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Diagnostic potentia...
Diagnostic potential of miR-483 family for IGF-II producing non-islet cell tumor hypoglycemia
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- Nagao, Mototsugu (author)
- Lund University,Lunds universitet,Diabetes - öcellsexocytos,Forskargrupper vid Lunds universitet,Diabetes - Islet Cell Exocytosis,Lund University Research Groups,Nippon Medical School
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- Fukuda, Izumi (author)
- Nippon Medical School
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- Asai, Akira (author)
- Nippon Medical School
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- Esguerra, Jonathan L.S. (author)
- Lund University,Lunds universitet,Diabetes - öcellsexocytos,Forskargrupper vid Lunds universitet,Diabetes - Islet Cell Exocytosis,Lund University Research Groups
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- Hizuka, Naomi (author)
- Tokyo Women's Medical University
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- Eliasson, Lena (author)
- Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Diabetes - öcellsexocytos,Forskargrupper vid Lunds universitet,Department of Clinical Sciences, Malmö,Faculty of Medicine,Diabetes - Islet Cell Exocytosis,Lund University Research Groups
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- Sugihara, Hitoshi (author)
- Nippon Medical School
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(creator_code:org_t)
- 2021
- 2021
- English 9 s.
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In: European Journal of Endocrinology. - 1479-683X. ; 184:1, s. 41-49
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
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- Objective: In insulin-like growth factor II (IGF-II) producing non-islet cell tumor hypoglycemia (NICTH), high molecular weight forms of IGF-II (big IGF-II) are produced as a cause of spontaneous hypoglycemia. MicroRNA (miRNA)-483 family, encoded in an intron lesion of IGF2 gene, is suggested to be co-expressed with IGF-II. Here, we tested whether serum miR-483-5p and -3p levels are associated with the presence of big IGF-II in NICTH. Design: Serum samples from patients who were suspected to have IGF-II producing NICTH (n = 42) were tested. MiR-483-5p and -3p levels were evaluated using quantitative PCR. IGF-II level was analyzed using ELISA. The presence of big IGF-II was identified by Western blotting. Results: Big IGF-II was detected in the sera of 32 patients. MiR-483-5p (P = 0.0015) and -3p (P = 0.027) levels were significantly higher in sera with big IGF-II (n = 32) than in those without (n = 10), whereas serum IGF-II level (P = 0.055) was not significantly different between the groups. The median serum concentration of miR-483-5p was ~10 times higher than that of miR-483-3p. Although a strong correlation was observed between the two miRNAs (r = 0.844, P < 0.0001), but neither of which was correlated with serum IGF-II level. The areas under the receiver operating characteristic curves of miR-483-5p (0.853) and -3p (0.722) were higher than that of IGF-II (0.694) for detecting the presence of big IGF-II. Conclusion: The associations of serum miR-483-5p and -3p levels with the presence of big IGF-II suggest the diagnostic potential of these miRNAs for IGF-II producing NICTH.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Klinisk laboratoriemedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Clinical Laboratory Medicine (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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