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- Andersson, Ann-Catrin, et al.
(författare)
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Elevated levels of the human endogenous retrovirus ERV3 in human sebaceous glands
- 1996
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Ingår i: Journal of Investigative Dermatology. - : Elsevier BV. - 0022-202X .- 1523-1747. ; 106:1, s. 125-128
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Tidskriftsartikel (refereegranskat)abstract
- ERV3 (HERV-R) is a complete human endogenous retrovirus located on the long arm of chromosome 7. Long terminal repeat-envelope (env) gene spliced mRNAs of 9 and 3.5 kb are widely expressed in human tissues and cells, but gag-pol mRNAs have not been found. Furthermore, the env gp70 gene contains an open reading frame throughout its length. The highest expression of ERV3 mRNA detected so far is in placenta and the lowest in choriocarcinoma cell lines. We have previously shown that the human monoblastic cell line U-937 and some normal and neoplastic tissues also express high levels of ERV3 env message by Northern blot analysis; however, this method does not distinguish between mRNA expression in different cell types in tissues. In this report, we have studied the ERV3 mRNA expression in specific cell types of human skin by in situ hybridization. We found high levels expression of ERV3 env mRNA in human sebaceous glands in normal skin and dermoid cysts of the ovary. In all glands, the expression is maximal in the periphery of the lobule and ceases towards the center in the region of characteristic holocrine secretion. Since it is known that the regulation of sebaceous glands is primarily via steroid hormones, particularly androgens, it is possible that expression of ERV3 is hormone dependent.
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| 2. |
- Lind, Lars, et al.
(författare)
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Cardiovascular risk factors and electrographical characteristics and abnormalities in middle-aged males.
- 1997
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Ingår i: J Intern Med. - 0954-6820. ; 241:2, s. 109-13
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: To evaluate if characteristics and abnormalities found at the electrocardiogram (ECG) are related to common cardiovascular risk factors included in the insulin-resistance metabolic syndrome. DESIGN: Cross-sectional. SETTING: Tertiary university hospital. SUBJECTS: Over 2000 middle-aged males in whom ECG abnormalities were recorded, together with ECG characteristics measured in a random sample of men with no ECG abnormalities (n = 113). INTERVENTIONS: None. RESULTS: All three components of the metabolic syndrome; elevated blood pressure, dyslipidaemia and hyperinsulinaemia were found to be related to the heart rate (P < 0.002) and the QRS-duration (P < 0.01) and inversely to the QoT-interval (P < 0.05), the early diastolic phase (P < 0.05) and the T-wave amplitude (P < 0.02). The components of the metabolic syndrome was furthermore found to be associated with the occurrence of T-wave abnormalities (n = 64, P < 0.01) and to a lesser degree also to the occurrence of Q-waves (n = 21). CONCLUSIONS: The components of the insulin-resistance metabolic syndrome were related both to certain ECG characteristics in subjects with a normal ECG and to some ECG abnormalities. A raised sympathetic activity is likely to be the link between some of the described associations, whilst coronary heart diseases may explain others.
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