Educational level: PHD
Field of Specialization: MICROBIOLOGY

Research Interest:  (please write in a phrase and not maximum of more than five)  

  • Molecular Biology
  • Microbiology
  • Immunology
  • Biotechnology
  • Infectious Disease

List of Publications:   

  1. SK Tiwari, AA Khan, K.S.Ahmed Mahaboob Ali, A Habeeb, Zakia Abid, Niyaz Ahmed, and CM Habibullah. 2005 May. Rapid diagnosis of Helicobacter pylori infection in dyspeptic patients using salivary secretion: A non-invasive approach. Singapore Med J. 46(5):224-8. (Impact Factor 0.57)
  2. Tiwari SK, Khan AA, Khaja S Ahmed, Ali SM, Irshad ahmed, 2005 Oct. “Polymerase chain reaction based analysis of the cytotoxin associated gene pathogenicity island of Helicobacter pylori from saliva: An approach for rapid molecular genotyping in relation to disease status.” J Gastroenterol Hepatol. 20(10): 1560-6. (Impact Factor 3.32)
  3. 1.Ahmed KS, Aleem A. Khan, Santosh K. Tiwari, Mahaboob Ali, Aejaz Habeeb, Niyaz Ahmed, C.M. Habibullah. 2006. Prevalence study to elucidate the transmission pathways of Helicobacter pylori at oral and gastroduodenal sites of a south Indian population. Singapore Medical Journal 47(4): 291-296 (Impact Factor 0.57)
  4. Shaik Mahaboob Ali, Aleem A Khan, Irshad Ahmed, M Musaddiq, Khaja S Ahmed, H Polasa, L Venkateswar Rao, Chittoor M Habibullah, Leonardo A Sechi, and Niyaz Ahmed. 2005. Antimicrobial activities of Eugenol and Cinnamaldehyde against the human gastric pathogen Helicobacter pylori. Annals of Clinical Microbiology and Antimicrobials. 4:20:1-7. (Impact Factor 2.08)
  5. Ahmed KS, Khan A A, Ahmed I, Tiwari S K, Habeeb A, Ahi J D, Abid Z, Ahmed N, Habibullah C M. 2007. Impact of household hygiene and water source on the prevalence and transmission of Helicobacter pylori: a South Indian perspective. Singapore Med J 48 (6): 543-549 (Impact Factor 0.57)
  6. Mustafa M, Ahmed KS*, Habibullah CM. 2007. Prevalence of Human Immunodeficiency Virus infection in pregnant women. Indian J Med Microbiol  25:172-173 (Impact Factor 1.006) (*Corresponding Author)
  7. Ahmed KS, Khan AA, Ahi JD, Habibullah CM. 2008. Parental History of Peptic ulcer or duodenal ulcer and the prevalence of Helicobacter pylori infection in their offspring. Indian Journal Of Medical Microbiology  26;1:90 (Impact Factor 1.006)
  8. S.K. Tiwari, A.A. Khan, G. Manoj, S. Ahmed, Z. Abid, A. Habeeb and C.M. Habibullah. 2007. A simple multiplex PCR assay for diagnosing virulent Helicobacter pylori infection in human gastric biopsy specimens from subjects with gastric carcinoma and other gastro-duodenal diseases. Journal of Applied Microbiology. 103; 6; 2353-2360 (Impact Factor 2.15)
  9. Tiwari S, Khan A, G M, Ahmed S, Abid Z, Habeeb A & Habibullah C. 2007.    Expression of Cyclooxygenase-2 Gene In genotypically Distinct H. Pylori Infected Benign And Malignant Gastroduodenal Diseases—Correlation With The Histopathological Conditions Annals of Oncology 18 (Supplement 7): vii32–vii124, (Oxford Press) (Impact factor 9.269)
  10. S.K. Tiwari, G. Manoj, G. Sivaram, K.S. Ahmed, M.D. Aejaz Habeeb, A.A. Khan, C.M. Habibullah. 2008. Rapid Molecular Assay for the Diagnosis of Clarithromycin Resistant Helicobacter pylori Directly from Human Gastric Biopsies - An Approach to Design Antibiotic Regimen. doi: 10.1016/j.ijid.05.267 (Impact Factor 2.29)
  11. S.K. Tiwari, M.G. Sivaram, G. Saikant, R. K.S. Ahmed, Md. Aejaz Habeeb, A.A. Khan, C.M. Habibullah. 2008. Distinct methylated profiles in Helicobacter pylori dependent intestinal type carcinoma and diffuse carcinoma. . International Journal of Infectious Diseases 12  (Impact Factor 2.29)
  12. SK Tiwari, G Manoj, G Vasanth Kumar, G Sivaram, SI Hassan, B Prabhakar, U Devi, S Jalauddin, K Kumar, Khaja S Ahmed, Z Abid, MA Habeeb, AA Khan, CM Habibullah. 2008. Prognostic Significance of genotyping Helicobacter pylori infection in Patients in Younger Age Groups with Gastric Cancer. Postgraduate Medical Journal  84:193-197. (Impact Factor 1.63)
  13. Syed Ameer Basha Paspala, Avvari Bhaskara Balaji, Parveen Nyamath, Khawaja Shakeel Ahmed, Aleem Ahmed Khan, Mohammed Nanhe Khaja, Lakshmi Narsu, Y.Prameela Devi, TVRK Murthy, C.M.Habibullah. October 2009. Neural stem cells and supporting cells-The new therapeutic tools for the treatment of spinal cord injury. Indian Journal of Medical Research 130, , pp 379-391(Impact Factor 1.446)
  14. Khawaja Shakeel Ahmed*,Aleem Ahmed Khan, JD Ahi, Mohammed Aejaz Habeeb, CM Habibullah. 2012. Determination of antibiotic sensitivity pattern of Helicobacter pylori isolates from South Indian Population by Epsilometer test (E-Test). Advances in Microbiology (AIM) 2, 263-267 (Impact Factor 0.91) (*Corresponding Author)
  15.  Khawaja Shakeel Ahmed*, Nureddin Mohammed Kassim, Anghesom Ambesajir, Shimoney Haile. 2012. Frequency of H.pylori and associated risk factors among out patients in Keren referal military hospital of Eritrea. Pharmacologyonline 1: 12 – 26  (*Corresponding Author)

  16. Khawaja Shakeel Ahmed*, Basheer MP, Anghesom Ambesajir Ghebremedhin, John Issac, J.D.Ahi, Aleem Ahmed Khan, Santosh K. Tiwari. 2013. Studying the importance of VacA gene of Helicobacter pylori in identifying the pathogenicity of strains by comparing it with the disease status of the subjects. Journal of Cancer Therapy  4: N0 1A: 68-74 (Impact Factor 0.66) (*Corresponding Author)

  17. Khawaja Shakeel Ahmed*, Basheer MP, JD Ahi, Aleem Ahmed Khan, Santosh Kumar Tiwari, Mohammed Aejaz Habeeb. 2014. A Study on the Transmission of Helicobacter pylori from food prepared and consumed under hygienic and unhygienic conditions: A first study using biopsy samples. Health  Vol.6, No.4, 274-283. (Impact Factor 0.77) (*Corresponding Author)

  18. Khawaja Shakeel Ahmed*, Amit Raj, Janak Dulari Ahi. 2013.  Diagnosis of Mycobacterium Tuberculosis By Using PCR And Comparison It With Ziehl Neelsen Staining And Mantoux Test. Asian Journal of Phytomedicine and Clinical Research. 1(4), 218 – 223 (Impact Factor 0.61) (*Corresponding Author)

  19. Khawaja Shakeel Ahmed*, Nuredin MohammedKassm Siraj, Henok Fitsumberhan, Sara Isaac, Semhar Yohannes, Dawit Eman, Yacob Berhane, Matiwos Araya. 2017. Knowledge, Attitude and Practice (KAP) assessment of Intestinal parasitic infection among school children in Asmara, Eritrea. Health, 9, 57-68 ( Impact Factor 0.77) (*Corresponding Author)

  20. Parasitic contamination of raw vegetables consumed in Asmara Eritrea.(In Press, Pharmacology Online Journal)

  21. Lower Respiratory Tract Infection in Hyderabad,South India  (In Progress)

  22. Conference Participations:

    1. Khawaja Shakeel Ahmed, Miss. Armana G/Her , Mr. Dawit Kessete , Miss. Eden A/Mariam, Miss. Fyori Mhretab, Miss. Miriam Mogos, Mr. Matiwos Araya, Miss. Yordanos Kessete. 2016. Identification of common bacterial etiologic agents, antimicrobial susceptibility pattern & associated risk factors of otitis media among pediatric patients of Asmara, Eritrea. Applied Microbiology Conference held in Las Vegas,USA from September 19-21
    2. Khawaja Shakeel Ahmed, Mogos Zemat, Tesfalem Fissehatsion,  Alazar Desale,  Elilta Tesfu,  Munir Teshome,  Dawit Eman. 2016. International Meeting on Emerging Diseases and Surveillance held at Vienna, Austria November 4-7
    3. Khawaja Shakeel Ahmed, Nureddin M Kassm, Henok Fitsumberhan,  Sara Isaac,  Semhar Yohannes. 2016. Accepted for oral presentation and publication in 6th International Conference on Advances in Applied Science and Environmental Engineering – ASEE, held at Kuala Lumpur, Malaysia 26-27 November
    4. Khawaja Shakeel Ahmed, Miss. Armana G/Her , Mr. Dawit Kessete , Miss. Eden A/Mariam, Miss. Fyori Mhretab, Miss. Miriam Mogos, Mr. Matiwos Araya, Miss. Yordanos Kessete. 2017. Identification of common bacterial etiologic agents, antimicrobial susceptibility pattern & associated risk factors of otitis media among pediatric patients of Asmara, Eritrea. Accepted for Poster Presentation at ASM Microbe 2017 in New Orleans, LA, June 1 –
    5. K. S. Ahmed, J. Prabakaran, S. Abai, M. Araya. Incidence of Rotavirus And Associated Risk Factors Among Children Under Five Years Attending Mendefera Referral Hospital and Orotta Pediatric Referral Hospital Of Eritrea. 2017. Accepted for a poster presentation at the 33rd American Society of Microbiology and Clinical Virology Symposium, May 7-10 Savannah, GA
    6. Khawaja Shakeel Ahmed, Bharat Kumar Bhayal, Fitsum Emaha, Freweyni Tesfay, Kisanet Mebrahtu, Luwam Michael, Silas Amanuel. 2017. Incidence, Associated Risk Factors and Antimicrobial  Susceptibility Test patterns of Bacterial keratitis in Berhan Aini Hospital, Godaif and Biet Mekae community Hospitals of Asmara, Eritrea. New Zealand Microbiological Society Annual Conference AUCKLAND, 20-23 NOVEMBER

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    • P. O. Box: 36, Wolaita Sodo, Ethiopia
    • Office Tel.: +251_____________
    • Cell Phone:+ 251 963867280
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