THE REPRODUCTIVE ENDOCRINE RESEARCH LABORATORY, UNDER THE DIRECTION OF FRANK Z. STANCZYK, PH.D. AT THE UNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE, PROVIDES A SERVICE FOR MEASUREMENT OF THE FOLLOWING ANALYTES IN SERUM OR PLASMA BY RIA OR ELISA: STEROID, PEPTIDE AND PROTEIN HORMONES, CONTRACEPTIVE STEROIDS (LEVONORGESTREL, NORETHINDRONE, MEDROXYPROGESTERONE ACETATE, ETHINYL ESTRADIOL), GROWTH FACTORS AND THEIR BINDING PROTEINS, CYTOKINES (INCLUDING ADIPOCYTOKINES), AND INFLAMMATORY MARKERS. THE RIAs FOR STEROID HORMONES INCLUDE PRECEDING PURIFICATION STEPS (ORGANIC SOLVENT EXTRACTION/CELITE COLUMN PARTITION CHROMATOGRAPHY).  ALSO, SEX STEROID HORMONES CAN BE MEASURED IN TISSUES, SPECIFICALLY THE BREAST, PROSTATE, ENDOMETRIUM AND BRAIN.  ALL OF OUR ASSAYS HAVE BEEN WELL VALIDATED AND EACH ASSAY IS MONITORED CAREFULLY WITH QUALITY CONTROL SAMPLES.  THESE ASSAYS HAVE BEEN USED TO GENERATE DATA FOR STUDIES THAT HAVE BEEN PUBLISHED IN NUMEROUS PEER-REVIEW JOURNALS.  ACADEMIC PRICING  IS USED FOR ASSAY COSTS.  FOR FURTHER INFORMATION REGARDING TYPES OF ASSAYS AVAILABLE AND COST PER SAMPLE, PLEASE CONTACT STAN PATEL BY PHONE (323-224-5590) OR EMAIL (SKPATEL@USC.EDU).