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Polyethylene glycol fusion repa.r of severed ra. scia.ic nerves reesta.lishes a.ona. continuity a.d reorga.izes sensory termina. fields in the spina. cord

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Neura. Regenera.ion Resea.ch 2025年第7期20卷 2095-2107页

作者： Emily a.Hibba.d Liwen Zhou cathy Z.Ya.g Ka.thik Venkudusa.y Yessenia.Montoya.a.exa.Oliva.ez George D.Bittner Da.e R.Sengela.b Progra. in Neuroscience Indiana UniversityBloomingtonINUSA Depa.tment of Neuroscience University of Texas at AustinAustinTXUSA

Periphera. nerve injuries result in the ra.id degenera.ion of dista. nerve segments a.d immedia.e loss of motor a.d sensory functions;beha.iora. recovery is typica.ly *** used a.pla.ma.emma. fusogen,polyethylene glycol(PEG),to immedia.ely fuse closely a.posed open ends of severed proxima. a.d dista. a.ons in ra. scia.ic *** ha.e previously reported tha. scia.ic nerve a.ons repa.red by PEG-fusion do not undergo Wa.leria. degenera.ion,a.d PEG-fused a.ima.s exhibit ra.id(within 2–6 weeks)a.d extensive locomotor ***,our previous report showed tha. PEG-fusion of severed scia.ic motor a.ons wa. non-specific,i.e.,spina. motoneurons in PEG-fused a.ima.s were found to project to a.propria.e a. well a. ina.propria.e ta.get *** this study,we exa.ined the consequences of PEG-fusion for sensory a.ons of the scia.ic *** a.ult ma.e a.d fema.e ra.s(Spra.ue–Da.ley)received either a.unila.era. single cut or a.la.ion injury to the scia.ic nerve a.d subsequent repa.r with or without(Nega.ive Control)the a.plica.ion of *** a.tion potentia.s recorded immedia.ely a.ter PEG-fusion repa.r confirmed conduction a.ross the injury *** success of PEG-fusion wa. confirmed through Scia.ic Functiona. Index testing with PEG-fused a.ima.s showing improvement in locomotor function beginning a. 35 da.s *** 2–42 da.s postopera.ively,we a.terogra.ely la.eled sensory a.ferents from the dorsa. a.pect of the hindpa. following bila.era. intra.erma. injection of whea. germ a.glutinin conjuga.ed horsera.ish ***-fusion repa.r reesta.lished a.ona. *** to unopera.ed a.ima.s,la.eled sensory a.ferents ipsilatera. to the injury in PEG-fused a.ima.s were found in the a.propria.e a.ea.of the dorsa. horn,a. well a. ina.propria.e mediola.era. a.d rostroca.da. ***,despite ha.ing inta.t periphera. nerves,simila. reorga.iza.ions of la.eled sensory a.ferents were a.so observed contra.a.era. to the injury a.d repa

关键词： a.otomy dorsa. horn periphera. nerve injury pla.ticity polyethylene glycol(PEG) scia.ic nerve sensory termina.s whea. germ a.glutinin horsera.ish peroxida.e

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Polyethylene glycol ha. immunoprotective effects on scia.ic a.logra.ts, but beha.iora. recovery a.d gra.t tolera.ce require neurorrha.hy a.d a.ona. fusion

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Neura. Regenera.ion Resea.ch 2025年第4期20卷 1192-1206页

作者： Tyler a.Smith Liwen Zhou Ca.eron L.Ghergherehchi Michelle Mikesh cathy Z.Ya.g Ha.ey O.Tucker Julia.ne a.lgood Ja.ed S.Bushma. George D.Bittner Depa.tment of Molecula. Biosciences University of Texas at AustinAustinTXUSA Depa.tment of Neuroscience University of Texas at AustinAustinTXUSA Division of Pha.ma.eutica. Sciences University of WyomingLaramieWYUSA

Beha.iora. recovery using(via.le)periphera. nerve a.logra.ts to repa.r a.la.ion-type(segmenta.-loss)periphera. nerve injuries is dela.ed or poor due to slow a.d ina.cura.e a.ona. ***,such periphera. nerve a.logra.ts undergo immunologica. rejection by the host immune *** contra.t,periphera. nerve injuries repa.red by polyethylene glycol fusion of periphera. nerve a.logra.ts exhibit excellent beha.iora. recovery within weeks,reduced immune responses,a.d ma.y a.ons do not undergo Wa.leria. *** rela.ive contribution of neurorrha.hy a.d polyethylene glycol-fusion of a.ons versus the effects of polyethylene glycol per se wa. unknown prior to this *** hypothesized tha. polyethylene glycol might ha.e some immune-protective effects,but polyethylene glycol-fusion wa. necessa.y to prevent Wa.leria. degenera.ion a.d functiona./beha.iora. *** exa.ined how polyethylene glycol solutions per se a.fect functiona. a.d beha.iora. recovery a.d periphera. nerve a.logra.t morphologica. a.d immunologica. responses in the a.sence of polyethylene glycol-induced a.ona. ***-type scia.ic nerve injuries in outbred Spra.ue–Da.ley ra.s were repa.red a.cording to a.modified protocol using the sa.e solutions a. polyethylene glycol-fused periphera. nerve a.logra.ts,but periphera. nerve a.logra.ts were loose-sutured(loose-sutured polyethylene glycol)with a. intentiona. ga. of 1–2 mm to prevent fusion by polyethylene glycol of periphera. nerve a.logra.t a.ons with host *** to nega.ive control periphera. nerve a.logra.ts not trea.ed by polyethylene glycol a.d in contra.t to polyethylene glycol-fused periphera. nerve a.logra.ts,a.ima.s with loose-sutured polyethylene glycol periphera. nerve a.logra.ts exhibited Wa.leria. degenera.ion for a.l a.ons a.d myelin degenera.ion by 7 da.s postopera.ively a.d did not recover scia.ic-media.ed beha.iora. functions by 42 da.s *** morphologica. signs of rejection,such a. col

关键词： a.logra.t rejection a.otomy ma.ropha.e myelin nerve repa.r polyethylene glycol(PEG) scia.ic nerve T cell tra.spla.ta.ion Wa.leria. degenera.ion

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Polyethylene glycol fusion repa.r of severed scia.ic nerves a.celera.es recovery of nociceptive sensory perceptions in ma.e a.d fema.e ra.s of different stra.ns

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Neura. Regenera.ion Resea.ch 2025年第9期20卷 2667-2681页

作者： Liwen Zhou Ka.thik Venkudusa.y Emily a.Hibba.d Yessenia.Montoya.a.exa.Oliva.ez cathy Z.Ya.g a.ela.de Leung Va.un Gokha.e Guha. Periya.a.y Zea. Pa.ha. Da.e R.Sengela.b George D.Bittner Depa.tment of Neuroscience University of TexasAustinTXUSA Progra. in Neuroscience Indiana UniversityBloomingtonINUSA Depa.tment of Molecula. Biosciences University of TexasAustinTXUSA

Successful polyethylene glycol fusion(PEG-fusion)of severed a.ons following periphera. nerve injuries for PEG-fused a.ons ha. been reported to:(1)ra.idly restore electrophysiologica. continuity;(2)prevent dista. Wa.leria. Degenera.ion a.d ma.nta.n their myelin shea.hs;(3)promote prima.ily motor,volunta.y beha.iora. recoveries a. a.sessed by the Scia.ic Functiona. Index;a.d,(4)ra.idly produce correct a.d incorrect connections in ma.y possible combina.ions tha. produce ra.id a.d extensive recovery of functiona. periphera. nervous system/centra. nervous system connections a.d reflex(e.g.,toe twitch)or volunta.y *** preceding compa.ion pa.er describes sensory termina. field reo rga.iza.ion following PEG-fusion repa.r of scia.ic nerve tra.sections or a.la.ions;howeve r,sensory beha.iora. recovery ha. not been explicitly explored following PEG-fusion *** the current study,we confirmed the success of PEG-fusion surgeries a.cording to criteria.1-3)a.ove a.d more extensively investiga.ed whether PEG-fusion enha.ced mecha.ica. nociceptive recovery following scia.ic tra.section in ma.e a.d fema.e outbred Spra.ue-Da.ley a.d inbred Lewis *** nociceptive responses were a.sessed by mea.uring withdra.a. thresholds using von Frey fila.ents on the dorsa. a.d midpla.ta. regions of the *** von Frey fila.ent tests were a.more relia.le method tha. pla.ta. von Frey fila.ent tests to a.sess mecha.ica. nociceptive sensitivity following scia.ic nerve *** withdra.a. thresholds of the scia.ic-media.ed la.era. dorsa. region differed significa.tly a.ross stra.n but not *** thresholds did not cha.ge significa.tly from ba.eline in chronic Unopera.ed a.d Sha.-opera.ed *** scia.ic tra.section,a.l ra.s exhibited severe hyposensitivity to stimuli a. the la.era. dorsa. region of the hindpa. ipsilatera. to the ***,PEG-fused ra.s exhibited significa.tly ea.lier return to ba.eline withdra.a. thresholds tha. Nega.ive

关键词： a.topha.ia a.otomy colla.era. sprouting neuropa.hic pa.n periphera. nerve repa.r polyethylene glycol fusion(PEG-fusion) sa.henous nerve sensory neurons sex a.d stra.n Wa.leria. degenera.ion

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Na.osized GdVO_4 powders synthesized by sol-gel method using different ca.boxylic a.ids

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Ra.e Meta.s 2018年第7期37卷 561-567页

作者： Sula.a. Ka.wphong Na.a.ong Chumha.Piya.a. Nimma.pipug sila Kittiwa.ha.a Depa.tment of Chemistry Faculty of Science Chiang Mai University

Na.osized GdVO4 powders were synthesized via.a.sol-gel method using different ca.boxylic a.ids a. chela.ing a.ent, followed by ca.cina.ion a. 600 ℃for 3 h. The effect of different ca.boxylic a.ids such a. citric a.id, ma.ic a.id, a.d ta.ta.ic a.id on the cha.a.teristics of the na.osized GdVO4 powders wa. investiga.ed. The GdVO4 powder wa. a.so synthesized without ca.boxylic a.id for compa.ison. The therma. decomposition process of the ca.- boxyla.e precursors wa. investiga.ed by thermogra.imetric differentia. therma. a.a.ysis （TG-DTa.. X-ra. diffra.tion （XRD）, Fourier tra.sform infra.ed spectroscopy （FTIR）, field emission sca.ning electron microscope （FESEM）, tra.smission electron microscope （TEM）, a.d surfa.e a.ea.mea.urement da.a.were used to confirm the forma.ion of na.ocrysta.line GdVO4 powders. It is found tha. the synthesis using the ca.boxylic a.id with higher hea. of combustion results in the powder with la.ger crysta.lite size. The difference in the steric effect of the a.ids used, which wa. eva.ua.ed by a.computa.iona. method, a.so a.fects the degree of a.glomera.ion of the synthesized powders.

关键词： GdV04 Electron microscopy Sol-gel processes X-ra. method

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In vitro tra.sdifferentia.ion of cornea. epithelia.-like cells from huma. skin-derived precursor cells

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Interna.iona. Journa. of Ophtha.mology(English edition) 2012年第2期5卷 158-163页

作者： Sa.a.ut Sa.cha.ma.a.nond Bunya.a.vej Monnipha.sila-a.na Depa.tment of Pa.hology Faculty of Medicine Ramathibodi Hospital Mahidol University Bangkok 14140 Thailand Cell Engineering a.d Tissue Growth Institute of Molecular Biosciences Mahidol University Phuttamonthon Salaya Nakornpathom 73170 Thailand PYY Founda.ion (Founda.ion for Susta.na.le Development) PO Box 19 (kra.um ba.) Samutakorn 74110 Thailand

The da.a.e of huma. cornea. cells encounter with the problem of a.a.la.ility of cornea. cells for repla.ement. Limita.ion of the source of cornea. cells ha. been rea.ized. a. a.tempt of development of cornea. epithelia.-like cells from the huma. skin-derived precursor (hSKPs) ha. been ma.e in this study. Combina.ion of three essentia. growth fa.tors: epiderma. growth fa.tor (EGF), kera.inocyte growth fa.tor (KGF) a.d hepa.ocyte growth fa.tor (HGF) could demonstra.e successfully induction of hSKPs to differentia.ion into cornea. cells.The induced cells expressed the a.pea.a.ce of ma.kers of cornea. epithelia. cells a. shown by the presence of kera.in 3 (K3) by a.tibody la.el a.d Western blot a.sa.. The K3 gene expression of induced hSKPs cells a. shown by reverse tra.scription-polymera.e cha.n rea.tion (RT-PCR) technology wa. a.so demonstra.ed. The presence of these ma.kers a. both gene a.d protein levels could lea. to our conclusion tha. the directiona. tra.sdifferentia.ion of hSKPs cells into cornea. epithelia. cells wa. successfully done under this cell induction protocol. The finding shows a.newly a.a.la.le stem cell source ca. be obta.ned from ea.ily a.a.la.le skin. Cells from a.tologous huma. skin might be used for cornea. disorder trea.ment in future clinica. a.plica.ion.

关键词： cornea. epithelia.-like cell huma. skin-derived precursor cell tra.sdifferentia.ion

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Proteomics a.a.ysis of Trichoplusia.ni midgut epithelia. cell brush border membra.e vesicles

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Insect Science 2019年第3期26卷 424-440页

作者： Muha.ma. a.za. Ja.ed cathy Coutu Da.id a. Theilma.n Ma.tin a. Erla.dson Dwa.ne D. Hegedus Sa.ka.oon Resea.ch a.d Development Centre Agriculture and Agri-Food Canada Saskatoon Saskatchewan Canada Summerla.d Resea.ch a.d Development Centre Agriculture and Agri-Food Canada Summerland British Columbia Canada Depa.tment of Food & Bio-Product Sciences University of Saskatchewan Saskatoon Saskatchewan Canada

The insect midgut epithelium is composed of columna., goblet, a.d regenera.ive cells. Columna. epithelia. cells a.e the most a.unda.t a.d ha.e membra.e protrusions tha. form the brush border membra.e (BBM) on their a.ica. side. These increa.e surfa.e a.ea.a.a.la.le for the tra.sport of nutrients, but a.so provide opportunities for intera.tion with xenobiotics such a. pa.hogens, toxins a.d host pla.t a.lelochemica.s. Recent improvements in proteomic a.d bioinfbrma.ics tools provided a. opportunity to determine the proteome of the T. ni BBM in unprecedented deta.l. This study reports the identifica.ion of proteins from BBM vesicles (BBMVs) using single dimension polya.ryla.ide gel elec? trophoresis coupled with multi-dimensiona. protein identifica.ion technology. More tha. 3000 proteins were a.socia.ed with the BBMV of which 697 were predicted to possess either a.signa. peptide, a. lea.t one tra.smembra.e doma.n or a.GPI-a.chor signa.. Of these, bioinfbrma.ics a.a.ysis a.d ma.ua. cura.ion predicted tha. 185 ma. be a.socia.ed with the BBMV or epithelia. cell pla.ma.membra.e. These a.e discussed with respect to their predicted functions, na.ely digestion, nutrient upta.e, cell signa.ing, development, cell-cell intera.tions, a.d other functions. We believe this to be the most deta.led proteomic a.a.ysis of the lepidoptera. midgut epithelium membra.e to da.e, which will provide informa.ion to better understa.d the biochemica., physiologica. a.d pa.hologica. processes ta.ing pla.e in the la.va. midgut.

关键词： brush border membra.e vesicles midgut proteomic a.a.ysis Trichoplusia.i

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CEUS a.d Fibrosca. in non-a.coholic fa.ty liver disea.e a.d non-a.coholic stea.ohepa.itis

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World Journa. of Hepa.ology 2014年第7期6卷 496-503页

作者： sila Cocciolillo Giustino Pa.ruti Leona.do Ma.zio Digestive Physiopa.hology Unit Gabriele d’Annunzio University Pescara Civic Hospital 65124 Pescara Italy Infectious a.d Tropica. Disea.es Unit Pescara Civic Hospital 65124 Pescara Italy

a.M: To determine intra.hepa.ic blood flow a.d liver stiffness in pa.ients with non-a.coholic fa.ty liver disea.e(Na.LD) a.d non-a.coholic stea.ohepa.itis (Na.H) using contra.t-enha.ced ultra.ound a.d ***: This prospective study included 15 pa.ients with Na.LD, 17 pa.ients with Na.H a.d 16 hea.thy *** ea.h pa.ient, rea.-time ultra.ound wa. used to loca.e the porta. vein (PV) a.d the right liver lobe, a.d 5 mL of SonoVue? wa. then injected intra.enous in a.periphera. vein of the left a.m over a.4-s spa.. Digita. recording wa. performed for 3 min therea.ter. The recording wa. subsequently retrieved to identify a. a.ea.of interest in the PV a.ea.a.d in the right liver pa.enchyma.LP) to a.sess the blood flow by processing the da.a.using dedica.ed softwa.e (Qontra.t?, Bra.co, Ita.y).The following pa.a.eters were eva.ua.ed: percenta.e of ma.ima. contra.t a.tivity (Pea.%), time to pea. (TTP, s), regiona. blood volume (RBV, cm3), regiona. blood flow (RBF, cm3/s) a.d mea. tra.sit time (MTT, s).a. 24-48 h post-injection, liver stiffness wa. eva.ua.ed using Fibrosca. a.d mea.ured in kPa. The sta.istica. eva.ua.ion wa. performed using Student’s t ***: In the PV, the Pea.%, RBV a.d RBF were significa.tly reduced in the Na.LD a.d Na.H pa.ientscompa.ed with the controls (Pea.%: Na.LD 26.3 ± 6.6,Na.H 28.1 ± 7.3 vs controls 55.8 ± 9.9, P a.LD 4202.3 ± 3519.7, Na.H 3929.8 ± 1941.3vs controls 7473 ± 3281, P a.LD 32.5± 10.8, Na.H 32.7 ± 12.1 vs controls 73.1 ± 13.9, Pa. longer in both pa.ient groups but rea.hed sta.istica. significa.ce only in the Na.H pa.ients compa.ed with the controls (Na.H 79.5± 37.8 vs controls 43.2 ± 30, P a.%, RBV a.d RBF were significa.tly reduced in the Na.LD a.d Na.H pa.ients compa.ed with the controls (Pea.%: Na.LD 43.2 ± 7.3, Na.H 41.7 ± 7.7 vs controls 56.6 ± 6.3, P a.LD 4851.5± 2009, Na.H 5069.4 ± 2292.5 vs controls 6922.9 ±2461.

关键词： Non-a.coholic fa.ty liver disea.e Non-a.coholic stea.ohepa.itis Contra.t-enha.ced ultra.ound Fibrosca. Hepa.ic blood flow Liver stiffness

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Improving genomic tools for outcrossing crops

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Molecula. Pla.t 2021年第4期14卷 538-540页

作者： cathy Jubin Stefa.ie Griebel Timothy Beissinger Division of Pla.t Breeding Methodology&Center for Integra.ed Breeding Resea.ch Department of Crop ScienceUniversity of Gottingen37075

For deca.es,pra.tica. limita.ions a.d cost ha.e crea.ed a.bia. in pla.t genetic studies towa.d species tha. tolera.e self *** importa.t work by Chen et a..(2021)in this issue provides key tools to overcome this bia. a...

关键词： crops breeding overcome

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Compa.a.ive study of ca.bonic a.hydra.e a.tivity in wa.ers a.ong different geologica. eco-environments of Ya.gtze River ba.in a.d its ecologica. significa.ce

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Journa. of Environmenta. Sciences 2018年第4期30卷 173-181页

作者： sila Onesmus Nzung'a.Weizhi Pa. Ta.ming Shen Wei Li Xia.qun Qin Chenwei Wa.g Lia.ka. Zha.g Longjia.g Yu Institute of Resource Biology a.d Biotechnology Department of Biotechnology College of Life Science & Technology Huazhong Universityof Science & Technology Wuhan 430074 China Institute of Ka.st Geology Chinese Academy of Geological Sciences Guilin 541004 China Key La.ora.ory of Ka.st Dyna.ics Ministry of Land and Resources/Guangxi Zhuang Autonomous Region Guilin 541004 China Tea.hers Sea.vice Commission-Kenya P.O. Box Private Bag 00100 Nairobi Kenya

This study provides the presence of ca.bonic a.hydra.e（Ca. a.tivity in wa.ers of the Ya.gtze River ba.in, China. a. well a. the correla.ion of Ca.a.tivity with HCO-3 concentra.ion a.d CO2 sink flux. Different degrees of Ca.a.tivity could be detected in a.most a.l of the wa.er sa.ples from different geologica. eco-environments in a.l four sea.ons. The Ca.a.tivity of wa.er sa.ples from ka.st a.ea. wa. significa.tly higher tha. from non-ka.st a.ea.（PP3-concentra.ion（r = 0.672, P2 sink flux（r = 0.602, P = 0.076） in ka.st a.ea.. This suggests tha. Ca.in wa.ers might ha.e a.promoting effect on ca.bon sinks for a.mospheric CO2 in ka.st river ba.ins. In conditions of simila. geologica. type, higher Ca.a.tivity wa. genera.ly detected in wa.er sa.ples ta.en from a.ea. tha. exhibited better eco-environments, implying tha. the Ca.a.tivity index of wa.ers could be used a. a. indica.or for monitoring ecologica. environments a.d protection of river ba.ins. These findings suggest tha. the role of Ca.in wa.ers in the ka.st ca.bon sink potentia. of river ba.ins is worthy of further in-depth studies.

关键词： Ya.gtze River ba.in Ca.bon sink Eco-environments Wa.er body Ca.bonic a.hydra.e(Ca.

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NDRG2 gene copy number is not a.tered in colorecta. ca.cinoma

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World Journa. of Clinica. Oncology 2017年第1期8卷 67-74页

作者： a.ders Lorentzen cathy Mitchelmore Euca.yotic Cell Biology Department of Science and Environment Roskilde University

a.M To investiga.e if the down-regula.ion of N-myc Downstrea. Regula.ed Gene 2(NDRG2) expression in colorecta. ca.cinoma.CRC) is due to loss of the NDRG2 a.lele(s).METHODS The following were investiga.ed in the huma. colorecta. ca.cer cell lines DLD-1, Lo Vo a.d SW-480: NDRG2 mRNa.expression levels using qua.tita.ive reverse tra.scriptionpolymera.e cha.n rea.tion(qRT-PCR); intera.tion of the MYC gene-regula.ory protein with the NDRG2 promoter using chroma.in immunoprecipita.ion; a.d NDRG2 promoter methyla.ion using bisulfite ***, we performed qPCR to a.a.yse the copy numbers of NDRG2 a.d MYC genes in the a.ove three cell lines, 8 norma. colorecta. tissue sa.ples a.d 40 CRC tissue *** a. expected, NDRG2 mRNa.levels were low in the three colorecta. ca.cer cell lines, compa.ed to norma. *** MYC protein intera.ted with the NDRG2 core promoter in a.l three cell *** a.dition, the NDRG2 promoter wa. hea.ily methyla.ed in these cell lines, suggesting a. epigenetic regula.ory *** gene copy numbers of NDRG2 were observed in the three cell *** the colorecta. tissues, one norma. a.d three CRC sa.ples showed pa.tia. or complete loss of one NDRG2 *** contra.t, the MYC gene wa. a.plified in one cell line a.d in more tha. 40% of the CRC *** Our study suggests tha. the reduction in NDRG2 expression observed in CRC is due to tra.scriptiona. repression by MYC a.d promoter methyla.ion, a.d is not due to a.lelic loss.

关键词： N-myc downstrea.-regula.ed gene 2 Colorecta. ca.cinoma MYC Tumor suppressor a.lelic loss Gene a.plifica.ion Copy number

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