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PubMed2001

Major histocompatibility complex class II polymorphisms in Macaca mulatta: factors influencing comprehensive genotyping of Macaca mulatta (Mamu)-DQA1 alleles by PCR-RFLP in archival samples.

In the last 5 years, HLA class II genotyping methods have been adapted for genotyping of class II loci in rhesus macaques. Since previously published typing protocols were used on samples that were collected and stored under ideal conditions, it was of interest to determine if these methods were adequate for genotyping a large collection of archival samples from which DNA had been isolated and stored under various conditions. Established macaque DQA1 typing protocols were modified to optimize the typing procedure and enhance the ability to successfully genotype DNA from samples that were of poor quality and/or quantity. Long-term storage of whole-blood buffy coats or stored DNA extracted from whole-blood buffy coats did not affect typing success; however, amplification and typing of DNA extracted from archival samples of plasma were difficult and resulted in a low success rate. This suggests that amplification and DQA1-genotyping of archival samples is possible with a modified protocol, but is influenced by the age and source of the sample, and to a lesser extent, the method used to extract DNA from sample substrates.

Animals↗
PubMed1984

Failure to produce axon reflex-sweating in the volar skin of Japanese monkey (Macaca fuscata) and crab-eating monkey (Macaca irus).

The functional properties of the sweat glands and their innervation in the volar skin of three Japanese monkeys and two crab-eating monkeys were investigated. The sweat glands responded to both cholinomimetic and adrenomimetic agents, the former being highly predominant in the sudorific effect. Spontaneous emotional sweating was strongly or completely inhibited by atropine at 10(-8)-10(-7) g/ml, but not by dihydroergotamine at 10(-5)-10(-4) g/ml. Axon reflex sweating could not be produced by nicotine at 10(-5)-10(-4) g/ml in all of primates tested. The nerve fibers surrounding the sweat glands were histochemically confirmed to contain both acetyl- and butyrylcholinesterase.

Acetylcholine↗
PubMed1987

An anatomical investigation on the muscles of the pelvic outlet in crab-eating monkey (Macaca irus) and Japanese monkey (Macaca fuscata) with special reference to their nerve supply.

For a fuller understanding of the nerve supply to the muscles of the pelvic outlet in man, 4 pelvic-halves of crab-eating monkeys and 6 pelvic-halves of Japanese monkeys were minutely dissected. 1) The composition of the pudendal plexus tends to be limited to 2 segments, S1 and S2. 2) If we consider the origin of the nerves, the pudendal plexus is divided into 2, the first or medial and the second or lateral parts. From the first part arise the pelvic splanchnic nerves, the nerve to the iliopubocaudalis and the nerve to the ischiocaudalis. From the second part the dorsal nerve of the penis or clitoris, the perineal nerve and the inferior rectal nerve originate. 3) A laminate arrangement exists among the 3 nerves from the first part at their origin; the pelvic splanchnic nerves are situated ventrally, and the nerve to the ischiocaudalis dorsally, with the nerve to the iliopubocaudalis in between. No obvious laminate arrangement exists among the 3 nerves from the second part. 4) The part of the iliopubocaudalis, contiguous with the rectal wall but without attaching to it, has no branches of supply from the perineal nerve and the inferior rectal nerve. 5) A detailed discussion of our findings in relation to man, is given below.

Animals↗