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Okahashi K, Oiso N, Ishii N, Miyake M, Uchida S, Matsuda H, Kitano M, Hida J, Kawai S, Sano A, Hashimoto T, Kawada A. Paraneoplastic pemphigus associated with Castleman disease: progression from mucous to mucocutaneous lesions with epitope-spreading phenomena. Br J Dermatol 2017; 176:1406-1409. [DOI: 10.1111/bjd.15389] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K. Okahashi
- Department of Dermatology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - N. Oiso
- Department of Dermatology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - N. Ishii
- Department of Dermatology; Kurume University School of Medicine; Kurume Japan
| | - M. Miyake
- Department of Dermatology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - S. Uchida
- Department of Dermatology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - H. Matsuda
- Department of Dermatology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - M. Kitano
- Department of Otolaryngology - Head and Neck Surgery; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - J. Hida
- Department of Surgery; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - S. Kawai
- Department of Neurology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - A. Sano
- Department of Respiratory Medicine and Allergology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - T. Hashimoto
- Kurume University Institute of Cutaneous Cell Biology; Kurume Japan
| | - A. Kawada
- Department of Dermatology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
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Oiso N, Kawada A. Hypomelanosis of Ito (pigmentary mosaicism of the hypopigmented type) with endoplasmic reticulum stress in melanocytes. J Eur Acad Dermatol Venereol 2016; 31:e77-e79. [DOI: 10.1111/jdv.13737] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- N. Oiso
- Department of Dermatology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
| | - A. Kawada
- Department of Dermatology; Kindai University Faculty of Medicine; Osaka-Sayama Japan
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Nagai H, Oiso N, Tomida S, Sakai K, Fujiwara S, Nakamachi Y, Kawano S, Kawada A, Nishio K, Nishigori C. Epidermolysis bullosa simplex with mottled pigmentation with noncicatricial alopecia: identification of a recurrent p.P25L mutation inKRT5in four affected family members. Br J Dermatol 2015; 174:633-5. [DOI: 10.1111/bjd.14083] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- H. Nagai
- Division of Dermatology; Department of Internal Medicine; Kobe University Graduate School of Medicine; 7-5-1 Kusunoki-cho, Chuo-ku Kobe 650-0017 Japan
| | - N. Oiso
- Department of Dermatology; Kinki University Faculty of Medicine; Osaka-Sayama Japan
| | - S. Tomida
- Department of Genome Biology; Kinki University Faculty of Medicine; Osaka-Sayama Japan
| | - K. Sakai
- Department of Genome Biology; Kinki University Faculty of Medicine; Osaka-Sayama Japan
| | - S. Fujiwara
- Division of Dermatology; Department of Internal Medicine; Kobe University Graduate School of Medicine; 7-5-1 Kusunoki-cho, Chuo-ku Kobe 650-0017 Japan
| | - Y. Nakamachi
- Department of Clinical Laboratory; Kobe University Hospital; Kobe Japan
| | - S. Kawano
- Division of Laboratory Medicine; Department of Internal Medicine; Kobe University Graduate School of Medicine; 7-5-1 Kusunoki-cho, Chuo-ku Kobe 650-0017 Japan
| | - A. Kawada
- Department of Dermatology; Kinki University Faculty of Medicine; Osaka-Sayama Japan
| | - K. Nishio
- Department of Genome Biology; Kinki University Faculty of Medicine; Osaka-Sayama Japan
| | - C. Nishigori
- Division of Dermatology; Department of Internal Medicine; Kobe University Graduate School of Medicine; 7-5-1 Kusunoki-cho, Chuo-ku Kobe 650-0017 Japan
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Arase N, Wataya-Kaneda M, Oiso N, Arase H, Katayama I. CD1a-positive familial cutaneous mastocytosis without germ-line or somatic mutations in c-kit. Br J Dermatol 2013; 169:201-4. [DOI: 10.1111/bjd.12265] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- N. Arase
- Department of Dermatology; Graduate School of Medicine; Osaka University; 2-2, Yamadaoka Suita Osaka 565-0871 Japan
| | - M. Wataya-Kaneda
- Department of Dermatology; Graduate School of Medicine; Osaka University; 2-2, Yamadaoka Suita Osaka 565-0871 Japan
| | - N. Oiso
- Department of Dermatology; Faculty of Medicine; Kinki University; Osakasasayama Japan
| | - H. Arase
- Laboratory of Immunochemistry; WPI Immunology Frontier Research Center; Department of Immunochemistry; Research Institute for Microbial Diseases; Osaka University; Suita Japan
- Core Research for Evolutional Science and Technology; Japan Science and Technology Agency; Kawaguchi Japan
| | - I. Katayama
- Department of Dermatology; Graduate School of Medicine; Osaka University; 2-2, Yamadaoka Suita Osaka 565-0871 Japan
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Makino T, Yanagihara M, Oiso N, Mizawa M, Shimizu T. Repigmentation of the epidermis around the acrosyringium in piebald skin: an ultrastructural examination. Br J Dermatol 2013; 168:910-2. [DOI: 10.1111/bjd.12116] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ezzedine K, Lim HW, Suzuki T, Katayama I, Hamzavi I, Lan CCE, Goh BK, Anbar T, Silva de Castro C, Lee AY, Parsad D, van Geel N, Le Poole IC, Oiso N, Benzekri L, Spritz R, Gauthier Y, Hann SK, Picardo M, Taieb A. Revised classification/nomenclature of vitiligo and related issues: the Vitiligo Global Issues Consensus Conference. Pigment Cell Melanoma Res 2012; 25:E1-13. [PMID: 22417114 PMCID: PMC3511780 DOI: 10.1111/j.1755-148x.2012.00997.x] [Citation(s) in RCA: 359] [Impact Index Per Article: 29.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
During the 2011 International Pigment Cell Conference (IPCC), the Vitiligo European Taskforce (VETF) convened a consensus conference on issues of global importance for vitiligo clinical research. As suggested by an international panel of experts, the conference focused on four topics: classification and nomenclature; definition of stable disease; definition of Koebner's phenomenon (KP); and 'autoimmune vitiligo'. These topics were discussed in seven working groups representing different geographical regions. A consensus emerged that segmental vitiligo be classified separately from all other forms of vitiligo and that the term 'vitiligo' be used as an umbrella term for all non-segmental forms of vitiligo, including 'mixed vitiligo' in which segmental and non-segmental vitiligo are combined and which is considered a subgroup of vitiligo. Further, the conference recommends that disease stability be best assessed based on the stability of individual lesions rather than the overall stability of the disease as the latter is difficult to define precisely and reliably. The conference also endorsed the classification of KP for vitiligo as proposed by the VETF (history based, clinical observation based, or experimentally induced). Lastly, the conference agreed that 'autoimmune vitiligo' should not be used as a separate classification as published evidence indicates that the pathophysiology of all forms of vitiligo likely involves autoimmune or inflammatory mechanisms.
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Affiliation(s)
- K Ezzedine
- Department of Dermatology and Pediatric Dermatology; National Centre for Rare Skin Disorders, Hôpital Pellegrin, Bordeaux, France.
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Takeda M, Okamoto I, Tsurutani J, Oiso N, Kawada A, Nakagawa K. Clinical Impact of Switching to a Second EGFR-TKI After a Severe AE Related to a First EGFR-TKI in EGFR-mutated NSCLC. Jpn J Clin Oncol 2012; 42:528-33. [DOI: 10.1093/jjco/hys042] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Oiso N, Nakano A, Yano Y, Kawada A. The diagnostic usefulness of dermoscopy for identifying six-legged larval ticks. Ticks Tick Borne Dis 2011; 1:197-8. [PMID: 21771529 DOI: 10.1016/j.ttbdis.2010.09.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2010] [Revised: 09/23/2010] [Accepted: 09/27/2010] [Indexed: 11/19/2022]
Abstract
Ticks are vectors of a variety of diseases such as Lyme disease and Japanese spotted fever. We examined an 87-year-old female with multiple tick bites by at least 236 larval Amblyomma testudinarium infestations. Numerous tick bites are generally caused by the six-legged larvae, which were verified in this case by dermoscopy. The present case indicates the diagnostic usefulness of dermoscopy for six-legged larval tick bites.
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Affiliation(s)
- N Oiso
- Dept. of Dermatology, Kinki University Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan.
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Oiso N, Yudate T, Kawara S, Kawada A. Successful treatment of lichen amyloidosus associated with atopic dermatitis using a combination of narrowband ultraviolet B phototherapy, topical corticosteroids and an antihistamine. Clin Exp Dermatol 2009; 34:e833-6. [DOI: 10.1111/j.1365-2230.2009.03574.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Oiso N, Kishida K, Fukai K, Motokawa T, Hosomi N, Suzuki T, Mitsuhashi Y, Tsuboi R, Kawada A. A Japanese piebald patient with auburn hair colour associated with a novel mutation p.P832L in the KIT gene and a homozygous variant p.I120T in the MC1R gene. Br J Dermatol 2009; 161:468-9. [PMID: 19416250 DOI: 10.1111/j.1365-2133.2009.09138.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- N Oiso
- Department of Dermatology, Kinki University School of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka, Japan.
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Oiso N, Kawara S, Kawada A. The effectiveness of narrowband ultraviolet B on hypertrophic scar in a patient having an isomorphic phenomenon and vitiligo. J Eur Acad Dermatol Venereol 2008; 22:1003-4. [DOI: 10.1111/j.1468-3083.2007.02448.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Oiso N, Amatsu A, Kawara S, Kawada A. Pigmentary mosaicism with hyperpigmented streaks on the palmoplantar lesion associated with balanced X; autosome translocations t(X; 9)(p11.21; q34.1). J Eur Acad Dermatol Venereol 2008; 23:359-61. [PMID: 18637861 DOI: 10.1111/j.1468-3083.2008.02861.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Oiso N, Kawara S, Kawada A. Focal palmoplantar keratoderma with epidermolytic degeneration. J Eur Acad Dermatol Venereol 2008; 23:570-1. [PMID: 18554216 DOI: 10.1111/j.1468-3083.2008.02857.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Oiso N, Kawara S, Kawada A. The effectiveness of narrowband ultraviolet B on hypertrophic scar in a patient having an isomorphic phenomenon and vitiligo. J Eur Acad Dermatol Venereol 2008. [DOI: 10.1111/j.1468-3083.2008.02448.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Oiso N, Tsuruta D, Imanishi H, Amatsu A, Kobayashi H, Kawara S, Kawada A. Spotted hyperpigmentation: disfigured melanosomes in melanocytes and keratinocytes. J Eur Acad Dermatol Venereol 2008; 22:876-8. [PMID: 18435733 DOI: 10.1111/j.1468-3083.2007.02415.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Oiso N, Kawara S, Kawada A. Burn caused by isopentane and liquefied petroleum gas in an insecticide. J Eur Acad Dermatol Venereol 2008; 23:170-1. [DOI: 10.1111/j.1468-3083.2008.02754.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Oiso N, Iba Y, Kawara S, Kawada A. Halo phenomenon in neurofibromas and generalized vitiligo in a patient with neurofibromatosis type 1. Clin Exp Dermatol 2007; 32:207-8. [PMID: 17342800 DOI: 10.1111/j.1365-2230.2006.02277.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Oiso N, Tsuruta D, Ota T, Kobayashi H, Kawada A. Spotted and rippled reticulate hypermelanosis: a possible variant of Dowling?Degos disease. Br J Dermatol 2007; 156:196-8. [PMID: 17199603 DOI: 10.1111/j.1365-2133.2006.07592.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kajimoto A, Oiso N, Fukai K, Ishii M. Bilateral segmental neurofibromatosis with gastric carcinoma. Clin Exp Dermatol 2006; 32:43-4. [PMID: 16939586 DOI: 10.1111/j.1365-2230.2006.02247.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Neurofibromatosis type 1 (NF1) is an autosomal-dominant disorder characterized by café-au-lait spots, neurofibromas, intertriginous freckles, and Lisch nodules in the iris. Segmental neurofibromatosis is fundamentally a mosaic variant of NF1. A 66-year-old man visited us with bilateral segmental neurofibromatosis (SN) on the torso. He had multiple neurofibromas on the back bilaterally and on the right abdomen, and partial unilateral lentiginosis on the left abdomen and left back. The patient had noticed the development of papules and nodules on the right abdomen and bilaterally on the back 6 years previously, and had been diagnosed with early gastric carcinoma 5 years previously. To our knowledge, this is only the third reported case of SN associated with internal malignant tumours.
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Affiliation(s)
- A Kajimoto
- Department of Dermatology, Saiseikai Tondabayashi Hospital, Osaka, Japan
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Abstract
We report a case of acquired smooth muscle hamartoma (ASMH) of tunica dartos, believed to be only the fifth so far reported. A 24-year-old man had a 6-month history of an asymptomatic tight and thickened scrotum. The skin was difficult to pinch. A biopsy specimen from the skin showed increased and proliferated smooth-muscle bundles composed of well-differentiated and uniform spindle cells that showed typical features of acquired smooth muscle hamartoma. Interestingly, dilatations of the lymph vessels were noted in the upper dermis above the proliferated smooth muscles. It has been reported recently that long-standing severe lymphoedema may cause histological features mimicking ASMH. As the present case was not preceded by oedema of the scrotum, we consider this case to be true ASMH.
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Affiliation(s)
- N Oiso
- Department of Dermatology, Saiseikai Tondabayashi Hospital, Japan.
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Oiso N, Mizuno N, Fukai K, Nakagawa K, Ishii M. Mild phenotype of familial cylindromatosis associated with an R758X nonsense mutation in the CYLD tumour suppressor gene. Br J Dermatol 2005; 151:1084-6. [PMID: 15541090 DOI: 10.1111/j.1365-2133.2004.06231.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Familial cylindromatosis is a rare dominantly inherited disease characterized by the development of multiple benign tumours of the skin appendages, including cylindromas, trichoepitheliomas and spiradenomas. The gene responsible was positionally cloned recently, and was designated CYLD. We describe a family with cylindromatosis, in which affected individuals have an inherited R758X nonsense mutation of CYLD. Affected members of this family manifest a relatively mild tumour phenotype; the largest tumour was only 30 mm in diameter. Thus far, there is no evident genotype-phenotype relationship in cylindromatosis, although the number of families reported with both phenotypic and genotypic data remains small.
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Affiliation(s)
- N Oiso
- Department of Dermatology, Saiseikai Tondabayashi Hospital, 1-3-36 Koyodai, Tondabayashi, Osaka 584-0082, Japan.
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Hosomi N, Fukai K, Oiso N, Kato A, Fukui M, Ishii M. No association between atopic dermatitis and the SLC9A3R1-NAT9 RUNX1 binding site polymorphism in Japanese patients. Clin Exp Dermatol 2005; 30:192-3. [PMID: 15725257 DOI: 10.1111/j.1365-2230.2005.01720.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Affiliation(s)
- N Oiso
- Department of Dermatology, Saiseikai Tondabayashi Hospital, 1-3-36 Koyodai, Tondabayashi, Osaka 584-0082, Japan.
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Fukai K, Hosomi N, Oiso N, Kato A, Ishii M, Kunimoto H, Nakajima K. Proximal promoter polymorphisms of the interleukin-4 receptor alpha are associated with psoriasis in Japan: inverse association pattern compared with atopic dermatitis. J Dermatol Sci 2004; 35:78-80. [PMID: 15194153 DOI: 10.1016/j.jdermsci.2004.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2004] [Indexed: 11/25/2022]
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Abstract
A 62-year-old Japanese man presented with multiple small atrophic macules on the trunk and extremities. The lesions were discrete, oval in shape and enclosed by lilac ring. They were distributed in a Christmas tree distribution, reminiscent of pityriasis rosea. Skin biopsy showed increased collagen fibres in the dermis and invading subcutaneous tissue. The clinico-pathological features were consistent with guttate morphoea, a rare variant of localized scleroderma. Serological tests revealed a positive reaction to human T-cell lymphoma/lymphotropic virus type-1 infection.
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Affiliation(s)
- N Oiso
- Department of Dermatology, Osaka City University Graduate School of Medicine, Abeno, Osaka, Japan
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Abstract
BACKGROUND Netherton's syndrome (NS) is an autosomal recessive disorder characterized by trichorrhexis invaginata ('bamboo hair'), congenital ichthyosiform erythroderma and an atopic diathesis. NS has recently been shown to be due to a defect in the SPINK5 gene, encoding LEKTI, a 15-domain serine protease inhibitor. SPINK5 maps to chromosome 5q31-q32, and has been suggested to be a locus predisposing to atopy in general. Recently, coding polymorphisms in SPINK5 exons 13 and 14 have been reported to be associated with atopy, asthma and atopic dermatitis (AD). OBJECTIVES To examine whether these polymorphisms are also associated with AD in Japan. METHODS We characterized eight polymorphisms in SPINK5 exons 13 and 14 in 124 Japanese patients with AD and 110 healthy controls. The polymorphisms we examined were IVS12-26C-->T, IVS12-10A-->G, 1103A-->G (Asn368Ser, in exon 13), 1156G-->A (Asp386Asn, in exon 13), 1188T-->C (His396His, in exon 13), IVS13-50G-->A, 1258G-->A (Glu420Lys, in exon 14) and IVS14+19G-->A. RESULTS We found significant associations between seven of these polymorphisms and AD in Japanese patients. CONCLUSIONS This study confirms the previous suggestion of an association between SPINK5 and AD.
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Affiliation(s)
- A Kato
- Department of Dermatology, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi Abenoku, Osaka 545-8585, Japan
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Oiso N, Yamashita C, Yoshioka K, Amagai M, Komai A, Nagata Y, Hashimoto T, Ishii M. IgG/IgA pemphigus with IgG and IgA antidesmoglein 1 antibodies detected by enzyme-linked immunosorbent assay. Br J Dermatol 2002; 147:1012-7. [PMID: 12410717 DOI: 10.1046/j.1365-2133.2002.04984.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Pemphigus is an autoimmune mucocutaneous bullous disease characterized by autoantibodies against the cell surfaces of epidermal keratinocytes. Six cases with deposition of both IgG and IgA on keratinocyte cell surfaces have been reported in the recent literature. We provisionally termed these cases IgG/IgA pemphigus. We describe a 42-year-old Japanese woman with clinical and histopathological features resembling herpetiform pemphigus who demonstrated in vivo bound and circulating anticell surface autoantibodies of both IgG and IgA classes on immunofluorescence examination. Enzyme-linked immunosorbent assay using baculovirus-expressed recombinant desmoglein (Dsg) 1 and Dsg 3 showed that both IgG and IgA antibodies reacted with Dsg1. The reactivity was completely adsorbed with preincubation of serum with Dsg1 baculoprotein, further confirming the exclusive reactivity of both IgG and IgA antibodies with Dsg1. This is the second case of IgG/IgA pemphigus in which the human target antigens for both IgG and IgA antibodies have been unequivocally identified. This study provides further evidence that IgG/IgA pemphigus is a distinct disease entity.
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Affiliation(s)
- N Oiso
- Department of Dermatology, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno, Osaka 545-8585, Japan.
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Takeoka Y, Hino M, Oiso N, Nishi S, Koh KR, Yamane T, Ohta K, Nakamae H, Aoyama Y, Hirose A, Fujino H, Takubo T, Inoue T, Tatsumi N. Virus-associated hemophagocytic syndrome due to rubella virus and varicella-zoster virus dual infection in patient with adult idiopathic thrombocytopenic purpura. Ann Hematol 2001; 80:361-4. [PMID: 11475151 DOI: 10.1007/s002770000282] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A 26-year-old woman with idiopathic thrombocytopenic purpura (ITP) was admitted to our hospital because of fever and rash. Blood tests revealed thrombocytopenia, liver dysfunction, coagulopathy, and hyperferritinemia. Bone marrow examination revealed many atypical lymphocytes and some histiocytes with hemophagocytosis. On admission she was diagnosed with rubella virus-associated hemophagocytic syndrome (VHAS), but on laboratory examination, she was seropositive for varicella-zoster virus (VZV)-IgM as well as rubella virus-IgM. She was therefore diagnosed with dual infection by rubella virus and VZV. Her simultaneous rubella virus and VZV infection may have been related to the VAHS pathogenesis. She was treated with prednisolone and gamma globulin therapy and recovered completely.
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Affiliation(s)
- Y Takeoka
- Department of Clinical Hematology, Osaka City University Medical School, Japan
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Abstract
Piebaldism is an autosomal dominant disorder of melanocyte development characterized by white skin (leukoderma) and white hair (poliosis). In general, piebaldism has been distinguished from vitiligo by the presence of lesions from birth, the hyperpigmented macules of depigmented and normal skin, and the static course. We hypothesized that an 8-year-old girl and her mother who had unusual piebaldism of a progressive nature would have a novel mutation of the KIT gene, the gene that is altered in patients with piebaldism, or of the MITF (microphthalmia activating transcription factor) gene, which would be expected to cause type II Waardenburg syndrome, but is associated with a phenotype of progressive depigmentation in mice. Genomic DNA was extracted from the blood of affected and unaffected family members, and the KIT and MITF genes were sequenced. Genetic analysis of genomic DNA from both the mother and daughter with progressive piebaldism revealed a novel Val620Ala (1859T>C) mutation in the KIT gene, which was not detected in family members without progressive piebaldism or in 52 normal control individuals. This KIT mutation affects the intracellular tyrosine kinase domain and thus predicts a severe phenotype, as was the case in this family. Although other KIT mutations in the vicinity of codon 620 lead to the standard phenotype of static piebaldism, the Val620Ala mutation is novel and may result in a previously undescribed phenotype with melanocyte instability, leading to progressive loss of pigmentation as well as the progressive appearance of the hyperpigmented macules.
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Affiliation(s)
- K A Richards
- Department of Dermatology, Northwestern University Medical School, Chicago, IL, USA
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Abstract
Localization of a locus for atopy to chromosome 16p12-p11 and reported associations of Ile50Val and Gln551Arg polymorphisms in interleukin-4 receptor alpha chain (IL 4R gene) with atopy prompted us to sequence the gene in 27 adult atopic dermatitis (AD) and 29 non-atopic (non-AD) subjects. Among six known polymorphisms, Gln551Arg was significantly associated with AD (P = 0.01). This polymorphism was found to be heterozygous in six of 27 patients with AD but none of the 28 non-AD controls. Ile50Val, which was previously reported to be associated with atopic asthma in Japan, showed no association with AD in our group. Glu375Ala and Cys406Arg also showed no association with AD. The IL 4R gene should thus be considered a compelling candidate gene for AD.
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Affiliation(s)
- N Oiso
- Department of Dermatology, Osaka City University Medical School, 1-4-3 Asahimachi, Abeno-ku, Osaka 545-8585, Japan
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Saitoh S, Oiso N, Wada T, Narazaki O, Fukai K. Oculocutaneous albinism type 2 with a P gene missense mutation in a patient with Angelman syndrome. J Med Genet 2000; 37:392-4. [PMID: 10905897 PMCID: PMC1734585 DOI: 10.1136/jmg.37.5.392] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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