Expression of Blimp-1 transcription factor mRNA isoforms in the mononuclear cells from bone marrow of leukemia and lymphoma patients
Chiang Mai Medical Journal (Formerly Chiang Mai Medical Bulletin) is an official journal of the Faculty of Medicine, Chiang Mai University. It accepts original papers on clinical and experimental research that are pertinent in the biomedical sciences. The Journal is published 4 issues/year (i.e., Ma...
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Faculty of Medicine, Chiang Mai University
2019
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| Online Access: | https://www.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/87782/69229 http://cmuir.cmu.ac.th/jspui/handle/6653943832/65043 |
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th-cmuir.6653943832-650432019-05-07T10:02:37Z Expression of Blimp-1 transcription factor mRNA isoforms in the mononuclear cells from bone marrow of leukemia and lymphoma patients การแสดงออกของ mRNA ไอโซฟอร์มของทรานสคริปชั่นแฟคเตอร์ Blimp-1 ในโมโนนิวเคลียร์เซลล์ในไขกระดูกที่แยกจากผู้ป่วยมะเร็งเม็ดเลือดขาวและต่อมน้ําเหลือง Jedsada Kaewrakmuk Laddawan Laomanit Mongkol Punyot Pimlak Charoenkwan Weerasak Nawarawong Wilaiwan Petsophonsakul Chiang Mai Medical Journal (Formerly Chiang Mai Medical Bulletin) is an official journal of the Faculty of Medicine, Chiang Mai University. It accepts original papers on clinical and experimental research that are pertinent in the biomedical sciences. The Journal is published 4 issues/year (i.e., Mar, Jun, Sep, and Dec). Objective To determine the expression of Blimp-1 mRNA isoforms in the mononuclear cells from bone marrow of patients with leukemia and lymphoma. Method Twenty three bone marrow samples were obtained from leukemia or lymphoma patients at Maharaj Nakorn Chiang Mai University Hospital. Bone marrow mononuclear cells were isolated by Ficoll-Hypaque gradient centrifugation. The expression of full length and exon 7 deleted (∆7 isoform) mRNA was performed by RT-PCR. The Molecular Analysis program was used to analyze intensity of the PCR products. The band intensity ratio of Blimp-1 isoforms was compared with the GAPDH control of the same sample. Results Blimp-1 mRNA isoforms were found to have abnormal expressions in some patients. Most patients who expressed both isoforms presented more ∆7 isoforms than full length ones, whereas of four patients; two with ALL, one with AML and one with lymphoma, were found to have the opposite ratio. Only ∆7 isoform was expressed in 2 patients with NHL, who were both new cases of untreated patients. Interestingly, one abnormal isoform with an unusual PCR product size of 1,150 bp was found in a patient with ALL. This patient also showed an abnormal expression of XBP-1, a downstream signaling of Blimp-1 that responds to ER stress and is involved in immunoglobulin secretion. Conclusion This study demonstrated the expression profi le of full-length and ∆7 Blimp-1 isoforms in primary leukemic and lymphoma cells. One isoform, which has not been described, was identifi ed in one patient diagnosed with ALL. As ∆7 isoforms lack a DNA binding domain, an abnormally high level of ∆7 isoform expression may play a role in the malignant transformation of these cells. 2019-05-07T10:02:37Z 2019-05-07T10:02:37Z 2016 บทความวารสาร 0125-5983 https://www.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/87782/69229 http://cmuir.cmu.ac.th/jspui/handle/6653943832/65043 Eng Faculty of Medicine, Chiang Mai University |
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Thailand |
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Chiang Mai Medical Journal (Formerly Chiang Mai Medical Bulletin) is an official journal of the Faculty of Medicine, Chiang Mai University. It accepts original papers on clinical and experimental research that are pertinent in the biomedical sciences. The Journal is published 4 issues/year (i.e., Mar, Jun, Sep, and Dec). |
| format |
บทความวารสาร |
| author |
Jedsada Kaewrakmuk Laddawan Laomanit Mongkol Punyot Pimlak Charoenkwan Weerasak Nawarawong Wilaiwan Petsophonsakul |
| spellingShingle |
Jedsada Kaewrakmuk Laddawan Laomanit Mongkol Punyot Pimlak Charoenkwan Weerasak Nawarawong Wilaiwan Petsophonsakul Expression of Blimp-1 transcription factor mRNA isoforms in the mononuclear cells from bone marrow of leukemia and lymphoma patients |
| author_facet |
Jedsada Kaewrakmuk Laddawan Laomanit Mongkol Punyot Pimlak Charoenkwan Weerasak Nawarawong Wilaiwan Petsophonsakul |
| author_sort |
Jedsada Kaewrakmuk |
| title |
Expression of Blimp-1 transcription factor mRNA isoforms in the mononuclear cells from bone marrow of leukemia and lymphoma patients |
| title_short |
Expression of Blimp-1 transcription factor mRNA isoforms in the mononuclear cells from bone marrow of leukemia and lymphoma patients |
| title_full |
Expression of Blimp-1 transcription factor mRNA isoforms in the mononuclear cells from bone marrow of leukemia and lymphoma patients |
| title_fullStr |
Expression of Blimp-1 transcription factor mRNA isoforms in the mononuclear cells from bone marrow of leukemia and lymphoma patients |
| title_full_unstemmed |
Expression of Blimp-1 transcription factor mRNA isoforms in the mononuclear cells from bone marrow of leukemia and lymphoma patients |
| title_sort |
expression of blimp-1 transcription factor mrna isoforms in the mononuclear cells from bone marrow of leukemia and lymphoma patients |
| publisher |
Faculty of Medicine, Chiang Mai University |
| publishDate |
2019 |
| url |
https://www.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/87782/69229 http://cmuir.cmu.ac.th/jspui/handle/6653943832/65043 |
| _version_ |
1681426195103612928 |