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1.
Matrix Gla protein (MGP) is involved in elastic fiber calcification in the dermis of Pseudoxanthoma Elasticum (PXE) patients.
Federica Boraldi, Annovi Giulia, Paolinelli Devincenzi Chiara, Schurgers Leon J, Vermeer Cees, Quaglino Daniela, Pasquali Ronchetti Ivonne, Gheduzzi Dealba, 2007, izvirni znanstveni članek

Opis: Mature MGP (Matrix g-carboxyglutamic acid protein) is known to inhibit soft connective tissues calcification. We investigated its possible involvement in pseudoxanthoma elasticum (PXE), a genetic disorder whose clinical manifestations are due to mineralization of elastic fibers. PXE patients have lower serum concentration of total MGP compared to controls (Po0.001). Antibodies specific for the noncarboxylated (Glu-MGP) and for the g-carboxylated (Gla-MGP) forms of MGP were assayed on ultrathin sections of dermis from controls and PXE patients. Normal elastic fibers in controls and patients were slightly positive for both forms of MGP, whereas Gla-MGP was more abundant within control’s than within patient’s elastic fibers (Po0.001). In patients’ calcified elastic fibers, Glu-MGP intensively colocalized with mineral precipitates, whereas Gla-MGP precisely localized at the mineralization front. Data suggest that MGP is present within elastic fibers and is associated with calcification of dermal elastic fibers in PXE.
Najdeno v: ključnih besedah
Povzetek najdenega: ...calcification, dermal fibroblast, elastic fiber, human skin, MGP, pseudoxanthoma elasticum...
Ključne besede: calcification, dermal fibroblast, elastic fiber, human skin, MGP, pseudoxanthoma elasticum
Objavljeno: 22.07.2019; Ogledov: 576; Prenosov: 0
.pdf Polno besedilo (689,32 KB)

2.
The Multifaceted Complexity of Genetic Diseases: A Lesson from Pseudoxanthoma Elasticum
Ivonne Pasquali Ronchetti, Giulia Annovi, Federica Boraldi, Daniela Quaglino, 2011, samostojni znanstveni sestavek ali poglavje v monografski publikaciji

Najdeno v: ključnih besedah
Povzetek najdenega: ...Genetic pathology, skin, morphology, PXE...
Ključne besede: Genetic pathology, skin, morphology, PXE
Objavljeno: 23.08.2019; Ogledov: 630; Prenosov: 0
.pdf Polno besedilo (23,60 MB)

3.
A microbiome and metabolomic signature of phases of cutaneous healing identified by profiling sequential acute wounds of human skin: An exploratory study
Mohammed Ashrafi, Yun Xu, Howbeer Muhamadali, Iain R White, Maxim Wilkinson, Mohamed Baguneid, Roy Goodacre, Ardeshir Bayat, 2020, izvirni znanstveni članek

Opis: Profiling skin microbiome and metabolome has been utilised to gain further insight into wound healing processes. The aims of this multi-part temporal study in 11 volunteers were to analytically profile the dynamic wound tissue and headspace metabolome and sequence microbial communities in acute wound healing at days 0, 7, 14, 21 and 28, and to investigate their relationship to wound healing, using non-invasive quantitative devices. Metabolites were obtained using tissue extraction, sorbent and polydimethylsiloxane patches and analysed using GCMS. PCA of wound tissue metabolome clearly separated time points with 10 metabolites of 346 being involved in separation. Analysis of variance-simultaneous component analysis identified a statistical difference between the wound headspace metabolome, sites (P = 0.0024) and time points (P<0.0001), with 10 out of the 129 metabolites measured involved with this separation between sites and time points. A reciprocal relationship between Staphylococcus spp. and Propionibacterium spp. was observed at day 21 (P<0.05) with a statistical correlation between collagen and Propionibacterium (r = 0.417; P = 0.038) and Staphylococcus (r = -0.434; P = 0.03). Procrustes analysis showed a statistically significant similarity between wound headspace and tissue metabolome with non-invasive wound devices. This exploratory study demonstrates the temporal and dynamic nature of acute wound metabolome and microbiome presenting a novel class of biomarkers that correspond to wound healing, with further confirmatory studies now necessary.
Najdeno v: ključnih besedah
Ključne besede: metabolomics, skin, volatile organic compounds, VOCs, wound healing
Objavljeno: 03.03.2020; Ogledov: 436; Prenosov: 0
.pdf Polno besedilo (2,45 MB)

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