Profile of hemoglobin D trait in West Bengal, India

  • Tuphan K. Dolai | Hematology Department, NRS Medical College and Hospital, Kolkata, India.
  • Rajkumar Bera Thalassaemia Society of Midnapur District, West Bengal, India.
  • Suman K. Maji Hematology Department, NRS Medical College and Hospital, Kolkata, India.
  • Prakas K. Mandal Pathology Department, IPGMER, Kolkata, India.


Hemoglobin (Hb) D Punjab is one of the most commonly observed abnormal hemoglobinopathy worldwide. There was no systematic large published study to investigate the characteristic of Hb D Punjab trait in India. This study was conducted in school and college students, newly married couples and pregnant women after proper counseling in the rural areas of West Bengal state in eastern India. Complete blood count was done by Sysmax Automated Hematology Analyzer KX 21 (Sysmex Corp., Kobe, Japan) and thalassemia testing was done using high-performance liquid chromatography (Variant TM - Bio-Rad Lab., Hercules, CA, USA). A total of 46,139 individuals were screened for hemoglobinopathies. Hb D trait was found in 0.35%. Hypochromia rather than microcytosis is consistent finding in Hb D trait. Anisocytosis is absent in Hb D trait. In almost all (99.37%) cases, Hb D is within 40% of total hemoglobin. This data is likely to be helpful for screening of hemoglobinopathy in resource poor setting.



血红蛋白(Hb) D Punjab是全球最普遍的异常血红蛋白病之一。在印度,之前并没有研究D型特征血红蛋白病的大型出版物。本研究在印度东部的西孟加拉邦的农村地区进行,研究对象是接受过相关咨询后的在校生,大学生,新婚夫妇和孕妇。完整的血细胞计数由日本神户市Sysmex公司的KX21自动化血液分析仪完成,血液测试由美国加州赫拉克勒斯Variant-Bio-Rad实验室通过高效液相色谱法完成。总计46139人被筛查,D型特征血红蛋白病的发现率为0.35%。血红蛋白过少而非小红细胞症,是D型特征血红蛋白病的主要症状。红细胞大小不均没有在D型特征血红蛋白病中被检测出。在所有的情况中(99.37%),D型特征血红蛋白占所有血红蛋白总数的40%。这些数据有利于在资源匮乏地区对血红蛋白病的筛查。



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Author Biography

Tuphan K. Dolai, Hematology Department, NRS Medical College and Hospital, Kolkata
Associate Professor
Original Articles
Supporting Agencies
hemoglobin D trait, red blood cell indices, high-performance liquid chromatography.
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How to Cite
Dolai, T., Bera, R., Maji, S., & Mandal, P. (2014). Profile of hemoglobin D trait in West Bengal, India. Thalassemia Reports, 4(1).