Distinct Urinary Proteome Changes Across Estimated Glomerular Filtration Rate Stages in a Cohort of Black South Africans.

Summary: Kidney disease is often a "silent" condition, with standard tests like filtration rate (eGFR) and albumin levels missing the early warning signs. This creates a dangerous gap where damage occurs before doctors can detect it. In a new study focusing on a rural Black South African community, researchers are looking for better clues hidden in the urine. By analyzing the "proteome"—the complete set of proteins in urine—across different stages of kidney function, they aim to identify distinct chemical fingerprints. These unique protein patterns could serve as sensitive early alarms, allowing for earlier treatment and better protection of kidney health in vulnerable populations.