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Biomedical subjects

K Rajeshwari

Publications and source records attributed to K Rajeshwari.

At least 19 recordsLinked to original sources

Antiidiotypic antibody to gonadotropin releasing hormone as probe for cell surface receptors.

Monoclonal antibodies were raised to the idiotype of a gonadotropin releasing hormone (GnRH) specific antibody, one of which was found to bind specifically to GnRH receptors present on pituitary gonadotrophs, placental syncytiotrophoblasts and testicular Leydig cells. These observations were confirmed by Western and ligand blotting as well as by the ability of the antibody to induce an increase in intracellular Ca++ in a mouse gonadotroph cell-line viz., alpha T3-1.

Aged

Tuberculin test.

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Adolescent

Nimesulide.

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Age Factors

Establishment of immunological probes to study human gonadotropin-releasing hormone receptors.

Monoclonal antibodies were raised to a synthetic peptide corresponding to amino acids 1-29 of the human gonadotropin-releasing hormone (GnRH) receptor. One of the two antibodies was found to recognise GnRH receptors on human pituitary gonadotrophs as determined by immunohistochemistry and supported by Western blotting. The antibody also bound to T47D human breast carcinoma cell line as determined by flow cytometric analysis.

Amino Acid Sequence

Cardiovascular effects of new water-soluble derivatives of forskolin.

A series of 6- and 7-aminoacyl derivatives of 7-deacetylforskolin was prepared to provide water-soluble derivatives of the potent cardioactive diterpenoid forskolin. The compounds were evaluated for positive inotropic and blood pressure lowering properties in pharmacological models. Several derivatives displayed potent positive inotropic activity in guinea pig atria (EC50 = 0.16-3.0 micrograms/mL). In the most active compounds, the amino moiety of the aminoacyl chain corresponded to a cyclic amine, and the acyl moiety to a C2-C4 alkanoyl group. In vivo biological evaluation led to the selection of 6-(piperidinoacetyl)-7-deacetylforskolin hydrochloride (49) as a candidate for clinical development.

Animals