3614 results for 'TNF-β'

The human body is a complex and intricate system where various components work together to maintain health and combat potential threats. Among these essential players are the TNF cyt

Immunology · Cytokine SignallingTNF-alpha and Inflammation: Structure, Signalling & TherapyTumour necrosis factor alpha (TNF-α) is one of the most important pro-inflammatory cytokines in the body. Sig

Almost any inflammatory phenotype in a mouse can be assigned to a cytokine by taking that cytokine away. Neutralisation is the most direct causal test immunology has: inject a functional-grade antibo

Introduction to TNFRSF9 and Its Role in Immune ActivationTNFRSF9, also known as 4-1BB or CD137, is a co-stimulatory receptor expressed on the surface of T cells, natural killer (NK) cells

Toll-like receptors are the reason a milligram of endotoxin can kill a mouse. They are the fastest, least discriminating layer of immunity: germline-encoded sensors that read conserved microbial chem

In recent years, cancer immunotherapy has become a powerful tool for treating various malignancies. One promising approach involves targeting the tumor microenvironment, particularly regu

Double-stranded DNA in the cytosol is always a mistake. A virus has uncoated, a mitochondrion has ruptured, a micronucleus has burst, or a chromosome has been broken and left unrepaired. cGAS treats

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Understanding the immune system's intricacies requires models that accurately reflect its complexity. The rat, as a model organism, plays a crucial role in immunological research, particularly in

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A macrophage does not decide to eat; it counts votes. Every particle it touches carries a mixture of pro-phagocytic and inhibitory ligands, and engulfment follows only when the activating tally clear

Every leukocyte that reaches an inflamed tissue has solved the same mechanical problem. It must stop, in under a second, against a shear flow that would otherwise sweep it past the site of infection.

As atherosclerosis is a complex inflammatory disease, there are many influential biomarkers that contribute to the disease’s progression as well as biomarkers from atherosclerosis related di

CD4+ T cells are central to the immune system, functioning as coordinators of immune responses and regulators of immune tolerance. These cells are divided into two primary subtypes: Helpe

Quick Facts About EldelumabWhat is Eldelumab?Eldelumab is a monoclonal antibody targeting TNFSF14 (LIGHT), a key regulator in immune system signaling, with potential applications in infl

Cell Signalling · InflammationMAPK Signalling in Inflammatory Cytokine PathwaysMAPK cascades convert receptor engagement into changes in gene expression, and in inflammation they do it in both directi

Transforming Growth Factor-Beta (TGF-β) signaling pathway plays a pivotal role in orchestrating various cellular processes, ranging from embryonic development to tissue homeostasis and immune resp

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What is a Macrophage? Macrophages are indeed a type of phagocyte, responsible for engulfing and destroying foreign particles and cellular debris. They are larger cells with more cytoplasm an

Almost all of the TGF-β in a tissue is already there, and almost none of it is active. That single fact reorganises how the pathway should be studied. Unlike most cytokines, TGF-β is deposited into t

Natural killer (NK) cells are a crucial component of the innate immune system and play a significant role in eliminating tumor cells. Unlike T cells, NK cells can recognize and kill cance

Introduction to TLR4 and Cancer Toll-like receptor 4 (TLR4) is a key component of the innate immune system, primarily responsible for detecting infections and initiating inflammatory resp

Biologics · TNF InhibitionAdalimumab: Mechanism, Clinical Applications and BiosimilarsAdalimumab is a fully human IgG1 monoclonal antibody that binds tumour necrosis factor alpha and prevents it engag

The antigen tells a CD4 T cell to respond; the cytokine tells it what kind of response to make. A naive CD4⁺ T cell leaving the thymus is uncommitted. Within about seventy-two hours of engaging TCR/C

In the realm of immunology, CXCL chemokines emerge as fascinating conductors. These small proteins, marked by their CXC motif, wield considerable influence over our immune responses and a ra

NF-κB is not one pathway, it is two clocks running at different speeds. The canonical arm fires within minutes of TNF-α, IL-1β or LPS reaching the surface, peaks, and is switched off by feedback it e

Apoptosis is not one pathway but three routes into the same execution machinery. A death ligand at the surface, a mitochondrion that loses outer-membrane integrity, and a granzyme delivered by a cyto

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Regulatory T cells cannot make the cytokine they depend on. FOXP3 represses the Il2 locus, so every Treg lives on IL-2 secreted by the conventional T cells it exists to restrain. That asymmetry expla

Endocrinology · ImmunologyCortisol and the Immune ResponseCortisol is the body’s primary stress hormone — a glucocorticoid released by the adrenal gland that powerfully shapes the immune system. Actin

Microbiology · AntibioticsPenicillin vs Streptomycin: The Battle of AntibioticsPenicillin and streptomycin are two of the most important antibiotics ever discovered — and they work in completely diffe

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CD155 is read by four different receptors, and only one of them turns the killing programme on. The nectin and nectin-like ligands induced on stressed and transformed cells are simultaneously an acti

Both interferon families run through STAT1, and that single shared subunit is why they are so often conflated — and why conflating them is a mistake. Type I interferon assembles STAT1 into a three-pa

Two drugs aimed at the same axis can give opposite results in the same disease. Blocking IL-23p19 is highly effective in psoriasis and works in Crohn’s disease. Blocking IL-17A directly is highly eff

In most solid tumours the largest immune population is not a T cell. It is a myeloid cell that has been recruited, expanded and re-educated by the tumour itself. Tumour-associated macrophages and mye

PD-1 gets the attention, but it is one brake among many — and the others do not work the same way. The co-inhibitory receptors are routinely drawn as interchangeable stop signs on a T cell. They are

Cell death is an essential aspect of cellular biology that plays a crucial role in development, homeostasis, and disease. In this blog, we try to focus on mechanisms and various type

Introduction Tumorigenesis, the process by which normal cells transform into cancer cells, is a multifaceted and complex event influenced by various internal and external factors. Among the

The neutrophil is the most heavily armed short-lived cell in the body. It leaves the marrow with its weapons already made — granules preloaded with elastase, myeloperoxidase and defensins — and spend

What is Hepatocyte Growth Factor? Hepatocyte growth factor (HGF) is a cytokine that is mainly produced by the liver. HGF is a pleiotrophic cytokine that regulates cell growth, motilit

Every T-cell response begins with a protein being taken apart. Before a CD8 or CD4 T cell can see anything, an antigen has to be degraded into peptides of the right length, delivered to the right com

CXCL16 CXCL16, a unique member of the CXC chemokine family, stands at the crossroads of immune modulation and vascular biology. Initially discovered as a chem

Immunology · HyperinflammationCytokine Storm and Cytokine Release Syndrome: Mechanisms, Triggers and MarkersA cytokine storm is a self-amplifying inflammatory response in which cytokine release drives

A natural killer cell decides by subtraction. It carries no rearranged antigen receptor and no memory of what it has seen. It presses a panel of germline-encoded receptors against a target and integr

Th17 cells, a subset of T helper cells characterized by their production of interleukin-17 (IL-17), play a significant role in the immune system's response to pathogens and in the pathology of au

Protocols · Western BlottingBoiling Proteins for Western BlottingHeating protein samples in SDS loading buffer denatures proteins and coats them in a uniform negative charge for clean SDS-PAGE s

Introduction to FoxP3 and Regulatory T Cells in CancerFoxP3 (forkhead box P3) is a transcription factor critical for the development and function of regulatory T cells (Tregs), a speciali

Regulatory T cells (Tregs) play a crucial role in maintaining immune balance by suppressing excessive immune responses that could lead to tissue damage. However, in the context of cancer,

In the intricate tapestry of the immune system, macrophages play a pivotal role, orchestrating a wide range of biological responses that protect the body against pathogens, remove cellular debris,

Complete T Helper Cell Guide: Th1, Th2, Th17 & Functions - Your Ultimate Resource from Assay GenieIn this guide, we will explore the differences between TH1 and TH2 cells, their crucial r

Quick Facts About SecukinumabWhat is SecukinumabSecukinumab is a monoclonal antibody that targets interleukin-17A (IL-17A), a key cytokine involved in inflammatory and autoimmune respons

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Quick Facts About NatalizumabWhat is Natalizumab?Natalizumab is a monoclonal antibody used to treat multiple sclerosis (MS) and Crohn's disease. It works by blocking immune cells from at

The complex interplay between chemokines and cytokines is fundamental to the immune system's function, orchestrating the body's response to infection, inflammation, and injury. This detailed analy

For decades, immunologists believed that only adaptive immunity—the sophisticated system of T cells and B cells—could form lasting memories of past infections. The innate immune system, our body's fir

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