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1 MPNST >or=10 cm at diagnosis, partial resection, and met
2 MPNST cells expressing shEYA4 either failed to form tumo
3 MPNST cells of both genotypes require laminin binding to
4 MPNST patients treated from 1986 to 2006 (n = 140) were
5 MPNST(LOSS) were also highly sensitive to DNA methyltran
6 MPNSTs are highly aggressive, therapeutically resistant,
7 MPNSTs are multidrug resistant, and thus long-term patie
8 MPNSTs occurred most often in the extremities (p = 0.006
9 MPNSTs with PRC2 loss showed complete loss of trimethyla
10 (CIS) analysis of 269 neurofibromas and 106 MPNSTs identified 695 and 87 sites with a statistically
13 re retrospectively analyzed, representing 24 MPNSTs (all histologically confirmed) and 69 BNFs (26 hi
14 HG-MLPS: n = 65 [22.6%]; SS: n = 70 [24.4%]; MPNST: n = 27 [9.4%]; and LMS: n = 28 [9.8%]) were rando
20 nt somatic alterations of CDKN2A (81% of all MPNSTs) and NF1 (72% of non-NF1-associated MPNSTs), both
23 o study the clonal development of ANNUBP and MPNST and to identify new therapies to treat existing tu
27 ntly proliferating cells in neurofibroma and MPNST, prolonged survival of mice implanted with human M
29 nalyses of mouse and human neurofibromas and MPNSTs and identified global negative feedback of genes
34 ABP2 was established in human NF1-associated MPNST cell lines (S462, T265, NSF1), and functional effe
36 PNSTs and a majority of human NF1-associated MPNST lesions, suggesting that PTEN dosage and its contr
37 PNST that recapitulates human NF1-associated MPNST to identify a novel small chemical compound that i
40 l MPNSTs) and NF1 (72% of non-NF1-associated MPNSTs), both of which significantly co-occur with PRC2
41 e constitutively activated in NF1-associated MPNSTs, while PTT serves as a minimally invasive method
44 s malignant peripheral nerve sheath tumor (C-MPNST) and spindle cell melanoma (SCM) have not been wel
45 ndings support that the TME composition of C-MPNSTs and SCMs is at least partially independent on pro
48 hRNA or pharmacological inhibition decreases MPNST cell growth in culture and inhibits tumorigenesis
50 the lost PRC2 component in a PRC2-deficient MPNST cell line restored H3K27me3 levels and decreased c
52 specific JAK2/STAT3 inhibitor FLLL32 delayed MPNST formation in an MPNST xenograft nude mouse model.
53 FLLL32 pharmacological inhibitor in delaying MPNST growth suggests that combination therapies targeti
55 (18)F-FDG PET/CT imaging in differentiating MPNSTs from BNFs in patients with NF1, with and without
56 hat reducing Group I Pak activity diminished MPNST cell proliferation and motility, and that these ef
57 rpretation of (18)F-FDG PET/CT discriminates MPNSTs from BNFs in NF1 patients with similar accuracy o
58 159-gene molecular signature distinguishing MPNST cell lines from normal Schwann cells, which was va
60 xically, chronic MAF overexpression enhanced MPNST cell tumor growth in vivo, correlating with elevat
63 dies confirm the utility of mouse models for MPNST driver gene discovery and provide new insights int
64 Thus, an EGFR-STAT3 pathway is necessary for MPNST transformation and establishment of MPNST xenograf
67 rgery is the primary course of treatment for MPNST, but with the limitation that these tumors are hig
68 To better understand the genetic basis for MPNSTs, we performed genome-wide or targeted sequencing
69 rgical resection is the standard of care for MPNSTs, but is often incomplete and can generate loss of
70 The mean SULmax was significantly higher for MPNSTs than BNFs on both early scans (6.5 vs. 2.0, P < 0
72 ing these seemingly disparate techniques for MPNSTs is based on several reports demonstrating the eff
74 e used adenovirus-Cre injections to generate MPNST in Nf1(Flox/Flox); Ink4a/Arf(Flox/Flox) and Nf1(Fl
75 ble chromosomal alterations in P(0)-GGFbeta3 MPNST cells (including universal chromosome 11 gains) an
77 min expression was maintained, P(0)-GGFbeta3 MPNSTs exhibited Ras hyperactivation, as in human NF1-as
79 we report the modulation of murine and human MPNST cell growth by the fatty acids docosahexaenoic aci
80 available in vitro models of MPNST and human MPNST cell lines, while remaining nontoxic to normally d
81 al stem cells, mouse glioma cells, and human MPNST cells through Ser(727) phosphorylation, leading to
82 TMs and protein expression in archival human MPNST illustrates how PRC2 loss promotes oncogenesis but
84 rmalin-fixed, paraffin-embedded (FFPE) human MPNST with and without PRC2 loss (MPNST(LOSS) vs. MPNST(
86 we report that restoration of KANK1 in human MPNST cells inhibits cell growth both in human cell cult
91 lative to rQLuc, rQT3-infected primary human MPNST and neuroblastoma cells exhibited equivalent virus
93 engineered mice (GEM)-PNST similar to human MPNST, and tumors showed reduced p16INK4a protein and re
94 longed survival of mice implanted with human MPNST cells, and shrank neurofibromas in more than 80% o
98 the expression and action of NRG-1 in human MPNSTs and neurofibromas, the benign precursor lesions f
99 may function as a tumor suppressor in human MPNSTs, and thus it may be useful for targeted therapy.
101 RA, which is important because ~78% of human MPNSTs have expression of wild-type PDGFRA, whereas only
102 FRA, which is important because 78% of human MPNSTs have expression of wild-type PDGFRA, whereas only
106 series, should be considered for an improved MPNST staging system useful for prognostic assessment an
107 ion as a novel cell signaling abnormality in MPNST that leads to important biological outcomes with t
108 nts for their ability to induce apoptosis in MPNST cells arising in nf1/tp53-deficient zebrafish.
119 (EGFR) overexpression has been implicated in MPNST formation, but its precise role and relevant signa
122 pression of glial differentiation markers in MPNST cells in vitro, decreased self-renewal of embryoni
124 ted whether the absence of EZH2 mutations in MPNST is due to a PRC2-independent (i.e., noncanonical)
126 ate multiple essential oncogenic pathways in MPNST cells, including the Wnt/beta-catenin, YAP/TAZ, RB
127 AP1 nuclear expression was most prevalent in MPNST, SySa and MLS, whereas nuclear TAZ was predominate
129 sor gene mutations play an important role in MPNST pathogenesis, it is likely that dysregulated signa
133 NRG-1) growth factors promote mitogenesis in MPNSTs, we examined the expression and action of NRG-1 i
136 ossibly interacting SIX and DACH proteins in MPNSTs and suggest the EYA4 pathway as a rational therap
137 CNP, PMP22, and NGFR) was down-regulated in MPNSTs whereas neural crest stem cell markers, SOX9 and
140 tumor cell phenotypes in vitro by increasing MPNST cell death and reducing metabolic activity and anc
142 f these two agents synergistically inhibited MPNST cell growth in vitro and dramatically decreased lo
144 gether, these data provide new insights into MPNST signaling deregulation and suggest that co-targeti
152 cell gene signature, and accordingly, mouse MPNST-like melanomas were also extensively infiltrated b
153 udy, we show that among five different mouse MPNST cell lines, only the ones with elevated levels of
155 e in PTEN expression was found in all murine MPNSTs and a majority of human NF1-associated MPNST lesi
157 ta3 mice accurately model human neurofibroma-MPNST progression, cohorts of these animals were monitor
158 ice represent a robust model of neurofibroma-MPNST progression useful for identifying novel genes dri
159 hat accurately models plexiform neurofibroma-MPNST progression in humans would facilitate identificat
160 enign neurofibromas; subsequent neurofibroma-MPNST progression is caused by aberrant growth factor si
161 f MEK and SHP2 is effective in models of NF1-MPNST, both those naive to and those resistant to MEKi,
162 was superior to MEKi alone in models of NF1-MPNST, including those with acquired resistance to MEKi.
168 or MPNST transformation and establishment of MPNST xenografts growth but not for tumor maintenance.
171 robust genetically engineered mouse model of MPNST that recapitulates human NF1-associated MPNST to i
172 s growth of all available in vitro models of MPNST and human MPNST cell lines, while remaining nontox
173 nhibition demonstrated activity in models of MPNST and may therefore be effective in patients with MP
175 ccelerated onset and increased penetrance of MPNST formation in fish overexpressing both the wild-typ
176 xogenous laminin increased the percentage of MPNST cells from Nf1(+/-); p53(+/-) but not Nf1(+/-); In
179 parison using a gene expression signature of MPNST-like mouse melanomas identified a subset of human
180 e, high-dose DHA reversed the stimulation of MPNST cell growth by a number of growth factors suggeste
184 and/or therapeutic targets for treatment of MPNST and support the use of the MPNST cell lines as a p
189 tudy helps understand the complex biology of MPNSTs and may enable future therapeutic development.See
191 ar pathways contributing to the formation of MPNSTs in NF1 patients, we used a zebrafish tumor model
192 Consistent with the observation that half of MPNSTs develop in neurofibromatosis type 1 (NF1) patient
194 overexpresses fgf8 accelerated the onset of MPNSTs in fish bearing a mutation in p53, suggesting tha
195 the p53 gene have been found in a subset of MPNSTs and mouse models support a role for p53 mutations
199 ound that 18% of primary and 49% of passaged MPNST cells from Nf1(+/-); Ink4a/Arf(-/-) mice formed tu
201 t increase in neurofibroma and grade 3 PNST (MPNST) formation compared with single transgenic control
202 Genetic analysis of human malignant PNSTs (MPNST) also revealed downregulation of PTEN expression,
210 ceptor CXCR4 and its ligand, CXCL12, promote MPNST growth by stimulating cyclin D1 expression and cel
215 s multilobulated or ovoid lesions, recurrent MPNSTs purely occur multifocally as mostly nodular lesio
217 bal loss of PRC2-mediated repression renders MPNST differentially dependent on DNA methylation to mai
218 with the MEK inhibitor trametinib to retard MPNST progression in transgenic fish overexpressing the
220 and negative predictive value for separating MPNSTs from BNFs of 91%, 84%, 67%, and 96% versus 91%, 8
221 53-mutant malignant peripheral nerve sheath (MPNST) and p53-null HCT116 cells with cisplatin (Cis) an
223 e worse outcomes than patients with sporadic MPNST, but the mechanism underlying this correlation is
228 a reciprocal activity in vitro, stimulating MPNST cell growth at comparable concentrations and reduc
234 ignaling and thus contributes importantly to MPNST development-a prediction supported by the ability
235 h the molecular mechanisms underlying NF1 to MPNST malignant transformation remain unclear, alteratio
237 Although loss of the NF1 gene predisposes to MPNST induction, relatively long tumor latency in NF1 pa
243 important new therapeutic strategy to treat MPNST, including in combination with autophagy blocking
246 Malignant peripheral nerve sheath tumor (MPNST) is an aggressive sarcoma with recurrent loss-of-f
250 S), malignant peripheral nerve sheath tumor (MPNST), and undifferentiated pleomorphic sarcoma (UPS).
253 Malignant peripheral nerve sheath tumors (MPNST) are highly invasive soft tissue sarcomas that ari
254 Malignant peripheral nerve sheath tumors (MPNST) develop in approximately 10% of neurofibromatosis
255 of malignant peripheral nerve sheath tumors (MPNST) harboring loss-of-function polycomb-repressive co
258 in malignant peripheral nerve sheath tumors (MPNST), a class of highly aggressive, therapeutically re
260 s, malignant peripheral nerve sheath tumors (MPNST), solitary fibrous tumors, synovial sarcomas (SySa
267 se malignant peripheral nerve sheath tumors (MPNSTs) and found that 18% of primary and 49% of passage
268 Malignant peripheral nerve sheath tumors (MPNSTs) are a type of rare sarcomas with a poor prognosi
269 Malignant peripheral nerve sheath tumors (MPNSTs) are aggressive neoplasms that commonly occur in
270 Malignant peripheral nerve sheath tumors (MPNSTs) are aggressive sarcomas without effective therap
271 Malignant peripheral nerve sheath tumors (MPNSTs) are aggressive tumors with low survival rates an
272 Malignant peripheral nerve sheath tumors (MPNSTs) are aggressive, frequently metastatic sarcomas t
273 Malignant peripheral nerve sheath tumors (MPNSTs) are devastating sarcomas for which no effective
274 Malignant peripheral nerve sheath tumors (MPNSTs) are genetically diverse, aggressive sarcomas tha
275 Malignant peripheral nerve sheath tumors (MPNSTs) are sarcomas of Schwann cell lineage origin that
276 Malignant peripheral nerve sheath tumors (MPNSTs) are soft tissue sarcomas that arise in connectiv
277 Malignant peripheral nerve sheath tumors (MPNSTs) are soft-tissue sarcomas that frequently arise i
278 AS malignant peripheral nerve sheath tumors (MPNSTs) compared with unmatched sporadic MPNSTs (P = .00
279 Malignant peripheral nerve sheath tumors (MPNSTs) develop sporadically or in the context of neurof
280 an malignant peripheral nerve sheath tumors (MPNSTs) driven by NF1 loss, HSF1 was overexpressed and a
281 ng malignant peripheral nerve sheath tumors (MPNSTs) from benign neurofibromas (BNFs) in patients wit
282 om malignant peripheral nerve sheath tumors (MPNSTs) overexpress PDGF receptor-beta and generate an a
283 Malignant peripheral nerve sheath tumors (MPNSTs) represent a group of highly aggressive soft-tiss
284 at malignant peripheral nerve sheath tumors (MPNSTs) that arise in zebrafish as a result of mutations
285 of malignant peripheral nerve sheath tumors (MPNSTs), benign neurofibromas, and normal Schwann cells.
286 e, malignant peripheral nerve sheath tumors (MPNSTs), is thought to result in the overactivation of t
287 In malignant peripheral nerve sheath tumors (MPNSTs), Polycomb repressive complex 2 (PRC2), which pla
288 to malignant peripheral nerve sheath tumors (MPNSTs), rare Schwann cell-derived malignancies that occ
289 or malignant peripheral nerve sheath tumors (MPNSTs), which are highly aggressive sarcomas that origi