In the field of biochemi by P Devarajan · 2008 · Cited by 622 — The current status of one of the most promising novel biomarkers, namely neutrophil gelatinase-associated lipocalin (NGAL), is presented in this review. cal research, the study of proteins and their functional fragments has opened new avenues for understanding cellular responses. One such molecule that has garnered significant attention is the NGAL peptide. As a researcher and enthusiast of molecular biology, I have spent considerable time examining how these specific sequences contribute to our understanding of protein function.
What is NGAL Peptide?
Neutrophil gelatinase-associated lipocalin (NGAL), also known as Lipocalin-2 (LCN2), is a 25 kDa protein belonging to the lipocalin superfamily. When we discuss the NGAL peptide, we are typically referring to specific synthetic or recombinant fragments derived from this protein, which are used extensively in laboratory settings for analytical and investigative purposes.
The NGAL protein is remarkably versatile. It is an iron-trafficking protein involved in multiple processes within the cell. Because of its structural properties, NGAL is involved in innate immunity by sequestering iron and preventing its use by bacteria, thus limiting their growth. This iron-sequestration mechanism is a fundamental aspect of how the protein functions in various biological environments.
Research and Analytical Utility
My experience with Lipocalin-2/NGAL peptides in the lab has highlighted their utility in assay development. Because NGAL is released by activated neutrophils and occurs as a 25-kDa glycosylated single protein chain, researchers often use synthetic NGAL peptide sequences to calibrate and validate diagnostic tools.
One of the most common applications I have observed is in the development of electrochemical biosensors. Studies have demonstrated that phage and peptide sensor systems can detect NGAL with high sensitivity and selectivity. Furthermore, researchers often utilize a specific NGAL antibody to target these proteins in complex biological samples.
NGAL as a Biomarker in Investigative Science
In the context of scientific literature, NGAL is known mainly as a biomarker of acute kidney injury. It is a highly attractive target for the sensitive monitoring of injury in experimental models. Because NGAL is rapidly upregulated following kidney tissue injury, it serves as a direct marker of structural kidney inj An affinity peptide-incorporated electrochemical biosensor ury, often appearing long before traditional markers show significant changes.
Furthermore, NGAL is involved in the repair and regeneration of kidney tissues. By influencing iron trafficking within cells, it can mitigate injury effects, making it a subject of intense stu Neutrophil gelatinase-associated lipocalin (NGAL) - PMC - NIH dy regarding renal health and recovery. For those interested in the stability of these markers, data suggests that circulating LCN2 expression is stable over a period of at least 12 weeks and is not easily modifiable by typical diet and exercise interventions.
Practical Applications and Kits
When working with these molecules, researchers often rely on standardized kits. For instance, a common Human NGAL enzyme-linked immunosorbent assay (ELISA) kidney injury biomarker test quantifies levels of neutrophil gelatinase-associated lipocalin (NGAL) in human urine, EDTA, a May 29, 2024 — NGAL is released by activated neutrophils and occurs as 25-kDa glycosylated single protein chain monomers, which form dimers and small nd heparin plasma. Whether you are using a recombinant NGAL protein produced in CHO cells or a synthetic peptide, the goal remains the same: to achieve high-precision binding and detection.
Key Characteristics of NGAL
* Protein Classification: NGAL is a 25 kDa protein of NGAL is a 25 kDa protein of the lipocalin superfamily expressed at low levels in a variety of tissues including neutrophils, kidney, and cardiomyocytes. the NGAL is a Novel Target in Hypertension by lipocalin superfamily.
* Biological Role: NGAL plays a vital role in the innate immune response and significantly contributes to iron transport and inflammation regulation.
* Clinical Potential: NGAL shows potential to be a new effective e Protein. Neutrophil gelatinase-associated lipocalin. Gene. NGAL. Status. UniProtKB unreviewed (TrEMBL). Organism. Homo sapiens (Human). Amino acids. 199 (go to arly biochemical marker of AKI (acute kidney injury).
* Structural Context: It is expressed in neutrophils and, at lower levels, in the kidney and cardiomyocytes.
Conclusion
The study of the NGAL peptide continues to provide valuable insights into the mechanisms of innate immunity and cellular stress responses. From its role as an iron-trafficking protein to its function as a sensitive biomarker for renal structural changes, NGAL remains a cornerstone of modern biochemical research. As we refine our ability to detect and quantify this protein, our understanding of its complex roles in biological systems will undoubtedly continue to expand. For anyone involved in laboratory research or protein analysis, understanding the nuances of NGAL is essential for the advancement of by F Jaisser · 2023 — The specific role of NGAL/lcn2 in salt-sensitive hypertension was studied using lcn2-knockout mice (lcn2 KO) fed with low-Na diet (0Na). RESULTS: we show that future diagnostic and investigative technologies.