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理解して使うRNA Velocity解析ツール-最近のツール編
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myoshimura
February 09, 2023
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理解して使うRNA Velocity解析ツール-最近のツール編
2023/02/08 Bio"Pack"athon 2023 #2 発表資料
myoshimura
February 09, 2023
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Transcript
ཧղͯ͠͏RNA Velocityղੳπʔϧ - ࠷ۙͷπʔϧฤ - Mika Yoshimura 2023/02/08 ཧԽֶݚڀॴ
scVelo։ൃνʔϜʹΑΔϨϏϡʔจ • RNA velocity—ݱࡏͷ՝ͱকདྷͷల Volker Bergen, Ruslan A Soldatov, Peter
V Kharchenko, Fabian J Theis Mol Syst Biol. 2021 Aug;17(8):e10282 • Velocityղੳख๏ͷݶքʹ͍ͭͯͷ࣮ྫͱFeature PlansΛࣔ͢
scVeloͷࠓޙͷల A. velocityϞσϧͷ֦ு ࡉ๔ͷঢ়ଶؒμΠφϛοΫͳϓϩηεதʹ͓͜Δ ύϥϝʔλͷಈతͳมԽΛߟྀ֦ͨ͠ு B. ࡉ๔ಛҟతμΠφϛΫεͷ֬తϞσϧ RNA velocityͷϞσϧܾఆతͳඍํఔࣜͰ هड़͞ΕΔͨΊɺෆۉҰੑແࢹ͞Ε͍ͯΔ
→ ֬తมಈΛϞσϧʹऔΓࠐΉ C. γεςϜμΠφϛΫεʹ͚ͨଟมྔղੳϞσϧ RNA velocityͷϞσϧͰ֤Ҩࢠͷ੍ޚؔແࢹ͞ΕΔ → ࡉ๔ঢ়ଶͷભҠʹԊ੍ͬͨޚੑ૬ޓ࡞༻Λهड़͢Δ ଟมྔϞσϧʹ֦ு͢Δ D. Multi-modal omics models protein, ࡉ๔࣭ͷmRNA, ΩϟοϐϯάmRNA, ΫϩϚνϯͷঢ়ଶɺଞͷγάφϧΛϞσϧʹΈࠐΉ
scVeloͷݱࡏ ෳͷܥ౷Λͭࡉ๔ूஂ ಛఆͷΫϥελͰɺਪఆ͞ΕͨμΠφϛΫε(ࢵͷۂઢ) Ͱઆ໌Ͱ͖ͳ͍ڍಈΛࣔ͢Ҩࢠ ҟͳΔڍಈͷΫϥελ Velocity࠶ܭࢉ
[ٙ] 2022.12 ࣌Ͱɺ Velocityղੳͷ՝Λೝࣝͨ͠ ৽͍͠Velocityπʔϧ ͲΕ͘Β͍ൃද͞Ε͍ͯΔͷ͔ʁ → ϨϏϡʔจ Mol Syst
Biol. 2021 ΛҾ༻͢ΔจΛௐࠪ
V.Bergen.et.al, Mol Syst Biol. 2021 ΛҾ༻͍ͯ͠Δจ 2212݄࣌ Ҿ༻จ : 54ใ
ॏෳΛআڈ : 51ใ 232݄ݱࡏ → 70ใ A : Review(ղੳऀ͚) = 1ຊ B : ख๏ݕূ= 2ຊ C : طଘvelocityͷԠ༻ = 3ຊ D : scVeloͷޙܧख๏ = 13ຊ E : scVeloͷFigΛܝࡌ = 10ຊ F : velocityʹݴٴɾଞ = 21ຊ
A : Review(ղੳऀ͚) = 1ຊ B : ख๏ݕূ= 2ຊ C
: طଘvelocityͷԠ༻ = 3ຊ D : scVeloͷޙܧख๏ = 13ຊ E : scVeloͷFigΛܝࡌ = 10ຊ F : velocityʹݴٴɾଞ = 21ຊ V.Bergen.et.al, Mol Syst Biol. 2021 ΛҾ༻͍ͯ͠Δจ 2212݄࣌ Ҿ༻จ : 54ใ ॏෳΛআڈ : 51ใ 232݄ݱࡏ → 70ใ
scTour DeepVelo LatentVelo PhyloVelo Pyro-Velocity veloVI VeloVAE spliceJAC Molecular Systems
Biology (2022)18:e111 MultiVelo UniTVelo κ-velo/eco-velo ValoAE Nature Biotechnology (2022) Nature Comm volume 13, 6586 (2022) Cell volume 185, Issue 4, 2022 PLoS Comput Biol. 2022 Sep 28 Proc Natl Acad Sci U S A. 2021 Dec 7 Preprints Published not use “velocity” scVeloͷޙܧख๏ Ұཡ
Ϟσϧ֦ு MultiVelo Nature Biotechnology (2022) UniTVelo Nature Comm volume 13,
6586 (2022) Ϟσϧ֦ு + embeddingͷվྑ κ-velo/eco-velo Cell volume 185, Issue 4, 2022 PLoS Comput Biol. 2022 Sep 28 มΦʔτΤϯίʔμʔ(ੜϞσϧ) ValoAE Proc Natl Acad Sci U S A. 2021 Dec 7 scTour LatentVelo Pyro-Velocity ਂੜϞσϧ veloVI άϥϑΈࠐΈ ωοτϫʔΫ DeepVelo มϕΠζ VeloVAE ࡉ๔ܥ౷थ ଟมྔεϓϥΠγϯάϞσϧ (not use velocity) PhyloVelo spliceJAC Molecular Systems Biology (2022) ΦʔτΤϯίʔμʔ
Ϟσϧ֦ு MultiVelo Nature Biotechnology (2022) UniTVelo Nature Comm volume 13,
6586 (2022)
MultiVelo Nature Biotechnology (2022) ɾΤϐήϊϜσʔλΛऔΓೖΕͨඍํఔࣜϞσϧ ɾసࣸΫϩϚνϯΞΫηγϏϦςΟ (c)ʹ ൺྫ࣌ؒ͠తʹมԽ͢ΔͱԾఆ ɾ࣌ؒt͕ਐΉʹͭΕͯมԽ͢Δঢ়ଶkΛϞσϧԽ ɾҨࢠൃݱͷεΠον࣌ؒ
(ΫϩϚνϯดɺసࣸ༠ಋɺస੍͕ࣸ࢝·ΔλΠϛϯά) ɾҨࢠݻ༗ͷVelocityύϥϝʔλ → 3࣍ݩҐ૬ϙʔτϨʔτΛ༻͍ͯਪఆ
UniTVelo Nature Comm volume 13, 6586 (2022) ɾspliced-RNAΛ༻͠ҨࢠൃݱͷશͳμΠφϛΫεΛ ์ࣹঢ়جఈؔ (RBF)
ͰϞσϧԽɺτοϓμϯతʹRNA velocityΛਪఆ͢Δ ɾεϓϥΠγϯά͞Ε͍ͯͳ͍RNA͕શ͘ͳ͍ঢ়ଶͰVelocityΛ༧ଌ͢Δ͜ͱ͕Ͱ͖Δ ɾࡉ๔͝ͱʹτϥϯεΫϦϓτʔϜશମͰڞ༗͢Δજࡏtime pointΛಋೖ͠ɺ ҨࢠؒͰͷϊΠζ(ํੑͷෆҰக)Λղܾ → ࡉ๔Խܦ࿏ͷ༧ଌਫ਼্͕
Ϟσϧ֦ு + embeddingͷվྑ κ-velo/eco-velo Cell volume 185, Issue 4, 2022
PLoS Comput Biol. 2022 Sep 28
Cell volume 185, Issue 4, 2022 ɾँඪࣝγʔέϯεσʔλΛ spliced/unsplicedμΠφϛΫεʹجͮ͘Ϟσϧʹ౷߹͠ ਅͷ(absolute) velocity
Λਪఆ ɾँϥϕϦϯάͳ͠ͷ1ࡉ๔RNA-seqσʔλʹద༻Մ ɾ֤ࡉ๔ͷҨࢠൃݱྔͱมԽ(velocity) ͔Βɺ ҨࢠൃݱྔϕΫτϧΛड͚औͬͯมԽΛฦ͢ ؔ f (ϕΫτϧϑΟʔϧυ)Λֶश͢Δ ɾ࠶ߏ͞ΕͨղੳతϕΫτϧϑΟʔϧυΛ༻͍ͯɺ ࡉ๔͕ଘࡏ͠ͳ͍ྖҬʹରͯ͠ɺ࣍ݩۭؒͷ ϕΫτϧϑΟʔϧυΛֶతʹ෮ݩͨ͠Γɺ ࡉ๔ӡ໋มભɺҨࢠཚͷ݁ՌͳͲͷ༧ଌ͕Մೳ ࢀߟɿ1ࡉ๔γʔέϯγϯάσʔλΛ༻͍ͨҨࢠൃݱมԽ༧ଌ (in silico perturbation) ख๏ (Dynamo, SCENIC+) ͷհ https://qiita.com/masa12/items/1e564768ad98c0d4cf9c
κ-velo/eco-velo PLoS Comput Biol. 2022 Sep 28 ɾϝΠϯκ-velo ɾࡉ๔ີ =
Ҩࢠʹґଘ͠ͳ͍άϩʔόϧͳ જࡏ࣌ؒ “εέʔϦϯάϑΝΫλʔκ”ΛϞσϧʹಋೖ (εέʔϧෆมੑΛࠀ) ɾඇઢܗ࣍ݩۭؒembeddingʹ NyströmࣹӨΛ༻͍Δ ɾeco-velo ߴ࣍ݩͷRNA velocityΛਪ͠ͳ͍ ώϡʔϦεςΟοΫͳΞϓϩʔν
มΦʔτΤϯίʔμʔ(ੜϞσϧ) ValoAE Proc Natl Acad Sci U S A. 2021
Dec 7 scTour LatentVelo Pyro-Velocity ਂੜϞσϧ veloVI άϥϑΈࠐΈ ωοτϫʔΫ DeepVelo มϕΠζ VeloVAE ΦʔτΤϯίʔμʔ
VeloAE Proc Natl Acad Sci U S A. 2021 Dec
7 ɾϊΠζͷଟ͍ߴ࣍ݩspliced/unsplicedϕΫτϧΛ ΦʔτΤϯίʔμͰ࣍ݩજࡏۭؒʹࣹӨ͠ɺ ઢܗճؼ(=ఆৗঢ়ଶϞσϧ)Λ༻͍ͯજࡏ্ۭؒͷ velocityΛਪఆ͢Δ ※embeddingscVeloͱಉ͘͡ભҠ֬Λ༻͍Δ scTour ɾมΦʔτΤϯίʔμ(VAE)ͱneural ODEΛ༻͍ͯɺ ڭࢣͳ͠ͰpseudotimeɺτϥϯεΫϦϓτʔϜϕΫτϧɺ જࡏۭؒΛಉ࣌ʹਪఆ ɾόονޮՌΛड͚ͣɺࣄલࣝ(ϧʔτࡉ๔ͷࢦఆͳͲ) spliced/unspliced mRNAͷ۠ผඞཁͳ͍ biorxiv.org/content/10.1101/2022.04.17.488600v2.full
LatentVelo ɾมΦʔτΤϯίʔμ(VAE)Ͱࡉ๔ͷΧϯτσʔλΛ ࣍ݩજࡏۭؒʹຒΊࠐΈɺજࡏ্ۭؒͰͷ ԽμΠφϛΫεΛneural ODEͰهड़͢Δ ɾVeloAEͱҟͳΓɺࡉ๔ঢ়ଶΛֶशͨ͠જࡏۭؒʹຒΊࠐΈ μΠφϛΫεΛࡉ๔ঢ়ଶܥේʹґଘͤ͞Δ͜ͱ͕Ͱ͖Δ ɾ୯ʹہॴతͳVelocityϕΫτϧΛग़ྗ͢ΔͷͰͳ͘ɺ ݸʑͷࡉ๔͝ͱʹάϩʔόϧͳܦ࿏ Λਪఆ͢Δ
→ જࡏతͳيಓ༧ଌ͢Δ͜ͱ͕Ͱ͖Δ ɾࡉ๔ঢ়ଶͱRNA velocityʹର͢ΔҰׅόονิਖ਼͕Մೳ biorxiv.org/content/10.1101/2022.08.22.504858v2.full
Pyro-Velocity ɾspliced/unsplicedϦʔυΧϯτΛ༻͍ͯvelocityϕΫτϧϑΟʔϧυ & ڞ༗જࡏ࣌ؒͷෆ࣮֬ੑਪఆΛߦ͏֬తੜϞσϧ ɾมਪͷࣗಈԽͱͯ͠ఏҊ͞Ε͍ͯΔࣗಈඍมਪ(Automatic Differentiation Variational Inference ; ADVI)ͱ͍͏
ΞϧΰϦζϜΛར༻͠ɺۙࣅࣄޙΛಋग़͢Δ ɾvariable genesͷબɺओͷɺkNNʹΑΔฏԽͳͲͷલॲཧεςοϓɺҨࢠ͝ͱͷಠཱͨ͠velocityʹର͢Δ ฏԽɺूͳͲΞυϗοΫͳޙॲཧ͕ඞཁͳ͍ biorxiv.org/content/10.1101/2022.09.12.507691v2.full Pyro : pythonͷػցֶशϥΠϒϥϦPyTorchΛ ϕʔεʹͨ֬͠తϓϩάϥϛϯάݴޠ
veloVI ɾscVeloͱಉ͡ϥϘ͔Βͷจ ɾ ਂੜϞσϧ(Deep Generative Model) Λ༻͍ͯɺ Ԡύϥϝʔλͱજࡏ࣌ؒΛֶश͠ͳ͕Βɺ ͯ͢ͷࡉ๔ͱҨࢠؒͰใΛڞ༗͢ΔϞσϧΛհͯ͠ RNA
velocityͷਪΛ࠶ఆࣜԽ ɾvelocityͷܦݧతࣄޙ(ࡉ๔-ҨࢠϨϕϧ)Λग़ྗ → ࡏతͳෆ࣮֬ੑ + ࡉ๔ͷۙؒͷมಈੑͷ྆ํΛ ఆྔԽͰ͖Δ https://github.com/YosefLab/velovi ɾϲ݄Ҏʹscvi-tools ʹҠߦ + scVeloͰϥούʔ͕Ϗϧυ biorxiv.org/content/10.1101/2022.08.12.503709v1.full
DeepVelo ɾάϥϑΈࠐΈωοτϫʔΫ(GCN)Λ༻͍ͯɺҨࢠ͝ͱɺࡉ๔͝ͱͷRNAεϓϥΠγϯάɾղΛਪఆ ɾҟछࡉ๔ूஂϚϧνϦωʔδΛ࣋ͭσʔλʹରͯ͠ɺෳࡶͳԽಈଶͷRNA velocityΛϞσϧԽ͢Δ͜ͱ͕Մೳ biorxiv.org/content/10.1101/2022.04.03.486877v2.full
VeloVAE ɾมϕΠζΛ༻͍ͯɺ֤ࡉ๔ͷજࡏ࣌ؒɺࡉ๔ͷঢ়ଶɺ ԠύϥϝʔλͷࣄޙΛਪఆ ɾσʔλద߹ੑͱԽํͷਪఆਫ਼ͷͰɺ ैདྷͷΞϓϩʔνΛେ෯ʹ্ճΔ ɾࡉ๔ঢ়ଶมͱશҨࢠͰڞ༗͢Δજࡏ࣌ؒͷಋೖʹΑͬͯ ैདྷͷख๏Ͱଊ͑ΒΕͳ͔ͬͨൃݱμΠφϛΫεͷ ఆੑతಛΛϞσϧԽͰ͖Δ (Ԇ༠ಋɺॳظ੍ɺసࣸϒʔετɺذͳͲ) biorxiv.org/content/10.1101/2022.07.08.499381v2.full
ࡉ๔ܥ౷थ ଟมྔεϓϥΠγϯάϞσϧ (not velocity) PhyloVelo spliceJAC Molecular Systems Biology (2022)
PhyloVelo ɾҰࡉ๔τϥϯεΫϦϓτʔϜ + ܥ౷थใ Ͱ ࡉ๔ӡ໋ͷભҠΛܥ౷తʹϚοϐϯά͢Δख๏ ɾࡉ๔྾ʹ͏୯ௐൃݱҨࢠʢMEGsʣɺ ࡉ๔ͷछྨʹؔΘΒͣɺܥ౷ذʹԊͬͯ ࿈ଓతʹൃݱ͕૿ݮ͢Δ ɾMEGΛར༻͠ɺࡉ๔ܥ౷थʹղ͞Εͨ
scRNA-seqσʔλ͔ΒvelocityϑΟʔϧυΛ ࣍ݩ্ۭؒͰޙΖ͖ʹ࠶ߏங͢Δ biorxiv.org/content/10.1101/2022.10.06.511094v2.full
spliceJAC Molecular Systems Biology (2022) A. unspliced mRNAͱspliced mRNAͷΧϯτɺ ࡉ๔ͷΞϊςʔγϣϯΛೖྗͱ͢Δ
B,C. ଟมྔmRNAεϓϥΠγϯάϞσϧʹΑΓ ֤ࡉ๔ঢ়ଶʹಛҟతͳҨࢠ-Ҩࢠ૬ޓ࡞༻ߦྻΛग़ྗ D. ࡉ๔ঢ়ଶؒͷΓସ͑Λɺঢ়ଶಛҟతͳ Ҩࢠ੍ޚωοτϫʔΫʹΑΔߴ࣍ݩϥϯυεέʔϓ্ͷ ભҠͱͯ͠ղऍ͢Δ E. ҆ఆੑղੳʹΑΓɺࡉ๔ঢ়ଶؒͷҠߦʹॏཁͳ “ભҠҨࢠ “Λ༧ଌͰ͖Δ (F. ֤ࡉ๔ঢ়ଶɺ੍ޚωοτϫʔΫʹัଊ͞ΕͨҨࢠؒͷ ಛҟతͳ૬ޓ࡞༻Λࣔ͢)
·ͱΊ ɾscVelo։ൃνʔϜ͕Mol Syst Biol. 2021ʹͯఏىͨ͠՝ʹ͍ͭͯɺޙܧख๏ͦͷଟ͘Λ ࠀͭͭ͋͠Δ ݸʑͷख๏Ͱͷ՝ ɾલॲཧ → ਖ਼֬ͳunspliced
RNAͷఆྔͳͲ ɾطଘϞσϧͷ֦ு → ֬తμΠφϛΫεͷΑΓྑ͍ਪ ɾੜϞσϧͷ׆༻ → ϋΠύʔύϥϝʔλͷௐ ɾ΄ͱΜͲ؍ଌ͞Εͳ͍Ұաੑͷࡉ๔ΫϥελΛ࣋ͭɺૄͳࡉ๔ܥේूஂͰͷVelocityਪఆ etc… ݱঢ়ɺͲͷख๏ैདྷͷscVeloͱ͔͠ൺֱ͍ͯ͠ͳ͍ͨΊɺϕϯνϚʔΫจ͕ͨΕΔ scVeloνʔϜޙܧͷVeloVIΛ։ൃ͓ͯ͠ΓɺࠓޙVelocityղੳͷඪ४Ξοϓσʔτ͍ͯ͘͠ͱ༧