Evidence map›Paper›PMID 34766559›Full record

ReviewMedicine2021

Molecular genetics of β-thalassemia: A narrative review.

Tang-Her Jaing, Tsung-Yen Chang, Shih-Hsiang Chen, Chen-Wei Lin, Yu-Chuan Wen, Chia-Chi Chiu

Open access · greenAbstract readReview
In one paragraph

Review in Medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed
2.6field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

45 citing papers in PubMed, 31 citations in OpenAlex.

  1. Trial
  2. Article
  3. Article
  4. Review
  5. Glomerular Injury Findings in Patients with Thalassemia Minor.International journal of molecular sciences · 2026
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Review
  16. Article
  17. Mutation Analysis for Hemoglobinopathies in Eastern Jharkhand.Indian journal of hematology & blood transfusion : an official journal of Indian Society of Hematology and Blood Transfusion · 2025
    Article
  18. Review
  19. Beta thalassemia syndromes: New insights.World journal of clinical cases · 2025
    Review
  20. Assessing oxidative stress in foetuses with β-globin gene mutations.The Indian journal of medical research · 2025
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 1 country.

Tang-Her JaingDivisions of Hematology and Oncology, Department of Pediatrics, Chang Gung Children's Hospital, Chang Gung University, Taoyuan, Taiwan.ORCID 0000-0002-5407-1555
Tsung-Yen ChangDivisions of Hematology and Oncology, Department of Pediatrics, Chang Gung Children's Hospital, Chang Gung University, Taoyuan, Taiwan.
Shih-Hsiang ChenDivisions of Hematology and Oncology, Department of Pediatrics, Chang Gung Children's Hospital, Chang Gung University, Taoyuan, Taiwan.
Chen-Wei LinSchool of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan.
Yu-Chuan WenDepartment of Nursing, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
Chia-Chi ChiuDepartment of Nursing, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
Chang Gung Children's Hospital · TWChang Gung Memorial Hospital · TWChang Gung University · TW

Funding

ministry of health and welfare KMRPB3F033
6 · The paper itself

Abstract

abstractβ-thalassemia is a hereditary hematological disease caused by over 350 mutations in the β-globin gene (HBB). Identifying the genetic variants affecting fetal hemoglobin (HbF) production combined with the α-globin genotype provides some prediction of disease severity for β-thalassemia. However, the generation of an additive composite genetic risk score predicts prognosis, and guide management requires a larger panel of genetic modifiers yet to be discovered.Presently, using data from prior clinical trials guides the design of further research and academic studies based on gene augmentation, while fundamental insights into globin switching and new technology developments have inspired the investigation of novel gene therapy approaches.Genetic studies have successfully characterized the causal variants and pathways involved in HbF regulation, providing novel therapeutic targets for HbF reactivation. In addition to these HBB mutation-independent strategies involving HbF synthesis de-repression, the expanding genome editing toolkit provides increased accuracy to HBB mutation-specific strategies encompassing adult hemoglobin restoration for personalized treatment of hemoglobinopathies. Allogeneic hematopoietic stem cell transplantation was, until very recently, the curative option available for patients with transfusion-dependent β-thalassemia. Gene therapy currently represents a novel therapeutic promise after many years of extensive preclinical research to optimize gene transfer protocols.We summarize the current state of developments in the molecular genetics of β-thalassemia over the last decade, including the mechanisms associated with ineffective erythropoiesis, which have also provided valid therapeutic targets, some of which have been shown as a proof-of-concept.

Indexed as

beta-ThalassemiaHemoglobinopathiesFetal HemoglobinGene EditingHumansMolecular BiologyFetal Hemoglobin

Identifiers

PMID34766559
PMCPMC8589257
OpenAlexW3212713693

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.