WO2021182419A1 - セラミド増殖促進剤 - Google Patents
セラミド増殖促進剤 Download PDFInfo
- Publication number
- WO2021182419A1 WO2021182419A1 PCT/JP2021/009075 JP2021009075W WO2021182419A1 WO 2021182419 A1 WO2021182419 A1 WO 2021182419A1 JP 2021009075 W JP2021009075 W JP 2021009075W WO 2021182419 A1 WO2021182419 A1 WO 2021182419A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ceramide
- carbon atoms
- growth promoter
- general formula
- carbon
- Prior art date
Links
- 229940106189 ceramide Drugs 0.000 title claims abstract description 175
- YDNKGFDKKRUKPY-JHOUSYSJSA-N C16 ceramide Natural products CCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@H](O)C=CCCCCCCCCCCCCC YDNKGFDKKRUKPY-JHOUSYSJSA-N 0.000 title claims abstract description 144
- CRJGESKKUOMBCT-VQTJNVASSA-N N-acetylsphinganine Chemical compound CCCCCCCCCCCCCCC[C@@H](O)[C@H](CO)NC(C)=O CRJGESKKUOMBCT-VQTJNVASSA-N 0.000 title claims abstract description 144
- ZVEQCJWYRWKARO-UHFFFAOYSA-N ceramide Natural products CCCCCCCCCCCCCCC(O)C(=O)NC(CO)C(O)C=CCCC=C(C)CCCCCCCCC ZVEQCJWYRWKARO-UHFFFAOYSA-N 0.000 title claims abstract description 144
- VVGIYYKRAMHVLU-UHFFFAOYSA-N newbouldiamide Natural products CCCCCCCCCCCCCCCCCCCC(O)C(O)C(O)C(CO)NC(=O)CCCCCCCCCCCCCCCCC VVGIYYKRAMHVLU-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 230000001737 promoting effect Effects 0.000 title abstract description 7
- 150000001783 ceramides Chemical class 0.000 claims abstract description 31
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 27
- 125000002252 acyl group Chemical group 0.000 claims abstract description 15
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 13
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims abstract description 7
- 239000007952 growth promoter Substances 0.000 claims description 38
- 125000004432 carbon atom Chemical group C* 0.000 claims description 36
- 238000002360 preparation method Methods 0.000 claims description 26
- 150000002430 hydrocarbons Chemical group 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 24
- -1 fatty acid ester Chemical class 0.000 claims description 23
- 210000003491 skin Anatomy 0.000 claims description 23
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 claims description 18
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 17
- 239000000194 fatty acid Substances 0.000 claims description 17
- 229930195729 fatty acid Natural products 0.000 claims description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- 239000011203 carbon fibre reinforced carbon Chemical group 0.000 claims description 12
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 10
- 150000004665 fatty acids Chemical class 0.000 claims description 10
- 235000012000 cholesterol Nutrition 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 9
- 150000005846 sugar alcohols Polymers 0.000 claims description 7
- 235000011187 glycerol Nutrition 0.000 claims description 6
- 210000000434 stratum corneum Anatomy 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000002537 cosmetic Substances 0.000 claims description 4
- 150000003904 phospholipids Chemical class 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000013040 bath agent Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 238000012360 testing method Methods 0.000 description 13
- 238000009472 formulation Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 10
- 241000894007 species Species 0.000 description 10
- KZTJQXAANJHSCE-OIDHKYIRSA-N N-octodecanoylsphinganine Chemical compound CCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@H](O)CCCCCCCCCCCCCCC KZTJQXAANJHSCE-OIDHKYIRSA-N 0.000 description 9
- 238000007796 conventional method Methods 0.000 description 9
- 210000002510 keratinocyte Anatomy 0.000 description 9
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 150000002632 lipids Chemical class 0.000 description 7
- ATGQXSBKTQANOH-UWVGARPKSA-N N-oleoylphytosphingosine Chemical compound CCCCCCCCCCCCCC[C@@H](O)[C@@H](O)[C@H](CO)NC(=O)CCCCCCC\C=C/CCCCCCCC ATGQXSBKTQANOH-UWVGARPKSA-N 0.000 description 6
- 238000011088 calibration curve Methods 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 6
- MVLVMROFTAUDAG-UHFFFAOYSA-N ethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC MVLVMROFTAUDAG-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000012086 standard solution Substances 0.000 description 6
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical group CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 5
- CJKGLEVYDCRGBX-FQYIUYQHSA-N N-(30-(9Z,12Z-octadecadienoyloxy)-tricontanoyl)-sphing-4-enine Chemical compound CCCCCCCCCCCCC\C=C\[C@@H](O)[C@H](CO)NC(=O)CCCCCCCCCCCCCCCCCCCCCCCCCCCCCOC(=O)CCCCCCC\C=C/C\C=C/CCCCC CJKGLEVYDCRGBX-FQYIUYQHSA-N 0.000 description 5
- 229940092542 ceramide eos Drugs 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- XSDVOEIEBUGRQX-RBUKOAKNSA-N dihydroceramide Chemical compound CCCCCCCCCCCCCCC[C@@H](O)[C@H](CO)NC=O XSDVOEIEBUGRQX-RBUKOAKNSA-N 0.000 description 5
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid ester group Chemical group C(CCCCCCCCCCC)(=O)O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- IPCSVZSSVZVIGE-UHFFFAOYSA-N palmitic acid group Chemical group C(CCCCCCCCCCCCCCC)(=O)O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 5
- SEZHDEWMJCJWJO-UHFFFAOYSA-N 1-aminooctadecane-1,3-diol Chemical compound CCCCCCCCCCCCCCCC(O)CC(N)O SEZHDEWMJCJWJO-UHFFFAOYSA-N 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- MIUIRGGKIICMBP-NFOZDHADSA-N [27-oxo-27-[[(2s,3s,4r)-1,3,4-trihydroxyoctadecan-2-yl]amino]heptacosyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@H](O)[C@H](O)CCCCCCCCCCCCCC MIUIRGGKIICMBP-NFOZDHADSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 235000019437 butane-1,3-diol Nutrition 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 229940048864 ceramide 1 Drugs 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- JYGXADMDTFJGBT-VWUMJDOOSA-N hydrocortisone Chemical compound O=C1CC[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 JYGXADMDTFJGBT-VWUMJDOOSA-N 0.000 description 4
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- WWUZIQQURGPMPG-UHFFFAOYSA-N (-)-D-erythro-Sphingosine Natural products CCCCCCCCCCCCCC=CC(O)C(N)CO WWUZIQQURGPMPG-UHFFFAOYSA-N 0.000 description 3
- 0 *C(C(CO)N*)O Chemical compound *C(C(CO)N*)O 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 229930182558 Sterol Natural products 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 229940099417 ceramide 2 Drugs 0.000 description 3
- 229940044176 ceramide 3 Drugs 0.000 description 3
- 210000004748 cultured cell Anatomy 0.000 description 3
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical group CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- 230000035755 proliferation Effects 0.000 description 3
- 238000011002 quantification Methods 0.000 description 3
- WWUZIQQURGPMPG-KRWOKUGFSA-N sphingosine Chemical compound CCCCCCCCCCCCC\C=C\[C@@H](O)[C@@H](N)CO WWUZIQQURGPMPG-KRWOKUGFSA-N 0.000 description 3
- 150000003432 sterols Chemical class 0.000 description 3
- 235000003702 sterols Nutrition 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- LEEDMQGKBNGPDN-UHFFFAOYSA-N 2-methylnonadecane Chemical compound CCCCCCCCCCCCCCCCCC(C)C LEEDMQGKBNGPDN-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- XPFCZYUVICHKDS-UHFFFAOYSA-N 3-methylbutane-1,3-diol Chemical compound CC(C)(O)CCO XPFCZYUVICHKDS-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 2
- OTXVYVDIFLHDBB-UHFFFAOYSA-N CCCCCCCCCCCCCC(O)CC(N)O Chemical compound CCCCCCCCCCCCCC(O)CC(N)O OTXVYVDIFLHDBB-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 2
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- 108090001061 Insulin Proteins 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
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- AUNGANRZJHBGPY-SCRDCRAPSA-N Riboflavin Chemical compound OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-SCRDCRAPSA-N 0.000 description 2
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
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- 229930003268 Vitamin C Natural products 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- FPIPGXGPPPQFEQ-OVSJKPMPSA-N all-trans-retinol Chemical compound OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-OVSJKPMPSA-N 0.000 description 2
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- 229940105990 diglycerin Drugs 0.000 description 2
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- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 description 2
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- HCXVJBMSMIARIN-PHZDYDNGSA-N stigmasterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)/C=C/[C@@H](CC)C(C)C)[C@@]1(C)CC2 HCXVJBMSMIARIN-PHZDYDNGSA-N 0.000 description 1
- 229940032091 stigmasterol Drugs 0.000 description 1
- 235000016831 stigmasterol Nutrition 0.000 description 1
- BFDNMXAIBMJLBB-UHFFFAOYSA-N stigmasterol Natural products CCC(C=CC(C)C1CCCC2C3CC=C4CC(O)CCC4(C)C3CCC12C)C(C)C BFDNMXAIBMJLBB-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N tetradecanoic acid Chemical group CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000011732 tocopherol Substances 0.000 description 1
- 229960001295 tocopherol Drugs 0.000 description 1
- 235000010384 tocopherol Nutrition 0.000 description 1
- 229930003799 tocopherol Natural products 0.000 description 1
- 230000001256 tonic effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229960001727 tretinoin Drugs 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229940011671 vitamin b6 Drugs 0.000 description 1
- 239000010497 wheat germ oil Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/68—Sphingolipids, e.g. ceramides, cerebrosides, gangliosides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
Definitions
- the present invention relates to a ceramide growth promoter, which is characterized in that the application of a preparation containing dihydroceramides promotes conversion and growth into various ceramide species.
- the skin has a very important function as a barrier film that avoids the loss of biological, chemical and physical invasions such as microorganisms, chemical substances and ultraviolet rays from the outside world and also prevents the loss of essential biological components such as water.
- the barrier membrane functions as a stratum corneum with a thickness of about 20 ⁇ m, which is located in the outermost layer of the epidermis. Is forming. It is known that ceramide constructs a lipid barrier as a key component in this interkeratinocyte lipid and plays an important role in keeping the skin soft and fresh (Non-Patent Documents 1 and 2).
- Patent Document 1 attempts have been made to improve the skin barrier function and the moisturizing function by promoting the ceramide production mechanism using extracts such as eucalyptus, cattail, wild sweet William, and clove as active ingredients.
- FIG. 1 shows an abbreviation for ceramide.
- Ceramides are classified into 12 types according to the combination of a sphingosine base and a long-chain fatty acid constituting an amide side chain, and may be abbreviated in the present specification.
- ceramide EOSs (Fig. 1: CER [EOS]) are referred to as ceramide 1
- ceramide NSs Fig. 1: CER [NS]
- ceramide NDSs Fig. 1: CER [NDS]
- Non-Patent Document 3 a report on the effect of promoting ceramide production by applying a mixture of ceramide 1, ceramide 2 and ceramide 3 (Non-Patent Document 3), and delivery by a preparation consisting of water, fatty acid, cholesterol, and ceramide / phospholipid.
- Patent Document 2 a report on the effect of promoting ceramide production by applying a mixture of ceramide 1, ceramide 2 and ceramide 3 (Non-Patent Document 3), and delivery by a preparation consisting of water, fatty acid, cholesterol, and ceramide / phospholipid.
- Patent Document 2 a report on the effect of promoting ceramide production by applying a mixture of ceramide 1, ceramide 2 and ceramide 3
- a system has been proposed (Patent Document 2).
- Patent Document 1 limits the type of ceramide, and the attempt to promote ceramide production from the inside is an epidermis in which a converting enzyme on which a production promoter acts exists. It is more effective because there are various problems such as the need to reach the deep part of the body (for example, in the case of ceramide lumitoyl transferase, to the nucleated basal layer, spinous layer and granular layer), and individual differences in production capacity. Formulation development has been desired.
- Non-Patent Document 3 requires an expensive mixture of ceramide 1, ceramide 2, and ceramide 3.
- Patent Document 2 requires fatty acids as system constituents, and specific examples of ceramides are the same as in Non-Patent Document 3, which are expensive ceramide 1, ceramide 3, ceramide 6II, or a precursor of ceramide NP. Phytosphingosine is shown. As described above, the effect of using ceramides alone, let alone the effect of using dihydroceramide 2 (ceramide NDS) alone, and the effect of a system that does not require fatty acids have not been known at all.
- the present invention has been made under such circumstances, and it is an object of the present invention to provide a preparation / technology capable of not only supplementing ceramides from the outside but also proliferating various ceramide species in an external preparation for skin. And.
- the ceramide proliferation in the present disclosure means to promote the biosynthetic ability and / or the synthetic ability of the epidermal stratum corneum ceramide.
- a ceramide growth promoter containing ceramides represented by the following general formula (1).
- R 1 represents a monovalent hydrocarbon group having 13 to 21 carbon atoms which may have a hydroxyl group or a double bond
- Z has 14 carbon atoms which may have a hydrogen atom, an acetyl group or a hydroxyl group. Represents ⁇ 24 acyl groups.
- R 1 represents a monovalent hydrocarbon group having 13 to 21 carbon atoms which may have a hydroxyl group or a carbon-carbon double bond, and Z may have a hydrogen atom, an acetyl group or a hydroxyl group. Represents an acyl group having 14 to 24 carbon atoms.
- R 1 in the general formula (1) or the general formula (2) is a monovalent saturated hydrocarbon group having 13 to 21 carbon atoms.
- R 1 in the general formula (1) or the general formula (2) is a monovalent saturated hydrocarbon group having 13 to 21 carbon atoms.
- R 2 represents a carbon-carbon double bond and / or a monovalent hydrocarbon group having 13 to 21 carbon atoms which may have a hydroxyl group
- R 3 has 13 carbon atoms which may have a hydroxyl group.
- Y represents a hydrogen atom or an O-acyl bond via a hydroxyl group
- R 4 does not exist when Y is a hydrogen atom
- Y represents an O- via a hydroxyl group.
- R 5 represents a monovalent hydrocarbon group having 13 to 21 carbon atoms having a carbon-carbon double bond
- X represents an acyl group having 14 to 24 carbon atoms.
- the ceramide growth promoter of the present invention containing ceramides having a specific structure makes it possible to increase the number of ceramides in an appropriate balance by promoting the growth of various ceramides. Furthermore, it has excellent stability, safety, and usability, and at the same time, it can be arbitrarily diluted into a wide range of skin and hair (scalp) formulations, which significantly expands its use as a raw material for cosmetics and pharmaceuticals. Is.
- FIG. 1 is a diagram showing abbreviations for ceramide.
- FIG. 2 is a diagram showing a culture and a product addition test.
- FIG. 3 is a diagram showing the quantitative results of ceramide EOS.
- FIG. 4 is a diagram showing the quantitative results of ceramide NSs.
- FIG. 5 is a diagram showing the quantitative results of ceramide NDSs.
- the ceramides used in the present invention have the following formula (1).
- R 1 represents a monovalent hydrocarbon group having 13 to 21 carbon atoms which may have a hydroxyl group or a double bond
- Z is a carbon number which may have a hydrogen atom, an acetyl group or a hydroxyl group. Represents 14 to 24 acyl groups.
- It is a known compound represented by.
- the compound of the general formula (1) can be obtained from mammalian extracts such as human and pig skin, bovine brain and erythrocytes, and plant extracts such as soybean and wheat, but can be obtained by a known production method.
- the product is preferably used in terms of purity.
- Specific compounds represented by the general formula (1) include 2-tetradecanoylaminooctadecane-1,3-diol, 2-hexadecanoylaminooctadecane-1,3-diol, and 2-octadecanoylamino.
- R 1 represents a monovalent hydrocarbon group having 13 to 21 carbon atoms which may have a hydroxyl group or a carbon-carbon double bond, and Z may have a hydrogen atom, an acetyl group or a hydroxyl group. Represents an acyl group having 14 to 24 carbon atoms.
- the optically active natural ceramides represented by are preferably used.
- Specific compounds represented by the general formula (2) include (2S, 3R) -2-tetradecanoylaminooctadecane-1,3-diol and (2S, 3R) -2-hexadecanoylaminooctadecane-.
- R 1 in the general formula (1) or the general formula (2) is a monovalent saturated hydrocarbon group having 13 to 21 carbon atoms.
- Compounds in which R 1 is a monovalent saturated hydrocarbon group having 13 to 21 carbon atoms in the general formula (1) or the general formula (2) are classified into dihydroceramide (ceramide NDS) (CER (NDS) in FIG. 1).
- NS dihydroceramide
- the total content of these ceramides in the ceramide growth promoter of the present invention is preferably 0.001 to 10% by mass, more preferably 0.01 to 5% by mass, based on the total amount of the ceramide growth promoter. be.
- the ceramide growth promoter of the present invention preferably further contains one or more of sterols such as cholesterol or phytosterol, polyglycerin fatty acid esters, and polyhydric alcohols in addition to the above-mentioned ceramides.
- sterols such as cholesterol or phytosterol
- polyglycerin fatty acid esters such as polyglycerin fatty acid esters
- cholesterol As more specific sterols, cholesterol, camvesterol, stigma sterol, and cytosterol are preferably used, and cholesterol, which is a natural component constituting the stratum corneum, is particularly preferable.
- cholesterol which is a natural component constituting the stratum corneum, is particularly preferable.
- the content is preferably 20 to 150% by mass with respect to the ceramides.
- polyglyceric acid fatty acid esters those having a hydrophilicity / lipophilicity balance (HLB) of 10 or more are preferable.
- the polyglycerin group of the fatty acid ester of polyglycerin preferably has a degree of polymerization of 5 or more, and particularly preferably 8 to 12.
- the fatty acid residues have 12 to 24 carbon atoms such as lauric acid residue, myristic acid residue, palmitic acid residue, stearic acid residue, behenic acid residue, isostearic acid residue, and oleic acid residue. Things are preferable to hold. Further, the number of the fatty acid residues is preferably larger than the number of free aquatic groups.
- decaglycerin monomyristate HLB14
- pentaglycerin monostearate HLB11
- decaglycerin monostearate HLB13.5
- pentaglycerin monoisostearate HLB11
- Decaglycerin monooleate HLB13
- these components may contain only one kind, or may contain two or more kinds in combination.
- Fatty acid esters of polyglycerin are easy to form liquid crystal horizontal structure together with poorly water-soluble components and alcohols, and when the liquid crystal structure is formed in at least a part of the matrix, the ceramide component is easily absorbed through the skin as a matrix. Will be on top.
- Treatment methods that facilitate the formation of liquid crystals include 1) a matrix component containing sparingly soluble ceramides and alcohols that is heated and compatible with each other, and 2) a surfactant that has been previously heated and compatible with each other. It is possible to dilute with a non-aqueous component other than the matrix component, which contains a fatty acid ester of polyglycerin and a polyhydric alcohol, and 3) add a preheated aqueous component to the diluted product and cool it. Preferably exemplified.
- the amount of fatty acid ester of polyglycerin is preferably 2 to 20 times the mass of the total amount of ceramides.
- polyhydric alcohols examples include 1,3-butanediol, dipropylene glycol, glycerin, diglycerin, isoprene glycol, 1,2-pentanediol, 1,2-hexylene glycol and the like. Can be used alone or in combination of two or more. In particular, 1,3-butanediol and glycerin are preferably used.
- the content of the polyhydric alcohol is not particularly limited, it is preferable to use 10 to 50 times the mass of the ceramide as a stable dispersion preparation of the above ceramide in water.
- the ceramide growth promoter of the present invention is an external preparation for skin and hair, as long as the effects of the present invention are not impaired. Can be divided into and contained. Such optional components include, for example, hydrocarbons such as squalane, liquid paraffin, light liquid isoparaffin, heavy liquid isoparaffin, microcrystallin wax, solid paraffin, dimethicone, femethicone, cyclomethicone, amodimethicone, polyether-modified silicon and the like.
- hydrocarbons such as squalane, liquid paraffin, light liquid isoparaffin, heavy liquid isoparaffin, microcrystallin wax, solid paraffin, dimethicone, femethicone, cyclomethicone, amodimethicone, polyether-modified silicon and the like.
- Silicones jojoba oil, carnauba wax, mokuro, honey wax, gay wax, octyldodecyl oleate, isopropyl myristate, dineopentyl glycol diisostearate, esters such as diisostearyl malate, stearic acid, lauric acid, myristic acid , Palmitic acid, isostearic acid, isospertic acid, bechenic acid, oleic acid and other fatty acids, castor oil, palm oil, hydrogenated palm oil, camellia oil, wheat germ oil, isostearic acid triglyceride, isooctanoic acid triglyceride, olive oil, etc.
- Polyhydric alcohols such as triglycerides, 1,3-butanediol, glycerin, diglycerin, dipropylene glycol, polyethylene glycol, 1,2-pentanediol, 1,2-hexylene glycol, isoprene glycol, crystalline cellulose and crosslinked type.
- Organic powders such as methylpolysiloxane, polyethylene powder, acrylic resin powder, talc, mica, cericite, magnesium carbonate, calcium carbonate, titanium dioxide, iron oxide, dark blue, ultramarine, titanium mica, titanium cericite, silica, etc.
- Vitamins such as tocopherol, riboflavin, pyridoxin, ascorbic acid, ascorbic acid phosphate, active ingredients such as steroids such as estradiol, ethynyl estradiol, estriol, phenoxyethanol, parabens, hibitene gluconate, benzalconium chloride, etc.
- Preservatives, dimethylaminobenzoic acid esters, palmitic acid esters, ultraviolet absorbers such as benzophenones and the like can be preferably exemplified. These can be used alone or in combination of two or more.
- fatty acids such as stearic acid, lauric acid, myristic acid, palmitic acid, isostearic acid, isopalmitic acid, behenic acid, and oleic acid need to be adjusted in pH with an alkaline agent, and alkaline salts such as sodium and potassium. Since it may cause skin irritation by neutralizing to, it should not be used preferably and practically not contained except when it is intentionally used as an active ingredient of a skin / hair cleaning agent. Is preferable. Further, it is preferable that phospholipids such as lecithin are not substantially contained from the viewpoint of the risk that the surface active action thereof affects the essence of the present invention.
- the ceramide growth promoter of the present invention is preferably composed of only nonionic components.
- the non-ionic component mainly means a non-ionic surfactant, and examples thereof include fatty acid esters of polyglycerin.
- the ceramide growth promoter of the present invention can be applied as any of the preparations for external preparations for skin and hair. Examples of the preparation containing the ceramide growth promoter of the present invention include skin cosmetics, skin protective agents, hair compositions, lip care preparations, skin cleansers, bath salts and the like.
- the ceramide growth promoter of the present invention preferably has a dispersed particle diameter of 0.45 ⁇ m or less. It is preferable that the particle size of the ceramides is within such a range because it can pass through many treatment membranes in the development of a pharmaceutical product. Further, in order to keep the particle size of the ceramides in the above range, for example, it is preferable that the ceramide growth promoter contains a polyglycerin fatty acid ester.
- the barrier function and moisturizing function of the skin are improved by applying a ceramide-containing preparation as an external preparation, but the ceramide growth promoter of the present invention is a dihydroceramide having a dihydrosphingosine skeleton in particular.
- the class By containing the class, it has the effect of being converted into various ceramide species and / or promoting the growth effect of various ceramide species. No such findings were known.
- ceramides represented by the following general formula (3) and ceramides (ceramide NS) represented by the following general formula (4) are used. Proliferate.
- R 2 represents a carbon-carbon double bond and / or a monovalent hydrocarbon group having 13 to 21 carbon atoms which may have a hydroxyl group
- R 3 has 13 carbon atoms which may have a hydroxyl group.
- Y represents a hydrogen atom or an O-acyl bond via a hydroxyl group
- R 4 does not exist when Y is a hydrogen atom
- Y represents an O- via a hydroxyl group.
- an acyl bond it represents a monovalent hydrocarbon group having 15 to 25 carbon atoms which may have a carbon-carbon double bond.
- R 5 represents a monovalent hydrocarbon group having 13 to 21 carbon atoms having a carbon-carbon double bond
- X represents an acyl group having 14 to 24 carbon atoms.
- the ceramide NDS used was manufactured by Takasago International Corporation, and the other ceramides used were those manufactured by Avanti Polar Lipids.
- the lipid component composed of the component (a) is uniformly dissolved at about 120 ° C., then the component (b) is added at the same temperature, the component (b) is transparently dissolved, and then the component (c) is preheated to 80 to 90 ° C. Was gradually added dropwise.
- Example 2 A ceramide preparation (ceramide composition) was prepared using polyoxyethylene hydrogenated castor oil (HCO60) instead of decaglyceryl monomyristate of Example 1.
- HCO60 polyoxyethylene hydrogenated castor oil
- Example 3 A ceramide preparation (ceramide composition) was prepared using polyglyceryl (13) polyoxybutylene (14) stearyl ether instead of decaglyceryl monomyristate of Example 1.
- Test Example 1 Dilution of Ceramide Growth Promoter and Quantification of Ceramide Permeation Amount by Filter Paper Filtration Before subjecting the produced ceramide preparation to a cell culture test, the phosphate buffered saline diluted solution of the ceramide preparation is filtered with a syringe filter. And the amount of ceramide after filtration was quantified.
- the calibration curve was created by the following method. (2S, 3R) -2-octadecanoylaminooctadecane-1,3-diol standard product (this product is recrystallized 3 times with ethanol and dried, and no related substances are found). Weighed and measured up to 50 ml with tetrahydrofuran to prepare a standard stock solution. 1 ml, 2 ml and 3 ml of the standard stock solution were accurately weighed, 1 ml of the internal standard solution was added accurately, and then methanol was added to make 10 ml, which were used as the standard solution.
- Each ceramide preparation of Examples 1 to 3 was diluted 10-fold with phosphate buffered saline. The following operations were performed on the diluted solution before filtration and the diluted solution obtained by filtering the diluted solution with a syringe filter (Millipore, Milex-HV filter, 0.45 ⁇ m). 10.0 ml of the diluted solution was weighed, and the solvent was removed by using a rotary evaporator at 60 ° C. and 200 to 20 mmHG over 15 minutes. A suspension was obtained by adding 5 ml of tetrahydrofuran to the dried sample, irradiating with ultrasonic waves, and then heating to 60 ° C.
- the mass ratio was calculated from the calibration curve prepared in advance and quantified by the following formula.
- a formula: (2S, 3R) -2-octadecanoylaminooctadecane-1,3-diol amount (mg) A ⁇ mass ratio determined from the calibration curve
- the high performance liquid chromatograph was measured under the following conditions. Detector: Ultraviolet absorptiometer (measurement wavelength 210 nm), column: Inertsil ODS-3 (manufactured by Nacalai Tesque, 4.6 mm x 25 cm), column temperature: 40 ° C., mobile phase: methanol, flow rate: 1.0 ml / min.
- Table 1 shows the amount of ceramide permeation (transmittance) after filtration.
- ceramide growth promoter having a fine particle size can be prepared by containing decaglyceryl monomyristate.
- cells cultured for 3 days in DMEM medium containing 1.2 mM of calcium in 10% fetal bovine serum, 10 ⁇ g / mL insulin, 0.4 ⁇ g / mL hydrocortisone, and vitamin C in 50 ⁇ g / mL were cultured human keratinized cells in the late stage of differentiation. (LDK).
- Culturing was carried out from Day 0 to 10 for 10 days in the process shown in FIG. 2, and various ceramides were quantified on the final day.
- a ceramide-free Blk solution prepared in Comparative Example 1: 79.6 ⁇ L was added and cultured.
- the column was previously equilibrated with solvent A (Methanol: 0.05% formic acid aqueous solution: 80:20), the lipid was dissolved in solvent B (2-propanol: 0.05% formic acid methanol solution: 99: 1), and the flow velocity.
- solvent A Methanol: 0.05% formic acid aqueous solution: 80:20
- solvent B 2-propanol: 0.05% formic acid methanol solution: 99: 1
- the mass spectrum was detected in positive mode by electrospray ionization with a gradient of 0.3 mL / min.
- 5 mM ammonium formate was added to both solvents A and B with the aim of buffering and improving sensitivity.
- MS / MS captured the precursor ions m / z [M + H] + of various ceramide components in the first step, collided and decomposed in the second step, and detected the product ion m / z obtained in the third step of decomposition. ..
- the quantification of various ceramide species was performed using Analyst 1.5.1 (manufactured by Applied Biosystems) and quantified by comparison with a calibration curve obtained from an internal standard substance, and calculated as the amount of ceramide in the stratum corneum pmol / g. Table 2 shows the monitoring parameters of various ceramides.
- Example 4 According to a conventional method, 100 g of a ceramide growth skin lotion containing 0.1% by mass of ceramide NDS was produced according to the formulation shown in the table below (unit: mass% in the table).
- Example 5 According to a conventional method, 100 g of a ceramide growth beauty essence containing 0.25% by mass of ceramide NDS was produced according to the formulation shown in the table below (unit: mass% in the table).
- Example 6 100 g of ceramide growth emollient cream containing 0.05% by mass of ceramide NDS was produced according to the formulation shown in the following table (unit: mass% in the table).
- Example 7 According to a conventional method, 100 g of ceramide breeding emollient milk containing 0.05% by mass of ceramide NDS was produced according to the formulation shown in the table below (unit: mass% in the table).
- Example 8 According to a conventional method, 100 g of a ceramide growth conditioning shampoo containing 0.05% by mass of ceramide NDS was produced according to the formulation shown in the table below (unit: mass% in the table).
- Example 9 According to a conventional method, 100 g of a ceramide growth hair rinse containing 0.05% by mass of ceramide NDS was produced according to the formulation shown in the table below (unit: mass% in the table).
- Example 10 According to a conventional method, 100 g of a ceramide growth hair conditioner containing 0.05% by mass of ceramide NDS was produced according to the formulation shown in the table below (unit: mass% in the table).
- Example 11 According to a conventional method, 100 g of hair tonic for ceramide growth containing 0.05% by mass of ceramide NDS was produced according to the formulation shown in the following table (unit: mass% in the table).
- Example 12 According to a conventional method, 100 g of a liquid bath salt for ceramide growth containing 0.05% by mass of ceramide NDS was produced according to the formulation shown in the table below (unit: mass% in the table).
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Abstract
Description
また、セラミドEOS類(図1:CER[EOS])をセラミド1と称し、セラミドNS類(図1:CER[NS])をセラミド2と称し、セラミドNDS類(図1:CER[NDS])をジヒドロセラミド2と称することもある。
即ち、本発明は以下の内容を含むものである。
[1]下記一般式(1)で示されるセラミド類を含有するセラミド増殖促進剤。
[2]前記一般式(1)で示されるセラミド類が、下記一般式(2)で示されるセラミド類である[1]に記載のセラミド増殖促進剤。
[3]前記一般式(1)又は前記一般式(2)におけるR1が炭素数13~21の一価飽和炭化水素基である[1]又は[2]に記載のセラミド増殖促進剤。
[4]コレステロール、フィトステロール、ポリグリセリン脂肪酸エステル、および多価アルコールの何れか1種以上をさらに含有する、[1]~[3]のいずれか1に記載のセラミド増殖促進剤。
[5]前記一般式(1)又は前記一般式(2)におけるR1が炭素数13~21の一価飽和炭化水素基であり、
コレステロール、デカグリセリンモノステアリン酸エステル、ブチレングリコール、およびグリセリンの何れか1種以上と、水とをさらに含有する、[1]~[4]のいずれか1に記載のセラミド増殖促進剤。
[6]増殖するセラミドが、下記一般式(3)で示されるセラミド類である、[1]~[5]のいずれか1に記載のセラミド増殖促進剤。
[7]増殖するセラミドが、下記一般式(4)で示されるセラミド類である[1]~[5]のいずれか1に記載のセラミド増殖促進剤。
[8]分散粒子の直径が0.45μm以下である、[1]~[7]のいずれか1に記載のセラミド増殖促進剤。
[9]脂肪酸及び/又はリン脂質を実質的に含まず、且つ非イオン性成分のみから構成される[1]~[8]のいずれか1に記載のセラミド増殖促進剤。
[10][1]~[9]のいずれか1に記載のセラミド増殖促進剤を含有する、皮膚化粧料、皮膚保護剤、毛髪用組成物、リップケア製剤、皮膚洗浄料、または入浴剤。
[11][1]~[9]のいずれか1に記載のセラミド増殖促進剤の適用により皮膚角層内の多様なセラミド種を増殖及び/または補完させる方法。
で示される公知の化合物である。
で示される光学活性な天然型セラミド類が好ましく用いられる。
尚、本発明のセラミド増殖促進剤は、皮膚・毛髪外用医薬品の製剤の何れの製剤としても適用できる。本発明のセラミド増殖促進剤を含む製剤としては、皮膚化粧料、皮膚保護剤、毛髪用組成物、リップケア製剤、皮膚洗浄料、または入浴剤等が挙げられる。
以下に示す処方に従って、光学純度、化学純度ともに95%以上の(2S,3R)-2-オクタデカノイルアミノオクタデカン-1,3-ジオール(ジヒドロセラミド2=セラミドNDS)を含有するセラミド分散製剤(セラミド組成物)を製造した。
成分(a)からなる脂質成分を約120℃にて均一に溶解後、続いて成分(b)を同温で加え、透明に溶解させた後に予め80~90℃に加温した成分(c)を徐々に滴下した。
成分(a)
セラミドNDS 1.00質量部
コレステロール 0.75質量部
成分(b)
モノミリスチン酸デカグリセリル 4.50質量部
1,3-ブチレングリコール 20.00質量部
グリセリン 10.00質量部
成分(c)
水 63.75質量部
セラミドNDSを含まない以外は実施例1と同じ処方にてセラミド非含有製剤(Placebo=Blk)を調製した。
実施例1のモノミリスチン酸デカグリセリルの代わりにポリオキシエチレン硬化ヒマシ油(HCO60)を使用してセラミド製剤(セラミド組成物)を調製した。
実施例1のモノミリスチン酸デカグリセリルの代わりにポリグリセリル(13)ポリオキシブチレン(14)ステアリルエーテルを使用してセラミド製剤(セラミド組成物)を調製した。
実施例1のセラミドNDSの代わりにセラミドNPを使用したセラミド製剤(セラミド組成物)を調製した。
製造したセラミド製剤を細胞培養試験に供するにあたり、セラミド製剤のリン酸緩衝生理食塩水希釈液をシリンジフィルターでろ過する前およびろ過した後のセラミドの量を定量した。
内部標準溶液はステアリン酸エチル(ナカライテスク製,ナカライ規格特級)約0.40gを精密に秤量し、テトラヒドロフランを加えて溶解し、正確に20mlとして調製した。
検量線は以下の方法で作成した。
(2S,3R)-2-オクタデカノイルアミノオクタデカン-1,3-ジオール標準品(本品をエタノールで3回再結晶し、乾燥したもので、類縁物質を認めないもの)約50gを精密に秤量し、テトラヒドロフランにて50mlにメスアップし標準原液とした。標準原液1ml、2ml及び3mlを正確に秤量し、内部標準溶液1mlを正確に加えた後、メタノールを加えて10mlとしこれらを標準溶液とした。これらの溶液各々20μlにつき、次の操作条件で液体クロマトグラフ法により試験を行い、得られたクロマトグラムから内部標準物質のピーク面積に対する(2S,3R)-2-オクタデカノイルアミノオクタデカン-1,3-ジオールのピーク面積を求めた。この比を縦軸に、内部標準物質の質量に対する(2S,3R)-2-オクタデカノイルアミノオクタデカン-1,3-ジオール標準品の質量の比を横軸にとり、検量線を作成した。
実施例1~3の各セラミド製剤をリン酸緩衝生理食塩水で10倍に希釈した。ろ過前の希釈液と、希釈液をシリンジフィルター(ミリポア製,マイレクス-HVフィルター,0.45μm)にてろ過した希釈液に対して、以下の操作をそれぞれ実施した。希釈液10.0mlを秤量し、ロータリーエバポレーターにて60℃、200~20mmHGまで15分間かけて溶媒を除去した。乾固された試料にテトラヒドロフラン5mlを加え超音波照射後、60℃に加温することで懸濁液を得た。本懸濁液をテトラヒドロフランで10mlにメスアップし、上澄みを2ml、内部標準溶液(内部標準物質:ステアリン酸エチル)を2ml加え、メタノール(和光純薬製,液体クロマトグラフ用)で10mlにメスアップし試験溶液とした。試験溶液20μlにつき、液体クロマトグラフ法により試験を行い、内部標準物質のピーク面積に対する(2S,3R)-2-オクタデカノイルアミノオクタデカン-1,3-ジオールのピーク面積の比を求め、さらに、あらかじめ作成した検量線により質量比を求め、以下の計算式により定量した。
計算式:
(2S,3R)-2-オクタデカノイルアミノオクタデカン-1,3-ジオールの量(mg)=A×検量線より求めた質量比
A:内部標準溶液1ml中の内部標準物質(ステアリン酸エチル)の量(mg)
<ヒトケラチノサイト培養及び製剤添加試験>
未分化と分化後期の培養ヒト角化細胞(KC)を用いて実験を行った。0.07mMカルシウムを含む無血清KC増殖培地で培養し、培養シャーレの全面積の約60-70%までKCが占有(約60-70%コンフルエンス)した時点で細胞を採取し、未分化細胞とした。カルシウムを0.07mM含む無血清KC増殖培地でKCを培養し、培養シャーレの全面積の約70-80%までKCが占有(約70-80%コンフルエンス)した時点で、培地を、カルシウムを1.2mM含む10%ウシ胎児血清、10μg/mLインスリン、0.4μg/mLヒドロコルチゾン、ビタミンCを50μg/mL含むDMEM、及びHam’sF-12(2:1、v/v)に交換し、8日間培養した。次いで、カルシウムを1.2mM含む10%ウシ胎児血清、10μg/mLインスリン、0.4μg/mLヒドロコルチゾン、ビタミンCを50μg/mL含むDMEM培地で3日間培養した細胞を分化後期の培養ヒト角化細胞(LDK)とした。
Day0~10まで10日間、図2の通りの工程にて培養を行い、最終日に各種セラミド類の定量を行った。培養2日目から、4、6、8、9、10日目に実施例1で調製したセラミド製剤(1%セラミドNDS溶液)を培地で希釈し、孔径0.45μmの濾紙でろ過して、それぞれ15.9μL,79.6μL,397.7μL(=10μM,50μM,250μM)を添加した。また、比較例1で調製したセラミドを含まないBlk溶液:79.6μLを添加して培養した。
上記で調製した各培養液100μgと100pmolの内部標準物質混合物(C17(炭素数17)-セラミドNS=N-オクタデカノイルアミノ-C17スフィンゴシン、C17-スフィンゴシン、C17-ジヒドロスフィンゴシン)を0.1N HCl水溶液:クロロホルム:メタノール(容量比1:2:1)の混合液に加えて攪拌後、下層の有機相を減圧下乾燥させ、本抽出乾燥操作を2回繰り返した。得られた残渣を200μlのメタノール/アセトニトリル等量混合液で溶解し、以下の液体クロマトグラフィータンデム質量分析(LC-ESI-MS/MS)システム(API 3200 QTRAP mass、ABCIEX)により分析した。
分析精度の最適化:各セラミド標準物質の混合物(スフィンゴシン塩基の炭素数14~26のセラミドNDS、及びセラミドNS)を使用し、すべてのイオン源パラメーターとイオン化条件を調整して分析精度を最適化した。
10μLの抽出サンプルはHPLC(資生堂製HTS HPLCシステム)にて、逆相KINETEX C18カラム(2.1×50mm、ID=2.6μm)にて分析した。カラムは事前に溶媒A(MeOH:0.05%ギ酸水溶液:80:20)で平衡化し、脂質は溶媒B(2-プロパノール:0.05%ギ酸メタノール溶液:99:1)に溶解し、流速0.3mL/minでグラディエントをかけてエレクトロスプレーイオン化によるポジティブモードでマススペクトルを検出した。尚、溶媒AとBの両方に5mMギ酸アンモニウムを加えて緩衝化と感度向上を目指した。
MS/MSは1段階目で各種セラミド成分の前駆体イオンm/z[M+H]+を捕え、2段階目でコリジョンして分解、3段目の分解で得られるプロダクトイオンm/zを検出した。
各種セラミド種の定量はAnalyst 1.5.1(Applied Biosystems製)を使用し、内部標準物質から得られる検量線との対比により定量化し、角層中のセラミド量pmol/gとして算出した。
各種セラミドのモニタリングパラメータを表2に示す。
セラミドEOS類の定量結果を図3に示す。
図3から明らかなように、セラミドNDSを添加した培養系において、ω位がリノール酸でエステル化された炭素数30及び32のωヒドロキシ酸アミド結合を有するセラミドEOS類が、有意に増加することが確認された。尚、#はセラミドNDS未添加の分化ケラチノサイト培養細胞(LDK)に対して有意差p<0.01であることを示す。
セラミドNS類の定量結果を図4に示す。
図4から明らかなように、セラミドNDSを添加した培養系において、アシル鎖長14~26のアミド結合を有し、且つスフィンゴシン塩基の4位に二重結合を有するセラミドNS類が、有意に増加することが確認された。尚、#はセラミドNDS未添加の分化培養細胞(LDK)に対して有意差p<0.01であり、*は未分化細胞(UDK)に対して有意差p<0.01であることを示す。
セラミドNDS類の定量結果を図5に示す。
図5から明らかなように、セラミドNDSを添加した培養系において、アシル鎖長14~26のアシル鎖長の異なるセラミドNDS類が、有意に増加することが確認された。尚、#はセラミドNDS未添加の分化培養細胞(LDK)に対して有意差p<0.01であり、*は未分化細胞(UDK)に対して有意差p<0.01であることを示す。
尚、比較例2で調製したセラミドNP製剤では有意に多様なセラミド種が増殖する傾向は認められなかった。
常法に従い、下記表(表中の単位:質量%)に示す処方で、セラミドNDSを0.1質量%含有するセラミド増殖用スキンローション100gを製造した。
常法に従い、下記表(表中の単位:質量%)に示す処方で、セラミドNDSを0.25質量%含有するセラミド増殖用美容液100gを製造した。
常法に従い、下記表(表中の単位:質量%)に示す処方で、セラミドNDSを0.05質量%含有するセラミド増殖用エモリエントクリーム100gを製造した。
常法に従い、下記表(表中の単位:質量%)に示す処方で、セラミドNDSを0.05質量%含有するセラミド増殖用エモリエントミルク100gを製造した。
常法に従い、下記表(表中の単位:質量%)に示す処方で、セラミドNDSを0.05質量%含有するセラミド増殖用コンディショニングシャンプー100gを製造した。
常法に従い、下記表(表中の単位:質量%)に示す処方で、セラミドNDSを0.05質量%含有するセラミド増殖用ヘアーリンス100gを製造した。
常法に従い、下記表(表中の単位:質量%)に示す処方で、セラミドNDSを0.05質量%含有するセラミド増殖用ヘアーコンディショナー100gを製造した。
常法に従い、下記表(表中の単位:質量%)に示す処方で、セラミドNDSを0.05質量%含有するセラミド増殖用ヘアートニック100gを製造した。
常法に従い、下記表(表中の単位:質量%)に示す処方で、セラミドNDSを0.05質量%含有するセラミド増殖用液体入浴剤100gを製造した。
Claims (11)
- 前記一般式(1)又は前記一般式(2)におけるR1が炭素数13~21の一価飽和炭化水素基である請求項1又は2に記載のセラミド増殖促進剤。
- コレステロール、フィトステロール、ポリグリセリン脂肪酸エステル、および多価アルコールの何れか1種以上をさらに含有する、請求項1~3のいずれか1項に記載のセラミド増殖促進剤。
- 前記一般式(1)又は前記一般式(2)におけるR1が炭素数13~21の一価飽和炭化水素基であり、
コレステロール、デカグリセリンモノステアリン酸エステル、ブチレングリコール、およびグリセリンの何れか1種以上と、水とをさらに含有する、請求項1~4のいずれか1項に記載のセラミド増殖促進剤。 - 分散粒子の直径が0.45μm以下である、請求項1~7のいずれか1項に記載のセラミド増殖促進剤。
- 脂肪酸及び/又はリン脂質を実質的に含まず、且つ非イオン性成分のみから構成される請求項1~8のいずれか1項に記載のセラミド増殖促進剤。
- 請求項1~9のいずれか1項に記載のセラミド増殖促進剤を含有する、皮膚化粧料、皮膚保護剤、毛髪用組成物、リップケア製剤、皮膚洗浄料、または入浴剤。
- 請求項1~9のいずれか1項に記載のセラミド増殖促進剤の適用により皮膚角層内の多様なセラミド種を増殖及び/または補完させる方法。
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