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Priyo TW, Edo A, Taura Y, Yamato O, Ono T, Taniguchi M, Widodo OS, Islam MS, Maki S, Takagi M. Novel Approach for Evaluating Pregnancy-Associated Glycoprotein and Inflammation Markers during the Postpartum Period in Holstein Friesian Cows. Animals (Basel) 2024; 14:1459. [PMID: 38791678 PMCID: PMC11117242 DOI: 10.3390/ani14101459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/08/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
We evaluated the relationship between decreased pregnancy-associated glycoprotein (PAG) levels, inflammatory parameters (serum amyloid A [SAA] and milk amyloid A [MAA]), postpartum inflammatory conditions (mastitis, ketosis, and follicular cysts), and the FOXP3 gene. Nineteen Holstein-Friesian cows were included in this study. Up to approximately eight weeks after delivery, weekly health examinations were performed for mastitis and ketosis, and reproductive organ ultrasonography was performed. The decreasing PAG rate was negatively correlated with SAA concentration (r = -0.493, p = 0.032). Cows with mastitis exhibited a slower trend of PAG decrease (p = 0.095), and a greater percentage of these cows had MAA concentrations above 12 µg/mL (p = 0.074) compared with those without mastitis. A negative correlation, although nonsignificant (r = -0.263, p = 0.385), was observed between the day-open period and decreased PAG rate. The day-open period was correlated with the presence or absence of follicular cysts (p = 0.046). Four cows that developed follicular cysts were homozygous for the G allele of the FOXP3 gene related to repeat breeders. These results indicate a relationship between a decreased PAG rate and inflammatory status during the postpartum period. Thus, suppressing inflammation during the perinatal period may improve reproductive efficiency in the dairy industry.
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Affiliation(s)
- Topas Wicaksono Priyo
- Joint Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi 753-8515, Japan; (T.W.P.J.); (M.T.); (O.S.W.)
- Department of Reproduction and Obstetrics, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
| | - Ayane Edo
- Joint Faculty of Veterinary Science, Yamaguchi University, Yamaguchi 753-8515, Japan; (A.E.); (Y.T.); (T.O.)
| | - Yasuho Taura
- Joint Faculty of Veterinary Science, Yamaguchi University, Yamaguchi 753-8515, Japan; (A.E.); (Y.T.); (T.O.)
| | - Osamu Yamato
- Joint Faculty of Veterinary Science, Kagoshima University, Kagoshima 890-0065, Japan; (O.Y.); (M.S.I.); (S.M.)
- Division of Animal Husbandry, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Tetsushi Ono
- Joint Faculty of Veterinary Science, Yamaguchi University, Yamaguchi 753-8515, Japan; (A.E.); (Y.T.); (T.O.)
| | - Masayasu Taniguchi
- Joint Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi 753-8515, Japan; (T.W.P.J.); (M.T.); (O.S.W.)
- Joint Faculty of Veterinary Science, Yamaguchi University, Yamaguchi 753-8515, Japan; (A.E.); (Y.T.); (T.O.)
| | - Oky Setyo Widodo
- Joint Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi 753-8515, Japan; (T.W.P.J.); (M.T.); (O.S.W.)
- Division of Animal Husbandry, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Md Shafiqul Islam
- Joint Faculty of Veterinary Science, Kagoshima University, Kagoshima 890-0065, Japan; (O.Y.); (M.S.I.); (S.M.)
| | - Shinichiro Maki
- Joint Faculty of Veterinary Science, Kagoshima University, Kagoshima 890-0065, Japan; (O.Y.); (M.S.I.); (S.M.)
| | - Mitsuhiro Takagi
- Joint Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi 753-8515, Japan; (T.W.P.J.); (M.T.); (O.S.W.)
- Joint Faculty of Veterinary Science, Yamaguchi University, Yamaguchi 753-8515, Japan; (A.E.); (Y.T.); (T.O.)
- Division of Animal Husbandry, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya 60115, Indonesia
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Rakib TM, Islam MS, Uddin MM, Rahman MM, Yabuki A, Yamagami T, Morozumi M, Uchida K, Maki S, Faruq AA, Yamato O. Novel Mutation in the Feline NPC2 Gene in Cats with Niemann-Pick Disease. Animals (Basel) 2023; 13:1744. [PMID: 37458497 PMCID: PMC10252137 DOI: 10.3390/ani13111744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 07/20/2023] Open
Abstract
Niemann-Pick disease (NP) type C is an autosomal, recessive, and inherited neurovisceral genetic disorder characterized by the accumulation of unesterified cholesterol and glycolipids in cellular lysosomes and late endosomes, with a wide spectrum of clinical phenotypes. This study aimed to determine the molecular genetic alterations in two cases of felines with NP in Japan, a Siamese cat in 1989 and a Japanese domestic (JD) cat in 1998. Sanger sequencing was performed on 25 exons of the feline NPC1 gene and 4 exons of the feline NPC2 gene, using genomic DNA extracted from paraffin-embedded tissue specimens. The sequenced exons were compared with reference sequences retrieved from the GenBank database. The identified mutations and alterations were then analyzed using different prediction algorithms. No pathogenic mutations were found in feline NPC1; however, c.376G>A (p.V126M) was identified as a pathogenic mutation in the NPC2 gene. The Siamese cat was found to be homozygous for this mutation. The JD cat was heterozygous for the same mutation, but no other exonic NPC2 mutation was found. Furthermore, the JD cat had a homozygous splice variant (c.364-4C>T) in the NPC2 gene, which is not known to be associated with this disease. The NPC2:c.376G>A (p.V126M) mutation is the second reported pathogenic mutation in the feline NPC2 gene that may be present in the Japanese cat population.
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Affiliation(s)
- Tofazzal Md Rakib
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, Korimoto, Kagoshima 890-0065, Japan; (T.M.R.); (M.S.I.); (M.M.U.); (M.M.R.); (A.Y.); (S.M.); (A.A.F.)
- Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Md Shafiqul Islam
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, Korimoto, Kagoshima 890-0065, Japan; (T.M.R.); (M.S.I.); (M.M.U.); (M.M.R.); (A.Y.); (S.M.); (A.A.F.)
- Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Mohammad Mejbah Uddin
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, Korimoto, Kagoshima 890-0065, Japan; (T.M.R.); (M.S.I.); (M.M.U.); (M.M.R.); (A.Y.); (S.M.); (A.A.F.)
- Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Mohammad Mahbubur Rahman
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, Korimoto, Kagoshima 890-0065, Japan; (T.M.R.); (M.S.I.); (M.M.U.); (M.M.R.); (A.Y.); (S.M.); (A.A.F.)
- Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Akira Yabuki
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, Korimoto, Kagoshima 890-0065, Japan; (T.M.R.); (M.S.I.); (M.M.U.); (M.M.R.); (A.Y.); (S.M.); (A.A.F.)
| | - Tetsushi Yamagami
- Japan Small Animal Medical Center, Saitama, Tokorozawa 359-0023, Japan;
| | | | - Kazuyuki Uchida
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, University of Tokyo, Bunkyō, Tokyo 113-8657, Japan;
| | - Shinichiro Maki
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, Korimoto, Kagoshima 890-0065, Japan; (T.M.R.); (M.S.I.); (M.M.U.); (M.M.R.); (A.Y.); (S.M.); (A.A.F.)
| | - Abdullah Al Faruq
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, Korimoto, Kagoshima 890-0065, Japan; (T.M.R.); (M.S.I.); (M.M.U.); (M.M.R.); (A.Y.); (S.M.); (A.A.F.)
- Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Osamu Yamato
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, Korimoto, Kagoshima 890-0065, Japan; (T.M.R.); (M.S.I.); (M.M.U.); (M.M.R.); (A.Y.); (S.M.); (A.A.F.)
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Molecular Epidemiological Survey for Degenerative Myelopathy in German Shepherd Dogs in Japan: Allele Frequency and Clinical Progression Rate. Animals (Basel) 2022; 12:ani12131647. [PMID: 35804546 PMCID: PMC9264911 DOI: 10.3390/ani12131647] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/19/2022] [Accepted: 06/25/2022] [Indexed: 11/17/2022] Open
Abstract
Canine degenerative myelopathy (DM) is an adult-onset, chronic, progressive neurodegenerative disease reported in multiple canine breeds, including the German Shepherd Dog (GSD). Clinical signs include progressive motor neuron paralysis, which begins in the pelvic limbs and eventually leads to respiratory distress, which may necessitate euthanasia. A common DM-associated mutation is a single nucleotide substitution that causes an amino acid substitution (c.118G>A, p.E40K) in the canine SOD1 gene. This SOD1 mutation and the clinical progression rate of A/A risk genotype in the Japanese GSD population have not been analyzed before. Therefore, the aim of this study was to determine the frequency of the mutated allele and analyze the clinical progression rate in the Japanese GSD population. We studied 541 GSDs registered with the Japanese German Shepherd Dog Registration Society between 2000 and 2019. Genotyping was performed using real-time PCR with DNA extracted from the hair roots of each dog. The study revealed 330 G/G dogs (61%), 184 G/A dogs (34%), and 27 A/A dogs (5%), indicating a frequency of the mutant allele of 0.220, which are in Hardy−Weinberg equilibrium. We analyzed the clinical signs in A/A dogs with an age limit of 10 years based on information obtained from the dogs’ owners. Of the seven A/A dogs older than 10 years, owners reported DM-related clinical signs, indicating a clinical progression rate of 100%. These results, further genotyping, and thorough clinical examinations of SOD1 A/A risk genotype will help control and prevent DM in the Japanese GSD population.
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Carrier Rate and Mutant Allele Frequency of GM1 Gangliosidosis in Miniature Shiba Inus (Mame Shiba): Population Screening of Breeding Dogs in Japan. Animals (Basel) 2022; 12:ani12101242. [PMID: 35625088 PMCID: PMC9137666 DOI: 10.3390/ani12101242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/06/2022] [Accepted: 05/10/2022] [Indexed: 02/05/2023] Open
Abstract
GM1 gangliosidosis is a progressive, recessive, autosomal, neurodegenerative, lysosomal storage disorder that affects the brain and multiple systemic organs due to an acid β-galactosidase deficiency encoded by the GLB1 gene. This disease occurs in the Shiba Inu breed, which is one of the most popular traditional breeds in Japan, due to the GLB1:c.1649delC (p.P550Rfs*50) mutation. Previous surveys performed of the Shiba Inu population in Japan found a carrier rate of 1.02–2.94%. Currently, a miniature type of the Shiba Inu called “Mame Shiba”, bred via artificial selection to yield smaller individuals, is becoming more popular than the standard Shiba Inu and it is now one of the most popular breeds in Japan and China. The GM1 gangliosidosis mutation has yet to be surveyed in the Mame Shiba population. This study aimed to determine the frequency of the mutant allele and carrier rate of GM1 gangliosidosis in the Mame Shiba breed. Blood samples were collected from 1832 clinically healthy adult Mame Shiba Inus used for breeding across 143 Japanese kennels. The genotyping was performed using a real-time PCR assay. The survey found nine carriers among the Mame Shibas, indicating that the carrier rate and mutant allele frequency were 0.49% and 0.00246, respectively. This study demonstrated that the mutant allele has already been inherited by the Mame Shiba population. There is a risk of GM1 gangliosidosis occurrence in the Mame Shiba breed if breeders use carriers for mating. Further genotyping surveys are necessary for breeding Mame Shibas to prevent the inheritance of this disease.
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Pervin S, Islam MS, Tada N, Tsutsui T, Rahman MM, Yabuki A, Tacharina MR, Rakib TM, Maki S, Yamato O. Screening and Carrier Rate of Neuronal Ceroid Lipofuscinosis in Chihuahua Dogs in Japan. Animals (Basel) 2022; 12:1210. [PMID: 35565635 PMCID: PMC9106037 DOI: 10.3390/ani12091210] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/27/2022] [Accepted: 05/04/2022] [Indexed: 02/01/2023] Open
Abstract
Neuronal ceroid lipofuscinosis (NCL) is a group of rare lethal neurodegenerative lysosomal storage diseases that occur in a range of dog breeds, including Chihuahuas. Recently, a homozygous single base-pair deletion (c.846delT), which causes a frame shift generating a premature stop codon (p.Phe282Leufs13*) in the canine CLN7/MFSD8 gene, has been identified as a causative mutation for NCL in Chihuahuas. The objective of this study was to determine the frequency of the mutant allele and/or carrier rate of NCL in Chihuahuas in Japan using a newly designed real-time PCR assay. Samples of saliva were randomly collected from 1007 Chihuahua puppies during physical examinations prior to the transportation to pet shops. Screening results revealed a carrier rate of 1.29%, indicating a mutant allele frequency (0.00645) that is considered sufficiently high to warrant measures for the control and prevention of this lethal disease. The genotyping assay designed in this study could make a valuable contribution to the control and prevention of NCL.
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Affiliation(s)
- Shahnaj Pervin
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (S.P.); (M.S.I.); (N.T.); (M.M.R.); (A.Y.); (M.R.T.); (T.M.R.); (S.M.)
| | - Md Shafiqul Islam
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (S.P.); (M.S.I.); (N.T.); (M.M.R.); (A.Y.); (M.R.T.); (T.M.R.); (S.M.)
- Department of Pathology and Parasitology, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Naomi Tada
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (S.P.); (M.S.I.); (N.T.); (M.M.R.); (A.Y.); (M.R.T.); (T.M.R.); (S.M.)
- Japan Institute of Small Animal Reproduction (Bio Art), 3-16-9 Uchikanda, Chiyoda-ku, Tokyo 101-0047, Japan;
| | - Toshihiko Tsutsui
- Japan Institute of Small Animal Reproduction (Bio Art), 3-16-9 Uchikanda, Chiyoda-ku, Tokyo 101-0047, Japan;
| | - Mohammad Mahbubur Rahman
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (S.P.); (M.S.I.); (N.T.); (M.M.R.); (A.Y.); (M.R.T.); (T.M.R.); (S.M.)
- Department of Pathology and Parasitology, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Akira Yabuki
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (S.P.); (M.S.I.); (N.T.); (M.M.R.); (A.Y.); (M.R.T.); (T.M.R.); (S.M.)
| | - Martia Rani Tacharina
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (S.P.); (M.S.I.); (N.T.); (M.M.R.); (A.Y.); (M.R.T.); (T.M.R.); (S.M.)
- Faculty of Veterinary Medicine, Airlangga University, Campus C, Jl. Mulyorejo, Surabaya 60115, Indonesia
| | - Tofazzal Md Rakib
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (S.P.); (M.S.I.); (N.T.); (M.M.R.); (A.Y.); (M.R.T.); (T.M.R.); (S.M.)
- Department of Pathology and Parasitology, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Shinichiro Maki
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (S.P.); (M.S.I.); (N.T.); (M.M.R.); (A.Y.); (M.R.T.); (T.M.R.); (S.M.)
| | - Osamu Yamato
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (S.P.); (M.S.I.); (N.T.); (M.M.R.); (A.Y.); (M.R.T.); (T.M.R.); (S.M.)
- Faculty of Veterinary Medicine, Airlangga University, Campus C, Jl. Mulyorejo, Surabaya 60115, Indonesia
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Islam MS, Takagi M, Lee KW, Chang HS, Okawa H, Yunus M, Lestari TD, Tacharina MR, Pervin S, Rakib TM, Yabuki A, Yamato O. Frequency of an X-Linked Maternal Variant of the Bovine FOXP3 Gene Associated with Infertility in Different Cattle Breeds: A Pilot Study. Animals (Basel) 2022; 12:1044. [PMID: 35454290 PMCID: PMC9030747 DOI: 10.3390/ani12081044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 11/16/2022] Open
Abstract
Immune adaptation plays an essential role in determining pregnancy, which has been shown to be dependent on sufficient immunological tolerance mediated by FOXP3+ regulatory T cells. Recently, an X-linked maternal single-nucleotide polymorphism (SNP), located 2175 base pairs upstream of the start codon in the bovine FOXP3 gene (NC_037357.1: g.87298881A>G, rs135720414), was identified in Japanese Black (JB: Bos taurus) cows in association with recurrent infertility. However, with the exception of JB cows, the frequency of this SNP has yet to be studied in other cow populations. In this study, we thus aimed to evaluate the frequency of this SNP in different cow breeds. Between 2018 and 2021, a total of 809 DNA samples were obtained from 581 JB, 73 Holstein Friesian (HF: B. taurus), 125 Korean Hanwoo (KH: B. taurus coreanae), and 30 Indonesian Madura (IM: a crossbreed between B. indicus and B. javanicus) cows, which were genotyped using a TaqMan probe-based real-time polymerase chain reaction assay designed in this study. The frequency of the G allele was found to be relatively high in local IM (0.700), moderate in dairy HF (0.466), and low in beef JB (0.250) and KH (0.112) cows, with differences in the frequencies between each group being shown to be statistically significant (p < 0.005) using Fisher’s exact test. The results obtained in this study indicate that the G allele frequencies of the identified the SNP differ markedly in different breeds of taurine and indicine cattle. Given these findings, it would thus be important to evaluate the relationships between high frequencies of the G allele and infertility in different breeds.
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Affiliation(s)
- Md Shafiqul Islam
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (M.S.I.); (H.-S.C.); (S.P.); (T.M.R.); (A.Y.)
- Department of Pathology and Parasitology, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Mitsuhiro Takagi
- Laboratory of Theriogenology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8511, Japan;
| | - Keun-Woo Lee
- Department of Veterinary Internal Medicine, College of Veterinary Medicine, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, North Gyeongsang, Korea;
| | - Hye-Sook Chang
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (M.S.I.); (H.-S.C.); (S.P.); (T.M.R.); (A.Y.)
- Animal and Plant Quarantine Agency, 177, Hyeoksin 8-ro, Gimcheon-si 39660, Gyeongsangbuk-do, Korea
| | - Hiroaki Okawa
- Guardian Co., Ltd., 2794-127 Nishi-Beppu-cho, Kagoshima 890-0033, Japan;
| | - Muchammad Yunus
- Faculty of Veterinary Medicine, Airlangga University, Campus C, Mulyorejo, Surabaya 60115, Indonesia; (M.Y.); (T.D.L.); (M.R.T.)
| | - Tita Damayanti Lestari
- Faculty of Veterinary Medicine, Airlangga University, Campus C, Mulyorejo, Surabaya 60115, Indonesia; (M.Y.); (T.D.L.); (M.R.T.)
| | - Martia Rani Tacharina
- Faculty of Veterinary Medicine, Airlangga University, Campus C, Mulyorejo, Surabaya 60115, Indonesia; (M.Y.); (T.D.L.); (M.R.T.)
| | - Shahnaj Pervin
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (M.S.I.); (H.-S.C.); (S.P.); (T.M.R.); (A.Y.)
| | - Tofazzal Md Rakib
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (M.S.I.); (H.-S.C.); (S.P.); (T.M.R.); (A.Y.)
- Department of Pathology and Parasitology, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Akira Yabuki
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (M.S.I.); (H.-S.C.); (S.P.); (T.M.R.); (A.Y.)
| | - Osamu Yamato
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan; (M.S.I.); (H.-S.C.); (S.P.); (T.M.R.); (A.Y.)
- Faculty of Veterinary Medicine, Airlangga University, Campus C, Mulyorejo, Surabaya 60115, Indonesia; (M.Y.); (T.D.L.); (M.R.T.)
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Adult-Onset Neuronal Ceroid Lipofuscinosis in a Shikoku Inu. Vet Sci 2021; 8:vetsci8100227. [PMID: 34679057 PMCID: PMC8538799 DOI: 10.3390/vetsci8100227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 10/02/2021] [Accepted: 10/05/2021] [Indexed: 01/18/2023] Open
Abstract
A two-year-and-eleven-month-old male Shikoku Inu was referred for evaluation of progressive gait abnormality that had begun three months prior. Neurological examination revealed ventral flexion of the neck, a wide-based stance in the hindlimb, wide excursions of the head from side to side, tremor in all four limbs, hypermetria in all four limbs, proprioceptive deficits in all four limbs, reduced patellar reflex in both hindlimbs, and postural vertical nystagmus. Later, behavioral and cognitive dysfunction, ataxia, and visual deficits slowly progressed. Magnetic resonance imaging revealed symmetrical progressive atrophy of the whole brain and cervical spinal cord. Bilateral retinal degeneration was observed, and both flush and flicker electroretinograms were bilaterally non-recordable at the age of five years and eight months, and the dog was euthanized. Histopathologically, faint-to-moderate deposition of light-brown pigments was frequently observed in the cytoplasm of neurons throughout the cerebrum, cerebellum, and nuclei of the brainstem. The pigments were positive for Luxol fast blue, periodic acid–Schiff, and Sudan black B, and exhibited autofluorescence. Electron microscopic examination revealed the accumulation of membranous material deposition in the neuronal cytoplasm. Small foci of pigment-containing macrophages were frequently observed around the capillary vessels. Based on these clinical and pathological findings, the animal was diagnosed with adult-onset neuronal ceroid lipofuscinosis.
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Yoshizaki K, Hirata A, Matsushita H, Nishii N, Kawabe M, Mori T, Sakai H. PCR-based genotyping assays to detect germline APC variant associated with hereditary gastrointestinal polyposis in Jack Russell terriers. BMC Vet Res 2021; 17:32. [PMID: 33461531 PMCID: PMC7814721 DOI: 10.1186/s12917-020-02731-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 12/22/2020] [Indexed: 11/10/2022] Open
Abstract
Background The prevalence of gastrointestinal (GI) neoplastic polyps in Jack Russell terriers (JRTs) has increased in Japan since the late 2000s. Recently, we demonstrated that JRTs with GI polyps harbor identical germline variant in the APC gene (c.[462_463delinsTT]) in the heterozygous state. Thus, this disease is an autosomal dominant hereditary disorder. Although the affected JRTs have distinct features, such as the development of multiple GI polyps and an early age of disease onset, genetic testing is indispensable for a definitive diagnosis. Here, polymerase chain reaction (PCR)-based assays capable of detecting germline APC variant were designed and validated using synthetic wild-type and mutant DNAs and genomic DNAs from carrier and non-carrier dogs. Result First, the PCR-restriction fragment length polymorphism (PCR-RFLP) assay was developed by taking advantage of the germline APC variant creating a new restriction site for MseI. In the PCR-RFLP assay, the 156-bp region containing the variant site was amplified by PCR and subsequently digested with MseI, yielding diagnostic 51 and 58 bp fragments from the mutant allele and allowing determination of the APC genotypes. It was possible to determine the genotypes using genomic DNA extracted from the peripheral blood, buccal swab, or formalin-fixed paraffin-embedded tissue. Next, a TaqMan duplex real-time PCR assay was developed, where a 78-bp region flanking the variant was amplified in the presence of wild-type allele- and mutant allele-specific fluorescent probes. Using blood-derived DNA, altogether 40 cycles of PCR amplification determined the APC genotypes of all examined samples by measuring the fluorescence intensities. Importantly, false-positive and false-negative errors were never detected in both assays. Conclusion In this study, we developed highly reliable genetic tests for hereditary GI polyposis in JRTs, providing accurate assessment of the presence of the causative germline APC variant. The genotyping assays could contribute to the diagnosis and prevention of hereditary GI polyposis in dogs. Supplementary Information The online version contains supplementary material available at 10.1186/s12917-020-02731-7.
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Affiliation(s)
- Kyoko Yoshizaki
- Laboratory of Veterinary Pathology, Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Akihiro Hirata
- Laboratory of Veterinary Pathology, Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan.
| | - Hiroyuki Matsushita
- Laboratory of Veterinary Pathology, Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Naohito Nishii
- Laboratory of Veterinary Internal Medicine, Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Mifumi Kawabe
- Laboratory of Veterinary Clinical Radiology, Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Takashi Mori
- Laboratory of Veterinary Clinical Oncology, Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan.,Center for Highly Advanced Integration of Nano and Life Sciences, Gifu University (G-CHAIN), 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Hiroki Sakai
- Laboratory of Veterinary Pathology, Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan.,Center for Highly Advanced Integration of Nano and Life Sciences, Gifu University (G-CHAIN), 1-1 Yanagido, Gifu, 501-1193, Japan
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9
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Islam MS, Shinya U, Takagi M, Akahoshi T, Yabuki A, Pervin S, Rakib TM, Rahman MM, Tacharina MR, Yamato O. Carrier rate of the c.235G>C mutation in the bovine isoleucyl-tRNA synthetase (IARS) gene of Japanese Black cows at Kagoshima prefecture, Japan, and analysis of the metabolic profiling and reproductive performance of heterozygous cows. J Vet Med Sci 2020; 83:254-259. [PMID: 33298632 PMCID: PMC7972887 DOI: 10.1292/jvms.20-0356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Bovine isoleucyl-tRNA synthetase (IARS) disorder, a major cause of weak calf syndrome, is
caused by a homozygous missense (c.235G>C) mutation in the bovine IARS
gene of Japanese Black (JB) cattle, which was identified in 2013. However, the extent to
which the carrier rate has changed at Kagoshima prefecture, Japan, and whether the carrier
status is associated with any clinical or reproductive problems, have yet to be
ascertained. In this study, using a real-time polymerase chain reaction-based genotyping
assay, we determined the carrier rate in a regional JB cow population at Kagoshima
prefecture. Comparative analyses were performed on the metabolic profile test (MPT)
results and reproductive performance data obtained for heterozygous carrier and homozygous
wild-type cows. In 2009 and 2018, DNA samples were collected from 130 and 462 clinically
healthy JB cows, respectively, in Kagoshima prefecture. MPT results and reproductive
performance data were evaluated for 62 cows, comprising four heterozygous carriers and 58
wild-type cows. Genotyping revealed that the carrier rate was 6.9% in 2009 and 1.5% in
2018, the difference of which was statistically significant (P<0.005).
There were no statistically significant differences between the carrier and wild-type cows
with respect to either MPT results or reproductive performance, indicating that the
carrier cows have necessary IARS activity to maintain minimal health and reproductive
potential.
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Affiliation(s)
- Md Shafiqul Islam
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan.,Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Urara Shinya
- Soo Agriculture Mutual Aid Association, 2253 Tsukino, Osumi-cho, Soo, Kagoshima 899-8212, Japan
| | - Mitsuhiro Takagi
- Laboratory of Theriogenology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8511, Japan
| | - Takao Akahoshi
- Kagoshima Animal Hospital, 1875 Honmyou-cho, Kagoshima 891-1304, Japan
| | - Akira Yabuki
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Shahnaj Pervin
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Tofazzal Md Rakib
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan.,Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Mohammad Mahbubur Rahman
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan.,Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, Chattogram 4225, Bangladesh
| | - Martia Rani Tacharina
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan.,Faculty of Veterinary Medicine, Universitas Airlangga, Campus C Mulyorejo, Surabaya 60115, Indonesia
| | - Osamu Yamato
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan.,Faculty of Veterinary Medicine, Universitas Airlangga, Campus C Mulyorejo, Surabaya 60115, Indonesia
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10
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Menon DV, Patel D, Joshi CG, Kumar A. The road less travelled: The efficacy of canine pluripotent stem cells. Exp Cell Res 2019; 377:94-102. [DOI: 10.1016/j.yexcr.2019.01.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/20/2019] [Accepted: 01/22/2019] [Indexed: 12/28/2022]
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11
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Wuethrich A, Quirino JP. A decade of microchip electrophoresis for clinical diagnostics - A review of 2008-2017. Anal Chim Acta 2018; 1045:42-66. [PMID: 30454573 DOI: 10.1016/j.aca.2018.08.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 07/30/2018] [Accepted: 08/03/2018] [Indexed: 01/10/2023]
Abstract
A core element in clinical diagnostics is the data interpretation obtained through the analysis of patient samples. To obtain relevant and reliable information, a methodological approach of sample preparation, separation, and detection is required. Traditionally, these steps are performed independently and stepwise. Microchip capillary electrophoresis (MCE) can provide rapid and high-resolution separation with the capability to integrate a streamlined and complete diagnostic workflow suitable for the point-of-care setting. Whilst standard clinical diagnostics methods normally require hours to days to retrieve specific patient data, MCE can reduce the time to minutes, hastening the delivery of treatment options for the patients. This review covers the advances in MCE for disease detection from 2008 to 2017. Miniaturised diagnostic approaches that required an electrophoretic separation step prior to the detection of the biological samples are reviewed. In the two main sections, the discussion is focused on the technical set-up used to suit MCE for disease detection and on the strategies that have been applied to study various diseases. Throughout these discussions MCE is compared to other techniques to create context of the potential and challenges of MCE. A comprehensive table categorised based on the studied disease using MCE is provided. We also comment on future challenges that remain to be addressed.
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Affiliation(s)
- Alain Wuethrich
- Centre for Personalised Nanomedicine, Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, Building 75, Brisbane, QLD, 4072, Australia
| | - Joselito P Quirino
- Australian Centre for Research on Separation Science (ACROSS), School of Physical Sciences-Chemistry, University of Tasmania, Private Bag 75, Hobart, TAS, 7001, Australia.
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12
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Kolicheski A, Johnson GS, O'Brien DP, Mhlanga-Mutangadura T, Gilliam D, Guo J, Anderson-Sieg TD, Schnabel RD, Taylor JF, Lebowitz A, Swanson B, Hicks D, Niman ZE, Wininger FA, Carpentier MC, Katz ML. Australian Cattle Dogs with Neuronal Ceroid Lipofuscinosis are Homozygous for a CLN5 Nonsense Mutation Previously Identified in Border Collies. J Vet Intern Med 2016; 30:1149-58. [PMID: 27203721 PMCID: PMC5084771 DOI: 10.1111/jvim.13971] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 04/17/2016] [Accepted: 04/28/2016] [Indexed: 12/13/2022] Open
Abstract
Background Neuronal ceroid lipofuscinosis (NCL), a fatal neurodegenerative disease, has been diagnosed in young adult Australian Cattle Dogs. Objective Characterize the Australian Cattle Dog form of NCL and determine its molecular genetic cause. Animals Tissues from 4 Australian Cattle Dogs with NCL‐like signs and buccal swabs from both parents of a fifth affected breed member. Archived DNA samples from 712 individual dogs were genotyped. Methods Tissues were examined by fluorescence, electron, and immunohistochemical microscopy. A whole‐genome sequence was generated for 1 affected dog. A TaqMan allelic discrimination assay was used for genotyping. Results The accumulation of autofluorescent cytoplasmic storage material with characteristic ultrastructure in tissues from the 4 affected dogs supported a diagnosis of NCL. The whole‐genome sequence contained a homozygous nonsense mutation: CLN5:c.619C>T. All 4 DNA samples from clinically affected dogs tested homozygous for the variant allele. Both parents of the fifth affected dog were heterozygotes. Archived DNA samples from 346 Australian Cattle Dogs, 188 Border Collies, and 177 dogs of other breeds were homozygous for the reference allele. One archived Australian Cattle Dog sample was from a heterozygote. Conclusions and Clinical Importance The homozygous CLN5 nonsense is almost certainly causal because the same mutation previously had been reported to cause a similar form of NCL in Border Collies. Identification of the molecular genetic cause of Australian Cattle Dog NCL will allow the use of DNA tests to confirm the diagnosis of NCL in this breed.
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Affiliation(s)
- A Kolicheski
- Department of Veterinary Pathobiology, University of Missouri, Columbia, MO
| | - G S Johnson
- Department of Veterinary Pathobiology, University of Missouri, Columbia, MO
| | - D P O'Brien
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, MO
| | | | - D Gilliam
- Department of Veterinary Pathobiology, University of Missouri, Columbia, MO
| | - J Guo
- Department of Veterinary Pathobiology, University of Missouri, Columbia, MO
| | - T D Anderson-Sieg
- Department of Veterinary Pathobiology, University of Missouri, Columbia, MO
| | - R D Schnabel
- Division of Animal Sciences and Informatics Institute, University of Missouri, Columbia, MO
| | - J F Taylor
- Division of Animal Sciences, University of Missouri, Columbia, MO
| | - A Lebowitz
- Animal Medical Center of New York, New York, NY
| | - B Swanson
- Animal Medical Center of New York, New York, NY
| | - D Hicks
- Blue Pearl Veterinary Hospital, Tacoma, WA
| | - Z E Niman
- Chicago Veterinary Specialty Group, Chicago, IL
| | - F A Wininger
- Veterinary Specialty Services Neurology Department, Manchester, MO
| | - M C Carpentier
- Veterinary Specialty Services Neurology Department, Manchester, MO
| | - M L Katz
- Mason Eye Institute, University of Missouri, Columbia, MO
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13
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Mizukami K, Yabuki A, Kohyama M, Kushida K, Rahman MM, Uddin MM, Sawa M, Yamato O. Molecular prevalence of multiple genetic disorders in Border collies in Japan and recommendations for genetic counselling. Vet J 2016; 214:21-3. [PMID: 27387721 DOI: 10.1016/j.tvjl.2016.05.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 05/03/2016] [Accepted: 05/04/2016] [Indexed: 12/30/2022]
Abstract
Reproductive management is necessary to prevent deleterious genetic disorders in purebred dogs, but comprehensive studies aimed at prevention of multiple underlying genetic disorders in a single breed have not been performed. The aims of this study were to examine mutant allele frequencies associated with multiple genetic disorders, using Border collies as a representative breed, and to make recommendations for prevention of the disorders. Genotyping of known mutations associated with seven recessive genetic disorders was performed using PCR assays. More than half (56%) of the Border collies had no mutant alleles associated with any of the seven disorders, suggesting that these disorders can be removed from the population over several generations. Since frequencies of each mutant allele differed among disorders, reproductive management should be performed after the establishment of prevention schemes that are appropriate for each disorder, the type and specificity of genetic test available, and the effective population size in each breeding colony.
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Affiliation(s)
- K Mizukami
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
| | - A Yabuki
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
| | - M Kohyama
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
| | - K Kushida
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
| | - M M Rahman
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
| | - M M Uddin
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
| | - M Sawa
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
| | - O Yamato
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan.
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14
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Reichel MP, Lanyon SR, Hill FI. Moving past serology: Diagnostic options without serum. Vet J 2016; 215:76-81. [PMID: 27160006 PMCID: PMC7110768 DOI: 10.1016/j.tvjl.2016.04.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 04/12/2016] [Accepted: 04/19/2016] [Indexed: 11/05/2022]
Abstract
Traditional serology has moved beyond blood as a test medium. A number of different samples and tissues are now frequently used in veterinary diagnosis. Testing can be robust and accurate and opens up the field to a variety of new opportunities. Molecular testing allows direct testing for the agent on a variety of tissues and samples, and pools. Pooling of samples can allow for more efficient and cost-effective testing.
Detecting antibodies formed in serum in response to infection is the traditional function of serology. Diagnostic modalities have included complement fixation tests, agar gel immune-diffusion, radioimmunoassay, ELISA and immunofluorescence. More recent technology now allows for the direct detection of pathogens by PCR. This review details the options for diagnostic testing using specimen types other than serum, identifying the advantages and disadvantages of these options and providing evidence for more widespread use of these techniques and specimen types.
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Affiliation(s)
- Michael P Reichel
- School of Veterinary Medicine, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China; School of Animal and Veterinary Sciences, Roseworthy Campus, University of Adelaide, South Australia 5371, Australia.
| | - Sasha R Lanyon
- School of Animal and Veterinary Sciences, Roseworthy Campus, University of Adelaide, South Australia 5371, Australia
| | - Fraser I Hill
- Gribbles Veterinary, PO Box 536, Palmerston North 4440, New Zealand
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15
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Kohyama M, Tada N, Mitsui H, Tomioka H, Tsutsui T, Yabuki A, Rahman MM, Kushida K, Mizukami K, Yamato O. Real-time PCR genotyping assay for canine progressive rod-cone degeneration and mutant allele frequency in Toy Poodles, Chihuahuas and Miniature Dachshunds in Japan. J Vet Med Sci 2015; 78:481-4. [PMID: 26549343 PMCID: PMC4829521 DOI: 10.1292/jvms.15-0279] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Canine progressive rod-cone degeneration (PRCD) is a middle- to late-onset, autosomal
recessive, inherited retinal disorder caused by a substitution (c.5G>A) in the canine
PRCD gene that has been identified in 29 or more purebred dogs. In the
present study, a TaqMan probe-based real-time PCR assay was developed and evaluated for
rapid genotyping and large-scale screening of the mutation. Furthermore, a genotyping
survey was carried out in a population of the three most popular breeds in Japan (Toy
Poodles, Chihuahuas and Miniature Dachshunds) to determine the current mutant allele
frequency. The assay separated all the genotypes of canine PRCD rapidly, indicating its
suitability for large-scale surveys. The results of the survey showed that the mutant
allele frequency in Toy Poodles was high enough (approximately 0.09) to allow the
establishment of measures for the prevention and control of this disorder in breeding
kennels. The mutant allele was detected in Chihuahuas for the first time, but the
frequency was lower (approximately 0.02) than that in Toy Poodles. The mutant allele was
not detected in Miniature Dachshunds. This assay will allow the selective breeding of dogs
from the two most popular breeds (Toy Poodle and Chihuahua) in Japan and effective
prevention or control of the disorder.
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Affiliation(s)
- Moeko Kohyama
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
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16
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Kushida K, Giger U, Tsutsui T, Inaba M, Konno Y, Hayashi K, Noguchi K, Yabuki A, Mizukami K, Kohyama M, Endo Y, Yamato O. Real-time PCR genotyping assay for feline erythrocyte pyruvate kinase deficiency and mutant allele frequency in purebred cats in Japan. J Vet Med Sci 2015; 77:743-6. [PMID: 25716288 PMCID: PMC4488416 DOI: 10.1292/jvms.14-0600] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Erythrocyte pyruvate kinase (PK) deficiency is an inherited glycolytic erythroenzymopathy
caused by mutations of the PKLR gene. A causative mutation of the feline
PKLR gene was originally identified in Abyssinian and Somali cats in
the U.S.A. In the present study, a TaqMan probe-based real-time PCR genotyping assay was
developed and evaluated for rapid genotyping and large-scale screening for this mutation.
Furthermore, a genotyping survey was carried out in a population of four popular purebred
cats in Japan to determine the current mutant allele frequency. The assay clearly
displayed all genotypes of feline PK deficiency, indicating its suitability for
large-scale survey as well as diagnosis. The survey demonstrated that the mutant allele
frequency in Abyssinian and Somali cats was high enough to warrant measures to control and
prevent the disease. The mutant allele frequency was relatively low in Bengal and American
Shorthair cats; however, the testing should still be carried out to prevent the spread of
the disease. In addition, PK deficiency should always be considered in the differential
diagnosis of anemia in purebred cats in Japan as well as worldwide.
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Affiliation(s)
- Kazuya Kushida
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
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17
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Switonski M. Dog as a model in studies on human hereditary diseases and their gene therapy. Reprod Biol 2014; 14:44-50. [PMID: 24607254 DOI: 10.1016/j.repbio.2013.12.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Accepted: 12/24/2013] [Indexed: 12/31/2022]
Abstract
During the last 15 years spectacular progress has been achieved in knowledge on the dog genome organization and the molecular background of hereditary diseases in this species. A majority of canine genetic diseases have their counterparts in humans and thus dogs are considered as a very important large animal model in human biomedicine. Among canine monogenic diseases with known causative gene mutations there are two large groups classified as retinal dystrophies and lysosomal storage diseases. Specific types of these diseases are usually diagnosed in a single or several breeds. A well known disorder, restricted to a single breed, is congenital stationary night blindness described in Briards. This disease is a counterpart of Leber amaurosis in children. On the other hand, one of the most common monogenic human diseases (Duchenne muscular dystrophy), has its canine counterparts in several breeds (e.g., the Golden retriever, Beagle and German short-haired pointer). For some of the canine diseases gene therapy strategy was successfully applied, e.g., for congenital stationary night blindness, rod-cone dystrophy and muccopolysaccharydoses type I, IIIB and VII. Since phenotypic variability between the breeds is exceptionally high, the dog is an interesting model to study the molecular background of congenital malformations (e.g., dwarfism and osteoporosis imperfecta). Also disorders of sexual development (DSD), especially testicular or ovotesticular DSD (78,XX; SRY-negative), which is widely distributed across dozens of breeds, are of particular interest. Studies on the genetic background of canine cancers, a major health problem in this species, are also quite advanced. On the other hand, genetic studies on canine counterparts of major human complex diseases (e.g., obesity, the metabolic syndrome and diabetes mellitus) are still in their infancy.
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Affiliation(s)
- Marek Switonski
- Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Wolynska 33, 60-637 Poznan, Poland.
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18
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High frequency of a single nucleotide substitution (c.-6-180T>G) of the canine MDR1/ABCB1 gene associated with phenobarbital-resistant idiopathic epilepsy in Border Collie dogs. DISEASE MARKERS 2013; 35:669-72. [PMID: 24302812 PMCID: PMC3834651 DOI: 10.1155/2013/695918] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 10/11/2013] [Accepted: 10/24/2013] [Indexed: 01/28/2023]
Abstract
A single nucleotide substitution (c.-6-180T>G) associated with resistance to phenobarbital therapy has been found in the canine MDR1/ABCB1 gene in Border Collies with idiopathic epilepsy. In the present study, a PCR-restriction fragment length polymorphism assay was developed for genotyping this mutation, and a genotyping survey was carried out in a population of 472 Border Collies in Japan to determine the current allele frequency. The survey demonstrated the frequencies of the T/T wild type, T/G heterozygote, and G/G mutant homozygote to be 60.0%, 30.3%, and 9.8%, respectively, indicating that the frequency of the mutant G allele is extremely high (24.9%) in Border Collies. The results suggest that this high mutation frequency of the mutation is likely to cause a high prevalence of phenobarbital-resistant epilepsy in Border Collies.
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19
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Rahman MM, Yabuki A, Kohyama M, Mitani S, Mizukami K, Uddin MM, Chang HS, Kushida K, Kishimoto M, Yamabe R, Yamato O. Real-time PCR genotyping assay for GM2 gangliosidosis variant 0 in toy poodles and the mutant allele frequency in Japan. J Vet Med Sci 2013; 76:295-9. [PMID: 24161966 PMCID: PMC3982823 DOI: 10.1292/jvms.13-0443] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
GM2 gangliosidosis variant 0 (Sandhoff disease, SD) is a fatal, progressive
neurodegenerative lysosomal storage disease caused by mutations of the
HEXB gene. In canine SD, a pathogenic mutation (c.283delG) of the
canine HEXB gene has been identified in toy poodles. In the present
study, a TaqMan probe-based real-time PCR genotyping assay was developed and evaluated for
rapid and large-scale genotyping and screening for this mutation. Furthermore, a
genotyping survey was carried out in a population of toy poodles in Japan to determine the
current mutant allele frequency. The real-time PCR assay clearly showed all genotypes of
canine SD. The assay was suitable for large-scale survey as well as diagnosis, because of
its high throughput and rapidity. The genotyping survey demonstrated a carrier frequency
of 0.2%, suggesting that the current mutant allele frequency is low in Japan. However,
there may be population stratification in different places, because of the founder effect
by some carriers. Therefore, this new assay will be useful for the prevention and control
of SD in toy poodles.
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Affiliation(s)
- Mohammad Mahbubur Rahman
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
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Uddin MM, Arata S, Takeuchi Y, Chang HS, Mizukami K, Yabuki A, Rahman MM, Kohyama M, Hossain MA, Takayama K, Yamato O. Molecular epidemiology of canine GM1 gangliosidosis in the Shiba Inu breed in Japan: relationship between regional prevalence and carrier frequency. BMC Vet Res 2013; 9:132. [PMID: 23819787 PMCID: PMC3701567 DOI: 10.1186/1746-6148-9-132] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Accepted: 07/02/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Canine GM1 gangliosidosis is a fatal disease in the Shiba Inu breed, which is one of the most popular traditional breeds in Japan and is maintained as a standard breed in many countries. Therefore, it is important to control and reduce the prevalence of GM1 gangliosidosis for maintaining the quality of this breed and to ensure supply of healthy dogs to prospective breeders and owners. This molecular epidemiological survey was performed to formulate an effective strategy for the control and prevention of this disease. RESULTS The survey was carried out among 590 clinically unaffected Shiba Inu dogs from the 8 districts of Japan, and a genotyping test was used to determine nation-wide and regional carrier frequencies. The number and native district of affected dogs identified in 16 years from 1997 to June 2013 were also surveyed retrospectively. Of the 590 dogs examined, 6 dogs (1.02%, 6/590) were carriers: 3 dogs (2.27%, 3/132) from the Kinki district and the other 3 dogs from the Hokkaido, Kanto, and Shikoku districts. The retrospective survey revealed 23 affected dogs, among which, 19 dogs (82.6%) were born within the last 7 years. Of the 23 affected dogs, 12 dogs (52.2%) were from the Kinki district. Pedigree analysis demonstrated that all the affected dogs and carriers with the pedigree information have a close blood relationship. CONCLUSIONS Our results showed that the current carrier frequency for GM1 gangliosidosis is on the average 1.02% in Japan and rather high in the Kinki district, which may be related to the high prevalence observed over the past 16 years in this region. This observation suggests that carrier dogs are distributed all over Japan; however, kennels in the Kinki district may face an increased risk of GM1 gangliosidosis. Therefore, for effective control and prevention of this disease, it is necessary to examine as many breeding dogs as possible from all regions of Japan, especially from kennels located in areas with high prevalence and carrier frequency.
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Affiliation(s)
- Mohammad M Uddin
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
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CHANG HS, KAMISHINA H, MIZUKAMI K, MOMOI Y, KATAYAMA M, RAHMAN MM, UDDIN MM, YABUKI A, KOHYAMA M, YAMATO O. Genotyping Assays for the Canine Degenerative Myelopathy-Associated c.118G>A (p.E40K) Mutation of the SOD1 Gene Using Conventional and Real-Time PCR Methods: A High Prevalence in the Pembroke Welsh Corgi Breed in Japan. J Vet Med Sci 2013; 75:795-8. [DOI: 10.1292/jvms.12-0451] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Hye-Sook CHANG
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Kohrimoto, Kagoshima 890–0065, Japan
| | - Hiroaki KAMISHINA
- Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan
| | - Keijiro MIZUKAMI
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Kohrimoto, Kagoshima 890–0065, Japan
| | - Yasuyuki MOMOI
- Laboratory of Diagnostic Imaging, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Kohrimoto, Kagoshima 890–0065, Japan
| | - Masaaki KATAYAMA
- Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Faculty of Agriculture, Iwate, 3–18–8 Ueda, Morioka, Iwate 020–8550, Japan
| | - Mohammad Mahbubur RAHMAN
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Kohrimoto, Kagoshima 890–0065, Japan
| | - Mohammad Mejbah UDDIN
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Kohrimoto, Kagoshima 890–0065, Japan
| | - Akira YABUKI
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Kohrimoto, Kagoshima 890–0065, Japan
| | - Moeko KOHYAMA
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Kohrimoto, Kagoshima 890–0065, Japan
| | - Osamu YAMATO
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Kohrimoto, Kagoshima 890–0065, Japan
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Analysis of the canine genome and canine health: a commentary. Vet J 2012; 194:265-9. [PMID: 23088856 DOI: 10.1016/j.tvjl.2012.09.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Revised: 08/31/2012] [Accepted: 09/01/2012] [Indexed: 11/23/2022]
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Mizukami K, Kawamichi T, Koie H, Tamura S, Matsunaga S, Imamoto S, Saito M, Hasegawa D, Matsuki N, Tamahara S, Sato S, Yabuki A, Chang HS, Yamato O. Neuronal ceroid lipofuscinosis in Border Collie dogs in Japan: clinical and molecular epidemiological study (2000-2011). ScientificWorldJournal 2012; 2012:383174. [PMID: 22919312 PMCID: PMC3417203 DOI: 10.1100/2012/383174] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Accepted: 05/03/2012] [Indexed: 11/25/2022] Open
Abstract
Neuronal ceroid lipofuscinosis (NCL) is an inherited, neurodegenerative lysosomal disease that causes premature death. The present study describes the clinical and molecular epidemiologic findings of NCL in Border Collies in Japan for 12 years, between 2000 and 2011. The number of affected dogs was surveyed, and their clinical characteristics were analyzed. In 4 kennels with affected dogs, the dogs were genotyped. The genetic relationships of all affected dogs and carriers identified were analyzed. The survey revealed 27 affected dogs, but there was a decreasing trend at the end of the study period. The clinical characteristics of these affected dogs were updated in detail. The genotyping survey demonstrated a high mutant allele frequency in examined kennels (34.8%). The pedigree analysis demonstrated that all affected dogs and carriers in Japan are related to some presumptive carriers imported from Oceania and having a common ancestor. The current high prevalence in Japan might be due to an overuse of these carriers by breeders without any knowledge of the disease. For NCL control and prevention, it is necessary to examine all breeding dogs, especially in kennels with a high prevalence. Such endeavors will reduce NCL prevalence and may already be contributing to the recent decreasing trend in Japan.
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Affiliation(s)
- Keijiro Mizukami
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima 890-0065, Japan
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Mizukami K, Yabuki A, Kawamichi T, Chang HS, Rahman MM, Uddin MM, Kohyama M, Yamato O. Real-time PCR genotyping assay for canine trapped neutrophil syndrome and high frequency of the mutant allele in Border collies. Vet J 2012; 195:260-1. [PMID: 22795605 DOI: 10.1016/j.tvjl.2012.06.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2012] [Revised: 06/06/2012] [Accepted: 06/08/2012] [Indexed: 11/26/2022]
Abstract
Trapped neutrophil syndrome is an autosomal recessive inherited neutropenia in Border collies. The causative mutation is a 4base pair deletion in exon 19 of the canine VPS13B gene. In this study, a real-time PCR assay was developed and a genotyping survey was carried out in Border collies in Japan. The carrier frequency was 11.1%, suggesting that the mutant allele frequency is high enough to warrant measures to control and prevent the disease.
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Affiliation(s)
- Keijiro Mizukami
- Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima, Kagoshima 890-0065, Japan
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Rahman MM, Chang HS, Mizukami K, Hossain MA, Yabuki A, Tamura S, Kitagawa M, Mitani S, Higo T, Uddin MM, Uchida K, Yamato O. A frameshift mutation in the canine HEXB gene in toy poodles with GM2 gangliosidosis variant 0 (Sandhoff disease). Vet J 2012; 194:412-6. [PMID: 22766310 DOI: 10.1016/j.tvjl.2012.05.021] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2011] [Revised: 05/16/2012] [Accepted: 05/22/2012] [Indexed: 12/25/2022]
Abstract
GM2 gangliosidosis variant 0 (Sandhoff disease, SD) is a fatal, progressive neurodegenerative lysosomal storage disease caused by mutations in the HEXB gene. Toy poodles recently were reported as the second breed of dog with SD. The present paper describes the molecular defect of this canine SD as the first identification of a pathogenic mutation in the canine HEXB gene. Genomic and complementary DNA sequences covering exonic regions of the canine HEXB gene, except exon 1, were analysed using DNA and RNA in an affected dog. A homozygous single base pair deletion of guanine in exon 3 was identified at nucleotide position 283 of the putative open reading frame (c.283delG). This mutation has the potential to cause a frameshift resulting in the alteration of valine at amino acid position 59 to a stop codon (p.V59fsX). Genotyping using the mutagenically separated PCR method demonstrated a correlation between phenotype and genotype in dogs with a pedigree related to the disease and that the mutation was rare in a randomly-selected population of toy poodles. These results strongly suggest that the deletion is pathogenic.
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Affiliation(s)
- Mohammad M Rahman
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
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MIZUKAMI K, SHOUBUDANI T, NISHIMOTO S, KAWAMURA R, YABUKI A, YAMATO O. Trapped Neutrophil Syndrome in a Border Collie Dog: Clinical, Clinico-Pathologic, and Molecular Findings. J Vet Med Sci 2012; 74:797-800. [DOI: 10.1292/jvms.11-0472] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Keijiro MIZUKAMI
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
| | | | - Seira NISHIMOTO
- Athena Pet Care Clinic, 3 Tamaike-cho, Nishi-ku, Nagoya 452-0812, Japan
| | - Ryuta KAWAMURA
- Athena Pet Care Clinic, 3 Tamaike-cho, Nishi-ku, Nagoya 452-0812, Japan
| | - Akira YABUKI
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
| | - Osamu YAMATO
- Laboratory of Clinical Pathology, Department of Veterinary Medicine, Kagoshima University, 1-21-24 Kohrimoto, Kagoshima 890-0065, Japan
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