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Full-Text Articles in Laboratory and Basic Science Research
Biochemical Characteristics Of Inconsistent Free T₄ Assays, Kristofer S. Fritz
Biochemical Characteristics Of Inconsistent Free T₄ Assays, Kristofer S. Fritz
Loma Linda University Electronic Theses, Dissertations & Projects
Serum levels of free thyroxine (T4) are helpful in the clinical evaluation of patients who are suspected of having thyroid disease, since free T4 (unbound) is known to closely relate to hyper, eu and hypothyroidism. There are documented inconsistencies among commercially available direct free thyroxine immunoassays. The biochemical basis for these inconsistencies is not understood and has not been characterized. Direct free T4 measurements have been linked to both T4-binding serum protein concentrations and protein-bound T4 concentrations. A free T4 reference method using direct equilibrium dialysis radioimmunoassay has been well characterized. New …
Radiation-Induced Increases In Pkc Modulate Integrin Expression And Contribute To Fibrotic Changes, Pinal Rushikesh Pandya
Radiation-Induced Increases In Pkc Modulate Integrin Expression And Contribute To Fibrotic Changes, Pinal Rushikesh Pandya
Loma Linda University Electronic Theses, Dissertations & Projects
The sequences of events in fibrosis are similar to those in wound healing; however, the normal termination and resolution stages do not take place. The initial cellular response following ionizing radiation involves accumulation of the ECM (extracellular matrix) including collagen, fibronectin and the interaction of many growth factors (cytokines) with their receptors. There are a number of unanswered questions regarding many aspects of radiation-induced fibrosis, including the initial triggers and physical changes that initiate the process. We have confirmed that elevated pKC and other cellular changes following radiation are similar to those found at sites of inflammation. This information leads …