Free shipping — the threshold depends on the destination country, confirmed at checkout.

    Research Use Only (RUO). For laboratory research only. Not for human or veterinary use.

    GH-axis research6 min read5 January 2026GH-axis and laboratory models

    HGH / Somatropin: what growth hormone is

    RUO literature overview of Somatropin / HGH, GH-axis receptor signalling and laboratory markers in research models.

    This article is informational and research-focused. It is not a practical instruction, application procedure or product recommendation.

    Classification

    In the literature, Somatropin (recombinant Human Growth Hormone, rHGH) is classified as a 191-amino-acid hormone analogue with mapped binding to the GHR receptor. The presentation is RUO and concerns laboratory GH-axis models.

    Markers and receptor signalling

    The literature discusses it in relation to GHR, JAK2/STAT5, MAPK and PI3K/Akt signalling pathways, and to GH/IGF-1 axis markers in laboratory models. The reading concerns receptor mapping and hormonal classification, not outcome claims.

    Thematic mapping

    Related research categories: the GH-axis literature framework, GHR receptor signalling, and laboratory markers of hormonal classification in research models.

    RUO note

    This article is an informational overview of the literature classification of RUO materials. It provides no directions for use, application amounts, protocols or outcome claims. For laboratory research use only. Not for human or veterinary use.

    somatropinHGHGHRGH-axisRUOclassification

    Products named in this article

    RUO note: This article is informational and research-focused. It is not a practical instruction, application procedure or product recommendation. Mentioned products are intended exclusively for laboratory research. Not for human or veterinary use.