Searchable abstracts of presentations at key conferences in endocrinology

ea0065p274 | Neuroendocrinology | SFEBES2019

Heat shock protein profiling of Non-functioning pituitary adenomas

Rai Ashutosh , Dutta Pinaki , Radotra Bishan D , Chhabra Rajesh

Purpose: To identify predictive biomarkers of recurrence in NFPTs, we used heat shock protein profiling approach to correlate protein expression profiles with tumor recurrence. Heat shock proteins (HSPs) are synthesized by cells in response to various stress conditions, including carcinogenesis. The expression of HSPs in tumors has been implicated in the regulation of apoptosis. In the current study, we attempted to clarify the significance of HSPs in NFPTs and their correlati...

ea0077oc1.2 | Reproductive and Neuroendocrinology | SFEBES2021

Hyper-phosphorylation of β-catenin at Serine552 correlates with invasion and predicts recurrence of Non-Functioning Pituitary Tumours (NFPTs)

Rai Ashutosh , Yelamanchi Soujanya D. , Radotra Bishan D , Gupta Sunil K , Chhabra Rajesh , Pandey Akhilesh , Korbonits Marta , Gaston-Massuet Carles , Dutta Pinaki

Background: No predictive biomarkers for NFPT recurrence have been identified, apart from Ki67. We employed high-throughput mass spectrometry-based analyses to examine the phosphorylation pattern of different subsets of NFPTs. Methods: Based on histopathological, radiological and surgical features, NFPTs were sub-grouped into three groups: non-invasive (n = 15), invasive (n = 10) and recurrent (n = 5) subtypes. Invasiveness was...

ea0086op3.2 | Reproductive and Neuroendocrinology | SFEBES2022

Identification of differentially activated pathways in recurrent non-functioning pituitary tumours using quantitative proteomics and bioinformatics analysis

Rai Ashutosh , Yelamanchi Soujanya D , Barry Sayka , Radotra Bishan D , Gupta Sunil K , Chhabra Rajesh , Pandey Akhilesh , Korbonits Marta , Dutta Pinaki

Background: No predictive biomarkers have been identified for clinically nonfunctioning pituitary tumour (NFPT) recurrence, with Ki67 being controversial. We employed quantitative mass spectrometry-based analyses to examine the differential expression of proteins in NFPTs.Methods: NFPTs were sub-grouped: non-invasive/non-recurrent group (NI/NR-G, n=5), invasive group (I-G, n=10) and recurrent group (R-G, n=5). Invasiveness was ...

ea0094oc3.1 | Neuroendocrinology and Pituitary | SFEBES2023

CDC42: a potential therapeutic target of clinically non-functioning pituitary neuroendocrine tumours

Rai Ashutosh , Begalli Federica , Barry Sayka , Rice Thomas , Magid Kesson , Suleyman Oniz , Dorward Neil , Grieve Joan , Kolias Angelos , Khan Danyal , J Marcus Hani J. , Radotra Bishan D. , Chhabra Rajesh , Dhandapani S S. , Tripathi Manjul , Ahuja Chirag K. , Dutta Pinaki , Korbonits Marta

Background: There is no effective medical treatment available for non-functioning pituitary neuroendocrine tumours (NF-PitNETs). Recurrence (7-12%) or incomplete resection (30-45%) is a common feature. Thus, finding novel medical therapies to help the management of these tumours would be of great value. By using high-throughput mass spectrometry combined with functional characterisation, we explored novel therapeutic targets for NF-PitNETs.<p class="abstex...