SHBG IRMA Test
Description:... high specificity and low capacity, including
testosterone and dihydrotestosterone (combined 95% bound to ... inversely related to free, presumably bioactive,
testosterone concentrations, and as a result a free
testosterone index based on the ratio of ...
Company:Diagnostic Systems Laboratories, Inc.
Androstenedione EIA Test
Description:... and gonads, is the immediate precursor to both
testosterone and estrone, both of which may be subsequently ... estimated at ~(less than or equal to) 20% of
testosterone [1]. However, serum androstenedione levels often exceed
testosterone in both normal and disease states. Secretion and ...
Company:Diagnostic Systems Laboratories, Inc.
Androstenedione RIA Test
Description:... and gonads, is the immediate precursor to both
testosterone and estrone, both of which may be subsequently ... estimated at ~(less than or equal to) 20% of
testosterone [1]. However, serum androstenedione levels often exceed
testosterone in both normal and disease states. Secretion and ...
Company:Diagnostic Systems Laboratories, Inc.
DHEA RIA Test
Description:... the gonads [1,2,3]. DHEA serves as a precursor in
testosterone and estrogen synthesis, and has relatively weak androgenic activity, estimated at ~10% that of
testosterone [1]. However, in neonates, peripubertal children ... DHEA levels may be several-fold higher than
testosterone concentrations, and rapid peripheral tissue ...
Company:Diagnostic Systems Laboratories, Inc.
DHEA EIA Test
Description:... the gonads [1,2,3]. DHEA serves as a precursor in
testosterone and estrogen synthesis, and has relatively weak androgenic activity, estimated at ~10% that of
testosterone [1]. However, in neonates, peripubertal children ... DHEA levels may be several-fold higher than
testosterone concentrations, and rapid peripheral tissue ...
Company:Diagnostic Systems Laboratories, Inc.
Free Testosterone RIA Test
Description:... Only 1-2% of circulating
testosterone exists as unbound or free testosterone. The ... active, while SHBG effectively inhibits
testosterone action. Measurement of the free or unbound fraction of serum
testosterone has been proposed as a means of estimating the ...
Company:Diagnostic Systems Laboratories, Inc.
Testosterone RIA Test
Description:... secreted androgens [1]. In postpubertal males,
testosterone is secreted primarily by the testes with only a ... it has been estimated that over 50% of serum
testosterone is derived from peripheral conversion of ... with the remainder from direct secretion of
testosterone by these glands [2,3]. The majority of ...
Company:Diagnostic Systems Laboratories, Inc.
DHT RIA Test
Description:... potent naturally occurring androgen produced from
testosterone through the action of cholestenone 5a-reductase ... binding globulin [3].
In fetal life,
testosterone causes virilization of the Wolffian ducts while ... in life presumably due to the natural increase in
testosterone levels [2].
Miller WL: Molecular biology of ...
Company:Diagnostic Systems Laboratories, Inc.
Testosterone EIA kit
Description:... EIA for the quantitative measurement of
testosterone in human serum or plasma. A specific agent displaces
testosterone from binding proteins, making it available for antibody binding.
testosterone then equilibrates with an anti-Testosterone ...
Company:Immunometrics
Testosterone EIA Test
Description:... secreted androgens [1]. In postpubertal males,
testosterone is secreted primarily by the testes with only a ... it has been estimated that over 50% of serum
testosterone is derived from peripheral conversion of ... with the remainder from direct secretion of
testosterone by these glands [2,3]. The majority of ...
Company:Diagnostic Systems Laboratories, Inc.
Free Testosterone EIA Test
Description:... Only 1-2% of circulating
testosterone exists as unbound or free testosterone. The ... active, while SHBG effectively inhibits
testosterone action. Measurement of the free or unbound fraction of serum
testosterone has been proposed as a means of estimating the ...
Company:Diagnostic Systems Laboratories, Inc.
Testosterone EIA Reproductive Markers 020-DR-1559
Description:...
testosterone is the most important androgen secreted into the blood. In males,
testosterone is secreted
primarily by the Leydig cells of the testes; in females ca. 50% of circulating
testosterone is derived from
peripheral conversion of ...
Company:ALPCO Diagnostics
DHEA-S-7 RIA Test
Description:... major C19 steroid secreted by the adrenal cortex, and is a precursor for
testosterone and estrogen biosynthesis. DHEA possesses relatively weak androgenic activity, which for unsulfated DHEA has been estimated at ~10% that of
testosterone [1]. However, the bioactivity of DHEA-S may be increased by its relatively ...
Company:Diagnostic Systems Laboratories, Inc.
DHEA-S-7 EIA Test
Description:... major C19 steroid secreted by the adrenal cortex, and is a precursor for
testosterone and estrogen biosynthesis. DHEA possesses relatively weak androgenic activity, which for unsulfated DHEA has been estimated at ~10% that of
testosterone [1]. However, the bioactivity of DHEA-S may be increased by its relatively ...
Company:Diagnostic Systems Laboratories, Inc.
DHEA-S-7 (saliva) EIA Test
Description:... major C19 steroid secreted by the adrenal cortex, and is a precursor for
testosterone and estrogen biosynthesis. DHEA possesses relatively weak androgenic activity, which for unsulfated DHEA has been estimated at ~10% that of
testosterone [1]. However, the bioactivity of DHEA-S may be increased by its relatively ...
Company:Diagnostic Systems Laboratories, Inc.
DHEA-S RIA Test
Description:... major C19 steroid secreted by the adrenal cortex, and is a precursor for
testosterone and estrogen biosynthesis. DHEA possesses relatively weak androgenic activity, which for unsulfated DHEA has been estimated at ~10% that of
testosterone [1]. However, the bioactivity of DHEA-S may be increased by its relatively ...
Company:Diagnostic Systems Laboratories, Inc.
LH ELISA Test
Description:... in low levels of LH secretion. In men, LH stimulates production of
testosterone by the Leydig cells and acts with FSH and
testosterone to stimulate spermatogenesis. The measurement of LH in serum is useful in ...
Company:Diagnostic Systems Laboratories, Inc.
LH IRMA Test
Description:... in low levels of LH secretion. In men, LH stimulates production of
testosterone by the Leydig cells and acts with FSH and
testosterone to stimulate spermatogenesis. The measurement of LH in serum is useful in ...
Company:Diagnostic Systems Laboratories, Inc.
Testosterone Enzyme Immunoassay Test Kit
Description:... The
testosterone Enzyme Immunoassay is intended for the quantitative determination of
testosterone concentration in human serum. No special pretreatment of the sample is ...
Company:BioCheck, Inc.
Testosterone ELISA
Description:... The
testosterone ELISA is intended for the quantitative determination of
testosterone concentration in human serum. No special pretreatment of the sample is ...
Company:Calbiotech, Inc.
Androstanediol Glucuronide RIA Test
Description:... a major metabolite of dihydrotestosterone (DHT) [1,2]. 3alpha-diol G has strong androgenic activity estimated at 75% of the bioactivity of
testosterone [2]. Serum 3alpha-diol G is the product of intracellular reduction of DHT, and in addition, a significant proportion of serum 3alpha-diol G is ...
Company:Diagnostic Systems Laboratories, Inc.
Androstanediol Glucuronide EIA Test
Description:... a major metabolite of dihydrotestosterone (DHT) [1,2]. 3alpha-diol G has strong androgenic activity estimated at 75% of the bioactivity of
testosterone [2]. Serum 3alpha-diol G is the product of intracellular reduction of DHT, and in addition, a significant proportion of serum 3alpha-diol G is ...
Company:Diagnostic Systems Laboratories, Inc.
FSH ELISA Test
Description:... of LH and FSH secretion. In men, FSH stimulates testicular synthesis of inhibin and androgen binding protein in Sertoli cells, and acts with LH and
testosterone to stimulate spermatogenesis. Measurement of FSH levels in serum are useful in the diagnosis and treatment of pituitary gland and gonadal ...
Company:Diagnostic Systems Laboratories, Inc.
FSH IRMA Test
Description:... of LH and FSH secretion. In men, FSH stimulates testicular synthesis of inhibin and androgen binding protein in Sertoli cells, and acts with LH and
testosterone to stimulate spermatogenesis. Measurement of FSH levels in serum are useful in the diagnosis and treatment of pituitary gland and gonadal ...
Company:Diagnostic Systems Laboratories, Inc.
17a-OH Progesterone RIA Test
Description:... actions of 21-hyroxylase and 11-hyroxylase. In both the adrenal glands and ovaries, 17alpha-OH-P can be converted to androstenedione (a precursor for
testosterone and estradiol), by 17,20-lyase. Measurement of circulating 17alpha-OH-P levels is a standard tool for clinical assessment of 21-hydroxylase ...
Company:Diagnostic Systems Laboratories, Inc.
17a-OH Progesterone EIA Test
Description:... actions of 21-hyroxylase and 11-hyroxylase. In both the adrenal glands and ovaries, 17alpha-OH-P can be converted to androstenedione (a precursor for
testosterone and estradiol), by 17,20-lyase. Measurement of circulating 17alpha-OH-P levels is a standard tool for clinical assessment of 21-hydroxylase ...
Company:Diagnostic Systems Laboratories, Inc.
Testosterone EIA
Description:... DSL-10-49300 is a rapid, direct enzyme immunoassay (EIA) kit that provides materials for the quantitative measurement of
testosterone in saliva. This assay requires no sample extraction or ....
Company:Diagnostic Systems Laboratories, Inc.
Ultra-Sensitive Testosterone EIA
Description:... DSL-10-49200 is a rapid, direct enzyme immunoassay (EIA) kit that provides materials for the quantitative measurement of
testosterone in serum. This kit requires no sample extraction or pretreatment, and produces results in approximately 1 ....
Company:Diagnostic Systems Laboratories, Inc.
Estradiol, Ultra-Sensitive RIA Test
Description:... (E2) is the most potent, naturally secreted estrogen and is the major estrogen produced by the ovary [1]. In the ovary, estradiol is produced from
testosterone [1,2], and from estrone, a less potent estrogen derived from androstenedione. Estrone and estradiol are interconverted in many body tissues. In men, ...
Company:Diagnostic Systems Laboratories, Inc.
Estradiol RIA Test
Description:... (E2) is the most potent, naturally secreted estrogen and is the major estrogen produced by the ovary [1]. In the ovary, estradiol is produced from
testosterone [1,2], and from estrone, a less potent estrogen derived from androstenedione. Estrone and estradiol are interconverted in many body tissues. In men, ...
Company:Diagnostic Systems Laboratories, Inc.
Estradiol EIA Test
Description:... (E2) is the most potent, naturally secreted estrogen and is the major estrogen produced by the ovary [1]. In the ovary, estradiol is produced from
testosterone [1,2], and from estrone, a less potent estrogen derived from androstenedione. Estrone and estradiol are interconverted in many body tissues. In men, ...
Company:Diagnostic Systems Laboratories, Inc.
3rd Generation Estradiol RIA Test
Description:... (E2) is the most potent, naturally secreted estrogen and is the major estrogen produced by the ovary [1]. In the ovary, estradiol is produced from
testosterone [1,2], and from estrone, a less potent estrogen derived from androstenedione. Estrone and estradiol are interconverted in many body tissues. In men, ...
Company:Diagnostic Systems Laboratories, Inc.