Introdução: A incidência de hérnia abdominal em pacientes cirróticos é elevada, em torno de 20%. Em casos de ascite volumosa, a incidência atinge valores até 40%.Uma das principais e mais graves complicações no pósoperatório (PO) de correção de hérnias de pacientes cirróticos é a insuficiência renal aguda, conhecida como acute kidney injury - insuficiência renal aguda (AKI). Objetivos: O objetivo deste estudo é analisar a função renal de pacientes cirróticos submetidos à cirurgia de correção de hérnias abdominais em nosso serviço. Além disso, comparar os pacientes que apresentam AKI PO com os demais, para determinar os fatores relacionados à sua ocorrência. Métodos: Seguimento de pacientes cirróticos submentidos à cirurgia de hérnia entre 2001 e 2014 no Serviço de Transplante de Fígado. Foram coletados exames laboratoriais para avaliar a função renal no pós-operatório rotineiramente. A AKI foi definida com base no consenso do clube da ascite em 2015. Resultados: Dos 174 pacientes incluídos, ocorreu AKI em 58 pacientes (34,9%). Houve diferença entre grupos para as seguintes variáveis: model for end-stage liver disease - modelo para doença hepática terminal (MELD) inicial, creatinina basal e creatinina, o grupo com AKI apresentou médias superiores ao grupo que não apresentou AKI. No grupo do AKI PO, 74,1% das cirurgias, foram realizadas em caráter de emergência, enquanto que no grupo sem AKI PO, 34,6%. No grupo AKI,90,4% dos indivíduos apresentaram complicações no PO, enquanto no grupo sem AKI, 29,9%. As variáveis Idade, MELD inicial, creatinina basal e creatinina no pós-operatório inicial (POI) foram estatisticamente significantes na análise de sobrevida. Conclusão: Existe uma associação entre AKI PO e cirurgia de emergência e AKI PO e complicações PO. Os fatores relacionados à maior ocorrência de AKI em pacientes cirróticos submetidos à cirurgia de hérnia são o MELD inicial, creatinina basal, creatinina POI. O preparo de pacientes cirróticos com hérnia abdominal antes de procedimentos cirúrgicos deve ocorrer sistematicamente pois apresentam alta incidência de AKI PO / Background: The incidence of abdominal hernia in cirrhotic patients is as higher 20% and in cases of major ascites the incidence may increase up to 40%. One of the main and most serious complications in the postoperative period of cirrhotic patients is acute renal failure, known as acute kidney injury (AKI). Objectives: The objective of this study is to analyze the renal function of cirrhotic patients undergoing hernia surgery in our service, and compare the patients who presented AKI postoperative (PO) with the others, to determine the factors related to their occurrence. Methods: Follow-up of cirrhotic patients who underwent hernia surgery between 2001 and 2014. Laboratory tests were routinely collected on the PO period. AKI was defined based on the consensus of the ascite´s club in 2015. Results: Of 174 patients included, the primary outcome of AKI occurred in 58 (34.9%) patients. We observed that there was a significant difference between the groups in the variables: initial MELD, basal creatinine, and creatinine POI, the group with AKI PO had averages higher than the group that did not have AKI PO. In the AKI PO group, we observed that 74.1% of the patients had emergency surgery, whereas in the group without AKI PO, we had 34.6%. In the group with AKI PO, we observed that 90.4% of the individuals had complications in the PO, whereas in the group without AKI PO, we had 29.9%. We observed that the variables Age, Initial MELD, Baseline Creatinine, and Creatinine POI were statistically significant for survival analysis. Conclusions: There is an association between AKI PO and emergency surgery and also between AKI PO and complications after surgery. The factors related to higher occurrence of AKI PO in cirrhotic patients underwent hernia surgery are initial MELD, basal Cr, Cr Poi. We believe that cirrhotic patients with abdominal hernia must be well prepared before surgery because they present high incidence of AKI PO

Grouper in Taiwan is of high value, but nervous necrosis virus infection causes 100% mortality. Our laboratory had developed a good expression system to produce virus-like particles that induced immune functions. In this study, cells producing monoclonal antibody against the virus-like particles were used to induce BALB/c mice production of high titer ascites. The ascite from the H1 cells generated 6000-fold of antibodies higher than cell culture, using enzyme-linked immune-sorbent assay, although relatively less than the previous monoclonal cells of mX, 8000-fold. In the electron microscopy, the ascite antibody bound to various mutants of virus-like particles. Using the polymerase chain reaction to amplify fragments of IgG cDNAs, we will clone and express such cDNAs to efficiently produce the desired monoclonal antibodies.

<p>Ovarian cancer is the fifth leading cause of cancer-related death in the United States and the most lethal gynecologic malignancy. Patients with ovarian cancer are generally diagnosed at stage III or IV, when ascites fluid becomes a common symptom. The volume of ascites positively correlates with the extent of ovarian cancer metastasis and negatively with prognosis; however, the mechanisms explaining their effect are unknown. </p><p>We hypothesize that ascites enriches for cancer stem-like cells. Our present study demonstrates that mice injected with ID8 cells, a murine epithelial ovarian cancer line, have remarkably shortened survival, when injected together with ascites supernatant derived from tumor-bearing mice. Moreover, compared to their counterparts cultured in regular medium, ID8 cells cultured in ascites fluid, or isolated directly from ascites, show an increased expression of stem cell markers Oct4 and CD133. These cells also exhibit enhanced self-renewing ability in sphere assay, suggesting that ascites enriches for stem-like cells. </p><p>Furthermore, we demonstrate that ascites enriches for cells expressing cell surface GRP78, a stress-inducible endoplasmic reticulum chaperone which also appears on the plasma membrane (memGRP78) of aggressive cancers. MemGRP78 + cells correlate with stem cell properties of self-renewal and tumor initiation, suggesting GRP78 is a novel stem cell marker. Importantly, antibodies against the COOH terminal domain of GRP78 significantly reduce the self-renewing ability of murine and human ovarian cancer cells pre-incubated with ascites.</p><p>In conclusion, our study demonstrates that ascites enriches for stem-like cells in ovarian cancer cell lines. Furthermore, the inhibitory effect of antibodies against the COOH terminal domain of GRP78 suggests that memGRP78 is a logical therapeutic target for ovarian cancer.</p> / Dissertation

Two experiments were conducted to evaluate the effects of arginine, vitamin E, and their combination on cardiopulmonary performance and nitric oxide synthase (NOS) activity in broilers undergoing cold-induced ascites (pulmonary hypertension) after an acute challenge with epinephrine. One day-old male broilers ( n = 25/treatment) were supplemented with arginine (0.3% water supplementation), vitamin E (400 IU/L or kg, water or feed supplementation; experiment 1 and 2 respectively) or both compounds, above NRC (1994) recommendations. From day 28 to 42, a catheterization was performed (n = 8/treatment) to evaluate pulmonary and mean arterial pressures, and heart rate. After recording baseline values, two injections of epinephrine (1 or 0.5 mg/kg body weight, experiment 1 and 2, respectively) were administered in a 20 min interval. The NOS activity was estimated through the conversion of 14C-arginine to 14C-citrulline in isolated pulmonary arteries ( n = 8/treatment). Overall, the time taken for pulmonary arterial pressure to return to values no different from initial baseline levels was longer for the birds consuming high levels of vitamin E (alone or in combination with arginine) compared to birds supplemented only with arginine. Although NOS activity was highly variable, birds fed with high arginine levels tended to have the lowest NOS activity. These results showed that vitamin E supplementation at the levels used in these experiments has detrimental effects on cardiopulmonary performance, and does not improve NOS activity in isolated pulmonary arteries.

Made available in DSpace on 2014-06-11T19:27:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2001Bitstream added on 2014-06-13T20:36:40Z : No. of bitstreams: 1 gentile_lb_me_botfm.pdf: 247842 bytes, checksum: 63ea41194545ec6eec4411a86ab5ea15 (MD5) / Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) / O presente trabalho objetivou avaliar o envolvimento das prostaglandinas no crescimento tumoral, influxo inflamatório e secreação de citocinas durante a evolução do Tumor Ascítico de Ehrlich (TAE). Para tanto, camundongos foram inoculados com 1 x 103 células tumorais (ip) e tratados com indometacina (1mg/Kg,1x/dia,ip) ou com diluente (0,1 ml,1x/dia,ip). Decorridos 1, 3, 6, 10 e 13 dias os animais foram sacrificados e avaliados quanto ao influxo inflamatório diferencial, secreção de TNF-a, IL1-a, IL-2, IL- 4, IL-6, IL-10 e IL-13 e níveis de PGE2 no lavado peritoneal.. Dois grupos controle adicionais foram constituídos de animais não portadores de TAE tratados com indometacina ou diluente, seguindo o mesmo protocolo. Os resultados obtidos demonstraram que o implante do TAE induz produção de PGE2 durante toda sua evolução; aumento do número de células neoplásicas a partir do 10o dia e diminuição do influxo de células mesoteliais no 10º dia e de basófilos no 10º e 13º dia pós implante neoplásico. Em relação as citocinas o TAE induziu produção de IL-6 no 10º e 13º dia e de IL 2 no 13º dia, não alterando de modo significativo o perfil das outras citocinas estudadas. O tratamento de animais portadores de TAE com indometacina, foi eficaz em inibir o crescimento tumoral e a síntese de PGE2 a partir do 10o dia de crescimento neopásico, e promoveu aumento significativo no influxo de neutrófilos segmentados e de células nucleadas, apenas em tempos iniciais da evolução tumoral. Ainda, o tratamento com indometacina promoveu síntese de IL-13 e inibição significativa de IL-6 no 13o dia de crescimento tumoral, não alterando as outras citocinas analisadas. No grupo não portador de tumor tratado com indometacina observamos aumento no influxo de neutrófilos segmentados no 1º dia... . / The aim of the present study was investigate the prostaglandin involvement during the growth of Ehrlich Ascites Tumor (EAT), using as parameters: tumoral growth, inflammatory influx and cytokine profile. Mice were inoculated with 1 x 103 tumor cells (ip) and treated with indomehacin (1mg/Kg,1x/day,ip) or diluent (0,1ml,1x/day,ip). After 1, 3, 6, 10 and 13 days the animals were sacrificed and evaluated in relation to inflammatory influx, secretion of TNF -a , IL1-a, IL-2, IL-4, IL-6, IL-10 and IL-13 and PGE2 level, in peritoneal cavity. Two groups no bearing EAT were treated with indomethacina or diluent as control ,following the same protocol. The results demonstrated that EAT implant induces PGE2 production during all evolution; increases tumoral cells number from the 10th day and decreases the mesotelial cells on 10th day and basophils cells on 10th and 13rd day.The cytokine profile showed EAT induces production of IL 6 from 10th day and of IL 2 on 13rd day, the other studied cytokines were not affected in a significant way. The indomethacin treatment of EAT bearing mice inhibited the tumoral growth and PGE2 synthesis from the 10th day and promoted significant increase on the neutrophils influx and total inflammatory cells, just in initial times of the tumoral evolution. Indomethacin treatment also promoted IL-13 synthesis and significant inhibition of IL-6 on 13rd day of EAT growth, but did not altered the others cytokines. The indomethacin treatment of animals do not bearing EAT increases neutrophils influx on the 1st day, lymphocytes on the 3rd day, eosinophils on 10th day; and no detected alteration was detected on cytokine profile Taken together, the results suggest that EAT growth is modulate by PGE2 and the inhibition of the tumoral growth could be partly related with suppression of IL-6 and liberation of IL-13.

This diploma thesis deals with the topic of hidden malnutrition in patients with advanced stage of ovarian carcinoma. Tumor diseases are often accompanied by malnutrition. In the case of ovarian cancer, malnutrition may be hidden, primarily due to ascites, which can distort body weight. Out of the patients included in this study 32 % had ascites. The basic nutritional status test in hospitals is the nutritional screening performed on each hospitalized patient to detect the risk of malnutrition. Other methods such as anthropometric measurements, laboratory values, bioimpedance analysis, or less commonly, imaging processes can also be used to detect malnutrition. The aim of this thesis was to evaluate whether nutritional screening and regular weight control in patients with advanced ovarian cancer is sufficient to diagnose malnutrition. The results have shown that the inclusion of anthropometric measurements between routine screening can be beneficial in detecting a greater number of malnourished patients. Also shifting the BMI threshold in nutritional screening for patients over 65 would greatly increase the capture of patients at risk of malnutrition. The secondary focus was to find whether the presence of ascites can be a determining factor in malnutrition being left undiagnosed, and which simple...

The incidence of ascites in slaughterhouses inspected by the Brazilian Agricultural Authority resulted in the condemnation of 1,605,439 broiler carcasses in the state of Rio Grande do Sul between 2002 and 2006. This figure corresponds to 8.19% of the number of total carcass condemnations in the period according to data of the Brazilian Department of Agriculture. This study aimed to discuss the causes and mechanism of control of ascites and assess the evolution of this metabolic disorder, which accounted for 6.4% of total carcass condemnations in 2002, a figure that rose to 9.6% in 2006. Linear regression showed a strong correlation (0.92), demonstrating that ascites-related condemnations are increasing. The financial losses resulting from these condemnations in that period amount to R$ 3,6 milion or US$1,7 milion , which highlights the importance of implementing more effective control and monitoring of this condition in the poultry sector. / A ocorrência de condenação total de carcaças de frangos devido à síndrome ascítica (SA) em matadouros sob Inspeção Federal no estado do Rio Grande do Sul alcançou a soma de 1.605.439 unidades no período compreendido entre 2002 e 2006, chegando a 8,19% do total de condenações, sem aproveitamento parcial, do período, conforme dados obtidos junto ao MAPA (Ministério da Agricultura Pecuária e Abastecimento). Este trabalho teve como objetivos, discutir e apresentar as causas e formas de controle da SA, bem como avaliar a evolução da ocorrência deste transtorno metabólico, uma vez que, em 2002 a síndrome ascítica representou 6,4% do total de condenações, crescendo gradativamente até 2006, onde a ascite representou, até o mês de novembro, 9,6% das condenações de carcaça total. A regressão linear apresentou uma forte correlação (0.92) demonstrando que os casos de condenações por ascite estão aumentando gradualmente. Os prejuízos advindos destas condenações, durante o período avaliado, geram valores na ordem de R$ 3,6 milhões, o equivalente a US$ 1,7 milhões, demonstrando com isso, a importância de maior controle e monitoramento da enfermidade para o setor avícola.

Les cancers de l’ovaire représentent la première cause de mortalité due aux cancers gynécologiques dans les pays développés. La plupart de ces cancers sont diagnostiqués à des stades tardifs quand les cellules cancéreuses ovariennes ont disséminé et colonisé les parois de la cavité abdominale. En conséquence, ces cancers sont associés à un sombre pronostic.Plus d’un tiers des patientes présentent une accumulation de liquide d’ascite au moment du diagnostic. L’ascite est un fluide exsudatif ayant une composante cellulaire et également une composante liquide acellulaire, constituant un réservoir dynamique de molécules bioactives. Malgré une réponse efficace aux traitements standards, les taux de récidive de cette pathologie restent élevés. L’acquisition d’une chimiorésistance et le mode de propagation atypique des cellules cancéreuses sont deux éléments importants impliqués dans la récidive des cancers ovariens.Le rôle de l’ascite et plus particulièrement de la composante matricielle ascitique, dans le processus de dissémination et dans la chimiorésistance des cellules cancéreuses ovariennes reste peu étudié et constitue le cœur de ce travail de thèse.L’objectif des travaux a été d’étudier l’influence de l’ascite et de deux glycoprotéines matricielles purifiées à partir d’échantillons d’ascites sur les comportements cellulaires propices à la dissémination et à la récidive des cancers ovariens. De plus, l’influence de l’ascite sur la réponse des cellules aux traitements à base de platine a également été recherchée et estimée.L’étude démontre que l’ascite est un microenvironnement propice à la dissémination des cellules cancéreuses ovariennes et que la fibronectine et la vitronectine ascitiques ainsi que leurs récepteurs d’adhérence spécifiques sont des éléments qui participent à la régulation de cette dissémination. L’ascite exerce également un effet protecteur contre l’effet cytotoxique des agents chimiothérapeutiques.Ces résultats mettent en perspectives l’intérêt potentiel de la fibronectine et de la vitronectine ascitiques comme outils diagnostiques et/ou cibles thérapeutiques des cancers ovariens et nous engagent à approfondir l’étude de ces deux molécules et de leurs conséquences sur la progression de la maladie. / Ovarian cancers are the leading cause of death among gynaecological cancers in western countries. Most of these cancers are diagnosed at a late stage, when ovarian cancer cells have spread and colonized the walls of the abdominal cavity. Therefore, these cancers are associated to a poor prognosis.More than one third of the patients show an accumulation of ascites at the time of the diagnosis. Ascites are exudative fluids composed of a cellular and also an acellular fraction. In fact, ascites constitute a dynamic reservoir of bioactive molecules. Even if the response of ovarian cancers to the current first-line therapy, that consit in debulking surgery followed by chemotherapy, is satisfactory, the rate of recurrence remains important. The gain of a chemoresistance and the atypical widespread of cancer cells are two important factors involved in the recurence of the ovarian cancers.The role of ascites and more particularly, of the ascitic matrix componants on the dissemination process and on the chemoresitance of the ovarian cancer cells remain poorly studied and is the aim of this work.The objective of this study was to investiguate the influence of ascites and of two matrix glycoproteins purified from samples of ascites i) on the cells behavior convenient to the dissemination and the recurrence of the ovarian cancers and ii) on the response of cells to therapeutics treatments with platinum.This study suggests that ascites are a permissive microenvironment to the dissemination of ovarian cancer cells and that ascitic fibronectin and vitronectin as well as their specific receptors are actors which participate to the regulation of this dissemination. Ascites also protect ovarian cancer cells against the cytotoxicity of chemotherapeutic drugs.These results illustrate the potential interest of ascites derived fibronectin and vitronectin as diagnosis tools and/or therapeutic targets for ovarian cancers and encourage us to deepen the study of these two molecules and their consequences in the progress of the disease.

The antibiotics have become so widely and successfully used in the practice of medicine that they are now considered to be essential. Among the antibiotics, the tetracycline group has achieved an enviable reputation for dependable medication, In spite of this, there remain several unanswered questions, One of these pertains to the interesting phenomenon for almost selective localization of tetracycline in certain tumor cells or masses, Although there have been numerous publications dealing with this phenomenon, as the following paragraphs will indicate, there is little agreement as to the factors involved. Indeed, there are some sharply conflicting opinions. The investigations described in this paper were undertaken to obtain information relative to the localization and retention of tetracycline in a transplantable mouse tumor.

No description available.