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From cytogenetics to cytogenomics: a new era in the diagnosis of chromosomal abnormalities in domestic animals.
J Appl Genet
January 2025
Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Poznan, Poland.
Identification of chromosomal abnormalities is an important issue in animal breeding and veterinary medicine. Routine cytogenetic diagnosis of domestic animals began in the 1960s with the aim of identifying carriers of centric fusion between chromosome 1 and 29 in cattle. In the 1970s, chromosome banding techniques were introduced, and in the 1980s, the first cytogenomic techniques, based on the development of locus- and chromosome-specific probes, were used.
View Article and Find Full Text PDFA case of non-mosaic X trisomy (65,XXX) in a Thoroughbred mare confirmed by cytogenetic and molecular analysis.
J Appl Genet
May 2024
Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Wolynska 33, 60-637, Poznan, Poland.
A 9-year-old Thoroughbred mare with normal external genitalia and regular oestrus symptoms was gynecologically examined prior to insemination. This primary examination revealed the presence of a hypoplastic uterus and the lack of normal ovaries, and the mare was therefore subjected to more detailed diagnostics, including endocrinological, genetic, and clinical tests. Diagnostic imaging with the use of ultrasonography and endoscopy confirmed the underdevelopment of internal genitalia.
View Article and Find Full Text PDFGenetic disorders of sex development in cats: An update.
Anim Reprod Sci
May 2020
Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Poznan, Poland. Electronic address:
Disorders of sex development (DSD) are rarely reported in cats, but this does not mean these occurrences are an insignificant reproductive and health problem in this species. The DSD condition affects reproduction and can be associated with an increased risk of gonadal tumorigenesis. In this review, an overview of findings since 2012 are presented that focus on cytogenetic and molecular genetic studies of cats with abnormal external genitalia.
View Article and Find Full Text PDFAluminum in neurological disease - a 36 year multicenter study.
J Alzheimers Dis Parkinsonism
November 2018
Department of Physiology, Medical Sciences Building, University of Toronto, Toronto ON M5S 1A8, CANADA.
Aluminum is a ubiquitous neurotoxin highly enriched in our biosphere, and has been implicated in the etiology and pathology of multiple neurological diseases that involve inflammatory neural degeneration, behavioral impairment and cognitive decline. Over the last 36 years our group has analyzed the aluminum content of the temporal lobe neocortex of 511 high quality coded human brain samples from 18 diverse neurological and neurodegenerative disorders, including 2 groups of age-matched controls. Brodmann anatomical areas including the inferior, medial and superior temporal gyrus (A20-A22) were selected for analysis: (i) because of their essential functions in massive neural information processing operations including cognition and memory formation; and (ii) because subareas of these anatomical regions are unique to humans and are amongst the earliest areas affected by progressive neurodegenerative disorders such as Alzheimer's disease (AD).
View Article and Find Full Text PDFAluminum in Neurological and Neurodegenerative Disease.
Mol Neurobiol
February 2019
Russian Academy of Medical Sciences, Moscow, 113152, Russia.
With continuing cooperation from 18 domestic and international brain banks over the last 36 years, we have analyzed the aluminum content of the temporal lobe neocortex of 511 high-quality human female brain samples from 16 diverse neurological and neurodegenerative disorders, including 2 groups of age-matched controls. Temporal lobes (Brodmann areas A20-A22) were selected for analysis because of their availability and their central role in massive information-processing operations including efferent-signal integration, cognition, and memory formation. We used the analytical technique of (i) Zeeman-type electrothermal atomic absorption spectrophotometry (ETAAS) combined with (ii) preliminary analysis from the advanced photon source (APS) hard X-ray beam (7 GeV) fluorescence raster-scanning (XRFR) spectroscopy device (undulator beam line 2-ID-E) at the Argonne National Laboratory, US Department of Energy, University of Chicago IL, USA.
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