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Overexpression of h...
Overexpression of heparanase in mice promoted megakaryopoiesis
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- Tan, Ying-Xia (author)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi,Science for Life Laboratory, SciLifeLab,Beijing Inst Transfus Med, Dept Tissue Engn, 27 Taiping Rd, Beijing 100850, Peoples R China
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- Cui, Hao (author)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi,Science for Life Laboratory, SciLifeLab,Jiangxi Normal Univ, Coll Life Sci, 99 Ziyang Rd, Nanchang 330022, Jiangxi, Peoples R China
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- Wan, Lu-Ming (author)
- Beijing Inst Transfus Med, Dept Tissue Engn, 27 Taiping Rd, Beijing 100850, Peoples R China
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- Gong, Feng (author)
- Beijing Inst Transfus Med, Dept Tissue Engn, 27 Taiping Rd, Beijing 100850, Peoples R China
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- Zhang, Xiao (author)
- Uppsala universitet,Farmakologi
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- Vlodavsky, Israel (author)
- Technion, Fac Med, Canc & Vasc Biol Res Ctr Rappaport, Box 9649, IL-31096 Haifa, Israel
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- Li, Jin-Ping (author)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi,Science for Life Laboratory, SciLifeLab
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(creator_code:org_t)
- 2018-02-19
- 2018
- English.
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In: Glycobiology. - : OXFORD UNIV PRESS INC. - 0959-6658 .- 1460-2423. ; 28:5, s. 269-275
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https://academic.oup...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Heparanase, an endo-glucuronidase that specifically cleaves heparan sulfate (HS), is upregulated in several pathological conditions. In this study, we aimed to find a correlation of heparanase expression and platelets production. In the transgenic mice overexpressing human heparanase (Hpa-tg), hematological analysis of blood samples revealed a significantly higher number of platelets in comparison with wild-type (Ctr) mice, while no significant difference was found in leukocytes and red blood cell number between the two groups. Total number of thiazole orange positive platelets was increased in Hpa-tg vs. Ctr blood, reflecting a higher rate of platelets production. Concomitantly, megakaryocytes from Hpa-tg mice produced more and shorter HS fragments that were shed into the medium. Further, thrombopoietin (TPO) level was elevated in the liver and plasma of Hpa-tg mice. Together, the data indicate that heparanase expression promoted megakaryopoiesis, which may be through upregulated expression of TPO and direct effect of released HS fragments expressed in the megakaryocytes.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Medicinsk bioteknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Medical Biotechnology (hsv//eng)
Keyword
- heparan sulfate
- heparanase
- megakaryopoiesis
- platelets
Publication and Content Type
- ref (subject category)
- art (subject category)
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