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Chikazawa S, Hori Y, Kanai K, Ito N, Hoshi F, Orino K, Watanabe K, Higuchi S. Factors influencing measurement of serum iron concentration in dogs: diurnal variation and hyperferritinemia. J Vet Med Sci 2013; 75:1615-8. [PMID: 23877842 PMCID: PMC3942948 DOI: 10.1292/jvms.13-0286] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
We evaluated diurnal variation
and hyperferritinemia as factors that influence the values of serum iron concentration in
dogs, using the International Committee for Standardization in Hematology (ICSH)
colorimetric method. Serum iron levels were significantly higher in the morning than in
the evening in 6 clinically healthy beagle dogs, and the maximum decrease in serum iron
concentration was 47.3%. Moreover, the change in serum iron concentrations in 22 clinical
canine cases with various serum ferritin levels was evaluated by immunoprecipitation of
ferritin. The rate of decline in the serum iron concentrations positively correlated with
serum ferritin levels (r=0.48, P=0.024). These results show that it is
necessary to consider the sampling time and serum ferritin level for accurate
interpretation of serum iron concentrations in dogs.
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Affiliation(s)
- Seishiro Chikazawa
- Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University, 23-35-1 Higashi, Towada, Aomori 034-8628, Japan
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Kessell AE, Hanshaw DM, Finnie JW, Nosworthy P. Congenital dyserythropoietic anaemia and dyskeratosis in Australian Poll Hereford calves. Aust Vet J 2012. [PMID: 23186092 DOI: 10.1111/j.1751-0813.2012.00998.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Congenital dyserythropoietic anaemia (CDA) is a heterogeneous group of rare genetic disorders that in humans is characterised by ineffective haematopoiesis with morphological abnormalities in erythroid precursor cells and secondary iron overload. In the 1990s, a syndrome of CDA with dyskeratosis and progressive alopecia was reported in Poll Hereford calves in Canada and the USA. We report the clinical and pathological findings in two Poll Hereford calves with this syndrome from separate properties in South Australia. The animals had a variably severe anaemia, associated with abnormal nucleated red blood cells in peripheral blood, and large numbers of rubricytes and metarubricytes with a characteristic nuclear ultrastructure in the bone marrow. Both calves were born with a wiry hair coat and a progressively 'dirty-faced' appearance associated with hyperkeratosis and dyskeratosis (apoptosis).
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Affiliation(s)
- A E Kessell
- School of Animal and Veterinary Science, Charles Sturt University, Wagga Wagga, New South Wales, Australia.
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Grimes CN, Giori L, Fry MM. Role of hepcidin in iron metabolism and potential clinical applications. Vet Clin North Am Small Anim Pract 2012; 42:85-96. [PMID: 22285159 DOI: 10.1016/j.cvsm.2011.10.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The relatively recent discovery of hepcidin has stimulated renewed research interest in iron metabolism and iron-related disorders, emphasizing the importance of this hormone in many normal and pathologic processes. Important questions still remain to be answered; however, research to date offers promising diagnostic and therapeutic implications for both humans and veterinary species.
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Affiliation(s)
- Carolyn N Grimes
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, 2407 River Drive, Knoxville, TN 37996-4542, USA
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Abstract
Alopecia, that is, lack of hair in any quantity, is a frequent complaint of pet owners. Although mostly acquired, rare congenital forms of alopecia exist that are associated with abnormalities in hair follicle morphogenesis. Congenital alopecias can result in changes in quality or quantity of hair follicles and the hair fibres produced by them. They vary in terms of clinical presentation and mode of inheritance. Histopathology is usually needed in order to differentiate between a reduced number of otherwise normal hair follicles and qualitative hair follicle abnormalities. Although our understanding of the molecular mechanisms that drive hair follicle morphogenesis in mice and humans has significantly increased during the last decade, still very little is known about congenital alopecias in domestic animals. Because of their rarity and the general lack of knowledge about their pathophysiology, classification of congenital alopecias in domestic animals is still unsatisfactory. This article reviews hair follicle morphogenesis and its most important molecular mechanisms, and it discusses the various forms of congenital alopecia occurring in domestic animals that have been described in the literature, differentiating between hair follicle aplasia, hair follicle dysplasia (i.e. defects associated with hair follicle development and defects associated with hair shaft formation), and neuroectodermal dysplasias, the latter involving the hair follicle pigmentary system.
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McCarthy FM, Wang N, Magee GB, Nanduri B, Lawrence ML, Camon EB, Barrell DG, Hill DP, Dolan ME, Williams WP, Luthe DS, Bridges SM, Burgess SC. AgBase: a functional genomics resource for agriculture. BMC Genomics 2006; 7:229. [PMID: 16961921 PMCID: PMC1618847 DOI: 10.1186/1471-2164-7-229] [Citation(s) in RCA: 224] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2006] [Accepted: 09/08/2006] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Many agricultural species and their pathogens have sequenced genomes and more are in progress. Agricultural species provide food, fiber, xenotransplant tissues, biopharmaceuticals and biomedical models. Moreover, many agricultural microorganisms are human zoonoses. However, systems biology from functional genomics data is hindered in agricultural species because agricultural genome sequences have relatively poor structural and functional annotation and agricultural research communities are smaller with limited funding compared to many model organism communities. DESCRIPTION To facilitate systems biology in these traditionally agricultural species we have established "AgBase", a curated, web-accessible, public resource http://www.agbase.msstate.edu for structural and functional annotation of agricultural genomes. The AgBase database includes a suite of computational tools to use GO annotations. We use standardized nomenclature following the Human Genome Organization Gene Nomenclature guidelines and are currently functionally annotating chicken, cow and sheep gene products using the Gene Ontology (GO). The computational tools we have developed accept and batch process data derived from different public databases (with different accession codes), return all existing GO annotations, provide a list of products without GO annotation, identify potential orthologs, model functional genomics data using GO and assist proteomics analysis of ESTs and EST assemblies. Our journal database helps prevent redundant manual GO curation. We encourage and publicly acknowledge GO annotations from researchers and provide a service for researchers interested in GO and analysis of functional genomics data. CONCLUSION The AgBase database is the first database dedicated to functional genomics and systems biology analysis for agriculturally important species and their pathogens. We use experimental data to improve structural annotation of genomes and to functionally characterize gene products. AgBase is also directly relevant for researchers in fields as diverse as agricultural production, cancer biology, biopharmaceuticals, human health and evolutionary biology. Moreover, the experimental methods and bioinformatics tools we provide are widely applicable to many other species including model organisms.
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Affiliation(s)
- Fiona M McCarthy
- Department of Basic Sciences, College of Veterinary Medicine, Mississippi State University, P.O. Box 1600, Mississippi State, MS 39762, USA
- Institute for Digital Biology, Mississippi State University, MS 39762, USA
| | - Nan Wang
- Department of Computer Science and Engineering, Bagley College of Engineering, P.O. Box 9637, Mississippi State University, MS 39762, USA
- Institute for Digital Biology, Mississippi State University, MS 39762, USA
| | - G Bryce Magee
- Department of Computer Science and Engineering, Bagley College of Engineering, P.O. Box 9637, Mississippi State University, MS 39762, USA
- Institute for Digital Biology, Mississippi State University, MS 39762, USA
| | - Bindu Nanduri
- Department of Basic Sciences, College of Veterinary Medicine, Mississippi State University, P.O. Box 1600, Mississippi State, MS 39762, USA
- Institute for Digital Biology, Mississippi State University, MS 39762, USA
| | - Mark L Lawrence
- Department of Basic Sciences, College of Veterinary Medicine, Mississippi State University, P.O. Box 1600, Mississippi State, MS 39762, USA
| | - Evelyn B Camon
- European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SD, UK
| | - Daniel G Barrell
- European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SD, UK
| | - David P Hill
- Mouse Genome Informatics, The Jackson Laboratory 600 Main Street, Bar Harbor, ME 04609, USA
| | - Mary E Dolan
- Mouse Genome Informatics, The Jackson Laboratory 600 Main Street, Bar Harbor, ME 04609, USA
| | - W Paul Williams
- USDA ARS Corn Host Plant Resistance Research Unit, Box 5367, Mississippi State University, MS 39762, USA
| | - Dawn S Luthe
- Department of Biochemistry and Molecular Biology, P.O. Box 9650, Mississippi State University, MS 39762, USA
- Institute for Digital Biology, Mississippi State University, MS 39762, USA
| | - Susan M Bridges
- Department of Computer Science and Engineering, Bagley College of Engineering, P.O. Box 9637, Mississippi State University, MS 39762, USA
- Institute for Digital Biology, Mississippi State University, MS 39762, USA
| | - Shane C Burgess
- Department of Basic Sciences, College of Veterinary Medicine, Mississippi State University, P.O. Box 1600, Mississippi State, MS 39762, USA
- Institute for Digital Biology, Mississippi State University, MS 39762, USA
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