IN), resuspended in Avermectin B1aMedChemExpress Avermectin B1a phosphate buffered saline (PBS), and placed on ice. Athymic nude mice (aged 8?2 weeks) acquired from National Cancer Institute or Harlan Laboratories were anesthetized with 2, 2, 2- tribromoethanol (Sigma-Aldrich, St. Louis, MO) 250 mg/kg by IP injection. After cleansing of the anterior neck with betadine and isopropyl alcohol, trachea and thyroid were exposed by dissection through the skin and separation of the overlying submandibular glands. With the visualization aid of a BQ-123 manufacturer dissecting microscope, 500,000 cells suspended in 5 L of PBS were injected into the right thyroid lobe using a Hamilton syringe (Hamilton Company, Reno, NV), as previously described [1, 23, 33, 29, 8, 44]. The retracted submandibular glands were returned to their normal positions, and the neck incisions were reapproximated and secured with staples to facilitate healing by primary intention. Mice were monitored until recovery from anesthesia was achieved, and post-procedural analgesia with 2 mg/mL acetaminophen in the drinking water was provided. Staples were removed 7?14 days after surgery. This procedure was performed under a protocol approved by the University of Colorado Institutional Animal Care and Use Committee. One experiment per cell line was performed with the exception of BCPAP (3 experiments) and K1/GLAG-66 (2 experiments). Total mouse numbers from the sum of these experiments are listed in Table 1. The duration of experiments was variable due to planned experimental endpoints, lack of tumor establishment, or animal illness. Experiment duration in days is listed in Table 1. In 2 of 2 K1/GLAG-66, 1of 1 8505C, and 1 of 3 BCPAP experiments, the mice included in this data set were vehicle controls for drug treatment studies. For these studies, mice were gavaged five days per week starting on day 10 after injection with either 5 Gelucire 44/14 in saline (8505C and BCPAP) or 0.5 hydroxypropyl methylcellulose with 0.1 polysorbate (K1/GLAG-66). Experimental animals treated with active drug have been excluded from this report. Tumor establishment and monitoring was analyzed using the Xenogen IVIS 200 imaging system in the UCCC Small Animal Imaging Core (see below). At time of sacrifice, thyroid tumor and lungs were collected, fixed in 10 formalin, and paraffin-embedded. Hematoxylin and eosin (H E) staining of tumor sections was performed using a standard protocol [7], and images were interpreted by a pathologist. Thyroid tumors were measured with calipers and volume was calculated using the formula (length x width x height) x /6. IVIS imaging and ex vivo imaging Mice were injected with 3 mg D-luciferin in 200 L and then anesthetized with isoflurane. For orthotopic experiments, mice were imaged ventrally with the Xenogen IVIS 200 imaging system, and for intracardiac injection experiments, both dorsal and ventral images were obtained. Bioluminescence activity in photons/second was measured using the Living Image software (PerkinElmer, Inc., Waltham, MA). For the intracardiac metastasis modelHorm Cancer. Author manuscript; available in PMC 2016 June 01.Author Manuscript Author Manuscript Author Manuscript Author ManuscriptMorrison et al.Pageexperiments, the sum of ventral and dorsal measurements was used for analysis, as previously described [8]. For ex vivo imaging, mice were injected with D-luciferin as above, euthanized by isoflurane inhalation and cervical dislocation, and dissected. Tissues were rinsed with saline, placed in a 6-well ce.IN), resuspended in phosphate buffered saline (PBS), and placed on ice. Athymic nude mice (aged 8?2 weeks) acquired from National Cancer Institute or Harlan Laboratories were anesthetized with 2, 2, 2- tribromoethanol (Sigma-Aldrich, St. Louis, MO) 250 mg/kg by IP injection. After cleansing of the anterior neck with betadine and isopropyl alcohol, trachea and thyroid were exposed by dissection through the skin and separation of the overlying submandibular glands. With the visualization aid of a dissecting microscope, 500,000 cells suspended in 5 L of PBS were injected into the right thyroid lobe using a Hamilton syringe (Hamilton Company, Reno, NV), as previously described [1, 23, 33, 29, 8, 44]. The retracted submandibular glands were returned to their normal positions, and the neck incisions were reapproximated and secured with staples to facilitate healing by primary intention. Mice were monitored until recovery from anesthesia was achieved, and post-procedural analgesia with 2 mg/mL acetaminophen in the drinking water was provided. Staples were removed 7?14 days after surgery. This procedure was performed under a protocol approved by the University of Colorado Institutional Animal Care and Use Committee. One experiment per cell line was performed with the exception of BCPAP (3 experiments) and K1/GLAG-66 (2 experiments). Total mouse numbers from the sum of these experiments are listed in Table 1. The duration of experiments was variable due to planned experimental endpoints, lack of tumor establishment, or animal illness. Experiment duration in days is listed in Table 1. In 2 of 2 K1/GLAG-66, 1of 1 8505C, and 1 of 3 BCPAP experiments, the mice included in this data set were vehicle controls for drug treatment studies. For these studies, mice were gavaged five days per week starting on day 10 after injection with either 5 Gelucire 44/14 in saline (8505C and BCPAP) or 0.5 hydroxypropyl methylcellulose with 0.1 polysorbate (K1/GLAG-66). Experimental animals treated with active drug have been excluded from this report. Tumor establishment and monitoring was analyzed using the Xenogen IVIS 200 imaging system in the UCCC Small Animal Imaging Core (see below). At time of sacrifice, thyroid tumor and lungs were collected, fixed in 10 formalin, and paraffin-embedded. Hematoxylin and eosin (H E) staining of tumor sections was performed using a standard protocol [7], and images were interpreted by a pathologist. Thyroid tumors were measured with calipers and volume was calculated using the formula (length x width x height) x /6. IVIS imaging and ex vivo imaging Mice were injected with 3 mg D-luciferin in 200 L and then anesthetized with isoflurane. For orthotopic experiments, mice were imaged ventrally with the Xenogen IVIS 200 imaging system, and for intracardiac injection experiments, both dorsal and ventral images were obtained. Bioluminescence activity in photons/second was measured using the Living Image software (PerkinElmer, Inc., Waltham, MA). For the intracardiac metastasis modelHorm Cancer. Author manuscript; available in PMC 2016 June 01.Author Manuscript Author Manuscript Author Manuscript Author ManuscriptMorrison et al.Pageexperiments, the sum of ventral and dorsal measurements was used for analysis, as previously described [8]. For ex vivo imaging, mice were injected with D-luciferin as above, euthanized by isoflurane inhalation and cervical dislocation, and dissected. Tissues were rinsed with saline, placed in a 6-well ce.
