679 results for 'give king'

Only 1% of our blood is made up of white blood cells, but they have a significant impact. Alternatively referred to as leukocytes, white blood cells. We are shielded from disease and

Immunology · NeuroscienceHistamine Receptors: H1, H2, H3 & H4 ExplainedHistamine receptors are the G protein-coupled receptors through which histamine controls allergy, gastric acid secretion, neurotr

Haematology · CoagulationBlood Coagulation Pathway: Factors, Cascade and DisordersThe coagulation cascade is usually taught as two pathways converging on a common one. That framework maps neatly onto

QUICK ANSWER A researcher ran a competitive 2,3-bisphosphoglycerate (2,3-BPG) ELISA on red blood cell (RBC) lysate. The standard curve was textbook, yet every lysate sample read at th

Written by Seán Mac Fhearraigh, PhD  •  Updated: 19 May 2026  •  ~10 min read Quick Answer A sandwich ELISA uses two antibodies — a capture ant

Techniques · Apoptosis DetectionTUNEL Staining: The Method of Choice for Measuring Cell DeathTUNEL staining is a gold-standard technique for detecting apoptosis in situ. By labelling the fragmented DN

Quick Info Section: Key Facts About MogamulizumabWhat is Mogamulizumab?Mogamulizumab is an anti-CCR4 monoclonal antibody used primarily for treating certain cancers, including cutaneous

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 —

Oxidative Stress Definition Oxidative stress is a condition that results when the body produces or consumes more reactive oxygen species (ROS) than it can neutraliz

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

By John Bannon PhD Early Cytokinesis Early cytokinesis; from anaphase to midbody formation cytokinesis is the physical s

The CD28 molecule plays a crucial role in amplifying T cell activation, which is critical for mounting effective immune responses against tumors. By engaging with co-stimulatory molecules

Techniques · Gene DeliveryTransduction vs Transfection: Understanding Gene Delivery TechniquesTransduction and transfection are the two main routes for introducing genetic material into cells. Transdu

Why do powerful cancer immunotherapies work wonders for some patients but fail for others? The answer may lie not just in the cancer cells themselves, but in the energy levels of our own immune warrio

Imagine a microscopic sniper, capable of delivering a lethal blow to a single cancer cell while leaving its healthy neighbors virtually untouched. This is the promise of targeted alpha therapy, a rev

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

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

Cancer Biology · GeneticsTumour Suppressor Genes: Roles, Examples & CancerTumour suppressor genes are the brakes on cell growth — they restrain proliferation, repair damaged DNA and trigger apoptosis

Immune Regulation in COVID-19: Immunomodulatory Mechanisms against SARS-CoV-2 Infection What is COVID-19?

Molecular Biology · Gene SilencingWhat is RNAi? A Complete Guide to RNA InterferenceRNA interference (RNAi) is a conserved biological process in which small double-stranded RNA molecules silence gene

Metabolism · Biochemistry GuideBeta-Oxidation of Fatty AcidsBeta-oxidation is the mitochondrial pathway that breaks fatty acids down into acetyl-CoA for energy. This guide covers where it happen

By Sonika Singh PhD candidate, University of Nottingham A Devastating Disease Multiple Sclerosis (MS) is a chronic and inflammatory disease based on

Immunology Guide MHC Class I vs Class II: Key Differences & Functions [Guide] Major Histocompatibility Complex molecules present antigens to T

Written by Seán Mac Fhearraigh, PhD  •  Updated: 19 May 2026  •  ~9 min read Quick Answer The five main types of ELISA are sandwich, competitive, direct, indirect and multiplex. Sandwich ELISA is

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

References Key Points Three-dimensional (3D) cell cultures are artificially-created environments in which cells are permitted to grow or interact with their surroundings in a 3D fa

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

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

Clinical · Immunology Guide IgA Test: Normal Ranges, Results & What They Mean [2026] What the immunoglobulin A blood test measures, how result

You are only part human. In some ways, you are as much bacteria as you are mammal, and in some ways bacteria make up far more of you than your own familiar cells and genes! It is becoming

Immunology Guide 5 Types of Immunoglobulins: IgG, IgA, IgM, IgD & IgE The five antibody classes that drive immune defence — their structure, fun

Flow Cytometry · GatingExcluding Doublets in Flow Cytometry: Pulse Geometry and Gating StrategyTwo cells passing the laser together are recorded as one event, with roughly double the signal. In DNA co

Lab Methods · Flow CytometryFlow Cytometry Protocol: Two Worked Protocols, Controls and 10 Practical TipsFlow cytometry measures individual cells in a fluid stream at hundreds per second, reporting si

Key Points Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) is a method of gene editing that uses t

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

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 Death · BiomarkersCleaved Caspase-3: Activation, Function and Detection in ApoptosisCaspase-3 sits at the point where apoptotic signalling becomes irreversible. It is made as an inactive proenzym

Bone Morphogenetic Proteins (BMP) were first discovered in the 1960s by Dr.Marshall Urist, an orthopaedic surgeon at UCLA (Urist 1965). BMPs are classically associated with their roles in limb

Immunology · Cell BiologyCells of the Innate Immune System: Types, Functions and MarkersThe innate immune system responds within minutes, without prior exposure, using cells that recognise conserved m

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 Biology · PathologyNecrosis: Types, Causes, Mechanisms and How It Is MeasuredNecrosis is cell death accompanied by membrane rupture and release of intracellular contents — which is what makes it

Immunology · Antigen PresentationDendritic Cells: Markers, Activation and SubtypesDendritic cells are the professional antigen-presenting cells that decide whether an immune response happens at all. T

BRIEF HISTORY OF THE “GREEN” EVOLUTION OF OXYGEN AND CARBON DIOXIDE WITHIN OUR ATMOSPHERE Million years ago carbon dioxide (CO2) levels used to be conside