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21.
Santarelli R De Marco R Masala MV Angeloni A Uccini S Pacchiarotti R Montesu MA Satta R Cerimele D Faggioni A Cottoni F 《Journal of medical virology》2001,65(2):368-372
The human herpesvirus-8 (HHV-8) has been associated with the development of Kaposi's sarcoma. A high incidence of classic Kaposi's sarcoma has been described in Sardinia, an island West of Italy's mainland. Different seroepidemiological analyses have reported that prevalence of HHV-8 infection varies worldwide: a high HHV-8 seroprevalence has been shown in Italy. The present survey was carried out to evaluate the correlation between HHV-8 infection and classic Kaposi's sarcoma incidence in northern Sardinia. Blood samples were collected from 226 healthy donors born and resident in five different areas of North Sardinia. Seroprevalence to HHV-8 was determined searching antibodies to viral lytic proteins by immunofluorescence in sera diluted at 1:10. Classic Kaposi's sarcoma incidence data spanning a period of 23 years were examined in the areas studied. The present screening revealed that seroprevalence was 35%, within a range of 15.3-46.3% in the five areas, although it should be considered that the seroprevalence to HHV-8 can be established more accurately by the combined use of different assays. Age emerged as an important risk factor. Indeed, subjects aged > 50 years showed a higher seroprevalence to HHV-8 as compared with younger individuals. A strong direct correlation between HHV-8 prevalence and classic Kaposi's sarcoma incidence has been also observed. The wide diffusion of HHV-8 in Sardinia appears to represent an important factor in the high incidence of classic Kaposi's sarcoma reported in the island. However, additional co-factors, such as age, sex, genetic traits, or viral strain pathogenicity, are likely to play a role in the development of the disease. 相似文献
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Conflicting data concerning the presence of enhanced serum angiotensin-converting enzyme (SACE) activity in psoriasis are reported in the literature. In order to verify whether this abnormality is a typical pattern of psoriasis, SACE levels were determined in 27 psoriatics as well as in 18 healthy subjects and in 30 patients with essential hypertension. We found that SACE levels were normal in patients affected by psoriasis independently of the presence or the absence of abnormalities in carbohydrate metabolism. Furthermore, SACE levels were not related to the severity of the skin lesions. We conclude that an elevated SACE activity is not a typical pattern of psoriasis, whereas, when present in a psoriatic, it might suggest the possibility of a coexisting unknown systemic sarcoidosis. 相似文献
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Posteraro Sanguinetti Garcovich Ardito Zampetti Masucci Sbordoni Cerimele & Fadda 《The British journal of dermatology》1998,139(5):872-876
In this paper, we report a patient in whom Mycobacterium marinum sporotrichoid infection was diagnosed using polymerase chain reaction (PCR) amplification of the 16S rRNA gene and subsequent analysis of the amplified product in a reverse cross-blot hybridization assay with mycobacterial species-specific probes. This molecular method allowed us rapidly to detect and identify this organism directly in the patient's lesional skin biopsy rather than in cultures in conventional media. The identification provided by PCR–reverse cross-blot hybridization assay was confirmed by examination of the morphological and biochemical features and by high-performance liquid chromatography analysis of mycolic acid from the clinical isolate, suggesting the validity of our molecular approach. 相似文献
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JM Cerimele WJ Katon V Sharma LI Sederer 《The Mount Sinai journal of medicine, New York》2012,79(4):481-489
Psychiatric disorders, particularly depression and anxiety disorders, are common in primary-care settings, though often overlooked or untreated. Depression and anxiety disorders are associated with a poorer course for and complications from common chronic diseases such as diabetes mellitus and coronary heart disease. Integrating psychiatric services into primary-care settings can improve recognition and treatment of psychiatric disorders for large populations of patients. Numerous research studies demonstrate associations between improved recognition and treatment of psychiatric disorders and improved courses of psychiatric disorders, but also with improvements in other chronic diseases such as diabetes. The evidence bases supporting the use of 2 models of integrated care, colocation of psychiatric care and collaborative care, are reviewed. These models' uses in specific populations are also discussed. 相似文献
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Elias PM Arbiser J Brown BE Rossiter H Man MQ Cerimele F Crumrine D Gunathilake R Choi EH Uchida Y Tschachler E Feingold KR 《The American journal of pathology》2008,173(3):689-699
Primary abnormalities in permeability barrier function appear to underlie atopic dermatitis and epidermal trauma; a concomitant barrier dysfunction could also drive other inflammatory dermatoses, including psoriasis. Central to this outside-inside view of disease pathogenesis is the epidermal generation of cytokines/growth factors, which in turn signal downstream epidermal repair mechanisms. Yet, this cascade, if sustained, signals downstream epidermal hyperplasia and inflammation. We found here that acute barrier disruption rapidly stimulates mRNA and protein expression of epidermal vascular endothelial growth factor-A (VEGF-A) in normal hairless mice, a specific response to permeability barrier requirements because up-regulation is blocked by application of a vapor-impermeable membrane. Moreover, epidermal vegf−/− mice display abnormal permeability barrier homeostasis, attributable to decreased VEGF signaling of epidermal lamellar body production; a paucity of dermal capillaries with reduced vascular permeability; and neither angiogenesis nor epidermal hyperplasia in response to repeated tape stripping (a model of psoriasiform hyperplasia). These results support a central role for epidermal VEGF in the maintenance of epidermal permeability barrier homeostasis and a link between epidermal VEGF production and both dermal angiogenesis and the development of epidermal hyperplasia. Because psoriasis is commonly induced by external trauma [isomorphic (Koebner) phenomenon] and is associated with a prominent permeability barrier abnormality, excess VEGF production, prominent angiogenesis, and epidermal hyperplasia, these results could provide a potential outside-inside mechanistic basis for the development of psoriasis. 相似文献