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Blood Transfusion

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Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
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Blood Transfusion and Agglutination02:45

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Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
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Red blood cells  (RBCs) transport oxygen to all body tissues. These cells survive only for 120 days and then need to be replenished. Erythropoiesis is the process of RBC production. In healthy individuals, erythropoiesis ensures all tissues are amply supplied with oxygen. In addition, blood loss due to injury leads to a drop in the physiological oxygen level that will cause erythropoiesis. Any defect in erythropoiesis leads to several physiological disorders, including thalassemia, anemia,...
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Structure and Function of Erythrocytes01:29

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There are between 4.2 and 6 million erythrocytes, also known as red blood cells, in every microliter of blood. These cells are small, flattened biconcave discs with centers that are depressed.
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Lifecycle of Erythrocytes01:22

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Erythrocytes, also known as red blood cells, constantly move through blood capillaries. As a result, they damage their plasma membrane due to the continuous friction. Typically, after 100 to 120 days, erythrocytes become rigid and fragile as they wear out. As they pass through small vessels in the spleen and liver, they can get trapped and break apart into fragments.
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Bone Marrow Sampling and Transplants01:22

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Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
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Updated: Jul 18, 2025

Antigens Protected Functional Red Blood Cells By The Membrane Grafting Of Compact Hyperbranched Polyglycerols
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Red blood cells: a potential delivery system.

Mengran Chen1, Yamei Leng1, Chuan He2

  • 1Department of Hematology, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China.

Journal of Nanobiotechnology
|August 23, 2023
PubMed
Summary
This summary is machine-generated.

Red blood cells (RBCs) show promise as drug delivery vehicles due to their unique properties. This review explores their characteristics and biomedical applications for enhanced therapeutic delivery.

Keywords:
BioimagingDelivery systemRed blood cellsTherapeutic strategies

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Area of Science:

  • Biomedical Engineering
  • Cellular Biology
  • Drug Delivery Systems

Background:

  • Red blood cells (RBCs) are the most prevalent cells in the human body.
  • RBCs possess distinct biological and physical attributes that make them suitable for various applications.
  • Their low immunogenicity and extended circulation time are key advantages.

Purpose of the Study:

  • To compare the physiological and physical characteristics of RBCs.
  • To analyze the advantages of RBCs as potential delivery vehicles.
  • To summarize current biomedical applications of RBCs and their derivatives.

Main Methods:

  • Literature review and comparative analysis of RBC properties.
  • Examination of existing research on RBC-based delivery systems.
  • Synthesis of data on biomedical applications.

Main Results:

  • RBCs exhibit unique properties favorable for drug delivery.
  • Low immunogenicity and long circulation enhance their potential.
  • Diverse applications in biomedicine have been developed.

Conclusions:

  • RBCs and their derivatives offer significant potential as advanced delivery systems.
  • Understanding RBC characteristics is crucial for optimizing therapeutic strategies.
  • Further research can expand their utility in various biomedical fields.