Abstract Library

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#3664 Cannabis and endocannabinoid system modulation as novel strategies to improve conventional treatment outcomes and overcome drug resistance in neuroendocrine neoplasms in-vitro & in-vivo models

Introduction: NENs are treated with systemic therapies with limited non-curable efficacy due to development of drug resistance (DR). While cannabis and its extracts (cannabinoids, CE) are mostly used for their palliation properties, increasing evidence suggests an anticancer trait via several cellular pathways. Limited data exist on cannabis and the endocannabinoid system (ECS) in NENs and their impact on the development of DR.

Conference:

Presenting Author: Avniel-Polak S

Authors: Avniel- Polak S, Polak D, Drier Y, Grozinsky-Glasberg S,

Keywords: neuroendocrine neoplasm, cannabinoids, cannabis extracts, endocannabinoid system, endocannabinoid receptors, everolimus,

#1036 Abrogation of Autophagy by Chloroquine in Neuroendocrine Tumor Cells Treated with mTOR Inhibitors Induces Apoptosis, While Reduction of Cell Proliferation is Due to a Chloroquine, Autophagy Unrelated, Lysosomal Effect

Introduction: The therapy options for patients with advanced NETs are limited. The mTOR inhibitors (mTORi), Torin1 and NVP-BEZ235, are known to suppress cell proliferation in NETs. However, cancer cells may use mTORi-induced autophagy to prolong survival, evading the anti-cancer effect. Chloroquine (CQ) and hydroxychloroquine (HCQ) have been shown to inhibit autophagy.

Conference: 12th Annual ENETSConcerence (2015)

Presenting Author: Avniel- Polak S

Authors: Avniel-Polak S, Leibowitz G, Glaser B, Gross D, Grozinsky-Glasberg S,

Keywords: NETs, autophagy, mTORi ,