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Topic: Antimullerian hormone


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In the News (Mon 28 May 12)

  
  Hormone - Biocrawler   (Site not responding. Last check: 2007-10-14)
The function of hormones is to serve as a signal to the target cells; the action of hormones is determined by the pattern of secretion and the signal transduction of the receiving tissue.
Hormone actions vary widely, but can include stimulation or inhibition of growth, induction or suppression of apoptosis (programmed cell death), activation or inhibition of the immune system, regulating metabolism and preparation for a new activity (e.g.
Amine-derived hormones are derivatives of the amino acids tyrosine and tryptophan.
www.biocrawler.com /encyclopedia/Hormone   (762 words)

  
 Hormone - Wikipedia, the free encyclopedia
Hormone molecules are secreted (released) directly into the bloodstream; some hormones, called ectohormones, are not secreted into the blood stream, they move by circulation or diffusion to their target cells, which may be nearby cells (paracrine action) in the same tissue or cells of a distant organ of the body.
The interaction of the hormone and the receptor typically triggers a cascade of secondary effects within the cytoplasm of the cell, often involving phosphorylation or dephosphorylation of proteins, changes in ion channels, or increased amounts of an intracellular molecule that serves as a second messenger (e.g., cyclic AMP).
A recently-identified class of hormones is that of the "hunger hormones" - ghrelin, orexin and PYY 3-36 - and "satiety hormones" - e.g., leptin, obestatin, nesfatin-1.
en.wikipedia.org /wiki/Hormone   (1102 words)

  
 Hormone Information Center - hormone replacement therapy
The function of hormones is to serve symptoms of hormone imbalance as a signal to the target cells; the action of hormones is determined by the pattern of secretion and the human growth hormone supplements signal transduction of the receiving tissue.
Hormone hgh hormone actions vary widely, but can include growth hormone stimulation or inhibition of growth, induction or suppression of apoptosis (programmed cell death), activation or inhibition of the immune system, regulating metabolism and preparation for a new activity (e.g.
A recently identified and studied class of hgh human human growth hormone therapy growth hormone hormones is that of the "Hunger Hormones" - ghrelin, orexin and PYY 3-36 - and their antagonists hormone - e.g.
www.scipeeps.com /Sci-Biochemistry_Topics_G_-_H/Hormone.html   (1048 words)

  
 Hormone
Hormone molecules are secreted (released) directly into the bloodstream; however, some hormones, called ectohormones, are secreted to the outside environment.
Hormone actions vary widely, but can include stimulation or inhibition of growth, induction or suppression of apoptosis (programmed cell death), activation or inhibition of the immune system, regulating metabolism and preparation for a new activity (e.g., fighting, fleeing, mating) or phase of life (e.g., puberty, caring for offspring, menopause).
A recently-identified class of hormones is that of the "Hunger Hormones" - ghrelin, orexin and PYY 3-36 - and "Satiety hormones" - e.g., leptin, obestatin.
www.humanhealthsolutions.com /articles/hormone.htm   (934 words)

  
 effects of human growth hormone resource page - effects of human growth hormones on breast cancer
For example: thyroid-stimulating hormone (TSH) causes growth and effects of human growth hormones on breast cancer increased activity of another endocrine gland - the side effects of human growth hormone thyroid - hence increasing output of thyroid hormones.
The most commonly prescribed hormones are estrogens and progestagens (in the contraceptive pill and as HRT), thyroxine (as levothyroxine, for hypothyroidism) and steroids (for autoimmune diseases and several effects of human growth hormone respiratory disorders).
Current North American and international usage is estrogen, gonadotropin, side effects of human growth hormones while British usage retains the Greek diphthong in oestrogen and the unvoiced aspirant h in gonadotrophin.
www.globalcpr.com /hlth/effects_of_human_growth_hormone.html   (953 words)

  
 Hypogonadism Encyclopedia Article @ Stooped.net   (Site not responding. Last check: 2007-10-14)
The gonads have two functions: to produce hormones (testosterone, estradiol, antimullerian hormone, progesterone, inhibin B), activin and to produce gametes (eggs or sperm).
The term hypogonadism is usually applied to permanent rather than transient or reversible defects, and usually implies deficiency of reproductive hormones, with or without fertility defects.
Examples of hypogonadism that affect hormone production more than fertility are hypopituitarism and Kallmann syndrome; in both cases fertility is reduced until hormones are replaced but can be achieved solely with hormone replacement.
www.stooped.net /encyclopedia/Hypogonadism   (580 words)

  
 Hormone - Bvio   (Site not responding. Last check: 2007-10-14)
==Structure== Vertebrate hormones fall into four chemical classes: #Amine-derived hormones are derivatives of the amino acids tyrosine and tryptophan.
Hormone secretion can be stimulated and inhibited by: *Other hormones (''stimulating'' or ''releasing''-hormones) *Plasma concentrations of ions or nutrients, as well as binding globulins *Neurons and mental activity *Environmental changes, e.g.
of light or temperature ==Pharmacology== A large number of hormones is used as medication.
bvio.com /Bvio/index.php/Hormone   (687 words)

  
 Hormone --Biotechnology Encyclopedia
The function of hormones is to serve as a signal to the target cells; the action of hormones is determined by the pattern of secretion and the
endocrine glands and their hormone products are specialized to serve regulation on the overall organism level, but can in many instances be used in other ways or only on the tissue level.
A recently identified and studied class of hormones is that of the "Hunger Hormones" -
www.edinformatics.com /biotechnology/hormone.htm   (479 words)

  
 women's sexual anatomy   (Site not responding. Last check: 2007-10-14)
The development of human sexual organs is dependant on both a genetic component and exposure of the fetus in its developmental stages to the appropriate hormones.
Antimullerian hormone is synthesized by Sertoli cells after the testes begin to differentiate.
In the absence of this hormone, the fetus develops fallopian tubes, a uterus, and the upper portion of the vagina.
www.seekwellness.com /womensexuality/anatomy.htm   (1705 words)

  
 Hormone - Gurupedia
The best known hormones are those produced by endocrine glands of
Hormone actions vary widely, but can include stimulation or inhibition of growth, induction or suppression of apoptosis (programmed cell death), activation or inhibition of the immune system, regulating
The most commonly prescribed hormones are oestrogens and
www.gurupedia.com /h/ho/hormone.htm   (660 words)

  
 Hypogonadism - causes of hypogonadism
The gonads have two functions: to produce hormones (testosterone, estradiol, male hypogonadism antimullerian hormone, hypogonadism antipsychotics hypogonadism for men hypogonadism progesterone, inhibin B), activin and to produce gametes (eggs or sperm).
The term hypogonadism is usually applied to permanent rather than transient or reversible defects, and usually implies deficiency of reproductive what type of doctor treat hypogonadism hormones, with or without fertility defects.
Hypogonadism is also categorized by endocrinologists by the level of the reproductive system which anadrol for hypogonadism in male hypogonadism is defective.
www.medicalgeo.com /Med-Diseases-Ho---Hy/Hypogonadism.html   (525 words)

  
 Swyer syndrome - Wikipedia, the free encyclopedia
Without testes, no testosterone or antimullerian hormone are produced.
As girls' ovaries produce no important body changes before puberty, there is usually no suspicion of a defect of the reproductive system until puberty fails to occur.
Because of the inability of the streak gonads to produce sex hormones (both estrogens and androgens), most of the secondary sex characteristics do not develop.
en.wikipedia.org /wiki/XY_Female   (813 words)

  
 Proximal cis-Acting Elements, Including Steroidogenic Factor 1, Mediate the Efficiency of a Distal Enhancer in the ...
Bauer-Dantoin A, Jameson JL 1995 Gonadotropin- releasing hormone receptor messenger ribonucleic acid expression in the ovary during the rat estrous cycle.
Albarracin CT, Kaiser UB, Chin WW 1994 Isolation and characterization of the 5'-flanking region of the mouse gonadotropin-releasing hormone receptor gene.
Norwitz ER, Cardona GR, Jeong KH, Chin WW 1999 Identification and characterization of the gonadotropin-releasing hormone response elements in the mouse gonadotropin-releasing hormone receptor gene.
mend.endojournals.org /cgi/content/full/15/2/319   (8976 words)

  
 Sexual differentiation of the vertebrate nervous system - Nature Neuroscience   (Site not responding. Last check: 2007-10-14)
Two of these masculinizing testicular hormones are antimullerian hormone, a protein that suppresses female reproductive tract development, and testosterone, a steroid that promotes development of the male reproductive tract and masculine external genitalia.
But the commonality in all of these systems is that a single hormonal signal, testosterone, induces the central nervous system to take on a male phenotype—in the absence of testosterone, the nervous system differentiates as a female.
Konishi, M. and Akutagawa, E. Hormonal control of cell death in a sexually dimorphic song nucleus in the zebra finch.
www.nature.com /neuro/journal/v7/n10/full/nn1325.html   (5487 words)

  
 hormones - hormone
By Jodi Mailander Farrell, The Miami Herald Oct. 15--In the 15 years that he's been a certified massage therapist in South Florida, Tom Oakley has built an impressive word-of-mouth business.
Lisa Abeyta: Devilish hormones tempt my taste buds
The plan is for nature to protect mothers when a famine sets it, never mind that a woman hasn't died in the United States from starvation in quite some time.
www.clinicalmojo.com /Allergies/hormones.php   (985 words)

  
 Alteration of Activation, Growth, and Atresia of Bovine Preantral Follicles by Long-Term Treatment of Cows with ...   (Site not responding. Last check: 2007-10-14)
Growth hormone suppression of apoptosis in preovulatory rat follicles and partial neutralization by insulin-like growth factor binding protein.
Anti-mullerian hormone and anti-mullerian hormone type II receptor messenger ribonucleic acid expression in rat ovaries during postnatal development, the estrous cycle, and gonadotropin-induced follicle growth.
Effects of growth hormone and pregnancy on expression of growth hormone receptor, insulin-like growth factor-I, and insulin-like growth factor binding protein-2 and -3 genes in bovine uterus, ovary, and oviduct.
www.biolreprod.org /cgi/content/full/65/2/581   (4015 words)

  
 Antimullerian hormone (via CobWeb/3.1 planetlab-01.bu.edu)   (Site not responding. Last check: 2007-10-14)
'''Antimullerian hormone''' is a protein hormone produced by human and other mammalian gonads.
In males, produced by fetal testes prevents the development of the mullerian ducts into the uterus and other mullerian structures.
The gene for AMH is AMH, on chromosome 19p13.3.AMH is a dimeric glycoprotein member of the transforming growth factor-β (TGF-β) family of protein hormones.
antimullerian-hormone.kiwiki.homeip.net.cob-web.org:8888   (523 words)

  
 Mullerian agenesis: an update -- Lindenman et al. 90 (2): 307 -- Obstetrics & Gynecology
Recently, many advances have been made in the study of sexual differentiation, including the discoveries of the gene for antimullerian hormone as well as the gene for its receptor.
We hypothesize that activating mutations of either the antimullerian hormone gene or its receptor gene may cause mullerian duct regression in a genetic female during embryogenesis.
This clinical commentary discusses the current management of the syndrome including the Abbe-McIndoe procedure, the most commonly used method of surgical correction, and the Frank vaginal dilation method, the most common nonsurgical method of correction.
www.greenjournal.org /cgi/content/abstract/90/2/307   (202 words)

  
 Congenital adrenal hyperplasia due to 21-hydroxylase deficiency - Wikipedia, the free encyclopedia
Inside the pelvis, the ovaries are normal and since they have not been exposed to testicular antimullerian hormone, the uterus, fallopian tubes, upper vagina, and other mullerian structures are normally formed as well.
If this has begun, it may be advantageous to suppress puberty with a gonadotropin-releasing hormone agonist such as leuprolide to slow continuing bone maturation.
Continued monitoring of hormone balance and careful readjustment of glucocorticoid dose can usually restore fertility, but as a group, women with CAH have a lower fertility rate than a comparable population.
en.wikipedia.org /wiki/21-hydroxylase_deficiency   (4892 words)

  
 WSOCTV.com - Health - Female Infertility
Imbalance of hormones, pituitary tumors, excessive body weight or severe underweight can cause problems with the release of a healthy egg.
The blood test, which measures levels of AMH, or antimullerian hormone, appears to be an indicator of ovarian reserve, or the number of follicles that are capable of maturing into eggs.
He recommends using the test in conjunction with current assessments of fertility, factoring in age and using ultrasound to count the number of eggs in the ovary and measurements of reproductive hormones.
www.wsoctv.com /health/9902100/detail.html   (941 words)

  
 A Common Single Nucleotide Polymorphism in Exon 10 of the Human Follicle Stimulating Hormone Receptor Is a Major ...
A Common Single Nucleotide Polymorphism in Exon 10 of the Human Follicle Stimulating Hormone Receptor Is a Major Determinant of Length and Hormonal Dynamics of the Menstrual Cycle -- Greb et al.
A Common Single Nucleotide Polymorphism in Exon 10 of the Human Follicle Stimulating Hormone Receptor Is a Major Determinant of Length and Hormonal Dynamics of the Menstrual Cycle
Schipper I, Hop WCJ, Fauser BCJM 1998 The follicle-stimulating hormone (FSH) threshold/window concept examined by different interventions with exogenous FSH during the follicular phase of the normal menstrual cycle: duration, rather than magnitude, of FSH increase affects follicle development.
jcem.endojournals.org /cgi/content/full/90/8/4866   (4469 words)

  
 Serum anti-Mullerian hormone is more strongly related to ovarian follicular status than serum inhibin B, estradiol, FSH ...   (Site not responding. Last check: 2007-10-14)
Serum anti-Mullerian hormone is more strongly related to ovarian follicular status than serum inhibin B, estradiol, FSH and LH on day 3 -- Fanchin et al.
Baarends, W.M., Uilenbroek, J.T., Kramer, P., Hoogerbrugge, J.W., van Leeuwen, E.C., Themmen, A.P. and Grootegoed, J.A. (1995) Anti-mullerian hormone and anti-mullerian hormone type II receptor messenger ribonucleic acid expression in rat ovaries during postnatal development, the estrous cycle, and gonadotropin-induced follicle growth.
Rajpert-De Meyts, E., Jorgensen, N., Graem, N., Muller, J., Cate, R.L. and Skakkebaek, N.E. (1999) Expression of anti-Mullerian hormone during normal and pathological gonadal development: association with differentiation of Sertoli and granulosa cells.
humrep.oxfordjournals.org /cgi/content/full/18/2/323   (4202 words)

  
 Basics
Testosterone influences the persistence and differentiation of the male mesonephric (wolffian) duct system and anti-mulliarian hormone influences regression of the female paramesonephric (mullerian) duct system.
All the gonadal hormones are made from the cholesterol molecule.
Estrogens are steroid hormones that involve entry of the steroid into the cell, binding to a receptor, transformation of the receptor to expose a DNA-binding domain, binding of the steroid-receptor complex, bringing about the changes in the cell function.
classes.kumc.edu /son/nrsg835/basics.htm   (1827 words)

  
 Problems of reproduction - Abstracts â„–6 2000   (Site not responding. Last check: 2007-10-14)
The objective of this study was to compare the levels of antimullerian hormone (AMH) production in 26 patients with polycystic ovarian syndrome (PCOS) and 22 patients with other gynecological pathology, not associated with impaired folliculogenesis and ovulation.
Immunohistochemistry staining of the frozen ovarian bioptate revealed that AMH levels in the granulosa cells of polycystic ovaries were elevated in all types of growing follicles in comparison to the control group.
Enlargement of uterus length after hormone replacement therapy was more significant in the group of pregnant than in the group of non-pregnant women (p=0.04).
www.mediasphera.aha.ru /reprod/2000/6/e6-00ref.htm   (968 words)

  
 Hormonal and Cellular Regulation of Sertoli Cell Anti-Mullerian Hormone Production in the Postnatal Mouse -- Al-Attar ...
Pituitary Hormones Are Not Required for Sexual Differentiation of Male Mice: Phenotype of the T/ebp/Nkx2.1 Null Mutant Mice
The structure of a glycosylated protein hormone responsible for sex determination in the isopod, Armadillidium vulgare
Receptors for anti-Mullerian hormone on Leydig cells are responsible for its effects on steroidogenesis and cell differentiation
www.jci.org /cgi/content/abstract/100/6/1335   (1053 words)

  
 AMH / MIS / MIF
2002 Anti-Mullerian hormone inhibits initiation of primordial follicle growth in the mouse ovary.
Durlinger AL, Visser JA, Themmen AP 2002 Regulation of ovarian function: the role of anti-Mullerian hormone.
de Vet A, Laven JS, de Jong FH, Themmen AP, Fauser BC 2002 Antimullerian hormone serum levels: a putative marker for ovarian aging.
www.helsinki.fi /project/ovage/aboutAMH.htm   (103 words)

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