Treating sickle cell disease by targeting HbS polymerization

WA Eaton, HF Bunn - Blood, The Journal of the American …, 2017 - ashpublications.org
Although the root cause of sickle cell disease is the polymerization of hemoglobin S (HbS) to
form fibers that make red cells less flexible, most drugs currently being assessed in clinical …

New developments in anti‐sickling agents: can drugs directly prevent the polymerization of sickle haemoglobin in vivo?

E Oder, MK Safo, O Abdulmalik… - British journal of …, 2016 - Wiley Online Library
The hallmark of sickle cell disease is the polymerization of sickle haemoglobin due to a point
mutation in the β‐globin gene (HBB). Under low oxygen saturation, sickle haemoglobin …

A phase 1 dose escalation study of the pyruvate kinase activator mitapivat (AG-348) in sickle cell disease

JZ Xu, A Conrey, I Frey, E Gwaabe… - Blood, The Journal …, 2022 - ashpublications.org
Polymerization of deoxygenated hemoglobin S underlies the pathophysiology of sickle cell
disease (SCD). In activating red blood cell pyruvate kinase and glycolysis, mitapivat (AG …

Detrimental effects of adenosine signaling in sickle cell disease

Y Zhang, Y Dai, J Wen, W Zhang, A Grenz, H Sun… - Nature medicine, 2011 - nature.com
Hypoxia can act as an initial trigger to induce erythrocyte sickling and eventual end organ
damage in sickle cell disease (SCD). Many factors and metabolites are altered in response …

Phenotypic screening of the ReFRAME drug repurposing library to discover new drugs for treating sickle cell disease

B Metaferia, T Cellmer… - Proceedings of the …, 2022 - National Acad Sciences
Stem cell transplantation and genetic therapies offer potential cures for patients with sickle
cell disease (SCD), but these options require advanced medical facilities and are expensive …

Therapeutic strategies to alter the oxygen affinity of sickle hemoglobin

MK Safo, GJ Kato - Hematology/Oncology Clinics, 2014 - hemonc.theclinics.com
The erythrocytes in sickle cell disease have long been known to show decreased oxygen
affinity compared with those from healthy volunteers. 1–4 This property is measured as an …

6 Pathophysiology of sickle cell disease

MH Steinberg - Baillière's clinical haematology, 1998 - Elsevier
Sickle cell disease is caused by a mutation in the β-globin chain of the haemoglobin
molecule. Sickle haemoglobin, the result of this mutation, has the singular property of …

Sparing effect of hemoglobin F and hemoglobin A2 on the polymerization of hemoglobin S at physiologic ligand saturations.

WN Poillon, BC Kim, GP Rodgers… - Proceedings of the …, 1993 - National Acad Sciences
Recent interest in therapies for sickle cell anemia based on elevating fetal Hb has made
accurate estimates of the sparing effect of fetal Hb (Hb F) and other non-sickle Hbs on sickle …

3 Sickle cell disease pathophysiology

CT Noguchi, AN Schechter, GP Rodgers - Baillière's clinical haematology, 1993 - Elsevier
The primary pathophysiological event in the erythrocytes of individuals with the various
sickle syndromes is the intracellular aggregation or polymerization of sickle haemoglobin …

Allosteric control of hemoglobin S fiber formation by oxygen and its relation to the pathophysiology of sickle cell disease

ER Henry, T Cellmer… - Proceedings of the …, 2020 - National Acad Sciences
The pathology of sickle cell disease is caused by polymerization of the abnormal
hemoglobin S upon deoxygenation in the tissues to form fibers in red cells, causing them to …