期刊
MOLECULAR AND CELLULAR ENDOCRINOLOGY
卷 463, 期 C, 页码 106-115出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mce.2017.07.028
关键词
GnRH; GPCR; NFAT; ERK; Mathematical modeling; Mutual information
资金
- MRC [93447]
- BBSRC [J014699]
- EPSRC [EP/N014391/1]
- MRC Biomedical Informatics Fellowship [MR/K021825/1]
- BBSRC [BB/S001255/1, BB/J014699/1] Funding Source: UKRI
- EPSRC [EP/N014391/1] Funding Source: UKRI
- MRC [G0901763, MR/K021826/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/S001255/1, BB/J014699/1] Funding Source: researchfish
- Engineering and Physical Sciences Research Council [EP/N014391/1] Funding Source: researchfish
- Medical Research Council [G0901763] Funding Source: researchfish
Gonadotropin-releasing hormone (GnRH) is a peptide hormone that mediates central control of reproduction, acting via G-protein coupled receptors that are primarily G(q) coupled and mediate GnRH effects on the synthesis and secretion of luteinizing hormone and follicle-stimulating hormone. A great deal is known about the GnRH receptor signaling network but GnRH is secreted in short pulses and much less is known about how gonadotropes decode this pulsatile signal. Similarly, single cell measures reveal considerable cell-cell heterogeneity in responses to GnRH but the impact of this variability on signaling is largely unknown. Ordinary differential equation-based mathematical models have been used to explore the decoding of pulse dynamics and information theory-derived statistical measures are increasingly used to address the influence of cell-cell variability on the amount of information transferred by signaling pathways. Here, we describe both approaches for GnRH signaling, with emphasis on novel insights gained from the information theoretic approach and on the fundamental question of why GnRH is secreted in pulses. (C) 2017 Published by Elsevier Ireland Ltd.
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