Abstract：
:The aim of this work is to assess the level of the human alkaline phosphatase enzyme (ALP) during palatal expansion with Quad-Helix (QH) appliance. A total of twenty-two orthodontic patients characterized by contraction of the upper jaw, that needed application of a QH in order to treat their condition, were included in this study. Gingival crevicular fluid (GCF) was collected at four different times: before cementation (T0), after two weeks (T1), after four weeks (T2) and after one year (T3) from application of QH. In each patient maxillary first molars, right (UM-right) and left (UM-left), which were connected with bands to QH, were used for testing; first lower molars were used as Controls (LM-right, LM-left). Data show that ALP level in tension sites was proportional to the average increase of the inter-molar distance; on the contrary, the enzymatic level in compression sites was characterized by an inverse trend. The only exception to this phenomenon was recorded after one year (T3), when the increase of ALP level in both sites of tension and compression was ascribed to a mild inflammation due to bacterial plaque accumulation. The level of ALP in control sites was constant for the whole period of observation. The described ALP fluctuations in accordance with the inter-molar distance increment, shows that the main action of QH on bone remodelling was exerted during the fourth week (T2); for this reason, the monitoring of this enzyme could be used as a marker of effective function of the QH appliance.
journal_name
J Biol Regul Homeost Agentsjournal_title
Journal of biological regulators and homeostatic agentsauthors
Delli Mauri A,Petrini M,Vitale D,Tecco S,Festa F,Barbato E,Spoto Gsubject
Has Abstractpub_date
2015-10-01 00:00:00pages
1017-23issue
4eissn
0393-974Xissn
1724-6083pii
37journal_volume
29pub_type
信件abstract：:It is uncertain whether interferon levels in the interstitial fluid of tumors are equivalent to interferon plasma levels and we have investigated this problem in human pulmonary tumors by infusing human recombinant interferon alpha A and natural interferon Beta for about three hours before surgery. By determining the ...
journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
更新日期：1990-10-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
更新日期：2016-07-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
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journal_title：Journal of biological regulators and homeostatic agents
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journal_title：Journal of biological regulators and homeostatic agents
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更新日期：1988-01-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
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journal_title：Journal of biological regulators and homeostatic agents
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journal_title：Journal of biological regulators and homeostatic agents
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章,评审
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journal_title：Journal of biological regulators and homeostatic agents
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更新日期：2017-04-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：10.23812/20-108-A-20
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
更新日期：2017-10-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 信件,评审
doi：
更新日期：2016-10-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
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更新日期：2020-07-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章,评审
doi：
更新日期：2005-01-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：10.23812/19-257A
更新日期：2019-09-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 社论,评审
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更新日期：2009-07-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
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更新日期：2014-01-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 临床试验
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更新日期：2020-07-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
更新日期：2018-09-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
更新日期：2012-01-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
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更新日期：2005-07-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
更新日期：2019-11-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
更新日期：2015-01-01 00:00:00
abstract：:This study was carried out by varying both graphene oxide (GO) concentration (10 μg/mL, 50 μg/mL, 100 μg/mL) and flakes sizes of 1320 nm and 130 nm. Characterization by scanning electron microscopy and Raman spectroscopy demonstrate that the area of GO flakes varies of one order of magnitude but their c...
journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
更新日期：2014-04-01 00:00:00
abstract：:The primary objective of antiretroviral therapy is to suppress viral replication as soon as possible, as much as possible and for as long as possible, a concept so clearly emphasized by David Ho in 1995: "Treat HIV early and hard!". That, however, seems an ideal objective by a number of reasons, recently recognized as...
journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章,评审
doi：
更新日期：1999-07-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 杂志文章
doi：
更新日期：2008-01-01 00:00:00
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journal_title：Journal of biological regulators and homeostatic agents
pub_type： 信件
doi：
更新日期：2018-05-01 00:00:00
