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After Tocilizumab, IL-6 Goes Up. That Is the Drug Working.(Post)
Tocilizumab reverses cytokine release syndrome within hours, and it never touches the cell that started it. That sentence contains the whole mechanism. The trigger is a T cell — engaged by a CAR, a b
Antigen Processing & Presentation(Page) Two Asthma Drugs, Opposite Eosinophil Counts, Both Working(Post)Two asthma biologics have opposite effects on the blood eosinophil count, and both of them work. Mepolizumab empties the eosinophil compartment; dupilumab can transiently raise it. If that seems cont
Platelets : The Unassuming Heroes of Blood Circulation(Post)Haematology · HaemostasisPlatelets: Formation, Structure, Activation and Clinical SignificancePlatelets are anucleate fragments shed from megakaryocytes, and they carry out primary haemostasis — adher
Cytokine-Storm-Panel: Analyten, Auswahl und Interpretation(Post)Cytokine-Storm-Panel: Analyten, Auswahl und Interpretation Ein Cytokine-Storm-Panel ist ein vorvalidiertes Multiplex-Assay, das aus einem einzigen Probenaliquot mehrere pro- und antiinflammatorische
Antibodies(Page)Research Antibodies: Primary, Secondary & In Vivo | Assay Genie
Anti-Tag Antibodies(Page) Apoptosis Unveiled: Your Complete Guide to Intrinsic & Extrinsic Pathways(Post)Cell Biology · Programmed Cell DeathApoptosis: Your Complete Guide to Intrinsic & Extrinsic PathwaysApoptosis is programmed cell death — the controlled, non-inflammatory removal of damaged or unwanted
Arrays (Page) Investigadores: ahorre días de ensayo con PBS y TBS según la técnica(Post)Para western blot con detección de fosforilación, use TBS o TBS-T: el fosfato de PBS puede interferir con anticuerpos anti-fosfo y con fosfatasa alcalina. Para lavados isotónicos, ELISA y cultivo
Mouse Injection Guide: Intraperitoneal, Subcutaneous, Intramuscular & Intravenous Routes(Post)In Vivo Methods · ProtocolsMouse Injection Guide: Intraperitoneal, Subcutaneous, Intramuscular & Intravenous RoutesRoute choice and injection technique determine how much of a dose actually reaches it
Anticuerpos validados con KO y ensayo ortogonal para investigadores(Post)Anticuerpos validados con KO y ensayo ortogonal para investigadores Un anticuerpo validado es aquel cuya especificidad y funcionalidad quedan demostradas para la aplicación experimental concreta en l
Innate Immunity: Components, Functions & First Line of Defence(Post)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
Denosumab: A Comprehensive Overview of Mechanism, Applications, and Research Advances(Post)Biologics · Bone MetabolismDenosumab: RANKL Inhibition, Clinical Applications and BiosimilarsDenosumab is a fully human monoclonal antibody against RANKL, the cytokine that drives osteoclast formation
CD25 Marker(Post)CD25, a key molecule in immune regulation, is integral to the function of activated lymphocytes and regulatory T cells. It's central in mediating immune responses, with implications in autoimmune
Chemokine Receptors and Leukocyte Trafficking(Page) Fc Receptors Explained: ADCC, ADCP, CDC and the CD32B Brake(Post)An antibody's variable domains decide what it binds. Its Fc decides what happens next — and that is not a detail of formulation, it is half the mechanism. Which Fcγ receptor the constant region engag
Fc Receptors & Antibody Effector Function(Page) T-Cell Engagers and Bispecific Antibodies(Page) Variabilité inter-lots des anticorps : l'impact réel sur vos dosages(Post)Variabilité inter-lots des anticorps : l’impact réel sur vos dosages Oui, la variabilité inter-lots d’anticorps est un risque opérationnel concret, pas une hypothèse théorique : elle peut décaler une
Co-Inhibitory Checkpoints & T-Cell Exhaustion(Page) Interferon Axis — Type I & Type II Signalling(Page) Prevention and Risk Mitigation: Strategies to Reduce Hantavirus Exposure in a Changing World(Post)As hantavirus cases continue to rise globally, the question becomes not just how to detect infections, but how to prevent them in the first place. Recent epidemiological investigations across Califor
TNF Receptor Superfamily: TNFR1 vs TNFR2(Page) Custom Antibody(Page)Custom Antibody Production Service | Assay Genie
Microglial Functions Explained: Immunity, Inflammation & Neurodegeneration(Post)Neuroscience · NeuroimmunologyMicroglial Functions: Immunity, Inflammation & NeurodegenerationMicroglia are the resident immune cells of the central nervous system — dynamic sentinels that survey the
Hybridoma Technology: Revolutionizing Antibody Production(Post)Immunology · Antibody ProductionHybridoma Technology: How Monoclonal Antibodies Are MadeHybridoma technology, pioneered by Georges Köhler and César Milstein in 1975, is the method that made monoclonal
Combien coûte réellement un anticorps de recherche ?(Post)Combien coûte réellement un anticorps de recherche ? Prévoyez un budget de 130 à 2 500 dollars par anticorps selon le format et l’application visée, mais ce chiffre ne raconte qu’une partie de l’hist
Adenosine Axis — CD39, CD73 and A2A Receptors(Page) The EGFR/HER Family: Dimerisation, Ligand Independence & Resistance(Page) C-Reactive Protein (CRP): Function, Levels & What They Mean(Post)Biomarkers · InflammationC-Reactive Protein (CRP): Structure, Function and Clinical UseCRP is the most widely measured marker of inflammation in medicine — fast to rise, fast to fall, and entirely non
B-Cell Depletion and the BAFF-APRIL Axis(Page) Thymic T-Cell Development & Central Tolerance(Page) Antibody-Drug Conjugates: Internalisation, Trafficking & the Bystander Effect(Page) Complement: The Brake Matters More Than the Trigger(Post)Complement is firing on your own cells right now. Not in response to anything — C3 hydrolyses spontaneously in plasma at a low, constant rate, and every hydrolysed molecule is a potential convertase
Unconventional T Cells: Gamma Delta, iNKT and MAIT(Page) cGAS-STING Signalling: Pathway, Regulation and Key Assays(Post)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
Mast Cells IgE and Type 2 Immunity(Page) Mycoplasma Troubleshooting Tips & FAQ(Page) Allorecognition, Transplant Rejection & GvHD(Page) Agonist Antibodies: Why CD40, OX40 & 4-1BB Need FcγR Crosslinking(Page) In Vitro vs In Vivo: Key Differences & When to Use Each(Post)In Vitro vs In Vivo: Complete Comparison + Selection Guide | Research MethodsDiscover the distinct roles of 'In Vivo' and 'In Vitro' in biological research, where one offers a natural con
Evite 3–6 meses de retrabajo: selección de anticuerpos para investigadores(Post)Evite 3–6 meses de retrabajo: selección de anticuerpos para investigadores La selección de anticuerpos consiste en identificar y validar la molécula con la especificidad y el desempeño necesarios par
Mucosal Homing and Tissue-Resident Memory(Page) Innate Lymphoid Cells: ILC1, ILC2 & ILC3(Page) His-Tag vs. Fc-Tag: Welcher Fusionstag passt zu Ihrem Protein?(Post)His-Tag vs. Fc-Tag: Welcher Fusionstag passt zu Ihrem Protein? His-Tag eignet sich für schnelles Screening und kosteneffiziente Aufreinigung über IMAC. Fc-Tag lohnt sich, wenn Sie Fc-eigene Eigenscha
Comment choisir une protéine cytokine pour votre étude(Post)Comment choisir une protéine cytokine pour votre étude Pour une mesure fonctionnelle in vitro, privilégiez une cytokine recombinante à activité biologique validée sur la lignée cible. Pour une admini
GeniePlex Multiplex Immunoassay FAQ(Page) AACR 2025 - Scientific Progamme, Venue and Exhibits(Post)AACR 2025: Meet Assay Genie at the American Association for Cancer Research Assay Genie is delighted to be attending and exhibiting at AACR 2025 in Chicago, Illinois from the 25-30th of
Immunophenotyping by Flow Cytometry and Cell Type Markers(Post)Immunophenotyping by Flow Cytometry Immunophenotyping is a technique used in the field of immunology and cell biology to identify and classify cells based on the specific proteins o
Do Not Eat Me Is Not a Switch(Post)Phagocytosis is a subtraction, not a switch. A macrophage engulfs when its activating signals exceed its inhibitory ones, and every awkward result in the myeloid checkpoint field falls out of that on
Osteoimmunology: The RANKL-OPG Axis & Bone Erosion(Page) SfN Neuroscience 2024(Post)SfN 2024: Meet Assay Genie at the Society for NeuroscienceAssay Genie is delighted to be attending SfN 2024 in Chicago, Illinois on 5th to the 9th of October at the McCormick Convention
TAM and MDSC Signalling: Myeloid Reprogramming Pathway Guide(Post)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
Regulatory T Cells and the IL-2 Paradox(Page) Lot-zu-Lot-Variabilität: Wann Sie neue Chargen wirklich prüfen müssen(Post)Lot-zu-Lot-Variabilität: Wann Sie neue Chargen wirklich prüfen müssen Ja, Lot-zu-Lot-Variabilität ist ein reales analytisches Risiko und keine theoretische Fußnote in einem Qualitätshandbuch. Prüfen
Lactobacilli - Structure, Metabolism, and Testing(Post)Microbiology · ProbioticsLactobacilli: Structure, Metabolism, Identification and Probiotic UseLactobacilli are lactic acid bacteria found in fermented foods and across the human gastrointestinal, oral
Transduction vs Transfection: Understanding Gene Delivery Techniques(Post)Techniques · Gene DeliveryTransduction vs Transfection: Understanding Gene Delivery TechniquesTransduction and transfection are the two main routes for introducing genetic material into cells. Transdu
TNF cytokines and their Receptors(Post)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
MAPK Signaling in Inflammatory Cytokines Pathways(Post)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
CD8+ T Cells: Understanding the Role of Cytotoxic T Cells in Immunity(Post)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
TCA Cycle Assays(Page) Mit 20–30 Blankreplikaten: LoD/LoQ korrekt berechnen für Ihr Labor(Post)Mit 20–30 Blankreplikaten: LoD/LoQ korrekt berechnen für Ihr Labor LoB, LoD und LoQ bilden eine feste Rangordnung: LoB ≤ LoD ≤ LoQ. LoD beantwortet die Frage „Ist die Substanz überhaupt nachweisbar?“
Estabilidad de anticuerpos: métodos, criterios y errores de interpretación(Post)Estabilidad de anticuerpos: métodos, criterios y errores de interpretación La estabilidad de anticuerpos se confirma cruzando dos evidencias, nunca una sola: integridad físico-química (temperatura de
Ce que doit valider tout chercheur sur les anticorps neutralisants(Post)Ce que doit valider tout chercheur sur les anticorps neutralisants Un anticorps neutralisant (AcN) bloque l’infectivité d’un agent pathogène en empêchant l’interaction fonctionnelle avec son récepteu
Interactive Pathway Diagrams(Page) Resources - Mandarin(Page)中文资源与实验指南 | Resources - Mandarin | Assay Genie
El costo del ensayo multiplex frente al singleplex: cuándo compensa(Post)El costo del ensayo multiplex frente al singleplex: cuándo compensa El multiplex reduce el costo por punto de datos frente al singleplex a partir de un volumen de muestras determinado, normalmente cu
SITC 2024 - Scientific Programme, Venue & Exhibition(Post)SITC 2024: Meet Assay Genie at the Society for Immunotherapy of Cancer Annual MeetingAssay Genie is delighted to be attending and exhibiting at SITC 2024 in Houston, Texas on Friday the
Dilución de anticuerpos: protocolo, cálculos y control de calidad(Post)Dilución de anticuerpos: protocolo, cálculos y control de calidad Empiece con una serie de diluciones (por ejemplo, 1:10 seguida de una serie 1:2) y siempre incluya controles positivos y negativos pa
Antibody Light Chains, Heavy Chains, Constant Regions & Tumour-Associated Antigens(Post)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
Immunohistochemical Staining, Antibodies & Buffers(Page) TGF-Beta SMAD Signalling Pathway: Function, Readouts and Assays(Post)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
Co-Inhibitory Checkpoints Beyond PD-1: CTLA-4, LAG-3 and TIM-3(Post)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
The Role of APOE in Neurodegenerative Diseases(Post)Understanding the Role of APOE in Neurodegenerative DiseasesRecent findings reveal that a specific gene variant, APOE, significantly increases the risk of Alzheimer's and Parkinson's diseases, highlig
Boiling Proteins for Western Blotting: Optimal Conditions and Best Practices(Post)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
Evita falsos positivos: isotipos y controles para investigadores(Post)Un isotipo es la clase de inmunoglobulina que define la región constante de su cadena pesada, y el organismo humano produce cinco: IgG, IgA, IgM, IgD e IgE. Cada uno tiene una forma distinta, apar
Sofort anwendbar: Probenverdünnung berechnen für Laborpraxis(Post)Sofort anwendbar: Probenverdünnung berechnen für Laborpraxis Die Verdünnung berechnen Sie mit der Formel C1·V1 = C2·V2. Meist suchen Sie V1, also das Volumen der Ausgangslösung: V1 = (C2·V2)/C1. Wich
The Lenti Viral Vector System: A New Way to Deliver Genetic Therapies(Post)Gene Delivery · Viral VectorsLentiviral Vectors: Design, Production and Use in Gene DeliveryLentiviral vectors integrate their cargo into the host genome and transduce dividing and non-dividing cells
The Interferon Axis: Type I vs Type II Signalling Explained(Post)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
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