Product Details

Uniprot No.

Target Names

ARG1

Alternative Names

A I antibody; Al antibody; ARG 1 antibody; arg1 antibody; ARGI1_HUMAN antibody; Arginase 1 antibody; Arginase liver antibody; Arginase type I antibody; Arginase; liver antibody; Arginase-1 antibody; Arginase1 antibody; Liver type arginase antibody; Liver-type arginase antibody; Type I arginase antibody

Species Reactivity

Human

Immunogen

Recombinant Human ARG1 protein

Immunogen Species

Homo sapiens (Human)

Conjugate

Non-conjugated

Clonality

Monoclonal

Isotype

hIgG1

Clone No.

6F1

Purification Method

Affinity-chromatography

Concentration

It differs from different batches. Please contact us to confirm it.

Buffer

Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, PH 7.4

Form

Liquid

Tested Applications

ELISA, IHC

Recommended Dilution

Application	Recommended Dilution
IHC	1:50-1:200

Protocols

ELISA Protocol
Immunohistochemistry (IHC) Protocol

Troubleshooting and FAQs

Antibody FAQs

Storage

Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.

Lead Time

Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

Description

Arginase-1 (ARG1) is a manganese-containing enzyme that catalyzes the hydrolysis of arginine to ornithine and urea, playing a central role in the hepatic urea cycle and nitrogen metabolism. Beyond its metabolic functions, ARG1 has emerged as a significant marker in immunology research, particularly in studies of myeloid-derived suppressor cells and tumor microenvironment immunosuppression. The enzyme's expression patterns also make it valuable for distinguishing hepatocellular carcinoma from other liver malignancies in diagnostic pathology workflows.

This recombinant monoclonal antibody, clone 6F1, offers the reproducibility and consistency that demanding research applications require. Generated using recombinant technology with a defined sequence, this antibody eliminates the lot-to-lot variability inherent in traditional hybridoma production, ensuring your experimental conditions remain stable across long-term studies and multi-site collaborations. The human IgG1 isotype format and affinity-chromatography purification deliver a reagent optimized for specific target recognition with minimal background.

Validation studies demonstrate reliable performance in immunohistochemistry applications across multiple human tissue types. Testing in paraffin-embedded human liver tissue confirms expected strong cytoplasmic staining consistent with ARG1's known hepatic expression. Additional validation in human liver cancer tissue provides researchers investigating hepatocellular carcinoma with confidence in tumor tissue applications, while testing in human testis tissue demonstrates utility across diverse sample types. A working dilution range of 1:50 to 1:200 for IHC offers flexibility to optimize staining intensity for your specific experimental conditions.

This antibody supports researchers investigating signal transduction pathways, metabolic regulation, and immune cell function, providing a dependable tool for advancing understanding of ARG1 biology in both normal physiology and disease states.

Usage

For Research Use Only. Not for use in diagnostic or therapeutic procedures.

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Target Background

Function

Key element of the urea cycle converting L-arginine to urea and L-ornithine, which is further metabolized into metabolites proline and polyamides that drive collagen synthesis and bioenergetic pathways critical for cell proliferation, respectively; the urea cycle takes place primarily in the liver and, to a lesser extent, in the kidneys.; Functions in L-arginine homeostasis in nonhepatic tissues characterized by the competition between nitric oxide synthase (NOS) and arginase for the available intracellular substrate arginine. Arginine metabolism is a critical regulator of innate and adaptive immune responses. Involved in an antimicrobial effector pathway in polymorphonuclear granulocytes (PMN). Upon PMN cell death is liberated from the phagolysosome and depletes arginine in the microenvironment leading to suppressed T cell and natural killer (NK) cell proliferation and cytokine secretion. In group 2 innate lymphoid cells (ILC2s) promotes acute type 2 inflammation in the lung and is involved in optimal ILC2 proliferation but not survival. In humans, the immunological role in the monocytic/macrophage/dendritic cell (DC) lineage is unsure.

Gene References into Functions

study of the significance of heat activation and the role of metal ions in human arginase PMID: 30282613
TGF-beta1 and arginase-1 may play important roles in determining long-term graft survival. PMID: 30074212
These results showed that arginase controlled sFlt-1 elevation to some extent. PMID: 29548823
ARG1 gene polymorphisms and their association in individuals with essential hypertension in Pakistan has been presented. PMID: 29756997
A subset of well-differentiated hepatocellular carcinomas are arginase-1 negative. PMID: 28970136
The data in this study suggest that arginase I inhibition potentially represents a novel therapeutic target for the prevention and/or treatment of bronchopulmonary dysplasia-associated pulmonary hypertension. PMID: 27895230
this study shows that infiltrating macrophages expressing Arg1 are present in active allergic contact dermatitis lesions PMID: 28747341
High arginase expression is associated with glioblastoma. PMID: 27006175
Report the value of Arg-1 in distinguishing HepPar-1-positive prostatic carcinoma from hepatocellular carcinoma at metastatic sites or cases of liver metastasis from prostate carcinoma. PMID: 27184483
AEG-1 is positively activated in the tumorigenesis and deterioration of NSCLC. PMID: 28152520
Arginase-1 expression is common (62.5%) in hepatoid adenocarcinoma and hence it is not useful in distinguishing hepatocellular carcinoma from hepatoid adenocarcinoma. PMID: 27137985
Arginase 1 was highly expressed by tumor-associated Gr1+ microglia and macrophages. PMID: 27936099
The authors report here that Candida albicans blocks nitric oxide production in human-monocyte-derived macrophages by induction of host arginase activity. PMID: 28119468
Evidence for a negative association of arginase I with job strain and positive association with job control and social support in females. PMID: 28403218
Two argininemia patients were initially diagnosed by tandem mass spectrometry in newborn screening. Mutation analysis of the ARG1 gene was performed by direct sequencing.Two missense mutations, p.D100N and p.R71T, in Patient-1 were predicted to lower the stability of arginase Iota by analysis of 3D crystal structure, while two nonsense mutations, p.G12X and p.E42X, in Patient-2 were predicted to lead to truncated protein. PMID: 28089752
The results of this study suggested a novel relationship exists between ARG1, neutrophil-lymphocyte ratio , and stroke severity which may help guide future mechanistic studies of post-stroke immune suppression. PMID: 26515089
This study provides a molecular mechanism of the pathogenesis of systemic lupus erythematosus by demonstrating an Arg-1-dependent effect of myeloid-derived suppressor cells in the development of TH17 cell-associated autoimmunity. PMID: 27009269
ARG1 rs2781659 AA and rs2781667 TT genotypes were associated with lower IIEF scores (increased severity) in clinical erectile dysfunction (ED), whereas ARG1 GTCC haplotype is associated with higher IIEF scores in clinical ED, thus suggesting a genetic contribution of ARG1 variations to ED PMID: 26537638
These results showed that alterations in the expression levels of Arg I and iNOS in the peripheral T cells and peripheral nodes of HIV infected patients are associated with disease progression in these patients. PMID: 26647762
Increased ARG1 expression in macrophages after a single radiotherapy dose is an independent prognostic factor of skin toxicities. PMID: 26061397
Arginase inhibition arrests human pulmonary artery smooth muscle cells in the G1/G0-phase under hypoxic conditions. PMID: 26126810
Arginase from neutrophils can modulate nitric oxide production from activated macrophages which may affect the course of infection by intracellular bacteria. PMID: 26119192
Overexpression and elevated activity of arginase I are involved in tobacco-induced pulmonary endothelial dysfunction. PMID: 25889611
This method not only solved the problem of obtaining a large amount of arginase, but also provided a promising alternative for the future industrial production of L-Orn. PMID: 26227111
the combination of high levels of CD14, FOXP3, and ARG1 mRNAs identified a small group of patients with excellent event-free and overall survival. PMID: 26161395
Overexpression of Arg1 in the CNS of transgenic mice significantly reduced tau pathology. PMID: 26538654
data indicate that helminth coinfection induces arginase-1-expressing type 2 granulomas, thereby increasing inflammation and TB disease severity. PMID: 26571397
The data exclude a prognostic role of IL-10 and ARG-1 in metastatic neuroblastoma. PMID: 25961062
Arginase activity increases in peripheral blood of patients with intestinal schistosomiasis. PMID: 25786588
Data indicate that arginase-1 showed positivity in 2 ampullary region carcinomas and diffuse positivity in 1 duodenal adenocarcinoma. PMID: 26030248
Arg1 induced accumulation of autophagosomes in MDA-MB-231 cells. PMID: 25501824
Arg1 and PD-L1 are dynamically modulated upon neutrophil migration into human airways, and, Arg1, but not PD-L1, contributes to early neutrophil-driven T cell suppression in cystic fibrosis, likely hampering resolution of infection and inflammation. PMID: 25926674
These results suggest that ARG1 and GABA influence both neural development and neuroblastoma and that benzodiazepines in clinical use may have potential applications for neuroblastoma therapy. PMID: 25437558
Arg1 expression is decreased, and Arg2 expression is increased in the newborn congenital obstructive nephropathy and in the mouse model. PMID: 25205225
rs2781666 may be associated with protection against pulmonary hypertension in preterm neonates with bronchopulmonary dysplasia PMID: 24919409
The plasma levels of arginase I was higher in patients with DCL. PMID: 25124926
Novel variants in the ARG1 locus associated with CRP levels in cardiovascular disease in a Korean population. [Meta-analysis] PMID: 24763700
Arginase I levels are decreased in the plasma of pediatric patients with atopic dermatitis. PMID: 25027824
Arginase activity was higher in cord blood of gestational diabetes mellitus mothers as opposed to the control group. PMID: 24376824
Our results suggest that serum ARG and CRP together can efficiently diagnose Head and neck squamous cell carcinoma. PMID: 24715304
Serum arginase I might regulate serum L-arginine and 3-nitrotyrosine via L-arginine. PMID: 24060156
The independent associations of arginase I with urinary 8-OHdG and serum insulin may reflect its involvement in oxidative stress and diabetes mellitus. PMID: 24005081
Arginase-1 mRNA expression correlates with myeloid-derived suppressor cell levels in peripheral blood of NSCLC patients. PMID: 23850196
Both arginase-1 and HepPar-1 are effective markers of hepatocellular differentiation PMID: 24281232
This study demonistrated that Five novel mutations in ARG1 gene in Chinese patients of argininemia. PMID: 23859858
Glypican 3 and arginase-1 are the most reliable markers for identifying scirrhous hepatocellular carcinoma. PMID: 23348905
Enzymes that are directly involved in the formation of urea are expressed in ocular tissues. PMID: 23740519
Results show that the positively charged state of arginine is stable in the active site of arginase I, with that stabilization facilitated by the presence of hydroxide. PMID: 23327293
The tumor suppressive function of arginase-I in both infiltrating and circulating myeloid-derived suppressor cells is a downstream target of activated STAT3. PMID: 23454751
results suggest that Arg-1 may play a tumor suppressive role in HCC and could be a new, promising prognostic biomarker for HCC patients PMID: 23505904

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Involvement in disease

Argininemia (ARGIN)

Subcellular Location

Cytoplasm. Cytoplasmic granule.

Protein Families

Arginase family

Tissue Specificity

Within the immune system initially reported to be selectively expressed in granulocytes (polymorphonuclear leukocytes [PMNs]). Also detected in macrophages mycobacterial granulomas. Expressed in group2 innate lymphoid cells (ILC2s) during lung disease.

Database Links

HGNC: 663

OMIM: 207800

KEGG: hsa:383

STRING: 9606.ENSP00000357066

UniGene: Hs.440934

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Code	CSB-RA002005MA1HU
Size	$49.9
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Image	IHC image of CSB-RA002005MA1HU diluted at 1:50 and staining in paraffin-embedded human liver tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Anti-Human lgG, Fcy Fragment Specific labeled by HRP and visualized using 0.05% DAB. IHC image of CSB-RA002005MA1HU diluted at 1:50 and staining in paraffin-embedded human liver cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Anti-Human lgG, Fcy Fragment Specific labeled by HRP and visualized using 0.05% DAB. IHC image of CSB-RA002005MA1HU diluted at 1:50 and staining in paraffin-embedded human testis tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Anti-Human lgG, Fcy Fragment Specific labeled by HRP and visualized using 0.05% DAB.
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ARG1 Recombinant Monoclonal Antibody

Product Details

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Target Background