UMLS:C0242379 - FACTA Search

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Query: UMLS:C0242379 (lung cancer)
71,905 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Interleukins IL-1beta, IL-6 and TNF are increased in plasma of patients with severe infections and septic shock. Our objective was the evaluation of IL-1beta, IL-6 and TNF in plasma and exudates of pleural fluid and their contribution to the diagnosis. We studied 44 patients, 27 men and 17 women with mean age 66.81 +/- 11.75 years; 16 with pneumonia and parapneumonic effusion, 14 with primary lung cancer and pleural effusion and 14 with tuberculous pleuritis. We measured IL-1beta, IL-6 and TNF in serum and pleural fluid with ELISA. In patients with pneumonia and parapneumonic effusion the mean value of IL-1beta IL-6 and TNF in plasma was 9.05, 19.24 and 21.34 pg/ml and in pleural fluid 10.34, 32.19 and 25.30 pg/ml. In patients with lung cancer the mean values of IL-1beta, IL-6 and TNF were 5.33, 11.74 and 11.51 pg/ml and 6.70, 13.13, 20.89 pg/ml, respectively. In those with tuberculous pleuritis the respective mean values were 10.33, 49.94, 21.27 pg/ml and 14, 56.59, 23.58 pg/ml. In conclusion, IL-1beta and IL-6 were found increased in plasma and tuberculous pleural fluid, indicating an inflammatory status.
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PMID:Interleukin -1beta (IL-1 beta), interleukin 6 (IL-6) and tumor necrosis factor (TNF) in plasma and pleural fluid of pneumonia, lung cancer and tuberculous pleuritis. 1808 54

Gene transfer of Fas ligand (FasL) to tumor cells has been demonstrated to inhibit tumor growth in vivo, and neutrophils are primarily responsible for this immunoprotection. The granulocyte-macrophage colony stimulating factor (GM-CSF) secreted by tumor vaccine can recruit dendritic cells (DCs) for efficient antigen presentation to T cells that generate the tumor-specific response. To investigate whether the combination of FasL and GM-CSF can efficiently suppress tumor growth, we have established Lewis lung carcinoma (LLC-1) cells that are transduced with GM-CSF (LLC/GM-CSF), FasL (LLC/FasL) or both genes (LLC/FasL/GM-CSF) to test their tumorigenic potential in vivo. Mice inoculated with LLC/GM-CSF display high survival rates along with reduction of tumor growth. In contrast, none of the mice injected with LLC/FasL or LLC/FasL/GM-CSF develop tumors. Specific memory immune response and delayed LLC-1 tumor growth are found in mice immunized with LLC-1/FasL or LLC-1/FasL/GM-CSF. Furthermore, therapeutic effects are observed only when LLC-1/FasL/GM-CSF tumor vaccine is employed to retard growth of preexisting LLC-1 tumors. Tumor growth is also completely suppressed in mice injected with a mixture of LLC-1 and LLC-1/FasL/GM-CSF. In addition, IL-12 production, cytotoxic T-cell activity and IgG against LLC-1 are manifested in mice injected with LLC/FasL/GM-CSF. Our data show that FasL-induced pathway triggers expression of proinflammatory cytokines, including IL-1 beta, IL-6, MIP-2 and MCP-1, while GM-CSF-dependent pathway promotes functional maturation and activation of DCs. Taken together, the results indicate that dual gene-based delivery with FasL and GM-CSF may serve as a more effective tumor vaccine to suppress lung cancer cell growth in vivo.
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PMID:Combination of Fasl and GM-CSF confers synergistic antitumor immunity in an in vivo model of the murine Lewis lung carcinoma. 1838 91

Cancer is primarily a disease of old age, and that life style plays a major role in the development of most cancers is now well recognized. While plant-based formulations have been used to treat cancer for centuries, current treatments usually involve poisonous mustard gas, chemotherapy, radiation, and targeted therapies. While traditional plant-derived medicines are safe, what are the active principles in them and how do they mediate their effects against cancer is perhaps best illustrated by curcumin, a derivative of turmeric used for centuries to treat a wide variety of inflammatory conditions. Curcumin is a diferuloylmethane derived from the Indian spice, turmeric (popularly called "curry powder") that has been shown to interfere with multiple cell signaling pathways, including cell cycle (cyclin D1 and cyclin E), apoptosis (activation of caspases and down-regulation of antiapoptotic gene products), proliferation (HER-2, EGFR, and AP-1), survival (PI3K/AKT pathway), invasion (MMP-9 and adhesion molecules), angiogenesis (VEGF), metastasis (CXCR-4) and inflammation (NF-kappaB, TNF, IL-6, IL-1, COX-2, and 5-LOX). The activity of curcumin reported against leukemia and lymphoma, gastrointestinal cancers, genitourinary cancers, breast cancer, ovarian cancer, head and neck squamous cell carcinoma, lung cancer, melanoma, neurological cancers, and sarcoma reflects its ability to affect multiple targets. Thus an "old-age" disease such as cancer requires an "age-old" treatment.
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PMID:Curcumin and cancer: an "old-age" disease with an "age-old" solution. 1846 66

Previous studies have shown that interleukin-24 (IL-24; mda-7) as a novel tumor suppressor gene has tumor-suppressive activity against a broad spectrum of human cancers. However, the therapeutic effect of the recombinant human IL-24 (rhIL-24) protein purified from prokaryotic cells on human lung cancers has not been reported. In this study, we cloned the human gene coding for IL-24 from lipopolysaccharide-activated human peripheral blood mononuclear cells (PBMCs) by reverse-transcriptase polymerase chain reaction and constructed an expression vector pBV220-IL-24. We then transfected Escherichia coli DH5alpha with pBV220-IL-24. The soluble rhIL-24 was obtained from purified insoluble inclusion bodies of transfected cells by a denaturing and renaturing process. We demonstrated that the purified soluble rhIL-24 protein with 18.5 kappaDa was capable of (1) inducing in vitro apoptosis of A549 lung carcinoma cells; (2) activating PBMCs to secrete cytokines such as IL-6, tumor necrosis factor-alpha, and interferon-gamma; (3) inhibiting the formation of blood capillaries on chicken embryonic allantois and in vivo tumor angiogenesis; and (4) inhibiting A549 lung tumor cell growth in vitro and in vivo. Therefore, our results indicate its potent suppressive effect on human lung carcinoma cell line and warrant its further investigation for therapeutic application against human lung cancer.
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PMID:Recombinant human IL-24 suppresses lung carcinoma cell growth via induction of cell apoptosis and inhibition of tumor angiogenesis. 1859 64

Dendritic cells (DCs) are important cells in initiating an immune response. A generation of functional DCs has potential clinical use in treating cancer. However, the source of DCs and patient immunodeficiency with cancer have been hindrances in clinical therapy. We generated DCs from human umbilical cord blood mononuclear cells (UBMCs) with recombinant human granulocyte-macrophage colony stimulating factor, recombinant human interleukin-4, and recombinant human tumor necrosis factor-alpha. The mature DC-A549 lung cancer vaccine (AgL-DC) was prepared through loading A549 lysate, treating with lipopolysaccharide (LPS) and positive selecting with CD83 magnetic beads. AgL-DC can secrete interleukin (IL)-12 and IL-1. Further in vitro analysis showed that AgL-DC notably induced human UBMC lymphocyte proliferation (p < 0.01) by 3-(4,5-dimethylthiazol-z-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, increased the cytotoxic T-lymphocyte (CTL) activity of UBMC lymphocytes against A549 cells (p < 0.05, at effector cells:target cells ratios of 50:1 and 100:1) by lactate dehydrogenase (LDH) cytotoxic assay, and improved production of IL-6 and tumor necrosis factor-beta (p < 0.01, p < 0.05) by enzyme-linked immunosorbent assay. Subsequently, the reconstitute immunity model in severe combined immunodeficiencies (SCID) mice has been established using human UBMC transplantation, and similar trends to results of UBMC in vitro experiments have been shown in lymphocyte proliferation, CTL activity, and IL-6 and tumor necrosis factor-beta secretion levels in these models. AgL-DC also significantly (p < 0.01) increased the antitumor effect in vivo. The tumor infiltrating immunocytes were positively expressed human CD83 and CD3 molecules, and they were negatively expressed in tumor tissue treated with control. These results have demonstrated that umbilical cord DCs are a useful source of vaccine cells for augmenting CTL-mediated cytotoxicity and have potential usefulness in cellular therapy for human cancer in a new vaccination strategy.
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PMID:Antitumor effect of lung cancer vaccine with umbilical blood dendritic cells in reconstituted SCID mice. 1859 65

MuS110 is a BiTE antibody bispecific for murine EpCAM (CD326) and murine CD3. A recent study has shown that microS110 has significant anti tumor activity at well-tolerated doses as low as 5 microg/kg in orthotopic breast and lung cancer models (Amann et al. in Cancer Res 68:143-151, 2008). Here, we have explored the safety profile of microS110 at higher doses. Escalation to 50 microg/kg microS110 caused in mice transient loss of body weight, and transient piloerection, hypomotility, hypothermia and diarrhoea. These clinical signs coincided with serum peaks of TNF-alpha, IL-6, IL-2, IFN-gamma and IL-4, and an increase of surface markers for T cell activation. Because activation of T cells in response to BiTE antibodies is typically dependent on target cells, we analyzed mouse blood for the presence of EpCAM(+) cells. Various mouse strains presented with a subpopulation of 2-3% EpCAM(+) blood cells, mostly B and T lymphocytes, which was not detected in human blood samples. In vitro experiments in which the number of EpCAM(+) cells in blood samples was either reduced or increased suggested that both T cell activation and cytokine release in response to microS110 was dependent on the number of target-expressing cells. In support for a role of EpCAM(+) lymphocytes in the observed side effects, reduction of EpCAM(+) blood cells in mice via a low-dose pre treatment with microS110 dramatically increased the tolerability of animals up to at least 500 microg/kg of the BiTE antibody. This high tolerability to microS110 occurred in the presence of non-compromised T cells. No damage to EpCAM(+) epithelial tissues was evident from histopathological examination of animals daily injected with 100 microg/kg microS110 for 28 days. In summary, these observations suggest that side effects of microS110 in mice were largely caused by an acute T cell activation that was triggered by a subpopulation of EpCAM(+) lymphocytes. Because humans have extremely low numbers of EpCAM(+) cells in blood, this toxicity of an EpCAM-specific BiTE may be specific for mice.
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PMID:Therapeutic window of an EpCAM/CD3-specific BiTE antibody in mice is determined by a subpopulation of EpCAM-expressing lymphocytes that is absent in humans. 1859 18

The cachexia-anorexia syndrome (CACS) is common and important implication of cancer. It occurs in 30% to 80% cancer patients. At the time of diagnosis of lung cancer CACS is not yet very important problem, but the weight loss increases with progression of the cancer. CACS is characterized by anorexia, weight loss, weakness, impaired immune system and metabolic dysfunction. Weight loss is a potent stimulus to food intake in normal humans. The persistence of anorexia in cancer patients, therefore, implies a failure of this adaptive feeding response. The weight loss in patients with CACS differs from that in simple starvation or anorexia nervosa. Most research effort has focused on the role of cytokines as mediators of CACS. The role of TNF-alpha, IL-1 and IL-6 in CACS development has been evaluated and confirmed in many research, but some investigators suggest that the changes in cytokines' levels could be the result rather than the cause of CACS. A few of the latest studies concentrate on the role of nuclear factor kappa B and prevention of CACS by its inhibitors. CACS is an independent predictor of shorter survival and increases the risk of treatment failure and toxicity.
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PMID:[The incidence and pathogenesis of cancer anorexia-cachexia syndrome in lung cancer]. 1900 67

Accumulating evidence suggests a role for inflammation in the development and progression of cancer. Our group recently identified a cytokine gene signature in lung tissue associated with lung cancer prognosis. Therefore, we hypothesized that concentrations of circulating cytokines in serum may be associated with lung cancer survival. Ten serum cytokines, namely, interleukin (IL)-1beta, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12, granulocyte macrophage colony-stimulating factor, interferon (IFN)-gamma, and tumor necrosis factor-alpha, were assessed in 353 non-small cell lung cancer cases from a case-control study of lung cancer in the greater Baltimore, Maryland area. Cytokines were measured using an ultrasensitive electrochemiluminescence immunoassay. IL-6 serum concentrations (>or=4.0 pg/mL) were associated with significantly poorer survival in both African Americans [hazard ratio (HR), 2.71; 95% confidence interval (CI), 1.26-5.80] and Caucasians (HR, 1.71; 95% CI, 1.22-2.40). IL-10 (HR, 2.62; 95% CI, 1.33-5.15) and IL-12 (HR, 1.98; 95% CI, 1.14-3.44) were associated with lung cancer survival only in African Americans. Some evidence for an association of tumor necrosis factor-alpha levels with survival in Caucasians was observed, although these results were not significant. These hypothesis-generating findings indicate that selected serum cytokine concentrations are associated with lung cancer survival, and indicate that further research is warranted to better understand the mechanistic underpinnings of these associations.
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PMID:Serum concentrations of cytokines and lung cancer survival in African Americans and Caucasians. 1912

We established models of cancer-related anemia in mice from subcutaneous inoculation of two IL-6-producing cancer cell lines, human lung cancer cell line LC-06-JCK and murine colon26 clone 5 colon cancer cells. In both models, elevated levels of IL-6 were detected in sera and hemoglobin levels significantly decreased compared with non-tumor-bearing mice. In the LC-06-JCK model, serum albumin levels also decreased with elevated levels of human IL-6 in sera. On the other hand, serum levels of EPO increased, although anemia developed and did not improve. The development of cancer-related anemia was prevented by the administration of a rat anti-mouse IL-6 receptor antibody, MR16-1, in the LC-06-JCK model. It is therefore suggested that IL-6 causes anemia independent of a reduction in EPO levels. Our preclinical models should be useful for exploring new modalities for the treatment of cancer-related anemia.
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PMID:Novel models of cancer-related anemia in mice inoculated with IL-6-producing tumor cells. 1926 63

Thoracic irradiation is a major weapon in the treatment of nonmetastatic primary lung cancer, in particular in patients presenting a locally advanced disease of the mediastinium. Acute radiation pneumonitis (ARP) is one of the main limiting toxicities. The purpose of this work is to sum up the current state of knowledge of the factors of risk of developing ARP. The incidence after conventional irradiation, in patients with non small cell lung cancer (NSCLC) is about 7 to 10% in the moderate although symptomatic forms of ARP and about 1 to 3% in the severe forms. The factors related to the patient, the tumour or treatments prior to the irradiation do not determine any specific risk of ARP besides an age of over 65 years that remains debatable. The validated predictive factors of ARP are mainly related to the irradiation factors (healthy lung volumes irradiated, average dose of irradiation, etc.). Nevertheless, in spite of the adjustment of these parameters, the individual susceptibility to the toxicity of thoracic radiotherapy remains significant, directing current research to the biological markers intrinsic to the patient. In particular, the involvement of early variations of certain cytokines (IL-6, IL-10, TGF-ss) in the occurrence of ARP during irradiation has been suggested and studies are under way to confirm their involvement and determine their role.
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PMID:[Predictive factors for acute radiation pneumonitis]. 1952 9

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