Immune aplastic anemia aplastic anemia: (ay-PLASS-tik uh-NEE_mee-uh) A rare and serious condition in which the bone marrow fails to make enough blood cells - red blood cells, white blood cells, and platelets. The term aplastic is a Greek word meaning not to form. Anemia is a condition that happens when red blood cell count is low. Most… (IAA) is a condition where the bone marrow bone marrow: The soft, spongy tissue inside most bones. Blood cells are formed in the bone marrow. doesn’t make enough blood cells, which can lead to low levels of red blood cells, white blood cells, and platelets. Although IAA is often seen as an immune problem, recent research shows that genetics might also be important, especially in certain groups of people, like those from Southeast Asia. Most studies on genetics have focused on small changes in genes, but they often miss larger genetic differences, especially in parts of the DNA that don’t directly code for proteins. Traditional methods for studying genetics might not catch these bigger changes. Newer technologies, like long-read sequencing from Oxford Nanopore, are better at finding these large variations. There is a pressing need to understand the genetic factors that contribute to IAA. Many patients may have inherited conditions that make their symptoms worse. Genetic tests have shown that a good number of people with IAA actually have inherited bone marrow failure bone marrow failure: A condition that occurs when the bone marrow stops making enough healthy blood cells. The most common of these rare diseases are aplastic anemia, myelodysplastic syndromes (MDS) and paroxysmal nocturnal hemoglobinuria (PNH). Bone marrow failure can be acquired (begin any time in life) or can be… syndromes, which means we need to look more closely at their genetic makeup. Recent research has found that many IAA patients carry genetic variants usually linked to inherited disorders, challenging the idea that IAA is only caused by environmental factors. Additionally, complex genetic changes, such as large variations in gene sequences, are more common in IAA than in other types of bone marrow failure, indicating a complicated genetic picture. Long-read sequencing technology has significant advantages over traditional methods. It can effectively capture larger genetic changes, helping researchers identify both known and previously unseen genetic variations. This could provide clearer insight into what causes IAA. This study aims to fill the gaps in our understanding of large genetic changes in IAA by using advanced sequencing technology. We plan to take small blood samples from IAA patients to analyze their genetic makeup. By comparing their genetics to those of healthy individuals, we hope to uncover differences that could provide insights into the condition. Recent findings highlight how effective long-read sequencing is for studying genetics. Using this technique in IAA could help us discover important details about its genetic profile. By thoroughly investigating the genetic landscape of IAA, this research could lead to better understanding of how the disease develops. It may also help in creating more targeted treatments for patients. Ultimately, understanding the genetic basis of IAA could improve outcomes and support more personalized approaches to care.
Ganesh Kumar Viswanathan, DM
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Research Title
Structural variations & copy number alterations in adult immune aplastic anemia
Original Research Center
All India Institute of Medical Sciences New Delhi
Position / Title
Associate Professor
2024
Institution
All India Institute of Medical Sciences New Delhi
Bone Marrow Disease(s)
