Browsing Bergen Open Research Archive by Author "Ibrahim, Salah Osman"
Now showing items 1-10 of 10
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Association between Oral Health Status and Type 2 Diabetes Mellitus among Sudanese Adults: A Matched Case-Control Study
Mohamed, Hasaan Gassim; Idris, Shaza Bushra; Ahmed, Mutaz Faisal; Bøe, Olav Egil; Mustafa, Kamal Babikeir Eln; Ibrahim, Salah Osman; Åstrøm, Anne Nordrehaug (Peer reviewed; Journal article, 2013-12-11)Aim: The purpose of this study was to compare the clinical and subjective oral health indicators of type 2 diabetic patients (T2DM) with age and gender matched non-diabetic controls. A second aim was to identify clinical ... -
Expression of biomarkers (p53, transforming growth factor alpha, epidermal growth factor receptor, c-erbB-2/neu and the proliferative cell nuclear antigen) in oropharyngeal squamous cell carcinomas
Ibrahim, Salah Osman; Lillehaug, Johan; Johannessen, Anne Christine; Liavaag, P. G.; Nilsen, Rune; Vasstrand, Endre N. (Peer reviewed; Journal article, 1999)Using immunohistochemistry, expression of p53, transforming growth factor-alpha (TGF-α), epidermal growth factor receptor (EGFR), c-erbB-2/neu and proliferating cell nuclear antigen (PCNA) was examined in 26 fresh frozen ... -
Forslag til en løsning på rekrutteringsproblemet til vitenskapelige stillinger ved Det odontologiske fakultet i Bergen: Integrering av odontologisk forskning i den eksisterende forskerlinje ved Det medisinske fakultet i Bergen
Ibrahim, Salah Osman (UPED-skrift nr. 1/2004, Working paper, 2004)Salah Osman Ibrahim (Det odontologiske fakultet) legger fram til diskusjon et forslag vedrørende rekrutteringsproblemet til den odontologiske forskningen. Forslaget innebærer organisering av et forskeropplæringstilbud for ... -
Gene expression profile of oral squamous cell carcinomas from Sri Lankan betel quid users
Lunde, Mai Lill Suhr; Dysvik, Bjarte; Bruland, Ove; Warnakulasuriya, K. A. A. Saman; Amaratunga, Asoka N.; Jonassen, Inge; Vasstrand, Endre N.; Ibrahim, Salah Osman (Peer reviewed; Journal article, 2007-11)Oral squamous cell carcinoma (OSCC) is one of the major health problems in Sri Lanka and the disease is associated with the habit of Betel Quid (BQ) chewing. Using 35k oligo microarrays, we analyzed the gene expression ... -
Immunohistochemical detection of p53 in non-malignant and malignant oral lesions associated with snuff dipping in the Sudan and Sweden
Ibrahim, Salah Osman; Johannessen, Anne Christine; Idris, Ali M.; Hirsch, Jan M.; Vasstrand, Endre N.; Magnusson, Bengt; Nilsen, Rune (Journal article, 1996)Immunohistochemistry was used to examine the expression of p53 in pre-malignant oral lesions and oral squamous-cell carcinomas (SCCs) from Swedish and Sudanese snuff-dippers, as well as in pre-malignant oral lesions and ... -
Impact of chronic periodontitis on levels of glucoregulatory biomarkers in gingival crevicular fluid of adults with and without type 2 diabetes
Mohamed, Hasaan Gassim; Idris, Shaza Bushra; Mustafa, Manal; Ahmed, Mutaz F.; Åstrøm, Anne Nordrehaug; Mustafa, Kamal Babikeir Eln; Ibrahim, Salah Osman (Peer reviewed; Journal article, 2015-05-20)The relationship between diabetes and periodontal disease is bidirectional, but information about the effect of chronic periodontitis on the levels of the glucoregulatory biomarkers locally in gingival crevicular fluid ... -
Influence of type 2 diabetes on local production of inflammatory molecules in adults with and without chronic periodontitis: A cross-sectional study
Mohamed, Hasaan Gassim; Idris, Shaza Bushra; Ahmed, Mutaz F.; Åstrøm, Anne Nordrehaug; Mustafa, Kamal Babikeir Eln; Ibrahim, Salah Osman; Mustafa, Manal (Peer reviewed; Journal article, 2015-07-27)Background Pathological changes in periodontal tissues are mediated by the interaction between microorganisms and the host immune-inflammatory response. Hyperglycemia may interfere with this process. The aim of this study ... -
Influence of type 2 diabetes on prevalence of key periodontal pathogens, salivary matrix metalloproteinases and bone remodeling markers in adults with and without chronic periodontitis
Mohamed, Hasaan Gassim; Idris, Shaza Bushra Mohamed; Mustafa Sharafeldin, Manal Ibrahim; Ahmed, Mutaz Faisal; Åstrøm, Anne Nordrehaug; Mustafa, Kamal Babikeir Eln; Ibrahim, Salah Osman (Peer reviewed; Journal article, 2016)This study compared the influence of type 2 diabetes on the occurrence of six periodontal pathogens in plaque samples of patients with and without chronic periodontitis. Levels of salivary MMP-8, MMP-9, RANKL, and OPG were ... -
Mutations of the p53 gene in oral squamous-cell carcinomas from sudanese dippers of nitrosamine-rich toombak and non-snuff-dippers from the Sudan and Scandinavia
Ibrahim, Salah Osman; Vasstrand, Endre N.; Johannessen, Anne Christine; Idris, Ali M.; Magnusson, Bengt; Nilsen, Rune; Lillehaug, Johan (Journal article, 1999-11-08)Using PCR-SSCP/DNA sequencing methods, we analyzed 14 oral squamous-cell carcinomas (OSCCs) and 8 pre-malignant oral lesions from different Sudanese patients for prevalence of mutations in exons 5 to 9 of the p53 gene in ... -
The Swedish Snus and the Sudanese Toombak: are they different?
Idris, Ali M.; Ibrahim, Salah Osman; Vasstrand, Endre N.; Johannessen, Anne Christine; Lillehaug, Johan; Magnusson, Bengt; Wallström, M.; Hirsch, Jan M.; Nilsen, Rune (Journal article, 1998-11)In Sweden, snuff (locally known as snus), was introduced since the year 1637. Presently, Sweden has the highest per capita consumption and sale figures of snuff in the world, and the habit is becoming increasingly popular. ...