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Topic: Pituitary-adrenal axis


  
 CFS Causes: Hypothalamic-Pituitary Adrenal (HPA) Axis
They may also affect several aspects of behavior.
Multiple laboratory studies have suggested that the central nervous system may have an important role in CFS.
http://www.cfshub.com/hpaaxis.html

  
 Nociceptive neuroendocrine negative feedback control of neurogenic inflammation activated by capsaicin in the rat paw: ...
Such spinal and spino-bulbo-spinal somato-sympathetic reflex pathways to sympathetic preganglionic neurones innervating the adrenal medullae, which are activated by noxious stimulation, have been shown to exist in experiments in which activity in the adrenal nerve and release of catecholamines from the adrenal medullae have been measured.
The reflex pathways mediating the activation of the preganglionic neurones innervating the adrenal medullae are spinal and supraspinal; these reflex pathways are under inhibitory control maintained by activity in vagal afferents.
A spino-bulbo-spinal pathway is activated together with a spinal pathway by the noxious input, leading to the reflex activation of the preganglionic neurones innervating the adrenal medullae.
http://jp.physoc.org/cgi/content/full/527/3/601

  
 The fetal and neonatal hypothalamic-pituitary-adrenal axis -- Ng 82 (3): 250 -- Archives of Disease in Childhood - ...
Adrenal response in very low birthweight babies after dexamethasone treatment for bronchopulmonary dysplasia.
Evidence of early adrenal insufficiency in babies who develop bronchopulmonary dysplasia.
The solid arrows represent positive stimulatory pathways and the broken arrows represent negative inhibitory pathways.
http://fn.bmjjournals.com/cgi/content/full/82/3/F250

  
 Hormones and stress:The pituitary-adrenal-axis in learning and memory
The pituitary adrenal system is very sensitive to changes in an animal's environment.
One consequence of this operation is the loss of ACTH from the anterior pituitary which may be responsible for the profound disruption of avoidance learning in these rats.
De Weid has found that adrenalectomised rats make more avoidance responses under extinction conditions than intact rats.
http://salmon.psy.plym.ac.uk/year1/stressho.htm

  
 Adrenal Insufficiency in the Critically Ill: A New Look at an Old Problem -- Marik and Zaloga 122 (5): 1784 -- Chest
Adrenal Insufficiency in the Critically Ill: A New Look at an Old Problem -- Marik and Zaloga 122 (5): 1784 -- Chest
µg/dL with corticotropin does not have adrenal insufficiency.
The degree of adrenal recovery in the unstressed patient
http://www.chestjournal.org/cgi/content/full/122/5/1784

  
 Cytokine-dependent gp130 Receptor Subunit Regulates Human Fetal Pituitary Adrenocorticotropin Hormone and Growth ...
Grossman (1991) Interleukins-1 and -6 stimulate the release of CRH-41 from the rat hypothalamus in vitro via the eicosanoid cyclo-oxygenase pathway.
pituitary, and in 18- and 31-wk gestation human fetal pituitaries.
For our studies we used primary cultures of human fetal pituitaries obtained at the second trimester.
http://www.jci.org/cgi/content/full/100/2/357

  
 Regulation of the Hypothalamic-Pituitary-Adrenal Axis by Cytokines: Actions and Mechanisms of Action -- TURNBULL and ...
Regulation of the Hypothalamic-Pituitary-Adrenal Axis by Cytokines: Actions and Mechanisms of Action -- TURNBULL and RIVIER 79 (1): 1 -- Physiological Reviews
no studies of the effects on the HPA axis of recombinant rat cytokines
CRF, which is the major physiological regulator of pituitary ACTH
http://physrev.physiology.org/cgi/content/full/79/1/1

  
 Adrenal Axis
This, however, is not useful in determining therapy.
-Adrenomyeloneuropathy (sudanophilic leukodystrophy, 30% of ALD): age 15-30; spinal cord and peripheral neuronal involvement slowly progressing over 5-15 years; develop mixed motor and sensory peripheral neuropathy, bladder dysfunction, adrenal insufficiency, hypogonadism, color blindness.
Four phenotypes, which can coexist in the same family (no correlation between genotype and phenotype):
http://www.endocrinology.med.ucla.edu/adrenal_axis.htm

  
 LOW CORTISOL
Because similar changes have been described in stress-related disorders, a putative role of stress in the pathogenesis of the enhanced feedback is possible.
Measurements were compared with those from a group of 55 healthy subjects.
That DDAVP was capable of normalizing the pituitary-adrenal response to oCRH in the CFS group suggests there may be increased vasopressinergic responsivity of the anterior pituitary in CFS and/or that DDAVP may be exerting an effect at an adrenal level.
http://www.deafwhale.com/cfs/lowcortisol.html

  
 Opioid Modulation of the Fetal Hypothalamic-Pituitary-Adrenal Axis: The Role of Receptor Subtypes and Route of ...
pituitary corticotrophs are responsive to CRF by 97 days of gestation,
responsiveness of the fetal adrenal to ACTH, which is a function
Parrott, R. and Thornton, S. Opioid influences on pituitary function in sheep under basal conditions and during psychological stress.
http://www.jpet.org/cgi/content/full/281/1/129

  
 Corticotropin-releasing hormone regulates IL-6 expression during inflammation -- Venihaki et al. 108 (8): 1159 -- ...
Total RNA from adrenal and muscle from saline- or turpentine-injected Crh
IL-6 mRNA expression was analyzed by RT-PCR in pituitary, adrenal,
CRH deficiency and thus, lack of the peripherally expressed
http://www.jci.org/cgi/content/full/108/8/1159

  
 Holistic Health Encyclopedia - G
Wonderful for the functioning of the pituitary in disorders of the adrenal system when used in conjunction with other herbs.
This herb also aids mental function by improving circulation.
In geriatric use, Ginseng has been proven beneficial in restoring mental abilities.
http://www.findhealer.com/glossary/G.php3

  
 Diabetes Impairs Hypothalamo-Pituitary-Adrenal (HPA) Responses to Hypoglycemia, and Insulin Treatment Normalizes HPA ...
Akana SF, Scribner KA, Bradbury MJ, Strack AM, Walker CD, Dallman MF: Feedback sensitivity of the rat hypothalamo-pituitary-adrenal axis and its capacity to adjust to exogenous corticosterone.
Dallman MF, Jones MT: Corticosteroid feedback control of ACTH secretion: effects of stress-induced corticosterone secretion on subsequent stress responses in the rat.
of GR2s may alter sensitivity of the axis to feedback.
http://diabetes.diabetesjournals.org/cgi/content/full/51/6/1681

  
 Functional Anatomy of the Hypothalamus and Pituitary Gland
A key to understanding the endocrine relationship between hypothalamus and anterior pituitary is to appreciate the vascular connections between these organs.
This pattern of vascular connections is presented diagramatically below.
Functional Anatomy of the Hypothalamus and Pituitary Gland
http://www.vivo.colostate.edu/hbooks/pathphys/endocrine/hypopit/anatomy.html

  
 Interactions between the Hypothalamic-Pituitary-Adrenal Axis and the Female Reproductive System: Clinical Implications ...
Estrogen may exert some of its physiologic negative feedback
In one placebo-controlled experiment done in rats, dexamethasone
Short-term estradiol treatment enhances pituitary-adrenal axis and sympathetic responses to psychological stress in healthy young men.
http://www.annals.org/cgi/content/full/129/3/229

  
 Marked differences in functioning of the hypothalamicpituitary-adrenal axis between groups of men -- Petrides et al. 82 ...
A resting AVP stimulation test was performed on each subject to determine pituitary responsiveness to exogenous AVP; the total
(HPA) axis is the principal neuroendocrine system responsible for physiological adaptation
Graded treadmill exercise is such a stressor, in that pituitary-adrenal responses to relative exercise intensities of 50,
http://www.jap.org/cgi/content/full/82/6/1979

  
 The stress response and the hypothalamic-pituitary-adrenal axis: from molecule to melancholia -- O'CONNOR et al. 93 ...
are also raised, as they are in the Lewis rat, and adrenal responses
Address correspondence to Dr T.M. O'Connor, Department of Respiratory
cytokines can stimulate pituitary ACTH and adrenal cortisol
http://qjmed.oupjournals.org/cgi/content/full/93/6/323

  
 Adrenoplus
It is also critical to maintain potassium levels within the body.
Low levels of adrenal hormones have been found in patients with Chronic Fatigue Syndrome and in patients with depressive symptoms.
An individual with adrenal exhaustion may feel "stressed out", tired and be prone to allergies, while an individual with excessive adrenal activity is likely to have high blood pressure, anxiety, depression and elevated blood sugar and cholesterol levels.
http://www.altmedicineshop.com/ProductInfo/Adrenoplus.htm

  
 Interleukin-6 is an essential, corticotropin-releasing hormone-independent stimulator of the adrenal axis during immune ...
IL-6 actions or long-term changes in adrenal function secondary
we analyzed the response of the adrenal to administration of synthetic
Interleukin-6 is an essential, corticotropin-releasing hormone-independent stimulator of the adrenal axis during immune system activation -- Bethin et al.
http://www.pnas.org/cgi/content/full/97/16/9317

  
 Growth Hormone Secretagogues Stimulate the Hypothalamic-Pituitary-Adrenal Axis and Are Diabetogenic in the Zucker ...
By the end of the experiment, serum cholesterol and triglycerides were
Despite the dramatic increases in body weight, changes in individual
Regulation of the Somatotropic Axis by Intensive Insulin Therapy during Protracted Critical Illness
http://endo.endojournals.org/cgi/content/full/138/10/4316

  
 for good hormone health-endocrinology, adrenal, thyroid, pituitary, fatigue
Providence Holy Cross Medical Center Clinical Conference-March 27, 2001, The Practical Evaluation and Management of Adrenal Insufficiency for the Hospitalist and the Primary Care Physician.
University of Michigan Medical Center-Endocrine Research Conference-March 10, 1994.
UCLA Pituitary Patient Care Support-April 10, 2003 Hormone Replacement in Patients with Hypopituitarism-We Simply Need to Do More.
http://www.goodhormonehealth.com/meet_dr/Friedman_cv.html

  
 Hypothalamic-pituitary-adrenal axis - Wikipedia, the free encyclopedia
The HPA axis is believed to be involved in the neurobiology of mood disorders, including anxiety disorder,
The studies showed that social subordination leads to chronic stress, related to reduced aggressive
plasma α-MSH levels, which causes skin darkening (a potential social signal in salmonoid fish), activation of the HPA axis, inhibition of aggressive behavior and a suppression of behavioral responsiveness to environmental stimuli.
http://en.wikipedia.org/wiki/HPA_axis

  
 Minireview: Neuro-Immuno-Endocrine Modulation of the Hypothalamic-Pituitary-Adrenal (HPA) Axis by gp130 Signaling ...
of adrenal corticosteroids in humans ( 36) and from rat adrenal
of the HPA axis to glucocorticoid negative feedback control
of the HPA axis to negative feedback control of circulating
http://endo.endojournals.org/cgi/content/full/143/5/1571

  
 Circadian rhythms in RA -- Cutolo et al. 62 (7): 593 -- Annals of the Rheumatic Diseases
should be clearly regarded as a "relative adrenal insufficiency"
Hypothalamic-pituitary-adrenocortical axis in premenopausal rheumatoid arthritis patients: not treated with glucocorticoids.
secretion of adrenal androgens in premenopausal patients with
http://ard.bmjjournals.com/cgi/content/full/62/7/593

  
 Pituitary-adrenal axis
There will be a hyper-response in Cushings disease.
One could give CRH (Corticotropin Releasing Hormone stimulation test) and check level of ACTH which in the normal person will go up but will not if pituitary is destroyed.
To see if the adrenal is doing its job by responding to ACTH - give exogenous ACTH(ACTH stim test) and check the level of cortisol which in the normal person will go up but in Addison's disease will not rise.
http://www.superscore.com/endo12.htm

  
 Once-Daily Alvesco® (ciclesonide) Has no Effect on HPA-Axis Function in Asthma Patients
New data show that once-daily treatment with the investigational therapy Alvesco® (ciclesonide) in mild-to-moderate asthma patients has no effect on adrenal function, as demonstrated by measurements of the hypothalamic-pituitary-adrenal (HPA)-axis.
Once-Daily Alvesco® (ciclesonide) Has no Effect on HPA-Axis Function in Asthma Patients
The HPA-axis is believed to be a focus of the body's reactions to stress and is recognized as a surrogate marker for common adverse effects associated with the body's reaction to extra cortisol production as seen with steroid treatment.
http://www.medicalnewstoday.com/index.php?newsid=8664

  
 HPA Axis
In CFS and burnout the HPA axis becomes suppressed, resulting in the various physical and mental symptoms associated with these conditions.
Endorphins are thought to be important in reducing pain during times of stress.
The HPA axis, which has traditionally been seen as the body's "stress system", and which ultimately controls levels of cortisol and other important stress related hormones, is generally underactive in people suffering from CFS and burnout.
http://www.mind-body-health.net/hpa.html

  
 Hypothalamic-pituitary-adrenal axis function in patients with bipolar disorder -- Watson et al. 184 (6): 496 -- The ...
Hypothalamic-pituitary-adrenal axis function in patients with bipolar disorder
Hypothalamic-pituitary-adrenal axis function in patients with bipolar disorder -- Watson et al.
HPA axis dysfunction is a potential trait marker in bipolar
http://bjp.rcpsych.org/cgi/content/abstract/184/6/496

  
 Arch Neurol -- Abstract: Mood Disorders and Dysfunction of the Hypothalamic-Pituitary-Adrenal Axis in Multiple ...
The relationship of MS to physical trauma and psychological stress: Report of the Therapeutics and Technology Assessment Subcommittee of the American Academy of Neurology
Mood Disorders and Dysfunction of the Hypothalamic-Pituitary-Adrenal Axis in Multiple Sclerosis
Arch Neurol -- Abstract: Mood Disorders and Dysfunction of the Hypothalamic-Pituitary-Adrenal Axis in Multiple Sclerosis: Association With Cerebral Inflammation, January 1998, Fassbender et al.
http://archneur.ama-assn.org/cgi/content/abstract/55/1/66

  
 The Pathophysiologic Roles of Interleukin-6 in Human Disease -- Papanicolaou et al. 128 (2): 127 -- Annals of Internal ...
axis, to be negatively controlled by glucocorticoids, to stimulate
in a feedback loop of the hypothalamic-pituitary-adrenal axis.
axis and is under the tonic negative control of glucocorticoids.
http://www.annals.org/cgi/content/full/128/2/127

  
 Counselling, Psychotherapy & Mental Health Bibliography -- Part One
Also, evidence suggests that undue stress early in an organism's life may sensitise CRF neurons, and paraventricular nucleus (PVN) hypothalamic tissue in particular, leading to CRF hypersecretion in response to stresses later in life.
Particularly notable results include the notion that elevated CRF levels not only stimulate the HPA axis but also act on extra-pituitary brain sites.
Excellent review article on CRF and hyperactivity of the HPA axis.
http://counsellingresource.com/bibliography/index.html

  
 Endotext.com - Adrenal Physiology And Diseases, HPA Axis and Sleep
Endotext.com - Adrenal Physiology And Diseases, HPA Axis and Sleep
http://www.endotext.com/adrenal/adrenal31/adrenalframe31.htm

  
 UpToDate Patient Information
Pituitary specific transcription factor (Pit 1 transcription factor)
http://patients.uptodate.com/frames.asp?search=Pituitary&page=vocab.asp

  
 NEL, Pituitary-adrenal axis in PCOS
Objectives : Impaired adrenal function is common in patients with polycystic ovary syndrome (PCOS).
Abnormal regulation of cytochrome P450 17 alpha is believed to cause the exaggerated 17-hydroxyprogesterone (17OHP) response to ACTH stimulation.
No part may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or ortherwise, without prior written permission from the Editor-in-Chief.
http://www.nel.edu/24_34/NEL243403A16_Luboshitzky.htm

  
 The effect of birth weight on hypothalamo-pituitary-adrenal axis function in juvenile and adult pigs -- Poore and ...
Programming of the hypothalamo-pituitary-adrenal (HPA) axis during prenatal and early postnatal life may explain, in part, the association between low birth weight (BW) and the increased incidence of cardiovascular and metabolic disease in later life.
This study examined the effect of natural variations in BW on HPA axis function in juvenile and adult pigs.
These results are consistent with the hypothesis that impaired fetal and early postnatal growth are associated with altered HPA axis function in later life.
http://jp.physoc.org/cgi/content/abstract/547/1/107

  
 St. John's Wort / Hypericum perforatum : Natural Health Care Products : Save up to 70%
Increased production of corticotropin means release of adrenaline, which means STRESS!
Specifically, IL-6 activates the hypothalamic-pituitary-adrenal axis, resulting in increased production of Corticotropin-releasing hormone (or "CRH") - the hypothalamic peptide which stimulates corticotropin release from the pituitary gland.
http://www.health-pages.com/sj/

  
 Opposing effects of pituitary leukemia inhibitory factor and SOCS-3 on the ACTH axis response to inflammation -- ...
We have shown that leukemia inhibitory factor (LIF) and suppressor of cytokine signaling (SOCS)-3 are expressed in the hypothalamus
Opposing effects of pituitary leukemia inhibitory factor and SOCS-3 on the ACTH axis response to inflammation -- Chesnokova et al.
Opposing effects of pituitary leukemia inhibitory factor and SOCS-3 on the ACTH axis response to inflammation
http://ajpendo.physiology.org/cgi/content/abstract/282/5/E1110

  
 Maternal Hypothalamic-Pituitary-Adrenal Axis in Pregnancy and the Postpartum Period: Postpartum-Related Disorders -- ...
Maternal Hypothalamic-Pituitary-Adrenal Axis in Pregnancy and the Postpartum Period: Postpartum-Related Disorders -- MASTORAKOS and ILIAS 900 (1): 95 -- Annals of the New York Academy of Sciences
Maternal Hypothalamic-Pituitary-Adrenal Axis in Pregnancy and the Postpartum Period: Postpartum-Related Disorders
http://www.annalsnyas.org/cgi/content/abstract/900/1/95

  
 Book Journeys -- Pharmacology
Bradley, Arvid J. An Enquiry into The Action of Dilantin on The Pituitary-Adrenal Axis.
http://www.bookjourneys.com/pharmacology.html

  
 President/CEO Terry Melton
Clarke, W., White, N., Melton, T., and Santiago, J. Diurnal variation in closed-loop insulin requirements in fasting insulin dependent diabetics: probable role of the adrenal pituitary axis.
http://www.mitotyping.com/terry.htm

  
 The Hypothalamo-Pituitary-Adrenal Axis in Multiple Sclerosis -- HUITINGA et al. 992 (1): 118 -- Annals of the New York ...
The Hypothalamo-Pituitary-Adrenal Axis in Multiple Sclerosis -- HUITINGA et al.
CNS in the activation of the HPA axis in MS, MS lesions in the
http://www.annalsnyas.org/cgi/content/abstract/992/1/118

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