MARCO (PY-265 Biosimilar) Recombinant Monoclonal Antibody

Code CSB-RA880072MB1HU
Size US$9799
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Product Details

Uniprot No.
Target Names
Alternative Names
PY265 research-grade biosimilar ;MARCO antibody; SCARA2 antibody; Macrophage receptor MARCO antibody; Macrophage receptor with collagenous structure antibody; Scavenger receptor class A member 2 antibody
Species Reactivity
Human
Immunogen
Recombinant Human MARCO protein
Immunogen Species
Homo sapiens (Human)
Conjugate
Non-conjugated
Clonality
Monoclonal
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
0.01M PBS,pH7.4
Form
Liquid
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Notes
Validation Status
Application-specific performance (e.g., in flow cytometry, ELISA, IHC or other assay formats) has not yet been experimentally verified by CUSABIO. Users are advised to determine the optimal working conditions empirically in their own assay systems.
Guaranteed Quality
① Antibody purity > 95% tested by SDS-PAGE.
② Endotoxin level < 0.1EU/ug tested by LAL method.
Lead Time
3-4 weeks
Description

This recombinant monoclonal antibody is designed as a research-grade biosimilar to PY-265, targeting MARCO (Macrophage Receptor with Collagenous structure), a class A scavenger receptor primarily expressed on specific macrophage subsets. MARCO functions as a pattern recognition receptor that binds to bacteria, modified lipoproteins, and environmental particles, playing a crucial role in innate immunity and pathogen clearance. This receptor is particularly abundant on marginal zone macrophages in the spleen and alveolar macrophages in the lungs, where it mediates the uptake of unopsonized pathogens and particulate matter. MARCO has been implicated in various pathological conditions including bacterial infections, atherosclerosis, lung fibrosis, and tumor-associated macrophage biology in cancer research.

PY-265 is an established reference antibody widely used in immunological research for detecting and characterizing MARCO-expressing macrophage populations. This biosimilar antibody provides researchers with a reliable tool for investigating macrophage heterogeneity, innate immune responses, and MARCO's role in inflammatory diseases and tissue homeostasis. It serves as a valuable reagent for studies examining macrophage-mediated pathogen recognition and scavenger receptor function in both physiological and disease contexts.

Usage
It is a non-therapeutic biosimilar antibody, owning the same variable region from the corresponding approved therapeutic antibody. In conclusion, it is a research-grade biosimilar antibody and expressed in mammalian cell, which can be directly used as positive controls in drug discovery or used for rapid verification of the biological functions of target protein.

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Target Background

Function
Pattern recognition receptor (PRR) which binds Gram-positive and Gram-negative bacteria. Also plays a role in binding of unopsonized particles by alveolar macrophages. Binds to the secretoglobin SCGB3A2.
Gene References into Functions
  1. the absence of MARCO does not interfere with the efficiency of HSV-1 entry and that the inhibitory effect on viral adsorption by poly(I), a ligand of MARCO, is independent of MARCO. PMID: 29769337
  2. High surface expression of SR-A6 facilitates HAdV-C5 infection. PMID: 29522575
  3. These data suggest the SRCR domain of MARCO is the key domain in modulating ligand binding, enhancing downstream pro-inflammatory signaling and MARCO-mediated cellular adhesion. PMID: 26888252
  4. Expression of MARCO declined progressively as hepatocellular carcinoma condition is aggravated. PMID: 27806438
  5. MARCO single nucleotide polymorphisms rs12998782 increases risk to pulmonary tuberculosis in a Chinese Han population. PMID: 28693442
  6. CD36 and MARCO are associated with the susceptibility of Chinese Han females to carotid atherosclerosis. Menopausal status may affect the association between gene polymorphisms and carotid atherosclerosis in the female Chinese Han population. PMID: 28866086
  7. Increasing MARCO expression by targeting Nrf2 signaling or the Akt-TFEB-MARCO pathway are promising strategies to improve bacterial clearance and survival in postinfluenza bacterial pneumonia. PMID: 28408365
  8. results suggest that MARCO polymorphisms may regulate phagocytosis of M. tuberculosis and susceptibility and severity of pulmonary tuberculosis PMID: 27853145
  9. this paper shows that key gene of intermediate proinflammatory monocytes, such as MARCO, is expressed three- to fourfold more in juvenile idiopathic arthritis-enthesitis-related arthritis PMID: 27706807
  10. this study shows that MARCO modulates inflammatory responses against Cryptococcus neoformans infection PMID: 28298522
  11. this translational investigation identified gene candidates, including Marco, for host susceptibility to multiple phenotypes of RSV disease in mice that closely mimic human disease, and a polymorphism in human MARCO associated with increased risk of RSV disease severity in infants. PMID: 27554839
  12. Identifying N-linked glycan moiety and motifs in the cysteine-rich domain critical for N-glycosylation and intracellular trafficking of SR-AI and MARCO. PMID: 26892079
  13. identified as a disease-associated molecule in IgG4-related disease by DNA microarray PMID: 26886650
  14. None of the nonsynonymous variants discovered by resequencing of the structurally similar MARCO were associated with lung function or risk of COPD. PMID: 25186548
  15. Vaccinia virus bound directly to MARCO, and overexpression of MARCO increased susceptibility to vaccinia infection. PMID: 25089661
  16. Significant associations of four SNPs and haplotypes with antibody response to cholera vaccine in three genes, MARCO, TNFAIP3 and CXCL12. PMID: 23249958
  17. herpes simplex virus type 1 binds to MARCO to enhance its capacity for disease. PMID: 23739639
  18. We identified 9 non-synonymous variants in the MARCO gene and showed that these variants are not major risk factors for COPD or lung infection. H101Q heterozygotes had increased sepsis risk. PMID: 23154236
  19. Polymorphisms within the human class A scavenger receptor MARCO correlate with susceptibility/resistance to tuberculosis in a Gambian population. PMID: 23617307
  20. In this review, we showed that SR-A and MARCO trigger intracellular signaling, modulating pro-inflammatory and microbicidal activities of macrophages. PMID: 22470185
  21. This review demonstrated that class A SR and MARCO are major pattern recognition receptors mediating opsonin-independent phagocytosis. PMID: 22470186
  22. genetic variants in MARCO gene were associated with pulmonary tuberculosis susceptibility in Chinese Han population PMID: 21886847
  23. These results demonstrate that the S. mutans lipoprotein PpiA contributes to suppression of MARCO-mediated phagocytosis of this bacterium by macrophages. PMID: 21986627
  24. Data suggest that bacteria induce glial cell activation and rCRAMP expression via FPRL1 and MARCO, and these receptors contribute to the host defence against infection. PMID: 21299846
  25. MARCO is an important phagocytic receptor used by human and mouse macrophages to clear C. sordellii from the infected uterus PMID: 20810988
  26. An arginine-rich segment in domain V of MARCO and particularly its RXR motifs play a critical role in high-affinity bacterial binding. PMID: 11820786
  27. characterization of a MARCO protein domain involved in binding to bacteria PMID: 12097327
  28. Northern blot and in situ hybridization experiments indicate that MARCO is expressed by alveolar macrophages in the lung; retroviral vector-mediated expression cloning determines that MARCO is a receptor for UGRP1. PMID: 12847263
  29. a dominant role for MARCO in the human AM defense against inhaled particles and pathogens. PMID: 16237101
  30. Expansion of small sputum macrophages in cystic fibrosis shows a failure to express MARCO and CD206. PMID: 19403625

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Subcellular Location
Cell membrane; Single-pass type II membrane protein.
Tissue Specificity
Expressed in alveolar macrophages (at protein level). Detected in macrophages from various tissues including thymus, kidney, Kupffer cells of liver, and spleen.
Database Links

HGNC: 6895

OMIM: 604870

KEGG: hsa:8685

STRING: 9606.ENSP00000318916

UniGene: Hs.67726

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