7 research outputs found
Parents talking everyday science with young children
This report is the evaluation of an early years project which was developed by members of the Cass Early Childhood Studies Research Group with funding from the 2015 UEL Civic Engagement Fund. The project aimed to encourage parents‟ confidence in their own ability to support emergent scientific thinking among their young children. The project was modelled on an early years initiative undertaken a few years ago in rural Bangladesh. The original Bangladeshi project was pioneered by Dr Sue Dale Tunnicliffe, Reader in Science Education at University College London‟s Institute of Education, and chair of CASTME, the Commonwealth Association of Science, Technology and Mathematics Educator
Identification of Novel Therapeutic Targets in Microdissected Clear Cell Ovarian Cancers
Clear cell ovarian cancer is an epithelial ovarian cancer histotype that is less responsive to chemotherapy and carries poorer prognosis than serous and endometrioid histotypes. Despite this, patients with these tumors are treated in a similar fashion as all other ovarian cancers. Previous genomic analysis has suggested that clear cell cancers represent a unique tumor subtype. Here we generated the first whole genomic expression profiling using epithelial component of clear cell ovarian cancers and normal ovarian surface specimens isolated by laser capture microdissection. All the arrays were analyzed using BRB ArrayTools and PathwayStudio software to identify the signaling pathways. Identified pathways validated using serous, clear cell cancer cell lines and RNAi technology. In vivo validations carried out using an orthotopic mouse model and liposomal encapsulated siRNA. Patient-derived clear cell and serous ovarian tumors were grafted under the renal capsule of NOD-SCID mice to evaluate the therapeutic potential of the identified pathway. We identified major activated pathways in clear cells involving in hypoxic cell growth, angiogenesis, and glucose metabolism not seen in other histotypes. Knockdown of key genes in these pathways sensitized clear cell ovarian cancer cell lines to hypoxia/glucose deprivation. In vivo experiments using patient derived tumors demonstrate that clear cell tumors are exquisitely sensitive to antiangiogenesis therapy (i.e. sunitinib) compared with serous tumors. We generated a histotype specific, gene signature associated with clear cell ovarian cancer which identifies important activated pathways critical for their clinicopathologic characteristics. These results provide a rational basis for a radically different treatment for ovarian clear cell patients