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Topic: Vasopressin


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In the News (Mon 13 Oct 08)

  
  Vasopressin - Wikipedia, the free encyclopedia
Vasopressin is secreted from the posterior pituitary gland in response to reductions in plasma volume and in response to increases in the plasma osmotic pressure.
Vasopressin is released into the brain in a circadian rhythm by neurons of the suprachiasmatic nucleus of the hypothalamus.
Vasopressin agonists are used therapeutically in various conditions, and its long-acting synthetic analogue desmopressin is used in conditions featuring low vasopressin secretion, as well as for control of bleeding (in some forms of von Willebrand disease) and in extreme cases of bedwetting by children.
en.wikipedia.org /wiki/Vasopressin   (1161 words)

  
 IAS Bulletin Article: Vasopressin - The Anti-aging, Cognitive Enhancing Neuropeptide
Vasopressin is a pituitary hormone that is best known for controlling water balance in the body.
Vasopressin improves attention, retention and recall (both short-term and long-term) and it is well known to enhance short-term memory in normal young adults, as well as in those with age-associated memory impairment (AAMI).
Vasopressin occasionally produces the following side effects: nasal congestion, runny nose, itch or irritation of the nasal passages, abdominal cramps, headache and increased bowel movements.
www.antiaging-systems.com /extract/vasopressin.htm   (1111 words)

  
 Degradation of Wild-type Vasopressin Precursor and Pathogenic Mutants by the Proteasome -- Friberg et al. 279 (19): ...   (Site not responding. Last check: 2007-10-19)
caused by mutations in the vasopressin gene and is inherited
vasopressin precursors are retained in the ER (11, 20–24).
vasopressin precursor in the presence or absence of ALLN (Fig.
www.jbc.org /cgi/content/full/279/19/19441   (4322 words)

  
 Physiology of Vasopressin Relevant to Management of Septic Shock -- Holmes et al. 120 (3): 989 -- Chest
Vasopressin is synthesized in the cell bodies of the magnocellular neurons located in the paraventricular nuclei and supraoptic nuclei.
The final common pathway of vasopressin release is synthesis in the cell bodies of the magnocellular neurons located in the paraventricular nuclei, and migration via the supraoptic-hypophyseal tract to the pars nervosa.
Walker, BR (1986) Role of vasopressin in the cardiovascular response to hypoxia in the conscious rat.
www.chestjournal.org /cgi/content/full/120/3/989   (6254 words)

  
 Effects of acupuncture on vasopressin-induced emesis in conscious dogs -- Tatewaki et al. 288 (2): R401 -- AJP - ...   (Site not responding. Last check: 2007-10-19)
Vasopressin was administered after phase III of the migrating motor complex (MMC) cycle was completed.
Role of plasma vasopressin as a mediator of nausea and gastric slow wave dysrhythmias in motion sickness.
Responses of plasma oxytocin and arginine vasopressin to nausea induced by apomorphine and ipecacuanha.
ajpregu.physiology.org /cgi/content/full/288/2/R401   (3675 words)

  
 OCD and Vasopressin -- Neurotransmitter.net   (Site not responding. Last check: 2007-10-19)
Arginine vasopressin concentration was significantly and negatively correlated with several ratings of obsessive-compulsive disorder symptom severity, while oxytocin concentration was positively correlated with depressive symptoms.
The intensity and repetition of the behaviors induced by arginine vasopressin is somewhat reminiscent of Obsessive Compulsive Disorder in humans.
METHODS: The CSF levels of corticotropin-releasing hormone, vasopressin, somatostatin, and oxytocin and of the monoamine metabolites 5-hydroxyindoleacetic acid, homovanillic acid, and 3-methoxy-4-hydroxyphenylglycol were measured in 17 children and adolescents with obsessive-compulsive disorder before and after long-term treatment with clomipramine.
www.neurotransmitter.net /ocdvasopressin.html   (1565 words)

  
 Oxytocin and Vasopressin
V1 (for vasopressin receptor 1) is found in vascular smooth muscle while V2, which works by adenylate cyclase activation, is found in the kidney.
Vasopressin (Pitressin®): Indicated for the treatment of diabetes insipidus, the prevention and treatment of postoperative abdominal distention, and the differential diagnosis of diabetes insipidus.
Vasopressin antagonists thus could be useful in the treatment of congestive heart failure.
www.neurosci.pharm.utoledo.edu /MBC3320/vasopressin.htm   (1586 words)

  
 MedlinePlus Drug Information: Vasopressin (Systemic)   (Site not responding. Last check: 2007-10-19)
Vasopressin is used to control the frequent urination, increased thirst, and loss of water associated with diabetes insipidus (water diabetes).
Vasopressin also may be used for other conditions as determined by your doctor.
Although there is no specific information comparing the use of vasopressin in the elderly with use in other age groups, the elderly may be more sensitive to its effects.
www.nlm.nih.gov /medlineplus/druginfo/uspdi/202591.html   (828 words)

  
 Vasopressin contributes to dynorphin modulation of hypoxic cerebrovasodilation -- Venteicher and Armstead 275 (6): 2072 ...
Contribution of vasopressin to dynorphin vascular responses during hypoxia as a function of duration of hypoxic exposure.
The origin of the vasopressin detected in CSF cannot be determined from the present experiments.
Vascular responses to vasopressin are tone-dependent in the cerebral circulation of the newborn pig.
ajpheart.physiology.org /cgi/content/full/275/6/H2072   (3778 words)

  
 Vasopressin in the Cardiac Surgery Intensive Care Unit -- Albright et al. 11 (4): 326 -- American Journal of Critical ...
Desmopressin is a synthetic, longer-acting analog of vasopressin.
Hemodynamic and coagulation responses to 1-desamino[8-d-arginine] vasopressin in patients with congenital nephrogenic diabetes insipidus.
Vasopressin deficiency contributes to the vasodilation of septic shock.
ajcc.aacnjournals.org /cgi/content/full/11/4/326   (2338 words)

  
 ACUTE CARE, INC. - Emergency Physicians - Practice Opportunities, Information
Vasopressin decreases endogenous catecholamine plasma concentrations during cardiopulmonary resuscitation in pigs.
Vasopressin combined with epinephrine decreases cerebral perfusion compared with vasopressin alone during cardiopulmonary resuscitation in pigs.
vasopressin in the treatment of cardiac arrest are needed.
www.acutecare.com /vasop.htm   (1823 words)

  
 Vasopressin Induces Vascular Superoxide Via Endothelin-1 in Mineralocorticoid Hypertension -- Li et al. 41 (3): 663 -- ...   (Site not responding. Last check: 2007-10-19)
A, Immunohistochemical detection of vasopressin expression in the cross sections of a typical artery of sham (a and c) and DOCA-salt rat (b and d).
Effect of vasopressin antagonism on structure and mechanics of small arteries and vascular expression of endothelin-1 in deoxycorticosterone acetate salt hypertensive rats.
Effect of acute vasopressin infusion on blood pressure and plasma angiotensin II in normotensive and DOCA-salt hypertensive rats.
hyper.ahajournals.org /cgi/content/full/41/3/663   (2925 words)

  
 Oxytocin and Vasopressin Expression in the Ovine Testis and Epididymis: Changes with the Onset of Spermatogenesis -- ...   (Site not responding. Last check: 2007-10-19)
Mean concentrations of (a) oxytocin and (b) vasopressin in the circulation and in the caput, corpus, and cauda epididymis of sheep at progressive stages of spermatogenesis.
Hib J. The in vitro effects of oxytocin and vasopressin on spontaneous contractility of the mouse cauda epididymis.
Ivell R. Vasopressin and oxytocin gene expression in the mammalian ovary and testis.
www.biolreprod.org /cgi/content/full/63/2/448   (4569 words)

  
 Effects of Continuous Vasopressin Infusion in Patients with Septic Shock -- Obritsch et al. 38 (7): 1117 -- The Annals ...   (Site not responding. Last check: 2007-10-19)
Vasopressin deficiency contributes to the vasodilation of septic shock.Circulation 1997;95:1122-5.
The effects of vasopressin on hemodynamics and renal function in severe septic shock: a case series.
Vasopressin, not octreotide, may be beneficial in the treatment of hepatorenal syndrome: a retrospective study
www.theannals.com /cgi/content/full/38/7/1117   (2911 words)

  
 Microfilament Network Is Needed for the Endocytosis of Water Channels and Not for Apical Membrane Insertion Upon ...
Toad urinary bladders that received DMSO (——) or Lat B (––) prior to the addition of vasopressin, were washed extensively, and water transport was measured in the absence of vasopressin.
in the absence of vasopressin was 119% of that in the presence
of vasopressin at 30 min and was 67% of vasopressin-induced
www.ebmonline.org /cgi/content/full/223/2/203   (3778 words)

  
 Vasopressin V2 Receptor Binding Is Down-Regulated during Renal Escape from Vasopressin-Induced Antidiuresis -- Tian et ...
Vasopressin V2 Receptor Binding Is Down-Regulated during Renal Escape from Vasopressin-Induced Antidiuresis -- Tian et al.
Chan WY 1973 A study of the mechanism of vasopressin escape: effects of chronic vasopressin and overhydration on renal tissue osmolality and electrolytes in dogs.
vasopressin receptor in membranes of renal epithelial cells.
endo.endojournals.org /cgi/content/full/141/1/307   (4556 words)

  
 Increased Abundance of Distal Sodium Transporters in Rat Kidney during Vasopressin Escape -- ECELBARGER et al. 12 (2): ...
Vasopressin is the major hormonal regulator of body water homeostasis.
Effect of vasopressin escape on the abundances of aquaporins 2 and 3.
be responsible for the diuresis of vasopressin escape (17,26).
jasn.asnjournals.org /cgi/content/full/12/2/207   (6309 words)

  
 Vasopressin definition - Medical Dictionary definitions of popular medical terms
Vasopressin: A relatively small (peptide) molecule that is released by the pituitary gland at the base of the brain after being made nearby (in the hypothalamus).
Vasopressin has an antidiuretic action that prevents the production of dilute urine (and so is antidiuretic).
A syndrome of inappropriate secretion of vasopressin which results in the inability to put out dilute urine, perturbs fluid (and electrolyte) balance, and causes nausea, vomiting, muscle cramps, confusion and convulsions may occur in association with oat-cell lung cancer, pancreatic cancer, prostate cancer, and Hodgkin's disease as well as a number of other disorders.
www.medterms.com /script/main/art.asp?articlekey=7980   (245 words)

  
 Abebooks Search Results - Vasopressin
Or is it simply the result of vasopressin being released by his pituitary gland?.
Vasopressin and Disorders of Fluids and Electrolytes 14.
One of the renal porins is affected by vasopressin.
www.abebooks.co.uk /search/sortby/3/kn/Vasopressin   (6165 words)

  
 Positive and Negative Regulation of the Rat Vasopressin Gene Promoter -- Iwasaki et al. 138 (12): 5266 -- Endocrinology
ARGININE vasopressin is a nonapeptide synthesized mainly in
Sawchenko PE, Swanson LW, Vale WW 1984 Co-expression of corticotropin-releasing factor and vasopressin immunoreactivity in parvocellular neurosecretory neurons of the adrenalectomized rat.
Uht RM, McKelvy JF, Harrison RW, Bohn MC 1988 Demonstration of glucocorticoid receptor-like immunoreactivity in glucocorticoid-sensitive vasopressin and corticotropin-releasing factor neurons in the hypothalamic paraventricular nucleus.
endo.endojournals.org /cgi/content/full/138/12/5266   (6339 words)

  
 Role of Renal Aquaporins in Escape from Vasopressin-induced Antidiuresis in Rat -- Ecelbarger et al. 99 (8): 1852 -- ...
The peptide hormone arginine vasopressin is the chief regulator of renal water excretion.
duct is regulated by vasopressin on a short-term basis (20).
Chan, W.Y. A study of the mechanism of vasopressin escape: effects of chronic vasopressin and overhydration on renal tissue osmolality and electrolytes in dogs.
www.jci.org /cgi/content/full/99/8/1852   (7201 words)

  
 Antidiuretic Hormone (Vasopressin)
Such precise control of body water and solute concentrations is a function of several hormones acting on both the kidneys and vascular system, but there is no doubt that antidiuretic hormone is a key player in this process.
Antidiuretic hormone, also known as vasopressin, is a nine amino acid peptide secreted from the posterior pituitary.
It was for this effect that the name vasopressin was coined.
arbl.cvmbs.colostate.edu /hbooks/pathphys/endocrine/hypopit/adh.html   (781 words)

  
 EXN.ca | Discovery
The reason is because of a little chemistry — not the magical kind between two lovers as we might like to think — but a chemical reaction triggered by a hormone in the brain.
Scientists at Emory University in Atlanta, Georgia have found that a hormone oxytocin in females and vasopressin in males — is activated in the brain after sex.
Young says it's probable that people with social deficits, such as those with schizophrenia or autism, could have differences in their oxytocin or vasopressin systems.
exn.ca /Stories/1999/02/09/51.asp   (768 words)

  
 Vasopressin Administration in Refractory Cardiac Arrest -- Lindner et al. 124 (12): 1061 -- Annals of Internal Medicine   (Site not responding. Last check: 2007-10-19)
of vasopressin in patients with refractory cardiac arrest.
Effect of vasopressin on hemodynamic variables, organ blood flow, and acid-base status in a pig model of cardiopulmonary resuscitation.
Vasopressin improves vital organ blood flow during closed-chest cardiopulmonary resuscitation in pigs.
www.annals.org /cgi/content/full/124/12/1061   (2196 words)

  
 Vasopressin & Vasopressin Receptor antibodies from Research Diagnostics Inc
Vasopressin and Vasopressin Receptor antibodies from Research Diagnostics Inc
vasopressin (AVP) exerts its action through binding to specific membrane receptors coupled to distinct second messengers.
specificty: reacts with the arginine vasopressin receptors, 394, 395 and 424aa)(AVP-1A) in rat.
www.researchd.com /miscabs/vasopres.htm   (1012 words)

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