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Related Experiment Video

Updated: Jun 6, 2026

An Allele-specific Gene Expression Assay to Test the Functional Basis of Genetic Associations

An Allele-specific Gene Expression Assay to Test the Functional Basis of Genetic Associations

Published on: November 3, 2010

A twins heritability study on alpha hemoglobin stabilizing protein (AHSP) expression variability.

Mei I Lai¹, Chad Garner, Jie Jiang

¹Department of Pathology, Universiti Putra Malaysia, Malaysia. laimeii@medic.upm.edu.my

Twin Research and Human Genetics : the Official Journal of the International Society for Twin Studies

|December 15, 2010

Summary

Genetic factors significantly influence alpha hemoglobin stabilizing protein (AHSP) expression, a key protein in preventing red blood cell damage in beta-thalassemia. Understanding AHSP heritability is crucial for developing new therapeutic strategies.

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Genetic Analysis of Hereditary Transthyretin Ala97Ser Related Amyloidosis

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Published on: June 9, 2018

Area of Science:

Hematology
Genetics
Molecular Biology

Background:

Beta-thalassemia is characterized by red blood cell membrane damage due to cytotoxic precipitation of alpha-globin monomers, leading to anemia and ineffective erythropoiesis.
Alpha hemoglobin stabilizing protein (AHSP) binds free alpha-globin monomers, forming a soluble complex that prevents harmful precipitation and stabilizes red blood cells.

Purpose of the Study:

To investigate the heritability of alpha hemoglobin stabilizing protein (AHSP) expression.
To identify genetic and environmental factors contributing to variations in AHSP expression levels.

Main Methods:

A twin study was employed to assess the influence of genetics and environment on AHSP expression.
Quantitative analysis of AHSP expression levels was performed.

Main Results:

Genetic heritability was found to be the major determinant of AHSP expression, accounting for 46% of the variation.
Cis-acting factors contributed 19% and trans-acting factors contributed 27% to AHSP expression variability.

Conclusions:

A significant portion of AHSP expression variation is attributable to genetic factors.
These findings support further investigation into AHSP as a potential therapeutic agent for beta-thalassemia.