Browsing by Author "Rizk, Nasser"
Now showing items 21-28 of 28
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The prevalence of vitamin D deficiency among female college students at Qatar University
Sharif, Elham A.; Rizk, Nasser ( Medical Services Department Saudi Arabian Armed , 2011 , Article)Nowadays vitamin D deficiency is considered as a common problem among many Arab countries including Lebanon, Qatar, Saudi Arabia, UAE and other European countries as documented by many studies (1,2,3,5). Vitamin D is a ... -
The Regulation of BRN3B in Adipocytes by Glucose and Insulin
Abochar, Hiba (2014 , Master Thesis)Obesity is the inappropriate accumulation of excess fat stored in the adipocytes of the adipose tissue. Understanding the molecular mechanisms that regulate the process of the preadipocyte to adipocyte conversion, adipogenesis, ... -
The Relationship Between Leptin and PCOS
Sharif, Elham; Faisal, Amal; Osman, Amal; Rizk, Nasser ( De Gruyter , 2014 , Conference Paper)Background: The ob gene produces a leptin hormone that works as a satiety signal to the hypothalamus. Leptin may have a role in polycystic ovary syndrome (PCOS) via its role on obesity and insulin resistance. Materials ... -
Retinopathy of Type 1 Diabetes in Arab Countries: Systematic Review and Meta-Analysis.
Zayed, Hatem; Abdel Motal, Ussama M; Gopalakrishnan, Akila; Ponnuraja, Chinnayan; Doss, C George Priya; Rizk, Nasser; Shebl, Fatma M... more authors ... less authors ( Karger , 2018 , Article Review)To conduct a systematic review and meta-analysis of retinopathy prevalence in patients with type 1 diabetes (T1D) in 22 Arab countries. We systematically searched 4 different literature databases (PubMed, Science Direct, ... -
The Role of Systemic Filtrating Organs in Aging and Their Potential in Rejuvenation Strategies
Kassab, Amal; Rizk, Nasser; Prakash, Satya ( MDPI , 2022 , Article Review)Advances in aging studies brought about by heterochronic parabiosis suggest that aging might be a reversable process that is affected by changes in the systemic milieu of organs and cells. Given the broadness of such a ... -
Sulforaphane Downregulates Hepatic Fibroblast Growth Factor 21 (FGF21) of Diet Induced Obese Mice
Rizk, Nasser; Noureldin, Arwa; Galal, Aya; Mohamed, Omnia; ElGamal, Abdelrahman; Elsayegh, Dina... more authors ... less authors ( The Obesity Society , 2020 , Conference Paper)Background: Fibroblast growth factor 21 is a hormone-like protein that plays a critical role as an energy regulator. Sulforaphane (SFN) is expected to have potential therapeutic effects in treating obesity. This study aims ... -
The expression of bile acid Receptor TGR5 in Adipose Tissue in Diet-induced obesity mice
Ahmed, Sumaya; Rizk, Nasser ( Qatar University Press , 2020 , Poster)Bile acids are significant physiological factors for digestion, solubilization, absorption, toxic metabolites and xenobiotics. In addition, bile acids are responsible of signal transduction as well as metabolic regulation ... -
The Profile of Hepatic Gene Expression of Glucose Metabolism in Mice on High Fat Diet
El-fadl, Rihab; Rizk, Nasser; Fadel, Amena; El Gamal, Abdelrahman ( Qatar University Press , 2020 , Poster)Obesity is a growing problem worldwide, and recent data indicated that 20% of the populations would be obese. Obesity arises as a multifactorial disease caused by inherited traits that interact with lifestyle factors such ...