In Vitro Efficacy Testing Services for Severe Combined Immunodeficiency Disease
Drug R&D Solutions

In Vitro Efficacy Testing Services for Severe Combined Immunodeficiency Disease

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We provide robust and sensitive in vitro screening and characterization platforms for accelerating the discovery and screening of potential therapies for Severe Combined Immunodeficiency Disease (SCID). Our services are tailored to evaluate the efficacy and mechanism of novel compounds targeting the genetic and immunological deficiencies characteristic of SCID. Key targets include interleukin receptors (such as IL2RG), adenosine deaminase (ADA), and other proteins critical for lymphocyte development and function. We assess pathological processes such as impaired lymphocyte proliferation, cytokine signaling disruptions, and defective immune responses.

Our comprehensive suite of in vitro assays includes bioluminescent, chemiluminescent, ELISA, FRET, and fluorescent assays to evaluate drug efficacy and mechanism of action. These methods enable precise quantification of biological activities, protein interactions, enzyme functions, and pathway modulation relevant to SCID. The use of multiple assay formats ensures flexibility and sensitivity for different stages of drug discovery.

Bioluminescent assay: Utilizes light-emitting reactions to measure cellular or biochemical activities, offering high sensitivity for detecting changes in immune cell function or enzyme activity.

Chemiluminescent assay: Detects the emission of light from chemical reactions, providing a versatile and sensitive method for quantifying immune-related analytes or monitoring cell-based responses.

ELISA assay: Employs enzyme-linked antibodies to detect and quantify specific proteins or cytokines, widely used for measuring immune markers and evaluating therapeutic effects in SCID models.

Fluorescence resonance energy transfer (FRET) assay: Measures energy transfer between fluorescent molecules to analyze molecular interactions, ideal for studying protein-protein interactions or signal transduction pathways relevant to SCID.

Fluorescent assay: Uses fluorescent probes to monitor biological processes, enzyme activities, or cell viability, enabling rapid and accurate assessment of drug responses.

We measure key pharmacological parameters such as EC-50, IC-50, and Ki to quantitatively characterize the potency and efficacy of candidate compounds. These parameters are critical for comparing drug candidates, optimizing lead compounds, and understanding mechanism of action. Accurate parameter determination supports rational decision-making during preclinical development.

EC-50: The concentration of a compound that produces 50% of its maximal effect, essential for assessing drug potency and guiding dose selection.

IC-50: The concentration of an inhibitor required to reduce a specific biological or biochemical function by 50%, important for evaluating the effectiveness of inhibitory compounds.

Ki: The equilibrium constant for inhibitor binding, reflecting affinity for the target and supporting structure-activity relationship studies in drug optimization.

Recommended In Vitro Efficacy Tests

Adenosine A2A Receptor

Our Adenosine A2A Receptor testing service supports Severe Combined Immunodeficiency Disease (SCID) drug development by evaluating compounds that modulate this receptor, which regulates immune cell activity in SCID. Utilizing a sensitive Fluorescence Resonance Energy Transfer (FRET) assay, we accurately measure drug-receptor interactions. Key parameters such as IC-50 values are determined, providing critical data for assessing compound potency and guiding therapeutic optimization.

Pharmacological Activity Material Method Parameter
cAMP production (adenosine-induced), inhibition HEK293 human embryonic kidney cells transfected with human A2A receptor Fluorescence resonance energy transfer (FRET) assay IC-50

Adenosine A2B Receptor

Our Adenosine A2B Receptor testing service supports Severe Combined Immunodeficiency Disease (SCID) drug development by evaluating compounds that target this receptor, which modulates immune responses implicated in SCID. Using a sensitive Fluorescence Resonance Energy Transfer (FRET) assay, we accurately determine compound potency, reporting IC-50 values as the main parameter. This testing is crucial for identifying effective therapeutic candidates by assessing receptor-specific drug activity.

Pharmacological Activity Material Method Parameter
cAMP production (adenosine-induced), inhibition HEK293 human embryonic kidney cells transfected with human A2B receptor Fluorescence resonance energy transfer (FRET) assay IC-50

Atp Binding Cassette Subfamily B Member 11

ATP Binding Cassette Subfamily B Member 11 (ABCB11) plays a crucial role in bile acid transport, and its dysfunction may impact Severe Combined Immunodeficiency Disease (SCID) drug metabolism. Testing ABCB11 activity is essential for optimizing drug development in SCID. Bioluminescent and chemiluminescent assays are employed to assess transporter function, with EC-50 as the main parameter, ensuring accurate evaluation of potential therapeutics’ efficacy and safety.

Pharmacological Activity Material Method Parameter
Bile salt export pump (BSEP [ABCB11]) (E297G-mutated), induction HEK293 human embryonic kidney cells transfected with human transporter Bioluminescent assay EC-50
Protein (ABCB11) (E297G-mutated) expression, induction HEK293 human embryonic kidney cells Chemiluminescent assay EC-50

Janus Kinase 1

Janus Kinase 1 (JAK1) is crucial for cytokine signaling, and its dysfunction is implicated in Severe Combined Immunodeficiency Disease (SCID). JAK1 testing is essential to evaluate potential drug candidates targeting this pathway. Our service utilizes a fluorescence resonance energy transfer (FRET) assay to accurately measure JAK1 inhibition. The primary parameter assessed is IC-50, indicating the drug concentration required to inhibit 50% of JAK1 activity, supporting effective SCID drug development.

Pharmacological Activity Material Method Parameter
Protein-tyrosine kinase (JAK1), inhibition Recombinant human enzyme Fluorescence resonance energy transfer (FRET) assay IC-50
Protein-tyrosine kinase (JAK1), inhibition IC-50

Janus Kinase 2

Janus Kinase 2 (JAK2) plays a pivotal role in immune signaling, and its dysregulation is implicated in Severe Combined Immunodeficiency Disease (SCID). JAK2 testing is crucial for evaluating drug candidates targeting immune pathways. Our service utilizes a fluorescence resonance energy transfer (FRET) assay to accurately measure JAK2 activity, with IC50 determination as a key parameter for assessing compound potency and efficacy in SCID drug development.

Pharmacological Activity Material Method Parameter
Protein-tyrosine kinase (JAK2), inhibition Recombinant human enzyme Fluorescence resonance energy transfer (FRET) assay IC-50
Protein-tyrosine kinase (JAK2), inhibition IC-50

Janus Kinase 3

Janus Kinase 3 (JAK3) is crucial for lymphocyte development, and its dysfunction leads to Severe Combined Immunodeficiency Disease (SCID). JAK3 testing is vital in drug development for identifying inhibitors that may restore immune function or modulate JAK3 activity. Our service employs a Fluorescence Resonance Energy Transfer (FRET) assay to accurately measure JAK3 inhibition, providing IC-50 values to assess compound potency and guide therapeutic optimization.

Pharmacological Activity Material Method Parameter
Protein-tyrosine kinase (JAK3), inhibition Recombinant human enzyme Fluorescence resonance energy transfer (FRET) assay IC-50
Protein-tyrosine kinase (JAK3), inhibition IC-50

Kit Proto-Oncogene, Receptor Tyrosine Kinase

Kit Proto-Oncogene, Receptor Tyrosine Kinase plays a crucial role in hematopoietic cell development, and its dysfunction is linked to Severe Combined Immunodeficiency Disease (SCID). Accurate testing is vital for identifying therapeutic targets in SCID drug development. Our service uses chemiluminescent and ELISA assays to quantify KIT activity, enabling precise IC-50 determination for candidate compounds, thus supporting the evaluation of drug efficacy and potency in modulating KIT signaling.

Pharmacological Activity Material Method Parameter
G-quadruplex DNA (c-kit) affinity Human enzyme ELISA assay IC-50
Mitogenesis (stem cell factor-induced), inhibition Hematopoietic progenitor cells (CD34+), human Chemiluminescent assay IC-50
Mitogenesis (stem cell factor-induced), inhibition TF1 human erythroleukemia cells Chemiluminescent assay IC-50

Protein Tyrosine Phosphatase Receptor Type C

Protein Tyrosine Phosphatase Receptor Type C (PTPRC) plays a critical role in immune cell signaling, and its dysfunction is implicated in Severe Combined Immunodeficiency Disease (SCID). Accurate PTPRC testing is essential for SCID drug development to evaluate therapeutic efficacy. Our service uses a sensitive fluorescent assay to measure PTPRC activity, focusing on Ki determination, enabling precise assessment of inhibitor potency in preclinical studies.

Pharmacological Activity Material Method Parameter
Protein-tyrosine phosphatase PTPRC (CD45), inhibition Human enzyme Fluorescent assay Ki
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