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Key Documents

C5348

Sigma-Aldrich

Anti-Corticotropin Releasing Factor antibody produced in rabbit

IgG fraction of antiserum, buffered aqueous solution

Sinónimos:

CRF Antibody - Anti-Corticotropin Releasing Factor antibody produced in rabbit, Crf Antibody, Anti-CRF

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

IgG fraction of antiserum

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

species reactivity

frog, canine, sheep, rat, human, mouse, pig, bovine

technique(s)

immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:100 using microwave-treated sections of human placental tissue
microarray: suitable
radioimmunoassay: 1:10,000 using 2-125I-His12-CRF, human

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... CRH(1392)
mouse ... Crh(12918)
rat ... Crh(81648)

General description

Corticotropin Releasing Factor (CRF), a 41 amino acid neuropeptide, belongs to a family of structurally related peptides including urocortin, sauvagine and urotensin I. CRF is derived from a larger 196 amino acids precursor protein (preproCRF). CRF is widely distributed in the brain and peripheral nervous system, with the highest levels in the hypothalamic paraventricular nucleus (PVN).

Specificity

The antibody does not cross-react with human or rat CRF (6-33), sheep CRF, rat urocortin, PACAP38, human ACTH, human ACTH (18-39) and sauvagine.

Immunogen

synthetic peptide corresponding to the C-terminal of human CRF (amino acids 25-41 with N-terminally added lysine) conjugated to KLH.

Application

Anti-Corticotropin Releasing Factor antibody produced in rabbit has been used in immunohistochemistry (1:2000) and radioimmunoassay.

Biochem/physiol Actions

Corticotropin Releasing Factor (CRF) is critical in the regulation of the hypothalamic-pituitary-adrenal gland axis, and autonomic and behavioral responses to stress. CRF effects include changes in motor and cognitive behavior, appetite control and modulation of the immune system. CRF is a potent stimulator of adrenocorticotropic hormone (ACTH) secretion by corticotroph cells from the anterior pituitary in vitro and in vivo. The effects of CRF are mediated through CRF receptor subtypes CRFR1 and CRFR2 (splice variants). CRF binds with a high affinity to CRF-binding protein (CRF-BP), which inactivates CRF, while ligands that dissociate CRF from CRF-BP exhibit cognition-enhancing properties. CRF overproduction has been implicated in anorexia and depression and may lead to Cushing′s syndrome. CRF levels are correlated with Alzheimer′s Disease (AD) pathogenesis.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Storage and Stability

For continuous use, store at 2-8°C for up to one month. For extended storage freeze in working aliquots. Repeated freezing and thawing is not recommended. Storage in "frost-free" freezers is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class

10 - Combustible liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Sooyoung Chung et al.
Endocrinology, 146(7), 3202-3210 (2005-04-02)
It is well established that stress in early life can alter the activity of the hypothalamus-pituitary-adrenal (HPA) axis, but most studies to date have focused on HPA reactivity in response to a single acute stress. The present study addressed whether
Mark O Huising et al.
The Journal of endocrinology, 193(3), 349-357 (2007-05-31)
Corticotropin-releasing factor (CRF) plays a central role in the regulation of the stress axis. In mammals, CRF as well as its receptors and its CRF-binding protein (CRF-BP) are expressed in a variety of organs and tissues outside the central nervous
A Czujkowska et al.
Anatomia, histologia, embryologia, 45(2), 115-123 (2015-04-25)
Galanin is a neuropeptide widely present in the enteric nervous system of numerous animal species and exhibiting neurotransmittery/neuromodulatory roles. Colocalization patterns of galanin with substance P (SP), corticotropin-releasing factor (CRF) and calbindin were studied in the small intestine of the
M P Stenzel-Poore et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 14(5 Pt 1), 2579-2584 (1994-05-01)
Corticotropin-releasing factor (CRF) is released in response to various stressors and regulates adrenocorticotropin secretion and glucocorticoid production. In addition to its endocrine functions, CRF acts as a neuromodulator in extra-hypothalamic systems and has been shown to play a role in
Van A Ortega et al.
Frontiers in neuroscience, 7, 196-196 (2013-11-07)
Corticotropin-releasing factor (CRF), urotensin I (UI) and serotonin (5-HT) are generally recognized as key regulators of the anorexigenic stress response in vertebrates, yet the proximal effects and potential interactions of these central messengers on food intake in salmonids are not

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