The effects of varying dialysis regimens on lymphocyte stimulation. 1975

K S Hurst, and L F Saldanha, and S M Steinberg, and M A Galen, and E G Lowrie, and S A Gagneux, and J M Lazarus, and T B Strom, and C B Carpenter, and J P Merrill

A protocol was designed to alter mean time average serum concentrations of "middle" (B12) and "small" (urea) molecules. Serum before and after studies was tested for its effect on the blastogenic response to PHA. From this study we have concluded that: 1. Serum of patients on hemodialysis inhibits the mitogenic response of normal lymphocytes to PHA when compared to normal sera. 2. This phenomenon is not responsive to pertubations in dialysis designed to alter the concentration of ""middle'' and ""small'' molecules. 3. The inverse correlation between PHA response and serum PO4 and likewise the inverse correlation with changes in bone X-rays suggest that PTH, fragments thereof, or other factors related to bone and calcium metabolism, could conceivably be involved. This could mediated via cyclic AMP.

UI MeSH Term Description Entries
D008213 Lymphocyte Activation Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION. Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010710 Phosphates Inorganic salts of phosphoric acid. Inorganic Phosphate,Phosphates, Inorganic,Inorganic Phosphates,Orthophosphate,Phosphate,Phosphate, Inorganic
D003404 Creatinine Creatinine Sulfate Salt,Krebiozen,Salt, Creatinine Sulfate,Sulfate Salt, Creatinine
D005260 Female Females
D006435 Renal Dialysis Therapy for the insufficient cleansing of the BLOOD by the kidneys based on dialysis and including hemodialysis, PERITONEAL DIALYSIS, and HEMODIAFILTRATION. Dialysis, Extracorporeal,Dialysis, Renal,Extracorporeal Dialysis,Hemodialysis,Dialyses, Extracorporeal,Dialyses, Renal,Extracorporeal Dialyses,Hemodialyses,Renal Dialyses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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