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ELIZA cgi-bash version rev. 1.90
- Medical English LInking keywords finder for the PubMed Zipped Archive (ELIZA) -
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330250 occurrences (No.59 in the rank) during 5 years in the PubMed. [cache]
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330250 occurrences (No.59 in the rank) during 5 years in the PubMed. [cache]
| 127) Our finding suggests the novel type of regulation system of EGF signaling involving lectin-to-carbohydrate interaction and downregulation of ligand binding. |
| PMID:24608429 DOI:10.1038/onc.2014.20 |
| 2015 Oncogene |
| * Surfactant protein D suppresses lung cancer progression by downregulation of epidermal growth factor signaling. |
| - Surfactant protein D (SP-D) is a member of the collectin family that has an important role in maintaining pulmonary homeostasis. In this study, we demonstrated that SP-D inhibited the proliferation, migration and invasion of A549 human lung adenocarcinoma cells. We found that SP-D suppressed epidermal growth factor (EGF) signaling in A549 cells, H441 human lung adenocarcinoma cells and human EGF receptor (EGFR) stable expression CHO-K1 cells. A binding study using (125)I-EGF demonstrated that SP-D downregulated the binding of EGF to EGFR. A ligand blot indicated that SP-D bound to EGFR, and a lectin blot suggested that EGFR in A549 cells had both high-mannose type and complex type N-glycans. We purified the recombinant extracellular domain of EGFR (soluble EGFR=soluble EGFR (sEGFR)), and demonstrated that SP-D directly bound to sEGFR in a Ca(2+)-dependent manner. The binding of SP-D to sEGFR was suppressed by EDTA, mannose or N-glycopeptidase F treatment. Mass spectrometric analysis indicated that N-glycans in domain III of EGFR were of a high-mannose type. These data suggest that SP-D reduces EGF binding to EGFR through the interaction between the carbohydrate recognition domain of SP-D and N-glycans of EGFR, and downregulates EGF signaling. Our finding suggests the novel type of regulation system of EGF signaling involving lectin-to-carbohydrate interaction and downregulation of ligand binding. |
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(1)22  therapeutic |
(17)3 mutation |
(33)2 approaches |
(49)2 information |
| (2)11 and |
(18)3 paradigm |
(34)2 autosomal |
(50)2 inhibitors |
| (3)8 mechanism |
(19)3 role |
(35)2 candidate |
(51)2 learning |
| (4)8 method |
(20)3 strain |
(36)2 cardiac |
(52)2 modulators |
| (5)7 approach |
(21)3 target |
(37)2 clinical |
(53)2 object |
| (6)7 mutations |
(22)3 targeted |
(38)2 compounds |
(54)2 oral |
| (7)6 therapies |
(23)3 targets |
(39)2 data |
(55)2 polymer |
| (8)5 technique |
(24)3 treatment |
(40)2 described |
(56)2 potent |
| (9)4 strategies |
(25)3 type |
(41)2 dual |
(57)2 prognostic |
| (10)4 strategy |
(26)3 words |
(42)2 electroporation |
(58)2 putative |
| (11)4 surgical |
(27)2 *null* | (43)2 finding |
(59)2 recombinants |
| (12)3 antibacterial |
(28)2 anti-tumor |
(44)2 findings |
(60)2 results |
| (13)3 drug |
(29)2 antibiotic |
(45)2 form |
(61)2 therapeutical |
| (14)3 homozygous |
(30)2 anticancer |
(46)2 genetic |
(62)2 titanium |
| (15)3 insights |
(31)2 application |
(47)2 imaging |
(63)2 treatments |
| (16)3 mechanisms |
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(48)2 in |
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