The fiber spectrum of the cat VI nerve to the lateral rectus and retractor bulbi muscles

Zusammenfassung Das Faserspektrum des VI Hirnnerven der Katze wurde an 3 Stellen bestimmt: Austrittsstelle aus dem Pons, Verzweigungsstelle zum M. rectus lateralis und zum M. retractor bulbi. Wenigstens 3 verschiedene Typen motorischer Fasern wurden ermittelt: 1. grosse, dick myelinisierte, 2. kleine, dünn myelinisierte, 3. kleine, dick myelinisierte. Die Verzweigungsstelle zum M. retractor bulbi besteht hauptsächlich aus dem 1. Fasertyp.

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This investigation was supported by Public Health Service Program Project Research Grant No. NB 06038, General Research Support Grant No. 5 SO1 FR-05566, and Research Career Program Award No. K3-NB-14,094 to Dr.Bach-y-Rita from the National Institute of neurological Diseases and Blindness.     

Cytology of experimental teratomas and teratocarcinomas

Zusammenfassung Von bei Mäusen erzeugten Teratomen und Teratocarcinomen entstehen in der Hälfte der Fälle ungefähr gleich häufig bösartige wie gutartige Mischtumoren. Bei der Punktion und der nachfolgenden cytologischen Untersuchung war es jedoch nicht möglich, aus den Abstrichen maligne und benigne Tumoren zu trennen.

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This work was supported by grants from the Yugoslav federal science Foundation No. 813/3 and the council for Scientific Affairs of SR Croatia, NIH PL 480 Research Agreement No. 02-038-1 and No. CA-10815 from the National Cancer Institute. One of us (DS) was supported by a Damon Runyon Cancer Research Fellowship.     

Elevated kidney glucosyltransferase activity in genetic prediabetic mice

Summary Glucosyltransferase activity in the renal cortex of genetic diabetic KK mice was significantly increased at 40 days of age when compared to that of Swiss albino and F₁ hybrid mice. This increase in enzyme activity in the absence of glucose intolerance can be regarded as an earlier genetic marker for the diagnosis of diabetic microangiopathy.Acknowledgments. This research was supported in part by the General Research Support Grant No. RR-05398 from the General Research Support Branch, Division of Research Resources, National Institutes of Health, National Institutes of Health Training Grant No. 5-T01-AM-05617-06, Hope for Diabetics Foundation, Inc., and Pfizer Research Laboratories. Dr.R. A. Camerini-Davalos was a Career Scientist of the Health Research Council of the City of New York, and Drs.A. S. Reddi andC.A. Velasco were N. I. H. Trainees in Diabetes Mellitus during part of this study.     

Epstein-barr virus and inflammatory bowel disease

Zusammenfassung Die Häufigkeit und der Antikörpertiter gegen Epstein-Barr-Virus (EBV) wurde in Patienten mit Ulkus-Colitis und Crohn's Krankheit, eine granulomatische Abnormalität ähnlich zur Sarkoidose untersucht und normale Häufigkeit und Antikörpertiter gegen EBV bei ihnen gefunden.

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Supported by Research Contract No. NIH-69-2078 within the Special Virus Cancer Program of the National Cancer Institute, National Institutes of Health, USPHS, National Institutes of Health Grant No. AM 05126 and the National Foundation for Ileitis and Colitis, Inc., New York, New York.

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Dr.Grotsky is a recipient of a National Institutes of Health Graduate Training Grant in Gastroenterology, No. Am 05126.

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Dr.Hirshaut is a recipient of a National Cancer Institute Grant No. CA 08748 an a grant from the New York Cancer Research Institute.

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Dr.Glade is a recipient of a Research Career Development Award No. A1-46371 of the USPHS.     

The influence of long term estrogen treatment on plasma prolactin levels induced by ether anesthesia in ovariectomized rats

Summary 2 methods of continuous estrogen delivery, polyestradiol phosphate injection and implantation of Silastic capsules of estradiol-17 , in ovariectomized rats induced increases in plasma prolactin in the afternoon (15.00–17.00) beginning at 1 week and continuing for 4–8 weeks. In addition these methods of estrogen treatment potentiated the ether-induced increase in plasma prolactin in the morning (9.00–11.00) beginning on week 2 and continuing for 3–8 weeks. These results indicate that estrogen activates the mechanisms that cause an afternoon surge in prolactin before potentiating a morning elevation induced by ether anesthesia.Acknowledgment. This work was supported by NIH General Research Support, grant No. RR05384-14 to Wayne State University School of Medicine. The authors also with to express their appreciation to Mrs C. Van De Walle for her expert technical assistance in the prolactin radioimmunoassay, to Dr Richard R. Gala for his advice and support of this project and to the Rat Pituitary Hormone Distribution Program of NIAMDD for the generous gift of Rat Prolactin.     

sRNA methylase activity of embryonic liver

Résumé Utilisant SAM-¹⁴CH₃ il a été démontré que le foie foetal a plus d'activité de sRNA methylase que le foie adulte.

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This investigation was supported in part by an allocation from a Public Health Service General Research Support Grant No. SO 1 FR-05545-03, and an American Cancer Society Grant No. IN 19F to The Jackson Laboratory, Bar Harbor, Maine, and by Public Health Service Research Grants No. HD-01496 from the National Institute of Child Health and Human Development and No. FR-00251 from the Division of Research Facilities and Resources.     

T-cell leukemia induced by 1-propyl-1-nitrosourea in Fischer rats

Summary T-cell leukemia was induced at a high rate in female Fischer rats by continuous oral administration of 1-propyl-1-nitrosourea. No association of oncorna viruses were found in the leukemogenesis.The authors are greatly indebted to Professor K. Yokoro of the Department of Pathology, Research Institute for Nuclear Medicine & Biology, for his valuable suggestions. This work was supported in part by a Grant-in-Aid for Cancer Research from the Ministry of Education, Science and Culture, Japan.     

Isolation of 2-S-cysteinyldopa and 2,5-S,S-dicysteinyldopa from the urine of patients with melanoma

Summary Urine from patients with melanoma metastases is shown to contain, in addition to the previously described 5-S-cysteinyldopa (I), 2 closely related metabolites which have been isolated and identified as 2-S-cysteinyldopa (II) and 2, 5-S, S-dicysteinyldopa (III).Supported by grants from the Swedish Cancer Society (No. 626-B76-05XB and 869-B75-01P), the Swedish Medical Research Council (No. B76-04X-00056-12), and the Walter, Ellen and Lennart Hesselman Foundation for Scientific Research. Professor Prota was a visiting scientist of the Swedish Cancer Society (No. 626-B75-04V). The authors are indebted to Dr Soshuke Ito for samples of 2-S-cysteinyldopa and 2,5-S,S-dicysteinyldopa.     

Liver esterase abnormalities in hereditary neurological diseases of mice

Zusammenfassung Alle von uns in Mäusen untersuchten vererblichen neurologischen Erkrankungen stellen entweder primäre oder sekundäre gesamtkörperliche Prozesse dar. Verschiedene allelische Substitutionen produzieren spezifische Leber-Esterase-Isozym-Defekte.

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This work was supported in part by NIH research grant No. NB 06448 from the National Institute of Neurological Diseases nad Stroke, a grant from the National Foundation for Neuromuscular Diseases, Inc., a grant from the Health Research Fund, United Fund of Schenectedy County, Inc., and an allocation from NIH General Research Support Grant No. RR 05545 from the Division of Research Resources to The Jackson Laboratory.

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The principles of laboratory animal care as promulgated by the National Society for Medical Research are observed in this Laboratory.     

Somatostatin content and release of isolated pancreatic islets from obese-hyperglycemic mice

Summary The somatostatin content in pancreatic islets of obese-hyperglycemic mice was much lower than in the islets of normal mice. Also the release of somatostatin was decreased from the islets obtained from the obese-hyperglycemic mice. Tissue culture for 1 week changed neither the content of, nor the amount of somatostatin released from, the pancreatic islets.This work was supported by the Swedish Medical Research Council, Nordic Insulin Foundation, Swedish Diabetes Association, the Bergwalls stiftelse and the Anders Swärds stiftelse.     

α-d-glucosidase in normal and leukemic lymphocytes

Zusammenfassung Der einfache Nachweis von -d-Glukosidase in leukämischen Lymphozyten gelang spektrophotometrisch. Dies lässt darauf schliessen, dass ein Enzymmangel nicht Ursache für die Glykogenspeicherung dieser Zellen sein kann. Es scheint sich um eine Ansammlung von glykolytischen Zwischenprodukten und nicht um einen Defekt der Glykogenolyse zu handeln.

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Supported by U.S.P.H.S. Research Grant No. CA 07000 and U.S.P.H.S. Training Grant No. 5 T1 CA5159.

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Work done as a U.S.P.H.S. Postdoctoral Research Fellow in hematology.

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Recipient of U.S.P.H.S. Career Development Award 1-K3-CA-8371.     

Organogenesis: Prolonged differentiation and growth of tooth primordia on the chick chorio-allantoic membrane

Zusammenfassung Es wird gezeigt, dass die Molarenanlagen von einem Nager auf dem Allantochorion des Hühnchens sich herkunftsgemäss weiterentwickeln und echte Zähne ausbilden.

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Postdoctoral trainee grant No. 5-T01 DE-00094-05 from the U.S. Public Health Service, Institute of Dental Research.

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Recipient of Career Award No. 1-K6-DE-6083-03 from the U.S. Public Health Service, Institute of Dental Research.     

Extractive components from the nutmeg ofMyristica simarum A. DC.: The structure of lignan-ketone: Otobanone

Summary Otobanon obtained fromn-hexane extract ofMyristica simarum A. DC. was elucidated as 1-oxo-otobain by the physical spectra and chemical degradation.Acknowledgment. The authors are indebted to Chemical Research Center for financial support under the project No. CRC-6203, which supported by the National Council on Science Development of China.     

Atypic chronology of the mitotic cycle of neoplastic mouse mast cells

Zusammenfassung Im mitotischen Zyklus vollständig asynchroner, exponentiell proliferierender neoplastischer Manusmastzellen des Stamms P815Y ist dieG1-Phase vollständig abwesend. DNA-Synthese (S-Phase) beansprucht 84%,G2-Phase 14% und Mitose 4% der vollen Dauer des Zell-Zyklus.

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This investigation was supported by the Office of Naval Research under contract No. Nonr-266(76) and by the Health Research Council of the City of New York under contract No. I-428, and carried out at Columbia University (Department of Biochemistry).

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Recipient of Career Scientist Award of the Health Research Council of the City of New York under Contract No. I-428.     

Distribution of inulin-carboxy-C14 in heart and skeletal muscle with respect to in vivo and in vitro extracellular space determinations

Zusammenfassung Gleichmässige Indikatorverteilung im Gewebe ist Ausdruck für Konzentrationsausgleich zwischen Blutstrom bzw. Inkubationsmedium und Extrazellulärraum. Es wurde ein zentraler Block aus einem Gewebsstück herausgeschnitten und die Konzentration von Inulin-carboxyl-C¹⁴ darin mit der im peripheren oberflächlichen Gewebe verglichen. Im Myokard des linken Ventrikels und im Soleusmuskel fand sich in vivo eine gleichmässige Verteilung, in vitro hingegen nicht; selbst bei einer Inkubationsdauer von 5 h in einem als optimal anzusehenden Milieu. Damit ist die Methode, wahre Extrazellulärräume in vitro zu messen, fragwürdig. Hingegen hat sich die Echtheit von in-vivo-Bestimmungen bestätigt.

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This investigation was supported in part by U.S. Public Health Service Research Grant No. HE-09791 from the National Heart Institute and General Research Support Grant No. SO1-FR-05525 from the Division of Research Facilities and Resources, and in part by a grant from the John A. Hartford Foundation.     

Chromosomal variation and heterochromatin polymorphisms inPeromyscus maniculatus

Summary Evidence is presented that chromosomal variation inPeromyscus results from 1. addition of heterochromatic short arms to acrocentric chromosomes, and 2. pericentric inversions. Constitutive heterochromatin polymorphisms contribute to variation in the amount of heterochromatin inPeromyscus populations.Submitted in partial fulfilment of the requirements of Master of Science degree in Zoology at the University of Wyoming.Supported in part by Public Health Service Grant No. GM-20491 from the National Institute of Health and by grants from the U. Wyoming Division of Basic Research and Research Coordination.     

Relationship between teratogeny and structure in the thalidomide field

Zusammenfassung Thalidomid verursacht an trächtigen Neuseeland-Kaninchen nach oraler Verabreichung starke Missbildungen des Wurfes. Geringe strukturelle Abweichungen können die Teratogenie zerstören: Zwei solche Verbindungen,N-Methoxy-thalidomid und 2-Phthalimido-glutaramid, sind nicht teratogen, während ein Esteramid, ein Thalidomidanalog mit offener Kette, hauptsächlich Missbildungen der inneren Organe erzeugt.

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This research was supported in part by Public Health Service Research Grants, no. HD-01496 from the National Institute of Child Health and Human Development and No. FR-00251 from the Division of Research Facilities and Resources to The Jackson Laboratory, Bar Harbor, Maine; and Public health Service Grant No. CA-08748 to The Sloan-Kettering Institute for Cancer Research.     

Increased ALA dehydratase activity and spleen weight in lead-intoxicated rats. A consequence of increased blood cell destruction

Summary Lead was given in the diet (1%) to rats from birth and at different times the animals were studied for delta amino levulinic acid dehydratase (ALAD) activity, spleen weight,⁵⁹Fe incorporation in erythrocytes and⁵¹Cr-labeled erythrocytes survival. The increased ALAD and spleen weight found after lead treatment is explained as a consequence of a shortened survival, which results in a younger age of circulating erythrocytes with higher ALAD activity.Supported by Contract No. 140-76-12 ENV. B. of the E. C. Environmental Research Program.     

Experimental amyloidosis and renal disease

Riassunto Topi albini NMRI timectomizzati all'età di 2 mesi sviluppano una grave forma di glomerulonefrite evolvente verso la sclerosi. Una massiva infiltrazione di sostanza amiloide nella milza segue le alterazioni renali indicando che esiste uno stretto rapporto tra danno renale ed amiloidosi.

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Research fellow of the Italian National Research Council, Rome. This work was supported by the Swiss National Foundation for Scientific Research, Grant No. 3958.     

Studies on the murine L-4946 ascitic leukemia in Swiss albino mice

Zusammenfassung Virologische Untersuchungen einer Mäuseleukämie, die sich durch eine «subzelluläre onkogene Komponente» übertragen lässt.

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This work was supported in part by the Developmental Physiology Training Grant No. NIH T1-HD0054; NIH Training Grant No. 1 T01 AMO-5680-01 DM; General Research Support Grant No. 623; and aided by a grant from the National Foundation — March of Dimes. This research was conducted in facilities accredited by the American Association for Accreditation of Laboratory Animal Care.