10360 results for 'gener'

Immunology · Innate LymphocytesNatural Killer Cells: Receptors, Subsets and FunctionNK cells kill without prior sensitisation and without antigen-specific receptors, using a balance of activating and

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

Techniques · Molecular CloningGuide to Bacterial Transformation: The Science of Genetic ManipulationBacterial transformation is the process by which bacteria take up foreign DNA — usually a plasmid —

Introduction to TREM2 and Tumor-Associated Macrophages in CancerTREM2 (triggering receptor expressed on myeloid cells 2) is an immunoregulatory receptor primarily expressed on macrophages

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

What if our first line of immune defense, the innate immune system, could learn from past encounters to fight future battles more effectively? For decades, we believed this was the exclusive domain of

Cancer detection often relies on advanced imaging or invasive procedures, frequently catching the disease at later, more challenging stages. Imagine a future where a simple, non-invasive test could s

Immunology · Flow CytometryT Cell Immunophenotyping: Markers, Subsets and Panel DesignImmunophenotyping identifies cell populations by the proteins on their surface. For T cells that means resolving n

The Th1 Pathway In this guide, we will explore the differences between TH1 and TH2 cells, their crucial roles in the immune system, and the contributions of cytokines and transcription f

Enzymology · Protein DegradationProtease vs Peptidase: Understanding the DifferenceProteases and peptidases are the enzymes that cleave peptide bonds — breaking proteins down into peptides and peptide

Cancer immunotherapy has revolutionized the treatment landscape for various malignancies. One of the most promising therapeutic strategies is the use of immune checkpoint inhibitors, part

T cell immunoglobulin and mucin-domain containing-3 (TIM-3) is an immune checkpoint receptor that plays a pivotal role in T cell exhaustion, a state where T cells lose their ability to ef

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

Site-Directed Mutagenesis | Protocol, Kits & Troubleshooting | Assay Genie

For decades, the brain has been considered an immune sanctuary, protected by the formidable blood-brain barrier. This intricate defense system, while vital for safeguarding our most complex organ, ha

The inflammasome is one of the few innate pathways that destroys the cell it activates. A macrophage that assembles NLRP3 has committed to a decision it cannot reverse: a priming signal through TLR4

Science communication (Scicomm) is currently on the up. As rebellion against the increasing distrust of science stemmed from bigoted and ignorant leaders, scientists are turning to s

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

The MycoGenie Rapid Mycoplasma Detection Kit enables the detection of 28 Mycoplasma species in under 1 hour using a simple visual determination method, eliminating the need for expensive

The year 2026 has brought an unsettling spotlight onto an old adversary: Hantavirus. What began as isolated cases has rapidly escalated into a multi-country surge, leaving scientists and public healt

Immunology · CytokinesIFN-gamma: Signalling, Function and Roles in Inflammation, Cancer and AutoimmunityInterferon gamma is the sole type II interferon and one of the most consequential cytokines in i

What is Wnt Signalling? The Wnt signalling pathway is an evolutionarily conserved pathway that plays critical roles in the regulation of determining cell f

Cell Signalling · MetabolismInsulin Signalling & Receptor Tyrosine KinasesInsulin controls metabolism and growth through the insulin receptor — a receptor tyrosine kinase that branches into the

Monocytes, as part of the innate immune system, act as the first line of defense against foreign invaders. One of their primary functions is phagocytosis, a crucial process in which they engulf

Imagine an elite squad of soldiers sent to neutralize a hidden fortress, only to find themselves wandering aimlessly in a thick, disorienting fog just outside the gates. This is the current reality f

By Diana-Madalina Stan, PhD student, University of Salford Disease Description Alzheimer’s disease (AD), the most common cause of dementia, is a neu

What is Gut Inflammation? The gut, or gastrointestinal (GI) tract is a long tube that starts from the mouth and extends to the anus. It includes various organs such

Introduction Transformation of bacteria with plasmids is not only of note for bacterial studies but also can be used for gene expression studies in mammalian cells. Most plasmids are of bact

Key Takeaways: Microglia are immune cells in the CNS, originating from myeloid precursor cells. They surveil the CNS, respond to changes, and maintain neural health. Microglia exist in diff

In 2006, upon completion of the Human Genome Project, it was discovered that nearly 8% of the human genome is made up of viral DNA. These viral remnants are composed of ancient germl

Chronic myelogenous leukaemia (CML) is a myeloproliferative haematopoietic malignancy, characterised by a karyotypic abnormality present in more than 95% of cases known as the Philadelph

Myrna Hurtado, PhD Student, University of North Texas Health Science Center Advancements in modern medicine have resulted in significantly prolonging and a

HIV Virus: Replication Cycle and Pathogenesis in absence of HAART The human immunodeficiency virus (HIV) is a formidable pathogen that has posed a significant global

Para recuperar la actividad biológica de proteínas recombinantes expresadas como cuerpos de inclusión, la vía más fiable combina una solubilización controlada con un replegamiento gradual, mediant

Immunology · ImmunophenotypingCD Markers on B Cells: Development, Subsets and ImmunophenotypingB cells change their surface marker profile at every stage from bone marrow progenitor to antibody-secret

Neuroscience · Glial CellsOligodendrocytes: Myelination, Lineage Markers and DiseaseOligodendrocytes are the myelinating glia of the central nervous system. A single oligodendrocyte can wrap segments

Imagine a battlefield where the enemy doesn't just hide from soldiers—it actively sabotages their weapons. In the tumor microenvironment, cancer cells have evolved a devious strategy: they transfer th

by Ryan Wallis, PhD student, QMUL, Blizard Institute The microscopic world of cell biology was first explored by Robert Hooke in the 17th century and published in his work, Microgra

Immunology · Innate ImmunityInnate Immunity: Components, Functions & First Line of DefenceThe innate immune system is the body’s first line of defence — a fast, non-specific response built from physic

BDNF Overview Brain-derived neurotrophic factor (BDNF) is a central mediator of neuroplasticity, a term used to describe the ability of neurons

Protein Analysis · ProtocolsWestern Blot Sample Preparation: A Practical GuideMost failed Western blots fail before the gel is loaded. Lysis buffer choice, inhibitor selection, accurate protein quanti

Cancer Biology · Cell Signallingp53: Structure, Signalling, Regulation and Mutation in Cancerp53 is the most frequently mutated gene in human cancer, and the reason is structural: a single tetrameric

Immunology · T LymphocytesCD8+ T Cells: Cytotoxic Mechanisms, Memory and ExhaustionCD8+ T cells kill infected and transformed cells directly, and they do it with a specificity nothing else in the immu

Cell Signalling · EnzymologyProtein Kinases: Function, Classification, Structure and InhibitorsProtein kinases transfer a phosphate group from ATP onto specific residues of target proteins, switching

Cell Culture · ProtocolsCell Synchronisation Methods: Protocols for G1, S, G2 and M Phase ArrestAn asynchronous culture contains cells at every stage of the cycle at once, so any measurement is an ave

Gastroenterology · Barrier BiologyZonulin and Intestinal PermeabilityZonulin is the best-characterised endogenous regulator of intestinal tight junctions — the protein that opens the gut barrier on de

Cell Cycle · KinasesCyclins and Cyclin-Dependent Kinases: Regulation, Substrates and Mitotic ControlCDKs are inactive on their own. They require a cyclin partner, and because cyclin levels rise and fa

Cell Culture · ProtocolsHaemocytometer Cell Counting: Procedure, Calculation and Common ErrorsA haemocytometer turns a known chamber volume into a cell concentration, and the whole method rests on fou

Mononuclear phagocytes, essential in immunity and homeostasis, perform diverse roles from phagocytosis to tissue repair, influencing health and disease. Key Takeaways: Mononuclear p

Cell Signalling · Growth FactorsGrowth Factors: Families, Receptors and Signalling PathwaysGrowth factors are secreted proteins that instruct cells whether to divide, differentiate, migrate or survive

Immunology · Antibody BiologyAntibody Light Chains, Heavy Chains, Constant Regions & Tumour-Associated AntigensAn antibody’s specificity comes from its variable domains and its biological effect comes