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Marker on immune cells
CD8 (cluster of differentiation 8) is a transmembrane glycoprotein that serves as a co-receptor for the T-cell receptor (TCR). Along with the TCR, the
CD8
T cell that kills infected, damaged or cancerous cells
TC, cytotoxic T lymphocyte, CTL, T-killer cell, cytolytic T cell, CD8+ T-cell or cd8) is a T lymphocyte (a type of white blood cell) that kills cancer
Cytotoxic_T_cell
Ratio of cells in immunology
cytotoxic T cells (with the surface marker CD8). Both CD4+ and CD8+ T cells contain several subsets. The CD4+/CD8+ ratio in the peripheral blood of healthy
CD4+/CD8+_ratio
Type of white blood cell
cells, each respectively named for the presence of proteins CD8 or CD4 on the cell surface. CD8+ T cells, also known as "killer T cells," are cytotoxic,
T_cell
Receptor on the surface of a eukaryotic cell
CD8.4 is a murine chimeric coreceptor. The extracellular and transmembrane part of the coreceptor is from wild-type CD8 coreceptor, whereas the intracellular
CD8.4
Protein-coding gene in humans
T-cell surface glycoprotein CD8 alpha chain (Cluster of Differentiation 8a), is a protein encoded by CD8A gene. The CD8 protein is a cell surface glycoprotein
CD8A
Type of immune cell
express CD4) or MHC class I (in the case of cytotoxic T cells which express CD8). MHC Class II binding pockets are flexible with respect to the length of
T_helper_cell
Type of cells of the immunological system
individual's immune system integrity. CD8+ cytotoxic T cells: T cells displaying co-receptor CD8 are known as CD8+ T cells. These cells bind antigens presented
White_blood_cell
Medical condition
leukemia are transformed CD8+ T-cell with clonal rearrangements of β chain T-cell receptor genes for the majority of cases and a CD8- T-cell with clonal rearrangements
Large granular lymphocytic leukemia
Large_granular_lymphocytic_leukemia
Medical condition
initial CD8+ T cell expansion that regularly occurs in an HIV infection. This persistent CD8+ T cell expansion occurs in the setting of a low CD4+/CD8+ T cell
Diffuse infiltrative lymphocytosis syndrome
Diffuse_infiltrative_lymphocytosis_syndrome
Apparent anti-HIV innate immune response
CD8+ cell noncytotoxic anti-HIV response appears to be an anti-HIV innate immune response because it can be observed in vitro with CD8+ cells from unexposed
CD8+ cell noncytotoxic anti-HIV response
CD8+_cell_noncytotoxic_anti-HIV_response
Subset of T lymphocytes
information is currently based on observations in the cytotoxic T cells (CD8-positive) subset, similar populations appear to exist for both the helper
Memory_T_cell
Mammalian protein found in humans
endogenous danger signals. In turn, clonal expansion of antigen-specific CD8+ T cells and/or CD4+ helper cells is propagated. The binding of PD-L1 to
PD-L1
Protein found in humans
on the surface of many immune cells (white blood cells), including CD4+, CD8+, B lymphocytes and natural killer cells. CD38 also functions in cell adhesion
CD38
Cell surface proteins, part of the adaptive immune system
T lymphocytes (CTLs). A CTL expresses CD8 receptors, in addition to T-cell receptors (TCRs). When a CTL's CD8 receptor docks to a MHC class I molecule
Major histocompatibility complex
Major_histocompatibility_complex
Premature form of T cells present in the thymus
(positive for both CD4 and CD8). The final stage in maturation is the single positive stage (positive for either CD4 or CD8). In humans, circulating CD34+
Thymocyte
Subsystem of the immune system
antigens are typically displayed on MHC class I molecules, and activate CD8+ cytotoxic T-cells. With the exception of non-nucleated cells (including
Adaptive_immune_system
the ability to directly kill infected cells. CD103 is expressed by many CD8+ TRM cells and rarely by CD4+ TRM cells, usually in conjunction with CD49a
Tissue-resident_memory_T_cell
Rare neurological inflammatory disease
Histological analysis of affected brain tissues reveals infiltration of cytotoxic CD8+ T lymphocytes, which target neurons and astrocytes. These immune cells release
Rasmussen_syndrome
Medical condition
Primary cutaneous acral CD8 positive T cell lymphoproliferative disorder (CD8+ TLPD) is one type of the lymphoproliferative disorders, subclass cutaneous
Primary cutaneous acral CD8 positive T cell lymphoproliferative disorder
Primary_cutaneous_acral_CD8_positive_T_cell_lymphoproliferative_disorder
Protein found in Homo sapiens
also on dermal interstitial CD103+ dendritic cells (DC) and on resident CD8+ DC in lymph nodes. Langerin consists of a relatively short intracellular
Langerin
Cellular process
molecules to CD8 T cells (cytotoxic T cells). Cross-priming, the result of this process, describes the stimulation of naive cytotoxic CD8+ T cells into
Cross-presentation
Oral sex on the penis by a sexual partner
unprotected sexual contact was oral sex developed systemic HIV-specific CD4+ and CD8+ T-cell immune responses, suggesting that oral exposure to HIV may be sufficient
Fellatio
Accessory cell of the mammalian immune system
dendritic cells are able to activate antigen-specific naive CD8+ T cells, the formation of CD8+ memory T cells requires the interaction of dendritic cells
Dendritic_cell
Marker on immune cells
main roles is to send signals to other types of immune cells, including CD8 killer cells, which then destroy the infectious particle. If CD4 cells become
CD4
Mammalian protein found in humans
lymphocytes. The major sources of IL-2 are activated CD4+ T cells and activated CD8+ T cells. Put shortly, the function of IL-2 is to stimulate the growth of
Interleukin_2
Protein complex and T cell co-receptor
cell co-receptor that is involved in activating both the cytotoxic T cell (CD8+ naive T cells) and T helper cells (CD4+ naive T cells). It is composed of
CD3_(immunology)
Lymphocytes that become large as a result of antigen stimulation
lymphocytes, atypical lymphocytes, Downey cells or Türk cells are cytotoxic (CD8+) lymphocytes that become large as a result of antigen stimulation. Typically
Reactive_lymphocyte
1991 box set by John Coltrane
The Prestige Recordings is a box set by jazz musician John Coltrane. In review for AllMusic Lindsay Planer wrote: "The 16 CDs in this compendium represent
The_Prestige_Recordings
InterPro Family
secreted by CD4+ T helper 1 (Th1) cells, natural killer (NK) cells, and CD8+ cytotoxic T cells. The expression of type II IFN is upregulated and downregulated
Interferon_gamma
Type of white blood cell
(IL-1RII). Another part of the adaptive immunity activation involves stimulating CD8+ via cross presentation of antigens peptides on MHC class I molecules. Studies
Macrophage
Medical diagnostic method
cytotoxic T lymphocyte (CTL) populations. CTLs are also called CD8+ T-cells, because they have CD8 co-receptors that bind to MHC class I molecules. Most cells
Tetramer_assay
Vital immune process that is essential for T cell immune response triggering
(also known as Tc, killer T cell, or cytotoxic T-lymphocyte (CTL)) express CD8 co-receptors and are a population of T cells that are specialized for inducing
Antigen_presentation
Severe skin reaction
together. It is theorized that CD8+ immune cells become overactive by stimulation from drugs or drug metabolites. CD8+ T cells then mediate keratinocyte
Toxic_epidermal_necrolysis
Class of enzymes
cardiomyocytes, chloride transport in epithelia, positive T-cell selection, and CD8 T-cell activation. Misregulation of CaMKII is linked to Alzheimer's disease
Ca2+/calmodulin-dependent protein kinase II
Ca2+/calmodulin-dependent_protein_kinase_II
Aspect of T-cell interactions
interactions between TCR and MHC and co-receptor interactions with CD4 or CD8 to signal T cell maturation occur during selection. The TCRs of T cells recognize
MHC_restriction
Chemical compound
telomerase activation activity. A preliminary in vitro study on human CD4 and CD8 T cells found that cycloastragenol may moderately increase telomerase activity
Cycloastragenol
Mammalian protein found in humans
transfected DCs and PD-1 expressing transgenic (Tg) CD4+ and CD8+ T cells suggest that CD8+ T cells are more susceptible to inhibition by PD-L1, although
Programmed cell death protein 1
Programmed_cell_death_protein_1
Type of cell receptor
by NK cells, but can also be found on a subset of T cells, especially on CD8+ cytotoxic T cells. NKG2A forms heterodimers with CD94 via disulfide bonds
NKG2A
Lab mouse strain lacking immunity and fur
and/or CD8+ T cells delayed-type hypersensitivity responses (require CD4+ T cells) killing of virus-infected or malignant cells (requires CD8+ cytotoxic
Nude_mouse
Pharmaceutical compound
CD122-preferential IL-2 pathway agonist designed to activate and proliferate CD8+ T cells and NK cells. It is being developed by Nektar Therapeutics. In August
Bempegaldesleukin
Protein-coding gene in the species Homo sapiens
2002 as a cell surface molecule expressed on IFNγ producing CD4+ Th1 and CD8+ Tc1 cells. Later, the expression was detected in Th17 cells, regulatory
HAVCR2
Protein-coding gene in the species Homo sapiens
γδ T cells, activated CD8+ αβ T cells and activated macrophages. In humans, it is expressed by NK cells, γδ T cells and CD8+ αβ T cells. NKG2D recognizes
NKG2D
Endocrine gland
receptor is formed, the thymocyte expresses the cell surface proteins CD4 and CD8 simultaneously. The survival and nature of the T cell then depend on its
Thymus
Immune response that does not involve antibodies
well. T-cell progenitors may differentiate into naïve CD8+ cells or naïve CD4+ cells. Naïve CD8+ cells may then further differentiate into TC1 cells upon
Cell-mediated_immunity
American businessman (born 1942)
Variety of 2006 AZ CD8 race campaign signs, including for Pederson
Jim Pederson (businessman and politician)
Jim_Pederson_(businessman_and_politician)
Protein-coding gene in the species Homo sapiens
cells through CD8+ T cell resilience that is essential for anti-tumor activity. The research suggests that the NKG7 protein allows the CD8+ T cells to continue
NKG7
Subtype of white blood cell
infected cells, tumour cells and allografts 19% (13–32%) TCRαβ, CD3 and CD8 Gamma delta T cells Immunoregulation and cytotoxicity 5% (2–8%) TCRγδ and
Lymphocyte
Protein-coding gene in the species Homo sapiens
inhibitory motif (ITIM)–like motif with the activating receptors CD4 or CD8 for binding the kinase LCK. The LAG3 gene contains 8 exons. The sequence
Lymphocyte-activation_gene_3
Abnormal formation of clumps of inflammatory cells (granulomata)
5) CD4/CD8 T cell ratio, which is indicative (but not proof) of pulmonary sarcoidosis. In at least one study, the induced sputum ratio of CD4/CD8 and the
Sarcoidosis
Medical diagnostic method
ratio, CD4:CD8 ratio) is a basic laboratory test in which the percentage of CD3+ lymphocytes in the blood positive for CD4 (T helper cells) and CD8 (a class
Helper/suppressor_ratio
JPL 472145 2014 CG6 — May 16, 2010 WISE WISE · 3.9 km MPC JPL 472146 2014 CD8 — September 25, 2006 Kitt Peak Spacewatch · 2.4 km MPC JPL 472147 2014 CD10
List of minor planets: 472001–473000
List_of_minor_planets:_472001–473000
Human retrovirus, cause of AIDS
viral killing of infected cells, and killing of infected CD4+ T cells by CD8+ cytotoxic lymphocytes that recognize infected cells. When CD4+ T cell numbers
HIV
T cell which has not yet encountered its cognate antigen
these are the naive forms of helper T cells (CD4+) and cytotoxic T cells (CD8+). Naive T cells, unlike activated or memory T cells, have not encountered
Naive_T_cell
Type of allergic reaction
release of other Th1 cytokines, thus mediating the immune response. Activated CD8+ T cells destroy target cells on contact, whereas activated macrophages produce
Type_IV_hypersensitivity
Tumors that affect the blood, bone marrow, lymph, and lymphatic system
T-cell lymphoma Primary cutaneous CD8-positive aggressive epidermotropic cytotoxic T-cell lymphoma Primary cutaneous acral CD8-positive T-cell lymphoma Primary
Tumors of the hematopoietic and lymphoid tissues
Tumors_of_the_hematopoietic_and_lymphoid_tissues
Interface between lymphocyte and target cell
(central-SMAC) composed of the θ isoform of protein kinase C, CD2, CD4, CD8, CD28, Lck, and Fyn. p-SMAC (peripheral-SMAC) within which the lymphocyte
Immunological_synapse
Protein-coding gene in the species Homo sapiens
signals exclusively through its receptor XCR1. Produced primarily by activated CD8+ T cells and natural killer (NK) cells, XCL1 functions as a chemoattractant
XCL1
Immune response to CMV infection
phenomenon is the formation and maintenance of a large population of specific CD8+ T cells in reaction to cytomegalovirus (CMV) infection. CMV is a worldwide
Memory_T_cell_inflation
Cell that displays antigen bound by MHC proteins on its surface
presented on MHC class I. Most cells in the body can present antigen to CD8+ cytotoxic T cells via MHC class I; however, the term "antigen-presenting
Antigen-presenting_cell
Protein-coding gene in the species Homo sapiens
transduction CD8-positive, alpha-beta intraepithelial T cell differentiation negative regulation of tumor necrosis factor production CD8-positive, gamma-delta
GPR18
Rare reaction to certain medications
reaction in which a drug or its metabolite stimulates cytotoxic T cells (i.e. CD8+ T cells) or T helper cells (i.e. CD4+ T cells) to initiate autoimmune reactions
Drug rash with eosinophilia and systemic symptoms
Drug_rash_with_eosinophilia_and_systemic_symptoms
Molecule made of five monomers
immunology, an MHC pentamer is a reagent used to detect antigen-specific CD8+ T cells. Wikimedia Commons has media related to Pentamers. penta prefix
Pentamer
French virologist and Nobel laureate (born 1947)
(2009). "Heterogeneity in HIV Suppression by CD8 T Cells from HIV Controllers: Association with Gag-Specific CD8 T Cell Responses". The Journal of Immunology
Françoise_Barré-Sinoussi
BH20 — January 26, 2000 Kitt Peak Spacewatch · 1.1 km MPC JPL 210612 2000 CD8 — February 2, 2000 Socorro LINEAR (5) 2.1 km MPC JPL 210613 2000 CO78 — February
List of minor planets: 210001–211000
List_of_minor_planets:_210001–211000
Chemical compound
phosphodiesterase 7: in vitro studies in human monocytes, lung macrophages, and CD8+ T-lymphocytes" (PDF). Molecular Pharmacology. 66 (6): 1679–89. doi:10.1124/mol
BRL-50481
6, 1989 Ayashi Station M. Koishikawa · 13 km (8.1 mi) MPC JPL 8085 1989 CD8 — February 7, 1989 La Silla H. Debehogne EOS 12 km (7.5 mi) MPC JPL 8086
List of minor planets: 8001–9000
List_of_minor_planets:_8001–9000
cell TC cell Killer T cell T killer cell Cytotoxic T lymphocyte CTL CD8+ cell CD8-positive cell 8-10 Virus-infected cells Cancer cells Recruits and communicates
List_of_immune_cells
Genetically engineered T cell
can bear either of two types of co-receptors, CD4 and CD8. These two cell types, called CD4+ and CD8+, respectively, have different and interacting cytotoxic
CAR_T_cell
Lymphocyte protein
Lck is less prominent in the activation or in the maintenance of memory CD8 T cells in comparison to CD4 T cells. In addition, the constitutive activity
Tyrosin-protein_kinase_Lck
Form of cancer immunotherapy
co-stimulation contributes to ligand-induced T cell receptor down-modulation on CD8+ T cells". EMBO Molecular Medicine. 3 (10): 581–92. doi:10.1002/emmm.201100165
Checkpoint_inhibitor
Medical condition
CM, Crowson AN, Morrison C, Merati K, Porcu P, Wright ED (April 2006). "CD8+ lymphomatoid papulosis and its differential diagnosis". American Journal
Lymphomatoid_papulosis
Elimination of autoreactive lymphocytes by the immune system
(MHC class I) molecules become CD4- CD8+ and thymocytes whose TCR recognize MHCII (MHC class II) become CD4+ CD8-. Subsequently, the positively selected
Central_tolerance
Protein found in humans
effector memory CD8+ T cells where the activating signaling via CD244 enhances their proliferation and cytotoxic effect. NK cells and CD8+ T cells play
CD244
method, "Kansei reki", with Hazama Shigetomi. JPL · 12365 12366 Luisapla 1994 CD8 Luisa Pla, Spanish-Venezuelan teacher of French, born in Villarrobledo co-founder
Meanings of minor-planet names: 12001–13000
Meanings_of_minor-planet_names:_12001–13000
Immune hypersensitivity reaction causing rash
The pathogenic immune response in EM involves both CD4+ helper T cells and CD8+ cytotoxic T cells, which orchestrate a type IV hypersensitivity reaction
Erythema_multiforme
T cells with some properties of natural killer cells
tuberculosis. NKT cells include both NK1.1+ and NK1.1−, as well as CD4+, CD4−, CD8+ and CD8− cells. Natural killer T cells can share other features with NK cells
Natural_killer_T_cell
Protein family
and Cytomegalovirus that allows them to evade the human immune system's CD8 T-cell response by interfering with an infected cell's ability to show viral
Infected_cell_protein_47
Protein found in Homo sapiens
on other lymphoid cells, including gamma delta (γδ) Τ cells and activated CD8+ T cells, as well as on dendritic cells. NCAM1 has been implicated as having
Neural cell adhesion molecule 1
Neural_cell_adhesion_molecule_1
Classification in immunology
of CD8). Human immunodeficiency virus binds CD4 and a chemokine receptor on the surface of a T helper cell to gain entry. The number of CD4 and CD8 T cells
Cluster_of_differentiation
1999 CQ7 — February 10, 1999 Socorro LINEAR PHO 3.9 km MPC JPL 85877 1999 CD8 — February 13, 1999 Farpoint G. Hug, G. Bell · 2.4 km MPC JPL 85878 Guzik
List of minor planets: 85001–86000
List_of_minor_planets:_85001–86000
Medical condition
CCL2/MCP-1, CCL5/RANTES and CCL17/TARC which result in chemoattracted CD4+ and CD8+ T cell populations to the surrounding area may be responsible for exerting
Cholinergic_urticaria
Pharmaceutical compound
nor affect locomotor activity in rodents. It has been found to enhance CD8+ T cell-mediated antitumor immunity and inflammation and to suppress colorectal
IHCH-8110
Member of the polyomavirus family
for or against its use. Adoptive cell transfer of virus-specific CD4 and CD8 T cells is said to be safe and effective in one clinical trial. The T cells
BK_virus
Quaternary-structure protein with 4 subunits
mouse. Antigen specific responses can be measured as CD8+, tetramer+ T cells as a fraction of all CD8+ lymphocytes. The reason for using a tetramer, as opposed
Tetrameric_protein
Topics referred to by the same term
model for scientific explanation Double negative T cells, also called CD4−CD8− Diabetic nephropathy Diabetic neuropathy DN Factor, a value used to calculate
DN
from a sample. Those antibodies are e.g. targeted to CD2, CD3, CD4, CD5, CD8, NK1.1, B220, TER-119, and Gr-1 in mice and CD3 (T lymphocytes), CD14 (Monocytes)
Lineage_markers
Infection caused by Salmonella bacteria
Further experiments focused on CD8+ cytotoxic lymphocytes revealed their crucial role in Salmonella clearance. Depletion of CD8+ T cells resulted in the failure
Salmonellosis
Surroundings of tumors including nearby cells and blood vessels
tumorigenesis, including cytotoxic T cells (CD8+), T helper 1 (Th-1) cells and regulatory T cells (Tregs). CD8+ cells are tumor-antagonizing cells that recognize
Tumor_microenvironment
Protein found in humans
et al. (May 2024). "LRIG1 engages ligand VISTA and impairs tumor-specific CD8(+) T cell responses". Science Immunology. 9 (95) eadi7418. doi:10.1126/sciimmunol
V-set immunoregulatory receptor
V-set_immunoregulatory_receptor
Common viral infectious disease
are invaded via their CD21). The host immune response involves cytotoxic (CD8-positive) T cells against infected B lymphocytes, resulting in enlarged,
Infectious_mononucleosis
Type of vaccine used to treat existing cancer
that CD4+ T cells induce more durable immune-mediated tumor control than CD8+ T cells. Even though CD4+ T cells are known to play a central role in regulating
Cancer vaccine targeting CD4+ T cells
Cancer_vaccine_targeting_CD4+_T_cells
Cytokine with structural similarity to Interleukin-2
cytokines to compete for and negatively regulate each other's activity. CD8+ memory T cell number is controlled by a balance between IL-15 and IL-2.
Interleukin_15
Multiple strains of HIV in one person
acute HIV infection, CD8+ T-cells control viral replication and maintain it at a viral set point. Following superinfection, CD8+ T-cells lose control
HIV_superinfection
South Korean immunologist (born 1971)
with hepatitis A virus (HAV). He found that pre-existing bystander memory CD8+ T cells are unexpectedly activated by cytokines (e.g., IL-15) regardless
Eui-Cheol_Shin
One of the two types of white blood cells
the immune response (they are what becomes defective in an HIV infection). CD8+ (cytotoxic) T cells and natural killer cells are able to kill cells of the
Agranulocyte
Type of antigen
has a unique ability to bind antigens from a microorganism that triggers a CD8 T-cell response that cross-reacts with a HLA-B27/self-peptide pair. HLA-B27
HLA-B27
Form of protein microarray
the immune status, i.e., the concentrations and ratios of CD3+, CD4+, and CD8+ T cells, in the blood of HIV-infected individuals. The theoretical background
Antibody_microarray
Inflammatory demyelinating disease
T-cells with low numbers of CD8+ T-cells and B-cells; the dominant lymphocytes in active MS lesions are tissue resident CD8+ effector memory T-cells and
MOG_antibody_disease
White blood cells of the immune system
generated in vitro. Additional regulatory T cell populations include Tr1, Th3, CD8+CD28−, and Qa-1 restricted T cells. The contribution of these populations
Regulatory_T_cell
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