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Author

O. Abdelkarem

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3 papers indexed here

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Oct 2026

A-130 Triglyceride–Glucose (TyG) Index Outperforms Glycemic Status Alone in Predicting Vitamin D Deficiency among Obese Egyptian Adults

Vitamin D deficiency is highly prevalent in obesity and has been linked to insulin resistance, atherogenic dyslipidemia, and increased cardiometabolic risk. Whether vitamin D deficiency in obese individuals is driven predominantly by glycemic category (euglycemia, prediabetes, type 2 diabetes mellitus T2DM) or by...

O. Abdelkarem, Nagla Usama, Amr E. Ahmed et al. · 0 citations
Review Oct 2026

B-309 Codon 84 as a Potential Molecular Hotspot: Germline VHL p.Val84Met Presenting as Isolated Bilateral Pheochromocytoma

Von Hippel–Lindau disease (VHL) is an autosomal dominant cancer predisposition syndrome caused by pathogenic variants in the VHL gene, leading to impaired degradation of hypoxia-inducible factor (HIF) and dysregulated angiogenic signaling. Missense variants are commonly associated with pheochromocytoma-predominan...

O. Abdelkarem, M. Alam, M. Bhat et al. · 0 citations
Review Open access Sep 2026

Molecular Perspectives on Innate Immune Homeostasis: Interlocking Roles of Natural Killer and Dendritic Cells

An integrated framework for understanding how NK-DC interactions establish, maintain, and potentially restore immune homeostasis is proposed, in which Tregs act as downstream regulatory partners that reinforce peripheral tolerance rather than as equivalent components of the central NK-DC axis.

A. Hemdan, Nagla Usama, O. Abdelkarem · 0 citations

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