Cell Structure and Function — Current Affairs 2026
Current Affairs Connections
CRISPR-Cas9 Gene Editing Advances Towards Clinical Cures for Genetic Blood Disorders
Early 2024Recent clinical trials have shown significant success in using CRISPR-Cas9 technology to treat genetic blood disorders like sickle cell disease and beta-thalassemia. Patients treated with exa-cel (exagamglogene autotemcel), a CRISPR-edited cell therapy, have achieved sustained symptom-free periods. This involves editing hematopoietic stem cells to correct the genetic defect, highlighting the direct application of cell biology principles to human health. The edited cells are then infused back into the patient, where they produce healthy blood cells. This represents a major breakthrough in gene therapy, moving beyond theoretical potential to tangible patient benefits.
UPSC Angle: This development is crucial for UPSC as it showcases the practical application of 'CRISPR gene editing cell biology UPSC' and 'stem cell research applications UPSC current affairs'. Questions could focus on the mechanism of CRISPR, ethical considerations of gene editing, or the specific diseases being targeted. It also links to biotechnology policy and healthcare advancements.
Understanding Cellular Mechanisms of Long COVID to Inform New Therapies
Mid-2024Ongoing research into 'Long COVID' (Post-Acute Sequelae of SARS-CoV-2 infection, PASC) is increasingly focusing on the cellular and molecular mechanisms underlying persistent symptoms. Studies are revealing that SARS-CoV-2 can induce long-term changes in various cell types, including immune cells, endothelial cells, and neurons. These changes might involve mitochondrial dysfunction, persistent inflammation, viral reservoirs, or autoimmune responses at the cellular level. Understanding how the virus impacts cellular function and metabolism is critical for developing targeted treatments for this debilitating condition.
UPSC Angle: This hook connects 'cellular basis of diseases' directly to a major global health challenge. UPSC questions could explore the general cellular impact of viral infections, the role of specific organelles (e.g., mitochondria) in disease pathology, or the broader implications of cellular research for public health policy. It emphasizes the dynamic nature of cell biology in addressing contemporary medical issues.