Andy Moorhead

Dirofilaria Immitis Transmission by Treatment of Heartworm Microfilaremic Dogs with Doxycycline

McCall, J. W., Mansour, A., DiCosty, U., Fricks, C., McCall, S., Carson, B., … Moorhead, A. R. (2026, February 5). (Vol. 2). Vol. 2.

Population genomics reveals an ancient origin of heartworms in canids

Power, R. I., Abdullah, S., Walden, H. S., Verocai, G. G., Sanders, T. L., Luksovsky, J. L., … Šlapeta, J. (2026, January 20). Communications Biology, Vol. 1.

Transient Intraperitoneal Residence of Dirofilaria immitis Larvae in the Mongolian Gerbil (Meriones unguiculatus)

Campbell, E., Dzimianski, M., Greenway, K., Sakamoto, K., & Moorhead, A. (2026, February 10). Pathogens.

Brugia malayi miRNAs and potential targets within the feline host (Felis catus)

Burkman, E., Tritten, L., Evans, C. C., Verocai, G. G., Sobotyk, C., Geary, T. G., & Moorhead, A. R. (2025, January 1). Current Research in Parasitology and Vector-Borne Diseases.

In vitro molting of Dirofilaria immitis third-stage larvae derived from microfilariae collected from doxycycline-treated dogs

Chu, Y., Campbell, E., Dzimianski, M., Evans, C. C., Pulaski, C., Sakamoto, K., & Moorhead, A. R. (2025, June 1). Parasitology Research, Vol. 124.

Real-time PCR and immunohistochemistry detection of Wolbachia in adult Dirofilaria immitis from dogs treated with doxycycline and ivermectin

Chu, Y., Sakamoto, K., Evans, C. C., Dzimianski, M. T., Fricks, C., Mansour, A., … Moorhead, A. R. (2025, February 26). Parasites & Vectors, Vol. 18.

An Overview of Management Considerations for Mongolian Gerbils (Meriones unguiculatus), Cats (Felis catus), and Dogs (Canis familiaris) as Hosts for Brugia Infection

Chambers, C. A., Evans, C. C., Campellone, G. A., McCrackin, M. A., Moorhead, A. R., & Alworth, L. C. (2024, June 1). Comparative Medicine, Vol. 74, pp. 142–147.

Current Status of the Diagnosis of Brugia spp. Infections

Evans, C. C., Pilotte, N., & Moorhead, A. R. (2024, August 23). Pathogens, Vol. 13.

Evaluation of coagulation and platelet activation state and function in heartworm‐infected dogs

Fraser, C., Wallace, M. L., Moorhead, A., Tarigo, J., & Brainard, B. M. (2024, May 23). Veterinary Clinical Pathology, Vol. 53, pp. 186–195.

Evaluation of diagnostic techniques for early detection of heartworm in experimentally infected dogs: identification of Dirofilaria immitis-derived microRNA in the initial 28 weeks post-inoculation

Murillo, D. F. B., Campbell, E. J., Moorhead, A. R., & Wang, C. (2024, June 13). Parasites & Vectors, Vol. 17.

Population genomics reveals an ancient origin of heartworms in canids

Power, R. I., Abdullah, S., Walden, H. S., Verocai, G. G., Sanders, T. L., Luksovsky, J. L., … Šlapeta, J. (2024, December 26).

A dirofilariasis mouse model for heartworm preclinical research

Marriott, A. E., Dagley, J. L., Hegde, S., Steven, A., Fricks, C., DiCosty, U., … Turner, J. D. (2023, April 3). BioRxiv.

Dirofilariasis mouse models for heartworm preclinical research

Marriott, A. E., Dagley, J. L., Hegde, S., Steven, A., Fricks, C., DiCosty, U., … Turner, J. D. (2023, June 22). Frontiers in Microbiology, Vol. 14.

Effects of doxycycline dose rate and pre-adulticide wait period on heartworm-associated pathology and adult worm mass

Moorhead, A. R., Evans, C. C., Sakamoto, K., Dzimianski, M. T., Mansour, A., DiCosty, U., … McCall, J. W. (2023, July 25). Parasites & Vectors, Vol. 16.

Evaluation of renal values during treatment for heartworm disease in 27 client-owned dogs

Vetter, C. A. M., Meindl, A. G., Lourenço, B. N., Coyne, M., Drake, C., Murphy, R., … Moorhead, A. R. (2023, June 8). Parasites & Vectors, Vol. 16.

Treatment of dogs with Bravecto® (fluralaner) reduces mosquito survival and fecundity

Evans, C. C., Normile, D., Gamble, S., Guerino, F., Dzimianski, M. T., & Moorhead, A. R. (2023, April 27). Parasites & Vectors, Vol. 16.

The Domestic Dog as a Laboratory Host for Brugia malayi

Evans, C. C., Greenway, K. E., Campbell, E. J., Dzimianski, M. T., Mansour, A., McCall, J. W., & Moorhead, A. R. (2022, September 21). Pathogens, Vol. 11.

Treatment of dogs with Bravecto® (fluralaner) reduces mosquito survival and fecundity

Evans, C. C., Normile, D., Gamble, S., Guerino, F., Dzimianski, M. T., & Moorhead, A. R. (2022, December 1). Research Square (Research Square).

Veterinary Diagnosis of Filarial Infection

Evans, C., Pilotte, N., Williams, S., & Moorhead, A. (2022, October 14). Human and Animal Filariases: Landscape, Challenges, and Control, pp. 125–159.

A rapid, parasite-dependent cellular response to Dirofilaria immitis in the Mongolian jird (Meriones unguiculatus)

Evans, C. C., Day, K. M., Chu, Y., Garner, B., Sakamoto, K., & Moorhead, A. R. (2021, January 7). Parasites & Vectors, Vol. 14.

The Course of Brugia malayi Microfilaremia in Experimentally Infected Cats

Evans, C. C., Burkman, E. J., Dzimianski, M. T., Garner, B., & Moorhead, A. R. (2021, June 15). Vector-Borne and Zoonotic Diseases, Vol. 21, pp. 586–592.

X-treme loss of sequence diversity linked to neo-X chromosomes in filarial nematodes

Mattick, J., Libro, S., Bromley, R., Chaicumpa, W., Chung, M., Cook, D., … Hotopp, J. C. D. (2021, October 27). PLoS Neglected Tropical Diseases, Vol. 15.

Clinical assessment of heartworm-infected Beagles treated with a combination of imidacloprid/moxidectin and doxycycline, or untreated

Savadelis, M. D., Coleman, A. E., Rapoport, G. S., Sharma, A., Sakamoto, K., Keys, D. A., … Moorhead, A. R. (2020, July 21). Journal of Veterinary Internal Medicine, Vol. 34, pp. 1734–1745.

Acetic acid as an alternative reagent in the modified Knott test

Evans, C. C., Bradner, J. L., Savadelis, M. D., Nelson, C. T., & Moorhead, A. R. (2019, November 10). Veterinary Parasitology, Vol. 276.

Canine gastrointestinal nematode transmission potential in municipal dog parks in the southeast United States

Savadelis, M. D., Evans, C. C., Mabry, K. H., LeFavi, L. N., Klink, B. D., Simson, C., & Moorhead, A. R. (2019, August 3). Veterinary Parasitology Regional Studies and Reports, Vol. 18.

Approaches to Canine Heartworm Disease Treatment Among Alumni of a Single College of Veterinary Medicine

Dixon-Jimenez, A. C., Coleman, A. E., Rapoport, G. S., Creevy, K. E., Roth, I., Correa, M., & Moorhead, A. R. (2018, January 1). Journal of the American Animal Hospital Association, Vol. 54, pp. 246–256.

Efficacy and side effects of doxycycline versus minocycline in the three-dose melarsomine canine adulticidal heartworm treatment protocol

Savadelis, M. D., Day, K. M., Bradner, J. L., Wolstenholme, A. J., Dzimianski, M. T., & Moorhead, A. R. (2018, December 1). Parasites & Vectors, Vol. 11.

Evaluation of heat-treating heartworm-positive canine serum samples during treatment with Advantage Multi® for Dogs and doxycycline

Savadelis, M. D., Roveto, J. L., Ohmes, C. M., Hostetler, J. A., Settje, T. L., Dzimianski, M. T., & Moorhead, A. R. (2018, February 20). Parasites & Vectors, Vol. 11.

A diagnostic algorithm for evaluating cases of potential macrocyclic lactone–resistant heartworm

Moorhead, A. R., Evans, C. C., & Kaplan, R. M. (2017, November 1). Parasites & Vectors, Vol. 10.

Assessment of parasitological findings in heartworm-infected beagles treated with Advantage Multi® for dogs (10% imidacloprid + 2.5% moxidectin) and doxycycline

Savadelis, M. D., Ohmes, C. M., Hostetler, J. A., Settje, T. L., Zolynas, R., Dzimianski, M. T., & Moorhead, A. R. (2017, May 19). Parasites & Vectors, Vol. 10.

Does evaluation of in vitro microfilarial motility reflect the resistance status of Dirofilaria immitis isolates to macrocyclic lactones?

Maclean, M. J., Savadelis, M. D., Coates, R., Dzimianski, M. T., Jones, C., Benbow, C., … Wolstenholme, A. J. (2017, November 1). Parasites & Vectors, Vol. 10.

Evaluation of the larval migration inhibition assay for detecting macrocyclic lactone resistance in Dirofilaria immitis

Evans, C. C., Moorhead, A. R., Storey, B. E., Blagburn, B. L., Wolstenholme, A. J., & Kaplan, R. M. (2017, September 8). Veterinary Parasitology, Vol. 246, pp. 76–81.

Periodicity of Dirofilaria immitis in Longterm Infections

Evans, C. C., Burkman, E. J., Dzimianski, M. T., Moorhead, A. R., Savadelis, M. D., Angenendt, C., … Kulke, D. (2017, July 17). Parasitology Research, Vol. 116, pp. 75–80.

Potential Role for Flubendazole in Limiting Filariasis Transmission: Observations of Microfilarial Sensitivity

Maeghan, O. N., Njouendou, J. A., Dzimianski, M., Burkman, E., Ndongmo, P. C., Kengne-Ouafo, J. A., … Geary, T. G. (2017, October 31). American Journal of Tropical Medicine and Hygiene, Vol. 98, pp. 21–26.

Phenotypic and molecular analysis of the effect of 20-hydroxyecdysone on the human filarial parasite Brugia malayi

Mhashilkar, A. S., Adapa, S. R., Jiang, R. H. Y., Williams, S. A., Zaky, W., Slatko, B. E., … Unnasch, T. R. (2016, February 19). International Journal for Parasitology, Vol. 46, pp. 333–341.

Profiling the macrofilaricidal effects of flubendazole on adult female Brugia malayi using RNAseq

O'Neill, M., Ballesteros, C., Tritten, L., Burkman, E., Zaky, W. I., Xia, J., … Geary, T. G. (2016, October 6). International Journal for Parasitology Drugs and Drug Resistance, Vol. 6, pp. 288–296.

The Effect of In Vitro Cultivation on the Transcriptome of Adult Brugia malayi

Ballesteros, C., Tritten, L., Maeghan, O. N., Burkman, E., Zaky, W. I., Xia, J., … Geary, T. G. (2016, January 4). PLoS Neglected Tropical Diseases, Vol. 10.

The Effects of Ivermectin on Brugia malayi Females In Vitro: A Transcriptomic Approach

Ballesteros, C., Tritten, L., Maeghan, O. N., Burkman, E., Zaky, W. I., Xia, J., … Geary, T. G. (2016, August 16). PLoS Neglected Tropical Diseases, Vol. 10.

Assessment of Blood Collection from the Lateral Saphenous Vein for Microfilaria Counts in Mongolian Gerbils (Meriones unguiculatus) Infected with Brugia pahangi

Comparative Medicine, 65(6), 492–498. http://www.scopus.com/inward/record.url?eid=2-s2.0-85008952003&partnerID=MN8TOARS

Host ABC transporter proteins may influence the efficacy of ivermectin and possibly have broader implications for the development of resistance in parasitic nematodes

Dooley, L. A., Froese, E. A., Chung, Y. T., Burkman, E. J., Moorhead, A. R., & Ardelli, B. F. (2015, July 4). Experimental Parasitology, Vol. 157, pp. 35–43.

Release of Small RNA-containing Exosome-like Vesicles from the Human Filarial Parasite Brugia malayi

Zamanian, M., Fraser, L. M., Agbedanu, P. N., Harischandra, H., Moorhead, A. R., Day, T. A., … Kimber, M. J. (2015, September 24). PLoS Neglected Tropical Diseases, Vol. 9.

The emergence of macrocyclic lactone resistance in the canine heartworm,Dirofilaria immitis.

WOLSTENHOLME, A. D. R. I. A. N. J., EVANS, C. H. R. I. S. T. O. P. H. E. R. C., JIMENEZ, P. A. B. L. O. D., & MOORHEAD, A. N. D. R. E. W. R. (2015, June 4). Parasitology, Vol. 142, pp. 1249–1259.

An Integrated In Vitro Imaging Platform for Characterizing Filarial Parasite Behavior within a Multicellular Microenvironment

Kassis, T., Skelton, H. M., Lu, I. M., Moorhead, A. R., & Dixon, J. B. (2014, November 20). PLoS Neglected Tropical Diseases, Vol. 8.

Concurrent transcriptional profiling of Dirofilaria immitis and its Wolbachia endosymbiont throughout the nematode life cycle reveals coordinated gene expression

Luck, A. N., Evans, C. C., Riggs, M. D., Foster, J. M., Moorhead, A. R., Slatko, B. E., & Michalski, M. L. (2014, November 29). BMC Genomics, Vol. 15.

Detection of Circulating Parasite-Derived MicroRNAs in Filarial Infections

Tritten, L., Burkman, E., Moorhead, A., Satti, M., Geary, J., Mackenzie, C., & Geary, T. (2014, July 17). PLoS Neglected Tropical Diseases, Vol. 8.

Heartworm Treatment: Navigating a Changing Landscape

Moorhead, A. R. (2014, November 1). Advances in Small Animal Medicine and Surgery, Vol. 27, pp. 1–3.

Identification ofDirofilaria immitisProteins Recognized by Antibodies from Infected Dogs

Sassi, A. J., Geary, J. F., Leroux, L. P., Moorhead, A. R., Satti, M., Mackenzie, C. D., & Geary, T. G. (2014, June 1). Journal of Parasitology, Vol. 100, pp. 364–367.

Ivermectin-dependent attachment of neutrophils and peripheral blood mononuclear cells to Dirofilaria immitis microfilariae in vitro

Vatta, A. F., Dzimianski, M., Storey, B. E., Camus, M. S., Moorhead, A. R., Kaplan, R. M., & Wolstenholme, A. J. (2014, February 12). Veterinary Parasitology, Vol. 206, pp. 38–42.

Zoonotic Helminths of Livestock

Moorhead, A. R. (2014, January 1). Elsevier EBooks, pp. 466–474.

Development of an in vitro bioassay for measuring susceptibility to macrocyclic lactone anthelmintics in Dirofilaria immitis

Evans, C. C., Moorhead, A. R., Storey, B. E., Wolstenholme, A. J., & Kaplan, R. M. (2013, June 6). International Journal for Parasitology Drugs and Drug Resistance, Vol. 3, pp. 102–108.

Eosinophils Preserve Parasitic Nematode Larvae by Regulating Local Immunity

Gebreselassie, N. G., Moorhead, A. R., Fabre, V., Gagliardo, L. F., Lee, N. A., Lee, J. J., & Appleton, J. A. (2011, December 2). The Journal of Immunology, Vol. 188, pp. 417–425.

Lymphosarcoma associated with Heterobilharzia americana infection in a dog

Stone, R. H., Frontera-Acevedo, K., Saba, C. F., Ambrose, D., Moorhead, A. R., & Brown, C. A. (2011, September 1). Journal of Veterinary Diagnostic Investigation, Vol. 23, pp. 1065–1070.

The NIH-NIAID Filariasis Research Reagent Resource Center

Michalski, M. L., Griffiths, K. G., Williams, S. A., Kaplan, R. M., & Moorhead, A. R. (2011, November 29). PLoS Neglected Tropical Diseases, Vol. 5.

Multiple Host Proteins That Function in Phosphatidylinositol-4-Phosphate Metabolism Are Recruited to the Chlamydial Inclusion

Moorhead, A. M., Jung, J.-Y., Smirnov, A., Kaufer, S., & Scidmore, M. A. (2010, March 16). Infection and Immunity, Vol. 78, pp. 1990–2007.

The GTPase Rab4 Interacts withChlamydia trachomatisInclusion Membrane Protein CT229

Rzomp, K. A., Moorhead, A. R., & Scidmore, M. A. (2006, August 22). Infection and Immunity, Vol. 74, pp. 5362–5373.

The Rab6 Effector Bicaudal D1 Associates with Chlamydia trachomatis Inclusions in a Biovar-Specific Manner

Moorhead, A. R., Rzomp, K. A., & Scidmore, M. A. (2006, November 14). Infection and Immunity, Vol. 75, pp. 781–791.

Trichinellosis in the United States, 1991-1996: declining but not gone.

Moorhead, A., Grunenwald, P. E., Dietz, V. J., & Schantz, P. M. (1999, January 1). American Journal of Tropical Medicine and Hygiene, Vol. 60, pp. 66–69.