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Frequency of Rotavirus among under 5 Children Admitted to Wad Madani Pediatric Teaching Hospital with Diarrhea, Gezira State, Sudan (2021-2022)

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Open Journal of Medical Microbiology 2024年第3期14卷 206-214页

作者： Rehab Ibrahim Ali Babekir adil mergani Babiker Bakri Yosif Mohamed Nour Department of Microbiology Faculty of Medical Laboratory Science University of Gezira Wad Medani Sudan National Cancer Institute University of Gezira Wad Medani Sudan Department of Medical Parasitology Faculty of Medical Laboratory Science University of Gezira Wad Medani Sudan

Rotavirus is the leading cause of acute gastroenteritis and responsible for 20% of death in children under 5 years of age approximately 111 million episodes of gastroenteritis due to Rotavirus in under 5 children, which result in 25 million visits to clinic, 2 million hospitalization and 352,000 - 592,000 deaths. Children in the poorest countries account 82% of rotaviruses death. Diarrhea disease are major cause of death and disease among children under five years, a child on average suffers 2 to 3 attacks of diarrhea every year. Stools samples were collected from 196 children suffering from diarrhea and were tested for rotaviruses by immune chromatography test antigen (ICT-Ag), ELISA and RT PCR The data were analyzed using statistical package for the Social Sciences (SPSS). The results showed that prevalence of rotavirus was 26/196 (13.3%) by ICT Ag and ELISA and confirmed by RT-PC R. 87.8% of the children were vaccinated by Rota vaccine, 70% of their mothers not using soap for cleaning the children and thought diarrhea not infectious disease and believed it was caused by teething. In conclusion there was a decrease in prevalence of diarrhea by Rotavirus due to insertion of Rota vaccine in routine vaccination, rotavirus infection mostly occurs in poor family that not able to provide safe water and due to poor sanitation and low education of mother beside that some children suffered from malnutrition, so it recommended to incorporate ELISA as a diagnostic tool in routine diagnosis of rotavirus among children suffered from gastroenteritis.

关键词： Diarrhea Rotavirus Under 5 Laboratory Diagnosis Sudan

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Association of Hyperhomocysteinaemia with Hyperglycaemia, Dyslipidaemia, Hypertension and Obesity

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International Journal of Clinical Medicine 2022年第8期13卷 405-414页

作者： Hala Abdelazeem adil mergani Yousifabdelhameed Mohammed Bakri Yousif Mohamed Nour Faculty of Medical Laboratory Sciences University of Gezira Wad Medani Sudan National Cancer Institute University of Gezira Wad Medani Sudan

There is conflicting scientific data about the link between, high homocysteine (Hcy) levels in the general population, and obesity. This is a case-control study aimed to assess the role of hyperhomocysteinemia in obesity and its associated illnesses, including hypertension, dyslipidemia, and hyperglycemia in Gezira state, Sudan. Two hundred and eleven participants were included in the study, 140 were obese (117 females and 23 males) and 71 were normal weight control, the obese median age was 49.49 ± 12.2 years. The control group consisted of 71 individuals with an average age of 45.78 ± 17.67 years. Among those who were already known to be obese, 67 (47.9%) reported having type II diabetes mellitus, 71 (50.7%) reported having hypertension, and 35 (25%) were obese without having either diabetes or hypertension. Three mls of venous blood from each participant were collected in the morning after a 12 h overnight fasting in Lithium heparin containers then the plasma was separated and stored at -80°C for analysis. Serum Hcy and lipid profile were measured using the enzymatic method by Cobas C 411 analyzer. In comparison to obese non-hypertensive, the results showed that obese hypertensive with Hcy levels > 15 mol/L had a considerably increased risk (OR 1.12). When Hcy levels > 15 mol/L were compared to obese diabetics and obese non-diabetics, insignificant difference was shown (P: 0.345). Males had a higher likelihood of having hyperhomocysteinemia than females did (OR 1.2). Homocysteine, cholesterol triglyceride, LDL, and HDL mean values were compared between case and control groups using the independent sample t-test, and the results revealed statistically significant (P: <0.05). Relationships between hyperhomocysteinaemia and cholesterol, triglycerides, LDL, and HDL in the group of obese individuals were not statistically significant (P: 0.574, 0.265, 0.748, and 0.14), respectively. Obesity and Hcyconcentrations were shown to be substantially correlated. However,

关键词： Homocysteine Hyperglycaemia Dyslipidaemia Hypertension Sudan

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Molecular Identification of Streptococcus pyogenes in Isolates from Children with Pharyngitis, Gezira State, Sudan 2022

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Advances in Microbiology 2022年第8期12卷 500-510页

作者： Minas Mohamed Balla adil mergani Mohamed Elamin A. M. E. Medani Adam Dawoud Abakar Department of Microbiology Faculty of Science University of Gezira Wad Medani Sudan Department of Molecular and Immunogenetics NCI University of Gezira Wad Medani Sudan Pediatric Cardiologist Faculty of Medicine University of Gezira Wad Medani Sudan Department of Medical Parasitology Faculty of Medical Laboratory Science University of Gezira Wad Medani Sudan

Background: Streptococcus pyogenes (Group A streptococcus) is an important Gram-positive human pathogen affected the upper respiratory tract, such as the tonsils and pharynx, and is also induces post-infection diseases such as rheumatic fever and glomerulonephritis. This study aim to isolate Streptococcus pyogenes from children with pharyngitis and to evaluate the molecular identification of S. pyogenes compared with conventional methods. Methods: A cross sectional study was conducted on total of 200 throat swab samples which were collected from children with pharyngitis referred to Wad medani Pediatric Teaching Hospital and Wad medani ENT hospital from January to November 2021. Demographic and clinical data were collected by questionnaire. Throat swabs were tested with the standard microbiological techniques to isolated Group A streptococcus (GAS). Antimicrobial susceptibility testing was performed to all GAS isolates using the Kirby Bauer disk diffusion method according to clinical laboratory standard institute (CLSI) guidelines. Additionally, PCR was used to identify Spy 1258 gene of isolated bacteria. Results: From all throat swab samples screened, 51 isolates (25.5%) were identified as GAS. Antibiotic susceptibility testing revealed that all the GAS isolates were sensitive to Penicillin and Azithromycin. Sensitivity to Erythromycin, Gentamicin, Clarithromycin, Amoxicillin and Cephalexin were 88.2%, 86.3%, 45.1%, 41.2%, 13.7%, respectively. Based on PCR identification of Spy 1258 gene the percentage of isolated bacteria was 21%. Conclusion: The rate of isolated Streptococcus pyogenes was 25.5% by conventional methods and 21% by PCR. The bacteria were sensitive to Penicillin and Azithromycin. The Spy 1258 gene was specific for detection of Streptococcus pyogenes.

关键词： Antimicrobial Sensitivity Test Pharyngitis Spy 1258 Streptococcus pyogenes Sudan

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Streptococcal Pyrogenic Exotoxin Genes SpeA and SpeB in Isolates of Streptococcus pyogenes from Children with Pharyngitis, Gezira State, Sudan

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American Journal of Molecular Biology 2022年第4期12卷 181-189页

作者： Minas Mohamed Balla adil mergani Mohamed Elamin A. M. E. Medani Adam Dawoud Abakar Ameer Mohamed Dafalla Department of Microbiology Faculty of Science University of Gezira Wad Medani Sudan Department of Molecular and Immunogenetics NCI University of Gezira Wad Medani Sudan Pediatric Cardiologist Faculty of Medicine University of Gezira Wad Medani Sudan Department of Medical Parasitology Faculty of Medical Laboratory Science University of Gezira Wad Medani Sudan

Background: Streptococcus pyogenes (group A streptococcus, GAS) is an important human bacterial pathogen. This organism possesses many virulence factors, Streptococcal pyrogenic exotoxinone of these. Aim: Detection of Streptococcal pyrogenic exotoxin SpeA and SpeB in isolated Streptococcus pyogenes. Methods: Tow hundred throat swab samples were collected from children with pharyngitis referred to Pediatric Teaching hospital and ENT hospital Wad medani, Sudan, from January to November 2021. The questionnaire was filled out to collect clinical and demographic data. Throat swabs were collected and processed with the standard microbiological procedure to isolate Streptococcus pyogenes. Antimicrobial susceptibility testing was done on all GAS isolates using the Kirby Bauer disk diffusion method according to clinical laboratory standard institute (CLSI) guidelines. Detection of Spy 1258 gene and Streptococcal pyrogenic exotoxins SpeA and SpeB were done by using Multiplex PCR. Results: Amongst the Tow hundred collected samples fifty-one isolates (25.5%) were identified as S. pyogenes. Antibiotic susceptibility testing showed that all the GAS isolates were sensitive to Azithromycin and Penicillin. Sensitivity to Erythromycin, Gentamicin, Clarithromycin, Amoxicillin and Cephalexin were 88.2%, 86.3%, 45.1%, 41.2%, 13.7%, respectively. SpeA was detected in 17 (33.3%) and SpeB in 48 (94.1%). Conclusion: Streptococcal pyrogenic exotoxin genes SpeA and SpeB were detected in 17 (33.3%) and 48 (94.1%) respectively of Streptococcus pyogenes isolates.

关键词： Streptococcus pyogenes Streptococcal Pyrogenic Exotoxin Genes Sudan SpeA SpeB

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The Frequency of rs1799889 in Plasminogen Activator Inhibitor Type-1 Gene in Sudanese Type 2 Diabetic Patients, Gezira State, Sudan, 2020-2021

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Open Journal of Applied Sciences 2022年第2期12卷 165-174页

作者： Rowida Eljack Ibrahim Sanaa Elfatih Hussein Ibrahim Khalid Abdelsamea Mohamedahmed Abdarahim Ali Babikir Haj Alzebar Rania Ali Abdella Mohamed adil mergani Babiker Bakri Yousif Mohamed Nour Department of Hematology and Immunohematology Medical Laboratory Science University of Gezira Wad Madani Sudan Department of Clinical Laboratory Sciences Faculty of Applied Medical Sciences Al Jouf University Sakakah Saudi Arabia Department of Histopathology and Cytology Medical Laboratory Science University of Gezira Wad Madani Sudan Department of Molecular Biology National Cancer Institute University of Gezira Wad Medani Sudan

Background and Objectives: The cornerstone of the regulation fibrinolytic system is plasminogen activator inhibitor type-1. The 4G/5G polymorphism in the PAI-1 gene is a key genetic predictor of increased plasma levels which is the most polymorphism associated with cardiovascular complications. The 4G carriers have six times higher PAI-1 levels than 5G carriers leading to an increase in the level of plasma inhibitor by about 25% more than 5G allele (wide type). Type 2 diabetes presents symptoms of hypercoagulability and hypofibrinolytic system that lead to contribute in the atherothrombosis and then the myocardial infarction (MI). These findings supported the hypothesis that there is a link between diabetes patients and this SNP. There is no data about the prevalence of this allele in Sudanese diabetic patients with type 2 and the allele differs in prevalence according to ethnicity, for these reasons, the aim of this study was to determine the allele and genotype frequency of the rs1799889 among Sudanese T2DM patients. Methods: A case-control study was conducted using 70 diagnosed diabetes type 2 patients and 50 healthy individuals as the control group. AS-PCR technique was used to genotype the rs1799889, and the allelic frequency was calculated according to Hardy-Weinberg equilibrium. Allelic frequencies were assessed using gene counting (SNP-STAT software V. Release 3.13), and genotypes were scored. Results: The result showed that 4G allele frequency was 28% among Sudanese diabetic patients without statistical difference when compared with control group (P-value = 0.998) but, high when compared with other studies in African population 13% and very low when compared with white and Indian populations studies. Conclusion: By this study, the allele frequency was higher in Sudanese diabetic patients with type 2, and also we need another study to evaluate the effect of this polymorphism in thrombophilic complications in Sudanese diabetic patients with type 2.

关键词： 4G/5G Polymorphism Diabetic Mellitus Type 2 and PAI-1 Gene

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