Reactivity of p53 protein in canine transmissible venereal tumor

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Neuropatia paraneoplásica associada ao mastocitoma canino

As síndromes paraneoplásicas compreendem um grupo diverso de alterações clínicas associadas a neoplasias e ocorrem em sítios distantes do tumor primário ou de suas metástases. As neuropatias paraneoplásicas são distúrbios raros em cães, mas representam morbidade significativa e servem como importantes indicadores diagnósticos e prognósticos. O presente trabalho relata a ocorrência de dois casos de neuropatia paraneoplásica em cães com mastocitoma, considerando a apresentação clínica, o diagnóstico e as formas de tratamento utilizadas.

Neoplasias de língua em cinco cães

Este trabalho tem como objetivo relatar a ocorrência de cinco casos de neoplasias de língua em cães. Os sinais clínicos mais observados foram ptialismo, halitose e hiporexia. Após biópsia excisional para exame histopatológico, os resultados revelaram dois casos de melanoma, um caso de histiocitoma, um caso de fibrossarcoma e um caso de mastocitoma grau II, sendo que neste o proprietário não autorizou qualquer forma de tratamento. O tratamento para os demais foi a glossectomia parcial e, no caso de fibrossarcoma, associou-se a quimioterapia. Dois animais apresentaram deiscência de sutura no pós-operatório, não havendo necessidade da realização de nova intervenção. em relação ao prognóstico, os pacientes com histiocitoma, fibrossarcoma e um com melanoma não apresentaram recidiva, nem metástase da doença 12 meses após a cirurgia. No outro caso de melanoma, o paciente apresentou metástase na pele e nos pulmões 30 dias após a ressecção cirúrgica.

Biossegurança e a saúde do trabalhador na assistência a pacientes em tratamento onco-hematológico

In recent years, the biosafety has been made possible a new look which are based the conceptions of health and illness process, as well as human needs. This new vision is focused on health vigilance that is referenced specifically in this study to the worker s health. The health of workers is essential for the prevention and control of epidemics and outbreaks of diseases as well as emerging and reemerging diseases. The present study wants to show the importance of biosafety measures for health workers, showing them through the concepts in their daily work. It is also to direct the use of biosafety measures in the care of oncology and hematology patients care, because of its infection susceptibility. OBJECTIVES: To analyze the conceptions of health workers in the biosafety pratice to the patients in oncological and hematological treatment in an oncological institution in Natal / RN, as well as make a socio-demographic profile of these workers and to know their difficulties to adequate biosafety measures. METODOLOGIA: The research is exploratory descriptive with qualitative approach, using the technique of oral history. The use of this technique is justified for the possibility of analyze the conceptions of health workers in the face of biosafety measures. From the definition of analysis categories that have emerged in the study. The categories were: daily work, education, occupational risk and onco-hematological care. The research population was the health workers who provide care to patients in oncological and hematological treatment. The study was conducted in the League against Cancer, in Natal / RN, specifically in the unit Luiz Antonio Hospital. Data collections were conducted from June to August of 2011 and were interviewed sixteen employees who assist in oncology and hematology. Structured interviews were conducted in three shifts, given the prospects of expanding the possibilities of analysis of the biosafety concepts. After data collection, the interviews were analyzed qualitatively by the technique of oral history. This genre, thematic oral history is a modern resource used for preparation of documents, files and studies concerning the social experience of people and groups with the construction of a script prior to the interview moment (MEIHY, 2002). ANALYSIS OF INFORMATION: It was made a reflection about the concepts and practices of professionals who take care of patients in oncology and hematology as well as its relation to biosafety measures. The speech of employees revealed that the adoption has been very supportive of these standards, although some have been highlighted gaps in the understanding of employees in relation to biosafety and the proposed categories. CONCLUSION: The analysis of information showed that biosafety has been cited by employees as an immeasurable benefit to safety and occupational health. And the strengths marks in their understanding were: the excellence of care and safety in occupational diseases risk reduction and infections resulting from their work activities, despite some difficulties in adopting appropriate biosafety standards

Investigação da capacidade intelectiva de pacientes pediátricos diagnosticados com tumores de fossa posterior

Central Nervous System are the most common pediatric solid tumors. 60% of these tumors arise in posterior fossa, mainly in cerebellum. The first therapeutic approach is surgical resection. Malignant tumors require additional strategies - chemotherapy and radiotherapy. The increasing survival evidences that childhood brain tumors result in academic and social difficulties that compromise the quality of life of the patients. This study investigated the intellectual functioning of children between 7 to 15 years diagnosed with posterior fossa tumors and treated at CEHOPE - Recife / PE. 21 children were eligible - including 13 children with pilocytic astrocytoma (G1) who underwent only surgery resection, and eight children with medulloblastoma (G2) - submitted to surgical resection, chemotherapy and craniospinal radiotherapy. Participants were evaluated by the Wechsler Intelligence Scale for Children - WISC-III. Children of G1 scored better than children of G2. Inferential tools (Mann-Whitney Ü Test) identified significant diferences (p ≤ 0.05) between the Performance IQ (PIQ) and Processing Speed Index (PSI) as a function of treatment modality; Full Scale IQ (FSIQ), PIQ and PSI as a function of parental educational level; PIQ, FSIQ, IVP and Freedom from Distractibility (FDI) as a function of time between diagnosis and evaluation. These results showed the late and progressive impact of radiotherapy on white matter and information processing speed. Furthermore, children whose parents have higher educational level showed better intellectual performance, indicating the influence of xxii socio-cultural variables on cognitive development. The impact of cancer and its treatment on cognitive development and learning should not be underestimated. These results support the need to increase the understanding of such effects in order to propose therapeutic strategies which ensure that, in addition to the cure, the full development of children with this pathology

Investigação do funcionamento cognitivo de pacientes pediátricos diagnosticados com leucemia linfóide aguda - LLA

The present work investigated the cognitive operation of children diagnosed with acute lymphoblastic leukaemia (ALL), accompanied at pediatric oncologic institutions at the city of Natal/RN. Had participated in this study twenty children, of both sexes, between six and twelve years old, with the ALL diagnostic, who were in treatment (n=10) and out of treatment for at least one year (n=10) and were submitted exclusively to chemotherapy as CNS prophylaxis. The utilized protocol of neuropsychological evaluation covered the following cognitive abilities: intellective capability, attentional and memory systems, and executive functions. Data was analyzed through descriptive and inferential measures, with the support of the Mann-Whitney U Test and T-test, considering the influence of the variables sex, age at diagnostic and the past time since the beginning of the treatment over children s performance. The intellective capability evaluation showed low score to the out-of-treatment groups, female and children under five years old to the diagnostic. In concern of attentional systems, groups showed the expected performance. In a relevant way, in the evaluation of executive functions, were found reduced scores within all groups, especially inside the in-treatment group. Memory evaluation pointed to reduced performance in items concerning to learning evolution and spontaneous evocation after interference to the several groups. It can be concluded, reffer to the occurrence of transitory and permanent impact associated to the intrusion of chemotherapic components during the maturational course of the CNS. It s expected that the present investigation and the development of similar studies enable major comprehension about the mode, extension and repercussion of these damages subsidizing the development of strategies which may minimize them and provide better xxiii life quality to this clinical subgroup

Avaliação das habilidades neurocognitivas em crianças e adolescentes sobreviventes da Leucemia Linfoide Aguda - LLA

The present study investigated the impact of the treatment modalities of Acute Lymphoblastic Leukemia on neurocognitive abilities of children and adolescents survivors, aged between 6 and 16 years of age, accompanied in pediatric oncology sectors of public health services in the cities of Campina Grande-PB and Natal-RN. The study included 52 children, 13 of these being children and adolescents diagnosed with leukemia and 39 healthy children matched in relation to the study group considering gender, age, school type and level of maternal education. Later the group of children with leukemia was subdivided into two subgroups depending on treatment modality which were submitted: Group 1A (only chemotherapy) and 1B (chemotherapy and radiotherapy). All participants were subjected to a battery of neuropsychological tests that investigated the following neurocognitive abilities: intellectual ability, memory system, attention, visuospatiality and visuoconstruction, processing speed and executive functions. Data were analyzed using descriptive and inferential measurements with the aid of the U test of Mann-Whitney and T test, considering the influence of the variables: sex, age at diagnosis, time since completion of treatment and level of schooling mothers, on the performance of children. Overall, it is concluded that the illness and the treatment of acute lymphoblastic leukemia significantly favors the emergence of cognitive deficits, particularly in terms of visuospatial skills, and executive skills visoconstrutivas. In turn, the treatment modality of radiotherapy is associated with the presence of more severe deficits, highlighting the significant impact on the speed of information processing. It is hoped that the results presented here will contribute to a better understanding of the nature and extent of neurocognitive effects arising ALL treatment

O cotidiano do(a) Assistente Social frente as demandas apresentadas pela paciente portadora do câncer de mama em tratamento no Hospital Doutor Luiz Antônio em Natal/RN

This work deals with an analysis related to the social worker s practice in the oncology area. It aims to identify demands, work conditions as well as current challenges related to this profession. It considers the specificities of breast cancer and relates it to political decisions in the health sector considering the concept of contemporary capitalism. The study analyzes professional action and the demands presented by breast cancer patients who are currently in treatment in Hospital Dr. Luiz Antônio em Natal-Rio Grande do Norte-Brazil. The methodological procedures considered of documental analysis, semi-structured interviews (with two social workers that work with fifteen breast cancer patients) as well as participant observation; which was done counting with my own professional practice in the oncology area. Thus, the research also discusses the breast cancer issue in the life of the users considering their social-economical, cultural and political determinants. Factors such as age in which the diagnosis was known, the relation user/social workers, number of children, rights of the oncology patient, place where he/she lives, education, civil status, (re)insertion of the professional in the work field, perception of self-esteem and bio-psycho-social representation of breast cancer in the lives of these women, all of which were dealt with in this research

Determinação de haplótipos do gene βs em portadores de anemia falcifome

Haplotypes linked to the βS gene represent patterns of DNA polymorphisms along chromosome 11 of individuals bearing the βS gene. Analysis of haplotypes, in addition to serving as an important source for anthropological studies about the ethnic origin of a population, contributes to a better understanding of the variations in clinical severity of sickle cell anemia. The aim of the present study was to determine βS gene haplotypes in a group of patients with sickle cell anemia treated at the Dalton Barbosa Cunha Hematology Center (Hemonorte) in Natal, Brazil and the Oncology and Hematology Center in Mossoró, Brazil. Blood samples were obtained from 53 non-related patients (27 males and 26 females), aged between 3 months and 61 years (mean age: 16.9 ± 12.1 years). Laboratory analyses consisted of the following: erythrogram, reticulocyte count, hemoglobin electrophoresis at alkaline pH, measurement of hemoglobin A2 and Fetal hemoglobin, solubility test and molecular analysis to determine βS gene haplotypes. DNA samples were extracted by illustra blood genomicPrep Mini Spin kit and βS gene haplotypes were determined by PCR-RFLP, using Xmn I, Hind III, Hinc II and Hinf I restriction enzymes for analysis of six polymorphic restriction sites in the beta cluster. Of 106 βS chromosomes studied, 75.5% were Central African Republic (CAR) haplotype, 11.3% Benin (BEN) and 6.6% Cameroon (CAM). The atypical haplotypes had a frequency of 6.6%. More than half the patients (58.5%) were identified as CAR/CAR genotype carriers, 16.9% heterozygous CAR/BEN, 13.2% CAR/CAM and 1.9% BEN/BEN. Patients with atypical haplotype in one or two chromosomes accounted for 9.5% (CAR/Atp, BEN/Atp and Atp/Atp). The genotype groups showed no statistically significant difference (p < 0.05) in their laboratory parameters. This is the first study related to βS haplotypes conducted in state of Rio Grande do Norte and the higher frequency of Cameroon halotype found, compared to other Brazilian states, suggests the existence of a peculiarity of African origin

Avaliação de dois métodos de extração de DNA de material parafinado para amplificação em PCR

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Estresse psicológico e enfrentamento em mulheres com e sem câncer

Considerando o alto índice de mortes de mulheres por cânceres de mama, útero e ovários e resultados de pesquisas indicando relações entre estresse, enfrentamento e doenças como as oncológicas, este estudo investigou, em 30 mulheres com e 30 mulheres sem câncer, a ocorrência de estresse em suas histórias prévias, a importância atribuída ao mesmo e a avaliação de sua superação, nas áreas de saúde, social/trabalho e familiar. Os resultados indicaram relações entre os modos de avaliar e enfrentar o estresse e o adoecimento, sugerindo que padrões mais otimistas e diretos de lidar com o estresse favoreceram a redução de seu impacto no equilíbrio psicofisiológico. Dada a exposição crescente da mulher ao estresse, indica-se a relevância de programas psicoeducativos redutores de seu impacto na população feminina.

Terapêutica no carcinoma de células escamosas cutâneo em gatos

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

p53 gene analysis in childhood B non - Hodgkin's lymphoma

CONTEXTO: Alterações do gene supressor de tumor p53, como mutações e deleções, são lesões genéticas encontradas com maior freqüência nas neoplasias humanas, incluindo câncer de mama, pulmão e cólon. Entre as malignidades hematológicas, o gene 53 é freqüentemente mutado no linfoma de Burkitt, sendo detectadas mutações em 30-40% das amostras tumorais e em 70% das linhagens celulares. OBJETIVO: Analisar as alterações do gene p53 em crianças com linfoma não-Hodgkin de origem B. TIPO DE ESTUDO: Estudo descritivo. LOCAL: Centro de Oncologia Terciário. PARTICIPANTES: O estudo analisou 12 pacientes com linfoma não-Hodgkin B classificados como linfoma de Burkitt. A análise de possíveis mutações do gene p53 foi realizada pela técnica de PCR-SSCP dos exons 5, 6 ,7 e 8/9 do gene. RESULTADOS: Um padrão anormal de migração foi observado em quatro pacientes (33.3%), em um paciente no exon 6 e em três no exon 7. Os casos positivos incluíam dois pacientes que evoluíram para o óbito por progressão da doença. CONCLUSÃO: Esses resultados preliminares sugerem que as alterações do gene p53 são freqüentes em crianças com linfoma de Burkitt e podem contribuir para patogênese ou progressão da doença.

Análise, desenvolvimento e implantação de software para monitorização, controle e gerenciamento dos processos na condução de estudos clínicos em cancerologia

Pós-graduação em Pesquisa e Desenvolvimento (Biotecnologia Médica) - FMB

Papel da tomografia torácica e abdominal no estadiamento do carcinoma mamário localmente avançado

Pós-graduação em Cirurgia Veterinária - FCAV