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Plastic embedding medium

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Plastic embedding medium is a type of laboratory equipment used in specimen preparation for electron microscopy. It serves as a support matrix to embed and preserve the structure of biological or non-biological samples, allowing for thin sectioning and subsequent observation under an electron microscope.

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2 protocols using plastic embedding medium

1

Immunofluorescence Staining of Stem Cells

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Antibodies to BMP2, SYCP3, MVH, γHis2A.X and MCM2 were obtained from Abcam (Cambridge, MA). Alexa-conjugated secondary antibodies were obtained from Invitrogen (Carlsbad, CA). Plastic embedding medium was obtained from Electron Microscopy Sciences (Hatfield, Pa). Tissue-Tek Optimal Cutting Temperature (OCT) compound was obtained from Sacura Finetek USA Inc. (Torrance, CA). Phenol red-free DMEM, linolenic acid, BSA, and fine chemicals were purchased from Sigma Chemical Company (St. Louis, MO). LDN 193,189 was purchased from Sigma Chemical Co. (St. Louis, MO). DMH1 was purchased from Tocris Bioscience (Bristol, UK). Human holo-transferrin was obtained from BD pharmaceuticals (San Jose, CA). Quantitative RT-PCR primers and probes were synthesized by Sigma Chemical Company. RNeasy mini kit and Taq DNA polymerase were from Qiagen, Inc. (Valencia, CA). The terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate nick-end labeling (TUNEL) kit was from Roche pharmaceuticals (Mannheim, Germany). All other molecular biology grade chemicals were obtained from Sigma Chemical Company or Fisher Scientific (Pittsburgh, PA).
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2

Ovarian Steroidogenesis Pathway Characterization

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Azaline B was a generous gift from Dr. Jean Rivier (The Salk Institute, San Diego, CA). Antibodies for CYP11a1, CYP17a1, CYP19a1 immunodetection and for progesterone (P) radioimmunoassay (RIA) were kindly provided by Dr. D. C. Johnson and Dr. Michael Soares (University of Kansas School of Medicine, Kansas City, KS); antibody for E RIA was a generous gift from Dr. K. Quadri (Kansas State University, Manhattan, KS), DyLight-conjugated second antibodies were from Jackson Immunoresearch Laboratories Inc. (West Grove, PA), plastic embedding medium was obtained from Electron Microscopy Sciences (Hatfield, PA), ovine-FSH-20 and ovine-LH-25, and FSH-RIA and LH-RIA kits were provided by Dr. A. Parlow, National Pituitary Hormone Program (Harbor UCLA Medical Center, CA), E and P were from Pharmacia-Upjohn Co. (Kalamazoo, MI), and Steraloids (Wilton, NH), respectively, quantitative RT-PCR primers and probes were synthesized in the Eppely DNA Synthesis Core Facility (University of Nebraska Medical Center, Omaha, NE), RNeasy mini kit and Taq DNA polymerase were from Qiagen, Inc. (Valencia, CA). All other molecular biology grade chemicals were obtained from Sigma Chemical Co. (St. Louis, MO), United States Biochemical (Cleveland, OH) or Fisher Scientific Corp. (Pittsburgh, PA).
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