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Chavatte-Palmer P, Derisoud E, Robles M. Pregnancy and placental development in horses: an update. Domest Anim Endocrinol 2022; 79:106692. [PMID: 34823139 DOI: 10.1016/j.domaniend.2021.106692] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/15/2021] [Accepted: 10/19/2021] [Indexed: 11/03/2022]
Abstract
Horses have been domesticated by man and historical information mostly associates horses with men. Nowadays, however, horse riding is essentially by women. Women are also very much involved in equine sciences, with a large contribution to the understanding of fetoplacental development. While highlighting the work of female scientists, this review describes the recent advances in equine fetoplacental studies, focusing on data obtained by new generation sequencing and progress on the understanding of the role of placental progesterone metabolites throughout gestation. A second emphasis is made on fetal programming, a currently very active field, where the importance of maternal nutrition, mare management or the use of embryo technologies has been shown to induce long term effects in the offspring that might affect progeny's performance. Finally, new perspectives for the study of equine pregnancy are drawn, that will rely on new methodologies applied to molecular explorations and imaging.
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Affiliation(s)
- P Chavatte-Palmer
- Université Paris-Saclay, UVSQ, INRAE, BREED, Jouy-en-Josas 78350, France; Ecole Nationale Vétérinaire d'Alfort, BREED, Maisons-Alfort 94700, France.
| | - E Derisoud
- Université Paris-Saclay, UVSQ, INRAE, BREED, Jouy-en-Josas 78350, France; Ecole Nationale Vétérinaire d'Alfort, BREED, Maisons-Alfort 94700, France
| | - M Robles
- Université Paris-Saclay, UVSQ, INRAE, BREED, Jouy-en-Josas 78350, France; Ecole Nationale Vétérinaire d'Alfort, BREED, Maisons-Alfort 94700, France; INRS Centre Armand-Frappier Santé Biotechnologie, Laval, Québec H7V1B7, Canada
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2
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Swain O'Fallon EA. Emergency Management of Equid Foals in the Field. Vet Clin North Am Equine Pract 2021; 37:407-420. [PMID: 34243879 DOI: 10.1016/j.cveq.2021.04.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Foal emergencies can be intimidating to manage in the field, yet many conditions will respond well to the supportive care possible on the farm. Triage of the foal targets focused supportive care to stabilize the foal before referral to a hospital or to facilitate the management in the field. There are many diagnostic and therapeutic options available in the field setting to support a successful outcome on the farm.
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Affiliation(s)
- Elsbeth A Swain O'Fallon
- Department of Clinical Sciences, James L. Voss Veterinary Teaching Hospital, Colorado State University, 300 W. Drake Road, Fort Collins, CO 80523, USA.
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Boakari YL, Esteller-Vico A, Loux S, El-Sheikh Ali H, Fernandes CB, Dini P, Scoggin KE, Cray C, Ball BA. Serum amyloid A, Serum Amyloid A1 and Haptoglobin in pregnant mares and their fetuses after experimental induction of placentitis. Anim Reprod Sci 2021; 229:106766. [PMID: 34015726 DOI: 10.1016/j.anireprosci.2021.106766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 05/05/2021] [Accepted: 05/06/2021] [Indexed: 01/23/2023]
Abstract
Serum amyloid A (SAA) and Haptoglobin (Hp) are acute phase proteins, produced during inflammation, such as placentitis. In horses, SAA and SAA1 are protein coding genes. Objectives were to analyze SAA and Hp concentrations and relative abundance of SAA, SAA1 and Hp mRNA transcript in maternal and fetal tissues after experimental induction of placentitis or mares of a control group. Serum Amyloid A family proteins were in marked abundance in the stroma of the endometrium and chorioallantois associated with inflammatory cells. Maternal plasma SAA concentrations were greater (P = 0.01) in mares with experimentally induced placentitis compared to those of the control group. Maternal Hp from the groups were not different, but fetal Hp concentrations of mares with experimentally induced placentitis were greater (P = 0.02). Maternal plasma SAA and Hp concentrations were greater than fetal plasma concentrations in mares with experimentally induced placentitis (P < 0.05). Relative abundance of SAA mRNA transcript was greater in the maternal, fetal liver and chorioallantois of mares with experimentally induced placentitis (P < 0.05) compared to those in the control group. Interestingly, relative abundance of SAA1 mRNA transcript was greater in the chorioallantois of mares with experimentally induced placentitis (P < 0.05). The SAA and Hp concentrations, therefore, were greater in mares with induced placentitis. Furthermore, relative abundance of SAA1 mRNA transcript is specifically greater in the chorioallantois of mares with placentitis, which warrants further studies to elucidate the immunological response of SAA1 in the chorioallantois of mares with placentitis.
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Affiliation(s)
- Y Linhares Boakari
- Maxwell H. Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Kentucky, USA; Department of Clinical Sciences, Auburn University, Auburn, Alabama, USA
| | - A Esteller-Vico
- Maxwell H. Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Kentucky, USA; Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, University of Tennessee, USA
| | - S Loux
- Maxwell H. Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Kentucky, USA
| | - H El-Sheikh Ali
- Maxwell H. Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Kentucky, USA; Theriogenology Department, Faculty of Veterinary Medicine, University of Mansoura, Egypt
| | - C Barbosa Fernandes
- Maxwell H. Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Kentucky, USA; Department of Animal Reproduction, School of Veterinary Medicine and Animal Science, University of São Paulo, Brazil
| | - P Dini
- Maxwell H. Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Kentucky, USA; Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - K E Scoggin
- Maxwell H. Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Kentucky, USA
| | - C Cray
- Division of Comparative Pathology, University of Miami Miller School of Medicine, Miami, USA
| | - B A Ball
- Maxwell H. Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Kentucky, USA.
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Fedorka CE, Ball BA, Wynn MAA, McCormick ME, Scoggin KE, Esteller-Vico A, Curry TE, Kennedy LA, Squires EL, Troedsson MHT. Alterations of Circulating Biomarkers During Late Term Pregnancy Complications in the Horse Part II: Steroid Hormones and Alpha-Fetoprotein. J Equine Vet Sci 2021; 99:103395. [PMID: 33781417 DOI: 10.1016/j.jevs.2021.103395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/22/2021] [Accepted: 01/22/2021] [Indexed: 12/18/2022]
Abstract
Preterm labor and/or abortion causes considerable economic impact on the equine industry. Unfortunately, few experimental models exist for the induction of various pregnancy-related complications, and therefore extrapolations are made from the experimental model for ascending placentits, although inferences may be minimal. Certain steroid hormones (progestogens, estrogens) and fetal proteins (alpha-fetoprotein; AFP) might improve the diagnostics for abnormal pregnancy, but the utility of these markers in the field is unknown. To assess this, thoroughbred mares (n = 702) were bled weekly beginning in December 2013 until parturition/abortion. Following parturition, fetal membranes were assessed histopathologically and classified as either ascending placentitis (n = 6), focal mucoid placentitis (n = 6), idiopathic abortion (n = 6) or no disease (n = 20). Weekly serum samples were analyzed for concentrations of progesterone, estradiol-17β, and AFP. Samples were analyzed retrospectively from the week of parturition/abortion in addition to the preceding four weeks. For both ascending and focal mucoid placentitis, a significant increase in progesterone and AFP was noted, alongside a significant decrease in estradiol-17β and the ratio of estradiol-17β to progesterone in comparison to controls. In contrast, idiopathic abortions experienced a decrease in progesterone concentrations alongside an increase in AFP, and this was only noted in the week preceding parturition/abortion. In conclusion, spontaneous placental infection in the horse altered both endocrine and feto-secretory markers in maternal circulation, while minimal changes were noted preceding noninfectious idiopathic abortion. Additionally, this is the first study to report an alteration in steroid hormones and AFP during the disease process of focal mucoid placentitis, the etiology of which includes Nocardioform placentitis.
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Affiliation(s)
- Carleigh E Fedorka
- Department of Veterinary Sciences, University of Kentucky, Lexington, KY
| | - Barry A Ball
- Department of Veterinary Sciences, University of Kentucky, Lexington, KY.
| | - Michelle A A Wynn
- Department of Veterinary Sciences, University of Kentucky, Lexington, KY
| | - Meghan E McCormick
- Rhode Island College, College of Nursing, Providence, RI; Rhode Island Department of Health, Providence, RI
| | - Kirsten E Scoggin
- Department of Veterinary Sciences, University of Kentucky, Lexington, KY
| | | | - Thomas E Curry
- University of Kentucky, College of Medicine, Lexington, KY
| | - Laura A Kennedy
- Department of Veterinary Sciences, University of Kentucky, Lexington, KY
| | - Edward L Squires
- Department of Veterinary Sciences, University of Kentucky, Lexington, KY
| | - Mats H T Troedsson
- Department of Veterinary Sciences, University of Kentucky, Lexington, KY
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Heil BA, Paccamonti DL, Sones JL. Role for the mammalian female reproductive tract microbiome in pregnancy outcomes. Physiol Genomics 2019; 51:390-399. [PMID: 31251700 DOI: 10.1152/physiolgenomics.00045.2019] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Since the discovery of the microbiome in humans, it has been studied in many mammalian species. Different microbiological communities with variable richness and diversity have been found among these species in distinct areas of the reproductive tract. Human studies have shown that the composition of the microbiome is dependent on body site and several host-related factors. Furthermore, specific phyla have been identified among the different species and within distinct areas of the female reproductive tract, but a "core" microbiome of the female reproductive tract has not been defined in any species. Moreover, the function of the microbiome in the reproductive tract is not yet fully understood. However, it has been suggested that a change in diversity of the microbiome and the presence or absence of specific microbial species might be useful indicators of pregnancy outcomes. Increased comprehensive knowledge of the microbiological communities in the female reproductive tract is needed since adverse outcomes represent a significant problem to many species, including livestock, exotic or endangered species, and humans. To the authors' knowledge, a review combining current female reproductive tract microbiome data among different mammalian species has not been published yet. Herein is a comprehensive review of what is known in the field of the female reproductive microbiome and how it correlates with reproductive success or failure in mammals. Further studies may lead to optimization of therapies in the treatment of reproductive tract infections and pregnancy failure, and may create opportunities for novel approaches for improving reproductive efficiency in animals and people.
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Affiliation(s)
- Babiche A Heil
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana
| | - Dale L Paccamonti
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana
| | - Jenny L Sones
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana
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Beachler T, Gracz H, Long NM, Borst L, Morgan D, Nebel A, Andrews N, Koipillai J, Frable S, Bembenek Bailey S, Ellis K, Von Dollen K, Lyle S, Gadsby J, Bailey CS. Allantoic Metabolites, Progesterone, and Estradiol-17β Remain Unchanged After Infection in an Experimental Model of Equine Ascending Placentitis. J Equine Vet Sci 2019. [DOI: 10.1016/j.jevs.2018.11.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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7
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Abnormal pregnancies associated with deviation in progestin and estrogen profiles in late pregnant mares: A diagnostic aid. Theriogenology 2017; 98:75-81. [DOI: 10.1016/j.theriogenology.2017.04.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Revised: 04/16/2017] [Accepted: 04/18/2017] [Indexed: 11/22/2022]
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Transrectal ultrasonography for measuring of combined utero-placental thickness in pregnant Mangalarga Marchador mares. Theriogenology 2017; 96:142-144. [DOI: 10.1016/j.theriogenology.2017.04.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Revised: 04/04/2017] [Accepted: 04/05/2017] [Indexed: 11/20/2022]
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Sano Y, Matsuda K, Osaki K, Miyasho T, Tsuda T, Taniyama H. Systemic mycobacteriosis in an aborted thoroughbred fetus in Japan. J Vet Med Sci 2014; 76:1617-21. [PMID: 25649944 PMCID: PMC4300377 DOI: 10.1292/jvms.14-0276] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A male Thoroughbred fetus was
aborted on day 251 of pregnancy. Gross and histological examinations detected systemic
granulomatous lesions in many superficial and visceral lymph nodes and organs including
the liver, tonsils, lungs, thymus, spleen, right thyroid gland and gastrointestinal tract,
and suppurative placentitis, pyogranulomatous amnionitis and intralesional acid-fast
bacilli were also detected. An examination of the DNA base sequence of the β subunit of
RNA polymerase demonstrated that Mycobacterium avium strain 104 had
infected several organs. To the best of our knowledge, this is the first report of equine
fetal mycobacterial infection in Japan.
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Affiliation(s)
- Yuto Sano
- Department of Veterinary Pathology, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido 069-8501, Japan
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Davis HA, Stanton MB, Thungrat K, Boothe DM. Uterine bacterial isolates from mares and their resistance to antimicrobials: 8,296 cases (2003–2008). J Am Vet Med Assoc 2013; 242:977-83. [DOI: 10.2460/javma.242.7.977] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Todhunter KH, Muscatello G, Blishen AJ, Chicken C, Perkins NR, Gilkerson JR, Begg AP. Bacteria isolated from field cases of equine amnionitis and fetal loss. Aust Vet J 2013; 91:138-42. [DOI: 10.1111/avj.12022] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/31/2012] [Indexed: 11/29/2022]
Affiliation(s)
- KH Todhunter
- Tails and Scales Veterinary Services; Scone; NSW; Australia
| | - G Muscatello
- Equine Infectious Disease Laboratory; School of Veterinary Science; The University of Melbourne; Victoria; Australia
| | - AJ Blishen
- Scone Veterinary Hospital; Scone; NSW; Australia
| | - C Chicken
- Scone Veterinary Hospital; Scone; NSW; Australia
| | - NR Perkins
- AusVet Animal Health Services; Toowoomba; Queensland; Australia
| | - JR Gilkerson
- Equine Infectious Disease Laboratory; School of Veterinary Science; The University of Melbourne; Victoria; Australia
| | - AP Begg
- Vetnostics; North Ryde; NSW; Australia
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Erol E, Williams NM, Sells SF, Kennedy L, Locke SJ, Donahue JM, Carter CN. Antibiotic susceptibility patterns of Crossiella equi and Amycolatopsis species causing nocardioform placentitis in horses. J Vet Diagn Invest 2012; 24:1158-61. [DOI: 10.1177/1040638712462377] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Nocardioform actinomycetes are significant causes of placentitis and abortions in horses. In the current study, antimicrobial susceptibility patterns of 38 Amycolatopsis spp. and 22 Crossiella equi isolates, the most common nocardioform actinomycetes causing placentitis in horses, were evaluated. Antimicrobial susceptibilities of these isolates were tested by broth microdilution method in a commercial system, which was designed for Nocardia spp., fast-growing Mycobacterium spp., and other aerobic actinomycetes. The minimum inhibitory concentration required to inhibit the growth of 90% of organisms (MIC90) of the following antibiotics tested for Amycolatopsis spp. were: 4 µg/ml for linezolid, trimethophrim–sulfametaxazole (TMP-SMX), and ciprofloxacin; 8 µg/ml for ceftriaxone, doxycycline, and minocycline; 16 µg/ml for amoxicillin–clavulanic acid, clarithromycin, and imipenem; >16 µg/ml for tobramycin; 32 µg/ml for amikacin and cefepime; and 128 µg/ml for cefoxitin. The MIC90 levels for C. equi were 0.25 µg/ml for doxycycline; ≤1 µg/ml for minocycline; 2 µg/ml for linezolid and TMP-SMX; 4 µg/ml for ciprofloxacin; 8 µg/ml for amoxicillin–clavulanic acid, ceftriaxone, and imipenem; 16 µg/ml for clarithromycin; >16 µg/ml for tobramycin; 32 µg/ml for cefepime; >64 µg/ml for amikacin; and 128 µg/ml for cefoxitin.
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Affiliation(s)
- Erdal Erol
- University of Kentucky, Veterinary Diagnostic Laboratory, Lexington, KY
| | - Neil M. Williams
- University of Kentucky, Veterinary Diagnostic Laboratory, Lexington, KY
| | - Stephen F. Sells
- University of Kentucky, Veterinary Diagnostic Laboratory, Lexington, KY
| | - Laura Kennedy
- University of Kentucky, Veterinary Diagnostic Laboratory, Lexington, KY
| | - Stephen J. Locke
- University of Kentucky, Veterinary Diagnostic Laboratory, Lexington, KY
| | - James M. Donahue
- University of Kentucky, Veterinary Diagnostic Laboratory, Lexington, KY
| | - Craig N. Carter
- University of Kentucky, Veterinary Diagnostic Laboratory, Lexington, KY
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Cawdell-Smith AJ, Todhunter KH, Anderson ST, Perkins NR, Bryden WL. Equine amnionitis and fetal loss: mare abortion following experimental exposure to Processionary caterpillars (Ochrogaster lunifer). Equine Vet J 2011; 44:282-8. [PMID: 21815917 DOI: 10.1111/j.2042-3306.2011.00424.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
REASONS FOR PERFORMING STUDY In Australia, there have been recent reports of unusual abortions in mid- to late-gestation mares. These were clinically distinct from other recognised causes of pregnancy loss and the term 'equine amnionitis and fetal loss' (EAFL) was adopted to describe this syndrome. Initial investigations concluded that possible causal factors included the presence on affected stud farms of Processionary caterpillars (Ochrogaster lunifer). OBJECTIVES To determine if exposure of pregnant mares to Processionary caterpillars or their shed exoskeletons can induce EAFL. METHODS Processionary caterpillars and their shed exoskeletons were collected and stored frozen. Mid-gestation mares were dosed with a slurry of caterpillars or shed exoskeleton by nasogastric intubation. Their clinical responses and times to abortion were recorded. All aborted fetuses were autopsied and samples taken for bacteriological and virological culture and histopathology. RESULTS Intubating mares in mid-pregnancy with preparations of either whole Processionary caterpillars or shed caterpillar exoskeletons induced abortion with few impending clinical signs. The gross pathological and bacteriological findings of the aborted fetuses were similar to those observed in field cases of EAFL. POTENTIAL RELEVANCE Possible exposure to Processionary caterpillars should be considered when examining cases of fetal loss in the mare. The present results provide a starting point to further explore the aetiology and pathogenesis of EAFL.
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Affiliation(s)
- A J Cawdell-Smith
- Equine Research Unit, School of Agriculture and Food Sciences, The University of Queensland, Gatton, Queensland, Australia.
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