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Pancreatic secretory zymogen-granule membrane glycoprotein 2 (GP2) has been identified to be a major autoantigenic target in Crohn’s disease patients. It was discussed recently that a long and a short isoform of GP2 exists whereas the short isoform is often detected by GP2-specific autoantibodies. In the outcome of inflammatory bowel diseases, these GP2-specific autoantibodies are discussed as new serological markers for diagnosis and therapeutic monitoring. To investigate this further, camelid nanobodies were generated by phage display and selected against the short isoform of GP2 in order to isolate specific tools for the discrimination of both isoforms. Nanobodies are single domain antibodies derived from camelid heavy chain only antibodies and characterized by a high stability and solubility. The selected candidates were expressed, purified and validated regarding their binding properties in different enzyme-linked immunosorbent assays formats, immunofluorescence, immunohistochemistry and surface plasmon resonance spectroscopy. Four different nanobodies could be selected whereof three recognize the short isoform of GP2 very specifically and one nanobody showed a high binding capacity for both isoforms. The KD values measured for all nanobodies were between 1.3 nM and 2.3 pM indicating highly specific binders suitable for the application as diagnostic tool in inflammatory bowel disease.
Serological diagnosis and prognosis of severe acute pancreatitis by analysis of serum glycoprotein 2
(2017)
To better understand emerging adults’ perceptions of family interactions and value transmission to the next generation, we examined Hmong American emerging adults’ reflections on their parents’ parenting. Participants discussed what parenting practices they would do differently and others they hoped to emulate with their future adolescent children. Thirty Hmong American emerging adults (18-25 years; M = 21.2 years; 50% female) participated in interviews that focused retrospectively on the parent–adolescent relationship. Results revealed that emerging adults wanted to parent differently in three ways: less pressure about education, fewer restrictions, and more open communication. Emerging adults imagined being a similar
parent in four ways: promoting education, promoting life values, giving
guidance, and offering love and support. The findings highlight parenting practices that Hmong American emerging adults plan on transmitting (and not transmitting) to their own children, offering a glimpse into the type of parents the emerging adults may become.