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AB133081

Dipeptidyl peptidase IV (DPP4) Inhibitor Screening Assay Kit

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(1 Review)

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(7 Publications)

Dipeptidyl peptidase IV (DPP4) Inhibitor Screening Assay Kit ab133081 provides a convenient fluorescence-based method for screening DPP4 inhibitors. Readout on any fluorometric (Ex/Em 535/590 nm) plate reader.

View Alternative Names

CD26, ADCP2, DPP4, Dipeptidyl peptidase 4, ADABP, Adenosine deaminase complexing protein 2, Dipeptidyl peptidase IV, T-cell activation antigen CD26, TP103, ADCP-2, DPP IV

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Functional Studies - Dipeptidyl peptidase IV (DPP4) Inhibitor Screening Assay Kit (AB133081)
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Supplier Data

Functional Studies - Dipeptidyl peptidase IV (DPP4) Inhibitor Screening Assay Kit (AB133081)

Inhibition of DPP (IV) by Sitagliptin. Vehicle represents 100% initial activity.

Key facts

Detection method

Fluorescent

Assay type

Enzyme activity

Assay Platform

Microplate reader

Product details

How the assay works

Dipeptidyl peptidase IV (DPP4) Inhibitor Screening Assay Kit uses the fluorogenic substrate, Gly-Pro-Aminomethylcoumarin (AMC), to measure DPP4 activity. Cleavage of the peptide bond by DPP releases the free AMC group, resulting in fluorescence that can be analyzed using an excitation wavelength of 350-360 nm and an emission wavelength of 450-465 nm.

Dipeptidyl peptidase IV (DPP4) Inhibitor Screening Assay Kit protocol Summary

1. Prepare cells in assay buffer.
2. Add enzyme.
3. Add the Fluorescent Substrate to the wells.
4. Incubate at 37°C for 30 minutes.
5. Monitor fluorescence intensity using an excitation wavelength of 350-360 nm and an emission wavelength of 450-465 nm.

How other researchers are using

Dipeptidyl peptidase IV (DPP4) Inhibitor Screening Assay kit has been used in a variety of sample type including:
- Porcine pancreas 1
- Rat Blood samples 2

References:
1 - Lim W t al. 2022; 2 - Akash M et al. 2023.

Precision

[ { "reproducibilityType": "Inter", "sample": "Overall", "replicates": 16, "mean": null, "standardDeviation": null, "coefficientOfVariability": "4.1" }, { "reproducibilityType": "Intra", "sample": "Overall", "replicates": 16, "mean": null, "standardDeviation": null, "coefficientOfVariability": "3.9" } ]

What's included?

{ "values": { "96Test": { "sellingSize": "96 Test", "publicAssetCode":"ab133081-96Test", "assetComponentDetails": [ { "size":"1 x 1 Vial", "name":"Sitagliptin Positive Control Inhibitor", "number":"AB133081-CMP06", "productcode":"" }, { "size":"1 x 1 Unit", "name":"96-Well Plate Cover", "number":"AB133081-CMP02", "productcode":"" }, { "size":"2 x 1 Vial", "name":"DPP IV (human recombinant)", "number":"AB133081-CMP04", "productcode":"" }, { "size":"1 x 1 Unit", "name":"Half Volume 96-Well Solid Plate (white)", "number":"AB133081-CMP01", "productcode":"" }, { "size":"1 x 1 Vial", "name":"DPP Substrate", "number":"AB133081-CMP05", "productcode":"" }, { "size":"1 x 1 Vial", "name":"DPP Assay Buffer (10X)", "number":"AB133081-CMP03", "productcode":"" } ] } } }

Properties and storage information

Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
Multi
Appropriate long-term storage conditions
Multi
Storage information
Please refer to protocols

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Dipeptidyl peptidase 4 also known as DPP4 or CD26 functions as a serine exopeptidase. This enzyme is involved in cleaving dipeptides from the N-terminus of polypeptides. DPP4 with a mass of approximately 110 kDa is expressed in various tissues such as the liver intestines kidney and lymphocytes. It exists in both a membrane-bound form and a soluble form in blood plasma.
Biological function summary

DPP4 plays a significant role in glucose metabolism and immune function. The enzyme interacts with members of the immune system and regulates proteins such as chemokines growth factors and neuropeptides. DPP4 acts independently and is not known to be part of a larger complex. It modulates biological processes by inactivating peptide hormones and signaling molecules which impacts glucose homeostasis and immune responses.

Pathways

DPP4 impacts the incretin signaling pathway and the immune response pathway. Incretin hormones like glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) are substrates of DPP4 and play important roles in glucose metabolism. DPP4 also interacts with proteins such as adenosine deaminase (ADA) which impacts T-cell function and immune regulation. The regulation of these pathways by DPP4 influences metabolic and immune health.

DPP4 involvement is relevant in type 2 diabetes and immunological disorders. In type 2 diabetes DPP4 inhibitors modulate the incretin hormones improving glycemic control. Proteins like GLP-1 are affected by DPP4 activity connecting it to diabetes management. In autoimmune diseases altered DPP4 expression can impact immune cell functions influencing conditions such as rheumatoid arthritis. Through its effects on ADA and associated pathways DPP4 can influence both metabolic and immune-related disorders.

Product protocols

Target data

Cell surface glycoprotein receptor involved in the costimulatory signal essential for T-cell receptor (TCR)-mediated T-cell activation (PubMed : 10900005, PubMed : 10951221, PubMed : 11772392, PubMed : 17287217). Acts as a positive regulator of T-cell coactivation, by binding at least ADA, CAV1, IGF2R, and PTPRC (PubMed : 10900005, PubMed : 10951221, PubMed : 11772392, PubMed : 14691230). Its binding to CAV1 and CARD11 induces T-cell proliferation and NF-kappa-B activation in a T-cell receptor/CD3-dependent manner (PubMed : 17287217). Its interaction with ADA also regulates lymphocyte-epithelial cell adhesion (PubMed : 11772392). In association with FAP is involved in the pericellular proteolysis of the extracellular matrix (ECM), the migration and invasion of endothelial cells into the ECM (PubMed : 10593948, PubMed : 16651416). May be involved in the promotion of lymphatic endothelial cells adhesion, migration and tube formation (PubMed : 18708048). When overexpressed, enhanced cell proliferation, a process inhibited by GPC3 (PubMed : 17549790). Also acts as a serine exopeptidase with a dipeptidyl peptidase activity that regulates various physiological processes by cleaving peptides in the circulation, including many chemokines, mitogenic growth factors, neuropeptides and peptide hormones such as brain natriuretic peptide 32 (PubMed : 10570924, PubMed : 16254193). Removes N-terminal dipeptides sequentially from polypeptides having unsubstituted N-termini provided that the penultimate residue is proline (PubMed : 10593948).. (Microbial infection) Acts as a receptor for human coronavirus MERS-CoV-2.
See full target information DPP4

Publications (7)

Recent publications for all applications. Explore the full list and refine your search

Cells 13: PubMed39682687

2024

Investigation of Biological Activity of Fucoidan and Laminarin as Bioactive Polysaccharides from Irish Brown Macroalgae.

Applications

Unspecified application

Species

Unspecified reactive species

Shanmugapriya Karuppusamy,Janith Wanigasekara,Stephen Fitzpatrick,Henry Lyons,James Curtin,Gaurav Rajauria,Brijesh K Tiwari,Colm O'Donnell

Naunyn-Schmiedeberg's archives of pharmacology 398:3697-3715 PubMed39356321

2024

Vitamin D3 mitigates myopathy and metabolic dysfunction in rats with metabolic syndrome: the potential role of dipeptidyl peptidase-4.

Applications

Unspecified application

Species

Unspecified reactive species

Nourhan O Shoier,Salah A Ghareib,Hend Kothayer,Amira Ebrahim Alsemeh,Shaimaa S El-Sayed

Molecules (Basel, Switzerland) 28: PubMed37570835

2023

Resveratrol Mitigates Bisphenol A-Induced Metabolic Disruptions: Insights from Experimental Studies.

Applications

Unspecified application

Species

Unspecified reactive species

Muhammad Sajid Hamid Akash,Mutayyba Fatima,Kanwal Rehman,Qudsia Rehman,Zunera Chauhdary,Ahmed Nadeem,Tahir Maqbool Mir

International journal of molecular sciences 24: PubMed36674439

2023

Unique, Specific CART Receptor-Independent Regulatory Mechanism of CART(55-102) Peptide in Spinal Nociceptive Transmission and Its Relation to Dipeptidyl-Peptidase 4 (DDP4).

Applications

Unspecified application

Species

Unspecified reactive species

Márk Kozsurek,Kornél Király,Klára Gyimesi,Erika Lukácsi,Csaba Fekete,Balázs Gereben,Petra Mohácsik,Zsuzsanna Helyes,Kata Bölcskei,Valéria Tékus,Károly Pap,Edina Szűcs,Sándor Benyhe,Tímea Imre,Pál Szabó,Andrea Gajtkó,Krisztina Holló,Zita Puskár

Dose-response : a publication of International Hormesis Society 20:15593258221093275 PubMed35574252

2022

Biochemical Investigation of Inhibitory Activities of Plant-Derived Bioactive Compounds Against Carbohydrate and Glucagon-Like Peptide-1 Metabolizing Enzymes.

Applications

Unspecified application

Species

Unspecified reactive species

Muhammad Fiaz Khalid,Kanwal Rehman,Kanwal Irshad,Tahir Ali Chohan,Muhammad Sajid Hamid Akash

Nutrients 14: PubMed35458159

2022

The Inhibitory Effects of New Zealand Pine Bark (Enzogenol) on α-Amylase, α-Glucosidase, and Dipeptidyl Peptidase-4 (DPP-4) Enzymes.

Applications

Unspecified application

Species

Unspecified reactive species

Wen Xin Janice Lim,Cheryl S Gammon,Pamela von Hurst,Lynne Chepulis,Rachel A Page

Phytotherapy research : PTR 36:1297-1309 PubMed35088915

2022

A novel DPP-4 inhibitor Gramcyclin A attenuates cognitive deficits in APP/PS1/tau triple transgenic mice via enhancing brain GLP-1-dependent glucose uptake.

Applications

Unspecified application

Species

Unspecified reactive species

Zongyang Li,Yuan Zhang,Xiangbao Meng,Min Li,Weiwei Cao,Junshan Yang,Xudong Xu,Wenlan Liu,Weiping Li,Qian Cai,Sicen Wang,Guoxu Ma,Zhiheng Liu,Guodong Huang
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