Results: 467

TMPYP4 exerted antitumor effects in human cervical cancer cells through activation of p38 mitogen-activated protein kinase

Biol. Res; 50 (), 2017
BACKGROUND: The aim of the present study was to investigate the potential effects of the 5,10,15,20-tetrakis (1-methylpyridinium-4-yl) porphyrin (TMPyP4) on the proliferation and apoptosis of human cervical cancer cells and the underlying mechanisms by which TMPyP4 exerted its actions. RESULTS: After hum...

Doxetacel, el nuevo paradigma en el tratamiento de primera línea del cáncer de próstata metastásico

Rev. chil. urol; 82 (2), 2017
Introducción. En este comunicado se resume el estado actual de la quimioterapia con docetaxel (DTX) como tratamiento de primera línea en pacientes con un cáncer de próstata metastásico (CPM) basado en los ensayos clínicos que investigan los resultados oncológico con este novedoso tratamiento. Mat...

A polysaccharide fraction extracted from Pleurotus ostreatus mycelial biomass inhibit Sarcoma 180 tumor

An. acad. bras. ciênc; 89 (3,supl), 2017
ABSTRACT Fungi of Pleurotus genus have attracted a great interest due to their medicinal properties such as anti-inflammatory, antimicrobial and antitumor. These properties are attributed mainly to polysaccharides synthesized by Pleurotus. This work aimed to study the mycelial growth of P. ostreatus in s...

Properties of realgar bioleaching using an extremely acidophilic bacterium and its antitumor mechanism as an anticancer agent

Biol. Res; 50 (), 2017
Realgar is a naturally occurring arsenic sulfide (or Xionghuang, in Chinese). It contains over 90% tetra-arsenic tetrasulfide (As4S4). Currently, realgar has been confirmed the antitumor activities, both in vitro and in vivo, of realgar extracted using Acidithiobacillus ferrooxidans (A. ferrooxidans). Bi...

Informe de evaluación científica basada en la evidencia disponible: tumor de estroma gastrointestina
Scientific evaluation report based on available evidence: gastrointestinal stromal tumor

INTRODUCCIÓN: Los tumores mesenquimatosos del tracto gastrointestinal más frecuentes son los del estroma gastrointestinal (GIST). Se localizan preferentemente en el estómago y el intestino delgado, aunque pueden desarrollarse en cualquier lugar del aparato digestivo e incluso fuera de él. Son origi...

Risk prediction and impaired tactile sensory perception among cancer patients during chemotherapy

ABSTRACT Objectives: to estimate the prevalence of impaired tactile sensory perception, identify risk factors, and establish a risk prediction model among adult patients receiving antineoplastic chemotherapy. Method: historical cohort study based on information obtained from the medical files of 127 pa...

Adesão de pacientes ao tratamento com antineoplásicos orais: fatores influentes

Objetivo avaliar a adesão de pacientes aos tratamentos antineoplásicos orais e identificar os fatores que a influenciam. Método estudo quantitativo, prospectivo, de delineamento não experimental, realizado entre julho de 2013 e janeiro de 2014, em um hospital oncológico no interior do estado de Min...

Efecto citotóxico de los compuestos de inclusión de paladio (II) en la beta-ciclodextrina

Biomédica (Bogotá); 36 (4), 2016
Resumen Introducción. Las tiosemicarbazonas y sus complejos de paladio (II) poseen actividad antineoplásica con pocos efectos secundarios, por lo cual se las considera como una nueva alternativa terapéutica. Sin embargo, existen diferencias en los rangos de la concentración inhibitoria media (CI50) ...

Sarcopenia and chemotherapy-mediated toxicity

Einstein (Säo Paulo); 14 (4), 2016
ABSTRACT This narrative review focuses on the role of sarcopenia and chemotherapy-induced toxicity in cancer patients. Consistent evidence shows that sarcopenia in cancer patients leads to decreased overall survival by influencing treatment discontinuation and dose reduction. Therefore, sarcopenia should...

Current applications and different approaches for microbial L-asparaginase production

Braz. j. microbiol; 47 (supl.1), 2016
ABSTRACT L-asparaginase (EC 3.5.1.1) is an enzyme that catalysis mainly the asparagine hydrolysis in L-aspartic acid and ammonium. This enzyme is presented in different organisms, such as microorganisms, vegetal, and some animals, including certain rodent's serum, but not unveiled in humans. It can be us...