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Differential effects of diazepam on anxiety in streptozotocin induced diabetic and non-diabetic rats (1998)

Ramanathan, M. ; Jaiswal, Arun K. ; Bhattacharya, S. K.

Springer

Psychopharmacology 135 (1998), S. 361-367

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ISSN: 1432-2072

Keywords: Key words Streptozotocin ; Experimental diabetes mellitus ; Anxiety ; Diazepam ; Brain monoamines ; Tribulin ; Rat

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract The anxiolytic activity of diazepam (DZP) (0.25–1 mg/kg) was investigated in streptozotocin (STZ)-induced diabetic adult Charles Foster albino rats of either sex. Diabetes was induced by injecting STZ IP (50 mg/kg; in citrate buffer, pH 4.5). Experiments were performed 72 h later. The rats were subjected to various anxiety paradigms, including the open-field exploratory behaviour, elevated plus maze and elevated zero maze behaviours and the social interaction tests. In addition, rat brain tribulin activity was also assessed as a biochemical marker of anxiety. The results indicate that diabetic rats showed significantly more anxiogenic activity in comparison to non-diabetic rats on open-field, elevated plus maze, zero maze and social interaction tests. In diabetic rats, brain tribulin activity (MAO-A inhibitory component) was significantly increased. DZP dose dependently produced anxiolytic activity on the various behavioural parameters in non-diabetic rats. DZP (0.5 and 1 mg/kg) partially reversed the anxiogenic behaviour of STZ diabetic rats in elevated plus maze and zero maze tests. However, in open field behaviour and social interaction tests significant anxiolytic activity was observed only at a higher dose of DZP (1 mg/kg). The findings indicate that STZ-induced diabetic rats exhibited augmented anxiety on various experimental paradigms and that the anxiolytic effect of diazepam was less marked in diabetic rats as compared to their euglycaemic counterparts.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s002130050523

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Structural Studies on Indium and Tin Thiobenzoates (1996)

Singh, P. ; Gupta, Vishnu D. ; Bhattacharya, S. ; [et al.]

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 129 (1996), S. 1093-1098

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ISSN: 0009-2940

Keywords: Indium tris(thiobenzoate) ; Triethylammonium tetrakis(thiobenzoato)indate ; Tin, butyl-, tris(thiobenzoate) ; Tin, dichloro-, bis(thiobenzoate) ; Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Indium(III) and tin(IV) thiocarboxylates were prepared and characterized on the basis of their IR, 13C- and 19Sn-NMR data. Indium tris(thiobenzoate) (1) decomposes into a sulfido complex In (S)[S(O)CPh] (2a). The corresponding tris(thioacetate) In[S(O)CMe]3 is thermally too unstable to be isolated. The anionic tetrakis complex [Et3NH]{In[S(O)CPh]4} (3) was characterized by X-ray crystallography which revealed a distorted tetrahedral coordination at the In atom. X-ray diffraction analysis of the complexes BuSn[S(O)CPh]3 (4) and Cl2Sn[S(O)CPh]2 (7) showed distorted tetrahedral and cis-octahedral structures, respectively.

Additional Material: 3 Ill.