Biological activity - Page 3

Cardenolide Glycosides from Pergularia tomentosa and Their Proapoptotic Activity in Kaposi\'s Sarcoma Cells

Natural Products / Egypt / Pharmacognosy / Medicinal Plants / Cytotoxicity / Apoptosis / Structural Analysis / Biological Sciences / Cell line / Humans / ROOT / Cell Death / Plant Roots / CHEMICAL SCIENCES / Apoptose / Isolation / Liquid Chromatography / Electrospray Ionization Mass Spectrometry / Natural / Asclepiadaceae / Biological activity / Glycosides / Apoptosis / Structural Analysis / Biological Sciences / Cell line / Humans / ROOT / Cell Death / Plant Roots / CHEMICAL SCIENCES / Apoptose / Isolation / Liquid Chromatography / Electrospray Ionization Mass Spectrometry / Natural / Asclepiadaceae / Biological activity / Glycosides

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Bioactive Compounds from Carissa spinarum

Pharmacognosy / Cytotoxicity / Biological Sciences / Phytotherapy / Humans / Virus / Lignans / CHEMICAL SCIENCES / Coumarins / Anti-Bacterial Agents / Plant extracts / Apocynaceae / Biological activity / Cytotoxic / Glycosides / Antiviral Agents / Virus / Lignans / CHEMICAL SCIENCES / Coumarins / Anti-Bacterial Agents / Plant extracts / Apocynaceae / Biological activity / Cytotoxic / Glycosides / Antiviral Agents

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Structural plasticity of a transmembrane peptide allows self-assembly into biologically active nanoparticles

Self Assembly / Membrane Proteins / Nanoparticles / Transmission Electron Microscopy / Confocal Microscopy / Magnetic Resonance Spectroscopy / Multidisciplinary / Humans / Circular Dichroism / Mice / Female / Animals / Peptides / Particle Size / Biological activity / Amino Acid Sequence / Protein Binding / Cell Survival / Magnetic Resonance Spectroscopy / Multidisciplinary / Humans / Circular Dichroism / Mice / Female / Animals / Peptides / Particle Size / Biological activity / Amino Acid Sequence / Protein Binding / Cell Survival

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SiRNA-loaded multi-shell nanoparticles incorporated into a multilayered film as a reservoir for gene silencing

Biomaterials / Tissue Engineering / Scanning Electron Microscopy / Nanoparticles / Atomic Force Microscopy / Multidisciplinary / Gene Silencing / Humans / Surface modification / Osteocalcin / Osteopontin / Calcium Phosphate / Model System / Bone Formation / Biological activity / Osteoblasts / Multidisciplinary / Gene Silencing / Humans / Surface modification / Osteocalcin / Osteopontin / Calcium Phosphate / Model System / Bone Formation / Biological activity / Osteoblasts

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Delta Sleep Response to Metyrapone in Post-Traumatic Stress Disorder

Stress / Neuropsychopharmacology / Electroencephalography / Enzyme Inhibitors / Post traumatic stress disorder / Cortisol / Humans / Male / Veterans / Sleep / Electromyography / Polysomnography / Middle Aged / Repeated Measures / Adult / Adrenocorticotropic Hormone / Indexation / Biological activity / Delta Rhythm / Case Control Studies / Cortisol / Humans / Male / Veterans / Sleep / Electromyography / Polysomnography / Middle Aged / Repeated Measures / Adult / Adrenocorticotropic Hormone / Indexation / Biological activity / Delta Rhythm / Case Control Studies

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Vascular cell responses to polysaccharide materials

Biomaterials / Tissue Engineering / Chitosan / Cell Adhesion / Polysaccharides / Multidisciplinary / Cell Division / Humans / Smooth muscle / Capillaries / Animals / Male / Vascular endothelium / Glycosaminoglycan / Glycosaminoglycans / Rats / Endothelial cell / Granuloma / Cell Proliferation / Biological activity / Vascular Endothelial Function / Biocompatible Materials / Chitin / Cell Size / Multidisciplinary / Cell Division / Humans / Smooth muscle / Capillaries / Animals / Male / Vascular endothelium / Glycosaminoglycan / Glycosaminoglycans / Rats / Endothelial cell / Granuloma / Cell Proliferation / Biological activity / Vascular Endothelial Function / Biocompatible Materials / Chitin / Cell Size

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Cyclopropamitosenes

Organic Chemistry / Medicinal Chemistry / Electrochemistry / Cell Division / Animals / Quinones / Enzyme / Tetrahedron / Medicinal / Mechanism of action / Biological activity / Anti Cancer Drugs / Oxidation-Reduction / Anti Cancer / Quinones / Enzyme / Tetrahedron / Medicinal / Mechanism of action / Biological activity / Anti Cancer Drugs / Oxidation-Reduction / Anti Cancer

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Insecticidal pyrido[1,2-a]azepine alkaloids and related derivatives from Stemona species

Phytochemistry / Magnetic Resonance Spectroscopy / Lepidoptera / Biological Sciences / Insecticides / Pesticide / ROOT / Pesticides / Animals / Bioassay / Alkaloids / Plant Roots / CHEMICAL SCIENCES / PEST / Isolation / Mode of action / Angiosperms / X ray diffraction / Biological activity / Lethal Dose / Structure activity Relationship / Spodoptera littoralis / Molecular Structure / Plant Leaves / Pesticide / ROOT / Pesticides / Animals / Bioassay / Alkaloids / Plant Roots / CHEMICAL SCIENCES / PEST / Isolation / Mode of action / Angiosperms / X ray diffraction / Biological activity / Lethal Dose / Structure activity Relationship / Spodoptera littoralis / Molecular Structure / Plant Leaves

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Macrophage Responses to Silica Nanoparticles are Highly Conserved Across Particle Sizes

Particle Physics / Gene regulation / Electrochemistry / Nanoparticles / Macrophages / Gene expression / Cell line / Mice / Protein Secretion / Silica / Animals / Light / Suspensions / Mode of action / Microarray Analysis / Surface Area / Particle Size / Biological Process / Gene Set Enrichment Analysis / Biological activity / Health Effect / Silicon Dioxide / Physical Properties / Enzyme Linked Immunosorbent Assay / Gene expression profiling / Gene expression / Cell line / Mice / Protein Secretion / Silica / Animals / Light / Suspensions / Mode of action / Microarray Analysis / Surface Area / Particle Size / Biological Process / Gene Set Enrichment Analysis / Biological activity / Health Effect / Silicon Dioxide / Physical Properties / Enzyme Linked Immunosorbent Assay / Gene expression profiling

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Terrestrial ecosystem processes of Victoria Land, Antarctica

Soil Science / Climate Change / Climate variability / Biodiversity / Global Environmental Change / Biological Sciences / Environmental Sciences / Gradient / Environmental Gradient / Ecosystem / Limit Distribution / Soil Biology / Stoichiometry / Organic carbon / Early Terrestrial Ecosystems / Ecosystem Function / Biological activity / High Sensitivity / Organic Matter / Soil Biodiversity / Biological Sciences / Environmental Sciences / Gradient / Environmental Gradient / Ecosystem / Limit Distribution / Soil Biology / Stoichiometry / Organic carbon / Early Terrestrial Ecosystems / Ecosystem Function / Biological activity / High Sensitivity / Organic Matter / Soil Biodiversity

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Macrophage Responses to Silica Nanoparticles are Highly Conserved Across Particle Sizes

Particle Physics / Gene regulation / Electrochemistry / Nanoparticles / Macrophages / Gene expression / Cell line / Mice / Protein Secretion / Silica / Animals / Light / Suspensions / Mode of action / Microarray Analysis / Surface Area / Particle Size / Biological Process / Gene Set Enrichment Analysis / Biological activity / Health Effect / Silicon Dioxide / Physical Properties / Enzyme Linked Immunosorbent Assay / Gene expression profiling / Gene expression / Cell line / Mice / Protein Secretion / Silica / Animals / Light / Suspensions / Mode of action / Microarray Analysis / Surface Area / Particle Size / Biological Process / Gene Set Enrichment Analysis / Biological activity / Health Effect / Silicon Dioxide / Physical Properties / Enzyme Linked Immunosorbent Assay / Gene expression profiling

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Astrocyte cultures derived from human brain tissue express angiotensinogen mRNA

Gene regulation / Gene expression / Multidisciplinary / Molecular Mechanics / Biopsy / Phosphorus / Cell line / Brain / Humans / Renin Angiotensin Aldosterone System / Beta decay / DNA hybridization / Connective tissue / Astrocyte / Central Nervous System / Astrocytes / Human Brain / Enzyme / Glial Fibrillary Acidic Protein / Nervous System / Biological activity / Base Sequence / Phosphorus / Cell line / Brain / Humans / Renin Angiotensin Aldosterone System / Beta decay / DNA hybridization / Connective tissue / Astrocyte / Central Nervous System / Astrocytes / Human Brain / Enzyme / Glial Fibrillary Acidic Protein / Nervous System / Biological activity / Base Sequence

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Phytoestrogens as natural prodrugs in cancer prevention: dietary flavonoids

Organic Chemistry / Phytochemistry / International organizations / Plant Biology / Cancer Prevention / Human Body / Growth and development / Enzyme / Immune system / Gastrointestinal Tract / International Organizations / Biological activity / Small Intestine / Human Body / Growth and development / Enzyme / Immune system / Gastrointestinal Tract / International Organizations / Biological activity / Small Intestine

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Phosphorus31 Nuclear Magnetic Resonance Spectral Assignments of Phosphorus Compounds in Soil NaOH–EDTA Extracts

Engineering / Biochemistry / Earth Sciences / Chemistry / Organic Chemistry / Soil / Plant Biology / Nuclear Magnetic Resonance / Phospholipids / Agriculture / NMR Spectroscopy / Magnetic Resonance Spectroscopy / Vascular Surgery / Energy Metabolism / Hepatology / Biological Sciences / Lipids / Phosphorus / Environmental Sciences / Liver / Animals / Methanol / Site index / Soil sciences / CHEMICAL SCIENCES / Cattle / Environmental quality / Skeletal Muscle / Intermittent Claudication / Constant Time Delay / Virginia / Chickens / Blood Flow / Fertilizers / Manure / Agricultural and Food Chemistry / Veterinary Sciences / Poultry Litter / Biological activity / Soil science and plant nutrition / Carbohydrate / Myo-inositol / Dissociation Constant / Biochemistry and cell biology / Nuclear Magnetic Resonance Spectroscopy / Soil / Plant Biology / Nuclear Magnetic Resonance / Phospholipids / Agriculture / NMR Spectroscopy / Magnetic Resonance Spectroscopy / Vascular Surgery / Energy Metabolism / Hepatology / Biological Sciences / Lipids / Phosphorus / Environmental Sciences / Liver / Animals / Methanol / Site index / Soil sciences / CHEMICAL SCIENCES / Cattle / Environmental quality / Skeletal Muscle / Intermittent Claudication / Constant Time Delay / Virginia / Chickens / Blood Flow / Fertilizers / Manure / Agricultural and Food Chemistry / Veterinary Sciences / Poultry Litter / Biological activity / Soil science and plant nutrition / Carbohydrate / Myo-inositol / Dissociation Constant / Biochemistry and cell biology / Nuclear Magnetic Resonance Spectroscopy

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Niementowski-type synthesis of pyrido[3,2-e][1,2,4]triazines: potent aza-analogs of pyrido[2,3-b]pyrazine fungicides

Organic Chemistry / Biological activity / Rhizoctonia solani

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NGF-withdrawal induces apoptosis in pancreatic beta cells in vitro

Flow Cytometry / Apoptosis / Gene expression / Signal Transduction / Cell line / Humans / Mice / Animals / Male / Monoclonal Antibodies / Signal Transduction Pathway Models / Phosphorylation / Nucleosomes / Mitogen Activated Protein Kinase / Clinical Sciences / Middle Aged / Protein kinase B / Fluorescent Antibody Technique / Rats / Public health systems and services research / Western blot / Protein Expression / Primary Culture / Biological activity / Nerve Growth Factor / Sperm Dna Fragmentation / Cell Survival / islets of Langerhans / Humans / Mice / Animals / Male / Monoclonal Antibodies / Signal Transduction Pathway Models / Phosphorylation / Nucleosomes / Mitogen Activated Protein Kinase / Clinical Sciences / Middle Aged / Protein kinase B / Fluorescent Antibody Technique / Rats / Public health systems and services research / Western blot / Protein Expression / Primary Culture / Biological activity / Nerve Growth Factor / Sperm Dna Fragmentation / Cell Survival / islets of Langerhans

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