CAS 485-35-8|Cytisine

α4β2 nAChRs[1].

[1]. Pabreza LA, et al. [3H]cytisine binding to nicotinic cholinergic receptors in brain. Mol Pharmacol. 1991 Jan;39(1):9-12.

[2]. Grebenstein PE, et al. The effects of noncontingent and self-administered cytisine on body weight and meal patterns in male Sprague-Dawley rats. Pharmacol Biochem Behav. 2013 Sep;110:192-200.

[3]. Walker N, et al. Cytisine versus nicotine for smoking cessation. N Engl J Med. 2014 Dec 18;371(25):2353-62.

[4]. Yu L, et al. Cytisine induces endoplasmic reticulum stress caused by calcium overload in HepG2 cells. Oncol Rep. 2018 Mar;39(3):1475-1484.

CHEMICAL IDENTIFICATION

RTECS NUMBER :

HA4025000

CHEMICAL NAME :

Cytisine

CAS REGISTRY NUMBER :

485-35-8

BEILSTEIN REFERENCE NO. :

0083882

LAST UPDATED :

199709

DATA ITEMS CITED :

12

MOLECULAR FORMULA :

C11-H14-N2-O

MOLECULAR WEIGHT :

190.27

WISWESSER LINE NOTATION :

T C666 A GVN LM&TTJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

8750 ug/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 4(1),34,1941

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

101 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - rigidity (including catalepsy)

REFERENCE :

BJPCBM British Journal of Pharmacology. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.34- 1968- Volume(issue)/page/year: 35,161,1969

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

8550 ug/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

CTYAD8 Zhongcaoyao. Chinese Traditional and Herbal Medicine. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.11- 1980- Volume(issue)/page/year: 18,214,1987

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

11764 ug/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 4(1),34,1941

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1730 ug/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - rigidity (including catalepsy)

REFERENCE :

BJPCBM British Journal of Pharmacology. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.34- 1968- Volume(issue)/page/year: 35,161,1969

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

16 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948 Volume(issue)/page/year: -,589,1948

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Mammal - cat

DOSE/DURATION :

400 ug/kg

TOXIC EFFECTS :

Behavioral - muscle contraction or spasticity

REFERENCE :

ITOBAO Izvestiya Akademii Nauk Tadzhikskoi SSR, Otdelenie Biologicheskikh Nauk. Proceedings of the Academy of Sciences of the Tadzhik SSR, Department of Biological Sciences. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) No.1- 1962- Volume(issue)/page/year: (2),104,1978

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

5 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 4(1),34,1941

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

40 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948 Volume(issue)/page/year: -,589,1948 *** REVIEWS *** TOXICOLOGY REVIEW CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 12,1,1978 TOXICOLOGY REVIEW PISDDJ Pacific Information Service on Street Drugs. (J.K. Brown, School of Pharmacy, Univ. of the Pacific, Stockton, CA 95211) V.1- 1972(?)- Volume(issue)/page/year: 5(3-6),-,1977

Pharmacol. Biochem. Behav. 130 , 1-8, (2015)

The role of neuronal nicotinic acetylcholine receptors (nAChR) containing the β4 subunit in tolerance development and nicotinic binding site levels following chronic nicotine treatment was investigate...

Drug Test. Anal. , doi:10.1002/dta.1707, (2014)

Cytisine, an α4 β2 nicotinic receptor partial agonist, is a plant alkaloid that is commercially extracted for use as a smoking cessation medication. Despite its long history of use, there is very litt...

J. Med. Chem. 49 , 2673-2676, (2006)

We report the synthesis and pharmacological properties of several cytisine derivatives. Among them, two 10-substituted derivatives showed much higher selectivities for the alpha4beta2 nAChR subtype in...