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Topic: Thyroid-stimulating hormone



  
 Rethinking the TSH Test: An Interview with David Derry, M.D., Ph.D.
The History of Thyroid Testing, Why the TSH Test Needs to Be Abandoned, and the Return to Symptoms-Based Thyroid Diagnosis and Treatment -- Articles / FAQs
David Derry: For many years the literature (before the TSH) supported the fact that if your symptoms responded to thyroid hormone you were low thyroid but especially if when you took the person off the thyroid and their symptoms returned.
However as the TSH was so sensitive to orally-given thyroid hormone it meant literally everyone was going to end up with a low dose by comparison with previous doses.
The main ingredient of thyroid hormone, which distinguishes it from other molecules of similar size (molecular size), was the element which made thyroid hormone namely iodine.
http://www.thyroid-info.com/articles/david-derry.htm   (4245 words)

  
 TSH Test (Thyroid Stimulating Hormone)
TSH (thyroid stimulating hormone) is a chemical substance produced by the pituitary gland that stimulates the thyroid gland to synthesize and release its own hormones into the bloodstream.
Thyroid hormones control metabolism and organ function, directly affecting weight loss or gain, energy levels, skin condition, memory, heart rate, cholesterol levels, menstrual regularity, memory as well as many other functions.
When not enough thyroid hormone is produced, a condition called hypothyroidism will result, often referred to as an underactive thyroid.
http://www.healthworks2000.com/THSTest.htm   (1549 words)

  
 TSH: The Test
Many medications — including aspirin and thyroid-hormone replacement therapy — may affect thyroid gland function test results, so tell your doctor about any drugs you are taking.
A high TSH value can also occur when patients with a known thyroid disorder (or those who have had their thyroid gland removed) are receiving too little thyroid hormone medication.
monitor thyroid replacement therapy in people with hypothyroidism
http://www.labtestsonline.org/understanding/analytes/tsh/test.html   (629 words)

  
 Thyrostimulin, a heterodimer of two new human glycoprotein hormone subunits, activates the thyroid-stimulating hormone receptor -- Nakabayashi et al. 109 (11): 1445 -- Journal of Clinical Investigation
of glycoprotein hormone receptors, the A2/B5 heterodimer was
Kudo, M., Osuga, Y., Kobilka, B.K., and Hsueh, A.J. Transmembrane regions V and VI of the human luteinizing hormone receptor are required for constitutive activation by a mutation in the third intracellular loop.
For the in vivo TSH bioassay, 50-day-old male rats were given
http://www.jci.org/cgi/content/full/109/11/1445   (4753 words)

  
 Thyroid-Stimulating Hormone and Thyroid-Stimulating Hormone Receptor Structure-Function Relationships -- Szkudlinski et al. 82 (2): 473 -- Physiological Reviews
hormones, thyroid development was arrested in late gestation (93).
in the course of thyroid autoimmune disorders (153).
TSH is a member of the glycoprotein hormone family (155), structurally classified as part of the CKGF superfamily of structurally
http://physrev.physiology.org/cgi/content/full/82/2/473   (8299 words)

  
 Thyroid-Stimulating Hormone (TSH)
This treatment may include antithyroid medications, surgery, or radiation therapy.
Monitor treatment with thyroid replacement medications for people who have hypothyroidism.
TSH levels can help determine whether hypothyroidism is due to a damaged thyroid gland or some other cause (such as a problem with the pituitary gland or the hypothalamus).
http://my.webmd.com/hw/health_guide_atoz/hw28656.asp   (1084 words)

  
 Thyroid-Stimulating Hormone (TSH)
Among possible problems are the recovery phase of nonthyroidal illness, states of resistance to thyroid hormone, thyrotropin-producing tumors, thyroid status in acute psychiatric illness, early in thyrotoxicosis and in subacute thyroiditis.
TSH levels have been elevated or inappropriately detectable for high thyroid hormone levels in some patients with thyrotropin-secreting pituitary adenomas.
Evaluation of therapy in hypothyroid patients, receiving various thyroid hormone preparations: low values are found in states of excessive thyroid replacement.
http://www.labcorp.com/datasets/labcorp/html/chapter/mono/ri010700.htm   (914 words)

  
 Hypothyroidism – Diagnosis
A normal range TSH indicates that the hypothalamus senses a normal amount of thyroid hormone and is stimulating the thyroid to continue making and releasing thyroid hormone at the same rate.
The TSH measurement is of fundamental importance since it reflects the sufficiency of the brain’s supply of thyroid hormone.
If there is a sustained favorable response without any evidence of clinical hyperthyroidism, long-term replacement therapy may be justified.
http://www.armourthyroid.com/hypothyroidism/diagnosis.html   (813 words)

  
 Adult Health Advisor 2005.2: Thyroid-Stimulating Hormone (TSH) Test
When your thyroid gland is underactive and not producing enough thyroid hormone, your body produces more TSH to stimulate the gland and increase its activity.
You had an overactive thyroid gland that was removed or destroyed and you are not taking enough replacement thyroid hormone.
When your thyroid gland is overactive and producing too much thyroid hormone, your body decreases the amount of TSH to slow production of thyroid hormone.
http://www.med.umich.edu/1libr/aha/aha_thystiho_crs.htm   (608 words)

  
 Measurement of Thyroid-stimulating Hormone Receptor Autoantibodies by ELISA -- Bolton et al. 45 (12): 2285 -- Clinical Chemistry
Novel insights into the molecular mechanisms of human thyrotropin action: structural, physiological, and therapeutic implications for the glycoprotein hormone family.
and having a much higher biological activity than human TSH (6)].
was positive by bioassay (285% stimulation; positive = greater
http://www.clinchem.org/cgi/content/full/45/12/2285   (1326 words)

  
 Thyroid Deficiency: Online Reference For Health Concerns
Even when all other hormones are normal, a low level of trans-thyretrin could mean that you are not producing enough thyroid hormones and that it is not being delivered to the cells.
PTH increases blood calcium levels as needed by stimulating bone breakdown.
Schmidt's syndrome refers to hypothyroidism with other endocrine disorders, including Addison's disease (adrenal insufficiency), hypoparathyroidism, and diabetes mellitus, all of which may be autoimmune in nature.
http://www.lef.org/protocols/prtcl-104.shtml   (2148 words)

  
 Thyroid-stimulating Hormone Levels in Children from Chernobyl
This preliminary study assesses thyroid function in immigrants who were children (0 to 16 years of age) at the time of the Chernobyl accident and reports on preliminary results of assessments of thyroid-stimulating hormone (TSH) serum levels in these young people.
Hence, elevated TSH in a population group could be a marker for prior exposure of the thyroid to environmental radioiodine.
Therefore we present these preliminary results anticipating that large-scale studies in FSU countries may be able to test the hypothesis with larger numbers of subjects from radiocontaminated areas.
http://ehp.niehs.nih.gov/members/1997/Suppl-6/quastel-full.html   (1428 words)

  
 How Your Thyroid Works
Thyroid cells are the only cells in the body which can absorb iodine.
One might imagine the hypothalamus as the person who regulates the thermostat since it tells the pituitary gland at what level the thyroid should be set.
Your thyroid gland is a small gland, normally weighing less than one ounce, located in the front of the neck.
http://www.endocrineweb.com/thyfunction.html   (473 words)

  
 MedlinePlus Medical Encyclopedia: TSH
TSH subsequently stimulates the thyroid to produce thyroid hormone, T3 and T4.
Drugs that can affect TSH measurements include: antithyroid medications, lithium, potassium iodide, amiodarone, dopamine and prednisone.
If you are being treated for a thyroid disorder, your TSH should be between 0.3 and 3.0 mIU/L. This means that you are being treated appropriately.
http://www.nlm.nih.gov/medlineplus/ency/article/003684.htm   (713 words)

  
 Buy Biosafe Laboratory Test, TSH - Thyroid Stimulating Hormone Thyroid Test Online at drugstore.com
Biosafe's Thyroid Test measures the level of TSH (Thyroid Stimulating Hormone) in the blood.
This test will help you and your healthcare provider identify and/or monitor an underactive or overactive thyroid condition.
12 million Americans are currently being treated for thyroid dysfunction with as many as 25 million more who have an undiagnosed thyroid condition.
http://www.drugstore.com/product.asp?pid=74716   (341 words)

  
 JAMA -- Hyperthyroidism, July 6, 2005, Torpy et al. 294 (1): 146
RELATED ARTICLES IN Thyroid Function and Mortality in Patients Treated for Hyperthyroidism
thyroid), exposure to iodine in medications or x-ray dyes, and
The thyroid gland is located at the base of the neck, in front
http://jama.ama-assn.org/cgi/content/full/294/1/146   (360 words)

  
 Benchmark Calculations for Perchlorate from Three Human Cohorts
The presence of low concentrations of perchlorate in some drinking water sources has led to concern regarding potential effects on the thyroid.
In a recently published report, the National Academy of Sciences indicated that the perchlorate dose required to cause hypothyroidism in adults would probably be > 0.40 mg/kg-day for months or longer.
Corresponding estimates from the short-term clinical study were within these ranges.
http://ehp.niehs.nih.gov/docs/2005/7814/abstract.html   (441 words)

  
 ☞ history - thyroid stimulating hormone tsh history
Starware also provides related listings for thyroid stimulating hormone tsh history
Starware search is an excellent resource for quality sites on thyroid stimulating hormone tsh history and much more!
Welcome to one of the biggest history sites on the Internet - with thousands of pages of information on history, thyroid stimulating hormone tsh history and much more!
http://www.allofhistory.com/thyroid-stimulating-hormone-tsh-history.html   (363 words)

  
 Hormones of the Pituitary
stimulated by the arrival of thyrotropin releasing hormone (TRH) from the hypothalamus.
Synthesis and release of FSH is triggered by the arrival from the hypothalamus of gonadotropin-releasing hormone (GnRH).
The GH-secreting cells are stimulated to synthesize and release GH by the intermittent arrival of growth hormone releasing hormone (GHRH) from the hypothalamus.
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/Pituitary.html   (1333 words)

  
 The Thyroid Gland: A General Introduction thyroid disease goitre goiter iodine hormones
Goitre does not always indicate a disease, since thyroid enlargement can also be caused by physiological conditions such as puberty and pregnancy.
These hormones are essential for life and have many effects on body metabolism, growth, and development.
In Hashimoto's thyroiditis, the goitre is caused by an accumulation of white blood cells and fluid (inflammation) in the thyroid gland.
http://www.thyroid.ca/Guides/HG01.html   (987 words)

  
 thyroid-stimulating hormone on Encyclopedia.com
A longitudinal assessment of thyroid hormone concentrations in preterm infants younger than 30 weeks' gestation during the first 2 weeks of life and their relationship to outcome.
Involvement of Thyroid Hormones in the Effect of Intracerebroventricular Leptin Infusion on Uncoupling Protein-3 Expression in Rat Muscle.
http://www.encyclopedia.com/html/X/X-thyroids.asp   (282 words)

  
 Thyroid Stimulating Hormone
TSH also increases the transcription of mRNA for thyroglobulin and thyroidal peroxidase (TPO), and increases the formation and activity of lysosomes which will hydrolyze the iodinated thyroglobulin to form thyroid hormones.
It is similar to the alpha subunit of follicle-stimulating hormone, luteinizing hormone and human chorionic gonadotropin.
Glycosylation seems to increase the biological activity and the breakdown rate of the hormone.
http://macromolonline.8m.com/endo/hormones/tsh.htm   (486 words)

  
 Thyroid Stimulating Hormone (TSH)
For diagnostic purposes, the TSH findings should always be assessed in conjunction with the patient's medical history, clinical examination and other findings.
Samples which are part of a TRH stimulation test should be clearly identified as such.
No interference was observed from rheumatoid factor (up to 3250 U/ml) and samples from dialysis patients.
http://www.medicine.uiowa.edu/path_handbook/rhandbook/test1827.html   (298 words)

  
 NodeWorks - Encyclopedia: Thyroid hormone
The thyroid hormones are essential to proper development and differentiation of all cells of human body.
The thyroid hormones, thyroxine (T4) and triiodothyronine (T3), are tyrosine-based hormones produced by the thyroid gland.
Thyrotoxicosis or hyperthyroidism is the clinical syndrome caused by an excess of circulating free thyroxine, free triiodothyronine, or both.
http://pedia.nodeworks.com/T/TH/THY/Thyroid_hormone   (490 words)

  
 THYROID STIMULATING HORMONE
Thyroid (thi-roid) stimulating hormone (TSH) is found in the blood.
If you are taking thyroid medicines, this test may be needed to see how the medicines are working.
A hormone is a substance made by one organ in your body.
http://www.medformation.com/ac/mm_qdis.nsf/qd/nd7014g.htm   (510 words)

  
 Low thyroid-stimulating hormone as an independent risk factor for Alzheimer disease -- van Osch et al. 62 (11): 1967 -- Neurology
Low thyroid-stimulating hormone as an independent risk factor for Alzheimer disease -- van Osch et al.
Low thyroid-stimulating hormone as an independent risk factor for Alzheimer disease
hormone (TSH) levels, vascular risk factors, and Alzheimer disease
http://www.neurology.org/cgi/content/abstract/62/11/1967   (223 words)

  
 Thyroid-stimulating hormone - Freepedia
Thyroid-stimulating hormone (also known as TSH or thyrotropin) is a hormone produced by thyrotropes in the anterior pituitary gland which controls the endocrine function of the thyroid gland.
The thyroid-stimulating hormone test measures the amount of TSH in the blood, to see if the thyroid gland is overactive or underactive.
Higher than normal levels of TSH may indicate congenital hypothyroidism (cretinism), hypothyroidism or thyroid hormone resistance.
http://en.freepedia.org/TSH.html   (142 words)

  
 The Kelly G. Ripken Program - Free Thyroid Screening
Almost all patients with an underactive thyroid (hypothyroidism) or overactive thyroid (hyperthyroidism) can be diagnosed with a simple blood test, thyroid stimulating hormone, TSH.
The pituitary gland in the brain monitors the levels of thyroid hormone in the bloodstream.
TSH is released from the pituitary and stimulates the thyroid gland to liberate thyroid hormones.
http://thyroid-ripken.med.jhu.edu/testing   (104 words)

  
 Thyroid stimulating hormone definition - Thyroid: health and medical information about Thyroid Disease, Hypothyroidism, Hyperthyroidism and Thyroid Disease
Thyroid stimulating hormone: A hormone produced by the pituitary gland at the base of the brain in response to signals from the hypothalamus gland in the brain.
Thyroid stimulating hormone definition - Thyroid: health and medical information about Thyroid Disease, Hypothyroidism, Hyperthyroidism and Thyroid Disease
Thyroid stimulating hormone (TSH) promotes the growth of the thyroid gland in the neck and stimulates it to produce more thyroid hormones.
http://www.medterms.com/script/main/art.asp?articlekey=5781   (292 words)

  
 TSH: At a Glance
Otherwise: when a patient has symptoms of hyper- or hypothyroidism and/or an enlarged thyroid
To screen for and help diagnose thyroid disorders; to monitor treatment of hypothyroidism and hyperthyroidism
For screening: There is no consensus within the medical community as to at what age adult screening should begin or whether it should even be done; however, newborn screening is widely recommended.
http://www.labtestsonline.org/understanding/analytes/tsh/glance.html   (120 words)

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