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smilagenin

Names

[ CAS No. ]:
126-18-1

[ Name ]:
smilagenin

[Synonym ]:
(25R)-5beta-spirostan-3beta-ol
ISOSARSAPOGENIN
(25R)-SPIROSTAN-3BETA-OL
SMILAGENIN
EINECS 204-775-8
(25R)-Spirostan-3.β.-ol
ESMILAGENIN
ISOSARSAPOGENINE
ISOSARSASAPOGENIN
MFCD00037845
25R,5BETA-SPIROSTAN-3BETA-OL

Biological Activity

[Description]:

Smilagenin (SMI) is a lipid-soluble small-molecule steroidal sapogenin from Rhizoma anemarrhenae and Radix asparagi widely used in traditional Chinese medicine for treating chronic neurodegeneration diseases[1]. Smilagenin (SMI) improves memory of aged rats by increasing the muscarinic receptor subtype 1 (M1)-receptor density[2].Smilagenin (SMI) attenuates Aβ(25-35)-induced neurodegenerationvia stimulating the gene expression of brain-derived neurotrophic factor, may represents a novel therapeutic strategy for AD[3].

[Related Catalog]:

Signaling Pathways >> Others >> Others
Research Areas >> Neurological Disease

[In Vitro]

Smilagenin (10 μM; 24 hours) increases SH-SY5Y cell survival compared with Aβ(25-35) intoxicated cells[3]. Smilagenin (10 μM; 24 hours) increases neurotrophic factor (GDNF) and neurotrophic factor (BDNF) mRNA level by promoting CREB phosphorylation in 1-methyl-4-phenylpyridimium (MPP+) treated SH-SY5Y cells[2]. Cell Viability Assay[3] Cell Line: SH-SY5Y cells Concentration: 10 μM Incubation Time: 24 hours Result: Elevated the SH-SY5Y cell viability. RT-PCR[2] Cell Line: SH-SY5Y cells Concentration: 10 μM Incubation Time: 24 hours Result: Increased GDNF and BDNF transcription.

[In Vivo]

Smilagenin (intragastric administration; 10 or 26 mg/kg, once daily; 60 days) prevents the impairment of dopaminergic neurons in chronic MPTP/probenecid-induced mouse model[2]. Animal Model: MPTP/probenecid-induced mouse model[2] Dosage: 10 or 26 mg/kg Administration: Intragastric administration; 10 or 26 mg/kg; once daily; 60 days Result: Ameliorated locomotor ability of MPTP/probenecid-lesioned mice.

[References]

[1]. He X, et al. Smilagenin Protects Dopaminergic Neurons in Chronic MPTP/Probenecid-Lesioned Parkinson's Disease Models. Front Cell Neurosci. 2019 Feb 5;13:18.

[2]. Hu Y, et al. Regulation of M1-receptor mRNA stability by smilagenin and its significance in improving memory of aged rats. Neurobiol Aging. 2010 Jun;31(6):1010-9.

[3]. Zhang R, et al. Smilagenin attenuates beta amyloid (25-35)-induced degeneration of neuronal cells via stimulating the gene expression of brain-derived neurotrophic factor. Neuroscience. 2012 May 17;210:275-85

Chemical & Physical Properties

[ Density]:
1.11g/cm3

[ Boiling Point ]:
516.6ºC at 760mmHg

[ Melting Point ]:
-185ºC

[ Molecular Formula ]:
C27H44O3

[ Molecular Weight ]:
416.63600

[ Flash Point ]:
266.2ºC

[ Exact Mass ]:
416.32900

[ PSA ]:
38.69000

[ LogP ]:
5.79380

[ Vapour Pressure ]:
7.83E-13mmHg at 25°C

[ Index of Refraction ]:
1.552

[ Storage condition ]:
2-8℃

Safety Information

[ WGK Germany ]:
3

Related Compounds