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Comparative mass spectrometric analysis of protein composition was carried out in 36 blood plasma specimens from patients with renal cell carcinoma and 20 specimens from donors. Analysis of protein composition of plasma specimens devoid of the major protein fractions showed a 20-50% higher level of protein identifications in patient' specimens. Specimens of the control and experimental series were similar by protein composition, 70-80% identifications in experimental and control series coinciding. High similarity of biological processes with participation of the proteins identified in both series was observed. The greater part of proteins in both series were located extracellularly and were exosomal (specimens from renal cancer patients) or vesicular (specimens from healthy volunteers).
This article was published in the following journal.
Name: Bulletin of experimental biology and medicine
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The amount of PLASMA that perfuses the KIDNEYS per unit time, approximately 10% greater than effective renal plasma flow (RENAL PLASMA FLOW, EFFECTIVE). It should be differentiated from the RENAL BLOOD FLOW; (RBF), which refers to the total volume of BLOOD flowing through the renal vasculature, while the renal plasma flow refers to the rate of plasma flow (RPF).
The amount of PLASMA flowing to the parts of the KIDNEY that function in the production of urine. It is the amount of plasma perfusing the KIDNEY TUBULES per unit time, generally measured by P-AMINOHIPPURATE clearance. It should be differentiated from RENAL PLASMA FLOW which is approximately 10% greater than the effective renal plasma flow.
The amount of the RENAL BLOOD FLOW that is going to the functional renal tissue, i.e., parts of the KIDNEY that are involved in production of URINE.
Functional KIDNEY FAILURE in patients with liver disease, usually LIVER CIRRHOSIS or portal hypertension (HYPERTENSION, PORTAL), and in the absence of intrinsic renal disease or kidney abnormality. It is characterized by intense renal vasculature constriction, reduced renal blood flow, OLIGURIA, and sodium retention.
The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea nitrogen concentration because of the greater protein content of red blood cells. Increases in blood or serum urea nitrogen are referred to as azotemia and may have prerenal, renal, or postrenal causes. (From Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984)
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Renal Cell Carcinoma
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