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Comparative Clinical Pathology

, Volume 28, Issue 1, pp 215–224 | Cite as

Darbepoietin alpha ameliorates oxidative/nitrosative stress, decreases apoptosis, and improves clinical outcome in chronic canine monocytic ehrlichiosis

  • Mahadappa PriyankaEmail author
  • Sahadeb Dey
  • Meeta Saxena
Original Article
  • 25 Downloads

Abstract

Canine monocytic ehrlichiosis (CME) is an important hemoprotozoan disease of dogs associated with anemia, leucopenia, and thrombocytopenia. The present study was conducted with the aim of assessing the status of oxidative/nitrosative stress and apoptosis in naturally occurring cases of chronic canine monocytic ehrlichiosis, to investigate potential of darbepoietin alpha in ameliorating oxidative/nitrosative stress and apoptosis associated with CME and to assess the impact of darbepoietin alpha administration on clinical outcome in chronic canine monocytic ehrlichiosis. Thirty naturally occurring cases of chronic CME were allotted randomly in two treatment groups, groups I and II. Animals in group I were treated with doxycycline @10 mg/kg, PO, sid, for 28 days, and other supportive therapy. Whereas, animals in group II received darbapoietin alpha in addition to doxycycline and supportive therapy. Six apparently healthy dogs acted as healthy control. All these animals were monitored closely till 28 days of post treatment. Normocytic normochromic anemia, thrombocytopenia, decreased leukocyte count, increased levels of blood urea nitrogen (BUN), creatinine, alanine transaminase (ALT), and alkaline phosphatase (SAP) were observed in dogs suffering from chronic CME. There was significant increase in the levels of lipid peroxidation (LPO), nitric oxide (NO), and apoptosis percentage in dogs suffering from chronic CME. Levels of reduced glutathione (GSH), superoxide dismutase (SOD), and catalase were significantly reduced in dogs suffering from chronic CME. Rapid improvement in the hematological values, oxidative, and nitrosative stress markers and percent apoptosis were observed in group II as compared to group I. Rapid clinical recovery and reduced hospital stay were observed in animals belonging to group II as compared to group I. No adverse effects of darbepoietin alpha administration were observed in the present study.

Keywords

Antioxidant Antiapoptotic Canine monocytic ehrlichiosis Darbepoietin alpha Outcome 

Notes

Author’s contribution statement

P: has contributed in conceptualizing and conducting experiments; SD: has contributed in statistical analysis of data and manuscript preparation; MS: has contributed in apoptosis evaluation and manuscript editing. Further, we authors state that we have read the manuscript and approve it for submission.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

Approval was obtained from Institute’s animal Ethics Committee, Indian Veterinary Research Institute, Izatnagar, Bareilly. Experimentation was carried out by following the standard ethical guidelines as prescribed by IAEC.

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2018

Authors and Affiliations

  1. 1.Indian Veterinary Research InstituteBengaluruIndia
  2. 2.Division of MedicineIndian Veterinary Research InstituteBareillyIndia
  3. 3.Division of BiochemistryIndian Veterinary Research InstituteBareillyIndia

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