Organometallic Ligands

<p>Partial agonist of D2 and D3 dopamine receptors; anti-psychotic</p>

<p>Bruton's tyrosine kinase antagonist; reduces Fcγ receptor signaling</p>

<p>Selective partial GABAA receptor antagonist of subtypes  α1, α2, α3, α5 subunits. Non-sedative anxiolytic effects demonstrated in vivo, without compromising motor activity. Anti-nociceptive and anti-inflammatory activities also demonstrated in vivo.</p>

<p>(S)-Mephenytoin is a substrate of cytochrome P450 enzyme CYP2C19 (a hydroxylase). It is an effective anticonvulsant that improves control of seizures in patients. According to studies, the drug exhibits a genetic polymorphism in CYP2C19 that results in reduced metabolism in some individuals.</p>

<p>Inhibitor of caspases; broad spectrum</p>

<p>Potent agonist of a1β1γ1 5′-adenosine monophosphate-activated protein kinase (AMPK). It binds to the allosteric drug and metabolite (ADaM) site at the α- and β- subunit interface of AMPK. It has potential for the treatment of diabetic nephropathy. PF 06409577 reduces infections caused by flaviviruses, mediated by changes in the metabolism of lipids in host cells.</p>

<p>Fingolimod is a sphingosine 1-phosphate receptor modulator that is used in the treatment of relapsing-remitting form of multiple sclerosis. It is also being studies to manage lung complications in patients with COVID-19. This drug binds to various sphingosine 1-phospahte receptors and suppresses the exit of lymphocytes from lymph nodes.</p>

<p>A small molecule inhibitor with high selectivity for CDK8 over CDK19. Increases IL-10 production in stimulated human and murine macrophages and dendritic cells. Modulatory action on inflammatory responses has therapeutic potential.</p>

<p>Inhibitor of c-Met kinase</p>

<p>A potent inhibitor of phosphodiesterase type 9 (PDE9) tested in human and murine in vitro assays (IC50 values: 55 nM and 100 nM respectively). BAY 73-6691 induces long-term potentiation and improves memory in rodents. Has therapeutic potential for Alzheimer’s disease.</p>

<p>Analeptic</p>

<p>7-Prenyloxycoumarin is a naturally occurring compound, often categorized as a phytochemical, which is primarily isolated from various plant sources including the Rutaceae family. This compound exhibits intriguing biochemical properties due to its unique molecular structure, primarily the presence of a prenyloxy group attached to the coumarin core. The mode of action of 7-Prenyloxycoumarin primarily involves its ability to interact with biological membranes and proteins, leading to modulation of enzymatic activity and disruption of pathogen cell walls.</p>

<p>Hydroxyl radical scavenger; anti-vasospastic</p>

<p>Inhibitor of vacuolar-type proton pump</p>

<p>Padsevonil is an investigational antiseizure medication, which is a synthetic pharmaceutical compound. It is derived from extensive medicinal chemistry research aiming to address complex seizure disorders resistant to conventional treatments. Padsevonil functions by exhibiting a dual mechanism of action. It binds to synaptic vesicle protein 2A (SV2A) with high affinity, similar to levetiracetam but with additional modulation of the benzodiazepine-sensitive gamma-aminobutyric acid-A (GABA-A) receptor. This combined activity potentiates its efficacy in stabilizing neuronal hyperactivity and dampening excitatory neurotransmission, providing a novel angle to tackle refractory seizures.</p>

<p>Selective inhibitor of the transforming growth factor beta receptor TGFβ1. RepSox can replace Sox, a transcriptional factor required for cell self-renewal, in reprogramming of adult cells to induced pluripotent stem cells (iPSCs). In the cloned interspecies embryos, RepSox induced expression of pluripotency regulatory genes Oct4 and Nanog, improved viability and developmental potential of embryos in the pre-implantation stage.</p>

<p>Interleukin-13 human is a recombinant cytokine, which is derived from the expression of the human IL-13 gene in suitable host systems, such as E. coli or mammalian cells. This cytokine belongs to the interleukin family and plays a pivotal role in the immune response by modulating inflammatory pathways. The mode of action of interleukin-13 involves binding to specific cell surface receptors, IL-13Rα1 and IL-13Rα2, which facilitates the activation of various intracellular signaling cascades, including the JAK/STAT pathway. This promotes the differentiation and proliferation of certain immune cells, influencing the production of IgE and contributing to the regulation of inflammatory responses.</p>

<p>Specific inhibitor of glycogen synthase kinase 3 (GSK-3) with IC50 in low nanomolar range. Studies showed that BIO maintains self-renewal in embryonic stem cells (ESCs) as well as increases activity of β-catenin. In neonatal cardiomyocytes, BIO promotes cell cycle by stimulating cell entry into S phase as well as cytokinesis. In germline stem cells from female mice (FGSCs), BIO promoted proliferation and maintenance of FGSCs by activating β-catenin and up-regulating E-cadherin.</p>

<p>Inhibitor of leucine-rich repeat kinase LRRK2Â</p>

<p>Crizotinib is a drug that belongs to the group of tyrosine kinase inhibitors. It is used in the treatment of cancers, including non-small cell lung cancer, small cell lung cancer, and other types of solid tumours. Crizotinib inhibits the activity of the tyrosine kinase ALK or anaplastic lymphoma kinase, which is involved in many signalling pathways and biological processes. The inhibition of this enzyme leads to decreased energy metabolism, reduced mitochondrial membrane potential and increased susceptibility to apoptosis.</p>

<p>Benazepril is a nonsteroidal anti-inflammatory drug that can be used to treat hypertension, heart failure and renal failure. It is an angiotensin-converting enzyme (ACE) inhibitor that blocks the conversion of angiotensin I to angiotensin II. This inhibition prevents the vasoconstrictive effects of this peptide, which are mediated through activation of the renin-angiotensin system.</p>

<p>Vanilloid receptor 1 antagonist</p>

<p>Inhibitor of p38 kinase</p>

<p>Short acting monoamine oxidase inhibitor</p>

<p>Opioid receptor antagonist</p>

<p>14-3-3 Σ, GST tagged human, is a recombinant protein that serves as a research-grade tool for the study of cellular signaling pathways. This product is expressed in a suitable expression system, typically using E. coli, resulting in a fusion protein that is tagged with Glutathione S-Transferase (GST). The GST tag aids in the purification and detection of the protein, facilitating various biochemical analyses.</p>

<p>BRAF kinase inhibitor; antineoplastic</p>

<p>Beta-adrenoceptor antagonist; anti-hypertensive</p>

<p>Kifunensine is a small molecule inhibitor that was designed and synthesized to inhibit plant and animal α-mannosidase I. It is a potent and specific inhibitor with IC50 in nanomolar range. It inhibits the enzyme isoforms in Golgi apparatus (GMI) and endoplasmatic reticulum (ERMI). The compound prevents mannose trimming on glycoproteins and shifts the glycoform content from complex to oligomannose type. Used for the production of recombinant therapeutic glycoproteins with mannose rich N-linked glycans.</p>

<p>Potent and selective inhibitor of the glycogen synthase kinase GSK-3. Promotes cell renewal in embryonic stem cells by modulating Notch, MAPK and TGF-β signalling pathways, which are involved in pluripotency. It also affects the Wnt/β-catenin pathway and alters expression of genes coding for proteins, epigenetic regulatory elements and non-coding RNAs. The combination of CHIR 99021 and basic fibroblast growth factor (bFGF) allows long-term self-renewal in adult mouse retinal progenitor cells.</p>

<p>Candesartan is a drug that belongs to the class of angiotensin II receptor antagonists and is used to treat hypertension. It is used in combination therapy with other drugs, such as hydrochlorothiazide and amlodipine, to lower blood pressure. Candesartan inhibits the formation of angiotensin II, the receptor which causes vasoconstriction and increased blood pressure.</p>

<p>Inhibits DNA topoisomerase II; antineoplastic; immunomodulatory; antimicrobial</p>

<p>Pasireotide acetate is a synthetic cyclic peptide and a somatostatin analogue, which is derived from the chemical synthesis based on the structure of native somatostatins. It operates by binding to somatostatin receptors with high affinity, primarily targeting the sst1, sst2, sst3, and sst5 receptor subtypes. This binding inhibits the secretion of adrenocorticotropic hormone (ACTH), which can modulate the excess production of cortisol in conditions such as Cushing’s disease.</p>

<p>Dopamine D2 receptor antagonist</p>

<p>Antagonist of platelet activating factor</p>

<p>Selective c-Met kinase inhibitor</p>

<p>Agonist of calcium sensing receptor CASR; calcimimetic agent</p>

<p>Prilocaine is a drug used as a local anaesthetic in dental procedures. It has been shown to reduce the incidence of pain caused. This drug is also a sodium channel blocker that blocks the influx of sodium into cells.</p>

<p>SHP099 is an allosteric inhibitor of the SHP2 protein, which is derived from targeted small-molecule drug development. Its mode of action involves binding to SHP2 in a region distinct from the catalytic site, thereby stabilizing the protein in its auto-inhibited conformation and preventing activation. This disrupts downstream signaling pathways mediated by SHP2, a protein-tyrosine phosphatase essential in promoting oncogenic signaling through the RAS/MAPK pathway.</p>

<p>Afatinib is a small molecule that inhibits the activity of cellular kinases that are involved in the progression of cancer. It is an Irreversible inhibitor of three members of the ErbB family. This molecule binds covalently to cysteine 797 residue in HER2 and blocks downstream cellular signalling which inhibits cellular growth and promotes apoptosis. It has been researched for the treatment of non-small cell lung cancer (NSCLC), breast cancer, pancreatic cancer and colorectal cancer.</p>

<p>Carmustine is a DNA alkylating agent which also cross-links DNA. As a result, Carmustine disrupts the function of DNA, resulting in the arrest the cell cycle and apoptosis. Consequently these properties of Carmustine, in addition to its ability to easily transmit through the blood-brain barrier, means it can be used as a cancer treatment, treating cancers such as, breast, ovarian and pancreatic as well as lymphomas and leukemias. Furthermore Carmustine can contribute to cytotoxic effects through its ability to carbamoylate DNA repair enzymes and proteins.</p>

<p>Inhibitor of VEGFR, PDGR, c-Kit and Ret; inhibitor of angiogenesis</p>

<p>Cetirizine is a selective histamine-1 antagonist drug used for the treatment of allergies. One of the common uses is for a condition called allergic rhinitis. As Cetirizine is an antihistamine, its main mode of action is by selectively inhibiting H1 receptors. In vivo and ex vivo animal models have shown insignificant anticholinergic and antiserotonergic effects.</p>

<p>Bosentan is a dual endothelin receptor antagonist that is used to treat hypertension. This drug works by blocking the action of endothelin molecules which prevents the narrowing of blood vessels and decreases blood pressure.</p>

<p>Inhibitor of human neutrophil elastase</p>

<p>Potent and specific inhibitor of the tyrosine protein kinase Mer precursor (MERTK) with 38-fold selectivity over the FMS-like protein kinase FLT3. UNC 4203 inhibits MERTK with an IC50 value of 2.4 nM and shows favourable pharmacokinetic properties. In vivo experiments in mice showed that UNC 4203 dramatically decreased the phosphorylation of MERTK in bone marrow leukemia cells.</p>

<p>Specific inhibitor of the ubiquitin specific protease-7 (USP7), which is a validated deubiquitinase of the E3 ubiquitin-protein ligase MDM2. The compound inhibits the USP7 deubiquitinase activity by binding to acidic amino acid residues important for the interaction with ubiquitin. Induces tumor cell death and enhances cytotoxicity of chemotherapeutic agents.</p>

<p>Tricyclic antidepressant</p>

<p>As a synthetic trifluorinated glucocorticoid receptor agonist, Fluticasone exhibits anti-inflammatory properties. When binding to and activating glucocorticoid receptors, Fluticasone initiates the activation of lipocortin which inhibits cytosolic phospholipase A2. Consequently, the cascade of inflammatory mediator synthesis reactions are inactivated and the production of inflammatory cells namely mast cells, dendritic cells, macrophages and eosinophils and the cytokines that they produce are greatly reduced.It is this anti-inflammatory role which has enabled Fluticasone to successfully treat conditions such as asthma, emphysema, allergic rhinitis and atopic dermatitis. It has also been seen to increase anti-inflammatory effects of annexoin-1 and mitogen-activated kinase phosphatase-1; reduce mucus gland secretions and increase the number of beta-2 receptors on smooth muscles of the airways.<br>Fluticasone is part of our Bio-X ™ Range. These products are aimed at life science researchers who need high quality ready to use products for assay development, screening or other R&amp;D work. With a solubility datasheet and convenient vials, all of our Bio-X ™ products are in stock across our global warehouses for rapid delivery and ease of use.</p>

<p>Ponalrestat is an aldose reductase inhibitor, which is a synthetic compound developed for pharmacological purposes. It originates from chemical synthesis designed to target and inhibit the enzyme aldose reductase effectively. The mode of action involves the competitive inhibition of aldose reductase, an enzyme involved in the polyol pathway of glucose metabolism. By preventing the reduction of glucose to sorbitol, it reduces sorbitol accumulation associated with diabetic complications.</p>

<p>Nilotinib is a kinase inhibitor that is used for the treatment of Chronic Myeloid Leukemia (CML). This drug is also used for the treatment of CML that is resistant to imatinib. Nilotinib inhibits the tyrosine kinase activity of the BCR-ABL protein. It also inhibits PDGFR and c-kit.</p>

<p>γ-secretase inhibitor; inhibits notch signaling</p>

<p>Malotilate is a pharmacological agent that is used to treat symptoms of hepatitis, bowel disease, and collagen diseases. This drug reduces collagen synthesis and cell migration activity of fibroblasts in vitro. It also has been shown to facilitate liver regeneration in rats.</p>

<p>Inhibits JAK1 and JAK2 kinases</p>

<p>L-type calcium channel blocker</p>

<p>Angiotensin II receptor antagonist</p>

<p>Toceranib phosphate is a receptor tyrosine kinase inhibitor. Toceranib phosphate has been shown to be effective in the treatment of skin cancer and other types of cancer, including lung cancer and breast cancer. It is approved in the US as a treatment for canine mastocytoma (mast cell tumours).</p>

<p>Partial inverse agonist of benzodiazepine sites of the GABAA receptors with anxiogenic properties. FG 7142 is a pharmacological stressor which generates anxiety in humans and in experimental animals such as rhesus monkeys and rodents. FG 7142 also reduces food intake and frequency of feeding in male and female rats.</p>

<p>Antagonist of dopamine (D2), serotonin (5-HT2A) and histamine H1 receptors</p>

<p>Neurokinin-1 (NK-1) receptor antagonist</p>

<p>Indomethacin is a nonsteroidal anti-inflammatory drug that inhibits the production of prostaglandin PGE2. It is used to treat pain, fever, and inflammation. Indomethacin's mechanism of action is not well understood, but it may be due to interference with the ability of PMNs to bind to the surface of bacteria or to release reactive oxygen species. The drug has been shown to reduce mitochondrial membrane potential in mammalian cells, leading to apoptosis. This effect on mitochondria may also contribute to Indomethacin's anti-inflammatory effects. Indomethacin is part of our Bio-X ™ Range. These products are aimed at life science researchers who need high quality ready-to-use products for assay development, screening or other R&amp;D work. With a solubility datasheet and convenient vials, all of our Bio-X ™ products are in stock across our global warehouses for rapid delivery and ease of use.</p>

<p>Mianserin is a tetracyclic antidepressant drug that has antihistaminic and hypnosedative properties. It is used to treat depression in adults and children, as well as other disorders such as chronic pain and irritable bowel syndrome. This drug’s mechanism of action is not fully understood but is said to block alpha-adrenergic, histamine H1 and serotonin receptors.</p>

<p>GC 376 is an inhibitor of the main protease Mpro (3CLpro) in coronaviruses as well as picornaviruses. This broad-spectrum antiviral compound has been used as investigational veterinary drug for treatment of feline infectious peritonitis virus (FIPV) infections. Recent studies also showed that GC 376 inhibits the main protease Mpro (3CLpro) from SARS-CoV-2 with IC50 of 0.03 μM and EC50 of 3.37 μM.</p>

<p>Selective TRPM8 channel blocker. Inhibits icillin-induced store-operated Ca2+ entry, hence TRPM8 activation, in pulmonary vasculature. Reduces frequency of volume-induced contraction of bladder. Reduces micturition and nociceptive reflex actions in the bladder, suggesting therapeutic potential for bladder hypersensitivity disorders.</p>

<p>Androgen receptor antagonist</p>

<p>Camostat is a serine protease inhibitor that is used for the treatment of chronic pancreatitis. This drug has shown to reduce inflammation and pain. Studies have shown that Camostat has also inhibited the entry of SARS-CoV-2 in lung cells by inhibiting the priming process of S-protein, necessary for the viral entry into host cells.</p>

<p>Roflumilast is a selective phosphodiesterase-4 inhibitor that is used for the treatment of exacerbations in patients with chronic obstructive pulmonary disease (COPD). It is also used to treat plaque psoriasis. This drug has anti-inflammatory and immunomodulatory effects as it aids in increasing levels of cAMP.</p>

<p>A light-sensitive probe that functionally encapsulates L-glutamate in an inactive form. Irradiation with light at 360-380 nm cleaves the MNI protecting group and allows the release of free L-glutamate.  It allows tuneable control of the L-glutamate in neurons and precise control over time, dose and location of L-glutamate release.</p>

<p>KBU2046 is an antimicrobial peptide, which is derived from natural or synthetic peptide sequences with potential therapeutic properties. It exerts its effects by disrupting the structure and integrity of bacterial cell membranes through the formation of pores or micelles. This action alters membrane permeability, ultimately leading to cell lysis and death.</p>

<p>Inhibits protein translocation from ER to Golgi; fungal metabolite</p>

<p>Icilin is a transient receptor potential M8 (TRPM8) agonist drug that is used for the treatment of pruritis. This drug has shown to be effective in producing an extreme cold sensation in both human and animal models. It is used in research for studying TRP channels.</p>

<p>Antagonist of muscarinic acetylcholine receptors</p>

<p>Nabumetone is a non-steroidal anti-inflammatory drug that is used in the treatment of osteoarthritis and rheumatoid arthritis. This drug is also a cyclooxygenase inhibitor and works by inhibiting this enzyme so that pain and inflammation is reduced.</p>

<p>Bexarotene is a retinoid and antineoplastic agent that is used for the treatment of solid tumours and t-cell lymphomas. It inhibits the growth in vitro of some tumor cell lines of hematopoietic and squamous cell origin and research has shown that it induces tumor regression in vivo in some animal models.</p>

<p>5-HT1 and 5-HT4 receptor agonist; 5-HT2 receptor antagonist</p>

<p>Melatonin is a neurotransmitter produced by the pineal gland that is involved in the regulation of sleep-wake cycles. It can be used to treat several conditions like shift work disorders, insomnia, jet lag, and alterations of the circadian rhythm. Some authors also proposed the use of melatonin against cognitive disorders. In an interesting research conducted on zebrafish, it was found that memory formation occurs better during daytime compared to nighttime, suggesting a role of melatonin in this process. When melatonin was administered during the daytime it caused reduced memory formation. On the contrary, removing the pineal gland or treating the fish with a melatonin antagonist significantly improves nighttime memory formation.</p>

<p>Dapoxetine is a drug that belongs to the group of selective serotonin reuptake inhibitors (SSRIs). It is used to treat premature ejaculation. This drug inhibits the serotonin transporter allowing for an increased action of serotonin at the postsynaptic cleft, thus promoting ejaculatory delay.</p>

<p>S26131 is an advanced glycation end product (AGE) inhibitor, which is a synthetic compound designed for laboratory research purposes. It is derived from chemical synthesis processes, offering a robust tool for investigating the biochemical pathways associated with glycation. Its mechanism of action involves the inhibition of AGE formation, which is a post-translational modification resulting from the non-enzymatic reaction between sugars and proteins or lipids. This biochemical modulation is vital for studying the implications of glycation in various physiological and pathological contexts.</p>

<p>(Z)-Mycophenolic acid is an immunosuppressive agent derived from the fermentation of fungi, primarily from the Penicillium species. It functions by inhibiting inosine monophosphate dehydrogenase (IMPDH), an enzyme crucial for de novo purine synthesis. This selective blockade of IMPDH specifically affects lymphocyte proliferation due to their heavy reliance on this pathway for DNA synthesis, thereby exerting its immunosuppressive effects.</p>

<p>Positive allosteric modulator of the metabotropic glutamate receptor mGluR5 with EC50 in submicromolar range. The compound is able to increase mGluR5 function in vitro and in vivo. A study showed that ADX-47273 enhanced fear extinction learning as well as improved reversal learning in experimental animals.</p>

<p>Potentiates cystic fibrosis transmembrane conductance regulator (CFTR)</p>

<p>3-Hydroxy-5-{[(naphthalen-2-yl)carbamoyl]amino}benzoic acid is a synthetic compound characterized by its complex molecular structure incorporating naphthalene and benzoic acid moieties. As a derivative of benzoic acid, it is typically synthesized through a series of chemical reactions designed to introduce the 3-hydroxy and carbamoyl functional groups, creating a compound with potentially unique bioactive properties.</p>

<p>Potent and selective positive allosteric modulator (PAM) of metabotropic glutamate receptor mGlu4. Valiglurax is orally bioavailable and CNS-penetrant mGlu4 PAM in preclinical development for the Parkinson’s disease therapy and alleviation of the motor symptoms.</p>

<p>Inhibitor of NLRP3 inflammasome and suppressor of the inflammatory cytokine IL-1β secretion. The compound was tested in diabetic mice and was shown to decrease the incidence of cardiac arrythmias, which are common secondary complications in diabetes mellitus. MCC 950 has potential to reverse diabetes-induced pathologies in cardiac electrophysiology.</p>

<p>Pan-class I phosphatidylinositide 3-kinase (PI3K) inhibitor (IC50 = 3, 33, 3 and 75 nM at catalytic subunits p110α, p110β, p110δ and p110γ respectively). Inhibits proliferation in several cancer cell lines, such as glioblastoma, breast and prostate cancer cells. Has synergistic anti-cancer effect in combination with MEK/ERK kinase inhibitor GDC-0973 (cobimetinib).</p>

<p>Irsogladine is a gastroprotective drug that is used for the treatment of GERD and gastric ulcers. This drug also has antioxidant properties. Irsogladine is a phosphodiesterase-4 inhibitor and increases levels of cAMP. It helps to prevent and heal damage to the stomach lining.</p>

<p>Potent inhibitor of γ-secretase. LY 411575 inhibited production of amyloid β (Aβ) peptides with IC50 of 0.078 nM in vitro as well as decreased levels of Aβ40 and Aβ42 amyloids in brain of a mouse model for Alzheimer’s disease. In vitro studies confirmed that LY 411575 inhibited cleavage of Notch receptor at S3 site with IC50 of 0.39 nM, which blocked Notch activation and downstream signalling, leading to apoptosis in primary and immortalized Kaposi's sarcoma cells.</p>

<p>Regaloside D is a natural product derived from plant sources, specifically isolated from certain species known for their bioactive properties. It functions as a glycoside, a compound in which a sugar is bound to a non-carbohydrate moiety, potentially influencing a variety of cellular processes through its interaction with specific molecular targets.</p>

<p>Inhibits p38 MAP kinase; anti-inflammatory; neuroprotective</p>

<p>Azumolene is a muscle relaxant drug, which is a synthetic derivative of dantrolene originating from hydantoin. The mode of action of Azumolene involves the inhibition of calcium ion release from the sarcoplasmic reticulum of skeletal muscle fibers. By impeding this release, Azumolene effectively reduces muscle contraction, thereby acting as a potent muscle relaxant.</p>

<p>Inhibits N-Acetyl-mediated interaction between BE2M (E2 conjugating enzyme) and DCN1 (a component of E3 ligase complex). Also has inhibitory action on DCN2 and NEDD8 ubiquitin-like protein. Reduces anchorage-independent growth in DCN1-amplified cell line.</p>

<p>Acetylcholinesterase inhibitor; therapy for Alzheimer's disease</p>