Abstract：
:Mendelian susceptibility to mycobacterial diseases (MSMD) is a rare inheritance syndrome, characterized by a disseminated infection with mycobacterium in children following BCG vaccination at birth. Regarding the vaccination program in Iran, it may consider as a public health problem. The pathogenesis of MSMD is dependent on either insufficient production of IFN-gamma (γ) or inadequate response to it. Here, we want to introduce three cases including two siblings and one girl from two unrelated families with severe mycobacterial infections referred to Immunology, Asthma and Allergy Research Institute (IAARI), from 2013 to 2015; their MSMD was confirmed by both cytokine assessment and genetic analysis. Regarding the clinical features of the patients, cell proliferation against a mitogen and BCG antigen was ordered in a lymphocyte transformation test (LTT) setting. ELISA was performed for the measurement of IL-12p70 and IFN-γ in whole blood samples activated by BCG + recombinant human IFN-γ and BCG + recombinant human IL-12, respectively. In contrast to mitogen, the antigen-dependent proliferation activity of the patients' leukocytes was significantly lower than that in normal range. We identified a homozygous mutation in IL12RB1 gene for two kindred who had a homozygous mutation affecting an essential splice site. For the third patient, a novel frameshift deletion in IL12RB1 gene was found. The genetic study results confirmed the impaired function of stimulated lymphocytes to release IFN-γ following stimulation with BCG+IL-12 while the response to rhIFN-γ for IL-12p70 production was relatively intact. Our findings show that cellular and molecular assessments are needed for precise identification of immunodeficiency disorders especially those without clear-cut diagnostic criteria.
journal_name
Iran J Public Healthjournal_title
Iranian journal of public healthauthors
Sarrafzadeh SA,Mahloojirad M,Nourizadeh M,Casanova JL,Pourpak Z,Bustamante J,Moin Msubject
Has Abstractpub_date
2016-03-01 00:00:00pages
370-5issue
3eissn
2251-6085issn
2251-6093journal_volume
45pub_type
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journal_title：Iranian journal of public health
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journal_title：Iranian journal of public health
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journal_title：Iranian journal of public health
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journal_title：Iranian journal of public health
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journal_title：Iranian journal of public health
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doi：10.18502/ijph.v49i10.4692
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journal_title：Iranian journal of public health
pub_type： 杂志文章,评审
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更新日期：2019-12-01 00:00:00
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journal_title：Iranian journal of public health
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更新日期：2016-02-01 00:00:00
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journal_title：Iranian journal of public health
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更新日期：2013-12-01 00:00:00
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journal_title：Iranian journal of public health
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journal_title：Iranian journal of public health
pub_type： 杂志文章,评审
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更新日期：2019-04-01 00:00:00
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journal_title：Iranian journal of public health
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doi：10.18502/ijph.v49i8.3897
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journal_title：Iranian journal of public health
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doi：
更新日期：2014-11-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2013-05-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2018-05-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2017-07-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章,评审
doi：
更新日期：2017-02-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2010-01-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2015-06-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2017-08-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2017-10-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章,评审
doi：
更新日期：2016-07-01 00:00:00
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journal_title：Iranian journal of public health
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doi：
更新日期：2012-01-01 00:00:00
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journal_title：Iranian journal of public health
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doi：
更新日期：2015-11-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2016-01-01 00:00:00
abstract：BACKGROUND:Group B streptococcus (GBS) is one of the most important cause of morbidity and mortality among newborns especially in developing countries. It has been shown that the screening approach rather than the identification of maternal clinical risk factors for early-onset neonatal GBS disease is more effective in...
journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2012-01-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2014-02-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2018-08-01 00:00:00
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journal_title：Iranian journal of public health
pub_type： 杂志文章
doi：
更新日期：2013-01-01 00:00:00
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journal_title：Iranian journal of public health
pub_type：
doi：
更新日期：2019-09-01 00:00:00
