SGMS2 Knockout HeLa Cell Line
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Product ID： LM02200164023
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隐藏域元素占位
- 产品描述
- 细胞复苏
- 细胞传代
- 细胞冻存
- 抗体验证结果
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- Commodity name: SGMS2 Knockout HeLa Cell Line
- Commodity ID: LM02200164023
- Gene Symbol: SGMS2 SMS2
- Ensembl ID: ENSG00000164023
- Uniprot ID: Q8NHU3
- 宿主细胞 / 类型: Hela/human cervical cancer cells
- NCBI Gene ID: 166929
- 规格: 1×10^6 cells/frozen vial
- 生长培养基: MEM (including NEAA) + 10% FBS + 1% P/S
- 筛选标记: N/A
- 生长特性: Adherent cells, epithelial-like
- 培养条件: Incubator at 37°C, 5% CO2, passage at 1/2 to 1/4 confluency
- 倍增时间: ~24-36 hours
- 参考换液频率: 2–3 times/week
- 支原体检测结果: Negative
- 敲除效率（Sanger测序）: 100%
- 蛋白质组验证结果: Protein-level validation has been completed.
- 抗体货号: Adding...
- 目标基因介绍: Sphingomyelin synthase that primarily contributes to sphingomyelin synthesis and homeostasis at the plasma membrane. Catalyzes the reversible transfer of phosphocholine moiety in sphingomyelin biosynthesis: in the forward reaction transfers phosphocholine head group of phosphatidylcholine (PC) on to ceramide (CER) to form ceramide phosphocholine (sphingomyelin, SM) and diacylglycerol (DAG) as by-product, and in the reverse reaction transfers phosphocholine from SM to DAG to form PC and CER. The direction of the reaction appears to depend on the levels of CER and DAG in the plasma membrane (PubMed:14685263, PubMed:17449912, PubMed:17982138, PubMed:18370930). Does not use free phosphorylcholine or CDP-choline as donors (PubMed:14685263). Can also transfer phosphoethanolamine head group of phosphatidylethanolamine (PE) on to ceramide (CER) to form ceramide phosphoethanolamine (CPE) (PubMed:19454763). Regulates receptor-mediated signal transduction via mitogenic DAG and proapoptotic CER, as well as via SM, a structural component of membrane rafts that serve as platforms for signal transduction and protein sorting (PubMed:17449912, PubMed:17982138). To a lesser extent, plays a role in secretory transport via regulation of DAG pool at the Golgi apparatus and its downstream effects on PRKD1 (PubMed:18370930, PubMed:21980337). Required for normal bone matrix mineralization (PubMed:30779713).
- 细胞开发路径: A stable KO cell line was generated using the CRISPR-RNP method; Sanger sequencing confirmed 100% knockout efficiency in the KO cell line.
- 应用: Gene knockout cell lines (KO Cell Lines) with high knockout efficiency are particularly well suited for initial functional analyses, the development of complex disease models, precision drug screening, and broad gene discovery studies.
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01. Pre-warm the complete culture medium in a 37°C water bath.
02. Thaw the cryovial in a 37°C water bath for 1–2 minutes.
03. Transfer the cryovial to a biosafety cabinet and wipe its surface with 70% ethanol.
04. Unscrew the cap of the cryovial and gently transfer the cell suspension into a sterile centrifuge tube containing 9 mL of complete culture medium.
05. Centrifuge at 125g for 5–7 minutes at room temperature, then discard the supernatant.
06. Resuspend the cell pellet in 5 mL of complete culture medium and transfer the cell suspension to a T25 culture flask.
07. Transfer the cells to a 37°C incubator with 5% CO2 for culture.
08. Recommended passaging ratio: Passaging at a ratio of 1/2 to 1/4; cells will confluence in 2–3 days. -
01. Cell passage can be performed when the cell confluence in the culture flask reaches 80%–90% or higher.
02. Remove the culture medium, PBS, and trypsin (0.25% Trypsin-EDTA Gibco 25200-056) from the 4°C refrigerator, place them in a 37°C water bath, and once their temperature approaches 37°C, take them out, spray the exterior of the bottles with 75% ethanol, and then transfer them to a biosafety cabinet.03. Remove the culture flask to be passaged from the incubator, spray the flask with 75% ethanol, and place it in a biosafety cabinet.
04. To avoid detaching the cells, rinse them with PBS along the inner wall of the culture flask; discard the wash solution, and add 2 mL of PBS to a T25 flask.
05. Add the appropriate volume of trypsin (1.5 mL for a T75 flask, 0.5 mL for a T25), and gently swirl the flask to ensure the enzyme evenly coats the bottom of the flask. Adjust the volume as needed. After approximately 1–2 minutes, when most cells have detached, add the appropriate volume of complete culture medium to stop the digestion, and use a 5-mL pipette to gently pipette up and down until all cells are detached.
06. Transfer the cell suspension to a 15 mL centrifuge tube, centrifuge at 300g for 5 min, and discard the supernatant.
07. Resuspend the cells in 5 mL of complete medium, adjust the seeding ratio as needed, and replenish the complete medium in the culture flasks—add up to 13–15 mL for T75 flasks and 5 mL for T25 flasks—and supplement with 1% double antibiotic.
08. After capping the bottle and tightening the cap, gently shake the bottle to mix the cells evenly, then place it in a 37°C, 5% CO2 incubator. -
01. Prepare the cryopreservation solution and pre-cool it in advance.
02. Ensure that the cells to be cryopreserved meet the cryopreservation requirements, and verify the following conditions under a microscope: healthy appearance and morphological characteristics, appropriate growth phase (late logarithmic phase), and absence of contamination or signs of decline.
03. Digest and centrifuge the cells (refer to the subculture protocol for specific steps).
04. Resuspend the cells in cryopreservation solution at 1 mL per tube, gently pipette to mix thoroughly, and then aliquot into cryovials.
05. Place the cells in a programmed cooling box and freeze them in a -80°C freezer.
06. The cells are subsequently transferred to a liquid nitrogen tank for long-term storage. - Western blot (WB) analysis was performed simultaneously on lysates from wild-type and KO cells using a specific monoclonal antibody; the target protein band was detected in WT cells but absent or diminished in KO cells.
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Classification： Gene-knockout cell line (protein levels validated)
Cell Line Information
Gene Symbol
SGMS2 SMS2
NCBI Gene ID
166929
Ensembl ID
ENSG00000164023
Uniprot ID
Q8NHU3
Screening marker
N/A
Host cell/type
Hela/human cervical cancer cells
Specifications
1×10^6 cells/frozen vial
Growth Medium
MEM (including NEAA) + 10% FBS + 1% P/S
growth characteristics
Adherent cells, epithelial-like
culture condition
Incubator at 37°C, 5% CO2, passage at 1/2 to 1/4 confluency
doubling time
~24-36 hours
Reference fluid change frequency
2–3 times/week
Mycoplasma test results
Negative
Knock-out validation
Knockout efficiency (Sanger sequencing)
100%
Proteome Validation Results
Protein-level validation has been completed.
Antibody number
Adding...
Antibody validation results
Cell Line Description
Introduction of target gene
Sphingomyelin synthase that primarily contributes to sphingomyelin synthesis and homeostasis at the plasma membrane. Catalyzes the reversible transfer of phosphocholine moiety in sphingomyelin biosynthesis: in the forward reaction transfers phosphocholine head group of phosphatidylcholine (PC) on to ceramide (CER) to form ceramide phosphocholine (sphingomyelin, SM) and diacylglycerol (DAG) as by-product, and in the reverse reaction transfers phosphocholine from SM to DAG to form PC and CER. The direction of the reaction appears to depend on the levels of CER and DAG in the plasma membrane (PubMed:14685263, PubMed:17449912, PubMed:17982138, PubMed:18370930). Does not use free phosphorylcholine or CDP-choline as donors (PubMed:14685263). Can also transfer phosphoethanolamine head group of phosphatidylethanolamine (PE) on to ceramide (CER) to form ceramide phosphoethanolamine (CPE) (PubMed:19454763). Regulates receptor-mediated signal transduction via mitogenic DAG and proapoptotic CER, as well as via SM, a structural component of membrane rafts that serve as platforms for signal transduction and protein sorting (PubMed:17449912, PubMed:17982138). To a lesser extent, plays a role in secretory transport via regulation of DAG pool at the Golgi apparatus and its downstream effects on PRKD1 (PubMed:18370930, PubMed:21980337). Required for normal bone matrix mineralization (PubMed:30779713).
Cell development path
A stable KO cell line was generated using the CRISPR-RNP method; Sanger sequencing confirmed 100% knockout efficiency in the KO cell line.
Application
Gene knockout cell lines (KO Cell Lines) with high knockout efficiency are particularly well suited for initial functional analyses, the development of complex disease models, precision drug screening, and broad gene discovery studies.
Cell Culture Instructions
Cell Resuscitation
01. Pre-warm the complete culture medium in a 37°C water bath.
02. Thaw the cryovial in a 37°C water bath for 1–2 minutes.
03. Transfer the cryovial to a biosafety cabinet and wipe its surface with 70% ethanol.
04. Unscrew the cap of the cryovial and gently transfer the cell suspension into a sterile centrifuge tube containing 9 mL of complete culture medium.
05. Centrifuge at 125g for 5–7 minutes at room temperature, then discard the supernatant.
06. Resuspend the cell pellet in 5 mL of complete culture medium and transfer the cell suspension to a T25 culture flask.
07. Transfer the cells to a 37°C incubator with 5% CO2 for culture.
08. Recommended passaging ratio: Passaging at a ratio of 1/2 to 1/4; cells will confluence in 2–3 days.
cell passage
01. Cell passage can be performed when the cell confluence in the culture flask reaches 80%–90% or higher.
02. Remove the culture medium, PBS, and trypsin (0.25% Trypsin-EDTA Gibco 25200-056) from the 4°C refrigerator, place them in a 37°C water bath, and once their temperature approaches 37°C, take them out, spray the exterior of the bottles with 75% ethanol, and then transfer them to a biosafety cabinet.
03. Remove the culture flask to be passaged from the incubator, spray the flask with 75% ethanol, and place it in a biosafety cabinet.
04. To avoid detaching the cells, rinse them with PBS along the inner wall of the culture flask; discard the wash solution, and add 2 mL of PBS to a T25 flask.
05. Add the appropriate volume of trypsin (1.5 mL for a T75 flask, 0.5 mL for a T25), and gently swirl the flask to ensure the enzyme evenly coats the bottom of the flask. Adjust the volume as needed. After approximately 1–2 minutes, when most cells have detached, add the appropriate volume of complete culture medium to stop the digestion, and use a 5-mL pipette to gently pipette up and down until all cells are detached.
06. Transfer the cell suspension to a 15 mL centrifuge tube, centrifuge at 300g for 5 min, and discard the supernatant.
07. Resuspend the cells in 5 mL of complete medium, adjust the seeding ratio as needed, and replenish the complete medium in the culture flasks—add up to 13–15 mL for T75 flasks and 5 mL for T25 flasks—and supplement with 1% double antibiotic.
08. After capping the bottle and tightening the cap, gently shake the bottle to mix the cells evenly, then place it in a 37°C, 5% CO2 incubator.
cell cryopreservation
01. Prepare the cryopreservation solution and pre-cool it in advance.
02. Ensure that the cells to be cryopreserved meet the cryopreservation requirements, and verify the following conditions under a microscope: healthy appearance and morphological characteristics, appropriate growth phase (late logarithmic phase), and absence of contamination or signs of decline.
03. Digest and centrifuge the cells (refer to the subculture protocol for specific steps).
04. Resuspend the cells in cryopreservation solution at 1 mL per tube, gently pipette to mix thoroughly, and then aliquot into cryovials.
05. Place the cells in a programmed cooling box and freeze them in a -80°C freezer.
06. The cells are subsequently transferred to a liquid nitrogen tank for long-term storage.
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