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The fruit of Astrocaryum aculeatum G.Mey. (tucumã) is highly consumed by riverside communities in the Amazonian region. These communities have recently been shown to have increased longevity and reduced prevalence of age-related morbidity. Tucumã, which is locally used in their diet 7b, a novel amonafide analog, has shown high antitumor activity against Raji B-cell lymphoma. We report here that 7b also shows high cytotoxicity against various T lymphoma cells, with the highest IC(50) (concentration for 50% cytotoxicity) value in Jurkat cells. In a previous study, p53-mutant Raji
Inflammation is characterized as a defensive response of our body against endogenous or exogenous stimuli. Chronic inflammation and oxidative stress play an important role in the pathogenesis of various disorders such as asthma, cancers, and multiple sclerosis. Recently, diverse The intraperitoneal injection of phytohemagglutinin in the mouse resulted in the marked accumulation of leukocytes, especially macrophages, in the peritoneal cavity between 8 and 36 h after the injection. Parallel to the accumulation of macrophages, exudation of plasma proteins into the peritoneal
The effect of an acute non-specific inflammatory exudate with mitogenic activity on macrophages in culture has been tested on the spontaneous and PHA-induced DNA synthesis of spleen cells in vitro. Stimulatory effect of this exudate was observed on spontaneous DNA synthesis which was detectable over
To explore the auto-reactive potential of cells infiltrating the gut mucosa in idiopathic chronic inflammatory bowel disease, intestinal lamina propria mononuclear cells (LPMC) were isolated, characterized morphologically and phenotypically, and evaluated for antigen-specific reactivity. The last
BACKGROUND
Anesthesiologists are a population at high risk of alcohol and drug abuse, depression, suicide, and psychiatric hospitalization. The impact of their working milieu on specific immune indices has scarcely been studied, and it is assumed that immune perturbations may contribute to some of
Lymphoid cells (spleen, lymph node and thymus) derived from rats after induction of an acute nonimmunological inflammatory reaction responded to various mitogens (Phytohemagglutinin, PHA; Concanavalin A, Con A; Lipopolysaccharide, LPS) with increased proliferation when compared with cells derived
The aim of the present study was to determine the significance of the lymphocyte transformation test with phyto-hemagglutinin in connection with the degree of inflammatory activity and serological changes. Lymphocyte transformation test with phytohemagglutinin was performed on 46 of the patients
Trauma causes the release of anti-inflammatory factors thought to cause infections by inhibiting T cells. We have found that hypertonic saline (HS) enhances functions of normal T cells. Here we studied if HS can rescue T cells from suppression by costimulating interleukin (IL)-2 production. Human
Inflammatory bowel disease (IBD) may be an immunologically mediated disorder in which T cells are unable to respond appropriately to cell surface-associated antigens. To test this possibility, 37 patients with IBD, 24 with Crohn's disease and 13 with ulcerative colitis who were not being treated
A 3-year-old male with inflammatory bowel disease and hypogammaglobulinemia was found to have decreased T lymphocyte function. His serum was shown to depress normal T cell proliferative responses to phytohemagglutinin. Incorporation of lithium chloride to in vitro cultures enhanced autologous
Topical antifungal agents which have anti-inflammatory effects have the potential to provide additional clinical benefits. Therefore, an anti-inflammatory activity of lanoconazole (LCZ), a topical antifungal agent, was investigated against in vitro and in vivo models of inflammation. The release of
Experiments were carried out to determine whether the growth of tumors could be influenced by local inflammatory reactions induced by mitogens; Gram-negative bacterial lipopolysaccharide (LPS), concanavalin A (Con A) and phytohemagglutinin (PHA). Mice received injections, beneath the footpad or
Obesity has been reported to impair immune functions and lead to low-grade long-term inflammation; however, studies that have investigated the impact of weight loss on these among the young and slightly obese are limited. Thus, we investigated the effect of a 12-week weight management program with