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Sex Hormone Binding Globulin -SHBG
Parameters : 1
Also known as : Sex Hormone Binding Globulin -SHBG
EXCLUSIVE PRICE
2500
Report Delivery
1 Day
Free Sample Collection
Bookings above 500
Pre - Instruction
No preparation required.
Covid Safety
Assured
Test Details
Test Code BOBT00484
Test Category Individual Test
Sample Type Blood
Details of Sex Hormone Binding Globulin -SHBG
What is Sex Hormone Binding Globulin -SHBG?
Diagnosis and follow-up of women with symptoms or signs of androgen excess (eg, polycystic ovarian syndrome and idiopathic hirsutism)
  • An adjunct in monitoring sex-steroid and antiandrogen therapy
  • An adjunct in the diagnosis of disorders of puberty
  • An adjunct in the diagnosis and follow-up of anorexia nervosa
  • An adjunct in the diagnosis of thyrotoxicosis (tissue marker of thyroid hormone excess)
A possible adjunct in the diagnosis and follow-up of insulin resistance and cardiovascular and type 2 diabetes risk assessment, particularly in women
Clinical Information
Sex hormone-binding globulin (SHBG), a 95 KDa homodimer, is the blood transport protein for testosterone and estradiol. SHBG is mainly produced in the liver and has a half-life of approximately seven days. SHBG binds reversibly to sex steroids. SHBG has a relatively high binding affinity to dihydrotestosterone (DHT), medium affinity to testosterone and estradiol, and exhibits a low affinity to estrone, dehydroepiandrosterone (DHEA), androstenedione, and estriol. Albumin, which exists at physiologically higher concentrations than SHBG, also binds to sex steroids although with a much lower binding affinity (eg, about 100 times lower for testosterone).

Decreased SHBG serum concentrations are associated with conditions in which elevated androgen concentrations are present or the effect of androgen on its target organs is excessive. Because of the high binding affinity of SHBG to DHT, as compared to estradiol, SHBG has profound effects on the balance between bioavailable androgens and estrogens. Increased SHBG concentrations may be associated with symptoms and signs of hypogonadism in men, while decreased concentrations can result in androgenization in women. SHBG is also regulated by insulin, and a low SHBG concentration often indicates insulin resistance and, consequently, may be a predictor of type 2 diabetes.

Endogenous or exogenous thyroid hormones or estrogens increase SHBG concentrations. In men, there is also an age-related gradual rise, possibly secondary to the mild age-related fall in testosterone production. This process can result in bioavailable testosterone concentrations that are much lower than would be expected based on total testosterone measurements alone.
Routine Tests
Sex Hormone Binding Globulin -SHBG
Parameters : 1
Also known as : Sex Hormone Binding Globulin -SHBG
EXCLUSIVE PRICE
2500
Report Delivery
1 Day
Free Sample Collection
Bookings above 500
Pre - Instruction
No preparation required.
Covid Safety
Assured
Test Details
Test Code BOBT00484
Test Category Individual Test
Sample Type Blood
Details of Sex Hormone Binding Globulin -SHBG
What is Sex Hormone Binding Globulin -SHBG?
Diagnosis and follow-up of women with symptoms or signs of androgen excess (eg, polycystic ovarian syndrome and idiopathic hirsutism)
  • An adjunct in monitoring sex-steroid and antiandrogen therapy
  • An adjunct in the diagnosis of disorders of puberty
  • An adjunct in the diagnosis and follow-up of anorexia nervosa
  • An adjunct in the diagnosis of thyrotoxicosis (tissue marker of thyroid hormone excess)
A possible adjunct in the diagnosis and follow-up of insulin resistance and cardiovascular and type 2 diabetes risk assessment, particularly in women
Clinical Information
Sex hormone-binding globulin (SHBG), a 95 KDa homodimer, is the blood transport protein for testosterone and estradiol. SHBG is mainly produced in the liver and has a half-life of approximately seven days. SHBG binds reversibly to sex steroids. SHBG has a relatively high binding affinity to dihydrotestosterone (DHT), medium affinity to testosterone and estradiol, and exhibits a low affinity to estrone, dehydroepiandrosterone (DHEA), androstenedione, and estriol. Albumin, which exists at physiologically higher concentrations than SHBG, also binds to sex steroids although with a much lower binding affinity (eg, about 100 times lower for testosterone).

Decreased SHBG serum concentrations are associated with conditions in which elevated androgen concentrations are present or the effect of androgen on its target organs is excessive. Because of the high binding affinity of SHBG to DHT, as compared to estradiol, SHBG has profound effects on the balance between bioavailable androgens and estrogens. Increased SHBG concentrations may be associated with symptoms and signs of hypogonadism in men, while decreased concentrations can result in androgenization in women. SHBG is also regulated by insulin, and a low SHBG concentration often indicates insulin resistance and, consequently, may be a predictor of type 2 diabetes.

Endogenous or exogenous thyroid hormones or estrogens increase SHBG concentrations. In men, there is also an age-related gradual rise, possibly secondary to the mild age-related fall in testosterone production. This process can result in bioavailable testosterone concentrations that are much lower than would be expected based on total testosterone measurements alone.
 

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