Rapamycin (Sirolimus)

Modify Date: 2024-01-02 07:03:18

Rapamycin (Sirolimus) structure	Common Name	Rapamycin (Sirolimus)
	CAS Number	53123-88-9	Molecular Weight	914.172
	Density	1.2±0.1 g/cm3	Boiling Point	973.0±75.0 °C at 760 mmHg
	Molecular Formula	C₅₁H₇₉NO₁₃	Melting Point	183-185°C
	MSDS	Chinese USA	Flash Point	542.3±37.1 °C
	Symbol	GHS02, GHS07	Signal Word	Danger

Use of Rapamycin (Sirolimus)

Rapamycin (Sirolimus) is a potent and specific mTOR inhibitor with an IC50 of 0.1 nM.

Name	sirolimus
Synonym	More Synonyms

Description	Rapamycin (Sirolimus) is a potent and specific mTOR inhibitor with an IC50 of 0.1 nM.
Related Catalog	Signaling Pathways >> Autophagy >> Autophagy Signaling Pathways >> PI3K/Akt/mTOR >> mTOR Research Areas >> Cancer Natural Products >> Others
Target	mTOR:0.1 nM (IC50) Autophagy
In Vitro	Rapamycin inhibits endogenous mTOR activity in HEK293 cells with IC50 of 0.1 nM, more potently than iRap and AP21967 with IC50 of 5 nM and 10 nM, respectively[1]. Rapamycin exerts its antitumor effect on malignant glioma cells by inducing autophagy and suggest that in malignant glioma cells a disruption of the PI3K/Akt signaling pathway could greatly enhance the effectiveness of mTOR inhibitors. Rapamycin inhibits cell viability in all three cell lines in a dose-dependent manner, but their sensitivities varied. The IC50 levels of T98G, U87-MG, and U373-MG cells are 2 nM, 1 μM, and >25 μM, respectively[3].
In Vivo	Treatment with Rapamycin (i.p, 1.5 mg/kg) almost completely prevents the hypertrophic increases in plantaris muscle weight and fibre size at 7 and 14 days[4]. WT or LS/+ mice are treated daily Rapamycin (2 mg/kg body weight i.p.) for 4 weeks, follows by an additional 4 weeks of weekly injections of the same dose. There is significant reversal of the abnormal fetal gene expression profile of hearts from Rapamycin-treated LS/+ mice[5].
Kinase Assay	HEK293 cells are plated at 2-2.5×105 cells per well of a 12-well plate and serum-starved for 24 h in DMEM only. Cells are mock-treated or treated with Rapamycin (0.05-50 nM), iRap (0.5-500 nM), or AP21967 (0.5-500 nM) for 15 minutes at 37°C. Serum is added to a final concentration of 20% for 30 minutes at 37°C. Cells are lysed and cell lysates are separated by SDS-PAGE. Resolved proteins are transferred to a PVDF membrane and immunoblotted with a phosphospecific primary antibody against Thr389 of p70 S6 kinase. Data are analyzed using ImageQuant and KaleidaGraph[1].
Cell Assay	HL-60, NB4, U937, KG-1, and K562 cells are passaged routinely in RPMI-1640 supplemented with 10% heat- inactivated FBS, 2 mM L-glutamine, 50 U/mL penicillin and 50 μg/mL streptomycin in a 5% CO2 humidified atmosphere at 37°C. For the experiments, exponentially growing cells are harvested by centrifugation, and resuspended in fresh medium containing 10% FBS. The cells are seeded at an initial cell density of 2×105/mL in BD Falcon six-well plates in the presence of various concentrations of DMSO or 1 μM ATRA. Rapamycin (20 nM) is added 20 min prior to the differentiation agents. At day 2, 0.3 mL of fresh medium is added to each well. The viable cells are determined by trypan blue exclusion and quantified using a hemocytometer[2].
Animal Admin	Rats[4] Female Sprague-Dawley rats (250-275 g), the adult female SD rats (225-250 g) are randomized to treatment or vehicle groups so that the mean starting body weights of each group are equal. Drug treatment began on the day of surgery or on the first day of reloading after the 14-day suspension. Rapamycin is delivered once daily by intraperitoneal injection at a dose of 1.5 mg/kg, dissolved in 2% carboxymethylcellulose. CsA is delivered once daily by subcutaneous injection at a dose of 15 mg/kg, dissolved in 10% methanol and olive oil. FK506 is delivered once daily via subcutaneous injection at a dose of 3 mg/kg, dissolved in 10% ethanol, 10% cremophor and saline. Mice[5] Rapamycin is dissolved in ethanol at a concentration of 20 mg/mL, filter sterilized, resuspended in vehicle (0.25% PEG, 0.25% Tween-80) at a concentration of 1 mg/mL, and injected i.p. (2 mg/kg body weight), either daily for 4 weeks or daily for 4 weeks followed by weekly injections for an additional 4 weeks. Injections began at either 8 weeks (prior to onset of hypertrophy) or 12 weeks (after established hypertrophy is indicated) of age, and mice are assessed after 4 weeks of treatment or after 8 weeks of treatment, as detailed in the Results and figure legends. As controls, WT and LS/+ mice are treated with vehicle alone.
References	[1]. Edwards SR, et al. The rapamycin-binding domain of the protein kinase mammalian target of rapamycin is a destabilizing domain. J Biol Chem, 2007, 282(18), 13395-13401. [2]. Lalic H, et al. Rapamycin enhances dimethyl sulfoxide-mediated growth arrest in human myelogenous leukemia cells. Leuk Lymphoma. 2012 Nov;53(11):2253-61. [3]. Takeuchi H, et al. Synergistic augmentation of rapamycin-induced autophagy in malignant glioma cells by phosphatidylinositol 3-kinase/protein kinase B inhibitors. Cancer Res, 2005, 65(8), 3336-3346. [4]. Bodine SC, et al. Akt/mTOR pathway is a crucial regulator of skeletal muscle hypertrophy and can prevent muscle atrophy in vivo. Nat Cell Biol, 2001, 3(11), 1014-1019. [5]. Marin TM, et al. Rapamycin reverses hypertrophic cardiomyopathy in a mouse model of LEOPARD syndrome-associatedPTPN11 mutation. J Clin Invest. 2011 Mar;121(3):1026-43.

Density	1.2±0.1 g/cm3
Boiling Point	973.0±75.0 °C at 760 mmHg
Melting Point	183-185°C
Molecular Formula	C₅₁H₇₉NO₁₃
Molecular Weight	914.172
Flash Point	542.3±37.1 °C
Exact Mass	913.555115
PSA	195.43000
LogP	3.54
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.551
Storage condition	-20°C

Rapamycin (Sirolimus) MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VE6250000

CHEMICAL NAME :: Rapamycin

CAS REGISTRY NUMBER :: 53123-88-9

LAST UPDATED :: 199509

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C51-H79-N-O13

MOLECULAR WEIGHT :: 914.31

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 18220 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 597 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 21 mg/kg/14D-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - renal function tests depressed Kidney, Ureter, Bladder - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain

MUTATION DATA

TYPE OF TEST :: Mutation test systems - not otherwise specified

TEST SYSTEM :: Rodent - mouse Leukocyte

DOSE/DURATION :: 1 mmol/L

REFERENCE :: PAACA3 Proceedings of the American Association for Cancer Research. (Waverly Press, 428 E. Preston St., Baltimore, MD 21202) V.1- 1954- Volume(issue)/page/year: 24,321,1983

Symbol	GHS02, GHS07
Signal Word	Danger
Hazard Statements	H225-H302 + H312 + H332-H319
Precautionary Statements	P210-P280-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/38
Safety Phrases	S22-S24/25
RIDADR	UN 1648 3 / PGII
RTECS	VE6250000
HS Code	2942000000

Precursor 4
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HS Code	2942000000

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EINECS 262-640-9

RAPA

Rapamycin

RPM

RAPAMUNE

MFCD00867594

Sirolimus

Rapamicin

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Rapamycin (Sirolimus)

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