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2013 ; 3
(12
): 1364-77
Nephropedia Template TP
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A drug repositioning approach identifies tricyclic antidepressants as inhibitors
of small cell lung cancer and other neuroendocrine tumors
#MMPMID24078773
Jahchan NS
; Dudley JT
; Mazur PK
; Flores N
; Yang D
; Palmerton A
; Zmoos AF
; Vaka D
; Tran KQ
; Zhou M
; Krasinska K
; Riess JW
; Neal JW
; Khatri P
; Park KS
; Butte AJ
; Sage J
Cancer Discov
2013[Dec]; 3
(12
): 1364-77
PMID24078773
show ga
Small cell lung cancer (SCLC) is an aggressive neuroendocrine subtype of lung
cancer with high mortality. We used a systematic drug repositioning
bioinformatics approach querying a large compendium of gene expression profiles
to identify candidate U.S. Food and Drug Administration (FDA)-approved drugs to
treat SCLC. We found that tricyclic antidepressants and related molecules
potently induce apoptosis in both chemonaïve and chemoresistant SCLC cells in
culture, in mouse and human SCLC tumors transplanted into immunocompromised mice,
and in endogenous tumors from a mouse model for human SCLC. The candidate drugs
activate stress pathways and induce cell death in SCLC cells, at least in part by
disrupting autocrine survival signals involving neurotransmitters and their G
protein-coupled receptors. The candidate drugs inhibit the growth of other
neuroendocrine tumors, including pancreatic neuroendocrine tumors and Merkel cell
carcinoma. These experiments identify novel targeted strategies that can be
rapidly evaluated in patients with neuroendocrine tumors through the repurposing
of approved drugs. SIGNIFICANCE: Our work shows the power of bioinformatics-based
drug approaches to rapidly repurpose FDA-approved drugs and identifies a novel
class of molecules to treat patients with SCLC, a cancer for which no effective
novel systemic treatments have been identified in several decades. In addition,
our experiments highlight the importance of novel autocrine mechanisms in
promoting the growth of neuroendocrine tumor cells.
|*Drug Repositioning
[MESH]
|Animals
[MESH]
|Antidepressive Agents, Tricyclic/*pharmacology/therapeutic use
[MESH]
|Antineoplastic Agents/*pharmacology/therapeutic use
[MESH]