Human myometrium and leiomyomas express gonadotropin-releasing hormone 2 and gonadotropin-releasing hormone 2 receptor Jason D. Parker, D.O., Minnie.

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Human myometrium and leiomyomas express gonadotropin-releasing hormone 2 and gonadotropin-releasing hormone 2 receptor Jason D. Parker, D.O., Minnie Malik, Ph.D., William H. Catherino, M.D., Ph.D. Fertility and Sterility Volume 88, Issue 1, Pages 39-46 (July 2007) DOI: 10.1016/j.fertnstert.2006.11.098 Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

FIGURE 1 Cluster analysis of microarray studies. Far left, gross analysis demonstrated significant molecular differences between leiomyoma and patient-matched myometrium. Analysis of gene ontology through chromosome analysis demonstrated consistent alterations in GnRH-related gene clusters. GnRH-associated genes identified are listed on the right. Parker. Human leiomyoma express GnRH2 and GnRHR2. Fertil Steril 2007. Fertility and Sterility 2007 88, 39-46DOI: (10.1016/j.fertnstert.2006.11.098) Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

FIGURE 2 Reverse-transcriptase polymerase chain reaction (RT-PCR) for myometrium versus fibroid samples. Representative experiments are shown. Samples of myometrium and fibroid for eight patients were analyzed. Molecular marker (DNA molecular size standard, lane 1) and no template control (lane 2) were included on the left. GAPDH was used as an internal positive control. Parker. Human leiomyoma express GnRH2 and GnRHR2. Fertil Steril 2007. Fertility and Sterility 2007 88, 39-46DOI: (10.1016/j.fertnstert.2006.11.098) Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

FIGURE 3 Representative real-time RT-PCR experiment. All eight patients were evaluated. The x-axis depicts the thermal cycle number while the y-axis represents luminescence (ΔRn). The cycle at which exponential luminescence is achieved is dependent on the starting number of mRNAs for the gene in question. For GnRH2 and GnRHR2, the red lines represent fibroid and the blue lines represent myometrium. All experiments were performed in triplicate. Parker. Human leiomyoma express GnRH2 and GnRHR2. Fertil Steril 2007. Fertility and Sterility 2007 88, 39-46DOI: (10.1016/j.fertnstert.2006.11.098) Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

FIGURE 4 Light microscopy of myometrium and leiomyoma at low and high magnification. Hematoxylin and eosin staining on the left, and immunohistochemical stain for GnRH2 antibody on the right. The arrow indicates intracytoplasmic granules of concentrated GnRH2. GnRH2 antibody concentration was 1:2,000. Magnification = 63× (above) and 100× (below). Parker. Human leiomyoma express GnRH2 and GnRHR2. Fertil Steril 2007. Fertility and Sterility 2007 88, 39-46DOI: (10.1016/j.fertnstert.2006.11.098) Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions