Megan Elizabeth Schreeg
Works (24)
Updated: December 22nd, 2023 05:01
2023 article
Histologic characterization of the major duodenal papilla and association with concurrent biliary, pancreatic, and intestinal pathology in cats
Schreeg, M. E., Cullen, J. M., Robertson, J., & Gookin, J. L. (2023, August 10). VETERINARY PATHOLOGY, Vol. 8.
author keywords: ampulla of Vater; cat; cholangitis; enteritis; lymphoma; major duodenal papillitis; pancreatitis
TL;DR:
Ass associations between MDP anatomy/disease and the presence of biliary, pancreatic, or intestinal inflammation or neoplasia are identified and suggest that anatomy, immune activation, and/or inflammation of the MDP may play a role in the pathogenesis of triaditis.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 21, 2023
2023 article
Ingesta-associated choledocholithiasis in horses: 2 cases and literature review
Linn-Peirano, S. C. C., Hepworth-Warren, K., Kinsella, H., Diaz-Campos, D., Brenseke, B. M. M., Cianciolo, R. E. E., … Schreeg, M. E. E. (2023, May 26). JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, Vol. 5.
author keywords: cholangiohepatitis; cholangitis; cholelithiasis; colic; foreign body; horses; liver; plant
MeSH headings : Horses; Animals; Female; Choledocholithiasis / veterinary; Choledocholithiasis / complications; Colic / complications; Colic / veterinary; Cholangitis / veterinary; Fibrosis; Fever / complications; Fever / veterinary; Horse Diseases / pathology
TL;DR:
The clinical, gross, histologic, and microbiologic features of this condition in 2 horses and compare the features to 2 previous cases are described.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: June 19, 2023
2023 article
Microbiome analysis of bile from apparently healthy cats and cats with suspected hepatobiliary disease
Slead, T. S., Callahan, B. J., Schreeg, M. E., Seiler, G. S., Stowe, D. M., Azcarate-Peril, M. A., … Gookin, J. L. (2023, September 13). JOURNAL OF VETERINARY INTERNAL MEDICINE, Vol. 9.
author keywords: cholangitis; feline; gallbladder; microbiota
TL;DR:
Cat bile does not harbor a core microbiota composed of bacterial taxa common to many individuals and Uncultured bacteria may contribute to pathogenesis of hepatobiliary disease in cats with bile E. coli infection.
(via Semantic Scholar)
onlinelibrary.wiley.com (publisher PDF)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 14, 2023
2023 article
Retrospective analysis of histologic lesions in captive arachnids
Gaudette, C., LaDouceur, E. E. B., Troan, B. V., Whitehurst, N., Dombrowski, D. S., Lewbart, G. A., … Schreeg, M. E. (2023, April 10). VETERINARY PATHOLOGY, Vol. 4.
author keywords: Araneae; arthropod; Heterometrus; histopathology; inflammation; invertebrate; scorpion; Scorpiones; tarantula
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: May 1, 2023
2023 article
Severe bronchiectasis resulting from chronic bacterial bronchitis and bronchopneumonia in a jungle cat
Kang, D., Womble, M., Cullen, J. M., Harrison, T. M., Premanandan, C., & Schreeg, M. E. (2023, November 28). JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, Vol. 11.
author keywords: Escherichia coli; exotic animal; Felidae; lung; Proteus; respiratory disease; zoo animal
TL;DR:
Chronic bronchitis and bronchopneumonia should be considered as a cause of bronchiectasis and a differential diagnosis for respiratory disease in non-domestic felids.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: December 18, 2023
2022 article
Ameloblastic carcinoma in horses: case report and literature review
Schreeg, M. E., Radkin, M., Haugland, J., Murphy, B. G., Rushton, S., & Linder, K. E. (2022, January 17). JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION.
author keywords: ameloblast; ameloblastic carcinoma; odontogenic neoplasm; odontogenesis; oral tumor; horses
MeSH headings : Ameloblastoma / diagnosis; Ameloblastoma / pathology; Ameloblastoma / veterinary; Animals; Carcinoma / veterinary; Female; Horse Diseases / diagnostic imaging; Horse Diseases / pathology; Horses; Keratins; Mandibular Neoplasms / diagnosis; Mandibular Neoplasms / pathology; Mandibular Neoplasms / veterinary; Odontogenic Tumors / diagnostic imaging; Odontogenic Tumors / veterinary; Vimentin
TL;DR:
Ameloblastic carcinoma should be considered as a differential diagnosis for rapidly growing, locally invasive masses arising from the dentate jaw of horses.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
14. Life Below Water
(OpenAlex)
Source: Web Of Science
Added: February 7, 2022
2022 article
Pathology in Practice
Bauer, K., Murillo, D. F. B., Schreeg, M. E., Borst, L. B., & Watanabe, T. T. N. (2022, September). JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, Vol. 260, pp. 1466–1468.
MeSH headings : Animals; Animal Diseases / diagnosis
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 13, 2023
2021 article
Choledochal cyst with secondary cholangitis, choledochitis, duodenal papillitis, and pancreatitis in a young domestic shorthair cat
Schreeg, M. E., Miller, S. A., & Cullen, J. M. (2021, May 24). JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION.
author keywords: bile ducts; cats; cholangitis; choledochal cyst; congenital; liver; pancreatitis
MeSH headings : Animals; Cat Diseases / diagnosis; Cat Diseases / pathology; Cats; Cholangitis / diagnosis; Cholangitis / etiology; Cholangitis / veterinary; Choledochal Cyst / complications; Choledochal Cyst / veterinary; Duodenal Diseases / diagnosis; Duodenal Diseases / etiology; Duodenal Diseases / veterinary; Female; Pancreatitis / diagnosis; Pancreatitis / etiology; Pancreatitis / veterinary
TL;DR:
Choledochal cysts can be associated with chronic neutrophilic cholangitis, extrahepatic obstruction, choledochitis, duodenal papillitis, and pancreatitis and should be a differential for increased hepatic enzymes and hyperbilirubinemia in young cats.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Source: Web Of Science
Added: June 10, 2021
2021 journal article
Concurrent Clostridial Enteritis and Oviductal Adenocarcinoma with Carcinomatosis in an Adult Alpaca (Vicugna pacos)
JOURNAL OF COMPARATIVE PATHOLOGY, 189, 52–58.
author keywords: alpaca; Camelidae; Clostridium spp; oviductal adenocarcinoma
MeSH headings : Adenocarcinoma / veterinary; Animals; Camelids, New World; Enteritis / veterinary; Female; Peritoneal Neoplasms / veterinary; Polymerase Chain Reaction / veterinary
TL;DR:
The prominent ciliated morphology of the neoplastic cells and the classification of human fallopian tube (oviduct) neoplasia lead us to propose oviductal adenocarcinoma with widespread carcinomatosis as the definitive diagnosis of an adult alpaca with a history of colic and anorexia.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: December 13, 2021
2021 journal article
Surgical management and histopathology of wen overgrowth and neoplasia in four oranda goldfish (Carassius auratus)
VETERINARY RECORD CASE REPORTS, 9(1).
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: March 8, 2021
2020 journal article
A new piroplasmid species infecting dogs: morphological and molecular characterization and pathogeny of Babesia negevi n. sp.
PARASITES & VECTORS, 13(1).
author keywords: Babesia negevi n; sp; Canine; Israel; Ornithodoros tholozani; Borrelia persica; Babesia duncani; Babesia conradae
MeSH headings : Animals; Babesia / classification; Babesia / cytology; Babesia / pathogenicity; Babesiosis / blood; Babesiosis / diagnosis; Babesiosis / parasitology; Borrelia / genetics; Borrelia / pathogenicity; Coinfection / microbiology; Coinfection / parasitology; Coinfection / veterinary; Cyclooxygenase 1 / genetics; Dog Diseases / blood; Dog Diseases / parasitology; Dogs; Female; Israel; Male; Phylogeny; RNA, Ribosomal, 18S / genetics; Sequence Analysis, DNA; Ticks / microbiology; Ticks / parasitology
TL;DR:
A new species of Babesia n.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
15. Life on Land
(OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 18, 2020
2019 journal article
Cardiac Leiomyosarcoma in a Cat Presenting for Bilateral Renal Neoplasia
JOURNAL OF COMPARATIVE PATHOLOGY, 168, 19–24.
author keywords: cardiac neoplasia; cat; immunohistochemistry; leiomyosarcoma
MeSH headings : Animals; Cat Diseases / pathology; Cats; Female; Heart Neoplasms / veterinary; Kidney Neoplasms / veterinary; Leiomyosarcoma / veterinary
TL;DR:
A 10-year-old neutered female domestic longhair cat was presented to a tertiary care veterinary hospital for evaluation of a right renal mass that was identified incidentally on abdominal radiographs as a sarcoma based on fine needle aspiration cytology, and diagnosed with cardiac leiomyosarcoma with pulmonary and bilateral renal metastasis.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Source: Web Of Science
Added: June 4, 2019
2019 journal article
Clinical, morphological, and molecular characterization of an undetermined Babesia species in a maned wolf (Chrysocyon brachyurus)
TICKS AND TICK-BORNE DISEASES, 10(1), 124–126.
author keywords: Babesia; Maned wolf; Chrysocyon brachyurus; PCR; Blood smear; Raccoon
MeSH headings : Animals; Animals, Zoo; Anti-Infective Agents / therapeutic use; Babesia / classification; Babesia / cytology; Babesia / genetics; Babesia / isolation & purification; Babesiosis / drug therapy; Babesiosis / microbiology; Canidae; Female; Treatment Outcome
TL;DR:
Clinical, morphological and molecular characterization of a possible novel Babesia species infection of a maned wolf with infection by an undetermined species suggested a unique Babesian species that is most closely related to a BabesIA species that has been found to infect raccoons in North America.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 28, 2019
2018 journal article
Genetic conservation of Cytauxzoon felis antigens and mRNA expression in the schizont life-stage
VETERINARY PARASITOLOGY, 263, 49–53.
author keywords: Feline; Cytauxzoon felis; Cytauxzoonosis; Antigen; Vaccine candidate; Genetic conservation
MeSH headings : Animals; Antigens, Protozoan / genetics; Cat Diseases / parasitology; Cats; DNA, Protozoan / genetics; Piroplasmida / genetics; Protozoan Infections, Animal / mortality; Protozoan Infections, Animal / parasitology; Protozoan Infections, Animal / prevention & control; Protozoan Vaccines / genetics; Protozoan Vaccines / immunology; RNA, Messenger / genetics; Schizonts / genetics
TL;DR:
The suitability of three C. felis antigens for further investigation as vaccine candidates against cytauxzoonosis is assessed and robust levels of all transcripts in the schizont life stage of the parasite are revealed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 3, 2018
2018 journal article
Identification of Cytauxzoon felis antigens via protein microarray and assessment of expression library immunization against cytauxzoonosis
CLINICAL PROTEOMICS, 15(1).
author keywords: Cytauxzoonosis; Cytauxzoon felis; Expression library immunization; Protein microarray; Piroplasmid; Vaccine
TL;DR:
Protein microarray facilitated high-throughput identification of novel antigens, substantially increasing the pool of characterized C. felis Antigens and should be considered for development of C.Felis vaccines, diagnostics, and therapeutics.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 14, 2019
2018 journal article
Molecular detection of vector-borne pathogens in Greek cats
TICKS AND TICK-BORNE DISEASES, 9(2), 171–175.
author keywords: Vector-borne pathogens; Bartonella spp.; Haemoplasmas; Cat; Greece
MeSH headings : Animals; Bacteria / isolation & purification; Bacterial Infections / epidemiology; Bacterial Infections / microbiology; Bacterial Infections / veterinary; Cat Diseases / epidemiology; Cat Diseases / microbiology; Cat Diseases / parasitology; Cats; Greece / epidemiology; Piroplasmida / isolation & purification; Prevalence; Protozoan Infections, Animal / epidemiology; Protozoan Infections, Animal / parasitology
TL;DR:
This study represents the first description of Bartonella koehlerae in Greek cats, and there was no significant difference in either haemoplasma or Bart onella infection rates when comparing healthy and sick cats.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2017 journal article
Improved molecular detection of Babesia infections in animals using a novel quantitative real-time PCR diagnostic assay targeting mitochondrial DNA
Parasites & Vectors, 10(1).
author keywords: Canine babesiosis; Babesia; Mitochondrial DNA; Quantitative PCR
MeSH headings : Animals; Babesia / classification; Babesiosis / diagnosis; Babesiosis / parasitology; DNA, Mitochondrial / genetics; DNA, Protozoan / genetics; Real-Time Polymerase Chain Reaction / methods; Real-Time Polymerase Chain Reaction / veterinary
TL;DR:
A more sensitive qPCR assay with a more expansive range of Babesia spp.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
15. Life on Land
(OpenAlex)
Sources: Web Of Science, Crossref, NC State University Libraries, ORCID
Added: August 6, 2018
2016 journal article
Mitochondrial Genome Sequences and Structures Aid in the Resolution of Piroplasmida phylogeny
PLOS ONE, 11(11).
Contributors: n, H. Marr n, J. Tarigo n, L. Cohn*, D. Bird n , E. Scholl n, M. Levy n, B. Wiegmann n , A. Birkenheuer n
MeSH headings : DNA, Protozoan / genetics; Genome, Mitochondrial; Humans; Phylogeny; Piroplasmida / classification; Piroplasmida / genetics; Protozoan Infections / parasitology
TL;DR:
Phylogenetic analysis of concatenated mitochondrial and 18S sequences as well as cox1 amino acid sequence identified five distinct Piroplasmida groups, each of which possesses a unique mitochondrial genome structure.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018
2016 journal article
PCR amplification of a multi-copy mitochondrial gene (cox3) improves detection of Cytauxzoon felis infection as compared to a ribosomal gene (18S)
VETERINARY PARASITOLOGY, 225, 123–130.
Contributors: n, H. Marr n, E. Griffith n, J. Tarigo n, D. Bird n , M. Reichard *, L. Cohn*, M. Levy n, A. Birkenheuer n
author keywords: Cytauxzoonosis; Cytochrome c oxidase; Piroplasmosis; Mitochondria; Feline; Molecular diagnostic assays
MeSH headings : Animals; Cat Diseases / diagnosis; Cats; DNA, Protozoan / blood; DNA, Protozoan / genetics; Electron Transport Complex IV / genetics; Gene Dosage; Haemosporida / genetics; Polymerase Chain Reaction / standards; Polymerase Chain Reaction / veterinary; Protozoan Infections, Animal / diagnosis; RNA, Ribosomal, 18S / genetics; Sensitivity and Specificity
TL;DR:
A PCR assay targeting the C. felis mitochondrial gene cytochrome c oxidase subunit III (cox3) is designed and demonstrated that the cox3 PCR can detect as low as 1 copy of DNA target and can detect C.Felis during early infections.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2015 journal article
Rapid High-Resolution Melt Analysis of Cytauxzoon felis Cytochrome b To Aid in the Prognosis of Cytauxzoonosis
JOURNAL OF CLINICAL MICROBIOLOGY, 53(8), 2517–2524.
MeSH headings : Alleles; Animals; Antiprotozoal Agents / therapeutic use; Atovaquone / therapeutic use; Azithromycin / therapeutic use; Cat Diseases / diagnosis; Cat Diseases / drug therapy; Cat Diseases / parasitology; Cats; Cytochromes b / genetics; Genotype; Genotyping Techniques / methods; Piroplasmida / drug effects; Piroplasmida / genetics; Piroplasmida / isolation & purification; Polymerase Chain Reaction / methods; Prognosis; Protozoan Infections, Animal / diagnosis; Protozoan Infections, Animal / drug therapy; Protozoan Infections, Animal / parasitology; Protozoan Proteins / genetics; Sensitivity and Specificity; Transition Temperature; Veterinary Medicine / methods
TL;DR:
The purpose of this study was to design a PCR panel that could distinguish C. felis cytb1 from other cytochrome b genotypes, and this panel was predicted to distinguish cytb 1 from other cytb genotypes through the use of high-resolution melt analysis.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2013 journal article
Pharmacogenomics of Cytauxzoon felis Cytochrome b: Implications for Atovaquone and Azithromycin Therapy in Domestic Cats with Cytauxzoonosis
JOURNAL OF CLINICAL MICROBIOLOGY, 51(9), 3066–3069.
MeSH headings : Animals; Anti-Infective Agents / pharmacokinetics; Anti-Infective Agents / therapeutic use; Atovaquone / pharmacokinetics; Atovaquone / therapeutic use; Azithromycin / pharmacokinetics; Azithromycin / therapeutic use; Cat Diseases / drug therapy; Cat Diseases / parasitology; Cats; Cytochromes b / genetics; Cytochromes b / metabolism; Pharmacogenetics; Piroplasmida / genetics; Piroplasmida / metabolism; Protozoan Infections / drug therapy; Protozoan Infections / parasitology
TL;DR:
This work characterized the C. felis cytochrome b gene (cytb) in cats with cytauxzoonosis and found a cytb genotype that was associated with survival in A&A-treated cats.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2012 journal article
Congenital Adrenal Hyperplasia Associated with Mutation in an 11 ss-Hydroxylase-Like Gene in a Cat
JOURNAL OF VETERINARY INTERNAL MEDICINE, 26(5), 1221–1226.
author keywords: Androgen; Feline; Hermaphrodite; Hypertension
MeSH headings : Adrenal Hyperplasia, Congenital / enzymology; Adrenal Hyperplasia, Congenital / genetics; Adrenal Hyperplasia, Congenital / veterinary; Animals; Cat Diseases / enzymology; Cat Diseases / genetics; Cats; DNA / chemistry; DNA / genetics; Male; Point Mutation; Polymerase Chain Reaction / veterinary; Sequence Analysis, DNA; Steroid 11-beta-Hydroxylase / genetics
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
5. Gender Equality
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2012 journal article
Evaluation of Cytauxzoon felis infection status in captive-born wild felids housed in an area endemic for the pathogen
JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 241(8), 1088–1092.
MeSH headings : Animals; Apicomplexa / classification; Apicomplexa / isolation & purification; Arkansas / epidemiology; Cats; Disease Reservoirs / veterinary; Endemic Diseases / veterinary; Felidae; Female; Male; Protozoan Infections, Animal / epidemiology; Protozoan Infections, Animal / parasitology
TL;DR:
Whether apparently healthy captive-born wild felids that were not native to North America and were housed in an area endemic for Cytauxzoon felis harbored the pathogen is investigated to determine whether apparently healthy captives without clinical signs of disease tested positive for C felis.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2012 journal article
Re-emergence of Babesia conradae and effective treatment of infected dogs with atovaquone and azithromycin
VETERINARY PARASITOLOGY, 187(1-2), 23–27.
author keywords: Protozoal; Babesiosis; Piroplasm; Babesia gibsoni
MeSH headings : Animals; Antiprotozoal Agents / administration & dosage; Antiprotozoal Agents / therapeutic use; Atovaquone / administration & dosage; Atovaquone / therapeutic use; Azithromycin / administration & dosage; Azithromycin / therapeutic use; Babesia / classification; Babesiosis / drug therapy; Babesiosis / epidemiology; Babesiosis / parasitology; Babesiosis / veterinary; California / epidemiology; Communicable Diseases, Emerging / epidemiology; Communicable Diseases, Emerging / parasitology; Communicable Diseases, Emerging / veterinary; Dog Diseases / drug therapy; Dog Diseases / epidemiology; Dog Diseases / genetics; Dog Diseases / parasitology; Dogs; Female; Male; Pedigree
TL;DR:
Combination therapy with atovaquone and azithromycin appears to be effective for acute and chronic babesiosis caused by B. conradae.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
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