Peptides

<p>Portion of Influenza M</p>

<p>Neurokinin A is a peptide that is derived from the precursor protein, preprotachykinin A, and has been found to be an endogenous ligand for the NK-1 receptor. It is involved in a wide range of physiological processes such as neurotransmission and regulation of blood pressure. Neurokinin A has been shown to inhibit adenylate cyclase activity in guanethidine-sensitive tissues and ionophores-resistant cells. The effects of Neurokinin A are not due to its ability to bind to the NK-1 receptor but rather through other mechanisms. The amino acid sequence of this peptide was first determined by cloning methods in 1984 and it has since been used extensively as a tool for studying the function of this receptor. Neurokinin A also inhibits cell proliferation in glioma cells and has been shown to have an inhibitory effect on Ca2+ concentration during electrical nerve stimulation.</p>

<p>Custom research peptide; min purity 95%.</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of CNDP1 antibody, catalog no. 70R-10125</p>

<p>Peptide H-EANQSTLENFLER-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of Vamp1 antibody, catalog no. 70R-9794</p>

<p>Methyltetrazine agarose is a 6% crosslinked agarose resin that is activated with methyltetrazine functional groups for covalent immobilization of TCO-modified biomolecules via a Diels–Alder  reaction. Applications are preparation of protein agarose media with almost quantitative capture of proteins.<br>Activation level: 10-20 µmol methyltetrazine groups per mL resin<br>Bead size: 50-150 µm</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of ELMO3 antibody, catalog no. 70R-6018</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of OPTC antibody, catalog no. 70R-5283</p>

<p>Insulin is a peptide hormone that is produced by beta cells in the pancreas. Insulin has several important functions, including regulation of blood sugar levels, lipid metabolism and protein synthesis. It is also involved in the regulation of cellular growth and proliferation. Insulin binds to insulin receptors on the surface of cells, activating them and allowing for the uptake of glucose into cells and storage as glycogen. Insulin is a ligand for the insulin receptor. It can also bind to other receptors, such as IGF1R, which causes activation of PI3K/AKT pathway. Insulin is an antibody that can be used as research tool or cell biology reagent.<br>INSULIN CAN BE USED TO:<br>- Measure blood sugar levels<br>- Monitor diabetes<br>- Treat diabetes<br>- Control weight gain<br>- Improve muscle mass</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of LRRC57 antibody, catalog no. 70R-3230</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of CSF1 antibody, catalog no. 70R-6326</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of GAN antibody, catalog no. 70R-4075</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of APOBEC3D antibody, catalog no. 70R-4868</p>

<p>Rituximab is a chimeric monoclonal antibody used in the treatment of some cancers like CD20 non-Hodgkin's lymphoma and a few autoimmune conditions such as rheumatoid arthritis. However, antibody treatment can lead to generation of neutralising antibodies thus curtailing the efficacy of the therapy. CD 4+ T cells are critical to initiate antibody response so identification of epitopes within molecules using T cell assays can be a vital tool for understanding the immune response and thereby prevent induction of neutralising antibodies. Within rituximab, the variable region of the light chain (41-55) was found to have strong affinity for leukocytes in a specific binding assay, the epitope was also correlated to patients who developed neutralising antibodies. This T cell epitope within rituximab in further immune studies could help design or selection of antibodies without T cell epitopes present for low immunogenicity.</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of CHEK1 antibody, catalog no. 70R-5597</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of SPOPL antibody, catalog no. 70R-8870</p>

<p>m-dPEG®4-OH is a PEG polymer categorised as monofunctional (OH-PEG-X). Used as a linker, m-dPEG®4-OH is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>Custom research peptide; min purity 95%.</p>

<p>A synthetic peptide for use as a blocking control in assays to test for specificity of P2RX2 antibody, catalog no. 70R-5171</p>

<p>Peptide H-LHQLAFDTYQEFEEAYIPK-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.</p>

<p>Cysteine peptide (Ac RFAAKAA COOH) is used in combination with Lysinepeptide (Ac RFAACAA COOH) in the Direct Peptide Reactivity Assay (DPRA) test.<br>Direct Peptide Reactivity Assay is used in cosmetic applications for the characterization of the skin sensitizing potential of a substance, framed by OECD Guideline no 442.<br>The molecular initiating event (MIE) in skin sensitization is a binding between epidermal proteins and the sensitizing chemical substance. MIE is part of the adverse outcome pathway (AOP) of skin sensitization.<br>It is thanks to the properties of Lysine peptide and Cysteine peptide that the chemical binding will be able to take place, so these synthetic heptapeptides will mimic the reaction of a skin exposed to a substance.<br>Binding between nucleophilic proteins and electrophile substance will be measured by High Performance Liquid Chromatography (HPLC). Therefore, the decrease in Lysine peptide and Cysteine peptide levels will be a sign of sensitizing event. Depending on the rate of depletion, the sensitizing character of a molecule will be determined (see table at the bottom of the page).<br>In chemico DPRA test also has wider applications such as hazard classification in cosmetics, but also for pharmaceuticals and biocides. It is a good alternative to animal experimentation.</p>

<p>Custom research peptide; min purity 95%.</p>

<p>Neutrophil Gelatinase Associated Lipocalin (NGAL) is a lipocalin protein that is involved in many physiological and pathophysiological processes. NGAL binds to bacterial products, such as lipopolysaccharide, and can be used as a biomarker for inflammation or infection. NGAL has been shown to be elevated in the urine of patients with urinary tract infections. Additionally, NGAL has been shown to be associated with neurological diseases, such as Alzheimer's disease and Parkinson's disease. The recombinant human form of this protein can be used for research purposes or for the development of diagnostic tools. Neutrophil Gelatinase Associated Lipocalin (NGAL) is a lipocalin protein that is involved in many physiological and pathophysiological processes. It binds to bacterial products, such as lipopolysaccharide, and can be used as a biomarker for inflammation or infection. NGAL has been shown to be elevated in the urine of patients</p>

<p>Nojirimycin Bisulfite is a potent inhibitor of protein synthesis. It is a receptor-selective ligand that binds to the extracellular domain of the epidermal growth factor (EGF) receptor, thereby inhibiting receptor signaling. Nojirimycin Bisulfite has also been shown to inhibit ion channels and ligand-gated ion channels. Nojirimycin Bisulfite has been shown to bind to both peptides and antibodies, which makes it a useful research tool for studying protein interactions.</p>

<p>Catalogue peptide; min. 95% purity</p>

<p>Catalogue peptide; min. 95% purity</p>

<p>Catalogue peptide; min. 95% purity</p>

<p>Ac-Ala-Ala-Ala-pNA is a synthetic peptide that is derived from the natural amino acid sequence of cholecystokinin. It has been shown to have high affinity for phospholipid bilayers, which are lipid membranes that form the boundaries of cells and organelles. Ac-Ala-Ala-Ala-pNA can be used as a substrate molecule to study membrane permeability and selectivity in bioreactors. Ac-Ala-Ala-Ala-pNA also acts as a modulator of liposomal membranes, increasing the permeability of these membranes in order to allow more substrate molecules to pass through them.</p>

<p>Myelin oligodendrocyte glycoprotein (MOG) is a myelin protein found in the central nervous system. MOG is a ligand for CD200, which is an inhibitory receptor expressed by astrocytes. It has been shown that MOG can induce the proliferation and differentiation of primary cultures of rat astrocytes in vitro. MOG induces the production of reactive oxygen species in mitochondria and increases the expression of acid-binding protein, which are both important factors in the demyelination process. MOG has also been implicated as a potential factor in the development of multiple sclerosis. Further research into this protein may lead to new treatments or cures for disorders such as encephalomyelitis, nervous system diseases, or even cancer.</p>

<p>Catalogue peptide; min. 95% purity</p>

<p>H-His-Arg-OH is a synthetic peptide that has been shown to have cytotoxic effects on mammalian cells. The H-His-Arg-OH peptide can be used for the treatment of heart disease and autoimmune diseases, such as rheumatoid arthritis. This peptide has been found to be resistant to congestive heart failure, which is caused by a number of factors, including hypertension and valvular stenosis. It has also been shown to have an immunoglobulin G1 (IgG1) genotype.</p>

<p>CJC-1295 is a synthetic peptide, which is an analogue of growth hormone-releasing hormone (GHRH). It is synthesized through recombinant DNA technology, which allows for precise control over its sequence and length. This particular peptide is designed to bind to GHRH receptors in the pituitary gland. By activating these receptors, CJC-1295 stimulates the release of growth hormone (GH) into the bloodstream.The primary function of CJC-1295 is to influence the endocrine system, particularly enhancing the release of endogenous growth hormone. It achieves this by increasing the amplitude and frequency of GH pulses without affecting the natural negative feedback mechanisms that regulate GH production. This mode of action distinguishes CJC-1295 from other growth hormone therapies, as it promotes a more physiological pattern of hormone secretion.CJC-1295 is used in various scientific contexts, primarily in research focusing on growth hormone deficiencies, muscle wasting conditions, and certain metabolic disorders. Its ability to increase GH release also makes it a subject of interest in studies related to aging, tissue repair, and regeneration. The longer half-life of CJC-1295 compared to natural GHRH peptides further enhances its applications in research, allowing for more sustained and controlled experimentation.</p>