Immune Pathways
Immune Pathways - Related Videos
01:38
What is the Immune System?
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2019
Overview The immune system comprises diverse biological structures and processes that protect the body from disease. These processes can be classified into innate and adaptive immunity. To work effectively, the immune system needs to detect pathogens by distinguishing the body’s own structures from foreign elements. If this determination fails, autoimmune diseases occur in which the immune system reacts against the body’s own tissue. The Innate Immune System Acts Fast and Non-specifically
02:29
Measuring Immune-Induced Inhibition of Seedling Growth
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2025
This video demonstrates the seedling growth inhibition assay in the Arabidopsis thaliana plant. The impact of increased concentration of immune peptide elicitor on seedling growth is determined.
05:07
Isolation, Characterization and Functional Examination of the Gingival Immune Cell Network
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Cited by 34 •
2016
We have established a technique for the isolation, phenotypic characterization and functional analysis of immune cells from murine gingiva.
01:36
Humoral Immune Responses
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2019
Overview The humoral immune response, also known as the antibody-mediated immune response, targets pathogens circulating in “humors,” or extracellular fluids, such as blood and lymph. Antibodies target invading pathogens for destruction via multiple defense mechanisms, including neutralization, opsonization, and activation of the complement system. Patients that are impaired in the production of antibodies suffer from severe and frequent infections by common pathogens and unusual pathogens. B...
15:39
Studying Organelle Dynamics in B Cells During Immune Synapse Formation
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Cited by 8 •
2019
Herein we describe two approaches to characterize cell polarization events in B lymphocytes during the formation of an IS. The first, involves quantification of organelle recruitment and cytoskeleton rearrangements at the synaptic membrane. The second is a biochemical approach, to characterize changes in composition of the centrosome, which undergoes polarization to the immune synapse.
FAQs
A key distinction between innate and adaptive branches is how they initiate specificity. Innate receptors respond to pathogen-associated or damage-associated signals, enabling rapid intracellular signaling. Adaptive responses depend on antigen presentation to activate specialized lymphocytes, linking recognition to more targeted defense and later immunological memory formation.
Intracellular signaling cascades translate receptor engagement into coordinated cellular outputs. These outputs include cytokine production, inflammation, and antimicrobial responses. Their importance lies in connecting an initial molecular signal with communication among immune cells and changes in tissues. Examining this sequence helps researchers relate a trigger to its downstream biological effects.
Antigen presentation provides the activating connection between recognized material and specialized lymphocytes. This process distinguishes the adaptive branch from innate receptor signaling by directing lymphocyte activation and supporting the development of immunological memory. Consequently, studying antigen presentation helps explain how immune responses become more specialized and how previous exposure can influence later defense.
Pathway analysis can begin by separating the initiating signal, the intracellular cascade, and the resulting cellular or tissue response. Researchers can then examine whether the pathway produces cytokines, inflammation, antimicrobial activity, lymphocyte activation, or memory. This organization connects molecular events with immune-cell communication and helps interpret how a pathway contributes to defense or homeostasis.
They are relevant whenever researchers examine infection, vaccination, autoimmune disease, cancer, or therapies designed to modify immune activity. The same signaling framework can therefore be studied across conditions involving harmful agents, abnormal immune recognition, or altered tissue behavior. Comparing pathway activity in these contexts helps identify how immune responses support protection or contribute to disease.
Immune pathways must coordinate defense while maintaining tissue homeostasis, meaning stable tissue function. Their study therefore includes how immune cells communicate and distinguish harmful agents from healthy tissue. This perspective is important for understanding why immune activity can protect tissues during threats yet become relevant to autoimmune disease or therapeutic strategies that alter immune responses.