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Nathan Goodyear

Cristina Sanchez | Complutense University of Madrid, Madrid | UCM | Department of Bioch... - 0 views

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    Cristin sanchez publications in the use of cannabinoids in cancer.
Nathan Goodyear

Broad targeting of angiogenesis for cancer prevention and therapy - 0 views

  • vascular endothelial growth factor (VEGF), fibroblast growth factor-2 (FGF-2), interleukin-8 (IL-8), placental growth factor (PlGF), transforming growth factor-beta (TGFbeta), platelet derived growth factor (PDGF), angiopoietins (Angs) and others (reviewed in [4])
  • The switch may also involve down-regulation of endogenous inhibitors of angiogenesis such as endostatin, angiostatin or thrombospondin (reviewed in [5]) and has thus been regarded as the result of tipping the net balance between positive and negative regulators
  • There is a complex interrelationship between tumor hypoxia and tumor angiogenesis
  • ...17 more annotations...
  • chronic hypoxia
  • acute hypoxia
  • Environmental stress as a result of low oxygen and proper nutrient deprivation, such as glucose deprivation, are capable of inducing VEGF mRNA stabilization resulting in increased levels of the secreted ligand and angiogenic growth
  • HIFalpha subunits accumulate in the cytoplasm where they bind HIFbeta to form a heterodimer that subsequently translocates to the nucleus to activate transcription of target genes, including genes important for various processes such as metabolism (glucose transporter (GLUT)-1, hexokinase (HK)-1), cell growth (cyclin (CCN)-D1 [23]) and also angiogenesis, such as erythropoietin, VEGF and PDGF [24] (summarized in Fig. 1)
  • When oxygen levels are low (hypoxia; red arrow) PHDs cannot hydroxylate HIFalphas thereby allowing them to escape pVHL-mediated degradation. HIFalpha subunits accumulate and bind to their heterodimeric partner, HIFbeta, translocate into the nucleus and activate a cascade of hypoxic signaling first by the transcription of various target genes including microRNAs that are important for tumor promoting pathways
  • c-Src is also capable of activating HIFs by indirectly inhibiting PHD activity via the NADPH oxidase/Rac pathway.
  • mTOR can also promote stabilization and HIF transcriptional activity
  • hypoxia inducible factors (HIFs), heterodimeric transcription factors composed from alpha and beta subunits, which can be rapidly stabilized to fluidly adapt to and overcome the effects of a hypoxic environment
  • Curcumin inhibits the expression of epidermal growth factor receptor (EGFR), VEGFR-1, VEGFR-2 and VEGFR-3, and the kinase activity of Src and FAK, which are responsible for the induction of angiogenic genes as well as endothelial cell polarity and migration
  • Curcumin also reduces the MMP-2 and MMP-9 expression, along with the suppression of growth and invasion potential of tumor cells in culture and xenograft experiments
  • The expression of angiogenic biomarkers COX-2 and serum levels of VEGF were significantly reduced in the curcumin-treated group
  • Resveratrol inhibits capillary endothelial cell growth and new blood vessel growth in animals
  • interrupting cell proliferation, inducing apoptosis
  • [155] and impeding angiogenesis by suppressing VEGF expression through down-regulation of HIF-1alpha
  • resveratrol was reported to inhibit cell proliferation of human ovarian cancer cells and human osteosarcoma cells by attenuating HIF-1alpha
  • prevents cytokine-induced vascular leakage and tumor metastasis
  • The underlying molecular mechanisms include: blocking VEGF- and FGF-receptor-mediated MAPK activation, inhibiting Akt- and MAPK-driven HIF-1alpha basal expression and its induction by IGF-1, stimulating the proteasomal degradation of HIF-1alpha, inhibiting phosphatidyl inositol (PI)-3K/Akt and Ras/mitogen/extracellular signal-regulated kinase (MEK)/ERK pathways, and activation of forkhead box (FOX)O transcription factors
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    natural compounds to attach cancer explained.
Nathan Goodyear

[Post-operative suppression of natural killer activity] | Request PDF - 0 views

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    Surgery found to decrease NK cell activity out to 14 days.
Nathan Goodyear

(PDF) Does the mobilization of circulating tumour cells during cancer therapy cause met... - 0 views

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    Chemotherapy induced metastasis. It does happen.
Nathan Goodyear

(PDF) Artesunate Attenuates Pro-Inflammatory Cytokine Release from Macrophages by Inhib... - 0 views

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    To be read
Nathan Goodyear

Antimalarial artesunate protects sepsis model mice against heat-killed Escherichia coli... - 0 views

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    Artesunate inhibits TLR-4 expression to block LPS induced pro-inflammatory response.
Nathan Goodyear

Suppression of chemotherapy-induced cytokine/lipid mediator surge and ovarian cancer by... - 0 views

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    COX2 inhibition used to counter chemotherapy induced cytokine storm metastasis.
healthwiseindian

Diet tips for healthy weight loss - 0 views

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    Weight loss is an important topic of worry. Not all kinds of dieting practices are helpful in achieving a healthy weight loss. Follow the advice of Dr. Binita who has compiled a comprehensive study about weight loss. At Healthwise Indian, we help in giving health guidance to people in order to improve their lifestyle.
Nathan Goodyear

Vitamin C inhibits NO-induced stabilization of HIF-1alpha in HUVECs | Request PDF - 0 views

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    Only abstract available. NO increases accumulation of HIF-1alpha and Loading of the cells with vitamin C counteracted NO-induced HIF-1alpha accumulation. It is the HIF-1alpha and HIF-1beta combination that will change genetic expression (epigenetics)
Nathan Goodyear

(PDF) Hyperthermia Sensitizes Glioma Stem Cells to Radiation by Inhibiting AKT - 0 views

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    Hyperthermia increases radio sensitivity of cancer through inhibition of Akt.
Nathan Goodyear

Improved liver function after high dose intravenous vitamin C and Helxior SC injections... - 0 views

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    HDIVC plus mistletoe SQ improved and stabilized a patient with advanced hepatocellular carcinoma.
Nathan Goodyear

Metronomic Chemotherapy in Non-Small-Cell Lung Cancer | Request PDF - 0 views

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    LDMC effect in lung cancer via its Antiangiogenic and anti immunosuppressive effects.
Nathan Goodyear

Low triiodothyronine syndrome as a predictor of poor outcomes in patients undergoing br... - 0 views

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    Low T3 poor predictor pre-surgery for those with brain tumor.
Nathan Goodyear

Natural products as important tyrosine kinase inhibitors - 0 views

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    Good review of some natural products that have been shown to inhibit tyrosine kinase activity.
Nathan Goodyear

Curcumin Attenuates Cr(VI)-Induced Ascites and Changes in the Activity of Aconitase and... - 0 views

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    Curcumin decreased ascites formation
Nathan Goodyear

Reducing malignant ascites accumulation by repeated intraperitoneal administrations of ... - 0 views

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    Intra-peritoneal v. Mali used to treat malignant ascites.
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