59 resultados para Michelia figo


Relevância:

10.00% 10.00%

Publicador:

Resumo:

Fundao de Amparo Pesquisa do Estado de So Paulo (FAPESP)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Ps-graduao em Matemtica Universitria - IGCE

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Ps-graduao em Agronomia (Proteo de Plantas) - FCA

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Aims and background. The study was undertaken to investigate CCL2/MCP-1, CCL3/MIP-l alpha, CCL4/MIP-1 beta, CCL5/RANTES and CXCL8/IL-8 women with epithelial ovarian cancer.Methods and study design. Sixteen patients diagnosed with epithelial ovarian cancer and 18 healthy women with no evidence of malign neoplasia (control group) aged from 23 to 89 years (mean +/- SEM, 58.7 +/- 2.3) were included. The epithelial ovarian cancer patients underwent laparotomy and debulking surgery Chemokines serum levels were measured by cytometric bead array. Statistical analysis was performed using Mann-Whitney and Kendall's tau. P <0.05 was considered statistically significant for all analyses.Results. The tumor staging (FIGO) was classified into: I in 4 cases (25%), III in 5 cases (31.3%) and stage IV in 7 cases (43.8%). Sera chemokine dosages of CCL2 /MCP-1 and CCL4/MIP-1 beta were lower in epithelial ovarian cancer patients than in the control group (P = 0.021 and P = 0.030, respectively). No significant difference between groups was observed in the levels of CCL3/MIP-l alpha, CCL5/RANTES and CXCL8/IL-8. No association between the chemokines analyzed and tumor stage was found. The serum level of CCL4/MIP-1 beta was correlated with CA-125.Conclusions. The study of serum levels of CCL2/MCP-1, CCL3/MIP-l alpha, CCL4/MIP-1 beta, CCL5/RANTES and CXCL8/IL-8 chemokines in epithelial ovarian cancer patients identified a down-regulation in CCL2/MCP-1 and CCL4/MIP-1 beta, which suggests that the two chemokines may play an important role in the pathophysiology of ovarian cancer.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Ps-graduao em Agronomia (Horticultura) - FCA

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Fundao de Amparo Pesquisa do Estado de So Paulo (FAPESP)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Insetos so estudados como modelos biolgicos e evolutivos devido, principalmente, ao tamanho reduzido e ciclo de vida curto, tendo importncia ecolgica pelo fato de gerarem diversos benefcios em todos os ecossistemas e estarem presentes em todos os nveis trficos. A espcie Zaprionus indianus pertence famlia Drosophilidae, nativa da frica Tropical e foi recentemente introduzida no Brasil, causando grande preocupao devido aos danos causados na produo de figo roxo (Ficus carica). A temperatura um dos fatores abiticos que influencia a velocidade de desenvolvimento, fecundidade e disperso dos insetos, provocando alteraes em aspectos morfolgicos e relativos ao ciclo de vida de drosofildeos. Estudos sobre a influncia da temperatura no desenvolvimento de Z. indianus so importantes para um futuro programa de controle dessa praga, de acordo com as caractersticas climticas de cada regio. Este trabalho teve como objetivo avaliar o efeito de diferentes temperaturas, em diferentes densidades larvais, sobre a espcie Z. indianus, visando analisar sua curva de crescimento e tamanho de asa. Adultos de Z. indianus foram coletados nas dependncias da Universidade Estadual Paulista (Rio Claro - SP), com auxlio de pu entomolgico. Da amostra de drosofildeos coletados, os espcimes de Z. indianus foram identificados e mantidos em potes plsticos redondos, estes acondicionados em cmaras climticas sob condies controladas de temperatura e umidade e fotoperodo. Foi oferecida como alimento dieta artificial comum de drosofildeos feita base de banana. Os ovos obtidos foram contados e separados em densidades de 100 e 500 indivduos, em duplicata para cada densidade e temperatura testadas; os imaturos foram mantidos sob as mesmas condies que os parentais, exceto pela temperatura que foi estipulada de forma a se estudar os efeitos de trs... (Resumo completo, clicar acesso eletrnico abaixo)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

O manejo integrado de pragas vem ganhando cada vez mais espao no agronegcio brasileiro, sendo importante em mtodos de controle que visam a sustentabilidade na agricultura. Atualmente tem-se aumentado cada vez mais a demanda por defensivos agrcolas naturais, que sejam economicamente e ecologicamente viveis. Analisando-se as espcies pragas recentemente introduzidas no Brasil, encontra-se Zaprionus indianus Gupta, 1970, popularmente conhecida como mosca-do-figo. Este drosofildeo tem apresentado um alto potencial de infestao, sendo um organismo limitante ficicultura e que causa grandes prejuzos econmicos a seus produtores. Dentre as diversas formas de controle de pragas, podem ser citados os bioinseticidas como o Nim (Azadirachta indica), o qual apresenta baixa toxicidade em relao aos inseticidas qumicos, e que vem despertando interesse devido as suas propriedades e seu potencial como inseticida natural. Sabendo-se da urgente necessidade em controlar essa praga, o presente trabalho estudou os efeitos da interao de leo de Nim, da marca comercial Prneem Plus sobre o desenvolvimento populacional de Z. indianus. Os testes foram realizados com indivduos da F1 - adultos e imaturos - oriundos da criao de Z. indianus, no Laboratrio de Entomologia I do Departamento de Zoologia, UNESP campus de Rio Claro. Foram realizados quatro diferentes experimentos, considerando o potencial bioinseticida e de repelncia do produto, testando-se as concentraes de 0,5; 1,0; 1,5 e 2% sob condies de laboratrio e as concentraes de 0,35; 0,5 e 0,75% em monocultura de figo. O leo de Nim apresentou atividade inseticida para a fase larval de Z. indianus, nas concentraes de 0,5; 1; 1,5 e 2%, causando elevada mortalidade e retardando o desenvolvimento da espcie, porm, no apresentou toxicidade significativa... (Resumo completo, clicar acesso eletrnico abaixo)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Conselho Nacional de Desenvolvimento Cientfico e Tecnolgico (CNPq)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Coordenao de Aperfeioamento de Pessoal de Nvel Superior (CAPES)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Objective. To evaluate the potential effects of race on clinical characteristics, extent of disease, and response to chemotherapy in women with postmolar low-risk gestational trophoblastic neoplasia (GTN).Methods. This non-concurrent cohort study was undertaken including patients with FIGO-defined postmolar low-risk GTN treated with comparable doses and schedules of chemotherapy at the New England Trophoblastic Disease Center (NETDC) between 1973 and 2012. Racial groups investigated included whites, African American and Asians. Information on patient characteristics and response to chemotherapy (need for second line chemotherapy, reason for changing to an alternative chemotherapy, number of cycles/regimens, need for combination chemotherapy, and time to hCG remission) was obtained.Results. Of 316 women, 274 (86.7%) were white, 19 (6%) African American, and 23 (7.3%) Asian. African Americans were significantly younger than white and Asian women (p = 0.008). Disease presentation, and extent of disease, including antecedent molar histology, median time to persistence, median hCG level at persistence, rate of D&amp;C at persistence, presence of metastatic disease, and FIGO stage and risk score were similar among races. Need for second line chemotherapy (p = 0.023), and median number of regimens (p = 0.035) were greater in Asian women than in other races.Conclusions. Low-risk GTN was more aggressive in Asian women, who were significantly more likely to need second line chemotherapy and a higher number of chemotherapy regimens to achieve complete remission than women of African American and Asian descent. Further studies involving racial differences related to clinical, biological and environmental characteristics are needed. (C) 2015 Published by Elsevier Inc.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

To re-evaluate the safety of hormonal contraceptives (HC) after uterine evacuation of complete hydatidiform mole (CHM). Historical database review. Charing Cross Hospital Gestational Trophoblastic Disease Centre, London, United Kingdom. Two thousand four hundred and twenty-three women with CHM of whom 154 commenced HC while their human chorionic gonadotropin (hCG) was still elevated, followed between 2003 and 2012. We compared time to hCG remission between HC users and nonusers. The relationship between HC use and gestational trophoblastic neoplasia (GTN) development was assessed. The relationship between HC use and a high International Federation of Gynecology and Obstetrics (FIGO) risk score was determined. Time to hCG remission, risk of developing postmolar GTN and proportion of women with high FIGO risk score. No relationship was observed between HC use with mean time to hCG remission (HC users versus non-users: 12 weeks in both, P = 0.19), GTN development (HC users versus non-users: 20.1 and 16.7%, P = 0.26) or high-risk FIGO score (HC users versus nonusers: 0% and 8%, P = 0.15). Moreover, no association between HC and GTN development was found, even when an age-adjusted model was used (OR = 1.37, 95% CI 0.91-2.08, P = 0.13). The use of current HC is not associated with development of postmolar GTN or delayed time to hCG remission. Therefore, HC can be safely used to prevent a new conception following CHM regardless of hCG level. Non-concurrent cohort study to re-evaluate the safety of low dose HCs after uterine evacuation of CHM.