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Alopecia, hair loss abstracts ||
Am J Clin Nutr. 1979 Dec;32(12):2508-18.
Folacin deficiency and requirement in the squirrel monkey (Saimiri sciuresus).
Rasmussen KM, Thenen SW, Hayes KC.
Acute folacin deficiency was studied in eight young squirrel monkeys (Saimiri sciureus). Half of the animals were fed a semipurified deficient diet (no added folic acid) and half were fed a control diet (0.84 mg of added folic acid per kilogram of dry diet). Monkeys fed the deficient diet lost weight and suffered from diarrhea and dehydration leading to the death of one of the animals after 6 weeks. Folacin deficiency also was studied in six older animals fed diets containing varying levels of added folic acid. Monkeys fed diets containing 0.14 or 0.27 mg of added folic acid per kilogram of dry diet slowly developed alopecia, a scaly dermatitis, and a mild macrocytic anemia. When these animals were fed the deficient diet, they lost weight rapidly, the alopecia and dermatitis worsened, excretion of formiminoglutamic acid in the urine increased, and a severe megaloblastic anemia with profound intramedullary hemolysis developed. Deficient monkeys had low plasma and red blood cell folacin values but maintained normal plasma vitamin B12 values. Repletion of the animals fed the deficient diet with injections of folic acid reversed both the hematological and physical deterioration. The folacin requirement for maintenance of body weight in these animals was 28 micrograms of total folacin per kilogram of body weight per day. More than 75 micrograms of total folacin per kilogram of body weight/day may be needed to assure growth and normal hematological parameters and bone marrow cytology.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=116540&dopt=Abstract
Lab Anim Sci. 1979 Oct;29(5):661-5.
A spontaneous outbreak of polychlorinated biphenyl (PCB) toxicity in rhesus monkeys (Macaca mulatta): clinical observations.
Altman NH, New AE, McConnell EE, Ferrell TL.
A spontaneous, progressive disease occurred in a large domestic breeding colony of rhesus monkeys (Macaca mulatta). The disease was characterized by slow but continuous weight loss, alopecia, acne, facial edema, diarrhea and trauma from other monkeys. Breeding efficiency was impaired with a high incidence of abortions and stillbirths. Live offspring were small and unthrifty contributing to a high infant mortality rate. The cause of this disease was polychlorinated biphenyls (PCSs) which were present in the concrete sealant on the cage floors. Removing the sealant and resurfacing the floors alleviated the problem.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=117226&dopt=Abstract
Toxicology. 1979 Aug;13(3):263-73.
The dosing schedule dependent toxicities of adriamycin in beagle dogs and rhesus monkeys.
Gralla EJ, Fleischman RW, Luthra YK, Stadnicki SW.
The toxic effects of Adriamycin were studied following i.v. administration of from 10.0 mg/kg to 0.039 mg/kg (200--0.780 mg/m2) to beagle dogs, and from 5.83 mg/kg to 0.625 mg/kg (49.9--7.5 mg/m2) in rhesus monkeys by a variety of short and long term treatment schedules. 5 daily doses and 1 dose every 3 weeks were given for both species and, only in dogs, as single injections, 10 daily treatments and 5 daily doses followed by 9 days rest, repeated 3 times. In both species, short term administration of toxic doses caused weight losses, anorexia, diarrhea, atypical oesophageal and intestinal mucosa, bone marrow hypoplasia, lymphoid atrophy and alopecia. Specific adverse responses seen only in monkeys were hypocalcemia, hypomagnesemia, atypical buccal mucosa and reddish urinary pigmentation. Testicular degeneration and prostatic atrophy were produced in dogs. The triweekly treatment schedule caused an additional toxicity at lower doses. In both species a cardiotoxicity syndrome developed with pulmonary oedema and centrolobular hepatic necrosis, plus focal necrosis and vacuolization in cardiac myocytes. Clinical signs of cardiac dysfunction were EKG arrhythmias in dogs, and peripheral oedema, ascites and hydrothorax in monkeys.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=118548&dopt=Abstract
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