Hypersensitivity

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Map view:

Zoom: 100%

More settings

Connection length 100% Label size 100% Node size 100% Line width 100% Label width 100%

Export map as:

Hypersensitivity topic overview

The analysis highlights Type I hypersensitivity, Type III hypersensitivity and Type II hypersensitivity as prominent areas in the source structure around Hypersensitivity.

Related topics: 119
Source areas: 7
Connected nodes: 126
Extracted relationships: 135
Concept neighborhoods: 41
Bridge connections: 126

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Type I hypersensitivity · 38 topics

Overview · 24 topics

Type III hypersensitivity · 21 topics

Type II hypersensitivity · 16 topics

Effects of Immunodeficiencies on Hypersensitivity Reactions · 14 topics

Terminology · 3 topics

Type IV hypersensitivity · 3 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Specialty: Immunology

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Pathogens Pathogen
Antigen
Hay fever
Asthma
Philip George Houthem Gell
Robin Coombs
Gell and Coombs classification Hypersensitivity
Type I Type I hypersensitivity
Immunoglobulin E
Type II Type II hypersensitivity
IgG
IgM
Type III Type III hypersensitivity
Immune complex
Complement system
Phagocytes
Type IV Type IV hypersensitivity
T cell T cells
Type 1 Th1 cell
Type 2 Th2
Type 3 T helper 17 cell
Autoimmune diseases Autoimmune disease
Hypersensitivity pneumonitis
Adverse drug reactions Adverse drug reaction

Terminology

Allergy
Nickel allergy
FPIES Food protein-induced enterocolitis syndrome

Type I hypersensitivity

Affinity Binding affinity
Class-switching Immunoglobulin class switching
Has been observed Alpha-gal syndrome
Helminths
Arthropods Arthropod
Venoms Venom
Sensitization Sensitization (immunology)
Atopic Atopy
FcεRI FCER1
ORAI1
Histamine
Heparin
Tryptase
Chymase
IL-1β Interleukin 1 beta
Extracellular matrix
PGD2 Prostaglandin D2
CRTH2 (CD294) Prostaglandin DP2 receptor
LTC4/LTD4 Leukotriene
Platelet-activating factor (PAF) Platelet-activating factor
Anaphylaxis
Bradykinin
Angioedema
Scombroid food poisoning
Pretest probability Pre- and post-test probability
Antihistamines Antihistamine
Anti-IgE monoclonal antibodies Omalizumab
IL-4 Interleukin 4
IL-13 Interleukin 13
IL-5 Interleukin 5
TSLP Thymic stromal lymphopoietin
Cysteinyl-leukotriene receptor antagonists Leukotriene receptor antagonists
5-lipoxygenase inhibitors
Mast cell stabilizers Mast cell stabilizer
Allergic conjunctivitis
Desensitization Allergen immunotherapy
Adjuvant Immunologic adjuvant
Regulatory T cells Regulatory T cell

Type II hypersensitivity

Graves's disease Graves' disease
Myasthenia gravis
Membrane attack complex Complement membrane attack complex
Anaphylatoxin
Opsonization
Antibody-dependent cellular cytotoxicity
Opsonization and phagocytosis Opsonin
Degranulation
Reactive oxygen species
Costimulatory Co-stimulation
MHC class II
Linear IgA disease Linear IgA bullous dermatosis
IgA pemphigus
Autoimmune hemolytic anemias Autoimmune hemolytic anemia
Coombs test
Clumping of the red blood cells Agglutination

Type III hypersensitivity

Neutrophils Neutrophil
FcγR Fc receptor
C5a receptor
RSV vaccines Respiratory syncytial virus vaccine
Alum Vaccine adjuvant
Vaccine-associated enhanced respiratory disease, VAERD Vaccine-associated enhanced respiratory disease
Measles
C4 Complement component 4
C3 Complement component 3
Classical pathway Classical complement pathway
SLE Lupus
Factor B Complement factor B
Properdin
Alternative pathway Alternative complement pathway
Membranoproliferative glomerulonephritis
Kupffer cells Kupffer cell
Rheumatoid factor
IgG4
Afucosylation Fucose
Sialylation
Galactosylation Galactose

Type IV hypersensitivity

Effects of Immunodeficiencies on Hypersensitivity Reactions

Psoriasis
HIV
Acute retroviral syndrome
Complement deficiency
IgA deficiency Selective immunoglobulin A deficiency
Celiac disease Coeliac disease
Tissue transglutaminase
Gliadin
IgA deficiency
Omenn syndrome
Severe combined immunodeficiency
Autoreactive Autoreactive lymphocyte
Type 2 cytokines Type 2 cytokine
Eosinophilia

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Hypersensitivity connects Entity context

The extracted context around Hypersensitivity shows recurring relationship patterns in the source. For example, Hypersensitivity → Additionally, Arthus, As, C5a, FcγR, FcγR's, FcγRs, For, However, II, III, In, Nonetheless, RSV, Similar, Textbooks, These, Type III, VAERD Another extracted example is Hypersensitivity → Additional, Alternatively, Anti-IgE, Corticosteroids, Despite, FcεRI, For, Histamine, However, IgE, IgE-mediated, IL-13, IL-4, IL-5, In, Leukotriene-pathway, Premedication, TSLP. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to Type III hypersensitivity · 19

Hypersensitivity → Additionally, Arthus, As, C5a, FcγR, FcγR's, FcγRs, For, However, II, III, In, Nonetheless, RSV, Similar, Textbooks, These, Type III, VAERD

related to Management · 18

Hypersensitivity → Additional, Alternatively, Anti-IgE, Corticosteroids, Despite, FcεRI, For, Histamine, However, IgE, IgE-mediated, IL-13, IL-4, IL-5, In, Leukotriene-pathway, Premedication, TSLP

has effect · 17

Hypersensitivity → Celiac, Complement, Despite, EAACI, HIV, However, IgA, IgE, III, Intuitively, IV, IVb, IVd, Omenn, Psoriasis, Th17, This

related to Terminology · 16

Hypersensitivity → Confusingly, Coombs, Coombs's, Despite, EAACI, FPIES, Gell, However, IgE, IgE-mediated, The, There, These, This, VI, VII

related to Molecular mechanisms · 14

Hypersensitivity → Antibody, Antigen, Fab, Fc, For, IgG4, IgM, III, Immune, In, Kupffer, Large, Rheumatoid, The

related to Type IV hypersensitivity · 14

Hypersensitivity → CD4, DTH, Formally, IgE, II, II MHC, III, Initially, IV, IVa, Re-exposure, The, They, Type IV

related to Pathogenesis · 13

Hypersensitivity → FcεRI, However, IgE, IgE-secreting, IgG, IgM, Mast, Once, Only, Sensitization, The, There, This

related to Diagnosis · 9

Hypersensitivity → Component-resolved, DBPCFC, For, IgE, Otherwise, Test, The, This, Type

related to Type II hypersensitivity · 5

Hypersensitivity → IgG, IgM, Physiological, The, Type II

related to Gell and Coombs classification · 3

Hypersensitivity → Coombs, The Gell, These

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

type immune reactions hypersensitivities iii cells antigen ii iv ige reaction may also classification exposure responses coombs complement complexes gell

Hypersensitivity relationships Subject–Predicate–Object triples

TTTA extracted 135 structured relationships around Hypersensitivity. Examples in this analysis include Hypersensitivity → Specialty → Immunology and Hypersensitivity → is a → most widely used. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
Hypersensitivity	Specialty	Immunology	1.00	infobox
Hypersensitivity	is a	most widely used	0.90	text
IL-4	instance of	blocking key type 2 cytokines	0.80	text
IL-13 helps to control allergic inflammation	instance of	blocking key type 2 cytokines	0.80	text
many drugs	instance of	often covalent for classic haptens	0.80	text
lupus	instance of	Despite the centrality of complement in type III hypersensitivities	0.80	text
complement deficiencies	instance of	Despite the centrality of complement in type III hypersensitivities	0.80	text
Hypersensitivity	has effect	Intuitively	0.60	section
Hypersensitivity	has effect	However	0.60	section
Hypersensitivity	has effect	Psoriasis	0.60	section
Hypersensitivity	has effect	IV	0.60	section
Hypersensitivity	has effect	IVd	0.60	section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Hypersensitivity bring nearby vocabulary together. In this analysis, examples include Type, Reactions and Reaction. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

Hypersensitivity
- Type
- Reactions
- Reaction
- Iv
- Iii
- Gell
- Exposure
- Mechanisms
- Ii
- May
- Classification
- Coombs
hypersensitivity
- Type
- Reactions
- Reaction
- Iv
- Iii
- Gell
- Exposure
- Mechanisms
- Ii
- May
- Classification
- Coombs
antigen
- Antibody
- Immune
- Complex
- Cell
- Ige
- Antibodies
- Exposure
- Cells
- Sensitization
- Complexes
- May
- Occurs
type i
- Hypersensitivities
- Iii
- Iv
- Ii
- Reactions
- Exposure
- Cells
- Often
- Cell
- Ige
- Antibodies
- Example
type ii
- Iii
- Hypersensitivities
- Iv
- Ii
- Type
- Reactions
- Antibodies
- Mechanisms
- Exposure
- Reaction
- Cells
- May
type iii
- Hypersensitivities
- Iii
- Iv
- Type
- Ii
- Reactions
- Complement
- Immune
- Complex
- Mechanisms
- Occur
- Types
immune complex
- Complexes
- Antibody
- Complex
- Immune
- Responses
- Complement
- Iii
- Classification
- Occur
- Type
- Ii
- Tissue
type iv
- Hypersensitivities
- Iii
- Iv
- Type
- Ii
- Reactions
- Reaction
- Types
- Exposure
- Cell
- Responses
- Cells

Connections between topic areas Semantic bridges

For Hypersensitivity, one of the stronger structural bridges in this analysis connects Hypersensitivity with Type I hypersensitivity. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Hypersensitivity — Type I hypersensitivity · splits 88 ⟂ 39

Hypersensitivity — Overview · splits 102 ⟂ 25

Hypersensitivity — Type III hypersensitivity · splits 105 ⟂ 22

Hypersensitivity — Type II hypersensitivity · splits 110 ⟂ 17

Hypersensitivity — Effects of Immunodeficiencies on Hypersensitivity Reactions · splits 112 ⟂ 15

Hypersensitivity — Terminology · splits 123 ⟂ 4

Hypersensitivity — Type IV hypersensitivity · splits 123 ⟂ 4

Map overview Semantic statistics

Hypersensitivity

Nodes127

Edges126

Triples135

Avg. degree1.98

Density0.015748

Components1

Source & methodology

TTTA analyzes the structure around Hypersensitivity to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Type I hypersensitivity, Type III hypersensitivity & Type II hypersensitivity, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Hypersensitivity · EN edition · Analysis: TopicsToTalkAbout