996 resultados para Responses (Music)


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OBJECTIVE: To investigate the effects of receptive music therapy in clinical practice. METHODS: Receptive music therapy was individually applied via musical auditions, including five stages: musical stimulation, sensation, situation, reflection, and behavioral alteration. Following anamnesis and obtainment of consent, patients answered a first questionnaire on health risk evaluation (Q1), and after participating in 16 weekly music therapy sessions, answered a second one (Q2). RESULTS: Two men and 8 women, aged above 18 years, referred to us due to symptoms of stress, emotional suffering, and the need to change lifestyles (health risk behavior) were studied between August 1998 and December 1999. Comparison between answers to Q1 and Q2, showed a trend (P=0.059) for reduction of ingestion of cholesterol-rich foods and for increased prospects in life with a tendency towards improvement, and also of increased intake of fiber-rich food (55.6%), increased levels of personal satisfaction (44.5%), and decreased levels of stress (66.7%). CONCLUSION: The study demonstrated decreased stress levels and increased personal satisfaction, higher consumption of fiber-rich food, lower cholesterol intake, and a better perspective on life, suggesting that receptive music therapy may be applied in clinical practice as an auxiliary therapeutic intervention for the treatment of behavioral health risks.

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OBJECTIVE: We determined the effects of losartan and PD 123319 (antagonists of the AT1 and AT2 angiotensin receptors, respectively), and [Sar¹, Ala8] ANG II (a relatively peptide antagonist of angiotensin receptors) injected into the paraventricular nucleus (PVN) on water and 3% NaCl intake, and the diuretic, natriuretic, and pressor effects induced by administration of angiotensin II (ANG II) into the medial septal area (MSA) of conscious rats. METHODS: Holtzman rats were used . Animals were anesthetized with tribromoethanol (20 mg) per 100 grams of body weight, ip. A stainless steel guide cannula was implanted into the MSA and PVN. All drugs were injected in 0.5-mul volumes for 10-15 seconds. Seven days after brain surgery, water and 3% NaCl intake, urine and sodium excretion, and arterial blood pressure were measured. RESULTS: Losartan (40 nmol) and [Sar¹, Ala8] ANG II (40 nmol) completely eliminated whereas PD 123319 (40 nmol) partially blocked the increase in water and sodium intake and the increase in arterial blood pressure induced by ANG II (10 nmol) injected into the MSA. The PVN administration of PD 123319 and [Sar¹, Ala8] ANG II blocked whereas losartan attenuated the diuresis and natriuresis induced by MSA administration of ANG II. CONCLUSION: MSA involvement with PVN on water and sodium homeostasis and arterial pressure modulation utilizing ANGII receptors is suggested.

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Antecedentes: En nuestro laboratorio hemos demostrado que antígenos (Ags) de Fasciola hepatica inducen en células dendríticas murinas (CD), diferentes propiedades tolerogénicas como la incapacidad por si mismos de inducir la maduración de las células, la resistencia a la maduración por ligandos de TLR, el incremento en la producción de IDO y también la capacidad de esta estas células de dirigir la respuesta inmune hacia un perfil Th2 y T reg. Por otra parte ha sido bien documentado que CD con características tolerogénicas, ya sea inmaduras o semimaduras, son útiles para reducir respuestas inflamatorias excesivas tales como las que ocurren en enfermedades autoinmunes. Además hemos demostrado que CD tratadas con Ags del parásito en conjunto con un ligando Toll (CpG-ODN) producen altos niveles de citoquinas anti-inflamatorias (IL-10 y TGF-) bajos de citoquinas proinflamatorias (TNF, IL-6, IL-12). Hipótesis: El fenotipo semimaduro alcanzado en las CDpodría ser utilizado para reducir la inflamación en un modelo de enfermedad autoinmune en donde existe una exacerbada respuesta Th1 y Th17, ya que la producción elevada de IL-10 y TGF- podría inhibir o controlar estas respuestas de manera directa o a través de la inducción de células T regulatorias. Objetivos: En este proyecto nosotros proponemos la inmunización de animales susceptibles (ratones DBA1/j), al desarrollo de artritis inducida por colágeno (AIC) con CD tratadas con Ags de F. hepatica en conjunto con CpG-ODN para reducir los síntomas clínicos de la enfermedad. Materiales a utilizar: En nuestro laboratorio hemos desarrollado un modelo de artritis inducida por colágeno (AIC) mediante dos inmunizaciones de ratones DBA1/j con colágeno tipo II bovino y adyuvante de Freund. El modelo permitió establecer un índice clínico mediante la hinchazón en las patas de los animales. Doce días posteriores a la primera inmunización los animales serán inyectados con CD tratadas con: 1. PBS, 2.Extracto total de F.hepatica (TE) + CII, 3. CpG + CII, 4. TE+CpG+CII Se realizará la observación macroscópica diaria, a partir de los 7 días de la 2a inmunización Luego del sacrificio las articulaciones de las patas se prepararán para realizar un análisis histológico. Se detectará en suero los niveles de anticuerpos IgG1 (perfil Th2) y de IgG2a (perfil Th1) mediante la técnica de ELISA. Se detectará también el perfil de citoquinas en los nódulos drenantes por la técnica de ELISA y adicionalmente la poblaciónes celulares de células T regulatorias (Treg) CD4+CD25+Foxp3 o células Tr1. Resultados esperados: Pensamos que el tratamiento de los animales que desarrollan AIC con CD semimaduras (por el tratamiento con TE y CpG), serán capaces de migrar a los órganos linfaticos y secretar TGF-be(inductora de células T reg), IL-10 (inductoras de células Tr1), IDO inhibitoria de la respuesta de Li T y promotor de células T reg, también podría generarse una respuesta Th2 (por la presencia de antígenos del parásito), y estas respuestas aisladas o en forma sinérgica podrían inhibir las respuestas de tipo Th17 y Th1 asociadas a la patología en esta enfermedad. Importancia del proyecto: En el desarrollo de la artritis existe un aumento de la inmunidad mediada por células, asi como de la respuesta inmune humoral hacia componentes de la matriz del cartílago. El tratamiento convencional de la artritis recae en general en el uso de inmunosupresores no-específicos, los cuales poseen una variedad de efectos adversos y la inhibición de la respuesta inflamatoria no es específica. En este proyecto proponemos el uso de CD tratadas con antígenos del helminto F. hepatica y CpG ligando Tol que capacita a estas células para generar una respuesta adaptativa de tipo regulatoria, útil en la inhibición de las respuestas inflamatorias como la que ocurre durante la progresión de artritis reumatoidea en un modelo experimental en ratones. We have shown that F. hepatica Ags-treated dendritic cells (DC) together with a TLRl ligand (CpG-ODN) produce high levels of anti-inflammatory cytokines (IL-10 and TGF-Beta) and low of proinflammatory cytokines (TNF, IL-6, IL -12). Hypothesis: The semimature phenotype achieved by DC, could be used to reduce inflammation in a model of autoimmune disease. The high production of IL-10 and TGF-Beta by these cells could directly or through the induction of T reg cells inhibit the inflammatory response. Objective: In this project we propose the immunization of DBA1 / j mice, susceptible to the development of collagen-induced arthritis (CIA) with F. hepatica-treated DC in conjunction with CpG-ODN to reduce clinical signs of disease. Materials: In our laboratory, we developed the CIA model by two immunizations of DBA1 / j mice with bovine type II collagen and Freund's adjuvant. The model allowed to stablish a clinical index by swelling in the legs of animals. Twelve days after the first immunization the animals are injected with DC treated with: 1. PBS 2. F.hepatica Extract (TE) + CII, 3. CpG + CII, 4. TE + CpG + CII Macroscopic observation will take place daily from 7 days of the 2nd immunization. After sacrifice the joints of the legs will be prepared for histological analysis. Serum levels of IgG1 antibodies (Th2 profile) and IgG2a (Th1 profile) will be detected by ELISA. It will also detected the cytokine profile in draining lymph nodes by ELISA and additionally the cell populations of regulatory T cells (Treg) CD4 + CD25 + Foxp3 or Tr1 cells. Expected results: We believe that the treatment of animals that had developed CIA with DC will be able to migrate to lymphatic organs and secrete TGF-B (T reg cell-inducing), IL-10 (inducing Tr1 cells), IDO (inhibitory of T cells and inducing of T reg cells) could alone or in synergy inhibit Th17-type responses and Th1 associated with the pathology in this disease.

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Zugl.: Magdeburg, Univ., Fak. für Informatik, Diss., 2011

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Statin treatment in association with physical exercise practice can substantially reduce cardiovascular mortality risk of dyslipidemic individuals, but this practice is associated with myopathic event exacerbation. This study aimed to present the most recent results of specific literature about the effects of statins and its association with physical exercise on skeletal musculature. Thus, a literature review was performed using PubMed and SciELO databases, through the combination of the keywords “statin” AND “exercise” AND “muscle”, restricting the selection to original studies published between January 1990 and November 2013. Sixteen studies evaluating the effects of statins in association with acute or chronic exercises on skeletal muscle were analyzed. Study results indicate that athletes using statins can experience deleterious effects on skeletal muscle, as the exacerbation of skeletal muscle injuries are more frequent with intense training or acute eccentric and strenuous exercises. Moderate physical training, in turn, when associated to statins does not increase creatine kinase levels or pain reports, but improves muscle and metabolic functions as a consequence of training. Therefore, it is suggested that dyslipidemic patients undergoing statin treatment should be exposed to moderate aerobic training in combination to resistance exercises three times a week, and the provision of physical training prior to drug administration is desirable, whenever possible.

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fMRI, color, colour, velocity, speed, contrast, cone contrast, V1, V4, hV4, MT, MT+, V3A, BOLD, Retinotopic Mapping, Contrast Response Function

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Music and Healing, African Music, Music therapy, Healing Rituals, Kenyan Music

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Magdeburg, Univ., Fak. für Natuwiss., Diss., 2009

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Metamysidopsis atlantica elongata (Bascescu, 1968) is a common mysid in the surf zone of sandy beaches from the state of Rio Grande do Sul, Brazil, where it is frequently recorded forming dense aggregations. Trough laboratory trials, behavioral responses to salinity (10, 20, 25, 28, 30, 40 e 45), temperature (10, 15, 20, 30±1ºC) and light (yes/no) were tested using adult males, adult females and juveniles. Although there was no response to temperature, the species showed clear response to salinity and light. In the presence of light, organisms remained in the bottom of the aquaria, but moved to surface when bottom salinities were increased. In the absence of light, adults moved to the surface. However, juveniles moved down to or remained on the bottom, maybe as a response to avoid adult predation.

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Adult normal inbred mice rendered tolerant to OVA by previous oral exposure do not respond to intraperitonela immunization with DNP-OVA in adjuvant. These tolerant mice also form less DNP-specific antibodies to DNP-KLH when immunized with mixtures of DNP-KLH and DNP-OVA, or less HGG-specific antibodies when immunized with cross-linked conjugates of OVA and HGG. These same procedures increased DNP-specific or HGG-specific responses in non-tolerant control mice. The cross-supperssion was ineffective, however, to inhibit already ongoing antibody responses.

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Inflammation can promote or inhibit cancer progression. In this study we have addressed the role of the proinflammatory cytokine thymic stromal lymphopoietin (TSLP) during skin carcinogenesis. Using conditional loss- and gain-of-function mouse models for Notch and Wnt signaling, respectively, we demonstrate that TSLP-mediated inflammation protects against cutaneous carcinogenesis by acting directly on CD4 and CD8 T cells. Genetic ablation of TSLP receptor (TSLPR) perturbs T-cell-mediated protection and results in the accumulation of CD11b(+)Gr1(+) myeloid cells. These promote tumor growth by secreting Wnt ligands and augmenting β-catenin signaling in the neighboring epithelium. Epithelial specific ablation of β-catenin prevents both carcinogenesis and the accumulation of CD11b(+)Gr1(+) myeloid cells, suggesting tumor cells initiate a feed-forward loop that induces protumorigenic inflammation.