ESPE Abstracts

Background: Congenital generalized lipodystrophy (CGL) is characterized by the absence of most adipose tissue at birth due to an adipocyte differentiation block. For several forms of CGL, the underlying mutation and pathophysiological pathway has been identified. However, for many cases the genetic cause is still unknown.Objective and hypotheses: We report a patient with CGL who showed a complete absence of fat apart from protective fat pads in a postnat...

Introduction: Metabolic control (MC) of patients with type 1 diabetes (DM1) is linked with complications in short and long term follow up. Adolescence is a critical period in the treatment of DM1, making it difficult to achieve good MC. Few studies, all conducted in the United States, have shown an association between mother´s depressive symptoms with poorer MC of their adolescent.Objective: To evaluate the associat...

Introduction: The PLIN1 gene encodes perilipin - a lipid droplet coat protein expressed in adipocytes where it inhibits basal and facilitates stimulated lipolysis. Mutations in PLIN1 have been described in several families with partial lipodystrophy, dyslipidemia and insulin resistance (partial lipodystrophy type 4, Familial, FPLD4). Herein we describe a novel heterozygous c.1210-1delG splicing variant in PLIN1 gene in three unrelate...

Background: The incidence of paediatric papillary thyroid cancer (PTC) is increasing.Objective and hypotheses: To describe the clinical and histopathologic features at diagnosis, and follow-up of paediatric patients with PTC at Children’s Hospital of Mexico in a 10 years period.Method: Comparative longitudinal study. We included 22 paediatric patients with histopathologic diagnosis of PTC between 2004–2014, divided into r...

Background: Obese children are often taller than non-obese ones before puberty. Reports on the GH/IGF system in obese children are not consistent and do not explain the increased height observed. Changes in IGF1 bioavailability/bioactivity have been claimed as a possible explanation, however, no data is available regarding the expression of the IGF type 1 receptor (IGF1R) gene.Objective and hypotheses: To study the expression of IGF1R gene in obese child...

Background: Heterozygous GHR gene variants were found in 5–8% of idiopathic short stature (ISS) children. Frequent polymorphisms within GHR coding regions, but not intronic SNPs, have been investigated in ISS.Objectives: To characterize GHR gene variants in ISS children, and to test their influence on height and the peripheral GH/IGF1/IGFBPs system.Methods: GHR gene (coding/intronic flanking...

Background: Haematopoietic stem cell transplantation (HSCT) is a risk factor for young adult onset diabetes mellitus (DM) and hyperlipidaemia (HL) as late effects, especially the use of total-body irradiation (TBI). In order to investigate the clinical details, we retrospectively analysed the post-HSCT patients in our institution that required treatment for DM and/or HL.Results: From 1983 to 2012, 24 children received HSCT in our hospital because of haem...

Background: As a curative therapy, haematopoietic stem cells transplantation (HSCT) has been also used for patients with non-neoplastic diseases such as aplastic anemia, primary immunodeficiency, and some congenital metabolic diseases. For these diseases, the intensity of the conditioning has been reduced comparing to that of malignancy diseases. Therefore, late effects of HSCT for non-neoplastic diseases has been expected to be milder than that for neoplastic diseases, howeve...

Background: Pituitary function in children with optic chiasm glioma may be impaired.Objective and hypotheses: We aim to describe the frequency of endocrine abnormalities at diagnosis of the tumor and over the follow-up period in a group of children with chiasmatic glioma and its relation with different variables.Method: Retrospective study using the records of patients under 14 years old followed for optic chiasm glioma. Sex, age a...

The work was initiated to study role of CTLA4 gene in the onset of familial diabetes mellitus. The samples of peripheral blood taken from children (mean age 12.5 years) of patients with type 1 diabetes mellitus and their blood relatives, such as parents and siblings, and apparently healthy subjects were used in the study. Among the recruits, there were 56.5% of boys and 43.5% of girls. The findings from the genotyping of CTLA4 gene 49A/G polymorphism demonstrated no si...