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Volumn 27, Issue 10, 2010, Pages 2213-2220

Microneedle pre-treatment of human skin improves 5-aminolevulininc acid (ALA)- and 5-aminolevulinic acid methyl ester (MAL)-induced PpIX production for topical photodynamic therapy without increase in pain or erythema

Author keywords

aminolevulinic acid (ALA); aminolevulinic acid methyl ester (MAL); erythema; microneedles (MNs); photodynamic therapy (PDT)

Indexed keywords

AMINOLEVULINIC ACID; AMINOLEVULINIC ACID METHYL ESTER; PROTOPORPHYRIN;

EID: 77957370415     PISSN: 07248741     EISSN: 1573904X     Source Type: Journal    
DOI: 10.1007/s11095-010-0227-2     Document Type: Article
Times cited : (110)

References (40)
  • 1
    • 34249314014 scopus 로고    scopus 로고
    • Photodynamic therapy for non-melanoma skin cancer
    • 1:CAS:528:DC%2BD1cXmtFyhu7Y%3D 17509255
    • SM Fien AR Oseroff 2007 Photodynamic therapy for non-melanoma skin cancer J Natl Compr Canc Netw 5 531 40 1:CAS:528:DC%2BD1cXmtFyhu7Y%3D 17509255
    • (2007) J Natl Compr Canc Netw , vol.5 , pp. 531-40
    • Fien, S.M.1    Oseroff, A.R.2
  • 3
    • 65449116115 scopus 로고    scopus 로고
    • Successful treatment of cutaneous leishmaniasis by photodynamic therapy and cryotherapy
    • 19106047
    • K Pizinger P Cetkovska D Kacerovska M Kumpova 2009 Successful treatment of cutaneous leishmaniasis by photodynamic therapy and cryotherapy Eur J Dermatol 19 172 3 19106047
    • (2009) Eur J Dermatol , vol.19 , pp. 172-3
    • Pizinger, K.1    Cetkovska, P.2    Kacerovska, D.3    Kumpova, M.4
  • 4
    • 15444378248 scopus 로고    scopus 로고
    • Antifungal effect of 5-aminolevulinic acid PDT in Trichophyton rubrum
    • DOI 10.1111/j.1439-0507.2004.01070.x
    • H Kamp HJ Tietz M Lutz, et al. 2005 Antifungal effect of 5-animolevulinic acid PDT in Trychophyton rubrum Mycoses 48 101 7 1:CAS:528:DC%2BD2MXjvFSgt7o%3D 10.1111/j.1439-0507.2004.01070.x 15743426 (Pubitemid 40395477)
    • (2005) Mycoses , vol.48 , Issue.2 , pp. 101-107
    • Kamp, H.1    Tietz, H.-J.2    Lutz, M.3    Piazena, H.4    Sowyrda, P.5    Lademann, J.6    Blume-Peytavi, U.7
  • 6
    • 77249164543 scopus 로고    scopus 로고
    • Photodynamic therapy: New treatment for recelcitrant Malassezia folliculitis
    • 10.1002/lsm.20857 20166153
    • JW Lee BJ Kim MN Kim 2010 Photodynamic therapy: new treatment for recelcitrant Malassezia folliculitis Lasers Surg Med 42 192 6 10.1002/lsm.20857 20166153
    • (2010) Lasers Surg Med , vol.42 , pp. 192-6
    • Lee, J.W.1    Kim, B.J.2    Kim, M.N.3
  • 7
    • 78249241524 scopus 로고    scopus 로고
    • Investigation of optimal ALA concentration applied in topical ALA-PDT for treatment of moderate to severe acne: A pilot study on Chinese people
    • doi: 10.1111/j.1365-2133.2010.09860
    • Yin R, Hao F, Deng J, Yang XC, Yan H. Investigation of optimal ALA concentration applied in topical ALA-PDT for treatment of moderate to severe acne: a pilot study on Chinese people. Br J Dermatol. 2010; doi: 10.1111/j.1365-2133.2010.09860.
    • (2010) Br J Dermatol.
    • Yin, R.1    Hao, F.2    Deng, J.3    Yang, X.C.4    Yan, H.5
  • 8
    • 77955288180 scopus 로고    scopus 로고
    • Factors influencing pain intensity during topical photodynamic therapy of complete cosmetic units for actinic keratoses
    • Gholam P, Denk K, Sehr T, Enk A, Hartmann M. Factors influencing pain intensity during topical photodynamic therapy of complete cosmetic units for actinic keratoses. J Am Acad Dermatol. 2010;63:213-8.
    • (2010) J Am Acad Dermatol. , vol.63 , pp. 213-218
    • Gholam, P.1    Denk, K.2    Sehr, T.3    Enk, A.4    Hartmann, M.5
  • 10
    • 0030064075 scopus 로고    scopus 로고
    • Dosimetry model for photodynamic therapy with topically administered photosensitizers
    • DOI 10.1002/(SICI)1096-9101(1996)18:2<139::AID-LSM3>3.0.CO;2-T
    • LO Svaasand P Wyss MT Wyss Y Tadir BJ Tromberg MW Berns 1996 Dosimetry model for photodynamic therapy with topically administered photosensitizers Lasers Surg Med 18 139 49 1:STN:280:DyaK28vjtVWmtg%3D%3D 10.1002/(SICI)1096- 9101(1996)18:2<139::AID-LSM3>3.0.CO;2-T 8833282 (Pubitemid 26063005)
    • (1996) Lasers in Surgery and Medicine , vol.18 , Issue.2 , pp. 139-149
    • Svaasand, L.O.1    Wyss, P.2    Wyss, M.-T.3    Tadir, Y.4    Tromberg, B.J.5    Berns, M.W.6
  • 11
    • 0034335291 scopus 로고    scopus 로고
    • Topical application of 5-aminolevulinic acid hexyl ester and 5-aminolevulinic acid to normal nude mouse skin: Differences in protoporphyrin IX fluorescence kinetics and the role of the stratum corneum
    • 10.1562/0031-8655(2000)072<0681:TAOAAH>2.0.CO;2 11107855
    • JT van den Akker V Iani WM Star HJ Sterenborg J Moan 2000 Topical application of 5-aminolevulinic acid hexyl ester and 5-aminolevulinic acid to normal nude mouse skin: differences in protoporphyrin IX fluorescence kinetics and the role of the stratum corneum Photochem Photobiol 72 681 9 10.1562/0031-8655(2000)072<0681:TAOAAH>2.0.CO;2 11107855
    • (2000) Photochem Photobiol , vol.72 , pp. 681-9
    • Van Den Akker, J.T.1    Iani, V.2    Star, W.M.3    Sterenborg, H.J.4    Moan, J.5
  • 12
    • 24644507024 scopus 로고    scopus 로고
    • Drug delivery of aminolevulinic acid from topical formulations intended for photodynamic therapy
    • DOI 10.1562/2004-08-23-IR-283R1.1
    • RF Donnelly PA McCarron AD Woolfson 2005 Drug delivery of aminolevulinic acid from topical formulations intended for photodynamic therapy Photochem Photobiol 81 750 67 1:CAS:528:DC%2BD2MXpsFalsbc%3D 10.1562/2004-08-23-IR-283R1.1 15790300 (Pubitemid 41265037)
    • (2005) Photochemistry and Photobiology , vol.81 , Issue.4 , pp. 750-767
    • Donnelly, R.F.1    McCarron, P.A.2    Woolfson, A.D.3
  • 13
    • 33748917654 scopus 로고    scopus 로고
    • Photodynamic therapy induces less pain in patients treated with methyl aminolevulinate compared to aminolevulinic acid
    • 1:STN:280:DC%2BD283ltVSitg%3D%3D 16673803
    • A Kasche S Luderschmidt J Ring R Hein 2006 Photodynamic therapy induces less pain in patients treated with methyl aminolevulinate compared to aminolevulinic acid J Drugs Dermatol 5 353 6 1:STN:280:DC%2BD283ltVSitg%3D%3D 16673803
    • (2006) J Drugs Dermatol , vol.5 , pp. 353-6
    • Kasche, A.1    Luderschmidt, S.2    Ring, J.3    Hein, R.4
  • 14
    • 0141819282 scopus 로고    scopus 로고
    • Pain associated with photodynamic therapy using 5-aminolevulinic acid or 5-aminolevulinic acid methylester on tape-stripped normal skin
    • DOI 10.1001/archderm.139.9.1173
    • SR Wiegell IM Stender R Na HC Wulf 2003 Pain associated with photodynamic therapy using 5-aminolevulinic acid or 5-aminolevulinic acid methylester on tape-stripped normal skin Arch Dermatol 139 1173 7 1:CAS:528: DC%2BD3sXotVegs7Y%3D 10.1001/archderm.139.9.1173 12975159 (Pubitemid 37128379)
    • (2003) Archives of Dermatology , vol.139 , Issue.9 , pp. 1173-1177
    • Wiegell, S.R.1    Stender, I.-M.2    Na, R.3    Wulf, H.C.4
  • 15
    • 33645012695 scopus 로고    scopus 로고
    • Photodynamic therapy of acne vulgaris using 5-aminolevulinic acid versus methyl aminolevulinate
    • 10.1016/j.jaad.2005.12.033 16546587
    • SR Wiegell HC Wulf 2006 Photodynamic therapy of acne vulgaris using 5-aminolevulinic acid versus methyl aminolevulinate J Am Acad Dermatol 54 647 51 10.1016/j.jaad.2005.12.033 16546587
    • (2006) J Am Acad Dermatol , vol.54 , pp. 647-51
    • Wiegell, S.R.1    Wulf, H.C.2
  • 16
    • 33750940171 scopus 로고    scopus 로고
    • Similar effectiveness of methyl aminolevulinate and 5-aminolevulinate in topical photodynamic therapy for nodular basal cell carcinoma
    • 16865869
    • DI Kuijpers MR Thissen CA Thissen MH Neumann 2006 Similar effectiveness of methyl aminolevulinate and 5-aminolevulinate in topical photodynamic therapy for nodular basal cell carcinoma J Drugs Dermatol 5 642 5 16865869
    • (2006) J Drugs Dermatol , vol.5 , pp. 642-5
    • Kuijpers, D.I.1    Thissen, M.R.2    Thissen, C.A.3    Neumann, M.H.4
  • 17
    • 47349128121 scopus 로고    scopus 로고
    • Microneedle-mediated intradermal delivery of 5-aminolevulinic acid: Potential for enhanced topical photodynamic therapy
    • Donnelly RF, Morrow DIJ, McCarron PA, et al. Microneedle-mediated intradermal delivery of 5-aminolevulinic acid: potential for enhanced topical photodynamic therapy. J Control Release 2008;129:154-62.
    • (2008) J Control Release , vol.129 , pp. 154-162
    • Donnelly, R.F.1    Dij, M.2    McCarron, P.A.3
  • 18
    • 68649123864 scopus 로고    scopus 로고
    • Delivery of methylene blue and meso-tetra (N-methyl-4-pyridyl) porphine tetra tosylate from cross-linked poly(vinyl alcohol) hydrogels: A potential means of photodynamic therapy of infected wounds
    • 1:CAS:528:DC%2BD1MXhtVenu7fN 10.1016/j.jphotobiol.2009.06.010 19651522
    • RF Donnelly CM Cassidy RG Loughlin, et al. 2009 Delivery of methylene blue and meso-tetra (N-methyl-4-pyridyl) porphine tetra tosylate from cross-linked poly(vinyl alcohol) hydrogels: a potential means of photodynamic therapy of infected wounds J Photochem Photobiol B 96 223 31 1:CAS:528:DC%2BD1MXhtVenu7fN 10.1016/j.jphotobiol.2009.06.010 19651522
    • (2009) J Photochem Photobiol B , vol.96 , pp. 223-31
    • Donnelly, R.F.1    Cassidy, C.M.2    Loughlin, R.G.3
  • 20
    • 70350215864 scopus 로고    scopus 로고
    • Microneedle arrays allow lower microbial penetration than hypodermic needles in vitro
    • Donnelly RF, Singh TR., Tunney MM, et al. Microneedle arrays allow lower microbial penetration than hypodermic needles in vitro. Pharm Res. 2009;26:2513-22.
    • (2009) Pharm Res. , vol.26 , pp. 2513-2522
    • Donnelly, R.F.1    Singh, T.R.2    Tunney, M.M.3
  • 21
    • 59949083746 scopus 로고    scopus 로고
    • Clinical administration of microneedles: Skin puncture, pain and sensation
    • 1:STN:280:DC%2BD1M7hvVKntA%3D%3D 10.1007/s10544-008-9208-1 18663579
    • MI Haq E Smith DN John, et al. 2009 Clinical administration of microneedles: skin puncture, pain and sensation Biomed Microdevices 11 35 47 1:STN:280:DC%2BD1M7hvVKntA%3D%3D 10.1007/s10544-008-9208-1 18663579
    • (2009) Biomed Microdevices , vol.11 , pp. 35-47
    • Haq, M.I.1    Smith, E.2    John, D.N.3
  • 22
    • 50449085359 scopus 로고    scopus 로고
    • In vivo assessment of safety of microneedle arrays in human skin
    • 1:CAS:528:DC%2BD1cXhtVyltrzK 10.1016/j.ejps.2008.06.016 18657610
    • SM Bal J Caussin S Pavel JA Bouwstra 2008 In vivo assessment of safety of microneedle arrays in human skin Eur J Pharm Sci 35 193 202 1:CAS:528:DC%2BD1cXhtVyltrzK 10.1016/j.ejps.2008.06.016 18657610
    • (2008) Eur J Pharm Sci , vol.35 , pp. 193-202
    • Bal, S.M.1    Caussin, J.2    Pavel, S.3    Bouwstra, J.A.4
  • 23
    • 0035174989 scopus 로고    scopus 로고
    • Testing for irritation with a multifactorial approach: Comparison of eight non-invasive measuring techniques on five different irritation types
    • DOI 10.1046/j.1365-2133.2001.04431.x
    • JW Fluhr O Kuss T Diepgen, et al. 2001 Testing for irritation with a multifactorial approach: comparison of eight non-invasive measuring techniques on five different irritation types Br J Dermatol 145 696 703 1:STN:280:DC%2BD3MnpsVCntA%3D%3D 10.1046/j.1365-2133.2001.04431.x 11736891 (Pubitemid 33078338)
    • (2001) British Journal of Dermatology , vol.145 , Issue.5 , pp. 696-703
    • Fluhr, J.W.1    Kuss, O.2    Diepgen, T.3    Lazzerini, S.4    Pelosi, A.5    Gloor, M.6    Berardesca, E.7
  • 24
    • 0032946846 scopus 로고    scopus 로고
    • Pain and mechanical injury of human skin following needle insertions
    • DOI 10.1016/S1090-3801(99)90187-8
    • H Egekvist P Bjerring L Arendt-Nielsen 1999 Pain and mechanical injury of human skin following needle insertions Eur J Pain 3 41 9 10.1016/S1090-3801(99) 90187-8 10700336 (Pubitemid 29166621)
    • (1999) European Journal of Pain , vol.3 , Issue.1 , pp. 41-49
    • Egekvist, H.1    Bjerring, P.2    Arendt-Nielsen, L.3
  • 25
    • 0023926924 scopus 로고
    • Hairless mouse skin is limited as a model for assessing the effects of penetration enhancers in human skin
    • 1:CAS:528:DyaL1cXksl2mu7k%3D 10.1111/1523-1747.ep12462031 3373011
    • JR Bond BW Barry 1988 Hairless mouse skin is limited as a model for assessing the effects of penetration enhancers in human skin J Invest Dermatol 90 810 3 1:CAS:528:DyaL1cXksl2mu7k%3D 10.1111/1523-1747.ep12462031 3373011
    • (1988) J Invest Dermatol , vol.90 , pp. 810-3
    • Bond, J.R.1    Barry, B.W.2
  • 26
    • 77953328506 scopus 로고    scopus 로고
    • Photodynamic therapy with methyl 5-aminolevulinate acid combined with microneedle treatment in patients with extensive alopecia areata
    • Lee JW, Yoo KH, Kim BJ, Kim MN. Photodynamic therapy with methyl 5-aminolevulinate acid combined with microneedle treatment in patients with extensive alopecia areata. Clin Exp Dermatol. 2010;35:548-9.
    • (2010) Clin Exp Dermatol , vol.35 , pp. 548-549
    • Lee, J.W.1    Yoo, K.H.2    Kim, B.J.3    Kim, M.N.4
  • 27
    • 0037485645 scopus 로고    scopus 로고
    • Topical photodynamic therapy: A new tool in cosmetic dermatology
    • 10.1053/sder.2003.50012 12877231
    • DJ Touma BA Gilchrest 2003 Topical photodynamic therapy: a new tool in cosmetic dermatology Semin Cutan Med Surg 22 124 30 10.1053/sder.2003.50012 12877231
    • (2003) Semin Cutan Med Surg , vol.22 , pp. 124-30
    • Touma, D.J.1    Gilchrest, B.A.2
  • 28
    • 78651261187 scopus 로고    scopus 로고
    • Design, optimization and characterisation of polymeric microneedle arrays prepared by a novel laser-based micromoulding technique
    • doi: 10.1007/s11095-010-0169-8
    • Donnelly RF, Majithiya R, Thakur RRS, et al. Design, optimization and characterisation of polymeric microneedle arrays prepared by a novel laser-based micromoulding technique. Pharm Res. 2009; doi: 10.1007/s11095-010-0169-8.
    • (2009) Pharm Res.
    • Donnelly, R.F.1    Majithiya, R.2    Rrs, T.3
  • 30
    • 0033793597 scopus 로고    scopus 로고
    • Skin color measurements: Comparison between three instruments: The ChromameterA, the DermaSpectrometerA and the MexameterA
    • 10.1034/j.1600-0846.2000.006004230.x 11428962
    • P Clarys K Alewaeters R Lambrecht AO Barel 2000 Skin color measurements: comparison between three instruments: the ChromameterA, the DermaSpectrometerA and the MexameterA Skin Res Technol 6 230 8 10.1034/j.1600-0846.2000.006004230.x 11428962
    • (2000) Skin Res Technol , vol.6 , pp. 230-8
    • Clarys, P.1    Alewaeters, K.2    Lambrecht, R.3    Barel, A.O.4
  • 31
    • 55749108348 scopus 로고    scopus 로고
    • Transdermal drug delivery
    • 1:CAS:528:DC%2BD1cXhtlCktrrF 10.1038/nbt.1504 18997767
    • MR Prausnitz S Luderschmidt 2008 Transdermal drug delivery Nat Biotechnol 26 1261 8 1:CAS:528:DC%2BD1cXhtlCktrrF 10.1038/nbt.1504 18997767
    • (2008) Nat Biotechnol , vol.26 , pp. 1261-8
    • Prausnitz, M.R.1    Luderschmidt, S.2
  • 32
    • 84934440758 scopus 로고    scopus 로고
    • Transdermal drug delivery systems: Skin perturbation devices
    • 1:CAS:528:DC%2BD1cXkslOhtLc%3D 10.1007/978-1-59745-210-6-5 18369965
    • MB Brown MJ Traynor GP Martin FK Akomeah 2008 Transdermal drug delivery systems: skin perturbation devices Methods Mol Biol 437 119 39 1:CAS:528:DC%2BD1cXkslOhtLc%3D 10.1007/978-1-59745-210-6-5 18369965
    • (2008) Methods Mol Biol , vol.437 , pp. 119-39
    • Brown, M.B.1    Traynor, M.J.2    Martin, G.P.3    Akomeah, F.K.4
  • 33
    • 0027236841 scopus 로고
    • Transdermal drug delivery by passive diffusion and iontophoresis: A review
    • 1:CAS:528:DyaK3sXmtleksbo%3D 10.1002/med.2610130504 8412408
    • S Singh J Singh 1993 Transdermal drug delivery by passive diffusion and iontophoresis: a review Med Res Rev 13 569 621 1:CAS:528:DyaK3sXmtleksbo%3D 10.1002/med.2610130504 8412408
    • (1993) Med Res Rev , vol.13 , pp. 569-621
    • Singh, S.1    Singh, J.2
  • 34
    • 0034880643 scopus 로고    scopus 로고
    • Passive skin penetration enhancement and its quantification in vitro
    • DOI 10.1016/S0939-6411(01)00166-7, PII S0939641101001667
    • K Moser K Kriwet A Naik YN Kalia RH Guy 2001 Passive skin penetration enhancement and its quantification in vitro Eur J Pharm Biopharm 52 103 12 1:CAS:528:DC%2BD3MXmtV2kt7Y%3D 10.1016/S0939-6411(01)00166-7 11522474 (Pubitemid 32755887)
    • (2001) European Journal of Pharmaceutics and Biopharmaceutics , vol.52 , Issue.2 , pp. 103-112
    • Moser, K.1    Kriwet, K.2    Naik, A.3    Kalia, Y.N.4    Guy, R.H.5
  • 35
    • 0033989789 scopus 로고    scopus 로고
    • Epidermal cytokines in experimental contact dermatitis
    • DOI 10.1016/S0300-483X(99)00145-6, PII S0300483X99001456
    • E Corsini CL Galli 2000 Epidermal cytokines in experimental contact dermatitis Toxicology 142 203 11 1:CAS:528:DC%2BD3cXnvVOk 10.1016/S0300-483X(99) 00145-6 10667891 (Pubitemid 30009871)
    • (2000) Toxicology , vol.142 , Issue.3 , pp. 203-211
    • Corsini, E.1    Galli, C.L.2
  • 36
    • 0034658123 scopus 로고    scopus 로고
    • Depletion of tumor oxygenation during photodynamic therapy: Detection by the hypoxia marker EF3 [2-(2-nitroimidazol-1[H]-yl)-N-(3, 3, 3-trifluoropropyl)acetamide]
    • 1:CAS:528:DC%2BD3cXjsF2gtL4%3D 10825135
    • TM Busch SM Hahn SM Evans CJ Koch 2000 Depletion of tumor oxygenation during photodynamic therapy: detection by the hypoxia marker EF3 [2-(2-nitroimidazol-1[H]-yl)-N-(3, 3, 3-trifluoropropyl)acetamide] Cancer Res 60 2636 42 1:CAS:528:DC%2BD3cXjsF2gtL4%3D 10825135
    • (2000) Cancer Res , vol.60 , pp. 2636-42
    • Busch, T.M.1    Hahn, S.M.2    Evans, S.M.3    Koch, C.J.4
  • 37
    • 33745685637 scopus 로고    scopus 로고
    • Local physiological changes during photodynamic therapy
    • Busch TM. Local physiological changes during photodynamic therapy. Lasers Surg Med. 2006;38:494-9.
    • (2006) Lasers Surg Med. , vol.38 , pp. 494-499
    • Busch, T.M.1
  • 38
    • 0035142406 scopus 로고    scopus 로고
    • Lack of pain associated with microfabricated microneedles
    • 1:STN:280:DC%2BD3M7ktFCqtA%3D%3D 10.1097/00000539-200102000-00041 11159258
    • S Kaushik AH Hord DD Denson, et al. 2001 Lack of pain associated with microfabricated microneedles Anesth Analg 92 502 4 1:STN:280: DC%2BD3M7ktFCqtA%3D%3D 10.1097/00000539-200102000-00041 11159258
    • (2001) Anesth Analg , vol.92 , pp. 502-4
    • Kaushik, S.1    Hord, A.H.2    Denson, D.D.3
  • 39
    • 0031852494 scopus 로고    scopus 로고
    • Microfabricated microneedles: A novel approach to transdermal drug delivery
    • DOI 10.1021/js980042+
    • S Henry DV McAllister MG Allen MR Prausnitz 1998 Microfabricated microneedles: a novel approach to transdermal drug delivery J Pharm Sci 87 922 5 1:CAS:528:DyaK1cXkvVGktrw%3D 10.1021/js980042+ 9687334 (Pubitemid 28381247)
    • (1998) Journal of Pharmaceutical Sciences , vol.87 , Issue.8 , pp. 922-925
    • Henry, S.1    McAllister, D.V.2    Allen, M.G.3    Prausnitz, M.R.4
  • 40
    • 25444443373 scopus 로고    scopus 로고
    • Stability of 5-aminolevulinic acid in novel non-aqueous gel and patch-type systems intended for topical application
    • DOI 10.1002/jps.20393
    • PA McCarron RF Donnelly AD Andrews AD Woolfson 2005 Stability of 5-aminolevulinic acid in novel non-aqueous gel and patch-type systems intended for topical application J Pharm Sci 94 1756 71 1:CAS:528:DC%2BD2MXnvVWnu7k%3D 10.1002/jps.20393 15986458 (Pubitemid 41360870)
    • (2005) Journal of Pharmaceutical Sciences , vol.94 , Issue.8 , pp. 1756-1771
    • McCarron, P.A.1    Donnelly, R.F.2    Andrews, G.P.3    Woolfson, A.D.4


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