Dr. Rayan Khalid

CURRICULUM VITAE

 Personal Information
• Name: Rayan Khalid Ali Awad Alkareem
• Sex: Female
• Date of birth: 01/12/1988
• Place of birth: Sudan – Kassala
• Marital status: Married
• Nationality: Sudanese
• Phone number: +249912883686
• E-mail address: rynkhalid@yahoo.com, rayan.khalid@assafa.edu.sd, raysn2020@gmail.com
• ORCID ID: 0000-0002-2829-9871
• Scopus ID: 57222566801

 CV Summary
Enthusiastic, self-motivated, reliable, responsible, and hardworking clinical immunologist and geneticist with over 10 years of experience teaching human physiology and 7 years of practice in cytogenetic investigations and diagnosing immunology and genetic conditions. Possess strong interpersonal skills that allow me to connect with patients, families, students, and colleagues. Dedicated researcher, compassionate, able to work well under pressure and adhere to strict deadlines.

 Current positions
• Deputy editor in Sudan Journal of Medical Sciences (SJMS)
• Secratory of academic affairs, Assafa College – Khartoum – Sudan.
• Associate professor, Departments of Physiology, Clinical Immunology and Genetics, Assafa College.
• Clinical immunologist and geneticist, Elite clinic for health and medical service – Khartoum – Sudan

 Education
• PhD clinical genetics
Faculty of Graduate Studies, Al-Neelain University (2019- 2024)
Thesis title: Clinical and Genetic Characteristics of Sudanese Patients with Short Stature, Khartoum, 2019 - 2023.
• MD clinical immunology
Sudan Medical Specialization Board - MD Clinical Immunology (2017 – 2023).
Thesis (fulfillment) title: Thiopurine S-methyl transferase (TPMT) Enzyme Level among Sudanese Population, 2022.
• M.Sc Human Physiology
Faculty of Graduate Studies and scientific Research, National Ribat University (2014- 2016)
Thesis title: Body mass index and normal blood pressure levels among Adult Sudanese in Khartoum state 2016.
• Bachelor of Medicine and Surgery (MBBS)
Faculty of Medicine - Khartoum University, Sudan (2003 – 2010).
Thesis (fulfillment) title: Knowledge and attitude of students in third year Faculty of Economics, University of Khartoum about cardiovascular disease’s Risk factors 2008.
• Secondary School
Khartoum model secondary school for girls (2000_ 2003) – Khartoum – Sudan.
• Primary School
Zeinb Elsheik elementary school for girls (2000) – Khartoum – Sudan

 Training and work Experience:
• Current
o Secratory of academic affairs, Assafa college – Khartoum - Sudan
o Associate professor, Department of physiology, Immunology and genetics, Assafa college – Khartoum – Sudan.
o Clinical immunologist and geneticist, Elite clinic for health and medical service – Khartoum – Sudan
• Teaching experience
o 2015_2016: Teaching assistant, Physiology department, Alzaiem Alazhari University Khartoum - Sudan
o 2017_2019: Lecturer, Physiology department, Alzaiem Alazhari University, Khartoum - Sudan
o 2017_2019: Lecturer, Physiology department, Almadain college, Khartoum - Sudan
o 2018_now: Lecturer & head department, Physiology department, Assafa college, Khartoum - Sudan
• Clinical genetics training
o 2018_2023, Elite clinic and Al Neelain stem cell center:
o Attending genetic clinic weekly: see referred patients with suspected various genetic conditions, taking comprehensive medical history, conducting physical examination focusing on dysmorphic features, request suitable specific genetic investigations and provide patient and family consoling.
o Laboratory skills: 5 years training and practicing cell culture, cytogenetic analysis, Molecular (PCR) and ELISA techniques.

• Clinical immunology training
o First year (2018 – 2019): Clinical laboratory rotations, covering serology, hematology, immunohistochemistry techniques, transplantation lab, clinical genetics and molecular biology.
o Second year (2019 – 2020): Clinical rotations as a registrar in general internal medicine in Omdurman Military Hospital and general pediatrics; in Jaafar Ibn Oaf Hospital.
o Third and fourth years (2020 – 2022): Clinical rotations as Clinical Immunology registrar in the following specialty units: Dermatology - Omdurman Military Hospital, Endocrinology - Ribat National Hospital, Neurology - Sudan National center for neuro medicine/surgery, nephrology & Transplant Immunology - Ibn Sina Hospital, Otolaryngology - Khartoum National (ENT) Otolaryngology Hospital, ophthalmology - Abdalfadeel Almaz Hospital, Rheumatology - Omdurman Teaching Hospital, GIT - Ibn Sina Hospital, Chest medicine - Alshaab Hospital and Clinical Genetics - Alneelain Stem Cell Center.
• Compulsory internship training as Sudanese ministry of health house officer
o Pediatrics department, Turkish Teaching hospital, June2010 to September2010
o General surgery department, Soba university hospital, September 2010 to December 2010
o Internal Medicine department, Academy charity hospital, December 2010 to March2011
o obstetrics and gynaecology department, The National Ribat university hospital, March 2011 to June 2011
• Experience as General practitioner
o Department of pediatrics, Soba hospital, February2010 - May2010 (national service)
o Khartoum ENT teaching hospital, September 2011 - June 2012 (national service)
o Surgery department, Khartoum teaching hospital, October 2012 - April 2013
o Trauma unit, Khartoum teaching hospital, August _ December 2015.
o The National Ribat University clinic 2016 till 2019.
• Volunteer Work & community service:
o Participate in Healthy caravans for health education focusing on hygiene, HIV, female genital mutilation (FGM), smoking and drugs as follow:
o Healthy caravan to Port Sudan (East Sudan) December 2006
o Healthy caravan to Meroe (North Sudan) December 2008
o Healthy caravan to Sinnar (East Sudan) July 2009
o Participate in many educational health days in many schools and health centers in Khartoum

 Skills:
• Languages:
o Arabic: Mother tongue
o English: Advanced (Certificate of competence in English as a Foreign Language, IELTS overall result of Band 7.5, University of WITWATERSRAND, South Africa, June 2013.
• Computer Knowledge:
o Diploma in word, power point, and Excel 2003
• Laboratory
o 5 years’ experience in cell culturing, slide preparation, staining, karyotyping, DNA extraction, PCR analysis, and ELISA
• General medical skills
o Interpersonal and leadership skills
o Supervision of medical students and residents
o Planning, scheduling and follow up.
o Ensuring a safe work environment for the patients and staff.
o High ethical standards
o Compassionate bedside manner
o Effective collaboration with patients from diverse backgrounds

 Societies membership
• Member of the Sudanese Society for Clinical Immunology and Allergy
• Member of the Sudanese Society of Clinical Biology (SSCB)
• Member of Sudanese Intersex Working Group (SIWG)
• Member of Sudanese Physiological Society (SPS)

 Conferences & workshops
• Basic life support (BLS), Khartoum university 2010
• Advance Life Support (ALS), Khartoum university 2011
• Certificate of Good Standing, Sudan Medical Council 2013
• Certificate of attending the international conference of medical student (ICOMS-Sudan) training on psychological support during crisis 2007.
• Immediate Life Support (ILS), Maharat medical training and consultation center, 2015.
• Certificate of attending Human Cytogenetic workshop, Alneelain Stem Cell Center, 2019.
• Certificate of attending Cancer Genetic workshop, Alneelain Stem Cell Center, 2019.
• Presenting a paper entitled (Chromosomal Abnormalities in Sudanese Patients with Short Stature) 11th Annual Postgraduate Conference, Alneelain university, 2019.
• Presenting a paper entitled (The complementary role of the SRY gene analysis in the work-up of DSD patients) in 31st Congress of the obstetrics and gynecology society of Sudan, 2020.
• Certificate of attending molecular techniques workshop, Sudan National center for neuro medicine/surgery, 2022.
• Certificate of attending Research methodology and statistics, Sudan Medical Specialization Board, 2022.
• Certificate of attending Ethics and professionalism, Sudan Medical Specialization Board, 2022.
• Attended the International Primary Immunodeficiency (PID) symposium, 2019
• Attended Arab federation of clinical biology (AFCB) Congress, Beirut, Lebanon, 2022

 Publications:
• Mohammed MA, Ali IA, Babiker R, Khalid R. Amylase-treated Sudanese Cereal-based Foods: A Low-cost Strategy to Boost Energy Intake in Young Children. Sudan Journal of Medical Sciences. 2025 Oct 16:396-403.
• Khalid R, Omer D, Alsheikh T, Fadl-Elmula I. Clinical Presentation and Diagnosis of Smith-Lemli-Opitz Syndrome: First Case Report from Sudan. Sudan Journal of Medical Sciences. 2025;20(2):224-31.
• Husain NE, Altayb A, Khalid R. Filling the Gaps in Healthcare: Advancements, Challenges, and Perspectives from Sudan and Beyond.
• Hamad RS, Saif R, Khalid R, Ibrahim ME, Fadl-Elmula I. Profound biotinidase deficiency caused by (D444H) resulting in recurrent early childhood death in a Sudanese family. journal of medical research and reviews. 2025; 4(1): 1-7.
• Ibrahim, A., Ahmed, T., Khalid, R. et al. Secondary Budd–Chiari syndrome caused by renal cell carcinoma with hepatic vein invasion: case report. Afr J Urol 31, 6 (2025).
• Fadl-Elmula I, Khalid R. Malaria Vaccine for Children in Sudan: Commencing Midst the Gloom of War. Sudan Journal of Medical Sciences. 2024 Dec 31;19(4):420-2.
• Khalid, R. and Fadl-Elmula, I., 2024. A rare mosaic trisomy 22 syndrome in a 7-Year-old boy: Rare case report. Sudanese Journal of Paediatrics, 24(2), pp.0-0.
• Khalid R, Siddig AM, Elzien AE, Abudoam AA, Fadl-Elmula I. Unusual Case of Ovotesticular DSD Presented at Adulthood with Mosaic Karyotype, Full Functioning Mullerian Structure, Two Ovaries, and One Ovotestis. Ethiopian Journal of Reproductive Health. 2024 Nov 3;16(4).
• Khalid, R., Hashim Hassan Erwa, N., Mohamed Elshibli, E. and Fadl-Elmula, I. (2024) “Thiopurine S-methyl Transferase (TPMT) Enzyme Level in Healthy Sudanese Population”, Sudan Journal of Medical Sciences (SJMS), 19(3), pp. 296–305. doi: 10.18502/sjms.v19i3.14194.
• Khalid R, Elkareem MM, Fadl-Elmula I. Genetic Causes of Primary Amenorrhea Using Chromosomal Analysis and PCR for SRY Gene. Ethiopian Journal of Reproductive Health. 2024 Aug 2;16(3).
• Elkareem MM, Dguimi HM, Ahmed SM, Khalid R, Fadl-Elmula I. Clinical and genetic characteristics of disorders of sex development in Sudanese patients. African Journal of Reproductive Health. 2024 Jul 8;28(4):13-21.
• Ibrahim A, Khalid R, Mohager S, Fadl-Elmula I. Clinical Characteristics of Urinary Bladder Cancer in the Sudan; Evidence of Pathoetiology Changes. The Gulf Journal of Oncology. 2022;1(39):16–20.
• Osman OE, Ismail RIH, Khalid R, Fadl-Elmula I. Efficacy and Safety of Warfarin Therapy: Comparison Between Specialized INR Clinic and General Medical Clinic. Sudan Journal of Medical Sciences. 2022;17(4):476–84.
• Khalid R, Siddig AM, Abudoam AA, Alzain AB, Fadl-Elmula I. Unexpected Diagnosis of Complete Androgen Insensitivity Syndrome (CAIS) During Inguinal Hernia Repair in 11-year-old-girl. Sudan Journal of Medical Sciences. 2021;16(1):70–5.
• Fadl-Elmula I, Khalid R. Diagnosis of COVID-19 in Countries with Limited Health Resources–Blood Markers versus rRT–PCR. Sudan Journal of Medical Sciences. 2021;16(2):143–5.
• Ibnouf AAO, Khalil MH, Khalid R, Elshibli EM, Elsayed O, Fadl-Elmula I. Blood markers (lymphocyte percentages, neutrophils, CRP and ESR) can help in prioritizing rRT-PCR test for suspected COVID-19 patients in countries with limited health resources. Pan African Medical Journal. 2020;37(1).