Publications by authors named "Hongfang Mei"

Article Synopsis
  • The study aimed to analyze the causes and outcomes of prolonged jaundice in newborns, specifically looking at those with jaundice lasting more than 14 days for term infants and 21 days for preterm infants.
  • Out of 939 infants observed, 84.1% had identifiable causes for their jaundice, with genetic disorders being the most common cause in cases of prolonged conjugated hyperbilirubinaemia (PCHB).
  • The findings suggest that genetic testing should be prioritized for infants with persistent jaundice, as it can alter clinical diagnoses and improve the management and outcomes of these patients.
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Introduction: Data on the genetic landscape of congenital microcephaly (CM) in China are scarce, and the incidence of CM caused by the most commonly mutated gene ASPM in China remains unknown.

Methods: Sixty-one neonates with CM who were hospitalized in the Children's Hospital of Fudan University between August 1, 2016, and August 31, 2020, were enrolled, and the clinical data and clinical exome-sequencing data were analyzed. An additional 18,103 parental data entries from the Chinese Children's Genetic Testing Clinical Collaboration System database were collected to estimate the incidence of ASPM-related congenital microcephaly (ASPM-CM) in East China by analyzing the carrier frequency of ASPM mutations.

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Objective: To investigate the clinical and genetic causes of neonatal unconjugated hyperbilirubinemia.

Study Design: We included 1412 neonates diagnosed with unconjugated hyperbilirubinemia (total serum bilirubin >95 percentile for age), from the China Neonatal Genomes Project between August 2016 and September 2019, in the current study. Clinical data and targeted panel sequencing data on 2742 genes including known unconjugated hyperbilirubinemia genes were analyzed.

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Objective: To explore the genetic spectrum of cerebral palsy (CP) in a Chinese pediatric cohort.

Study Design: This was a retrospective observational study of patients with CP from the Children's Hospital of Fudan University between June 2015 and December 2019. Their clinical data and exome sequencing data were collected and analyzed.

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Article Synopsis
  • Infantile hydrocephalus (IHC) is linked to various central nervous system diseases, and its genetic causes are not yet fully understood; this study focused on identifying genetic factors in IHC patients.
  • The research analyzed data from 110 IHC patients who underwent exome sequencing, finding that about 15% had pathogenic variants in 13 different genes primarily associated with metabolic and brain disorders.
  • The findings suggest that genetic testing is crucial for IHC patients with unclear causes, and specific genes affecting signaling pathways should be prioritized in future IHC research.
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Obstructive sleep apnea hypopnea syndrome (OSAHS) is associated with the neurocognitive deficits as a result of the neuronal cell injury. Previous studies have shown that adenosine A1 receptor (ADORA1) played an important role against hypoxia exposure, such as controlling the metabolic recovery in rat hippocampal slices and increasing the resistance in the combined effects of hypoxia and hypercapnia. However, little is known about whether ADORA1 takes part in the course of neuronal cell injury after intermittent hypoxia exposure which was the main pathological characteristic of OSAHS.

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Objective: To determine the clinical value of portable sleep testing by Watch-PAT (PAT) in children with obstructive sleep apnea syndrome (OSAS).

Method: Fifty cases of snoring children aged 3-11 years were randomly selected to undergo the polysomnography (PSG) and PAT simultaneously at the same night. The consistency of sleep parameters in OSAS and non - OSAS children were compared with PSG as reference standard, and ROC curve analysis was performed to assess the sensitivity and specificity in the diagnosis of OSAS with PAT portable sleep monitor.

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Obstructive sleep apnea hypopnea syndrome (OSAHS) in children is associated with multiple system morbidities. Cognitive dysfunction as a result of central nervous system complication has been reported in children with OSAHS. However, the underlying mechanisms are poorly understood.

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