Front Biosci (Elite Ed)
January 2012
Evidence suggests that immunological response in chronic inflammation is dynamic, oscillating between active immunity and tolerance. We hypothesized that a similar dynamic exists in melanoma and administration of therapy during a unique phase of such oscillation could impact clinical outcome. Patients with metastatic melanoma eligible to undergo temozolomide underwent serial measurements of C-reactive protein (CRP) and immune biomarkers every 2-3 days for 2 weeks before starting therapy.
View Article and Find Full Text PDFPurpose: Metastatic melanoma, a highly vascularized tumor with strong expression of vascular endothelial growth factor, has an overall poor prognosis. We conducted a placebo-controlled, double-blind phase II study of carboplatin plus paclitaxel with or without bevacizumab in patients with previously untreated metastatic melanoma.
Patients And Methods: Patients were randomly assigned in a two-to-one ratio to carboplatin (area under the curve, 5) plus paclitaxel (175 mg/m(2)) and bevacizumab (15 mg/kg; CPB) or placebo (CP) administered intravenously once every 3 weeks.
Follicular lymphoma is characterized by a highly variable clinical course ranging from early transformation and disease-related mortality to prolonged periods of disease stability or even spontaneous remissions. This clinical heterogeneity is likely explained by differences in the tumor microenvironment, including variable infiltration by monocyte-derived cells. Therefore, we examined the absolute monocyte count obtained from a standard complete blood count with differential at the time of diagnosis as a prognostic factor in a cohort of patients with follicular lymphoma (n = 355) treated at a single institution between 1998 and 2007.
View Article and Find Full Text PDFMelanoma is an immunogenic tumor that has developed methods to successfully evade immune recognition, while paradoxically spreading through the lymphatic system. Increasing evidence supports that melanoma-derived factors suppress regional immunity within the host. At a very early stage, melanoma communicates with the tumor-draining lymph nodes, and prepares them for seeding of metastatic disease by stimulating lymphangiogenesis and downregulation of the sentinel lymph node immunity well before the malignant cells arrive.
View Article and Find Full Text PDFIntroduction: Pseudo-Bartter syndrome encompasses a heterogenous group of disorders similar to Bartter syndrome. We are presenting an infant with pseudo-Bartter syndrome caused by congenital chloride diarrhoea.
Case Outline: A male newborn born in the 37th gestational week (GW) to young healthy and non-consanguineous parents.
Background: Lymphopenia and tumor-associated macrophages are negative prognostic factors for survival in classical Hodgkin's lymphoma. We, therefore, studied whether the peripheral blood absolute lymphocyte count/absolute monocyte count ratio at diagnosis affects survival in classical Hodgkin's lymphoma.
Design And Methods: We studied 476 consecutive patients with classical Hodgkin's lymphoma followed at the Mayo Clinic from 1974 to 2010.
The worldwide incidence of malignant melanoma has been increasing during the past decade and is a public health concern because this disease accounts for up to 90% of deaths from cutaneous malignancies. It remains a devastating disease with few therapeutic options once in an advanced stage. Current methods of detection, prognostication, and monitoring of melanoma focus on clinical, morphologic, and histopathologic characteristics of measurable tumor.
View Article and Find Full Text PDFThe antioxidative, antimicrobial and antiproliferative potentials of the methanol extracts of the lichen species Parmelia sulcata, Flavoparmelia caperata, Evernia prunastri, Hypogymnia physodes and Cladonia foliacea were evaluated. The total phenolic content of the tested extracts varied from 78.12 to 141.
View Article and Find Full Text PDFBilateral diffuse uveal melanocytic proliferation (BDUMP) is a rare paraneoplastic syndrome associated with gynecologic malignancies in women and pancreatic or lung carcinomas in men. The clinical presentation consists of the rapid onset of decreased visual acuity due to bilateral serous retinal detachment and cataracts. Pathologically, there is diffuse uveal thickening and proliferation of uveal melanocytes.
View Article and Find Full Text PDFThis study deals with total phenolic content, antiproliferative and proapoptotic activity of methanolic extracts from different Teucrium species and the effect on the prooxidant/antioxidant status in HCT-116 cells. The total phenolic content of the extracts was measured spectrophotometricaly and the obtained results ranged from 56.62 mg/g to 172.
View Article and Find Full Text PDFThe reaction of K(2)PtCl(4) with the alkylating agent mechlorethamine hydrochloride, at a molar ratio of 1:2, results in the formation of 2-chloro-N-(2-chloroethyl)-N-methylethylammonium-tetrachloridoplatinate(II) complex. The hydrolytic activity of the novel Pt(II) complex was tested in the reaction with N-acetylated L-histidylglycine dipeptide at a molar ratio 1:1. It was shown that the hydrolytic reaction, performed at 60 °C in acidic medium, leads to the regioselective cleavage of the amide bond involving the carboxylic group of histidine.
View Article and Find Full Text PDFNeurotransmission depends on the exo-endocytosis of synaptic vesicles at active zones. Synaptobrevin 2 [also known as vesicle-associated membrane protein 2 (VAMP2)], the most abundant synaptic vesicle protein and a major soluble NSF attachment protein receptor (SNARE) component, is required for fast calcium-triggered synaptic vesicle fusion. In contrast to the extensive knowledge about the mechanism of SNARE-mediated exocytosis, little is known about the endocytic sorting of synaptobrevin 2.
View Article and Find Full Text PDFA phase 2 study of the oral farnesyltransferase inhibitor tipifarnib was conducted in 93 adult patients with relapsed or refractory lymphoma. Patients received tipifarnib 300 mg twice daily on days 1-21 of each 28-day cycle. The median number of prior therapies was 5 (range, 1-17).
View Article and Find Full Text PDFThus far, peptide vaccines used to stimulate tumor-specific immune responses in patients with melanoma have been largely unsuccessful. Granulocyte-macrophage colony-stimulating factor and interleukin-2 are immune-potentiating cytokines that have improved vaccine responses in preclinical models. We hypothesized that higher doses of granulocyte-macrophage colony-stimulating factor and addition of low-dose interleukin-2 might augment responses to vaccine antigens.
View Article and Find Full Text PDFPhase composition, crystal structure and morphology of biological hydroxyapatite (BHAp) extracted from human mandible bone, and carbonated hydroxyapatite (CHAp), synthesized by the chemical precipitation method, were studied by x-ray powder diffraction (XRD), Fourier transform infrared (FTIR) and Raman (R) spectroscopy techniques, combined with transmission electron microscopy (TEM). Structural and microstructural parameters were determined through Rietveld refinement of recorded XRD data, performed using the FullProf computing program, and TEM. Microstructural analysis shows anisotropic extension along the [00l] crystallographic direction (i.
View Article and Find Full Text PDFCurrently, no data from randomized controlled clinical trials are available to guide the depth of resection for intermediate-thickness primary cutaneous melanoma. Thus, we hypothesized that substantial variability exists in this aspect of surgical care. We have summarized the literature regarding depth of resection and report the results of our survey of surgeons who treat melanoma.
View Article and Find Full Text PDFBackground: Percutaneous coronary intervention with stent implantation is limited by the occurrence of re-stenosis and the risk of stent thromboses.
Objective: To define the impact of paclitaxel-coated balloon angioplasty plus endothelial progenitor cell capturing (EPC) stent implantation in de novo coronary artery disease. This combination may reduce neointimal proliferation within the EPC stent and address the risk of stent thrombosis by facilitating rapid endothelialisation.
Despite the use of modern immunochemotherapy regimens, almost 50% of patients with diffuse large-B-cell lymphoma will relapse. Current prognostic models, including the International Prognostic Index, incorporate patient and tumor characteristics. In contrast, recent observations show that variables related to host adaptive immunity and the tumor microenvironment are significant prognostic variables in non-Hodgkin lymphoma.
View Article and Find Full Text PDFThe infused stem cell autograft in autologous stem cell transplantation (ASCT) has been viewed mainly as hematologic rescue from the myelosuppressive side effect of conditioning regimens. However, recent reports have shown that the immune effector cells collected at the same time as the stem cells can produce an autologous graft-versus-tumor effect, similar to the graft-versus-tumor effect seen in allogeneic stem cell transplantation without the detrimental effects of graft-versus-host disease. In this article, we review the different immune effector cells collected and infused from the stem cell autograft and their association with clinical outcome post-ASCT, suggesting that ASCT can be viewed not only as a therapeutic maneuver to recover bone marrow function after deliver high-dose chemotherapy, but also as an adoptive immunotherapeutic intervention capable of eradicating residual tumor cells in patients with cancer.
View Article and Find Full Text PDFStimulated erythropoiesis and reticulocytosis can be induced by daily bleeding, or by phenylhydrazine (PHZ) treatment. We compared the in vivo effects of PHZ and bleeding treatment on haematological, energy and redox status parameters in red blood cells (RBC) of rats. The results showed that all followed haematological parameters were significantly lower in bleeding, compared to PHZ-treated rats.
View Article and Find Full Text PDFIntroduction: Psychomotor re-education represents a multidimensional therapeutic approach in dealing with children and adults with psychomotor disorders. Therapeutic programs should be based on individual differences, abilities and capabilities, relationships, feelings and individual developmental needs as well as emotional condition of a child. BODY AND MOVEMENT AS THE Bases OF THE TREATMENT: A movement, glance, touch, voice and word, all being an integral part of a process of psychomotor re-education, are used with a purpose of helping children to discover their own body, their feelings, needs, behaviour.
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