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AnyGenes

UNDERSTANDING INNATE AND ADAPTIVE IMMUNITY

The immune system comprises two fundamental arms: innate and adaptive immunity. These systems work in tandem to protect the body against infections, maintain homeostasis, and repair tissue damage. While innate immunity provides rapid, non-specific defense, adaptive immunity offers long-term, specific protection, driven by components like antigen-presenting cells (APCs), T cell receptors (TCRs), and B cell receptors (BCRs).

Why choose anygenes® for immune system research?

AnyGenes® offers cutting-edge qPCR arrays designed for comprehensive analysis of immune system mechanisms. With our innovative solutions, researchers can:

  • Investigate key regulators of innate and adaptive immunity, such as cytokines, chemokines, and transcription factors.
  • Analyze interactions between immune pathways like NF-κB, JAK/STAT, and MAPK signaling.
  • Identify biomarkers linked to immune-related diseases and therapeutic responses.

Our qPCR arrays deliver high precision and reproducibility, empowering researchers to uncover new insights into immune function.

AnyGenes® qPCR array for studying innate and adaptive immunity, highlighting immune system components and pathways.

Discover our advanced qPCR arrays for Innate and Adaptive Immunity research.

Diagram illustrating the interplay between innate and adaptive immunity in the immune response.

Innate-adaptive immunity interplay in immune response.

INNATE IMMUNITY: THE FIRST LINE OF DEFENSE

The first line of defense, innate immunity provides immediate and non-specific protection. Key components include:

  • Physical Barriers: Skin, mucous membranes, and epithelial cells.
  • Cellular Defenses: Macrophages, neutrophils, dendritic cells, and natural killer (NK) cells and antigen-presenting cells (APCs).
  • Molecular Mechanisms: Cytokines, chemokines, and the complement system, which facilitate pathogen clearance.

Unlike adaptive immunity, innate immunity does not retain memory of previous encounters with pathogens, meaning it responds the same way each time.

ADAPTIVE IMMUNITY: THE SECOND LINE OF DEFENSE

Adaptive immunity is highly specific and provides long-term protection. It is characterized by:

  • B Cells: Produce antibodies to neutralize pathogens.
  • T Cells: Cytotoxic T cells destroy infected cells, while helper T cells activate other immune components through T cell receptors (TCRs).
  • Memory Cells: Enable faster, more robust responses upon re-exposure to pathogens.
  • Long-term Protection: The adaptive immune response provides sustained protection, often through the production of antibodies by B cells and their B cell receptors (BCRs).

Recent studies indicate that adaptive immunity can be influenced by innate immune responses, suggesting a more integrated approach to understanding how these systems work together in health and disease.

COORDINATION BETWEEN INNATE AND ADAPTIVE IMMUNITY

The innate and adaptive arms of the immune system are interconnected, working together to provide comprehensive protection:

  • Activation of Adaptive Immunity by Innate Signals: Innate immune cells, such as APCs, can present antigens to T cells, thereby activating adaptive responses. This crosstalk is vital for tailoring the immune response to specific pathogens.
  • Regulatory Mechanisms: The innate immune system not only activates but also modulates the effectiveness of the adaptive immune response. This regulation is crucial in preventing overactive immune responses that can lead to autoimmune diseases like rheumatoid arthritis and lupus.
  • Natural killer (NK) cells are crucial for recognizing and eliminating infected host cells. Understanding the functions of these various cell types is essential for developing targeted therapies against fungal infections.
  • Amplification: Adaptive immunity enhances innate mechanisms through cytokine signaling.
  • Resolution: Both systems contribute to resolving inflammation and promoting tissue repair.

<h4style="margin: 20px 0px 10px; line-height: 30px; font-weight: bold; color: #1f497d; letter-spacing: 1px; text-align: justify;">CLINICAL SIGNIFICANCE

Dysregulation of innate or adaptive immunity contributes to various conditions:

  • Autoimmune Diseases: Overactivation can lead to diseases like lupus, rheumatoid arthritis, and multiple sclerosis.
  • Infectious Diseases: Impaired immunity increases susceptibility to infections.
  • Cancer: Immune evasion by tumors highlights the role of immune checkpoints like PD-1/PD-L1 and the interplay between adaptive immune cells and tumor cells.
  • Metabolic Disorders: In conditions like obesity and diabetes, chronic inflammation driven by innate immune activation can exacerbate disease progression.

Researching these mechanisms is critical for developing novel therapies, including vaccines, immunotherapies, and strategies targeting T cell receptors (TCRs), B cell receptors (BCRs), and CD molecules.

(1) Sun L, et al. Innate-adaptive immunity interplay and redox regulation in immune response. Redox Biol. (2020);37:101759. 
(2) Netea MG, et al. Innate and Adaptive Immune Memory: an Evolutionary Continuum in the Host's Response to Pathogens. Cell Host Microbe. (2019);25(1):13-26.
(3) Zhang Y, et al. NLRP3 Inflammasome: Checkpoint Connecting Innate and Adaptive Immunity in Autoimmune Diseases. Front Immunol. (2021);12:732933.
(4) Roy P, et al. How the immune system shapes atherosclerosis: roles of innate and adaptive immunity. Nat Rev Immunol. (2022);22(4):251-265.
(5) Carsetti R, et al.  Different Innate and Adaptive Immune Responses to SARS-CoV-2 Infection of Asymptomatic, Mild, and Severe Cases. Front Immunol. (2020);11:610300.
(6) Schonhoff AM, et al. Innate and adaptive immune responses in Parkinson's disease. Prog Brain Res. (2020);252:169-216

INNATE & ADAPTIVE IMMUNITY SIGNALING PATHWAY BIOMARKER LIST

Customize your own signaling pathways (SignArrays®) with the factors of your choice!
Simply download and complete our Personalized SignArrays® information file and send it at [email protected] to get started on your project.

You can check the biomarker list included in this pathway, see below: