Publications by authors named "Z Sami"

Migration is an essential characteristic of cells that occurs during many physiological and pathological processes. Astrocytes represent the most abundant cell type in the adult central nervous system (CNS), that play a crucial role in various functions such as guiding and supporting neuronal migration during development and maintaining brain homeostasis at adulthood. Astrocytes specifically synthesize and release endozepines, a family of regulatory peptides, including the octadecaneuropeptide (ODN).

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Article Synopsis
  • Photon-counting detector-computed tomography (PCD-CT) technology offers better spatial resolution and may improve diagnostic performance for obstructive coronary artery disease (CAD) compared to traditional energy-integrating detector computed tomography (EID-CT).
  • A study of 7,833 patients showed that those who had PCD-CT were less likely to be referred for invasive coronary angiography (ICA) and had higher rates of revascularization when referred.
  • PCD-CT demonstrated significantly better specificity, positive predictive value, and diagnostic accuracy at the vessel level compared to EID-CT, with similar sensitivity and negative predictive value results.
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To assess the effects of excessive screen time on the health of medical and dental students due to online teaching during the COVID-19 pandemic. It was a descriptive cross-sectional study, conducted in Bahria University of Health Sciences from June 2022 to September 2022 after getting ethical approval. A total of 200 students who attended online teaching modules for at least one year through online teaching Apps, were included.

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Fibrillar collagen is the major protein in the extracellular matrix and regulates cell behavior via chemical and mechanical cues. The key structural element of collagen fibrils is the axially repeating -period, formed by the lateral association of collagen triple helices. We have developed fibril-forming collagen mimetic peptides (FCMPs) with repeated amino acid sequences, which form fibrils having -period-like structures.

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Phyllodes tumor is a rare tumor of the breast, which encompasses both stromal and epithelial components. In these components, metaplastic changes can be observed occasionally. We report the case of a 51-year-old woman nulligest menopaused who presented a huge mass, largely ulcerated in her right breast.

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