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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

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

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

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

By Charlotte O'Donnell PhD The genes of the IL-36 family members are located in a cluster on chromosome 2 [1]. All three activating ligands, IL-36α, IL-36β a

Glucagon-like peptide-1 (GLP-1) is a critical hormone in the regulation of glucose metabolism and has garnered significant attention due to its therapeutic potential in managing diabetes

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

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.

The mast cell is loaded long before the allergen arrives. IgE bound to FcεRIα is not waiting to be recruited the way an antibody waits for antigen in a serum assay — it is already installed on the ce

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

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