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1.
Sci Immunol ; 5(43)2020 01 31.
Article in English | MEDLINE | ID: mdl-32005680

ABSTRACT

Reassessment of citrullinome cargo in neutrophil extracellular traps confirms the presence of citrullinated peptides.

2.
Sci Rep ; 9(1): 12207, 2019 08 21.
Article in English | MEDLINE | ID: mdl-31434914

ABSTRACT

Hidradenitis suppurativa (HS) is a chronic inflammatory disorder characterized by painful nodules, sinus tracts, and scars occurring predominantly in intertriginous regions. The prevalence of HS is currently 0.053-4%, with a predominance in African-American women and has been linked to low socioeconomic status. The majority of the reported literature is  retrospective, population based, epidemiologic studies. In this regard, there is a need to establish a repository of biospecimens, which represent appropriate gender and racial demographics amongst HS patients. These efforts will diminish knowledge gaps in understanding the disease pathophysiology. Hence, we sought to outline a step-by-step protocol detailing how we established our HS biobank to facilitate the formation of other HS tissue banks. Equipping researchers with carefully detailed processes for collection of HS specimens would accelerate the accumulation of well-organized human biological material. Over time, the scientific community will have access to a broad range of HS tissue biospecimens, ultimately leading to more rigorous basic and translational research. Moreover, an improved understanding of the pathophysiology is necessary for the discovery of novel therapies for this debilitating disease. We aim to provide high impact translational research methodology for cutaneous biology research and foster multidisciplinary collaboration and advancement of our understanding of cutaneous diseases.


Subject(s)
Biological Specimen Banks , Hidradenitis Suppurativa , Proteomics , Specimen Handling , Translational Research, Biomedical , Black or African American , Female , Humans , Male , Retrospective Studies
3.
Clin Genet ; 79(6): 561-7, 2011 Jun.
Article in English | MEDLINE | ID: mdl-20662851

ABSTRACT

Hermansky-Pudlak syndrome (HPS) is a disorder of oculocutaneous albinism (OCA) and platelet storage pool deficiency. Eight different disease-causing genes have been identified, whose gene products are thought to be involved in the biogenesis of lysosome-related organelles. HPS type 1 (HPS-1) is the most common HPS subtype in Puerto Rico, with a frequency of 1:1800 in the northwest of the island due to a founder mutation, i.e. a 16-bp duplication in exon 15 of the HPS1 gene (c.1472_1487dup16; p.H497QfsX90). We identified three Puerto Rican HPS-1 patients who carried compound heterozygous HPS1 mutations. One patient was heterozygous for c.937G>A, causing a missense mutation (p.G313S) at the 3 splice junction of exon 10. This mutation resulted in activation of a cryptic intronic splice site causing an aberrantly spliced HPS1 mRNA that included 144-bp of intronic sequence, producing 11 novel amino acids followed by a stop codon. The other two patients were heterozygous for the previously reported c.972delC in HPS1, resulting in a frameshift and a premature stop codon (p.M325WfsX6). These findings indicate that, among Puerto Ricans, other HPS1 mutations apart from the 16-bp duplication should be considered in the analysis of this population.


Subject(s)
Abnormalities, Multiple/genetics , Hermanski-Pudlak Syndrome/genetics , Membrane Proteins/genetics , Adult , Alternative Splicing , Base Sequence , DNA Mutational Analysis , Female , Hermanski-Pudlak Syndrome/diagnosis , Humans , Male , Molecular Sequence Data , Mutation, Missense , Puerto Rico , Young Adult
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