Brooks Allen Keel

President

  • 1117 Citations
  • 19 h-Index
1980 …2010
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Research Output 1980 2010

  • 1117 Citations
  • 19 h-Index
  • 62 Article
  • 3 Chapter
  • 2 Review article
  • 1 Book
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Article
2006
88 Citations (Scopus)
2005
3 Citations (Scopus)

Is the semen analysis a reliable test?

Keel, B. A., Jan 1 2005, In : Zhonghua nan ke xue = National journal of andrology. 11, 2, p. 85-90 6 p.

Research output: Contribution to journalArticle

Semen Analysis
Andrology
Quality Control
Semen
Fertility
2004
63 Citations (Scopus)

How reliable are results from the semen analysis?

Keel, B. A., 2004, In : Fertility and Sterility.

Research output: Contribution to journalArticle

2002
62 Citations (Scopus)
16 Citations (Scopus)
Andrology
Quality Control
Physicians
2000
4 Citations (Scopus)

Correlation of the bovine cervical mucus penetration test with human sperm characteristics in 1406 ejaculates

Keel, B. A., Schalue, T. K., Webert, S. K., Rognsvoog, L. M., Schlitter, C. S., Tjaden, B. D. & Grainger, D. A., Jan 1 2000, In : Systems Biology in Reproductive Medicine. 44, 2, p. 8213-8214 2 p.

Research output: Contribution to journalArticle

Cervix Mucus
Spermatozoa
Mucus
Semen
Masturbation
79 Citations (Scopus)

Results of the American Association of Bioanalysts national proficiency testing programme in andrology

Keel, B. A., Quinn, P., Schmidt, C. F., Serafy, N. T., Serafy, N. T. & K.schalue, T., Jan 1 2000, In : Human Reproduction. 15, 3, p. 680-686 7 p.

Research output: Contribution to journalArticle

Andrology
Sperm Count
Spermatozoa
Antibodies
Semen Analysis
1999
18 Citations (Scopus)

Epidermal growth factor activates extracellular signal-regulated protein kinases (ERK) in freshly isolated porcine granulosa cells

Keel, B. A. & Davis, J. S., Jan 1 1999, In : Steroids. 64, 9, p. 654-658 5 p.

Research output: Contribution to journalArticle

Granulosa Cells
Extracellular Signal-Regulated MAP Kinases
Epidermal Growth Factor
Protein Kinases
Swine
1998
4 Citations (Scopus)
Assisted Reproductive Techniques
Embryology
Clinical Medicine
Guidelines
1997
14 Citations (Scopus)

Perinatal outcomes in a prospective matched pair study of pregnancy and unexplained elevated or low AFP screening

Cho, S., Durfee, K. K., Keel, B. A. & Parks, L. H., Jan 1 1997, In : Journal of Perinatal Medicine. 25, 6, p. 476-483 8 p.

Research output: Contribution to journalArticle

alpha-Fetoproteins
Mothers
Pregnancy
Serum
Second Pregnancy Trimester
1996
44 Citations (Scopus)

Mechanisms of hormone and growth factor action in the bovine corpus luteum

Davis, J. S., May, J. V. & Keel, B. A., Jan 1 1996, In : Theriogenology. 45, 7, p. 1351-1380 30 p.

Research output: Contribution to journalArticle

Corpus Luteum
corpus luteum
growth factors
Intercellular Signaling Peptides and Proteins
hormones
1995
46 Citations (Scopus)

Effects of epidermal growth factor on the tyrosine phosphorylation of mitogen-activated protein kinases in monolayer cultures of porcine granulosa cells

Keel, B. A., Hildebrandt, J. M., May, J. V. & Davis, J. S., Jan 1 1995, In : Endocrinology. 136, 3, p. 1197-1204 8 p.

Research output: Contribution to journalArticle

Granulosa Cells
Mitogen-Activated Protein Kinases
Epidermal Growth Factor
Tyrosine
Swine
1994
7 Citations (Scopus)
alpha-Fetoproteins
Concanavalin A
Protein Isoforms
Lectins
Blood
3 Citations (Scopus)

Heterogeneity of Gonadotropins and Levels of Uncombined Luteinizing Hormone Subunits in Pituitaries of Cryptorchid Rams

Keel, B. A., ZALESKY, D. D., SOHAILI, I., SCHANBACHER, B. D. & GROTJAN, H. E., Jan 1 1994, In : Journal of Andrology. 15, 1, p. 29-35 7 p.

Research output: Contribution to journalArticle

Luteinizing Hormone
Gonadotropins
Cryptorchidism
Hormones
Protein Isoforms
1 Citation (Scopus)
Granulosa Cells
LDL Lipoproteins
Cell Differentiation
Swine
Cell Proliferation
1993
7 Citations (Scopus)

Purified human α-fetoprotein inhibits follicle-stimulating hormone-stimulated estradiol production by porcine granulosa cells in culture

Keel, B. A., Eddy, K. B., He, Y., Gangrade, B. K. & May, J. V., Jan 1 1993, In : Molecular and Cellular Endocrinology. 94, 1, p. 21-25 5 p.

Research output: Contribution to journalArticle

Fetal Proteins
Granulosa Cells
Follicle Stimulating Hormone
Estradiol
Swine
1992
14 Citations (Scopus)

Purified ruman alpha fetoprotein inbibits growl'ii factor-stimulated estradiol production by porcine granulosa cells in monolayer culture

Keel, B. A., Eddy, K. B., Cho, C., Gangrade, B. K. & May, J. V., Jun 1992, In : Endocrinology. 130, 6, p. 3715-3717 3 p.

Research output: Contribution to journalArticle

Granulosa Cells
alpha-Fetoproteins
Estradiol
Swine
Intercellular Signaling Peptides and Proteins
1991
5 Citations (Scopus)

A simple two-step purification of human and monkey alpha fetoprotein from amniotic fluid and serum.

Leal, J. A. & Keel, B. A., Jan 1 1991, In : Journal of Medical Primatology. 20, 1, p. 35-41 7 p.

Research output: Contribution to journalArticle

amniotic fluid
alpha-Fetoproteins
Amniotic Fluid
blood serum
Haplorhini
4 Citations (Scopus)
Fetal Proteins
Serum Albumin
Albumins
Protein Isoforms
Proteins
28 Citations (Scopus)

Human mammary tumor cell proliferation: primary role of platelet-derived growth factor and possible synergism with human α-fetoprotein

Leal, J. A., Gangrade, B. K., Kiser, J. L., May, J. V. & Keel, B. A., Jan 1 1991, In : Steroids. 56, 5, p. 247-251 5 p.

Research output: Contribution to journalArticle

Fetal Proteins
Platelet-Derived Growth Factor
Cell proliferation
Tumors
Fetal Blood
12 Citations (Scopus)

Human α‐fetoprotein purified from amniotic fluid enhances growth factor‐mediated cell proliferation in vitro

Keel, B. A., Eddy, K. B., Cho, S. & May, J. V., Jan 1 1991, In : Molecular Reproduction and Development. 30, 2, p. 112-118 7 p.

Research output: Contribution to journalArticle

Fetal Proteins
Amniotic Fluid
Cell Proliferation
Fetal Blood
Granulosa Cells
14 Citations (Scopus)

Macroorchidism and testicular fibrosis associated with autoimmune thyroiditis

Hoffman, W. H., Kovacs, K. T., Gala, R. R., Keel, B. A., Jarrell, T. S., Ellegood, J. O. & Burek, C. L., Jan 1 1991, In : Journal of Endocrinological Investigation. 14, 7, p. 609-616 8 p.

Research output: Contribution to journalArticle

Autoimmune Thyroiditis
Fibrosis
Leydig Cells
Androstenedione
Spermatogenesis
4 Citations (Scopus)
Luteinizing Hormone
Sheep
Dialysis
Permeation
Buffers
48 Citations (Scopus)

Synergistic action of purified α-fetoprotein and growth factors on the proliferation of porcine granulosa cells in monolayer culture

Keel, B. A., Eddy, K. B., Cho, S. & May, J. V., Jan 1 1991, In : Endocrinology. 129, 1, p. 217-225 9 p.

Research output: Contribution to journalArticle

Fetal Proteins
Granulosa Cells
Epidermal Growth Factor
Intercellular Signaling Peptides and Proteins
Insulin-Like Growth Factor I
1990
2 Citations (Scopus)

A microcomputer data base system for an in vitro fertilization clinic programmed in BASIC

Keel, B. A., Roberts, V. M., May, J. V. & Webster, B. W., Oct 1 1990, In : Journal of in Vitro Fertilization and Embryo Transfer. 7, 5, p. 249-253 5 p.

Research output: Contribution to journalArticle

Microcomputers
Fertilization in Vitro
Information Systems
Databases
Gamete Intrafallopian Transfer
11 Citations (Scopus)

Characterization of human alpha fetoprotein charge microheterogeneity during fetal development

Keel, B. A., Harms, R. L., Leal, J. A. & Cho, S., Jan 1 1990, In : Molecular Reproduction and Development. 27, 4, p. 281-287 7 p.

Research output: Contribution to journalArticle

Fetal Development
Fetal Blood
Protein Isoforms
Amniotic Fluid
Lectins
3 Citations (Scopus)

Characterization of the acidic forms of ovine pituitary luteinizing hormone

Keel, B. A., Harms, R. L. & Grotjan, H. E., Jan 1 1990, In : Acta Endocrinologica. 123, 5, p. 563-570 8 p.

Research output: Contribution to journalArticle

Pituitary Hormones
Dihydrotestosterone
Luteinizing Hormone
Sheep
Biological Assay
34 Citations (Scopus)

Human α fetoprotein enhances epidermal growth factor proliferative activity upon porcine granulosa cells in monolayer culture

Leal, J. A., May, J. V. & Keel, B. A., Jan 1990, In : Endocrinology. 126, 1, p. 669-671 3 p.

Research output: Contribution to journalArticle

Fetal Proteins
Granulosa Cells
Epidermal Growth Factor
Swine
Serum
1 Citation (Scopus)

The charge characterization of native and deglycosylated thyrotropin

Keel, B. A., Harms, R. L. & Amir, S. M., Jan 1 1990, In : Endocrine Research. 16, 2, p. 151-163 13 p.

Research output: Contribution to journalArticle

Concanavalin A
Sheep
Carbohydrates
deglycosylated thyrotropin
1989
3 Citations (Scopus)

A microcomputer data base system for maternal serum alpha fetoprotein screening programmed in BASIC

Keel, B. A., Durfee, K. K. & Cho, S., Jan 1 1989, In : Journal of Perinatal Medicine. 17, 3, p. 221-229 9 p.

Research output: Contribution to journalArticle

Programming Languages
alpha-Fetoproteins
Microcomputers
Information Systems
Mothers
2 Citations (Scopus)

Laboratory components of a maternal serum α-fetoprotein screening program

Durfee, K. K., Keel, B. A. & Cho, S., Jan 1 1989, In : Laboratory Medicine. 20, 11, p. 776-782 7 p.

Research output: Contribution to journalArticle

alpha-Fetoproteins
Screening
30 Citations (Scopus)

Semen analysis data from fresh and cryopreserved donor ejaculates: Comparison of cryoprotectants and pregnancy rates

Keel, B. A. & Webster, B. W., Jan 1 1989, In : Fertility and Sterility. 52, 1, p. 100-105 6 p.

Research output: Contribution to journalArticle

Semen Analysis
Pregnancy Rate
Semen
Glycerol
Tissue Donors
1988
25 Citations (Scopus)

Correlation of human sperm motility characteristics with an in vitro cervical mucus penetration test

Keel, B. A. & Webster, B. W., Jan 1 1988, In : Fertility and sterility. 49, 1, p. 138-143 6 p.

Research output: Contribution to journalArticle

Cervix Mucus
Sperm Motility
Mucus
Semen
Semen Analysis
3 Citations (Scopus)

Effects of aging on biologically active pituitary lh in rats

Keel, B. A., Jan 1 1988, In : Systems Biology in Reproductive Medicine. 20, 3, p. 203-209 7 p.

Research output: Contribution to journalArticle

Testosterone
Serum
Circadian Rhythm
Testis
30 Citations (Scopus)

Variation in the biologic and biochemical characteristics of human menopausal gonadotropin

Cook, A. S., Webster, B. W., Terranova, P. F. & Keel, B. A., Jan 1 1988, In : Fertility and sterility. 49, 4, p. 704-712 9 p.

Research output: Contribution to journalArticle

Menotropins
Follicle Stimulating Hormone
Luteinizing Hormone
Ovulation
Cricetinae
1987
16 Citations (Scopus)

Application of a bovine cervical mucus penetration test

Keel, B. A., Kelly, R. W., Webster, B. W., Zumbach, K. L. & Roberts, D. K., Jan 1 1987, In : Systems Biology in Reproductive Medicine. 19, 1, p. 33-41 9 p.

Research output: Contribution to journalArticle

Cervix Mucus
Semen Analysis
Pregnancy Tests
Sperm Count
Sperm Motility
18 Citations (Scopus)

Charge microheterogeneity of ovine follicle-stimulating hormone in rams and steroid-treated wethers.

Keel, B. A. & Schanbacher, B. D., Jan 1 1987, In : Biology of Reproduction. 37, 4, p. 786-796 11 p.

Research output: Contribution to journalArticle

Follicle Stimulating Hormone
Sheep
Steroids
Dihydrotestosterone
Castration
55 Citations (Scopus)

Effects of cryopreservation on the motility characteristics of human spermatozoa

Keel, B. A., Webster, B. W. & Roberts, D. K., Jan 1 1987, In : Journal of Reproduction and Fertility. 81, 1 213-220

Research output: Contribution to journalArticle

Cryopreservation
Spermatozoa
Sperm Count
Sperm Motility
Semen Analysis
32 Citations (Scopus)

Ovine luteinizing hormone. I. Effects of castration and steroid administration of the charge heterogeneity of pituitary luteinizing hormone

Keel, B. A., Schanbacher, B. D. & Grotjan, H. E., Jan 1 1987, In : Biology of reproduction. 36, 5, p. 1102-1113 12 p.

Research output: Contribution to journalArticle

Anterior Pituitary Gland
Pituitary Hormones
Orchiectomy
Dihydrotestosterone
Castration
4 Citations (Scopus)

Ovine luteinizing hormone. II. Effects of castration and steroid administration on the levels of uncombined subunits within the pituitary

Keel, B. A., Schanbacher, B. D. & Grotjan, H. E., Jan 1 1987, In : Biology of Reproduction. 36, 5, p. 1114-1124 11 p.

Research output: Contribution to journalArticle

Protein Conformation
Anterior Pituitary Gland
Orchiectomy
Dihydrotestosterone
Castration
4 Citations (Scopus)

Ovine luteinizing hormone. III. Relationships between the charge heterogeneity of partially purified subunits and the native hormone

Keel, B. A. & Grotjan, H. E., Jan 1 1987, In : Biology of reproduction. 36, 5, p. 1125-1133 9 p.

Research output: Contribution to journalArticle

Protein Conformation
Anterior Pituitary Gland
Isoelectric Point
Luteinizing Hormone
Gel Chromatography
1 Citation (Scopus)

Stability of rat pituitary gondadotropins during nonreducing sodium dodecyl sulfate-polyacrylamide gel electrophoresis

Keel, B. A. & Grotjan, H. E., Jul 20 1987, In : Archives of Andrology. 17, 3, p. 207-214 8 p.

Research output: Contribution to journalArticle

Sodium Dodecyl Sulfate
Polyacrylamide Gel Electrophoresis
Buffers
Temperature
Running
1986
13 Citations (Scopus)

Correlation between follicle-stimulating hormone, luteinizing hormone, prolactin, and testosterone with sperm cell concentration and motility

Vasquez, J. M., Ben-Nun, I., Greenblatt, R. B., Mahesh, V. B. & Keel, B. A., Jan 1 1986, In : Obstetrics and Gynecology. 67, 1, p. 86-90 5 p.

Research output: Contribution to journalArticle

Follicle Stimulating Hormone
Luteinizing Hormone
Sperm Motility
Prolactin
Cell Movement

Depletion-replenishment of the testicular estrogen receptor: Sensitivity to cycloheximide and actinomycin D

Abney, T. O., Keel, B. A. & Myers, R. B., Jan 1 1986, In : Journal of Steroid Biochemistry. 24, 5, p. 989-995 7 p.

Research output: Contribution to journalArticle

Dactinomycin
Cycloheximide
Estrogen Receptors
Estradiol
Level control
10 Citations (Scopus)

Ion chromatographic method for the analysis of sulfate in complex carbohydrates

Grotjan, H. E., Padrnos-Hicks, P. A. & Keel, B. A., Jan 1 1986, In : Journal of Chromatography A. 367, C, p. 367-375 9 p.

Research output: Contribution to journalArticle

Sulfates
Chromatography
Carbohydrates
Ions
Glycoproteins
1 Citation (Scopus)
Pituitary Gonadotropins
Sodium Dodecyl Sulfate
Polyacrylamide Gel Electrophoresis
Buffers
Temperature
2 Citations (Scopus)

Temporal effects of diethylstilbestrol administration in vivo on testosterone production in leydig cells

Abney, T. O. & Keel, B. A., Jan 1 1986, In : Systems Biology in Reproductive Medicine. 17, 1, p. 79-86 8 p.

Research output: Contribution to journalArticle

Diethylstilbestrol
Leydig Cells
Testosterone
Population
Estrogens
1985
27 Citations (Scopus)

Characterization of rat pituitary luteinizing hormone charge microheterogeneity in male and female rats using chromatofocusing: Effects of castration

Keel, B. A. & Grotjan, H. EDWARD., Jul 1 1985, In : Endocrinology. 117, 1, p. 354-360 7 p.

Research output: Contribution to journalArticle

Pituitary Hormones
Castration
Luteinizing Hormone
Isoelectric Point
10 Citations (Scopus)

Influence of bilateral cryptorchidism on rat pituitary luteinizing hormone charge microheterogeneity

Keel, B. A. & Grotjan, H. E., Jan 1 1985, In : Biology of reproduction. 32, 1, p. 83-89 7 p.

Research output: Contribution to journalArticle

Minimal quantities of FSHβ subunit are released by rat anterior pituitary cells in primary culture

Grotjan, H. E., Berkowitz, A. S. & Keel, B. A., Jan 1 1985, In : Molecular and Cellular Endocrinology. 41, 2-3, p. 205-209 5 p.

Research output: Contribution to journalArticle

Primary Cell Culture
Gonadotropin-Releasing Hormone
Rats
Human Follicle Stimulating Hormone
Radioimmunoassay