Recombinant Human ROR1 Protein

Name: Recombinant Human ROR1 Protein
Brand: Beta LifeScience
SKU: BL-0432SG
Availability: InStock

Collections: All products, Antibody / cell therapy targets, Antibody therapeutic / adc target proteins, High-quality recombinant proteins, Recombinant cell therapy targets for car-t research

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Product Overview

Tag	GST
Host Species	Human
Accession	NM_005012
Synonym	dJ537F10.1; NTRKR1
Background	ROR1 is a glycosylated type I membrane protein that belongs to the ROR subfamily of cell surface receptors that play a role in the control of most basic cellular processes including cell proliferation, differentiation, migration and metabolism (1). Many human breast cancers express the ROR1 protein and high-level expression of ROR1 in breast adenocarcinoma is associated with aggressive disease. Silencing expression of ROR1 in human breast cancer cell lines found to express this protein impaired their growth in vitro and also in immune-deficient mice (2).
Description	Recombinant human ROR1(429-end) was produced by baculovirus in Sf9 insect cells, fused with a GST tag at N-terminus. This protein is purified with our unique purification methods.
Source	Sf9 insect cells
AA Sequence	429a.a.-end
Molecular Weight	~82 kDa
Purity	For specific purity information on a given lot, see related COA.
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Bioactivity	Active
Formulation	Recombinant protein is supplied in 50mM Tris-HCl, pH 7.5, 50mM NaCl, 10mM Glutathione, 0.25mM DTT, 0.1mM EDTA, 0.1mM PMSF and 25% glycerol.
Stability	The recombinant protein is stable for up to 12 months at -70°C
Usage	For Research Use Only
Storage	Recombinant Human ROR1 Protein should be stored should be stored at < -70°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

Target Details

Target Function	Has very low kinase activity in vitro and is unlikely to function as a tyrosine kinase in vivo. Receptor for ligand WNT5A which activate downstream NFkB signaling pathway and may result in the inhibition of WNT3A-mediated signaling. In inner ear, crucial for spiral ganglion neurons to innervate auditory hair cells.
Subcellular Location	Membrane; Single-pass type I membrane protein. Cell projection, axon.
Protein Families	Protein kinase superfamily, Tyr protein kinase family, ROR subfamily
Database References	HGNC: 10256 OMIM: 602336 KEGG: hsa:4919 STRING: 9606.ENSP00000360120 UniGene: PMID: 29850623 Results find ROR1 as the direct target of miR30a, and show that ROR1 contributes to mir30amediated suppression of TNBC (triple negative breast cancer) cell invasion and migration. PMID: 29693179 ROR1 and ROR2 play distinct roles in endometrial cancer. ROR1 may promote tumor progression, while ROR2 may act as a tumor suppressor in endometrioid endometrial cancer. PMID: 29395309 ROR1 is a promising immunotherapeutic target in many epithelial tumors; however, high cell surface ROR1 expression in multiple normal tissues raises concerns for on-target off-tumor toxicities. Clinical translation of ROR1-targeted therapies warrants careful monitoring of toxicities to normal organs and may require strategies to ensure patient safety PMID: 27852699 Report shows that ROR1 is highly expressed in colorectal cancer (CRC) tissues when compared with their adjacent normal tissues. The Kaplan-Meier curve indicated that the CRC patients with higher ROR1 expression had significantly shorter overall survival (OS), and those with lower ROR1 expression had longer OS. PMID: 28427197 this study reveals that 14-3-3zeta plays a critical role in Wnt5a/ROR1 signaling, leading to enhanced CLL migration and proliferation. PMID: 28465528 these studies indicate HS1 plays an important role in ROR1-dependent Wnt5a-enhanced chemokine-directed leukemia-cell migration. PMID: 28465529 This study demonstrates expression of ROR1 and its putative ligand Wnt5a in Ewing sarcomas, and of an active ROR1 protein variant in cell lines. ROR1 silencing impaired cell migration in vitro. PMID: 26739507 expression of ROR1 may promote leukemia-cell activation and survival and enhance disease progression in patients with chronic lymphocytic leukemia. PMID: 27815263 the mechanistic regulation and linkage of the ROR1-HER3 and Hippo-YAP pathway in a cancer-specific context PMID: 28114269 Data show that ROR1 contributes to melanoma progression by promoting cell growth and migration. PMID: 26509654 High ROR1-DNAJC6 expression is associated with neoplasms. PMID: 27153396 we aim to present an overview of the efforts and scientific achievements in targeting ROR family, particularly ROR-1, for the diagnosis and treatment of chronic lymphocytic leukemia --{REVIEW} PMID: 28160756 that strong ROR1 expression might be an independent adverse prognostic factor in triple negative breast cancer PMID: 26874851 Ror1 is crucial for spiral ganglion neurons to innervate auditory hair cells. Impairment of ROR1 function largely affects development of the inner ear and hearing in humans and mice. PMID: 27162350 targeting ROR1 can induce differentiation of cancer stem cells and inhibit metastasis in glioblastoma; in addition, ROR1 may be used as a potential marker for glioblastoma stem cells as well as a potential target for glioblastoma stem cell therapy PMID: 26923195 expression of ROR1 was significantly higher in colorectal carcinoma tissues than in tumor-adjacent tissues PMID: 27126945 these findings revealed that miR382 inhibits migration and invision by targeting ROR1 through regulating EMT in ovarian cancer, and might serve as a tumor suppressor in ovarian cancer. PMID: 26575700 Data show that silencing receptor tyrosine kinases (RTKs) ROR2 and ROR1 has a strong inhibitory effect on the ability of ovarian cancer cells to proliferate, migrate and invade. PMID: 26515598 the b-catenin-independent WNT score correlated with reduced overall survival only in the metastasized situation . This is in line with the in vitro results of the alternative WNT receptors ROR1 and ROR2, which foster invasion PMID: 26862065 The present findings thus support our notion that ROR1 sustains lung adenocarcinoma survival, at least in part, through direct physical interaction with ASK1 PMID: 26661061 High expression of ROR1 (63%), pAkt (36%), and pCREB (20%) was observed in gastric adenocarcinomas, and expression of these proteins was well intercorrelated. PMID: 26245996 This study identifies an interaction between ROR1 and ROR2 that is required for Wnt5a signaling that promotes leukemia chemotaxis and proliferation. PMID: 26690702 miR-27b-3p suppresses cell proliferation through targeting receptor tyrosine kinase like orphan receptor 1 in gastric cancer PMID: 26576539 Data show that the majority of chronic lymphocytic leukemia (CLL) patients had antibodies against receptor tyrosine kinase ROR1. PMID: 26562161 This study reports an unanticipated function of ROR1 as a scaffold of cavin-1 and caveolin-1, two essential structural components of caveolae. PMID: 26725982 Both IGF1R and ROR1 can be effectively targeted by SB modified CAR T cells. PMID: 26173023 Significantly down-regulates the activity of the PI3K/AKT/mTOR signaling pathway. PMID: 25978653 Human ROR1 and ROR2 are receptor tyrosine kinase-like pseudokinases. PMID: 25029443 The newly developed OSU-2S delivery using ROR1-directed immunonanoparticles provide selective targeting of OSU-2S to MCL and other ROR1(+) malignancies, sparing normal B cells. PMID: 25937048 ROR1 expression is correlated with malignant attributes of ovarian cancer and it may serve as a novel prognostic marker in ovarian cancer. PMID: 25056203 Data indicate that shRNA silencing of type I receptor tyrosine kinase-like orphan receptor (ROR1) cells, or treatment with anti-ROR1 mAb UC-961 impaired the capacity of ovarian cancer cells to form spheroids or tumor xenografts. PMID: 25411317 ROR1 is only detectable in embryonic tissue and generally absent in adult tissue, making the protein an ideal drug target for cancer therapy. [Review] PMID: 24752542 CLL cells expressed different isoforms of ROR1. PMID: 24205204 Data shows that ROR1 and ROR2 are inversely expressed in melanomas and negatively regulate each other. Also, hypoxia initiates a shift of ROR1-positive melanomas to a more invasive, ROR2-positive phenotype. PMID: 24104062 ROR1 can interact with TCL1 and enhance leukemogenesis in Emu-TCL1 transgenic mice. PMID: 24379361 Our results show that customizing spacer design and increasing affinity of ROR1-CARs enhances T-cell effector function and recognition of ROR1(+) tumors. PMID: 23620405 ROR1 may play a role in the survival of melanoma cells PMID: 23593420 Data indicate that type I receptor tyrosine kinase-like orphan receptor ROR1 may regulate EMT and metastasis and that antibodies targeting ROR1 can inhibit cancer progression and metastasis. PMID: 23771907 that the receptor tyrosine kinase ROR1 was overexpressed in most patients with various hematological malignancies of both lymphoid and myeloid origins. PMID: 22988987 cell surface expression in pediatric B-ALL along with its virtual absence from normal tissues and circulating cells makes ROR1 a promising target for mAb-based therapies. PMID: 23285131 Many different human cancers express ROR1 and ROR1 may play a functional role in promoting tumor cell growth. PMID: 23041612 t(1;19) Acute Lymphoblastic Leukemia cells universally exhibit expression of and dependence on the cell surface receptor ROR1. PMID: 23153538 ROR1 was overexpressed in acute lymphoblastic leukemia PMID: 22369092 ROR1 is expressed in human breast cancers and has biological and clinical significance PMID: 22403610 nuclear-localized ROR1 may play an important role in cell migration and cytoskeleton remodeling PMID: 22199287 Ror1 undergoes complex post-translational modifications by glycosylation and mono-ubiquitination. These modifications regulate Ror1 localization and signalling, and are highly variable among individual chronic lymphocytic leukemia patients. PMID: 21481194 ROR1 is uniformly and highly expressed in all in chronic lymphocytic leukemia (CLL) cases at initial diagnosis and can serve as a diagnostic tool. PMID: 21531460 ROR1 is expressed on hematogones (non-neoplastic human B-lymphocyte precursors) and a minority of precursor-B acute lymphoblastic leukemia. PMID: 21813176 A panel of mAbs demonstrated high affinity and specificity for a diverse set of epitopes that involve all three extracellular domains of ROR1, are accessible on the cell surface, and mediate internalization PMID: 21698301

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.