2020
PIWI–piRNA pathway-mediated transposable element repression in Hydra somatic stem cells
Teefy BB, Siebert S, Cazet JF, Lin H, Juliano CE. PIWI–piRNA pathway-mediated transposable element repression in Hydra somatic stem cells. RNA 2020, 26: 550-563. PMID: 32075940, PMCID: PMC7161359, DOI: 10.1261/rna.072835.119.Peer-Reviewed Original ResearchConceptsPIWI-piRNA pathwayTE expressionSomatic stem cellsTransposable elementsTE transcriptsStem cellsFreshwater cnidarianSmall RNA pathwaysTransposable element repressionSomatic cell lineagesGermline of animalsInterstitial stem cellsStem cell populationInterstitial lineageSomatic piRNAsDegradome sequencingEpithelial cellsAncestral functionRNA pathwaysGermline piRNAsPIWI proteinsTE repressionGermline competenceSequence signaturesRNA immunoprecipitation
2019
Heat shock protein DNAJA1 stabilizes PIWI proteins to support regeneration and homeostasis of planarian Schmidtea mediterranea
Wang C, Yang ZZ, Guo FH, Shi S, Han XS, Zeng A, Lin H, Jing Q. Heat shock protein DNAJA1 stabilizes PIWI proteins to support regeneration and homeostasis of planarian Schmidtea mediterranea. Journal Of Biological Chemistry 2019, 294: 9873-9887. PMID: 31076507, PMCID: PMC6597837, DOI: 10.1074/jbc.ra118.004445.Peer-Reviewed Original ResearchConceptsPIWI proteinsPIWI-interacting RNA (piRNA) biogenesisPlanarian adult stem cellsHeat shock protein 40 family membersDifferent evolutionary lineagesPlanarian Schmidtea mediterraneaStem cell maintenanceStem cell regulationCo-immunoprecipitation assaysStem cellsSomatic stem cellsControl of proteinAdult stem cellsHuman gastric cancer cellsPiRNA biogenesisRNA biogenesisEvolutionary lineagesPiwi-like RNASchmidtea mediterraneaTwo-hybridSMEDWI-1Planarian speciesCell maintenanceGastric cancer cellsPlanarian regeneration
2013
PIWI proteins and PIWI-interacting RNAs function in Hydra somatic stem cells
Juliano CE, Reich A, Liu N, Götzfried J, Zhong M, Uman S, Reenan RA, Wessel GM, Steele RE, Lin H. PIWI proteins and PIWI-interacting RNAs function in Hydra somatic stem cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 111: 337-342. PMID: 24367095, PMCID: PMC3890812, DOI: 10.1073/pnas.1320965111.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArgonaute ProteinsCell DifferentiationCell LineageCell SeparationCytoplasmEpithelial CellsFlow CytometryGene Expression RegulationHydraPhylogenyRecombinant ProteinsRNARNA InterferenceRNA Processing, Post-TranscriptionalRNA, Small InterferingSpecies SpecificityStem CellsTranscriptomeTransgenesConceptsPIWI-interacting RNAsPIWI proteinsStem/progenitor cellsProgenitor cellsPIWI-piRNA pathwayPing-pong signatureSomatic stem/progenitor cellsStem cell functionalitySomatic stem cellsInterstitial lineageNonbilaterian animalsPiwi functionPiRNA biogenesisAnimal germlineTransposon transcriptsSimple metazoanCnidarian HydraSmall RNAsEndodermal lineagesRNA functionPosttranscriptional regulatorsEpithelial lineageLineagesLikely actsPiwi
2010
The Yb Body, a Major Site for Piwi-associated RNA Biogenesis and a Gateway for Piwi Expression and Transport to the Nucleus in Somatic Cells*
Qi H, Watanabe T, Ku HY, Liu N, Zhong M, Lin H. The Yb Body, a Major Site for Piwi-associated RNA Biogenesis and a Gateway for Piwi Expression and Transport to the Nucleus in Somatic Cells*. Journal Of Biological Chemistry 2010, 286: 3789-3797. PMID: 21106531, PMCID: PMC3030380, DOI: 10.1074/jbc.m110.193888.Peer-Reviewed Original ResearchConceptsYb bodiesSomatic cellsPiRNA pathwayGerm lineEndo-siRNA pathwaySomatic niche cellsTudor-like domainGonadal somatic cellsPutative RNA helicaseCo-immunoprecipitation experimentsSomatic stem cellsFlamenco locusSomatic piRNAsPiRNA biogenesisEndo-siRNAsRNA biogenesisRNA pathwaysPiwi expressionRNA helicaseNovel proteinPiwiNiche cellsMolecular basisStem cellsBiogenesis
2009
The Yb protein defines a novel organelle and regulates male germline stem cell self-renewal in Drosophila melanogaster
Szakmary A, Reedy M, Qi H, Lin H. The Yb protein defines a novel organelle and regulates male germline stem cell self-renewal in Drosophila melanogaster. Journal Of Cell Biology 2009, 185: 613-627. PMID: 19433453, PMCID: PMC2711570, DOI: 10.1083/jcb.200903034.Peer-Reviewed Original ResearchConceptsYB proteinsNiche cellsYb bodiesElectron-dense spheresDrosophila melanogasterGermline stem cell maintenanceMale germline stem cellsGermline stem cellsStem cell maintenanceStem cellsC-terminal regionSomatic stem cellsN-terminal regionD. melanogasterNovel organellePiwi expressionGermline cellsDouble mutantCell maintenanceNovel lociSomatic cellsCytoplasmic spotsMelanogasterCytoplasmic structuresGermline loss
2002
The stem-cell niche theory: lessons from flies
Lin H. The stem-cell niche theory: lessons from flies. Nature Reviews Genetics 2002, 3: 931-940. PMID: 12459723, DOI: 10.1038/nrg952.Peer-Reviewed Original ResearchConceptsStem cell nicheSomatic stem cellsStem cellsTesticular stem cell nicheGermline stem cellsTerminal filament cellsSelf-renewing divisionsOogenic functionEpidermal growth factor receptorUnpaired ligandAdherens junctionsMammalian systemsTesticular nicheOvarian nicheGrowth factor receptorHub cellsPathway functionNiche theoryFilament cellsGermlineCell adhesionNicheFactor receptorPathwayFlies