fundação Oswaldo Cruz, Salvador, BA, Brazil
| | - E Ferreira
- Department of General Pathology, Biological Sciences Institute, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - A Estrela-Lima
- Department of Pathology and Clinics, School of Veterinary Medicine and Zootechny, Universidade Federal da Bahia, Salvador, BA, Brazil
| | - Y Bosco
- Department of General Pathology, Biological Sciences Institute, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - L P Silva
- Department of Pathology and Clinics, School of Veterinary Medicine and Zootechny, Universidade Federal da Bahia, Salvador, BA, Brazil
| | - A L B Barros
- Department of Clinical and Toxicological Analyses, School of Pharmacy, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - A C Bertagnolli
- Fepagro Animal Health, Instituto de Pesquisa Veterinária Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - G D Cassali
- Department of General Pathology, Biological Sciences Institute, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
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13
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Silva FG, Torres RA, Silva LP, Ventura HT, Silva FF, Carneiro APS, Nascimento M, Rodrigues MT. Genetic evaluation of milk yield in Alpine goats for the first four lactations using random regression models. Genet Mol Res 2014; 13:10943-51. [PMID: 25526215 DOI: 10.4238/2014.december.19.16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Random regression models have been used in evaluating test-day milk yield, providing accurate estimates of genetic values in animals. However, herd evaluation with only information from the first lactation may not be the best option from an economic perspective. Other factors should be taken into account, particularly other lactations. Our objective in this study was to analyze the genetic divergence between the first four lactations of Alpine goats. The RENPED software was used to perform descriptive statistics, check for errors in pedigree, recode the data, and for Pearson's and Spearman's correlations. The WOMBAT software was used to estimate the variance components and predict the breeding values. The CALC software was adopted to calculate the percentage of coincidence between the ranking of the animals and the animals kept in common at each lactation evaluation. The results show that selection using only the first lactation in small herds with a low degree of technology can be employed as a palliative measure, in view of the difficulty in evaluating all lactations. However, the selection of breeding goats and the production of catalogues should not be based only on the first lactation, because the results demonstrate inversions in the classification of the best breeders when other lactations are analyzed.
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Affiliation(s)
- F G Silva
- Departamento de Zootecnia e Extensão Rural, Universidade Federal de Mato Grosso, Cuiabá, MT, Brasil
| | - R A Torres
- Departamento de Zootecnia, Universidade Federal de Viçosa, Viçosa, MG, Brasil
| | - L P Silva
- Departamento de Zootecnia, Universidade Federal de Viçosa, Viçosa, MG, Brasil
| | - H T Ventura
- Associação Brasileira dos Criadores de Zebuínos, Uberaba, MG, Brasil
| | - F F Silva
- Departamento de Zootecnia, Universidade Federal de Viçosa, Viçosa, MG, Brasil
| | - A P S Carneiro
- Departamento de Estatística, Universidade Federal de Viçosa, Viçosa, MG, Brasil
| | - M Nascimento
- Departamento de Estatística, Universidade Federal de Viçosa, Viçosa, MG, Brasil
| | - M T Rodrigues
- Departamento de Zootecnia, Universidade Federal de Viçosa, Viçosa, MG, Brasil
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14
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D'Agosto T, Peçanha T, Bartels R, Moreira DN, Silva LP, Nóbrega ACL, Lima JRP. Cardiac autonomic responses at onset of exercise: effects of aerobic fitness. Int J Sports Med 2014; 35:879-85. [PMID: 24920559 DOI: 10.1055/s-0034-1370911] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Analyzes of cardiac autonomic responses at the initial transient of exercise have been used for the investigation of the cardiovascular health. We evaluated the influence of aerobic fitness on HR and HRV responses at the onset of exercise. 25 male subjects (22.3±2.4 years) were divided into 2 groups: 'low aerobic fitness' (36.2±2.6ml.kg(-1).min(-1); n=10) and 'high aerobic fitness' (46.4±5.0ml.kg(-1).min(-1); n=15). The experimental session consisted of assessing the beat-to-beat HR at rest and during submaximal exercise. The autonomic responses at the onset of exercise were calculated by fitting the HR and HRV (rMSSD-index) curves during the initial 300s of exercise into a first-order exponential equation. The time constant of HR and of the rMSSD index (τonHR and τonrMSSD) were calculated for analysis. We observed lower values of τonrMSSD in the high aerobic fitness group compared to the low aerobic fitness group (26.8±5s vs. 38.0±18s, respectively; p=0.02). The τonHR (42.0±15 vs. 49.3±26s, p=0.38) for the groups showed no difference. Aerobic fitness partially influenced the autonomic responses during exercise, since individuals with higher fitness showed faster decreases in beat-to-beat HRV at the onset of exercise.
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Affiliation(s)
- T D'Agosto
- Laboratory of Motor Assessment, Faculty of Physical Education and Sports, Federal University of Juiz de Fora, Minas Gerais, Brazil
| | - T Peçanha
- Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, Sao Paulo, Brazil
| | - R Bartels
- Biomedical Engineering Program (COPPE), Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - D N Moreira
- Laboratory of Motor Assessment, Faculty of Physical Education and Sports, Federal University of Juiz de Fora, Minas Gerais, Brazil
| | - L P Silva
- Faculty of Physiotherapy, Federal University of Juiz de Fora, Minas Gerais, Brazil
| | - A C L Nóbrega
- Laboratory of Exercise Sciences - LACE, Graduate Program in Cardiovascular Sciences, Department of Physiology and Pharmacology, Fluminense Federal University, Rio de Janeiro, Brazil
| | - J R P Lima
- Laboratory of Motor Assessment, Faculty of Physical Education and Sports, Federal University of Juiz de Fora, Minas Gerais, Brazil
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15
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Mota RR, Lopes PS, Marques LFA, Silva LP, Conceição Pessoa M, Almeida Torres R, Resende MDV. Influence of animals obtained using embryo transfer on the genetic evaluation of growth in Simmental beef cattle with random regression models. Genet Mol Res 2013; 12:5889-904. [PMID: 24301959 DOI: 10.4238/2013.november.22.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Weight records of Simmental beef cattle were used in a genetic evaluation of growth with and without embryo transfer (ET). A random regression model in which ET individuals were excluded (RRM1) contained 29,510 records from 10,659 animals, while another model that did not exclude these animals (RRM2) contained 62,895 records from 23,160 animals. The fixed and random regressions were represented by continuous functions, and a model with an order of three for the fixed curve and random effects was used to consider the homogeneity of residual variance. In general, the (co)variance components were similar in both models, except the maternal permanent environment and residual components. The direct heritability in RRM1 and RRM2 showed the same behavior with oscillations along the growth curve and were slightly higher in RRM1. Generally, the estimated correlations were the same and smaller as the ages distanced themselves. The inclusion of animals from ET in genetic evaluations can be done using random regression models; the inclusion of these animals would provide potential accuracy gains and greater genetic gains per unit time because of the reduction in the generation interval from the use of this reproductive technique.
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Affiliation(s)
- R R Mota
- Departamento de Zootecnia, Universidade Federal de Viçosa/INCT Ciência Animal, Viçosa, MG, Brasil
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16
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Peçanha T, Prodel E, Bartels R, Nasario-Junior O, Paula RB, Silva LP, Laterza MC, Lima JRP. 24-h cardiac autonomic profile after exercise in sedentary subjects. Int J Sports Med 2013; 35:245-52. [PMID: 23913158 DOI: 10.1055/s-0033-1349873] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Most studies regarding the impact of exercise intensity on cardiac autonomic regulation were conducted with athletes and used exercise intensities exceeding those recommended by position stands. We evaluated the influence of exercise intensity in a typical ACSM-aerobic session on 24-h cardiac autonomic modulation in sedentary subjects. Ten healthy sedentary subjects participated in the 3-day study. On 2 days, subjects performed a moderate- or high-intensity aerobic exercise session (MI, HI). The post-exercise protocol consisted of a continuous electrocardiographic recording for 1 h at the laboratory plus 23 h under ambulatory conditions. On the third day 24-h electrocardiographic recording was done without prior exercise (NPE). Heart rate (HR) and frequency-domain parameters (LF, HF) of heart rate variability were evaluated during the entire recovery period. Higher values of HR and lower values of HF and LF were observed throughout the first hour after the HI compared with the MI session. This difference was not observed after in ambulatory awake condition, but reappeared during sleep, when HF values after HI were lower compared with the NPE and MI (p<0.05). Even within the submaximal intensity-range of a typical exercise session, the intensity of exercise influences the post-exercise cardiac autonomic modulation in sedentary subjects.
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Affiliation(s)
- T Peçanha
- School of Physical Education and Sport, Exercise Hemodynamic -Laboratory, University of São Paulo, Brazil
| | - E Prodel
- Faculty of Physical Education and Sports, Federal University of Juiz de Fora, Brazil
| | - R Bartels
- Faculty of Physical Education and Sports, Federal University of Juiz de Fora, Brazil
| | - O Nasario-Junior
- Biomedical Engineering Program (COPPE), Federal University of Rio de Janeiro, Brazil
| | - R B Paula
- Interdisciplinary Nucleus for Studies and research in Nephrology, Federal University of Juiz de Fora, Brazil
| | - L P Silva
- Faculty of Physiotherapy, Federal University of Juiz de Fora, Brazil
| | - M C Laterza
- Cardiovascular Research Unit and Exercise Physiology, University Hospital and Faculty of Physical Education and Sports, Federal University of Juiz de Fora, Brazil
| | - J R P Lima
- Faculty of Physical Education and Sports, Federal University of Juiz de Fora, Brazil
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17
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Silva LP, Ribeiro JC, Leite CDS, Sousa MF, Bonafé CM, Caetano GC, Crispim AC, Torres RA. Evaluation of alternative schemes for recording body weights in meat-type quails by using random regression. Genet Mol Res 2013; 12:1533-9. [PMID: 23765959 DOI: 10.4238/2013.may.13.6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Data from 8759 meat-type quails from the UFV1 strain and 9128 from the UFV2 strain were used to assess the possibility of reducing the number of body weight records in genetic evaluations. The evaluated animals were weighed weekly since hatching to the 6th week of life, with up to 7 records of body weight for each bird. The data were evaluated by random regression models, with 9 alternative schemes of data recording, which included 4 records for each scheme and their covariance functions for additive and permanent environmental effects of order 3, fitting 4 intervals for residual variance, and a complete scheme, with 7 records, order of fit 6 for additive and permanent environmental effects and 7 intervals for residual variance. Estimates of heritability for body weight at the 6th week varied from 0.45 to 0.53 for the UFV1 strain and from 0.28 to 0.54 for UFV2 strain. The schemes that had more records in points at the final extreme of the age range showed better estimates, which was likely due to certain properties of polynomial regression that led to biased results in the final extreme of the age range when data are unbalanced. The reduction of the number of body weight records taken during the growth phase is feasible, with little change to breeding value estimates, when 4 body weight records are used in random regression models.
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Affiliation(s)
- L P Silva
- Departamento de Zootecnia, Universidade Federal de Viçosa, Viçosa, MG, Brasil
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18
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Drummond AL, Feitoza NC, Duarte GC, Sales MJA, Silva LP, Chaker JA, Bakuzis AF, Sousa MH. Reducing size-dispersion in one-pot aqueous synthesis of maghemite nanoparticles. J Nanosci Nanotechnol 2012; 12:8061-8066. [PMID: 23421179 DOI: 10.1166/jnn.2012.6614] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Nanosized maghemite-like particles with reduced size-distribution were obtained using a one-pot synthesis route in aqueous medium. Forced hydrolysis of iron ions in ammoniac solution led to the formation of magnetite nanoparticles that were oxidized to maghemite in a hydrothermal digestion step that reduced the polydispersity of nanograins. The prepared nanoparticles were characterized by chemical analysis, X-ray diffractometry, magnetization, Raman spectroscopy and transmission electron microscopy measurements. Data showed that 14 nm-sized particles with polydispersity of about 0.14 were produced and, differently from other procedures, neither additional steps nor toxic reagents were needed to reduce size-dispersion or to oxidize magnetite to maghemite. These facts per se turn such nanodevice into a good potential choice for biomedical applications.
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Affiliation(s)
- A L Drummond
- Universidade de Brasília, Instituto de Química, Caixa Postal 04478, Brasilia - DF, CEP 70910-000, Brazil
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19
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Lima TB, Silva ON, Oliveira JTA, Vasconcelos IM, Scalabrin FB, Rocha TL, Grossi-de-Sá MF, Silva LP, Guadagnin RV, Quirino BF, Castro CFS, Leonardecz E, Franco OL. Identification of E. dysenterica laxative peptide: a novel strategy in the treatment of chronic constipation and irritable bowel syndrome. Peptides 2010; 31:1426-33. [PMID: 20580653 DOI: 10.1016/j.peptides.2010.05.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2010] [Revised: 05/10/2010] [Accepted: 05/10/2010] [Indexed: 12/12/2022]
Abstract
Plants have contributed over the years to the discovery of various pharmacological products. Amongst the enormous diversity of herbs with remarkable medicinal use and further pharmacological potential, here in this report we evaluated pulp extracts from Eugenia dysenterica fruits and further identified the active principle involved in such laxative activity in rats. For protein isolation, fruits were macerated with an extraction solution following precipitation with (NH(4))(2)SO(4) (100%). After dialysis, the peptide was applied onto a reversed-phase semi-preparative HPLC column, and the major fraction was eluted with 26% and 66% acetonitrile. The evaluation of molecular masses by MALDI-TOF and Tris/Tricine SDS-PAGE of HPLC fractions showed the presence of a major peptide with approximately 7 kDa. The N-terminal amino acid peptide sequence was determined and showed no similarity to other proteins deposited in the Data Bank. Peptide from E. dysenterica was able to enhance rats' intestinal motility by approximately 20.8%, probably being responsible for laxative activity. Moreover, these proteins were non-toxic to mammals, as observed in histopathology and hemolytic analyses. In conclusion, results here reported indicate that, in the near future, proteins synthesized by E. dysenterica fruits could be utilized in the development of novel biotechnological pharmaceutics with laxative properties for use in chronic constipation and irritable bowel syndrome treatment.
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Affiliation(s)
- T B Lima
- Center for Proteomic and Biochemical Analyses, Post-Graduate Program in Genomic Sciences and Biotechnology, Catholic University of Brasilia, SGAN Quadra 916, Modulo B, Av. W5, 70.790-160 Brasília, DF, Brazil
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20
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Callegaro MGK, Milbradt BG, Diettrich T, Alves E, Duarte FA, Flores EMM, Dressler VL, Silva LP, Emanuelli T. Influence of cereal bran supplement on cadmium effects in growing rats. Hum Exp Toxicol 2009; 29:467-76. [PMID: 20019094 DOI: 10.1177/0960327109357777] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Strategies to diminish cadmium (Cd) absorption are highly desirable especially where Cd exposure due to environmental contamination is still inevitable. Cd toxicity may be influenced by dietary components, such as fiber and minerals. Multimixtures are low-cost cereal bran supplements used in Brazil and in other countries to counteract malnutrition in low-income populations. This study was aimed at evaluating whether multimixture would reduce Cd effects in young rats. Animals received a diet with or without the multimixture plus 0, 5, or 25 mg Cd/kg (control, Cd-5, and Cd-25 groups) during 30 days. The Cd-5 groups were similar to control groups in all parameters analyzed, except in the higher renal Cd concentration. However, the Cd-25 groups had lower biological growth parameters and renal delta-aminolevulinate dehydratase activity, besides higher renal Cd concentration and plasma alanine aminotransferase activity compared to the controls. The multimixture did not prevent Cd effects in the Cd-25 group, but caused a small reduction in renal Cd concentration in the Cd-5 group. Although this multimixture was ineffective to prevent Cd effects at the higher concentration, it seemed to reduce Cd accumulation at the lower Cd dietary concentration, which is similar to levels of human exposure in some polluted areas.
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Affiliation(s)
- M G K Callegaro
- Graduate Program in Toxicological Biochemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil.
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21
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Magalhães BS, Fiamoncini J, Deschamps FC, Curi R, Silva LP. Comparison of fatty acid composition in nine organs of the sympatric Antarctic teleost fish species Notothenia coriiceps and Notothenia rossii (Perciformes: Nototheniidae). Comp Biochem Physiol B Biochem Mol Biol 2009; 155:132-7. [PMID: 19883785 DOI: 10.1016/j.cbpb.2009.10.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2009] [Revised: 10/23/2009] [Accepted: 10/25/2009] [Indexed: 11/17/2022]
Abstract
Fatty acid (FA) composition of nine organs from two closely related Antarctic fish species, Notothenia coriiceps and Notothenia rossii, was determined through gas chromatography with flame ionization detection. A data set for each species was obtained using major FA profiles from specimens caught in the sea waters of Admiralty Bay during the summer season. The FA profiles for both species are overall similar, but organ peculiarities have been found, which could reflect metabolic specificities and feeding habits between species. With the exception of liver, the most abundant FA in organs was the n-3 polyunsaturated FA. The total n-6 polyunsaturated FAs were minor components in all evaluated organs. Palmitic acid was identified as the major saturated FA, whereas oleic acid was the most represented of the monounsaturated FA in almost all assessed organs of both species. The n-3/n-6 ratios of all organs were higher than 3.5. Differences in individual FA and FA metabolic profiles of some organs observed between N. coriiceps and N. rossii suggest specific requirements in the mobilization, transport, incorporation, and/or catabolism of lipids that were reinforced by differences on some FA ratios expressing the activity coefficient of enzymes implicated on the FA pathway flux.
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Affiliation(s)
- B S Magalhães
- Laboratório de Espectrometria de Massa, Núcleo Temático de Biotecnologia, Embrapa Recursos Genéticos e Biotecnologia, Brasília, DF, 70770-917, Brazil
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22
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Ommati LVM, Rodrigues CA, Silva AR, Silva LP, Chaufaille MLLF, Oliveira JSR. A retrospective comparison of cyclophosphamide plus antithymocyte globulin with cyclophosphamide plus busulfan as the conditioning regimen for severe aplastic anemia. Braz J Med Biol Res 2009; 42:244-50. [PMID: 19287903 DOI: 10.1590/s0100-879x2009000300005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2008] [Accepted: 01/05/2009] [Indexed: 11/22/2022] Open
Abstract
Allogeneic hematopoietic stem cell transplantation (AHSCT) is the treatment of choice for young patients with severe aplastic anemia (SAA). The association of antithymocyte globulin (ATG) and cyclophosphamide (CY) is the most frequently used conditioning regimen for this disease. We performed this retrospective study in order to compare the outcomes of HLA-matched sibling donor AHSCT in 41 patients with SAA receiving cyclophosphamide plus ATG (ATG-CY, N = 17) or cyclophosphamide plus busulfan (BU-CY, N = 24). The substitution of BU for ATG was motivated by the high cost of ATG. There were no differences in the clinical features between the two groups, including age, gender, cytomegalovirus status, ABO match, interval between diagnosis and transplant, and number of total nucleated cells infused. No differences were observed in the time to neutrophil and platelet engraftment, or in the risk of veno-occlusive disease and hemorrhage. However, there was a higher risk of mucositis in the BU-CY group (71 vs 24%, P = 0.004). There were no differences in the incidence of neutrophil and platelet engraftment, acute and chronic graft-versus-host disease, and transplant-related mortality. There was a higher incidence of late rejection in the ATG-CY group (41 vs 4%, P = 0.009). Although the ATG-CY group had a longer follow-up (101 months) than the BU-CY group (67 months, P = 0.04), overall survival was similar between the groups (69 vs 58%, respectively, P = 0.32). We conclude that the association BU-CY is a feasible option to the conventional ATG-CY regimen in this population.
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Affiliation(s)
- L V M Ommati
- Disciplina de Hematologia e Hemoterapia, Departamento de Oncologia Clínica e Experimental, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil
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23
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Camargo N, Santos SN, Silva JCQ, Alvarenga BF, Alexandre A, Silva LP, Sposito AC. I 008 Effect of Simvastatin Dose on Inflammation and Endothelial Function after Myocardial Infarction. ATHEROSCLEROSIS SUPP 2009. [DOI: 10.1016/s1567-5688(09)71762-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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24
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Brand GD, Krause FC, Silva LP, Leite JRSA, Melo JAT, Prates MV, Pesquero JB, Santos EL, Nakaie CR, Costa-Neto CM, Bloch C. Bradykinin-related peptides from Phyllomedusa hypochondrialis. Peptides 2006; 27:2137-46. [PMID: 16797783 DOI: 10.1016/j.peptides.2006.04.020] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2006] [Revised: 04/11/2006] [Accepted: 04/11/2006] [Indexed: 11/28/2022]
Abstract
Bradykinin related peptides (BRPs) present in the water-soluble secretion and freshly dissected skin fragments of Phyllomedusa hypochondrialis were investigated by mass spectrometry techniques. Eighteen BRPs, along with their post-translational modifications, were characterized in the secretion by de novo MS/MS sequencing and direct MALDI imaging experiments of the frog skin. These molecules revealed strong sequence similarities to the main plasma kinin of some mammals and reptiles. Such a diversity of molecules, within the same peptide family, belonging to a single amphibian species may be related to functional specializations of these peptides and a variety of corresponding receptors that might be present in a number of different predators. Also, a novel analog, [Val]1,[Thr]6-bradykinyl-Gln,Ser had its biological activity positively detected in cell culture expressing the human bradykinin B2 receptor and in guinea pig ileum preparations.
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Affiliation(s)
- G D Brand
- Laboratório de Espectrometria de Massa, EMBRAPA, Recursos Genéticos e Biotecnologia, Brasília, DF 70770-900, Brazil
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25
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Abstract
AIM To compare the effects of 2% chlorhexidine (CHX) and 5.25% sodium hypochlorite (NaOCl) on gutta-percha (GP) cone structure using atomic force microscopy (AFM). METHODOLOGY Two standardized GP cones were sectioned 3 mm from the tip, attached to a glass base and immersed in 2% CHX or 5.25% NaOCl for 1, 5, 10, 20 and 30 min. Untreated GP cones were used as control. Topography and elasticity analyses were performed on 12 different regions located between 1 and 2 mm from the tip. Root mean square (RMS) parameters for contact mode imaging and force modulation microscopy variations were measured. The differences between RMS values were tested by anova with Fisher's protected LSD test for multiple comparisons. RESULTS There was no deterioration in the topography and physical properties studied when 2% CHX was used in comparison with the control (P < 0.05). The RMS parameter for topography increased after 10 min of 5.25% NaOCl exposure in comparison with the control (P < 0.05). In addition, 5.25% NaOCl increased the elasticity of the GP cone after an immersion time of 1 min in comparison with the control (P < 0.05). CONCLUSIONS Two per cent CHX did not change GP cone structure following up to 30 min exposure. Conversely, 5.25% NaOCl caused elastic changes after 1 min exposure.
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Affiliation(s)
- C R A Valois
- Department of Genetics and Morphology, Institute of Biology, University of Brasília, Brasília, Brazil
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26
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Silva LP, Miyasaka CK, Martins EF, Leite JRSA, Lacava ZGM, Curi R, Azevedo RB. Effect of bullfrog (Rana catesbeiana) oil administered by gavage on the fatty acid composition and oxidative stress of mouse liver. Braz J Med Biol Res 2004; 37:1491-6. [PMID: 15448869 DOI: 10.1590/s0100-879x2004001000007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The aim of the present study was to investigate the effects of daily intragastric administration of bullfrog oil (oleic, linoleic and palmitoleic acid-rich oil), corresponding to 0.4% of body weight for four weeks, on fatty acid composition and oxidative stress (lipid peroxidation and catalase activity) in mouse liver. The activities of aspartate aminotransferase (AST), alkaline phosphatase (ALP), alanine aminotransferase (ALT), and gamma-glutamyltransferase (GGT), biomarkers of tissue injury, were determined in liver homogenates and serum. The proportions of 18:2n-6, 20:4n-6, 20:5n-3, and 22:6n-3 (polyunsaturated fatty acids, from 37 to 60%) in the total fatty acid content were increased in the liver of the bullfrog oil-treated group (P < 0.05) compared to control. At the same time, a significant decrease in the relative abundance of 14:0, 16:0, and 18:0 (saturated fatty acids, from 49 to 25%) was observed. The hepatic content of thiobarbituric acid reactive substances (TBARS) was increased from 2.3 +/- 0.2 to 12.3 +/- 0.3 nmol TBA-MDA/mg protein and catalase activity was increased from 840 +/- 32 to 1110 +/- 45 micromol reduced H2O2 min-1 mg protein-1 in the treated group. Bullfrog oil administration increased AST and ALP activities in the liver (from 234.10 +/- 0.12 to 342.84 +/- 0.13 and 9.38 +/- 0.60 to 20.06 +/- 0.27 U/g, respectively) and in serum (from 95.41 +/- 6.13 to 120.32 +/- 3.15 and 234.75 +/- 11.5 to 254.41 +/- 2.73 U/l, respectively), suggesting that this treatment induced tissue damage. ALT activity was increased from 287.28 +/- 0.29 to 315.98 +/- 0.34 U/g in the liver but remained unchanged in serum, whereas the GGT activity was not affected by bullfrog oil treatment. Therefore, despite the interesting modulation of fatty acids by bullfrog oil, a possible therapeutic use requires care since some adverse effects were observed in liver.
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Affiliation(s)
- L P Silva
- Departamento de Genética e Morfologia, Instituto de Ciências Biológicas, Universidade de Brasília, 70919-970 Brasilia, DF, Brazil
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27
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Almeida JB, Piedade JR, Silva LP. [Analysis of nitrocompound pesticides by potentiography (author's transl)]. Arq Inst Biol (Sao Paulo) 1976; 43:89-91. [PMID: 1031592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
This paper describes a potentiographic technique developed for determining nitrocompound pesticides. The statistical analysis of the results showed that it is precise and accurate. Rapidity is another important characteristic of the developed potentiographic technique. It is not specific and for that in some cases a column chromatographic cleanup is necessary.
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28
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de Almeida JB, Piedade JR, Silva LP. [Complexometric analysis of dithiocarbamates by potentiography]. Arq Inst Biol (Sao Paulo) 1974; 41:63-6. [PMID: 4466484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
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