Publications by authors named "Sebastian Giraldo-Ocampo"

Article Synopsis
  • - The 2q31 deletion is linked to a specific set of features including developmental delays, short stature, distinct facial traits (like microcephaly and ear deformities), and limb defects, identified in 38 patients so far.
  • - An 8-year-old girl with symptoms resembling velocardiofacial syndrome was diagnosed with a 2q31 microdeletion, confirmed through genetic testing that showed a non-continuous deletion between certain cytobands, along with treatment for her speech and swallowing difficulties.
  • - This case is the first recorded instance of a complex deletion in the 2q31 regions, enhancing knowledge about the conditions linked to these genetic changes, and highlights the importance of advanced diagnostic methods to distinguish it
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Article Synopsis
  • * Researchers collected blood samples from 107 donors at a higher education institution and conducted genetic sequencing to identify specific polymorphisms in the mentioned genes.
  • * The results showed that the VKORC1*2 allele was the most common, found in 74.8% of participants, while CYP2C9*11 was the rarest, with only one carrier, aligning with similar frequencies reported in Latin Americans of European and Native American descent.
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Craniofrontonasal Syndrome is a very rare dominant X-linked genetic disorder characterized by symptoms such as hypertelorism, craniosynostosis, eye alterations, bifid nose tip, and longitudinal ridging and splitting of nails. Heterozygous females are usually the patients severely affected. To date, clinical or genetic data have not been published for these patients in Colombia.

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Osteogenesis imperfecta (OI) is a group of genetic skeletal disorders, with a prevalence of 1 in 15,000-20,000 births. OI type V has been described in approximately 150 cases and all patients carry the variant (c.-14C> T) in the gene.

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Mowat-Wilson syndrome is a rare, autosomal dominant neurodevelopmental disorder characterized by distinctive facial gestalt and intellectual disability that is often associated with microcephaly, seizures and multiple congenital anomalies, mainly heart defects. More than 350 patients and 180 genetic variants in the gene, have been reported with an estimated frequency of 1 per 70,000 births. Here we report a Colombian female patient with facial gestalt, intellectual disability, microcephaly, congenital heart defects, hypothyroidism and middle ear defect associated with the nonsense pathogenic variant c.

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Neurofibromatosis type 1 is one of the most common genetic autosomal dominant disorders described, with a prevalence of 1 in 2000 to 1 in 3000 individuals. It is characterized by skin, nerves, and bone abnormalities. Non-related to NF1, hypospadias is a displacement in the urethral opening which in the majority of patients has an idiopathic cause.

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Background: 2q37 deletion syndrome is a rare autosomal dominant disorder caused by deletions in the 2q37 cytobands leading to developmental delay, intellectual disability, behavioral abnormalities and dysmorphic craniofacial features with more than 115 patients described worldwide.

Case Presentation: We describe a Colombian 3-year-old patient with verbal communication delay, umbilical hernia, facial dysmorphic features, hypotonia, and macrocephaly with normal magnetic resonance imaging. Microarray-based comparative genomic hybridization revealed a 5.

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Aim: To evaluate and describe lymphocyte populations' and B cell subsets' frequencies in patients presenting with Predominantly antibody deficiencies (PAD) and diagnosed with bronchiectasis or recurrent pneumonia seen in Cali (Colombian Southwest region).

Materials And Methods: 16 subjects with PAD, 20 subjects with pulmonary complications (bronchiectasis or recurrent pneumonia) and 20 healthy donors (HD). Controls and probands between 14 and 64 years old, regardless of gender were included.

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White-Sutton syndrome is a rare type of autosomal dominant neurodevelopmental disorder caused by mutations, mostly , in the gene. No more than 120 patients have been described so far in the literature. Common clinical manifestations include intellectual disability, developmental delay, autism spectrum disorder, other behavioral abnormalities, sleeping problems, hyperactivity and visual problems.

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Introduction: The Epstein-Barr virus (EBV) is an ubiquitous and oncogenic virus associated with the development of diseases such as infectious mononucleosis, Burkitt’s lymphoma, nasopharyngeal carcinoma, and other neoplasms. Currently, two types are recognized: EBV-1 and EBV-2, which have genetic differences with their EBNA nuclear antigens. Likewise, due to the high degree of heterogeneity and variability found in the LMP1 protein of the virus, variants associated with pathogenesis or specific geographic regions have been described.

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