Publications by authors named "Gabriella Shih Ping Hsia"

Article Synopsis
  • Xia-Gibbs syndrome (XGS) is a form of intellectual disability linked to AHDC1 gene variants, but its exact biological mechanisms are not well understood.
  • Researchers developed two functional models to study XGS: three induced pluripotent stem cell (iPSC) lines from XGS patients and a genetically modified zebrafish model using CRISPR/Cas9.
  • The iPSC lines were tested for quality and showed potential to differentiate into different cell types, while the zebrafish model confirmed inheritance patterns consistent with Mendelian genetics, providing tools for future research on the syndrome.
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Neural crest cells (NCCs) are a multipotent and transient cell population that gives rise to many important tissues during human embryogenesis. Disturbances that occur during NCCs development may lead to numerous types of diseases and syndromes, which are called neurocristopathies. NCCs in vitro modeling enables the access to cellular, genetic, and biochemical information about the neural crest development and its derivatives.

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Rapid diagnostics is pivotal to curb SARS-CoV-2 transmission, and saliva has emerged as a practical alternative to naso/oropharyngeal (NOP) specimens. We aimed to develop a direct RT-LAMP (reverse transcription loop-mediated isothermal amplification) workflow for viral detection in saliva, and to provide more information regarding its potential in curbing COVID-19 transmission. Clinical and contrived specimens were used to optimize formulations and sample processing protocols.

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Transplantation is essential and crucial for individuals suffering from end-stage organ failure diseases. However, there are still many challenges regarding these procedures, such as high rates of organ rejection, shortage of organ donors, and long waiting lines. Thus, investments and efforts to develop laboratory-grown organs have increased over the past years, and with the recent progress in regenerative medicine, growing organs might be a reality within the next decades.

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Neural crest cells (NCCs) contribute to several tissues during embryonic development. NCC formation depends on activation of tightly regulated molecular programs at the neural plate border (NPB) region, which initiate NCC specification and epithelial-to-mesenchymal transition (EMT). Although several approaches to investigate NCCs have been devised, these early events of NCC formation remain largely unknown in humans, and currently available cellular models have not investigated EMT.

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