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- Swine Models
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- Genetics
Profiling Development of Abdominal Organs in the Pig
Gabriel et al., Scientific Reports. 2022.
https://www.doi.org/10.1038/s41598-022-19960-5
The pig is a model system for studying human development and disease due to its similarities to human anatomy, physiology, size, and genome. Moreover, advances in CRISPR gene editing have made genetically engineered pigs a viable model for the study of human pathologies and congenital anomalies. However, a detailed atlas illustrating pig development is necessary for identifying and modeling developmental defects. Here, the authors describe normal development of the pig abdominal system (i.e., kidney, liver, pancreas, spleen, adrenal glands, bowel, gonads) and compare them with congenital defects that can arise in gene-edited SAP130 mutant pigs. This atlas and the methods described here can be used as tools for identifying developmental pathologies of the abdominal organs in the pig at different stages of development. Supported by ORIP (U42OD011140), NHLBI, NIAID, NIBIB, NICHD, and NINDS.
Interneuron Origins in the Embryonic Porcine Medial Ganglionic Eminence
Casalia et al., Journal of Neuroscience. 2021.
https://pubmed.ncbi.nlm.nih.gov/33637558/
The authors report that transcription factor expression patterns in porcine embryonic subpallium are similar to rodents. Their findings reveal that porcine embryonic MGE progenitors could serve as a valuable source for interneuron-based xenotransplantation therapies. They demonstrate that porcine medial ganglionic eminence exhibits a distinct transcriptional and interneuron-specific antibody profile, in vitro migratory capacity, and are amenable to xenotransplantation. This is the first comprehensive examination of embryonic interneuron origins in the pig; because a rich neurodevelopmental literature on embryonic mouse medial ganglionic eminence exists (with some additional characterizations in monkeys and humans), their work allows direct neurodevelopmental comparisons with this literature. Supported by ORIP (U42OD011140) and NINDS.