نتایج جستجو برای: combined immunodeficiency
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Severe combined immunodeficiency (SCID) is an inherited disease with profoundly defective T cells, B cells, and NK cells. X-linked severe combined immunodeficiency (X-SCID) is its most common form. In this report, we describe a 4-month old male with X-SCID who also showed opisthotonic posturing. Opisthotonus represents abnormal motor posturing and is defined as the posturing, in which the neck ...
Severe combined immunodeficiency (SCID), a primary immunodeficiency arising from variable defects in lymphocyte development and survival, is characterized by significant deficiency of thymus derived (T-) lymphocytes and variable defects in the B-lymphocyte population. Newborn screening for SCID is based on detection of low numbers of T-cell receptor excision circles (TRECs) by real time quantit...
BACKGROUND Treatment of rare severe side effects of vaccinia virus (VACV) immunization in humans is currently very challenging. VACV possesses two immunologically distinct virion forms in vivo - intracellular mature virion (MV, IMV) and extracellular virion (EV, EEV). METHODS Antibody-mediated therapeutic efficacy was determined against VACV infection in a small animal model of progressive va...
Recent work on the Neandertal genome has raised the possibility of admixture between Neandertals and the expanding population of Homo sapiens who left Africa between 80 and 50 Kya (thousand years ago) to colonize the rest of the world. Here, we provide evidence of a notable presence (9% overall) of a Neandertal-derived X chromosome segment among all contemporary human populations outside Africa...
a new il-2rg gene mutation in an x-linked scid identified through trec/krec screening: a case report
severe combined immunodeficiency (scid) represents a rare group of primary immunodeficiency disorders (pids), with known or unknown genetic alterations. here, we report a new interleukin 2 receptor, gamma chain (il-2rg) mutation in an iranian scid newborn.the patient was a 6-day old boy with a family history of pid. the child was screened using a molecular-based analysis for the assessment of t...
aDirector of Research, Israelita Albert Einstein Hospital, São Paulo, SP, Brasil. Received on January 11, 2017. © 2017 Sociedade de Pediatria de São Paulo. Published by Zeppelini Publishers. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). EARLY DIAGNOSIS OF SEVERE COMBINED IMMUNODEFICIENCIES Diagnóstico precoce das imunodeficiências combinad...
INTRODUCTION If left untreated, severe combined immunodeficiency can lead to an acute susceptibility to infection. The intrauterine environment is sterile until the amniotic membranes rupture. The vaginal flora then ascends into the genital tract, thus increasing the risk of chorioamnionitis. An extremely premature and prolonged membrane rupture is associated with a dismal prognosis for an immu...
B cell-negative severe combined immunodeficiency (SCID) is caused by molecules involved in the variable (diversity) joining (V[D]J) recombination process. Four genes involved in the nonhomologous end joining pathway--Artemis, DNA-PKcs, DNA ligase 4, and Cernunnos--are involved in B cell-negative radiosensitive SCID. Deficiencies in DNA ligase 4 and the recently described Cernunnos gene result i...
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