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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental dermatology 21 (1996), S. 0 
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Monilethrix is an autosomal dominant disorder chiefly affecting hair. The degree of hair dystrophy is highly variable, as is the presence of additional features, such as follicular keratoses. In three British families of monilethrix, linkage has recently been reported to the type II keratin gene cluster at chromosome 12q13, and it has been suggested that the disease is due to a defect in the hard keratins of hair and nail. If monilethrix is a keratin disorder, we would predict that some pedigrees might map to the type I keratin gene cluster on 17q where hard keratin genes are also found. We have now studied clinically and by linkage analysis three new and unrelated pedigrees from England, Scotland and Spain, the first of which showed a variant phenotype. In this family the disease was expressed in four of 12 cases only as a follicular keratosis of the neck, elbows and knees, and without clinical or historical evidence of hair anomalies: non-penetrance in an obligate carrier was also observed. In all three families, we have established linkage to a series of microsatellite markers at the type II locus at 12q13 (Zmax=6.34 at 0=0.00 for D12S368) and have excluded linkage from the type I keratin gene cluster on 17q. It remains probable that monilethrix is a disorder of hard keratins, but at present there is no evidence that it is due to defects in type I keratins.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 136 (1997), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 142 (2000), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: p21WAF is a cyclin-dependent kinase inhibitor which is widely expressed in epidermal structures. Using a combination of double immunocytochemical staining and combined in situ hybridization, we show that there is a striking exclusivity between the expression of Ki67 and p21WAF in the hair matrix. Some cells that are Ki67-positive also express p53, but as they exit the cell cycle they assume p21WAF-positive/p53-negative status. By contrast, cells in the interfollicular epidermis of psoriatic lesions, in the sebaceous gland, and in the outer root sheath are p21WAF-positive/p53-positive but Ki67-negative. These results suggest that in some anatomical parts of the epidermis, p21WAF expression can accompany p53 expression, whereas in other parts, the expression of these markers is reciprocal, suggesting that other pathways may be controlling p21WAF expression. In order to define, functionally, the presence of p53-independent p21WAF expression in skin, we examined lesions of Bowen’s disease in which both alleles of p53 were inactivated. p21WAF expression was still observed, confirming a role for p53-independent expression of p21WAF in human skin in vivo.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 5 (1999), S. 0 
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Equinus deformity has been a significant problem in haemophilia. It causes difficulties in walking and secondary problems in adjacent joints. There are a number of potential causes in haemophilia. A careful history, examination, and plain radiographs will determine the aetiology, which frequently is multifactorial. Hopefully, prophylactic factor replacement will reduce the incidence of such problems in the future. Prompt ‘on demand’ therapy will reduce the complications of articular and soft-tissue bleeds. Physiotherapy, splints, and orthotics will usually allow a full recovery of function and comfort. Rarely, surgical intervention is required to correct articular and/or musculo-tendinous problems. The choice of surgery depends upon the cause(s) of the deformity and should only be undertaken in experienced haemophilia units following careful counselling of the patient regarding the aims and nature of the operation and the patient’s involvement in an effective rehab- ilitation programme.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 133 (1995), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary Recurrence of basal cell carcinoma (BCC) following treatment is a common event and long-term follow-up of all patients presenting with a primary BCC has been recommended. Proliferation indices have been recognized as important prognostic factors in several tumour types in a variety of cancer systems, being significantly elevated in more aggressive lesions. We have examined 51 BCCs (17 non-recurrent tumours [group 1]. 17 original tumours which later recurred [group 2-0]. and the corresponding 17 recurrent specimens [group 2-R] for Ki67 antigen expression, a proliferalionassociated antigen using immunohistochemistry with the monoclonal antibody MIB1. There was a significant increase in the percentage positive for MIB1 in the Group 2-0 as compared with the group 1 BCCs (P〈H005). p53 protein expression, as assessed by immunohistochemistry with the monoclonal antibody D07, was similar in each group. These results show that Ki67 antigen expression differs between BCCs which later recur and BCCs that do not recur.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The labelling index is commonly used as a measure of proliferation. However, the use of tritiated thyraidine or BrdU labelling of S-phase cells is limited to prospective samples. We have employed an oligonucleotide cocktail complementary to the mRNA species encoding the repiication-dependent histones H2B, H3 and H4 for non-isotopic in situ hybridization (NISH), and have compared the resultant proliferation indices in normal skin with those obtained by bromodeoxyuridine (BrdU) incorporation and by Kift 7 immunohistochemistry (MC) using the monoclonal antibody MIB1. In addition, we compared the staining characteristics of histone NISH and Kif〉7 IHC in a further 25 samples from a variety of inflammatory dermatoses and neoplastic conditions, as well as from normal skin.In normal skin, S-phase (histone NISH and BrdU) and cycling (Ki67) cells were conflned to the basal and Jow suprabasal layers. The labetling indices determined by histone NISH and BrdU incorporation were similar, whereas that of Ki67 IHC was four times greater. In biopsies from hyperproliferative dermatoses and dysplastic or malignant lesions. the number of histone NISH- and Ki67 IHC-positive cells was generally elevated; in accordance with the differential expression of these two markers during the cell cycle, M1B1 consistently gave higher results. The advantage of histone NISH over Ki67 MC is that it is a marker of the same part of the cell cycle as BrdU incorporation. However, the combined use of both histone NISH and Ki67 MC to measure two cell cycle parameters, namely S-phase and the number of cycling cells, aliows more detailed retrospective study of epidermal proliferation than has been possible previously.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 132 (1995), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We have examined sweat secretion rates in 22 patients with alopecia areata, and 22 age- and sex matched controls. Mean sweat rate on the forearm in patients with alopecia areata was 20 mg/cm2 per h (95% confidence limits 15–25 mg/cm2 per h), and in controls was 24.1 mg/cm2 per h (95% confidence limits 19.1–29.1 mg/cm2 per h). Sweat secretion was higher in males than females in both the disease and control groups (27.8 mg/cm2 per h [95% confidence limits 21.3–34.3 mg/cm2 per h], compared with 18.08 mg/cm2 per h [95% confidence limits 14.63-21.6 mg/cm2]; P 〉 0.01). Our results confirm the previously reported sex difference in sweat secretion rate, and demonstrate that there is no statistically significant difference between patients with alopecia areata and controls. We discuss our results in the light of a previous report claiming that patients with alopecia areata have reduced rates of cholinergic-induced sweating.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental dermatology 14 (1989), S. 0 
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Sweat secretion rate, stimulated by iontophoresis of pilocarpine, was measured in 22 patients with primary Sjögren's syndrome and 22 age- and sex-matched normal control subjects. There was no significant difference in measured sweat rates (P=0·45). We conclude that the complaint of dryness of the skin in patients with Sjögren's syndrome is not due to decreased eccrine gland secretion.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 143 (2000), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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