ISSN 1662-4009 (online)

ey0019.1-4 | Basic Science and Stem Cells | ESPEYB19

1.4. Pituitary stem cells produce paracrine WNT signals to control the expansion of their descendant progenitor cells

P Russell John , Lim Xinhong , Santambrogio Alice , Yianni Val , Kemkem Yasmine , Wang Bruce , Fish Matthew , Haston Scott , Grabek Anae¨lle , Hallang Shirleen , J Lodge Emily , L Patist Amanda , Schedl Andreas , Mollard Patrice , Nusse Roel , Andoniadou Cynthia L

Elife. 2021 Jan. 10:e59142. doi: https://doi.org/10.7554/eLife.59142.Brief Summary: The authors studied genetic mice models to show that pituitary stem cells can secrete WNT ligands to their committed progeny and promote their expansion.The anterior pituitary contains a population of Sox2 expressing stem cells (Sox2+ PSCs), which self-renew and give rise to lineage...

ey0017.1-3 | Update on the Genetics of Hypopituitarism | ESPEYB17

1.3. Mutations in LAMB2 are associated with albuminuria and optic nerve hypoplasia with hypopituitarism

Tahoun Mona , Chandler Jennifer C , Ashton Emma , Haston Scott , Hannan Athia , Kim Ji Soo , D’Arco Felipe , Bockenhauer D , Anderson G , Lin Meei-Hua , Marzouk Salah , Saied Marwa H , Miner Jeffrey H , Dattani Mehul T , Waters Aoife M

To read the full abstract: J Clin Endocrinol Metab. 2020 Mar 1;105(3). pii: dgz216. doi: 10.1210/clinem/dgz216. PMID: 31769495.Septo-optic dysplasia (SOD) involves a combination of midline brain defects, pituitary hormone deficiency, and optical nerve hypoplasia. The etiology of SOD is multifaceted; genetic factors are known to play a role, yet the vast majority of SOD patients remain withou...