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1.
Chinese Journal of Medical Genetics ; (6): 1081-1086, 2021.
Artigo em Chinês | WPRIM | ID: wpr-922002

RESUMO

OBJECTIVE@#To explore the genetic pathogenesis of X-linked agammaglobulinemia in two patients for clinical diagnosis and family counseling.@*METHODS@#Data was collected from the patients' family including clinical information, blood immunoglobulin level, as well as classification and subgrouping of B lymphocytes. Gene mutations were screened by whole exome sequencing (WES) through next-generation sequencing (NGS), the result was verified with Sanger sequencing.@*RESULTS@#A BTK c.1627T>C (p.Ser543Pro) variant was found in the pedigree. The phenotype and variant have co-segregated in the pedigree. The variant was not found in population database. The variant has affected in the kinase domain which contained no benign variants and is harmful as predicted through bioinformatic analysis.@*CONCLUSION@#BTK c.1627T>C (p.Ser543Pro) is a pathogenic variant contributing to X-linked agammaglobulinemia in this pedigree. Above finding has provided reproduction guidance for this family.


Assuntos
Humanos , Tirosina Quinase da Agamaglobulinemia/genética , Agamaglobulinemia/genética , Análise Mutacional de DNA , Doenças Genéticas Ligadas ao Cromossomo X , Mutação , Linhagem
2.
Journal of Huazhong University of Science and Technology (Medical Sciences) ; (6): 473-5, 2004.
Artigo em Inglês | WPRIM | ID: wpr-634177

RESUMO

The activity of the NK cells in patients with preeclampsia was studied to investigate the pathogenesis of preeclampsia. By using MTT and 51Cr releasing technique, the proliferation and killing ability of the NK cells in maternal and umbilical blood from preeclampsia patients (n = 18) and normal third trimester pregnant women (n = 18) were detected. The NK-92 cell line was as the positive control. The results showed that the NK cell counts of umbilical blood in preeclampsia patients and normal third trimester pregnant women were significantly greater than those of maternal blood (both P<0.05). Compared with that in normal third trimester pregnant women, the proliferative ability of the NK cells in preeclampsia patients was apparently increased (P<0.05). Compared with that in maternal blood, the proliferative ability of the NK cells in umbilical blood from both preeclampsia patients and normal third trimester pregnant women was dramatically increased. The killing ability of the NK cells in preeclampsia patients was significantly higher than that in normal third trimester pregnant women (P <0.05). It was suggested that both number and function of the NK cells in preeclampsia women were increased, and that in umbilical blood was greater than that in maternal blood, speculating that the function of the NK cells may affect the maintenance of the maternal and fetal immune tolerance during pregnancy.


Assuntos
Citotoxicidade Imunológica/imunologia , Sangue Fetal/citologia , Tolerância Imunológica , Células Matadoras Naturais/imunologia , Células Matadoras Naturais/patologia , Pré-Eclâmpsia/sangue , Pré-Eclâmpsia/imunologia , Terceiro Trimestre da Gravidez
3.
Journal of Huazhong University of Science and Technology (Medical Sciences) ; (6): 473-475, 2004.
Artigo em Inglês | WPRIM | ID: wpr-337006

RESUMO

The activity of the NK cells in patients with preeclampsia was studied to investigate the pathogenesis of preeclampsia. By using MTT and 51Cr releasing technique, the proliferation and killing ability of the NK cells in maternal and umbilical blood from preeclampsia patients (n = 18) and normal third trimester pregnant women (n = 18) were detected. The NK-92 cell line was as the positive control. The results showed that the NK cell counts of umbilical blood in preeclampsia patients and normal third trimester pregnant women were significantly greater than those of maternal blood (both P<0.05). Compared with that in normal third trimester pregnant women, the proliferative ability of the NK cells in preeclampsia patients was apparently increased (P<0.05). Compared with that in maternal blood, the proliferative ability of the NK cells in umbilical blood from both preeclampsia patients and normal third trimester pregnant women was dramatically increased. The killing ability of the NK cells in preeclampsia patients was significantly higher than that in normal third trimester pregnant women (P <0.05). It was suggested that both number and function of the NK cells in preeclampsia women were increased, and that in umbilical blood was greater than that in maternal blood, speculating that the function of the NK cells may affect the maintenance of the maternal and fetal immune tolerance during pregnancy.


Assuntos
Adulto , Feminino , Humanos , Gravidez , Citotoxicidade Imunológica , Alergia e Imunologia , Sangue Fetal , Biologia Celular , Tolerância Imunológica , Células Matadoras Naturais , Alergia e Imunologia , Patologia , Pré-Eclâmpsia , Sangue , Alergia e Imunologia , Terceiro Trimestre da Gravidez
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