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理解して使うRNA Velocity解析ツール-最近のツール編

myoshimura
February 09, 2023

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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  1. scVelo։ൃνʔϜʹΑΔϨϏϡʔ࿦จ • 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
  2. scVeloͷࠓޙͷల๬ A. velocityϞσϧͷ֦ு ࡉ๔ͷঢ়ଶؒ΍μΠφϛοΫͳϓϩηεதʹ͓͜Δ ύϥϝʔλͷಈతͳมԽΛߟྀ֦ͨ͠ு B. ࡉ๔ಛҟతμΠφϛΫεͷ֬཰࿦తϞσϧ RNA velocityͷϞσϧ͸ܾఆ࿦తͳඍ෼ํఔࣜͰ هड़͞ΕΔͨΊɺෆۉҰੑ͸ແࢹ͞Ε͍ͯΔ

    → ֬཰తมಈΛϞσϧʹऔΓࠐΉ C. γεςϜμΠφϛΫεʹ޲͚ͨଟมྔղੳϞσϧ RNA velocityͷϞσϧͰ֤Ҩ఻ࢠͷ੍ޚؔ܎͸ແࢹ͞ΕΔ → ࡉ๔ঢ়ଶͷભҠʹԊ੍ͬͨޚੑ૬ޓ࡞༻Λهड़͢Δ ଟมྔϞσϧʹ֦ு͢Δ D. Multi-modal omics models protein, ࡉ๔࣭ͷmRNA, ΩϟοϐϯάmRNA, ΫϩϚνϯͷঢ়ଶ౳ɺଞͷγάφϧΛϞσϧʹ૊ΈࠐΉ
  3. V.Bergen.et.al, Mol Syst Biol. 2021 ΛҾ༻͍ͯ͠Δ࿦จ 22೥12݄࣌఺ Ҿ༻࿦จ਺ : 54ใ

    ॏෳΛআڈ : 51ใ 23೥2݄ݱࡏ → 70ใ A : Review(ղੳऀ޲͚) = 1ຊ B : ख๏ݕূ= 2ຊ C : طଘvelocityͷԠ༻ = 3ຊ D : scVeloͷޙܧख๏ = 13ຊ E : scVeloͷFigΛܝࡌ = 10ຊ F : velocityʹݴٴɾଞ = 21ຊ
  4. A : Review(ղੳऀ޲͚) = 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༻͍ͯ͠Δ࿦จ 22೥12݄࣌఺ Ҿ༻࿦จ਺ : 54ใ ॏෳΛআڈ : 51ใ 23೥2݄ݱࡏ → 70ใ
  5. 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
  6. 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 ม෼ΦʔτΤϯίʔμʔ(ੜ੒Ϟσϧ) ValoAE Proc Natl Acad Sci U S A. 2021 Dec 7 scTour LatentVelo Pyro-Velocity ਂ૚ੜ੒Ϟσϧ veloVI άϥϑ৞ΈࠐΈ ωοτϫʔΫ DeepVelo ม෼ϕΠζ VeloVAE ࡉ๔ܥ౷थ ଟมྔεϓϥΠγϯάϞσϧ (not use velocity) PhyloVelo spliceJAC Molecular Systems Biology (2022) ΦʔτΤϯίʔμʔ
  7. UniTVelo Nature Comm volume 13, 6586 (2022) ɾspliced-RNAΛ࢖༻͠Ҩ఻ࢠൃݱͷ׬શͳμΠφϛΫεΛ ์ࣹঢ়جఈؔ਺ (RBF)

    ͰϞσϧԽɺτοϓμ΢ϯతʹRNA velocityΛਪఆ͢Δ ɾεϓϥΠγϯά͞Ε͍ͯͳ͍RNA͕શ͘ͳ͍ঢ়ଶͰ΋VelocityΛ༧ଌ͢Δ͜ͱ͕Ͱ͖Δ ɾࡉ๔͝ͱʹτϥϯεΫϦϓτʔϜશମͰڞ༗͢Δજࡏtime pointΛಋೖ͠ɺ Ҩ఻ࢠؒͰͷϊΠζ(ํ޲ੑͷෆҰக)Λղܾ → ࡉ๔෼Խܦ࿏ͷ༧ଌਫ਼౓͕޲্
  8. Cell volume 185, Issue 4, 2022 ɾ୅ँඪࣝγʔέϯεσʔλΛ spliced/unsplicedμΠφϛΫεʹجͮ͘Ϟσϧʹ౷߹͠ ਅͷ(absolute) velocity

    Λਪఆ ɾ୅ँϥϕϦϯάͳ͠ͷ1ࡉ๔RNA-seqσʔλʹ΋ద༻Մ ɾ֤ࡉ๔ͷҨ఻ࢠൃݱྔͱมԽ଎౓(velocity) ͔Βɺ Ҩ఻ࢠൃݱྔϕΫτϧΛड͚औͬͯมԽ଎౓Λฦ͢ ؔ਺ f (ϕΫτϧϑΟʔϧυ)Λֶश͢Δ ɾ࠶ߏ੒͞ΕͨղੳతϕΫτϧϑΟʔϧυΛ༻͍ͯɺ ࡉ๔͕ଘࡏ͠ͳ͍ྖҬʹରͯ͠΋ɺ௿࣍ݩۭؒͷ ϕΫτϧϑΟʔϧυΛ਺ֶతʹ෮ݩͨ͠Γɺ ࡉ๔ӡ໋มભɺҨ఻ࢠ৙ཚͷ݁ՌͳͲͷ༧ଌ͕Մೳ ࢀߟɿ1ࡉ๔γʔέϯγϯάσʔλΛ༻͍ͨҨ఻ࢠൃݱมԽ༧ଌ (in silico perturbation) ख๏ (Dynamo, SCENIC+) ͷ঺հ https://qiita.com/masa12/items/1e564768ad98c0d4cf9c
  9. κ-velo/eco-velo PLoS Comput Biol. 2022 Sep 28 ɾϝΠϯ͸κ-velo ɾࡉ๔ີ౓ =

    Ҩ఻ࢠʹґଘ͠ͳ͍άϩʔόϧͳ જࡏ࣌ؒ “εέʔϦϯάϑΝΫλʔκ”ΛϞσϧʹಋೖ (εέʔϧෆมੑ໰୊Λࠀ෰) ɾඇઢܗ௿࣍ݩۭؒembeddingʹ NyströmࣹӨΛ༻͍Δ ɾeco-velo͸ ߴ࣍ݩͷRNA velocityΛਪ࿦͠ͳ͍ ώϡʔϦεςΟοΫͳΞϓϩʔν
  10. ม෼ΦʔτΤϯίʔμʔ(ੜ੒Ϟσϧ) ValoAE Proc Natl Acad Sci U S A. 2021

    Dec 7 scTour LatentVelo Pyro-Velocity ਂ૚ੜ੒Ϟσϧ veloVI άϥϑ৞ΈࠐΈ ωοτϫʔΫ DeepVelo ม෼ϕΠζ VeloVAE ΦʔτΤϯίʔμʔ
  11. VeloAE Proc Natl Acad Sci U S A. 2021 Dec

    7 ɾϊΠζͷଟ͍ߴ࣍ݩspliced/unsplicedϕΫτϧΛ ΦʔτΤϯίʔμͰ௿࣍ݩજࡏۭؒʹࣹӨ͠ɺ ઢܗճؼ(=ఆৗঢ়ଶϞσϧ)Λ༻͍ͯજࡏ্ۭؒͷ velocityΛਪఆ͢Δ ※embedding͸scVeloͱಉ͘͡ભҠ֬཰Λ༻͍Δ scTour ɾม෼ΦʔτΤϯίʔμ(VAE)ͱneural ODEΛ༻͍ͯɺ ڭࢣͳ͠ͰpseudotimeɺτϥϯεΫϦϓτʔϜϕΫτϧ৔ɺ જࡏۭؒΛಉ࣌ʹਪఆ ɾόονޮՌΛड͚ͣɺࣄલ஌ࣝ(ϧʔτࡉ๔ͷࢦఆͳͲ)΍ spliced/unspliced mRNAͷ۠ผ΋ඞཁͳ͍ biorxiv.org/content/10.1101/2022.04.17.488600v2.full
  12. Pyro-Velocity ɾspliced/unsplicedϦʔυΧ΢ϯτΛ༻͍ͯvelocityϕΫτϧϑΟʔϧυ & ڞ༗જࡏ࣌ؒͷෆ࣮֬ੑਪఆΛߦ͏֬཰తੜ੒Ϟσϧ ɾม෼ਪ࿦ͷࣗಈԽͱͯ͠ఏҊ͞Ε͍ͯΔࣗಈඍ෼ม෼ਪ࿦(Automatic Differentiation Variational Inference ; ADVI)ͱ͍͏

    ΞϧΰϦζϜΛར༻͠ɺۙࣅࣄޙ෼෍Λಋग़͢Δ ɾvariable genesͷબ୒ɺओ੒෼ͷ਺ɺkNNʹΑΔฏ׈ԽͳͲͷલॲཧεςοϓ΍ɺҨ఻ࢠ͝ͱͷಠཱͨ͠velocityʹର͢Δ ฏ׈Խɺू໿ͳͲΞυϗοΫͳޙॲཧ͕ඞཁͳ͍ biorxiv.org/content/10.1101/2022.09.12.507691v2.full Pyro : pythonͷػցֶशϥΠϒϥϦPyTorchΛ ϕʔεʹͨ֬͠཰తϓϩάϥϛϯάݴޠ
  13. veloVI ɾscVeloͱಉ͡ϥϘ͔Βͷ࿦จ ɾ ਂ૚ੜ੒Ϟσϧ(Deep Generative Model) Λ༻͍ͯɺ ൓Ԡ଎౓ύϥϝʔλͱજࡏ࣌ؒΛֶश͠ͳ͕Βɺ ͢΂ͯͷࡉ๔ͱҨ఻ࢠؒͰ৘ใΛڞ༗͢ΔϞσϧΛհͯ͠ RNA

    velocityͷਪ࿦Λ࠶ఆࣜԽ ɾvelocityͷܦݧతࣄޙ෼෍(ࡉ๔-Ҩ఻ࢠϨϕϧ)Λग़ྗ → ಺ࡏతͳෆ࣮֬ੑ + ࡉ๔ͷۙ๣ؒͷมಈੑͷ྆ํΛ ఆྔԽͰ͖Δ https://github.com/YosefLab/velovi ɾ਺ϲ݄Ҏ಺ʹscvi-tools ʹҠߦ + scVeloͰϥούʔ͕Ϗϧυ biorxiv.org/content/10.1101/2022.08.12.503709v1.full
  14. spliceJAC Molecular Systems Biology (2022) A. unspliced mRNAͱspliced mRNAͷΧ΢ϯτɺ ࡉ๔ͷΞϊςʔγϣϯΛೖྗͱ͢Δ

    B,C. ଟมྔmRNAεϓϥΠγϯάϞσϧʹΑΓ ֤ࡉ๔ঢ়ଶʹಛҟతͳҨ఻ࢠ-Ҩ఻ࢠ૬ޓ࡞༻ߦྻΛग़ྗ D. ࡉ๔ঢ়ଶؒͷ੾Γସ͑Λɺঢ়ଶಛҟతͳ Ҩ఻ࢠ੍ޚωοτϫʔΫʹΑΔߴ࣍ݩϥϯυεέʔϓ্ͷ ભҠͱͯ͠ղऍ͢Δ E. ҆ఆੑղੳʹΑΓɺࡉ๔ঢ়ଶؒͷҠߦʹॏཁͳ “ભҠҨ఻ࢠ “Λ༧ଌͰ͖Δ (F. ֤ࡉ๔ঢ়ଶ͸ɺ੍ޚωοτϫʔΫʹัଊ͞ΕͨҨ఻ࢠؒͷ ಛҟతͳ૬ޓ࡞༻Λࣔ͢)
  15. ·ͱΊ ɾscVelo։ൃνʔϜ͕Mol Syst Biol. 2021ʹͯ໰୊ఏىͨ͠՝୊ʹ͍ͭͯɺޙܧख๏͸ͦͷଟ͘Λ ࠀ෰ͭͭ͋͠Δ ݸʑͷख๏Ͱͷ՝୊ ɾલॲཧ → ਖ਼֬ͳunspliced

    RNAͷఆྔͳͲ ɾطଘϞσϧͷ֦ு → ֬཰తμΠφϛΫεͷΑΓྑ͍ਪ࿦ ɾੜ੒Ϟσϧͷ׆༻ → ϋΠύʔύϥϝʔλͷௐ੔ ɾ΄ͱΜͲ؍ଌ͞Εͳ͍Ұաੑͷࡉ๔ΫϥελΛ࣋ͭɺૄͳࡉ๔ܥේूஂͰͷVelocityਪఆ etc… ݱঢ়ɺͲͷख๏΋ैདྷͷscVeloͱ͔͠ൺֱ͍ͯ͠ͳ͍ͨΊɺϕϯνϚʔΫ࿦จ͕଴ͨΕΔ scVeloνʔϜ΋ޙܧͷVeloVIΛ։ൃ͓ͯ͠ΓɺࠓޙVelocityղੳͷඪ४͸Ξοϓσʔτ͍ͯ͘͠ͱ༧૝