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Characterization of Gram-Positive bacteria in Gallstone among Iraqi Patients
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Background: Gallstone disease (GSD) is a significant global health burden with variable prevalence influenced by metabolic, genetic, and infectious factors. Increasing evidence suggests that Gram-positive bacteria, particularly Staphylococcus aureus and Enterococcus species, contribute to gallstone pathogenesis through enzymatic activity and biofilm formation. Objectives: To characterize Gram-positive bacteria within gallstones from Iraqi patients, evaluate their biofilm-forming capacity, and analyze the relationship between bacterial colonization, gallstone type, and cholesterol levels. Methods: A total of 100 gallstones were obtained from patients undergoing elective cholecystectomy between October 2024 and March 2025. Stones were aseptically processed for bacterial isolation and identification using selective culture media and the VITEK® 2 Compact System. Serum cholesterol levels were determined by enzymatic colorimetric assay. Biofilm formation was quantified via the 96-well microtiter plate method, and statistical correlations between gallstone type, cholesterol level, and bacterial presence were analyzed. Results: Cholesterol stones (57%) were more prevalent than pigment (40%) and mixed stones (3%). Bacterial growth was observed in 43% of gallstones, with Enterococcus species (31 isolates) predominating over S. aureus (12 isolates). Species-level identification revealed E. faecalis (n= 16), E. faecium (n= 9), and E. gallinarum (n= 6), marking the first reported isolation of E. gallinarum from gallstones. Cholesterol concentrations were significantly higher in sterile stones (median 235 mg/dL) compared to bacteria-positive stones (173-186 mg/dL) (P < 0.0001). Biofilm analysis showed all S. aureus isolates as strong producers, whereas E. faecalis exhibited predominantly moderate-to-strong formation, while E. faecium and E. gallinarum displayed weaker capacities. Conclusion: A significant interplay between microbial colonization and gallstone composition. Strong biofilm-producing Gram-positive bacteria, particularly S. aureus and E. faecalis, may facilitate stone maturation and persistence. The novel isolation of E. gallinarum expands the spectrum of biliary microbiota.

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Publication Date
Thu Feb 16 2023
Journal Name
Iraqi Journal Of Pharmaceutical Sciences ( P-issn 1683 - 3597 E-issn 2521 - 3512)
Cost-effectiveness Analysis of Reference Infliximab (Remicade) Compared to its Biosimilar (Remsima) in Iraqi Patients with Rheumatoid Arthritis (Conference Paper )#
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The study objective was to conduct Pharmacoeconomics study (cost-effective analysis) between infliximab reference (Remicade) and its biosimilar (Remsima) in patients with rheumatoid arthritis (RA) in Iraqi hospitals.

This is a retrospective multicenter pharmacoeconomic analysis conducted at two large teaching governmental hospitals in Baghdad, Iraq which provided infliximab to patients with RA. Data were collected from patient’s medical records and face-to-face interviews with the patients from December 2021 to April 2022.

The study included 57 patients with rheumatoid arthritis (RA).  The patients were categorized into two groups according to the type of infliximab they received over 30 weeks: 27 patients received

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Publication Date
Sat Oct 03 2026
Journal Name
Journal Of Baghdad College Of Dentistry
Effect of the examination stress on periodontal health status and salivary IL-1? among Iraqi dental students
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Background: Periodontal diseases (PD) are common chronic inflammatory diseases caused by pathogenic microorganisms colonizing the gingival area and inducing local and systemic elevations of pro-inflammatory cytokines resulting in tissue destruction by a destructive inflammatory process. Stress was considered as one of the important risk factors that cause many inflammatory diseases including PD. The purpose of this study wasto determines and compares clinical periodontal parameters (PLI, GI and BOP), stress level and salivary IL-1? level among dental students before, during and after mid-year exam, also to find the correlation among stress, IL-1? and clinical periodontal parameters. Materials and methods: The sample was consisted of 24 dent

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Publication Date
Sat Jun 19 2021
Journal Name
Iraqi Journal Of Pharmaceutical Sciences ( P-issn 1683 - 3597 E-issn 2521 - 3512)
Serum Chitotriosidase level as a Novel Biomarker for Therapeutic Monitoring of Nephropathic Cystinosis among the Iraqi children
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Background: Cystinosis is a rare autosomal recessive lysosomal storage disease with high morbidity and mortality. It is caused by mutations in the CTNS gene that encodes the cystine transporter, cystinosin, which leads to lysosomal cystine accumulation. It is the major cause of inherited Fanconi syndrome, and should be suspected in young children with failure to thrive and signs of renal proximal tubular damage. The diagnosis can be missed in infants, because not all signs of renal Fanconi syndrome are present during the first months of life. Elevated white blood cell cystine content is the cornerstone of the diagnosis. Since chitotriosidase (CHIT1 or chitinase-1) is mainly produced by activated macrophages both in normal and inflammator

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Publication Date
Mon Mar 02 2026
Journal Name
Retos
A multi-behavioral assessment of physical activity, sedentary behavior, sleep, and weight status among iraqi undergraduate students
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Background: University students in Iraq face rising obesity risk linked to physical inactivity, prolonged sedentary behavior, insufficient sleep, and academic stress. Longitudinal evidence examining the combined influence of these behaviors on weight status in Iraqi universities remains limited. Objective: This study examined six-month longitudinal associations of physical activity, sedentary behavior, sleep duration, and perceived stress with body mass index and percentage body fat among Iraqi university students. Methods: A prospective multi-behavioral study was conducted at six public universities in Iraq. Six hundred undergraduate students aged 18–25 years were followed monthly during one academic semester. Validated questionn

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Publication Date
Thu Oct 01 2020
Journal Name
Biochemical And Cellular Archives
ISOLATION OF SOME PATHOGENIC BACTERIA FROM STUDENTS’ MAKEUP AS A PART OF BIOSAFETY IN THE MEDICAL LABORATORIES
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The bacterial contamination of lipsticks and face cream may become a great important matter in the medical laboratories. The present study was designed to determine the types of bacterial contamination in the face cream and lipsticks of undergraduate students. Also, the study aimed to determine the sensitivity of the isolated bacteria against many antibacterial agents. The study included 190 swabs samples from 190 face cream and lipsticks samples of the females’ students from five departments in the Medical Technology Institute, Almansour, Middle Technical University were collected in February 2018. The swab samples were collected with sterile condition and cultured on enriched Blood agar and MacConkey agar. Serial dilutions were made up

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Publication Date
Tue Jan 01 2019
Journal Name
Indian Journal Of Public Health Research &amp; Development
Predictive Value of Spectral Waveform Indices; Intimal Medial Thickness and Lumen Diameter of Carotid Artery in Iraqi Diabetic and Hypertensive Patients
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Background: Diabetes and hypertension are related to cardiovascular risk factors and are possible to detect development of atherosclerosis in cardiovascular system, were can predict their effect and measurement by ultrasound and Doppler study. These risk factors included increased intima-media thickness, resistive index (RI) and pulsatility index (PI) of the right common carotid arteries. Method: We studied 20 patients with diabetes and hypertension, and 20 patients with diabetes only, were examine right carotid arteries for these two groups. In this sample we studied the Lumen diameter of the Rt. carotid arteries, Intima – media thickness (IMT), peak systolic velocity, end diastolic velocity, and Pulsatility index, Resistance index were

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Publication Date
Tue Feb 28 2023
Journal Name
Tropical Journal Of Natural Product Research
Genetic Association of Angiotensin-converting enzyme 2 ACE-2 (rs2285666) Polymorphism with the Susceptibility of COVID-19 Disease in Iraqi Patients
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Significant risks to human health are posed by the 2019 coronavirus illness (COVID-19). SARS coronavirus type 2 receptor, also known as the major enzyme in the renin-angiotensin system (RAS), angiotensin-converting enzyme 2 (ACE-2), connects COVID-19 and RAS. This study was conducted with the intention of determining whether or not RAS gene polymorphisms and ACE-2 (G8790A) play a part in the process of predicting susceptibility to infection with COVID-19. In this study 127 participants, 67 of whom were deemed by a physician to be in a severe state of illness, and 60 of whom were categorized as "healthy controls" .The genetic study included an extraction of genomic DNA from blood samples of each covid 19 patients and healthy control

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Publication Date
Sun Dec 02 2012
Journal Name
Baghdad Science Journal
The Relation of IGF-1 and Insulin Resistance in a Sample of Iraqi Obese Type 2 Diabetic Patients with Macrovascular Disease
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Type 2 diabetes mellitus(T2DM) is a metabolic disease that is associated with an increased risk for atherosclerosis by 2-4 folds than in non- diabetics. In general population, low IGF-1 has been associated with higher prevalence of cardiovascular disease and mortality .This study aims to find out the relationship between IGF-1 level and other biochemical markers such as Homeostasis Model Assessment insulin resistance(HOMAIR) and Body Mass Index(BMI) in type 2 diabetic patients . This study includes (82) patients (40 females and 42 males) with age range (40-75) years,(34) non obese diabetic patients and (48) obese diabetic patients. The non obese individuals considered

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Publication Date
Wed Apr 01 2026
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Sequencing of Catalytic Serine Protease, Linker, and Activation Peptide Domains-Coding Regions of the F9 Gene in Iraqi Hemophilia B Patients
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Background: Hemophilia B is an X-linked recessive disorder caused by mutations in the F9 gene, causing bleeding tendency predominantly in males. The mutational spectrum of the F9 gene has not been adequately studied in Iraq. Objectives: To detect the disease-causing variants of exons 6, 7, and 8 and immediate introns of F9 gene using Sanger sequencing among Iraqi hemophilia B patients and to correlate them with phenotypes. Methods: Forty Iraqi hemophilia B patients were recruited for this cross-sectional study from The Hereditary Bleeding Disorder Ward in the Children Welfare Teaching Hospital, Medical City, Baghdad, between November 2021 and April 2022 using a consecutive sampling technique. Peripheral blood samples were used for sequencin

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Publication Date
Sat Jan 01 2022
Journal Name
Aip Conference Proceedings
Synthesis and characterization of nano silica from Iraqi sand by chemical precipitation with different acid types
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