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Product Details
Z2408MS
Product Specifications
Species Reactivity
Human
Host/Isotype
Mouse
/ IgG1, kappa
Class
Monoclonal
Type
Antibody
Clone
ZM98
Immunogen
Synthetic peptide corresponding to aa 25-39 of human ACTH (NGAEDESAEAFPLEF)
Conjugate
Unconjugated
Form
Liquid
Concentration
200 µg/mL
Purification
Protein A
Storage buffer
tris with BSA, NP-40
Contains
<0.1% sodium azide
Storage conditions
4°C
Shipping conditions
Ambient (domestic); Wet ice (international)
Product Specific Information
A recommended positive control tissue for this product is Pituitary, however positive controls are not limited to this tissue type.
The primary antibody is intended for laboratory professional use in the detection of the corresponding protein in formalin-fixed, paraffin-embedded tissue stained in manual qualitative immunohistochemistry (IHC) testing. This antibody is intended to be used after the primary diagnosis of tumor has been made by conventional histopathology using non-immunological histochemical stains.
ACTH (same as Corticotropin) is a 39 amino acid active peptide produced by the anterior pituitary. This MAb is specific to CLIP (aa 25-39 of ACTH); does not react with Synacthen (aa 1-24 of ACTH). POMC (pro-opiomelanocortin or corticotropin-lipotropin) is a 267 amino acid polypeptide hormone precursor that goes through extensive, tissue-specific posttranslational processing by convertases. POMC is cleaved into ten hormone chains named NPP, ACTH, alpha-MSH (Melanocyte Stimulating Hormone), beta-MSH, gamma-MSH, CLIP (corticotropin-like intermediary peptide), Lipotropin-beta, Lipotropin-gamma, beta-endorphin and Met-enkephalin. ACTH is also produced by cells of immune system (T-cells, B-cells, and macrophages) in response to stimuli associated with stress. Anti-ACTH is a useful marker in classification of pituitary tumors and the study of pituitary disease. It reacts with ACTH-producing cells (corticotrophs). It also may react with other tumors (e.g. some small cell carcinomas of the lung) causing paraneoplastic syndromes by secreting ACTH.
Antibody is used with formalin-fixed and paraffin-embedded sections. Pretreatment of deparaffinized tissue with heat-induced epitope retrieval or enzymatic retrieval is recommended. In general, immunohistochemical (IHC) staining techniques allow for the visualization of antigens via the sequential application of a specific antibody to the antigen (primary antibody), a secondary antibody to the primary antibody (link antibody), an enzyme complex and a chromogenic substrate with interposed washing steps. The enzymatic activation of the chromogen results in a visible reaction product at the antigen site. Results are interpreted using a light microscope and aid in the differential diagnosis of pathophysiological processes, which may or may not be associated with a particular antigen.
A positive tissue control must be run with every staining procedure performed. This tissue may contain both positive and negative staining cells or tissue components and serve as both the positive and negative control tissue. External Positive control materials should be fresh autopsy/biopsy/surgical specimens fixed, processed and embedded as soon as possible in the same manner as the patient sample (s). Positive tissue controls are indicative of correctly prepared tissues and proper staining methods. The tissues used for the external positive control materials should be selected from the patient specimens with well-characterized low levels of the positive target activity that gives weak positive staining. The low level of positivity for external positive controls is designed to ensure detection of subtle changes in the primary antibody sensitivity from instability or problems with the staining methodology. A tissue with weak positive staining is more suitable for optimal quality control and for detecting minor levels of reagent degradation.
Internal or external negative control tissue may be used depending on the guidelines and policies that govern the organization to which the end user belongs to. The variety of cell types present in many tissue sections offers internal negative control sites, but this should be verified by the user. The components that do not stain should demonstrate the absence of specific staining, and provide an indication of non-specific background staining. If specific staining occurs in the negative tissue control sites, results with the patient specimens must be considered invalid.
Target Information
ATCH (adrenocorticotropic hormone) is a hormone which plays a major role in stimulating the adrenal cortex. It is formed through cleavage of the polypeptide precursor proopiomelanocortin (POMC), which also results in several other cleavage products including MSH, ACTH, and beta endorphin. ATCH is secreted from the anterior pituitary in response to the corticotropin-releasing hormone from the hypothalamus. It stimulates the secretion of glucocorticoids like cortisol, but has little control over the stimulation of mineralocorticoids like aldosterone, which is another major hormone of the adrenal cortex.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: adrenocorticotropic hormone; adrenocorticotropin; alpha-melanocyte-stimulating hormone; alpha-MSH; beta-endorphin; beta-LPH; beta-melanocyte-stimulating hormone; beta-MSH; corticotropin-like intermediary peptide; Corticotropin-lipotropin; gamma-LPH; gamma-MSH; lipotropin beta; lipotropin gamma; melanotropin alpha; melanotropin beta; melanotropin gamma; met-enkephalin; opiomelanocortin prepropeptide; OTTHUMP00000119991; OTTHUMP00000200964; POMC; Precursor of MSH; pro-ACTH-endorphin; Pro-opiomelanocortin; proopiomelanocortin preproprotein
Gene Aliases: ACTH; CLIP; LPH; MSH; NPP; POC; POMC
UniProt ID: (Human) P01189
Entrez Gene ID: (Human) 5443
Performance Guarantee
If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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