Biomaterial Database

Effect of thymectomy on zoxazolamine paralysis and metabolism in untreated and (PCN) pregnenolone-16alpha-carbonitril- or ACTH-pretreated rats. 1975

S Szabo, and P Kourounakis, and B D Garg, and O M Silva

The effect of thymectomy on zoxazolamine paralysis and metabolism was investigated in young female untreated and PCN- or ACTH-pretreated rats. Thymectomy performed at least 24 hr before injection of zoxazolamine significantly prolonges paralysis time. Pretreatment with PCN (an inducer of hepatic microsomal enzymes) or ACTH (known to alter protein binding and excretion of zoxazolamine) shortened paralysis in thymectomized animals; but only in comparison to thymus ablated controls. The surgical intervention seemed to decrease the metabolism of zoxazolamine in the 9,000g supernatant fraction of the liver.

UI	MeSH Term	Description	Entries
D008099	Liver	A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances.	Livers
D010243	Paralysis	A general term most often used to describe severe or complete loss of muscle strength due to motor system disease from the level of the cerebral cortex to the muscle fiber. This term may also occasionally refer to a loss of sensory function. (From Adams et al., Principles of Neurology, 6th ed, p45)	Palsy,Plegia,Todd Paralysis,Todd's Paralysis,Palsies,Paralyses,Paralysis, Todd,Paralysis, Todd's,Plegias,Todds Paralysis
D011285	Pregnenolone Carbonitrile	A catatoxic steroid and microsomal enzyme inducer having significant effects on the induction of cytochrome P450. It has also demonstrated the potential for protective capability against acetaminophen-induced liver damage.	PCN,Pregnenolone 16 alpha-Carbonitrile,Pregnenolone Carbonitrile, (3 beta)-Isomer,Pregnenolone Carbonitrile, (3 beta,16 beta)-Isomer,16 alpha-Carbonitrile, Pregnenolone,Carbonitrile, Pregnenolone,Pregnenolone 16 alpha Carbonitrile
D005260	Female		Females
D000324	Adrenocorticotropic Hormone	An anterior pituitary hormone that stimulates the ADRENAL CORTEX and its production of CORTICOSTEROIDS. ACTH is a 39-amino acid polypeptide of which the N-terminal 24-amino acid segment is identical in all species and contains the adrenocorticotrophic activity. Upon further tissue-specific processing, ACTH can yield ALPHA-MSH and corticotrophin-like intermediate lobe peptide (CLIP).	ACTH,Adrenocorticotropin,Corticotropin,1-39 ACTH,ACTH (1-39),Adrenocorticotrophic Hormone,Corticotrophin,Corticotrophin (1-39),Corticotropin (1-39),Hormone, Adrenocorticotrophic,Hormone, Adrenocorticotropic
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D013934	Thymectomy	Surgical removal of the thymus gland. (Dorland, 28th ed)	Thymectomies
D013950	Thymus Gland	A single, unpaired primary lymphoid organ situated in the MEDIASTINUM, extending superiorly into the neck to the lower edge of the THYROID GLAND and inferiorly to the fourth costal cartilage. It is necessary for normal development of immunologic function early in life. By puberty, it begins to involute and much of the tissue is replaced by fat.	Thymus,Gland, Thymus,Glands, Thymus,Thymus Glands
D013997	Time Factors	Elements of limited time intervals, contributing to particular results or situations.	Time Series,Factor, Time,Time Factor
D015049	Zoxazolamine	A uricosuric and muscle relaxant. Zoxazolamine acts centrally as a muscle relaxant, but the mechanism of its action is not understood.