Publications by authors named "Fawaz Alshammari"

Acute respiratory distress syndrome (ARDS) is one of the major problems in COVID-19 that is not well understood. ARDS is usually complicated by co-infections in hospitals. Although ARDS is inherited by Europeans and Africans, this is not clear for those from the Middle East.

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The lethal pathogenic severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection has caused the COVID-19 pandemic, posing serious risks to people. The clove-like spike (S) protein that distinguishes coronaviruses from other viruses is important for viral pathogenicity, evolution, and transmission. The investigation of the unique structural mutations of the SARS-CoV-2 spike protein among 34 Asian countries, as well as the resulting phylogenetic relationship, provided critical information in understanding the pathogenesis.

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Background Head and neck lesions, which are predominantly benign, were widely reported. Some of these tumors are potentially neoplastic and others are non-neoplastic. Therefore, this study aimed to assess the clinicopathological features of patients nominated for head and neck biopsies.

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Methicillin resistant Staphylococcus aureus infections impose a huge risk to public health in healthcare and community settings worldwide. Therefore, it is of interest to document data on the anti-biogramas and genotypes of isolates from Saudi Arabia. We assessed the antimicrobial susceptibility, determined spa (protein A gene) and analyzed multilocus MLST genotypes, and detected PVL gene in these isolates.

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Background: Appendectomy remains the most common emergency surgery. With the lack of literature from Saudi Arabia regarding the treatment for appendix disorders, this study aimed to identify the common motives for appendectomy in Northern Saudi Arabia.

Methodology: Data referring to be resected appendix patients who were diagnosed during the period from January 2018 to December 2018 were included in the present study.

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Thyroid diseases are caused by autoimmunity due to hormone imbalance both in male and female patients. Therefore, it is of acute importance to measure, analyze and compare thyroid hormone levels among populations with thyroid-related complications. Hence, we examined 202 male and female thyroid patients in the Hail regions of Saudi Arabia and estimated their hormone levels.

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Serine protease (SPs) is one of the immune enzyme's molecules that play a main role in the variation of a physiological process by controlling protease actions in vertebrates. For example, signaling cells, protector and improvement, which are included in melanization, are utilized to cascade with the meddling pathogens and defense the harmed tissue in insects. In this study, we explore the biochemical process of (SP-22) from Bombyx mori.

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Background: There is a substantial rise in the incidence of cancer in Saudi Arabia. Life style models and lack of awareness are the prime suspect in this substantial increase. Therefore, the objective of the present study was to assess the relationship between lifestyle and cancer in a population-based Survey in Northern Saudi Arabia.

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Background: Understanding of cervical cancer severity is still an important health issue across the world, especially for developing countries. Cancer or abnormal growth of the cell is one of the major health problems of the world. There are about two hundred types of malignancies reported till date.

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This study determined the prevalence of urinary tract infections in the Sudanese state of Khartoum and antimicrobial susceptibility pattern of isolated bacterial species. 200 adult patient urine specimens were collected and cultivated to identify the growing bacteria and their susceptibility to antibiotics. 35 % of specimens had significant bacterial growth.

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Background: The Human Papillomavirus (HPV) is a DNA tumor virus that causes epithelial proliferation. There are more than 100 HPV subtypes, of which 13 subtypes are regarded as high risk subtypes that can cause cancers of epithelial mucosal surfaces. High risk human papilloma viruses (HR-HPV) subtypes 16 and 18 plays a major role in the etiology of cervical cancer worldwide.

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Autism spectrum disorder (hereafter referred to as "ASD") is a heterogeneous neurodevelopmental condition characterized by impaired social communication and interactions, and restricted, repetitive activities or interests. Alterations in network connectivity and memory function are frequently observed in autism patients, often involving the hippocampus. However, specific changes during early brain development leading to disrupted functioning remain largely unclear.

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Background: Roles of tobacco and alcohol use in etiology of cancer are well established. Alterationin in P53 have essential roles neoplastic change by preventing genome mutation; the aim of this study was to assess the association between P53 mutation and tobacco and alcohol consumption, as well as to assess the epidemiology of tobacco and alcohol use as risk factors for cancer in the adult population of northern Saudi civilians.

Materials And Methods: A cross-sectional survey from October 2014 to January 2015, covering 3,398 adults, was performed.

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Background: The aim of this study was to assess cancer awareness among medical students in Saudi Arabia toward tobacco and alcohol use as risk factors.

Materials And Methods: A cross-sectional survey from October to December 2014, covering 1200 medical students, was performed.

Results: Of the total, 975 (81.

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Objective: The aim of this study was to screen for the presence of Epstein Barr Virus (EBV) among Sudanese patients with Nasopharyngeal Carcinoma (NPC).

Methods: In this study, 150 tissue samples that were previously diagnosed as having NPC were screened for the presence of EBV using Polymerase Chain Reaction (PCR). PCR was performed to amplify two viral genes; EBV nuclear antigen-4 (EBNA-4) and latent membrane protein-1 (LMP1).

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Background: Nasopharyngeal carcinoma (NPC) is an aggressive disease and tends to involve surrounding tissues, and biomarkers for better management are yet to be identified.

Materials And Methods: One hundred and fifty tissue samples with NPC diagnosis were were investigated using pan cytokeratin (CK) and epithelial membrane protein 2 (EMP2) antibodies.

Results: Immunohistochemical expression of CK was identified in 144/150 (96%) and of EMP2 in 120/150 (80%).

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