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Biomedical subjects

R C Hankin

Publications and source records attributed to R C Hankin.

4 recordsLinked to original sources

Nonhuman primate bites.

Nonhuman primate (monkey) bites to researchers and attending animal care staff may present problems in patient management. Such inoculations can transmit serious bacterial and viral infections to the human handlers. Significant local and systemic manifestations can subsequently develop following such an injury. Since Herpesvirus simiae (B virus) is enzootic in Asiatic monkeys of the genus Macaca, and since B virus infection in humans is usually fatal, additional prophylactic and therapeutic measures must be taken when persons are bitten by macaque monkeys. Primate bites require early aggressive intervention.

Acyclovir

Detection of messenger RNA in routinely processed tissue sections with biotinylated oligonucleotide probes.

In situ hybridization (ISH) with a radioactively 35S-labeled probe and a biotinylated oligonucleotide probe for human calcitonin was used to analyze eight cases of medullary thyroid carcinoma (MTC) in paraffin sections. Three of these cases were also studied with frozen tissue sections. The biotinylated probe readily detected calcitonin messenger RNA (mRNA) in routinely processed formalin-fixed paraffin-embedded tissue section within 24 hours. Northern hybridization and other control studies demonstrated the specificity of the calcitonin probe. Biotinylated oligonucleotide probes for other mRNAs present in high abundance such as adrenocorticotroipic hormone (ACTH), prolactin, and growth hormone also detected the respective mRNAs in pituitary tissues. These result show that biotinylated oligonucleotide cDNA probes can be used to detect specific mRNAs present in large amounts in some endocrine cells and tumors by ISH. This approach offers an alternative that does not require the use of molecular cloning or radioactive probes for this investigative and diagnostic technique.

Biotin

Malignant fibrous histiocytoma involving a digit.

A case of malignant fibrous histiocytoma (MFH) involving phalanges of a single digit is reported. MFH of the bones of the hand has not previously been reported. Ten years after wide local excision, the patient remains clinically free of disease.

Adult