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Levels in Medical Products

Ghrelin, Total ELISA Test

Description:... weight gain in rodents (3) and in humans, Ghrelin levels peak prior to each meal and then fall to lower levels immediately upon feeding. In humans, circulating Ghrelin levels are decreased in acute states of positive energy ...
Company:Diagnostic Systems Laboratories, Inc.

Aldosterone RIA Test

Description:... Abnormally high plasma aldosterone levels are observed in primary hyperaldosteronism, in which renin levels are low, blood pressure is elevated and potassium levels are decreased [3,5]. Abnormally high ...
Company:Diagnostic Systems Laboratories, Inc.

SHBG IRMA Test

Description:... progestins, glucocorticoids) serum levels [2]. Abnormal serum SHBG levels have been reported in a number of conditions, ... polycystic ovary disease) [1,2]. Serum SHBG levels are inversely related to free, presumably ...
Company:Diagnostic Systems Laboratories, Inc.

Androstanediol Glucuronide RIA Test

Description:... DHEA-Sulfate and androstenedione. Elevated levels of serum 3alpha-diol G have been reported in ... G may be elevated in the presence of normal levels of other circulating androgens [1,5,6]. Therefore, measurement of serum 3alpha-diol G levels may be useful in the clinical evaluation and ...
Company:Diagnostic Systems Laboratories, Inc.

Androstanediol Glucuronide EIA Test

Description:... DHEA-Sulfate and androstenedione. Elevated levels of serum 3alpha-diol G have been reported in ... G may be elevated in the presence of normal levels of other circulating androgens [1,5,6]. Therefore, measurement of serum 3alpha-diol G levels may be useful in the clinical evaluation and ...
Company:Diagnostic Systems Laboratories, Inc.

IGFBP-1, Total IRMA Test

Description:... phosphorylated IGFBP-1 variants [7,9]. IGFBP-1 levels are inversely related to insulin concentrations ... are not correlated with growth hormone or glucose levels [12,13]. Subsequently, measurement of IGFBP-1 levels may be useful as a marker of insulin action and ...
Company:Diagnostic Systems Laboratories, Inc.

IGFBP-1, Total ELISA Test

Description:... phosphorylated IGFBP-1 variants [7,9]. IGFBP-1 levels are inversely related to insulin concentrations ... are not correlated with growth hormone or glucose levels [12,13]. Subsequently, measurement of IGFBP-1 levels may be useful as a marker of insulin action and ...
Company:Diagnostic Systems Laboratories, Inc.

Androstenedione EIA Test

Description:... testosterone [1]. However, serum androstenedione levels often exceed testosterone in both normal and ... androgen biosynthesis. Elevated androstenedione levels have been demonstrated in virilizing congenital adrenal hyperplasia [4]. Serum androstenedione levels are also increased in polycystic ovary syndrome, ...
Company:Diagnostic Systems Laboratories, Inc.

Androstenedione RIA Test

Description:... testosterone [1]. However, serum androstenedione levels often exceed testosterone in both normal and ... androgen biosynthesis. Elevated androstenedione levels have been demonstrated in virilizing congenital adrenal hyperplasia [4]. Serum androstenedione levels are also increased in polycystic ovary syndrome, ...
Company:Diagnostic Systems Laboratories, Inc.

Inhibin B ELISA Test

Description:... during the early follicular phase, very low levels of inhibin A are found [2]. levels increase dramatically in the late follicular ... mid-luteal phase [2]. During pregnancy, inhibin A levels in maternal serum are considerably higher. ...
Company:Diagnostic Systems Laboratories, Inc.

Inhibin A ELISA Test

Description:... during the early follicular phase, very low levels of inhibin A are found [2]. levels increase dramatically in the late follicular ... mid-luteal phase [2]. During pregnancy, inhibin A levels in maternal serum are considerably higher. ...
Company:Diagnostic Systems Laboratories, Inc.

IGF-II, w/ Extraction IRMA Test

Description:... variability during the day [6,7]. Serum levels of IGF-II are also dependent on GH secretion. IGF-II levels are low in GH deficiency [7], although IGF-II levels may also decrease in GH excess and with exogenous ...
Company:Diagnostic Systems Laboratories, Inc.

IGF-II, w/ Extraction ELISA Test

Description:... variability during the day [6,7]. Serum levels of IGF-II are also dependent on GH secretion. IGF-II levels are low in GH deficiency [7], although IGF-II levels may also decrease in GH excess and with exogenous ...
Company:Diagnostic Systems Laboratories, Inc.

IGF-II, Non-Extraction IRMA Test

Description:... variability during the day [6,7]. Serum levels of IGF-II are also dependent on GH secretion. IGF-II levels are low in GH deficiency [7], although IGF-II levels may also decrease in GH excess and with exogenous ...
Company:Diagnostic Systems Laboratories, Inc.

IGF-II, Non-Extraction ELISA Test

Description:... variability during the day [6,7]. Serum levels of IGF-II are also dependent on GH secretion. IGF-II levels are low in GH deficiency [7], although IGF-II levels may also decrease in GH excess and with exogenous ...
Company:Diagnostic Systems Laboratories, Inc.

Leptin IRMA Test

Description:... of body weight [1-3]. In the human, leptin levels are elevated with increasing adiposity in both ... women [4]. A relationship between serum leptin levels and several measures of adiposity (e.g. body mass ... or percent body fat) demonstrates that leptin levels are elevated even in obese patients. The failure ...
Company:Diagnostic Systems Laboratories, Inc.

Leptin Soluble Receptor ELISA Test

Description:... to increasing fat stores. Increased serum leptin levels signal the brain to stop eating and increase ... term energy balance [4]. Leptin expression and levels are consistently associated with body adiposity and body mass index (BMI) [4]. In humans, leptin levels are elevated with increasing adiposity in both ...
Company:Diagnostic Systems Laboratories, Inc.

Leptin ELISA Test

Description:... of body weight [1-3]. In the human, leptin levels are elevated with increasing adiposity in both ... women [4]. A relationship between serum leptin levels and several measures of adiposity (e.g. body mass ... or percent body fat) demonstrates that leptin levels are elevated even in obese patients. The failure ...
Company:Diagnostic Systems Laboratories, Inc.

MIS/AMH ELISA Test

Description:... embryogenesis and continues throughout life. levels drop following puberty, decreasing slowly to a ... MIS/AMH is maintained at relatively low levels until menopause, at which time MIS/AMH falls again to undetectable levels (as measured by immunoassay). Potential ...
Company:Diagnostic Systems Laboratories, Inc.

Calcitonin IRMA Test

Description:... most evident in conditions associated with high levels of bone remodeling (e.g. in Pagets disease) ... calcium homeostasis. Abnormally elevated levels of calcitonin are characteristic of thyroid ... carcinoma [2,3]. Elevated serum calcitonin levels may also occur in a variety of other ...
Company:Diagnostic Systems Laboratories, Inc.

AFP ELISA Test

Description:... liver and yolk sac [1]. Human fetal serum AFP levels peak at ~14 weeks gestation, and production rates ... by transplacental transfer and thus AFP levels in amniotic fluid and maternal serum generally ... ng/mL in maternal serum. After birth, serum AFP levels decline rapidly during the first year of life and ...
Company:Diagnostic Systems Laboratories, Inc.

DHEA RIA Test

Description:... DHEA is an important androgen as circulating DHEA levels may be several-fold higher than testosterone ... of adrenal androgen synthesis. Abnormally low levels may occur in hypoadrenalism, while elevated levels occur in several conditions including virilizing ...
Company:Diagnostic Systems Laboratories, Inc.

DHEA EIA Test

Description:... DHEA is an important androgen as circulating DHEA levels may be several-fold higher than testosterone ... of adrenal androgen synthesis. Abnormally low levels may occur in hypoadrenalism, while elevated levels occur in several conditions including virilizing ...
Company:Diagnostic Systems Laboratories, Inc.

Testosterone RIA Test

Description:... In prepubertal males, elevated testosterone levels are found in precocious puberty [7] and in ... defects [5]. In adult males, low testosterone levels are associated with various pathological ... In females of all ages, elevated testosterone levels can be associated with a variety of virilizing ...
Company:Diagnostic Systems Laboratories, Inc.

TSH ELISA Test

Description:... regulated at both the pituitary and hypothalamic levels by thyroid hormones. Low levels of thyroid hormones lead to increased TSH secretion and elevated thyroid hormone levels lead to decreased TSH secretion. During human ...
Company:Diagnostic Systems Laboratories, Inc.

TSH IRMA Test

Description:... regulated at both the pituitary and hypothalamic levels by thyroid hormones. Low levels of thyroid hormones lead to increased TSH secretion and elevated thyroid hormone levels lead to decreased TSH secretion. During human ...
Company:Diagnostic Systems Laboratories, Inc.

IGFBP-3 IRMA Test

Description:... (i.e. IGF-I + IGF-II) [1]. In addition, total IGF levels show higher correlation with GH in circulation than either IGF-I or IGF-II levels alone [2]. IGFBP-3 is GH-dependent, however ... either pituitary or hypothalamic origin, IGFBP-3 levels are uniformly low. Blum et al. [3] reported that ...
Company:Diagnostic Systems Laboratories, Inc.

IGFBP-3 ELISA Test

Description:... (i.e. IGF-I + IGF-II) [1]. In addition, total IGF levels show higher correlation with GH in circulation than either IGF-I or IGF-II levels alone [2]. IGFBP-3 is GH-dependent, however ... either pituitary or hypothalamic origin, IGFBP-3 levels are uniformly low. Blum et al. [3] reported that ...
Company:Diagnostic Systems Laboratories, Inc.

Cortisol RIA Test

Description:... in urine in an unbound (free) form. Cortisol levels follow a ACTH-dependent circadian rhythm with peak levels in the early morning and a nadir at night. ... and psychological stress [4,5]. Elevated cortisol levels and lack of diurnal variation have been ...
Company:Diagnostic Systems Laboratories, Inc.

Free IGF-I IRMA Test

Description:... in serum are dependent on age and sex. levels increase from birth through mid-puberty, then decline to relatively stable levels during adult life, with a modest decrease in elderly people. In addition, IGF-I levels remain relatively stable throughout the day ....
Company:Diagnostic Systems Laboratories, Inc.

IGF-I IRMA Test (With Extraction)

Description:... in serum are dependent on age and sex. levels increase from birth through mid-puberty, then decline to relatively stable levels during adult life, with a modest decrease in elderly people. In addition, IGF-I levels remain relatively stable throughout the day ....
Company:Diagnostic Systems Laboratories, Inc.

IGF-I ELISA Test (With Extraction)

Description:... in serum are dependent on age and sex. levels increase from birth through mid-puberty, then decline to relatively stable levels during adult life, with a modest decrease in elderly people. In addition, IGF-I levels remain relatively stable throughout the day ....
Company:Diagnostic Systems Laboratories, Inc.

IGF-I IRMA Test (Non-Extraction)

Description:... in serum are dependent on age and sex. levels increase from birth through mid-puberty, then decline to relatively stable levels during adult life, with a modest decrease in elderly people. In addition, IGF-I levels remain relatively stable throughout the day ....
Company:Diagnostic Systems Laboratories, Inc.

IGF-I ELISA Test (Non-Extraction)

Description:... in serum are dependent on age and sex. levels increase from birth through mid-puberty, then decline to relatively stable levels during adult life, with a modest decrease in elderly people. In addition, IGF-I levels remain relatively stable throughout the day ....
Company:Diagnostic Systems Laboratories, Inc.

Free IGF-I ELISA Test

Description:... in serum are dependent on age and sex. levels increase from birth through mid-puberty, then decline to relatively stable levels during adult life, with a modest decrease in elderly people. In addition, IGF-I levels remain relatively stable throughout the day ....
Company:Diagnostic Systems Laboratories, Inc.

DHEA-S-7 RIA Test

Description:... of adrenal androgen synthesis. Abnormally low levels may occur in have been reported in hypoadrenalism [3], while elevated levels occur in several conditions [2,4], e.g. ... is produced by the gonads, measurement of DHEA-S levels may aid in the localization of androgen source in ...
Company:Diagnostic Systems Laboratories, Inc.

DHEA-S-7 EIA Test

Description:... of adrenal androgen synthesis. Abnormally low levels may occur in have been reported in hypoadrenalism [3], while elevated levels occur in several conditions [2,4], e.g. ... is produced by the gonads, measurement of DHEA-S levels may aid in the localization of androgen source in ...
Company:Diagnostic Systems Laboratories, Inc.

DHEA-S-7 (saliva) EIA Test

Description:... of adrenal androgen synthesis. Abnormally low levels may occur in have been reported in hypoadrenalism [3], while elevated levels occur in several conditions [2,4], e.g. ... is produced by the gonads, measurement of DHEA-S levels may aid in the localization of androgen source in ...
Company:Diagnostic Systems Laboratories, Inc.

DHEA-S RIA Test

Description:... of adrenal androgen synthesis. Abnormally low levels may occur in have been reported in hypoadrenalism [3], while elevated levels occur in several conditions [2,4], e.g. ... is produced by the gonads, measurement of DHEA-S levels may aid in the localization of androgen source in ...
Company:Diagnostic Systems Laboratories, Inc.

FSH ELISA Test

Description:... phase of the menstrual cycle, increased levels of estrogen secreted by the mature follicle exert ... feedback on the pituitary, resulting in low levels of LH and FSH secretion. In men, FSH stimulates ... to stimulate spermatogenesis. Measurement of FSH levels in serum are useful in the diagnosis and ...
Company:Diagnostic Systems Laboratories, Inc.
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