Deputy Vice-Chancellor (Research)

Research Output 1969 2020

Filter
Article
1970
10 Citations (Scopus)

STEROID MONO-HEPTAFLUOROBUTYRATES AND DIHEPTAFLUOROBUTYRATES - PREPARATION, PURIFICATION AND ESTIMATION

Challis, J. & Heap, RB., 1970, In : Journal of Chromatography A. 50, 2, p. 228-&

Research output: Contribution to journalArticle

1971
133 Citations (Scopus)

CONCENTRATIONS OF OESTROGEN AND PROGESTERONE IN PLASMA OF NONPREGNANT, PREGNANT AND LACTATING GUINEA-PIGS

Challis, J., Heap, RB. & Illingwo, DV., 1971, In : Journal of Endocrinology. 51, 2, p. 333-&

Research output: Contribution to journalArticle

171 Citations (Scopus)

SHARP INCREASE IN FREE CIRCULATING OESTROGENS IMMEDIATELY BEFORE PARTURITION IN SHEEP

Challis, J., 1971, In : Nature. 229, 5281, p. 208-&

Research output: Contribution to journalArticle

1973

CONCENTRATIONS OF ESTROGENS AND PROGESTERONE IN PLASMA OF OVARIECTOMIZED AND OVARIECTOMIZED NORGESTREL-TREATED PREGNANT GUINEA-PIGS

Illingwo, DV. & Challis, J., 1973, In : Reproduction. 34, 2, p. 289-296

Research output: Contribution to journalArticle

164 Citations (Scopus)

CONCENTRATIONS OF PROGESTERONE, ESTRONE AND ESTRADIOL-17-BETA IN PLASMA OF PREGNANT RABBITS

Challis, J., Davies, IJ. & Ryan, KJ., 1973, In : Endocrinology. 93, 4, p. 971-976

Research output: Contribution to journalArticle

17 Citations (Scopus)

ESTRONE METABOLISM IN PREGNANT AND LACTATING GOATS

Challis, J. & Linzell, JL., 1973, In : Journal of Endocrinology. 57, 3, p. 451-457

Research output: Contribution to journalArticle

18 Citations (Scopus)

KINETICS OF ESTRADIOL-17BETA METABOLISM IN SHEEP

Challis, J., Harrison, FA. & Heap, RB., 1973, In : Journal of Endocrinology. 57, 1, p. 97-110

Research output: Contribution to journalArticle

11 Citations (Scopus)

METABOLIC CLEARANCE RATE PRODUCTION RATE AND CONVERSION RATIOS OF ESTRONE IN SHEEP

Challis, J., Harrison, FA. & Heap, RB., 1973, In : Journal of Endocrinology. 58, 3, p. 435-446

Research output: Contribution to journalArticle

15 Citations (Scopus)

RELATIONSHIP BETWEEN PROGESTERONE AND PROSTAGLANDIN-F CONCENTRATIONS IN PLASMA OF PREGNANT RABBITS

Challis, J., Davies, IJ. & Ryan, KJ., 1973, In : PROSTAGLANDINS. 4, 4, p. 509-516

Research output: Contribution to journalArticle

1974
1 Citation (Scopus)
10 Citations (Scopus)

COMPARISON BETWEEN CONCENTRATION OF PROSTAGLANDIN-F IN HUMAN PLASMA AND SERUM

Challis, J. & Tulchins, D., 1974, In : PROSTAGLANDINS. 5, 1, p. 27-31

Research output: Contribution to journalArticle

32 Citations (Scopus)

CONCENTRATIONS OF ANDROGENS, ESTROGENS, PROGESTERONE AND LUTEINIZING-HORMONE IN SERUM OF FORTAL CALVES THROUGHOUT COURSE OF GESTATION

Challis, J., Kim, CK., Naftolin, F., Judd, HL., Yen, SSC. & Benirsch, K., 1974, In : Journal of Endocrinology. 60, 1, p. 107-115

Research output: Contribution to journalArticle

21 Citations (Scopus)

CONCENTRATIONS OF PROGESTERONE, ESTRONE AND ESTRADIOL-17-BETA IN MYOMETRIUM OF PREGNANT RABBIT AND THEIR RELATIONSHIP TO PERIPHERAL PLASMA STEROID CONCENTRATIONS

Challis, J., Davies, IJ. & Ryan, KJ., 1974, In : Endocrinology. 95, 1, p. 160-164

Research output: Contribution to journalArticle

17 Citations (Scopus)

CONCENTRATIONS OF PROGESTERONE, ESTRONE AND ESTRADIOL-17 BETA IN PERIPHERAL PLASMA OF RHESUS-MONKEY DURING FINAL THIRD OF GESTATION, AND AFTER INDUCTION OF ABORTION WITH PGF2 ALPHA

Challis, J., Davies, IJ., Benirsch, K., Hendrick, AG. & Ryan, KJ., 1974, In : Endocrinology. 95, 2, p. 547-553

Research output: Contribution to journalArticle

40 Citations (Scopus)

DEVELOPMENTAL-STUDY ON CAPACITY OF RABBIT GRANULOSA-CELLS TO RESPOND TO TROPHIC HORMONES AND SECRETE PROGESTERONE INVITRO

Erickson, GF., Challis, J. & Ryan, KJ., 1974, In : Developmental Biology. 40, 2, p. 208-224

Research output: Contribution to journalArticle

46 Citations (Scopus)

EFFECTS OF DEXAMETHASONE ON PLASMA STEROID LEVELS AND FETAL ADRENAL HISTOLOGY IN PREGNANT RHESUS-MONKEY

Challis, J., Davies, IJ., Benirsch, K., Hendrick, AG. & Ryan, KJ., 1974, In : Endocrinology. 95, 5, p. 1300-1305

Research output: Contribution to journalArticle

7 Citations (Scopus)

EFFECTS OF PROSTAGLANDIN-F2ALPHA AND OVARIECTOMY ON PERIPHERAL PLASMA STEROID CONCENTRATIONS AND EVOLUTION OF MYOMETRIAL ACTIVITY IN PREGNANT RABBIT

Challis, J., Porter, DG. & Ryan, KJ., 1974, In : Endocrinology. 95, 3, p. 783-792

Research output: Contribution to journalArticle

4 Citations (Scopus)

EXTRACTION OF ESTROGENS, AND RATE OF SECRETION OF ESTRONE AND ESTRADIOL-17BETA BY UTERUS IN PREGNANT SHEEP

Challis, J., Harrison, FA. & Heap, RB., 1974, In : Journal of Endocrinology. 61, 2, p. 277-284

Research output: Contribution to journalArticle

24 Citations (Scopus)

MATERNAL AND FETAL PLASMA PROSTAGLANDIN LEVELS AT VAGINAL DELIVERY AND CESAREAN-SECTION

Challis, J., Osathano, R., Ryan, KJ. & Tulchins, D., 1974, In : PROSTAGLANDINS. 6, 4, p. 281-288

Research output: Contribution to journalArticle

27 Citations (Scopus)

PARTURITION IN GUINEA-PIG - PLASMA-LEVELS OF STEROID-HORMONES, STEROID-BINDING PROTEINS, AND OXYTOCIN, AND EFFECT OF CORTICOSTEROIDS, PROSTAGLANDINS AND ADRENOCORTICOTROPIN

Illingworth, DV., Challis, J., Ackland, N., Burton, AM., Heap, RB. & Perry, JS., 1974, In : Journal of Endocrinology. 63, 3, p. 557-570

Research output: Contribution to journalArticle

13 Citations (Scopus)

PLACENTAL-TRANSFER OF OXYTOCIN IN GUINEA-PIG AND ITS RELEASE DURING PARTURITION

Burton, AM., Illingwo, DV., Challis, J. & Mcneilly, AS., 1974, In : Journal of Endocrinology. 60, 3, p. 499-506

Research output: Contribution to journalArticle

11 Citations (Scopus)

PROGESTERONE RECEPTORS IN MYOMETRIUM OF PREGNANT RABBITS

Davies, IJ., Challis, J. & Ryan, KJ., 1974, In : Endocrinology. 95, 1, p. 165-173

Research output: Contribution to journalArticle

2 Citations (Scopus)

PROSTAGLANDIN-F IN PERIPHERAL PLASMA OF RHESUS-MONKEY IN NORMAL-PREGNANCY AND AFTER ADMINISTRATION OF DEXAMETHASONE AND PGF2ALPHA

Challis, J., Davies, IJ., Hendrick, AG. & Ryan, KJ., 1974, In : PROSTAGLANDINS. 6, 5, p. 389-396

Research output: Contribution to journalArticle

17 Citations (Scopus)

PROSTAGLANDIN-F PRODUCTION INVITRO BY GRANULOSA-CELLS FROM RABBIT PRE-OVULATORY FOLLICLES

Challis, J., Erickson, GF. & Ryan, KJ., 1974, In : PROSTAGLANDINS. 7, 3, p. 183-193

Research output: Contribution to journalArticle

1975
19 Citations (Scopus)
14 Citations (Scopus)

EFFECTS OF DEXAMETHASONE AND INDOMETHACIN ON OUTCOME OF PREGNANCY IN RABBIT

Challis, J., Davies, IJ. & Ryan, KJ., 1975, In : Journal of Endocrinology. 64, 2, p. 363-370

Research output: Contribution to journalArticle

52 Citations (Scopus)

EFFECTS OF DEXAMETHASONE ON PERIPHERAL PLASMA CONCENTRATIONS OF ANDROSTENEDIONE, TESTOSTERONE AND CORTISOL IN PREGNANT RHESUS-MONKEY

Challis, J., Davies, IJ., Benirschke, K., Hendrickx, AG. & Ryan, KJ., 1975, In : Endocrinology. 96, 1, p. 185-192

Research output: Contribution to journalArticle

28 Citations (Scopus)

Finch numbers, owl predation and plant dispersal on Isla Daphne Major, Galápagos

Grant, P. R., Smith, J. N. M., Grant, B. R., Abbott, I. J. & Abbott, L. K., Sep 1975, In : Oecologia. 19, 3, p. 239-257 19 p.

Research output: Contribution to journalArticle

Daphne
Strigiformes
fruit
predation
pellets
14 Citations (Scopus)

PLASMA UNCONJUGATED 15ALPHA-HYDROXYOESTRIOL (OESTETROL) LEVELS IN NORMAL HUMAN PREGNANCY

Korda, AR., Challis, J., Anderson, ABM. & Turnbull, AC., 1975, In : BJOG: an International Journal of Obstetrics and Gynecology. 82, 11, p. 882-886

Research output: Contribution to journalArticle

20 Citations (Scopus)

PRENATAL ENDOCRINE FUNCTION AND INITIATION OF PARTURITION

Challis, J. & Thorburn, GD., 1975, In : British Medical Bulletin. 31, 1, p. 57-62

Research output: Contribution to journalArticle

1976
122 Citations (Scopus)

Darwin's finches: population variation and natural selection

Grant, P. R., Grant, B. R., Smith, J. N. M., Abbott, I. J. & Abbott, L. K., Jan 1976, In : Proceedings of the National Academy of Sciences of the United States of America. 73, 1, p. 257-261 5 p.

Research output: Contribution to journalArticle

Daphne
Finches
Genetic Selection
Phenotype
Islands
3 Citations (Scopus)

METABOLIC-CLEARANCE RATE AND PRODUCTION-RATE OF ESTRADIOL IN CONSCIOUS RABBITS

Fraser, IS., Challis, J. & Thorburn, GD., 1976, In : Journal of Endocrinology. 68, 2, p. 313-320

Research output: Contribution to journalArticle

61 Citations (Scopus)

PRODUCTION OF PROSTAGLANDIN-E AND PROSTAGLANDIN-F-ALPHA BY CORPORA-LUTEA, CORPORA ALBICANTES AND STROMA FROM HUMAN OVARY

Challis, J., Calder, AA., Dilley, S., Forster, CS., Hillier, K., Hunter, DJS., Mackenzie, IZ. & Thorburn, GD., 1976, In : Journal of Endocrinology. 68, 3, p. 401-408

Research output: Contribution to journalArticle

20 Citations (Scopus)

PRODUCTION OF PROSTAGLANDIN F-ALPHA IN EWES FOLLOWING LUTEAL REGRESSION INDUCED WITH A PROSTAGLANDIN ANALOG, ESTRUMATE (CLOPROSTENOL-ICI 80996)

Challis, J., Forster, CS., Furr, BJA., Robinson, JS. & Thorburn, GD., 1976, In : PROSTAGLANDINS. 11, 3, p. 537-543

Research output: Contribution to journalArticle

116 Citations (Scopus)

PROSTAGLANDINS IN CIRCULATION OF FETAL LAMB

Challis, J., Dilley, SR., Robinson, JS. & Thorburn, GD., 1976, In : PROSTAGLANDINS. 11, 6, p. 1041-1052

Research output: Contribution to journalArticle

18 Citations (Scopus)

PROSTAGLANDINS IN PLASMA AND AMNIOTIC-FLUID OF RHESUS-MONKEYS DURING PREGNANCY AND AFTER INTRAUTERINE FETAL DEATH

Mitchell, MD., Patrick, JE., Robinson, JS., Thorburn, GD. & Challis, J., 1976, In : Journal of Endocrinology. 71, 1, p. 67-76

Research output: Contribution to journalArticle

72 Citations (Scopus)

RAPID INCREASE OF FETAL CORTICOSTEROIDS AFTER PROSTAGLANDIN-E2

Louis, TM., Challis, J., Robinson, JS. & Thorburn, GD., 1976, In : Nature. 264, 5588, p. 797-799

Research output: Contribution to journalArticle

1977
1 Citation (Scopus)

CHANGES IN CONCENTRATION OF CORTISOL IN AMNIOTIC-FLUID AFTER INTRA-AMNIOTIC PROSTAGLANDIN FOR MIDTRIMESTER-ABORTION

Mackenzie, IZ., Pooley, G. & Challis, J., 1977, In : BJOG: an International Journal of Obstetrics and Gynecology. 84, 8, p. 608-612

Research output: Contribution to journalArticle

84 Citations (Scopus)

CONTROL OF PARTURITION IN DOMESTIC-ANIMALS

Thorburn, GD., Challis, J. & Currie, WB., 1977, In : Biology of Reproduction. 16, 1, p. 18-27

Research output: Contribution to journalArticle

5 Citations (Scopus)

CONVERSION OF PGE2 TO PGF2-ALPHA BY FETAL SHEEP BLOOD

Bolla, J., Carson, GD. & Challis, J., 1977, In : PROSTAGLANDINS. 14, 5, p. 873-878

Research output: Contribution to journalArticle

8 Citations (Scopus)

CORTISOL BINDING IN HUMAN AMNIOTIC-FLUID

Challis, J. & Bennett, MJ., 1977, In : American Journal of Obstetrics & Gynecology. 129, 6, p. 655-661

Research output: Contribution to journalArticle

22 Citations (Scopus)

DEVELOPMENT OF FETAL PITUITARY-ADRENAL-FUNCTION

Challis, J., Jones, CT., Robinson, JS. & Thorburn, GD., 1977, In : Journal of Steroid Biochemistry and Molecular Biology. 8, 5, p. 471-478

Research output: Contribution to journalArticle

6 Citations (Scopus)

EFFECTS OF DANAZOL ON PITUITARY-OVARIAN AXIS IN RHESUS-MONKEY (MACACA-MULATTA)

Jenkin, G., Fraser, IS., Challis, J., Elvidge, H. & Thorburn, GD., 1977, In : Journal of International Medical Research. 5, p. 44-56

Research output: Contribution to journalArticle

50 Citations (Scopus)

EFFECTS OF EXOGENOUS PROGESTERONE AND ESTRADIOL ON PROSTAGLANDIN-F AND 13,14-DIHYDRO-15-OXO PROSTAGLANDIN-F2ALPHA CONCENTRATIONS IN UTERI AND PLASMA OF OVARIECTOMIZED EWES

Louis, TM., Parry, DM., Robinson, JS., Thorburn, GD. & Challis, J., 1977, In : Journal of Endocrinology. 73, 3, p. 427-&

Research output: Contribution to journalArticle

36 Citations (Scopus)

IS ALPHA MSH A TROPHIC HORMONE TO ADRENAL-FUNCTION IN FETUS

Challis, J. & Torosis, JD., 1977, In : Nature. 269, 5631, p. 818-819

Research output: Contribution to journalArticle

33 Citations (Scopus)

REGULATION OF CORTICOSTEROIDS DURING LATE PREGNANCY AND THEIR ROLE IN PARTURITION

Challis, J., Kendall, JZ., Robinson, JS. & Thorburn, GD., 1977, In : Biology of Reproduction. 16, 1, p. 57-69

Research output: Contribution to journalArticle

36 Citations (Scopus)

STEROID AND PROSTAGLANDIN CONCENTRATIONS IN PLASMA OF PREGNANT EWES DURING INFUSION OF ADRENOCORTICOTROPIN OR DEXAMETHASONE TO INTACT OR HYPOPHYSECTOMIZED FETUSES

Kendall, JZ., Challis, J., Hart, IC., Jones, CT., Mitchell, MD., Ritchie, JWK., Robinson, JS. & Thorburn, GD., 1977, In : Journal of Endocrinology. 75, 1, p. 59-71

Research output: Contribution to journalArticle

17 Citations (Scopus)

STEROIDS IN AMNIOTIC-FLUID OF RHESUS-MONKEY (MACACA-MULATTA)

Challis, J., Hartley, P., Johnson, P., Patrick, JE., Robinson, JS. & Thorburn, GD., 1977, In : Journal of Endocrinology. 73, 2, p. 355-363

Research output: Contribution to journalArticle

1978

ADMINISTRATION OF EXTRA-AMNIOTIC ARACHIDONIC-ACID AND SUPPRESSION OF UTERINE PROSTAGLANDIN SYNTHESIS DURING PREGNANCY IN RHESUS-MONKEY

Robinson, JS., Chapman, RLK., Challis, J., Mitchell, MD. & Thorburn, GD., 1978, In : Reproduction. 54, 2, p. 369-373

Research output: Contribution to journalArticle

9 Citations (Scopus)

PLASMA CORTISOL IN CHRONIC RHESUS-MONKEY PREPARATION (MACACA-MULATTA)

Socol, ML., Manning, FA., Murata, Y., Challis, J. & Martin, CB., 1978, In : American Journal of Obstetrics & Gynecology. 132, 4, p. 421-424

Research output: Contribution to journalArticle