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The actions of the octapeptide circulatory hormone angiotensin II are mediated by type one (AT1) and type two (AT2) angiotensin II receptors, members of the seven-transmembrane domain-containing GPCR family. AT1 expression is greatest in vascular smooth muscle, liver, kidney, adrenal cortex, brain, and lung, and is primarily responsible for the physiological effects of angiotensin II in cardiovascular homeostasis. The AT2 receptor displays approximately 30% identity to the AT1 receptor, and is highly expressed during embryonic development. AT2 expression in adult tissue is limited to the adrenal medulla, brain, and reproductive tissues, but is upregulated in injured tissue following myocardial infarction, vascular injury, and wound healing.

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Serotonin (5-hydroxytryptamine, 5-HT) is a monoamine found in the central nervous system, gastrointestinal tract, and blood with broad physiological functions as a neurotransmitter, in gastric motility, hemostasis, and cardiovascular integrity. Seven subclasses (5-HT 1-7) of serotonin receptors have been identified, a majority of which are members of the seven transmembrane domain-containing G-protein coupled receptor (GPCR) family, and are the target of several anti-depressant drugs. The 5-HT1 subclass consists of five highly homologous receptors that couple via G(i/o) alpha subunits to inhibit adenylyl cyclase activity. The 5-HT1A receptor gene is 99% homologous between human and mouse, and is expressed from an intronless gene with a predicted length of 421 amino acids. 5-HT1A receptor activation is generally inhibitory to cAMP production, but may also stimulate type II adenylyl cyclase activity in a cell-specific manner via release of G(beta/gamma) subunits when coupled to G(i2). 5-HT1A expression in mammals is strongest in CNS limbic pathways that control emotion, including tissue of the hippocampus, dorsal raphé, and septum.

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Endothelins are vasoactive peptides that exist in three forms (ET-1, ET-2, and ET-3), and function in the maintenance of vascular tone via two identified seven transmembrane-spanning domain-containing G protein-coupled receptors (GPCR), endothelin A (ETA) and endothelin B (ETB). The human ETA receptor is primarily expressed in vascular smooth muscle cells, including those of the heart (also in myocytes), lung, and brain, and its stimulation generally results in vasoconstriction. Activation of ETA receptors can be stimulated by binding of ET-1 and ET-2, but not ET-3. triggering the release of vasorelaxive factors such as nitric oxide (NO) and prostanoids from endothelial cells. Human ETB receptors are primarily expressed in endothelial cells lining the vessel walls of the lungs, heart, and brain, and in contrast to ETA receptors, stimulation generally results in transient vasodilation. Activation of ETB receptors can be stimulated by binding of all three endothelins, triggering the release of vasorelaxive

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The conversion of arachidonic acid to prostaglandin H2 (PGH2) by cyclooxygenase (COX) enzymes is the first step in the synthesis of prostanoids. Prostaglandin D2 (PGD2) is synthesized from PGH2 by the action of PGD synthase, and its actions in vasodilation and platelet activation are mediated via activation of two identified G-protein coupled receptors (GPCRs): DP1 and DP2 (formerly CRTH2). Both DP1 and DP2 receptors are coupled to Gs alpha subunits, resulting in increased adenylyl cyclase activity and cAMP production upon agonist binding. DP1 receptor is expressed moderately in the ileum and weakly in the lung, stomach, and uterus of mice, and weakly in the small intestine of humans. In rodents, expression of PGD synthase and the DP1 receptor is seen in the leptomeninges, where it is believed they play a role in the induction of sleep. The DP1 receptor may also oppose DP2-mediated activation of basophils, eosinophils, and Th2 cells.

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SCREEN-WELL® Fatty Acid Library contains 64 fatty acids of varying saturation and chain length.

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The Screen-Well® opioid and sigma ligands plate contains 74 ligands including endogenous neurotransmitters, agonists, antagonists, and marketed drugs. The library is ideal for screening or identifying recombinant orphan G protein coupled receptors, target validation, secondary screening, assay development, and other pharmacological applications. The opioid and sigma ligands plate is 1 plate of the larger Neurotransmitter Library which contains over 650 ligands.

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Red IHC chromogen (AP) is intended to be used in conjunction with alkaline phosphatase (AP)-based immunostaining or in situ hybridisation systems.

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HIGHDEF® red IHC chromogen can be used in conjunction with peroxidase-based immunostaining systems.

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IHC enzyme antigen retrieval reagent is designed to unmask immunoreactive sites altered by fixation and/or the embedding process.

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Yellow IHC chromogen (HRP) is intended to be used in conjunction with horseradish peroxidase (HRP)-based immunostaining or in situ hybridisation systems.

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The caspases are a family of cysteine proteases that cleave after certain aspartate residues, and are primarily recognized as mediators of apoptosis.

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IHC mount is an aqueous-based permanent, high stability mounting medium designed for use with chromogenic labeling. Use for mounting of tissue specimens stained with peroxidase and alkaline phosphatase-based systems and various fluorescent dyes.

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Amp'd® ELISA Signal Amplification Kit provides up to 50-fold increase in sensitivity over traditional ELISAs while detecting lower concentrations of target in samples.

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AMPIGENE® 1-Step RT-PCR Kit for optimised and efficient cDNA synthesis and PCR in a single tube.

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Optimised probe-based qPCR.

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Highly sensitive TIMP-1 ELISA kit enabling detection of TIMP-1 in serum, plasma, saliva, urine and tissue culture media in just 2 hours.

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Ultra-sensitive human growth hormone ELISA kit enabling detection of HGH in serum, plasma, saliva and tissue culture media in just 2,5 hours.

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ACE substrate

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VHR substrate

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Cathepsin substrate

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PKC inhibitor

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This peptide sequence, RHDSGLDSMKD, is derived from the area surrounding serine 32 and serine 36 of IκBα, which is phosphorylated by IκB Kinase (IKK).

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CaM kinase inhibitor

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Activator of PKC and Akt

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Caspase inhibitor

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Neprilysin inhibitor

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Negative control for AAF-CMK

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Biosynthesis from dihomo-γ-linolenic acid. Stimulates renin release. Antitumor activity. Inhibits NFκB activation in several human cell lines. Induces the synthesis of heat shock proteins. Activates PPARs in human osteosarcoma cells at 10μM.

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Biosynthesis in endothelial cells. Induces vasodilation, inhibits platelet aggregation by receptor-mediated stimulation of adenylate cyclase. Cytoprotective. Fibrinolytic. Half-life under physiological conditions is 2 minutes.

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Prostaglandin D2 derived nuclear peroxisome proliferator-activated receptor γ (PPARγ) ligand. Induces apoptosis in a number of cell types including human lung cancer cells, synoviocytes and macrophages. Promotes differentiation of fibroblasts to adipocytes. Antiinflammatory activity. Inhibits angiogenesis. Prevents TNFα induced leptin increase in mice. TRPA1 agonist. Serious doubts as to the biological relevance of this prostaglandin have been raised. Endogenous levels seem to be too low to have any effect as a PPARγ ligand.