Asmaa Baqer Al-Obaidi

@nahrainuniv.edu.iq

microbiology department college of medicine
Al-Nahrain University

RESEARCH INTERESTS

virology

11

Scopus Publications

Scopus Publications

  • Serostatus of Coxsackie B in a sample of women with miscarriage in Baghdad, Iraq
    Mervet B. Jasim, Asmaa B. Al-Obaidi, Enas Adnan Abdulrasul, and Haider Faisal Ghazi

    IOS Press
    The antibody that crosses transplacentally from mother to fetus is very important origin of protective passive immunity against infection neonatal with enterovirus. Important varieties of coxsackievirus B3 (CVB3) are responsible for infections in newborns. The purpose from this study is to investigate in the prevalence of Coxsackie B virus in a sample of Iraqi women with miscarriage and potential role of miscarriage risk. METHODS: Between November 2022 and June 2023, we included 91 parturient women (gestational age: 4–20 weeks) who were between the ages of 15 and 40. Every participant completed a questionnaire, and blood was drawn to assess maternal antibodies against CVB3. RESULTS: The blood seropositive rates were 46 out 91(50.54%), 2 out 46 were IgM positive (4.34%), (8–12 weeks) 23 from 46 (50%) (p-value 0.0294) gestational age more frequent among aborted women that positive for anti-coxsackie B antibody, The 25–35 age group was significantly overrepresented (51/91, 56%) compared to other age groups. CONCLUSION: This investigation posits Coxsackie B virus (CBV) as a possible etiology for miscarriage in the Iraqi female population. Further studies employing larger cohorts and robust methodologies, beyond the current detection technique, are warranted to corroborate these observations and elucidate the potential mechanisms by which CBV might induce miscarriage.

  • Detection of Bk Polyomavirus Antigen in Patients with Acute Lymphoblastic Leukemia
    Safa H Ali ,, Sawsan Satti ,, Alaa H Ali ,, and Asmaa B Al-Obaidi

    Diyala Journal of Medicine
    Background: BK polyomavirus  that is acquired in early childhood as BKPyV is near ubiquitous in adults with a seroprevalence of >80%, it has been found as the main cause of hemorrhagic cystitis in hematopoietic stem cell transplantation patients, due to immunosuppression regimen that lead to the activation of the virus from the latency status and lead to increased viral shedding in urine (viuria).
 Objective: To investigate the frequency of BK Polyomavirus antigen excretion in urine of children with acute lymphoblastic leukemia with and without chemotherapy and compare it with normal controls. 
 Patients and Methods: A case-control study conducted from December 2021 to May 2022 in Baghdad, Iraq on leukemia patients of Central Pediatrics Hospital (Al-Eskan ). Urine samples and urine sediment smears were collected from 60 acute lymphoblastic leukemia patients. And compared with 60 apparently healthy age and sex-matched children, BK polyomavirus antigen in urine was detected using Enzyme-linked Immunosorbent Assay and urine cytology were Pap stained for the detection of decoy cells (DCs).
 Results: Positive BKPyV antigen in urine was seen in 55 (91.7%) of Acute lymphoblastic leukemia patients and 39 (65.0%) in controls (p=<0.001) and all the patients were decoy negative. There was no significant effect of the positivity of antigenuria on neither leukocytes level nor on the occurance of relapse in leukemia patients. 
 Conclusion: The very high frequency of BKPyV in the urine signifies the importance of reactivation of this virus in ALL patients with and without chemotherapy.

  • Seroprevalence study of Parvovirus B19 among women with miscarriage in Mosul city
    Atheer Nawfal Buraa ,, Asmaa Baqer Al-Obaidi ,, and Thekra Ali Hussein

    Diyala Journal of Medicine
    Background: Miscarriage and stillbirth are among the most common pregnancy complications, and could be caused by several factors, among these factors are viral infections some of them are obvious teratogenic and others are associated with fetal defects like severe anemia in the case of Parvovirus B19 which could be transmitted vertically causing fetal infection and miscarriage or stillbirth.
 Objective: To investigate the seroprevalence of Parvovirus B19 among women with miscarriage and stillbirth and compare them with normal pregnant women in the city of Mosul-Iraq.
 Patients and Methods: A case-control study conducted on pregnant aged 16-45 years with miscarriage and stillbirth admitted to Al-Khansa Teaching Hospital in Mousl city. The samples were collected during the period from November 2022 and January 2023 from 160 from pregnant women, 80 of them had miscarriage or stillbirth, and the other 80 had normal uneventfull pregnancy (control). Serum samples were subjected for ELISA Study of anti-B19V IgG and IgM antibodies.
 Results: This study showed that the seroprevalence rate of anti-B19V IgG among pregnant women was about 23% (37 out of 160), subdivided into (40%) 32 out of 80 patients, and (6.2%) 5 out of 80 controls had positive anti-B19V IgG antibody which is significantly different. And IgM seroprevalence was about 22% (35 out of 160), in which (38.8%) 31 out of 80 patients, and (5%) 4 out of 80 controls had positive anti-B19V IgM antibody. Both anti-B19V IgG and IgM were higher among patients who had stillbirth than those who had miscarriage both qualitatively and quantitatively. On the other hand, there is a highly significant association of anti-B19V IgM positivity with maternal anemia.
 Conclusion: The study found high association between B19V and miscarriage or stillbirth as compared to normal pregnancy, and this was more common among patients who had stillbirth than those who had miscarriage, with obvious association with maternal anemia, all of the above is among pregnant women from Mosul City in Iraq.

  • WU and KI polyomaviruses
    Husam Lazim and Asmaa Al-Obaidi

    Egypts Presidential Specialized Council for Education and Scientific Research

  • Prevalence of anti-BK polyomavirus IgG in A Sample of Iraqi renal transplant recipients
    Ghufran Hammoodi Abed ,, Wisam Mahdi alsaeed ,, Mustafa Rasul Hussein ,, Asmaa Baqer Al-Obaidi ,, Ahmed Sattar Abood ,,et al.

    Diyala Journal of Medicine
    Background: BK virus, a human polyomavirus, causes nephropathy and allograft loss in renal transplant recipients. Although it was discovered in 1971, understanding of the humoral immune response to BKV is limited.
 Objective: To serological detection and level estimation of anti-BK-IgG in renal-transplanted recipients and healthy blood donors as control.
 Patients and Methods: Serum samples were collected from 106 renal transplant recipient patients and 100 healthy  blood donors as control groups, and were analyzed for anti-BK IgG antibodies by using quantitative and qualitative Human BK Virus IgG (BK-IgG) ELISA kit for detection and estimation positivity of BK_IgG and titration.
 Results: Out of 206 subjects, 114(55.3%) have a positive result for BK-IgG. seropositivity was detected in 54(50.9%) of 106 RTR patients and 60 (60.0%) in the 100 control group, so there was no significant difference between seropositivity of BKV IgG antibody among the studied groups, p =0.191.
 Conclusion: The highly significant differences between seropositivity of BK-IgG with high levels of serum creatinine.

  • THE POTENTIAL ROLE OF EPSTEIN BARR VIRUS IN MULTIPLE SCLEROSIS MOLECULAR AND SEROLOGICAL STUDY
    Asmaa B. Al-Obaidi, Zainab A. Ali, Sarmad Abdul Rasool Almashta, and Haider Faisel Ghazi

    ALUNA
    The aim: To identify the relation between EBV infection/reactivation and multiple sclerosis, compared to the normal controls. Materials and methods: A case-control study conducted in 120 MS patients, aged between 12-42 years, and 120 apparently healthy age- and sex-matched volunteers as controls. Viral DNA was extracted from 100μl of plasma samples, and then viral DNA was detected and quantified by quantitative real time-polymerase chain reaction (q-PCR). Serum samples were used for the detection of anti-EBNA-1 IgG. Results: Quantitative polymerase chain reaction of EBV showed absence of EBV viremia in all MS patients and control. However, anti EBNA-1 IgG antibody was positive in 51.7% (62/120) of MS patients and 39.2% (47/120) of controls, (P=0.035). The median of anti EBNA-1 IgG level in MS patients and controls were 81.08 U/ml and 67.73 U/ml, respectively (P=0.043). Additionally, EBNA-1 antibody was significantly higher in younger age groups. Patients with the first-line and second-line treatment showed no significant differences in anti EBNA-1 IgG levels, while the median level in patients without treatment (newly diagnosed) was higher. Conclusions: EBNA-1antibody could play a significant role in development of MS, as it is significantly higher in MS patients than in controls, especially at younger age groups, at early stages of the disease and in female patients.

  • The possible role of polyomavirus in urothelial cancer
    Noora M Kareem, Dalya Basil Hanna, Asmaa B Al-Obaidi, and Haider Faisel Ghazi

    Africa Health Research Organization
    Background: Cancer of the urinary bladder is the second most common genitourinary cancer, multiple carcinogenic factors have been attributed including viral infections, a high percentage of human polyomaviruses were found in bladder cancer tissues which might play a role in the process of carcinogenesis. Objectives: Detection of polyomavirus(PV) antigen and DNAquantification in cancerous and non-cancerous urinary bladder tissues. Patients and methods: Retrospective study included thirty urinary bladder cancer tissues, nine with cystitis, and six normal bladder urothelium.Polyomavirus large T antigen (PV LTAg) was detected in these tissues by immunohistochemistry (IHC), and quantification of BK polyomavirus DNA in the tissue by real time-PCR. Results: PV LTAg was positive in 56.7% of bladder cancer tissues, and in only one 11.1% of inflammatory tissues, while none of the normal tissues showed positive signal (p=0.005), real time-PCR detected BK polyomavirus DNA in 18 (60%) of bladder cancers, 2 (22.2%) of inflammatory tissues, p=0.003. Conclusion:High rate of occurrence of PV LTAgand DNA in bladder cancer tissues could raise the possibility of the role of this virus as an oncogenic virus in bladder tumorgenesis.

  • Molecular detection of epstein - Barr virus and human herpesvirus-6 in a sample of Iraqi patients with acute Leukemia
    Arwa Mujahid Al-Shuwaikh, Dalya Basil Hanna, Asmaa B. Al-Obaidi, and Ghaith Ali Jasim

    GP Innovations Pvt. Ltd.
    The pathogenic roles of human herpesvirus-6 (HHV-6) and Epstein-Barr virus (EBV) in acute leukemia have been of great interest. Patients with leukemia should be evaluated for viral infection, so they could be diagnosed for optimal therapy. In the current study, we aimed to determine the frequency of HHV-6 and EBV in a sample of Iraqi patients with acute leukemia in children and adults before chemotherapy. Fluorescent probe-based quantitative polymerase chain reaction (Q-PCR) method was used to quantify copies of HHV-6 and EBV DNA in 20 cases of acute lymphoblastic leukemia (AML), and 40 cases of hematological stable control subjects. Also, the effects of viral infection on hematological parameters were investigated. Results show that (47.5%) 19 out of 40 of patients at diagnosis recorded positive to one of the investigated viruses. Thirteen (32.5%) and 12 (30%) out of 40 patients with acute leukemia had positive EBV and HHV-6 viremia, respectively, while none of control group shows positive result with highly significant differences between patients and control groups (P<0.001). The mean EBV and HHV-6 viral load was (7737.615±9106.838 copies/ml) and (94393.58±214528.9 copies/ml), respectively. In this study, there was no significant association between viral infection and hematological parameters (P>0.05).In conclusion, infections or co-infections with EBV and HHV-6 could be a factor in the development of acute leukemia but further studies are required to establish whether there is a real association.

  • Association of Polyomavirus BK Virus with Chronic Renal Failure patients
    Sattar G. Ajeel, Asmaa B. Al-Obaidi, Zena M. Qaragholi, and Haidar A. Shamran

    Africa Health Research Organization
    Background: Patients in end-stage renal disease (ESRD) were considered immunocompromised, especially those on hemodialysis (HD) procedure which seemed to produce alterations of the immune status. BK polyomavirus (BKV) was found to be an aggravating factor of renal failure, and interest in immunosuppression has increased due to BKV infection. Objective:This study aimed to investigate thepossible association between BKV with ESRD with and without dialysis. Subjects and Methods:A case-control study included 150 serum samples collected from 50 patient with ESRD on dialysis,50 without dialysisand50 apparently normal subjects with normal renal function as control.Quantitative Real time PCR(RT-PCR) was done for detection of BKV viral load. Results: twenty (40%) out of the 50 dialysis patients were positive for BKV by RT-PCR and, eight (16%) were positivein patients without dialysis, while none of the controls was positive. There were highly significant differences (p<0.001)on comparing between the mean viral load in patients who had dialysis was 2.16X10 5 copies/ml of BK viralDNA, and those without dialysis1 22X10 3 copies/ml of BK viralDNA. Conclusion: These results strongly indicated the role of BKV infection (quantitatively and qualitatively) in ESRD particularly in patients with dialysis; this put dialysis as a potential risk factor for BKV infection in those patients.

  • Human herpesvirus-6 in relapsing remitting multiple sclerosis


  • Occurrence and risk factors of human herpes virus-6 among renal transplant recipients: A single-center study