Abstract library

3 results for "hif-1a".
#466 HIF-1a Determines the Metastatic Potential of the GEP-NET Cell Line BON-1
Introduction: Intratumoral hypoxia is a hallmark of solid tumor formation and a negative predictor of patient survival. Adaptation to hypoxia is mainly achieved by the transcription factor HIF-1a, which is upregulated in a diverse range of human and experimental tumors and their metastases. HIF-1a target genes have been implicated in the induction of invasion and metastasis. However, HIF-1a’s tumor-supporting action depends on cell type and microenvironment and the precise role of HIF-1a for the pathogenesis of neuroendocrine tumors (NET) is largely unknown.
Conference: 9th Annual ENETS Conference (2012)
Category: Basic
Presenting Author: Katja Freitag de Molina
#246 SDHB Loss Predicts Malignancy in Pheochromocytomas/Sympathethic Paragangliomas, but Not Through Hypoxia Signalling
Introduction: To date there is no reliable histopathological marker of malignancy for pheochromocytomas/sympathetic paragangliomas (PCC/PGL). It is well-known that PCC/PGL in the hereditary context of an SDHB germline mutation very often metastasize. The immunohistochemical loss of SDHB expression was recently shown to be a surrogate marker for the presence of an SDH germline mutation in PCC/PGL. SDHB loss is supposed to be tumorigenic via activation of hypoxia signals.
Conference: 8th Annual ENETS Conference (2011)
Category: Basic
Presenting Author: Dr Anja M Schmitt
#581 Loss of Succinate Dehydrogenase (SDHB) Expression in Midgut Carcinoids as Prognostic Factor: a New Marker of Personalized Cancer Medicine in Neuroendocrine Tumors?
Introduction: Gene mutations of SDH complex have been involved in the pathogenesis of cancer cells. These mutations are often associated with loss of activity of SDH subunity B and overexpression of HIF-1a, which play a central role in angiogenesis.
Conference:
Category: Basic
Presenting Author: Dr. Massimo Milione
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