Itzel Bustos Villalobos

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Aplastic anemia (AA) is characterized by a reduced number of hematopoietic stem cells and fatty replacement in the bone marrow. Transcriptional factor GATA-2 plays several important roles in both hematopoiesis and adipogenesis. Decreased levels of GATA-2 compromise the proliferation and survival of hematopoietic stem cells. GATA-2 suppresses adipocyte(More)
Midkine (MK) is a heparin-binding growth factor that is overexpressed in a number of solid cancers. However, expression in acute leukemia has not been clarified. We examined MK gene expression using real-time PCR in 94 children with acute leukemia. In 30 of the 41 patients with B-precursor ALL, MK gene expression was overexpressed than normal BM. MK gene(More)
IMPORTANCE Immunobullous diseases mediated by IgA are often difficult to manage, but to date no mechanism has been proposed. Rituximab is an anti-CD20 monoclonal antibody that has demonstrated good efficacy in the treatment of refractory mucous membrane pemphigoid. However, not all cases of mucous membrane pemphigoid respond to rituximab. Herein we present(More)
We investigated human leukocyte antigen (HLA) expression on leukemic cells derived from patients at diagnosis and relapse after hematopoietic stem cell transplantation (HSCT) using flow cytometry with locus-specific antibodies. Two of 3 patients who relapsed after HLA-haploidentical HSCT demonstrated loss of HLA alleles in leukemic cells at relapse; on the(More)
The aim of this study was to investigate changes in CD4+CD25+FOXP3+ regulatory T cells (Tregs) throughout the clinical course of Kawasaki disease (KD) and correlations with response to intravenous immunoglobulin (IVIg) therapy. Participants comprised 18 patients who fulfilled the diagnostic criteria for KD and 20 healthy subjects. Expressions of CD25 and(More)
Recent molecular studies have revealed that the GM-CSF/RAS signaling pathway plays a central role in the pathogenesis of juvenile myelomonocytic leukemia (JMML). CFU-GM colony assay is an important test for GM-CSF hypersensitivity in patients with JMML, but requires specific skills. We established a simple and easy quantification method to test GM-CSF(More)
A 13-year old girl was admitted to the University of California Davis Medical Center for evaluation and treatment of cutaneous bullae and ulcerations over her lower extremities that were refractory to antibiotic therapy and incision and drainage. Her disease continued to worsen with the appearance of multiple new bullae and the progression of old ones into(More)
Early detection of Autism Spectrum Disorder (ASD) has proven to be of high significance, however there is a limited availability of ASD screening tools in Serbian language. In this study we aim to translate, assess reliability and, in part, test the applicability of Modified Checklist for Autism in Toddlers, Revised, with Follow-Up (M-CHAT R/F) in Serbian(More)
We describe a 4-month-old infant girl with congenital erythroid and myeloid hypoplasia who developed myelodysplastic syndrome. Bone marrow examination showed severe erythroid and myeloid hypoplasia without dysplastic morphology. Flow cytometry detected autoantibodies to myeloid cells, indicating a diagnosis of Diamond-Blackfan anemia with autoimmune(More)
It is widely accepted that central and effector memory CD4+ T cells originate from naïve T cells after they have encountered their cognate antigen in the setting of appropriate co-stimulation. However, if this were true the diversity of T cell receptor (TCR) sequences within the naïve T cell compartment should be far greater than that of the memory T cell(More)
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