5 citations
,
August 2005 in “Anatomy and Embryology” This study found that concentrated clusters of noradrenergic nerve fibers form a longitudinal linear system in rat skin, particularly innervating arrector pili muscles.
46 citations
,
December 2007 in “International Journal of Cardiology” This study found that patients with polycystic ovary syndrome have reduced heart rate recovery, an exaggerated systolic blood pressure response to exercise, and decreased heart rate variability, implying possible autonomic dysfunction.
61 citations
,
June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” This study found that light stimulation of intrinsically photosensitive retinal ganglion cells in the eyes can activate hair follicle stem cells through a neural circuit involving the sympathetic nervous system.
March 2025 in “Molecular Medicine” This study on C57BL/6 mice found that subcutaneous cholesterol injections significantly promoted hair regeneration by enhancing hair follicle stem cell proliferation, highlighting the role of the PKA-tyrosine hydroxylase-sympathetic nervous system pathway in this process.
June 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” This abstract provides logistical details about a research study on hair greying in RTX-injected mice but reports no specific findings or results.
