Related Experiment Video
Updated: Apr 20, 2026

A Simple Protocol for Platelet-mediated Clumping of Plasmodium falciparum-infected Erythrocytes in a Resource Poor Setting
Published on: May 16, 2013
Erythrocyte-platelet interaction in uncomplicated pregnancy
Albe C Swanepoel1, Etheresia Pretorius1
1Department of Physiology,School of Medicine, Faculty of Health Sciences,University of Pretoria,Private Bag x323;Arcadia 0007,South Africa.
Pregnancy alters blood cells, with unique interactions between red blood cells (RBCs) and platelets observed. These RBC-platelet interactions may explain pregnancy-related blood changes and hypercoagulability.
Area of Science:
- Hematology
- Obstetrics
- Cell Biology
Background:
- Pregnancy involves significant hematopoietic system changes.
- Erythrocytes (red blood cells, RBCs) and platelets are crucial for coagulation.
- RBC-platelet interactions may underlie pregnancy-associated hypercoagulability.
Purpose of the Study:
- To investigate RBC-platelet interactions during uncomplicated pregnancy.
- To explore the role of these interactions in pregnancy-related hematological changes.
Main Methods:
- Literature review on RBC and platelet membrane interactions.
- Scanning electron microscopy of blood smears from 90 pregnant individuals.
- Analysis of RBC-platelet interactions across different pregnancy stages.
Main Results:
- Observed pregnancy-specific interactions between RBCs and platelets.
- Platelets exhibited spreading and pseudopodia formation with RBCs.
- Increased estrogen and fibrinogen concentrations may drive these interactions.
Conclusions:
- Specific RBC-platelet interactions occur during pregnancy.
- These interactions may contribute to the hypercoagulable state in pregnancy.
- RBC-platelet interactions might play a role in gestational thrombocytopenia.
Related Concept Videos
Formation of the Platelet Plug
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
Structure and Function of Platelets
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
Rh Blood Group
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Factors Affecting Erythropoiesis
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...
Disorders of Erythrocytes
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...

