August 20, 2024

Developments in cardiometabolic care for the primary care physician

The primary care team, including nurse practitioners and physician assistants, is often the first to evaluate and assess chronic conditions and interconnected comorbidities, such as steatotic liver disease, renal disease and Type 2 diabetes (T2D), using diagnostic assays. Use of evidence-based strategies for early detection and effective management of cardiovascular-kidney-metabolic (CKM) conditions is crucial for optimal patient outcomes.
October 7, 2024

Antibody-drug conjugate bioanalysis: A case study in stability, matrix effects and recovery

APA 2024 -- Antibody-drug conjugates (ADCs) are an increasingly popular approach to selectively deliver a drug, the “payload”, to target cells or tissues with minimal off-target effects. A proprietary ADC with a self-immolative linker is being investigated. Three bioanalytical assays in nonhuman primate (NHP) plasma are to be developed: Total antibody, free payload and conjugated payload. 
October 2, 2024

LNP vaccine formulation screening for cellular uptake using BODIPY-labelled lipid nanoparticles

CPI RNA Vaccines and Therapeutics Conference 2024 -- RNA vaccines, comprising a mRNA encapsulated in a lipid nanoparticle (LNP), are a new modality for rapid development of synthetic prophylactic and therapeutic vaccines. The LNP acts as a device to deliver the RNA payload into the cell cytoplasm for translation of the transgene; moreover, the precise formulation of cationic/ionisable lipid, phospholipid, PEGylated lipid and cholesterol can affect the LNP cellular interaction. Crucial to the mRNA delivery is cellular uptake and escape from the endosomal compartment. To evaluate the effects of formulation components on cell uptake, a cell-based assay using 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY)-labelled LNPs has been developed. Using a microfluidic production process, BODIPY-cholesterol has been incorporated into a range of lipid nanoparticle formulations as a potential screen for evaluating LNP formulations and cell uptake.