Recombinant Human Sal-Like Protein 4 (SALL4) Protein (His)

Name: Recombinant Human Sal-Like Protein 4 (SALL4) Protein (His)
Brand: Beta LifeScience
SKU: BLC-00038P
Price: 240.0 USD
Availability: InStock

Greater than 85% as determined by SDS-PAGE.

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100ug

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Product Overview

Description	Recombinant Human Sal-Like Protein 4 (SALL4) Protein (His) is produced by our Baculovirus expression system. This is a protein fragment.
Purity	Greater than 85% as determined by SDS-PAGE.
Uniprotkb	Q9UJQ4
Target Symbol	SALL4
Synonyms	AA407717; AL022809; AW536104; C330011P20Rik; C78083; C78563; dJ1112F19.1; DRRS; HSAL4; Sal like 4 (Drosophila); Sal like 4; Sal like Protein 4; Sal-like protein 4; Sall4; SALL4_HUMAN; Spalt like transcription factor 4; Tex20; Zinc finger protein 797; Zinc finger protein SALL4; ZNF797
Species	Homo sapiens (Human)
Expression System	Baculovirus
Tag	N-10His
Target Protein Sequence	PKEILAPSVNVDPVVWNQYTSMLNGGLAVKTNEISVIQSGGVPTLPVSLGATSVVNNATVSKMDGSQSGISADVEKPSATDGVPKHQFPHFLEENKIAVSRRRRRRRRRRR
Expression Range	954-1053aa+11R
Protein Length	Partial
Mol. Weight	16
Research Area	Developmental Biology
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	Transcription factor with a key role in the maintenance and self-renewal of embryonic and hematopoietic stem cells.
Subcellular Location	Cytoplasm. Nucleus.
Protein Families	Sal C2H2-type zinc-finger protein family
Database References	HGNC: 15924 OMIM: 147750 KEGG: hsa:57167 STRING: 9606.ENSP00000217086 UniGene: PMID: 29593314 the TRIM21 knockdown increases SALL1 levels, indicating that TRIM21 degrades both SALL1 and SALL4. PMID: 29511085 These data indicate that aberrantly expressed SALL4 in human choriocarcinoma cells may promote cell proliferation via beta-catenin/c-Myc pathway PMID: 28639477 SALL4 was significantly upregulated in glioma tissues and cell lines, and an inverse correlation between miR-98 and SALL4 expression in glioma tissues was identified. PMID: 29436585 TNFSF13, SPATC1L, SLC22A25 and SALL4 may thus be novel susceptibility loci for atrial fibrillation in the Japanese population PMID: 28849223 Study showed significantly high expression of SALL4 mRNA in glioma specimens as compared to non-tumor samples using RT-PCR. Blocking SALL4 using SALL4-siRNA decreased proliferation of U87 and U251 cells, which was reversed by the addition of PTEN inhibitor phen (bpv). Furthermore, marked increase in PTEN mRNA and protein levels was seen in cells treated with siRNA-SALL4. PMID: 28887597 SALL4 is a promising prognostic biomarker for cancer, and is appropriate for the assessment of cancer prognosis in the Chinese people. PMID: 28582841 Our experimental data indicated that over expression of SALL4 was found in CRC and low expression of SALL4 was connected with high survival rate after surgery. Thus our study suggested that SALL4 could serve as a potential diagnostic and prognostic marker of CRC. PMID: 28869451 SALL4 is a target gene of miR-181b in glioma.SALL4 is upregulated in glioma. PMID: 27938503 SALL4 is a target gene of mir-98 in non-small cell lung cancer cells. PMID: 27938506 miR-98 plays a suppressive role in the proliferation, migration, invasion and EMT of HCC cells, partly at least, via directly inhibition of SALL4. PMID: 27677076 SALL4 immunopositivity is not a prognostic factor in Combined hepatocellular carcinoma (HCC) and cholangiocarcinoma (CC) (cHCC-CC); however, it is associated with alpha-fetoprotein, glypican 3 and EpCAM immunopositivity, indicating the mechanism of carcinogenesis. PMID: 26267070 these data suggest that Bmi-1 could serve as a novel prognostic biomarker in pediatric primary acute lymphoblastic leukemia (ALL)and may be partially regulated by Sall4a. Our study also showed that Bmi-1 could serve as a new therapeutic target for the treatment of pediatric ALL. PMID: 28122538 SALL4 overexpression is associated with neoplasms. PMID: 27007163 Findings indicate that long-term exposure to IM results in dysregulation of stem cell renewal-regulatory Hippo (MST1/2)/YAP signaling, and that inhibition of miR-181a using a microRNA sponge inhibitor resulted in decreased transcription of SOX2 and SALL4. PMID: 28103766 Study showed that SALL4 was overexpressed in a majority of human esophageal squamous cell carcinoma (ESCC) tissues and that aberrantly activated SALL4 may contribute to esophageal tumorigenesis by promoting malignant proliferation and inhibiting cell apoptosis, regulating esophageal squamous cell migration, invasion and cell cycle. PMID: 27329034 Data show that SALL4 promotes the expression of Glut1 and open chromatin through a HP1alpha-dependent mechanism. PMID: 28759035 Our report is the first description of structural eye defects associated with two missense variants in SALL4 inherited in trans; the absence of reported findings in both parents suggests that both sequence variants are hypomorphic mutations and that both are needed for the ocular phenotype. PMID: 27661448 our study showed that SALL4 plays an important role in regulating the proliferation, migration, and invasion of osteosarcoma cells. PMID: 27983924 The SALL4 - integrin alpha6 - integrin beta1 network promotes cell migration for metastasis via activation of focal adhesion dynamics in basal-like breast cancer cells. PMID: 27773610 Coexpression of SALL4 with HDAC1 and/or HDAC2 was associated with PTEN underexpression and a poor prognosis in hepatocellular carcinoma. PMID: 28411180 SALL4 has a negative impact in DNA damage repair, and support the model of dual functional properties of SALL4 in leukemogenesis through inhibiting DNA damage repair and promoting cell survival. PMID: 27132514 demethylation of CpGs located within OCT4 and STAT3 cis-acting elements, downstream of SALL4 TSS, enables OCT4 and STAT3 binding, recruitment of BRG1, and enhanced RNA polymerase II elongation and SALL4 transcription PMID: 27797380 SALL4 was expressed in 100% of choriocarcinomas and it was not detected in any placental site trophoblastic tumor and epithelioid trophoblastic tumor. PMID: 27068524 SALL4 is useful for subtyping hepatoblastoma, and high SALL4 expression is associated with decreased survival in hepatoblastoma. PMID: 27252091 expression detected in 36% of undifferentiated/dedifferentiated endometrial carcinomas, not other in high-grade endometrial carcinomas PMID: 28272224 miR33b suppresses the proliferation and metastasis of hepatocellular carcinoma cells through the inhibition of SALL4 expression. PMID: 28026002 this study demonstrates that miR-16 plays a suppressive role in regulating cell proliferation, migration and invasion, and EMT in glioma, at least in part by directly targeting SALL4. PMID: 27748823 We evaluate the effects of siRNA-inhibited expression of the SALL4 gene on the proliferation, colony formation, and apoptosis of prostate cancer C4-2 cells. Silencing SALL4 expression by using siRNA technology inhibited the proliferation and colony formation of C4-2 cells, and promoted apoptosis likely mediated by Bcl-2 and Bax expression. PMID: 27323021 the under-expression of SOX1 was associated significantly with SALL4 overexpression. This study was the first to evaluate SOX1 underexpression and its association with poor prognosis in esophageal squamous cell carcinoma. PMID: 27576349 Hepatocellular carcinoma patients with higher expression levels of SALL4 and AFP have worse prognosis. PMID: 26973422 Persistent expression of SALL4 in metastatic MGCTs resistant to chemoradiation also raises the possibility for targeted systemic therapy as the anti-SALL4 peptide continues to be developed PMID: 25906119 SALL4 and beta-catenin were positively correlated in colorectal cancer. PMID: 26779651 SALL4 was highly expressed and correlated with poor prognosis in SOC patients, promoting invasion and metastasis of OC cells. PMID: 26750614 Study reports a novel heterozygous frameshift insertion in SALL4, c.410dupG (p.Gly138Argfs*43) segregating with Okihiro syndrome in a Brazilian pedigree with five affected individuals; the c.410dupG variant in SALL4 gene reported here is the cause of Okihiro syndrome without Duane anomaly, but with foot defect in one affected individual. PMID: 26791099 By inhibition of SALL4 expression, the proliferation, invasiveness and drug resistance were dramatically reduced while apoptosis rate was up-regulated. PMID: 26617716 SALL4 expression in squamous cell carcinoma of the esophagus may constitute a sign of dedifferentiation leading to poor patient prognosis PMID: 26818834 SALL4 has an oncogenic role in intrahepatic cholangiocarcinoma PMID: 26317546 review aims to summarize our current knowledge of SALL4, including a SALL4-based approach to classify and target cancers PMID: 26892498 SALL4 could induce Epithelial-mesenchymal transition and resistance to antineoplastic drugs through the regulation of c-Myc. SALL4 and c-Myc may be novel therapeutic targets for endometrial cancer. PMID: 26407074 The results show that miR-219-5p inhibited carcinogenesis of colon cancer by targeting oncogene Sall4 PMID: 26238082 identifies the KRLR sequence as a bona fide nuclear localization signal for SALL4B. PMID: 24626181 An atypical 0.73 MB microduplication of 22q11.21 and a novel SALL4 missense mutation associated with thumb agenesis and radioulnar synostosis. PMID: 25823593 The mechanism through which miR-33b inhibits the stemness, migration and invasion of breast cancer cells is by targeting HMGA2, SALL4 and Twist1. PMID: 25919570 Results indicate that SALL4 overexpression acts as a natural resistance factor and may be involved in the recurrence of lung cancer after adjuvant chemotherapy. PMID: 25646965 Results indicated that the SALL4 may play an important role in progression, development and maintenance of glioma PMID: 25359397 Despite moderate sensitivity, SALL4 expression may aid in distinguishing Malignant rhabdoid tumours from epithelioid sarcomas PMID: 24827994 Aberrant SALL4 expression has been found in nearly all AML cases, whereas, in normal bone marrow and peripheral blood cells, its expression is only restricted to hematopoietic stem/progenitor cells. PMID: 25737450 the evaluation of ERG and SALL4 immunoexpressions may be a useful diagnostic tool to distinguish epithelioid sarcoma, especially proximal type, from malignant rhabdoid tumor PMID: 25479928 SALL4 has functional roles in metastasis and drug resistance in aggressive endometrial cancer PMID: 24336327

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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.

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