Hematopoietic Reconstitution
Hematopoietic Reconstitution - Related Videos
07:05
Reconstitution of Membrane Proteins
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2023
Reconstitution is the process of returning an isolated biomolecule to its original form or function. This is particularly useful for studying membrane proteins, which enable important cellular functions and affect the behavior of nearby lipids. To study the function of purified membrane proteins in situ, they must be reconstituted by integrating them into an artificial lipid membrane. This video introduces membrane protein reconstitution concepts and related procedures, such as protein...
22:06
Derivation of Hematopoietic Stem Cells from Murine Embryonic Stem Cells
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Cited by 8 •
2007
This protocol details the derivation of transplantable hematopoietic stem cells from mouse embryonic stem cells (ESC) and their subsequent injection into lethally irradiated recipient mice. Briefly, ESC are differentiated as embryoid bodies, which are then infected with retroviral HoxB4 and co-cultured with OP9 stromal cells and hematopoietic cytokines.
09:25
In vitro Reconstitution of the Active T. castaneum Telomerase
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Cited by 5 •
2011
Efforts to isolate the catalytic subunit of telomerase, TERT, in sufficient quantities for structural studies, have been met with limited success for more than a decade. Here, we present methods for the isolation of the recombinant Tribolium castaneum TERT (TcTERT) and the reconstitution of the active T. castaneum telomerase ribonucleoprotein (RNP) complex in vitro.
12:03
Phenotypic Analysis and Isolation of Murine Hematopoietic Stem Cells and Lineage-committed Progenitors
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Cited by 18 •
2012
A method to analyse the distribution of bone marrow hematopoietic progenitors in flow cytometry as well as to efficiently isolate highly purified hematopoietic stem cells (HSCs) is described. The isolation procedure is essentially based on magnetic enrichment of c-Kit+ cells and cell sorting to purify HSCs for cellular and molecular studies.
10:40
Homing of Hematopoietic Cells to the Bone Marrow
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Cited by 15 •
2009
This article describes a protocol used to study the homing of hematopoietic cells to their niches in the bone marrow.
FAQs
These cells provide the cellular foundation for rebuilding blood production after depletion or transplantation. Once they establish themselves in the bone marrow, they can generate multiple blood-cell populations rather than restoring only one function. Their activity therefore supports the coordinated return of oxygen transport, immune defense, and blood clotting.
Self-renewal allows hematopoietic stem cells to maintain the blood-forming cell supply while also supporting the production of differentiated descendants. This property is important because recovery requires continuing output of red blood cells, immune cells, and platelets, not merely a temporary increase in one cell type. It also provides a basis for evaluating sustained stem-cell engraftment.
Differentiation directs stem and progenitor cells into distinct blood-cell lineages with complementary roles. Red blood cells contribute to oxygen transport, immune cells support defense, and platelets participate in clotting. Studying these outputs helps reveal whether reconstitution is restoring the major functional components of the blood-forming system rather than producing cells without balanced physiological roles.
Studies commonly examine whether hematopoietic stem and progenitor cells have established themselves in the bone marrow and whether blood-cell production is recovering. The resulting assessment can address stem cell engraftment, restoration of immune function, and recovery of red blood cell and platelet production. These measures connect cellular behavior with broader blood-system recovery.
Chemotherapy or radiation can be studied in relation to depletion of the blood-forming system and its subsequent recovery. Hematopoietic reconstitution provides a framework for examining whether stem and progenitor cells restore blood production after such treatment. This is relevant to understanding recovery of oxygen transport, immune defense, and clotting capacity in biological and medical research.
Reconstitution studies help researchers examine how transplanted blood-forming cells establish themselves and restore multiple blood-cell lineages. That information supports investigation of graft compatibility, because transplantation outcomes depend on how the graft relates to blood-system recovery. The same knowledge contributes to research on blood disorders and cell-based therapies designed to address defects in blood formation.