Related Experiment Video
Updated: Feb 10, 2026
09:01
Intraportal Transplantation of Pancreatic Islets in Mouse Model
Published on: May 5, 2018
10.3K
[Histocompatibility tests in a transplantation program]
1Laboratorio de Histocompatibilidad, Departamento de Trasplantes, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México, DF. cdeleoc@yahoo.com
Summary
The histocompatibility lab is crucial for solid organ transplants, performing HLA typing and crossmatching to improve graft survival and reduce rejection. These tests identify antibodies, guiding donor selection and preventing early graft loss.
Area of Science:
- Immunogenetics
- Transplantation immunology
Context:
- Solid organ transplantation relies heavily on histocompatibility testing.
- The histocompatibility laboratory plays a vital role in recipient-donor matching.
Purpose:
- To elucidate the role of the histocompatibility laboratory in solid organ transplantation.
- To highlight the significance of HLA typing, HLA matching, and crossmatch procedures.
Summary:
- Histocompatibility laboratories perform Human Leukocyte Antigen (HLA) typing to determine recipient-donor compatibility, enhancing graft survival and minimizing chronic rejection.
- The crossmatch test is critical for detecting recipient antibodies against donor antigens, preventing hyperacute rejection and early graft loss.
- Antibody evaluation, including percent panel reactive antibody (%PRA) and specificity, is essential for donor selection and assessing patient immune status.
Impact:
- Optimized donor-recipient selection through HLA matching and crossmatch testing improves transplant outcomes.
- Accurate histocompatibility testing reduces the risk of humoral rejection and enhances long-term graft survival.
- The laboratory's role is pivotal in managing alloimmunization and ensuring successful transplantation.
Related Concept Videos
01:28Kidney Transplant I: Introduction
494
A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
494
01:24Tissue Transplantation
1.1K
Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
1.1K
01:27Testes: Histology
3.1K
A tough, fibrous membrane, the tunica albuginea, covers the testes, extending inward to form fibrous partitions or septa, dividing them into internal compartments called lobules. Each lobule has 1 to 3 tightly coiled seminiferous tubules where sperm production occurs. These tubules merge into a tubular network at the back of the testis, known as the rete testis. It connects to 15 to 20 efferent ductules, leading to the epididymis.
The spermatogenic cells, responsible for producing sperm, are...
The spermatogenic cells, responsible for producing sperm, are...
3.1K
00:49Complementation Tests
6.3K
A complementation test is a simple cross to identify whether the two mutations are located on the same gene or different genes. It was first performed by Edward Lewis in the 1940s while working on fruit flies. He developed the test to identify the location and arrangement of different mutations on chromosomes.
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
6.3K
01:04Significance Testing: Overview
12.8K
Significance testing is a set of statistical methods used to test whether a claim about a parameter is valid. In analytical chemistry, significance testing is used primarily to determine whether the difference between two values comes from determinate or random errors. The effect of a particular change in the measurement protocol, analyst, or sample itself can cause a deviation from the expected result. In the case of a suspected deviation/outlier, we need to be able to confirm mathematically...
12.8K
01:19Testes: Gross Anatomy
6.4K
The testes, also known as testicles, are the male gonads. They are housed within the scrotum, a sac-like structure located beneath the penis. The scrotum's primary role is to regulate the temperature of the testes, which is crucial for sperm production.
Each testis is surrounded by the tunica albuginea, a dense connective tissue layer that provides structural support and protection. This layer is covered by an outer serous membrane called the tunica vaginalis, which helps reduce friction...
Each testis is surrounded by the tunica albuginea, a dense connective tissue layer that provides structural support and protection. This layer is covered by an outer serous membrane called the tunica vaginalis, which helps reduce friction...
6.4K