-
Guide to Bacterial Transformation: The Science of Genetic Manipulation(Post)
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 —
MAPK Signaling: Unraveling the Pathway of Mitogen Stimulation(Post)Cell Signalling · Kinase CascadesMAPK Signaling: The Pathway of Mitogen StimulationThe mitogen-activated protein kinase (MAPK) pathway is one of the most important signalling cascades in biology, conv
CIDE: The New Bioinformatics Engine Unmasking Secreted Proteins for Precision Immunotherapy(Post)For decades, the battle against cancer has focused on the cellular 'soldiers' and the genetic 'blueprints' within them. Yet, a vast, invisible world of communication exists between these cells—a secr
Exosomes: Tiny Messengers Revolutionizing Cancer Diagnosis and Therapy(Post)In the intricate world of cancer biology, a silent conversation is constantly unfolding between tumor cells and their environment. For decades, we viewed this dialogue as a one-way street, with cancer
ELISA Cross-Reactivity: Tagged Standards vs Native Samples(Post)Quick answer A researcher validating two isoform assays — the Human ALT1 (HUFI00557) and ALT2 (HUFI00593) ELISA kits — spiked the ALT2 kit's standard onto the ALT1 kit's plate and saw
TUNEL staining : The method of choice for measuring cell death(Post)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
ELISA Troubleshooting: Why You Can't Skip the Full Standard Curve(Post)Quick answer A researcher measuring dopamine in mouse brain tissue got no detectable signal and, with many samples to run, asked whether the full standard curve could be skipped to sav
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
How do different types of vaccines work? (Post)What is a vaccine? A vaccine is a pharmacological product that gives the recieving patient's immune system a chance to learn how to fight infection with decreased risk of illness. Vacci
Protease vs Peptidase: Understanding Enzymatic Digestion(Post)Enzymology · Protein DegradationProtease vs Peptidase: Understanding the DifferenceProteases and peptidases are the enzymes that cleave peptide bonds — breaking proteins down into peptides and peptide
The Battle of Antibiotics: Penicillin vs. Streptomycin(Post)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
CD4 T-Helper Differentiation: Th1, Th2, Th17, Treg and Tfh(Post)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
ELISA Troubleshooting: Total Protein Normalization in Lysates(Post)QUICK ANSWER A researcher ran a panel of EMT-marker ELISA kits (E-cadherin, claudin-1, N-cadherin, vimentin, ZEB1, TWIST1) on breast cell-line lysates and found E-cadherin reading "pos
The common characteristics of cancer | Assay Genie(Post)By Shane Houston, PhD Candidate Queen’s University Belfast Cancer is an age old adversary of the human race. This out-of-control growth of abnormal cells has been a shadow over human health t
In Vivo Cell Depletion: Antibody Targets, Fc Mechanisms and Dosing(Post)A depletion experiment is only as good as the depletion you can prove. Injecting a functional-grade antibody and assuming the population is gone is the most common failure mode in in vivo immunology.
Validate Western Blot Antibodies: Datasheet Checks Labs Should Ask(Post)Validate Western Blot Antibodies: Datasheet Checks Labs Should Ask Reliable results come from antibodies validated specifically for denatured western blot conditions: recombinant monoclonals or well-
TCA Cycle Assays(Page) Trained Immunity: Reprogramming Innate Immune Memory for Future Health(Post)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
Beta Oxidation of Fatty Acids(Post)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
Immune Cell 'Bloodhounds': Engineering Metabolite-Sensing Receptors to Infiltrate Solid Tumors(Post)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