Tpcn2 Knockout ibmdm Cell Line
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Product ID： LM02108048677
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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: Tpcn2 Knockout ibmdm Cell Line
- Commodity ID: LM02108048677
- Gene Symbol: Tpcn2, Tpc2
- Ensembl ID: ENSMUSG00000048677
- Uniprot ID: Q8BWC0
- 宿主细胞 / 类型: Immortalized mouse bone marrow macrophages
- NCBI Gene ID: 233979
- 规格: 1×10^6 cells/frozen vial
- 生长培养基: Specialized culture medium
- 筛选标记: N/A
- 生长特性: Adherent cells, irregular morphology
- 培养条件: Incubator at 37°C with 5% CO2; passage at 1/2 to 1/4 confluence.
- 倍增时间: ~24-48 hours
- 参考换液频率: 2–3 times per 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: Intracellular channel initially characterized as a non-selective Ca2+-permeable channel activated by NAADP (nicotinic acid adenine dinucleotide phosphate), it is also a highly-selective Na+ channel activated directly by PI(3,5)P2 (phosphatidylinositol 3,5-bisphosphate) (PubMed:19387438, PubMed:20495006, PubMed:20547763, PubMed:25144390, PubMed:27231233). Localizes to the lysosomal and late endosome membranes where it regulates organellar membrane excitability, membrane trafficking, and pH homeostasis. Is associated with a plethora of physiological processes, including mTOR-dependent nutrient sensing, skin pigmentation and autophagy (PubMed:23063126, PubMed:23394946, PubMed:25144390). Ion selectivity is not fixed but rather agonist-dependent and under defined ionic conditions, can be readily activated by both NAADP and PI(3,5)P2. As calcium channel, it increases the pH in the lysosomal lumen, as sodium channel, it promotes lysosomal exocytosis (PubMed:32167471). Plays a crucial role in endolysosomal trafficking in the endolysosomal degradation pathway and is potentially involved in the homeostatic control of many macromolecules and cell metabolites (PubMed:19387438, PubMed:20495006, PubMed:20547763, PubMed:23063126, PubMed:23394946, PubMed:25144390, PubMed:32167471). Also expressed in melanosomes of pigmented cells where mediates a Ca2+ channel and/or PI(3,5)P2-activated melanosomal Na+ channel to acidify pH and inhibit tyrosinase activity required for melanogenesis and pigmentation (PubMed:27231233). Unlike the voltage-dependent TPCN1, TPCN2 is voltage independent and can be activated solely by PI(3,5)P2 binding. In contrast, PI(4,5)P2, PI(3,4)P2, PI3P and PI5P have no obvious effect on channel activation (By similarity).
- 细胞开发路径: A stable KO cell line was generated using the CRISPR‑RNP approach; Sanger sequencing confirmed 100% knockout efficiency in the target cell line.
- 应用: A gene knockout cell line with high knockout efficiency, particularly well suited for preliminary functional analyses, the development of complex disease models, precision drug screening, and broad‑scale gene discovery studies.
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01. Preheat 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 cryovials into a biosafety cabinet and wipe their surfaces 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 room temperature at 125g for 5–7 minutes, 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 passage ratio: 1/2 to 1/4; cells reach confluence in 2–3 days. -
01. When the cell confluence in the culture flask reaches 80%–90% or higher, cells can be passaged.
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, then transfer them to a biosafety cabinet.03. Remove the culture flask to be passaged from the incubator, spray the exterior of the flask with 75% ethanol, and place it inside a biosafety cabinet.
04. To avoid dispersing the cells, gently rinse the cells along the inner wall of the culture flask with PBS; discard the wash solution, and add 2 mL of PBS to the T25 flask.
05. Add the appropriate volume of trypsin (1.5 mL for a T75 flask, 0.5 mL for a T25 flask), and gently swirl the flask to ensure the enzyme evenly covers the cell‑covered bottom. Adjust the volume as needed based on the specific conditions. After approximately 1–2 minutes, when most of the cells have detached, add the corresponding volume of complete culture medium to stop the digestion, then gently pipette up and down with a 5‑mL pipette until all cells are fully detached.
06. Transfer the cell suspension to a 15 mL centrifuge tube, centrifuge at 300 × g for 5 minutes, and discard the supernatant.
07. Transfer 5 mL of complete culture medium to resuspend the cells, adjust the seeding ratio as needed, and replenish the culture flask with complete medium—add up to 13–15 mL for a T75 flask or 5 mL for a T25 flask—and supplement with 1% double antibiotic solution.
08. After capping the bottle and tightening the lid, gently shake the vial to ensure uniform cell suspension, then place it in a 37°C incubator with 5% CO2. -
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, being in the late logarithmic growth phase, and showing no signs of contamination or senescence.
03. Digest and centrifuge the cells (refer to the subculture protocol for specific steps).
04. Resuspend the cells in cryopreservation medium at 1 mL per tube, gently pipette up and down to ensure uniformity, and then aliquot into cryovials.
05. Place the cells in a programmed cooling box and freeze them in a −80°C freezer.
06. Subsequently, the cells are transferred to a liquid nitrogen tank for long-term storage. - In antibody validation
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Classification： Gene-knockout cell line (protein levels validated)
Cell Line Information
Gene Symbol
Tpcn2, Tpc2
NCBI Gene ID
233979
Ensembl ID
ENSMUSG00000048677
Uniprot ID
Q8BWC0
Screening marker
N/A
Host cell/type
Immortalized mouse bone marrow macrophages
Specifications
1×10^6 cells/frozen vial
Growth Medium
Specialized culture medium
growth characteristics
Adherent cells, irregular morphology
culture condition
Incubator at 37°C with 5% CO2; passage at 1/2 to 1/4 confluence.
doubling time
~24-48 hours
Reference fluid change frequency
2–3 times per 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
Intracellular channel initially characterized as a non-selective Ca2+-permeable channel activated by NAADP (nicotinic acid adenine dinucleotide phosphate), it is also a highly-selective Na+ channel activated directly by PI(3,5)P2 (phosphatidylinositol 3,5-bisphosphate) (PubMed:19387438, PubMed:20495006, PubMed:20547763, PubMed:25144390, PubMed:27231233). Localizes to the lysosomal and late endosome membranes where it regulates organellar membrane excitability, membrane trafficking, and pH homeostasis. Is associated with a plethora of physiological processes, including mTOR-dependent nutrient sensing, skin pigmentation and autophagy (PubMed:23063126, PubMed:23394946, PubMed:25144390). Ion selectivity is not fixed but rather agonist-dependent and under defined ionic conditions, can be readily activated by both NAADP and PI(3,5)P2. As calcium channel, it increases the pH in the lysosomal lumen, as sodium channel, it promotes lysosomal exocytosis (PubMed:32167471). Plays a crucial role in endolysosomal trafficking in the endolysosomal degradation pathway and is potentially involved in the homeostatic control of many macromolecules and cell metabolites (PubMed:19387438, PubMed:20495006, PubMed:20547763, PubMed:23063126, PubMed:23394946, PubMed:25144390, PubMed:32167471). Also expressed in melanosomes of pigmented cells where mediates a Ca2+ channel and/or PI(3,5)P2-activated melanosomal Na+ channel to acidify pH and inhibit tyrosinase activity required for melanogenesis and pigmentation (PubMed:27231233). Unlike the voltage-dependent TPCN1, TPCN2 is voltage independent and can be activated solely by PI(3,5)P2 binding. In contrast, PI(4,5)P2, PI(3,4)P2, PI3P and PI5P have no obvious effect on channel activation (By similarity).
Cell development path
A stable KO cell line was generated using the CRISPR‑RNP approach; Sanger sequencing confirmed 100% knockout efficiency in the target cell line.
Application
A gene knockout cell line with high knockout efficiency, particularly well suited for preliminary functional analyses, the development of complex disease models, precision drug screening, and broad‑scale gene discovery studies.
Cell Culture Instructions
Cell Resuscitation
01. Preheat 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 cryovials into a biosafety cabinet and wipe their surfaces 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 room temperature at 125g for 5–7 minutes, 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 passage ratio: 1/2 to 1/4; cells reach confluence in 2–3 days.
cell passage
01. When the cell confluence in the culture flask reaches 80%–90% or higher, cells can be passaged.
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, then transfer them to a biosafety cabinet.
03. Remove the culture flask to be passaged from the incubator, spray the exterior of the flask with 75% ethanol, and place it inside a biosafety cabinet.
04. To avoid dispersing the cells, gently rinse the cells along the inner wall of the culture flask with PBS; discard the wash solution, and add 2 mL of PBS to the T25 flask.
05. Add the appropriate volume of trypsin (1.5 mL for a T75 flask, 0.5 mL for a T25 flask), and gently swirl the flask to ensure the enzyme evenly covers the cell‑covered bottom. Adjust the volume as needed based on the specific conditions. After approximately 1–2 minutes, when most of the cells have detached, add the corresponding volume of complete culture medium to stop the digestion, then gently pipette up and down with a 5‑mL pipette until all cells are fully detached.
06. Transfer the cell suspension to a 15 mL centrifuge tube, centrifuge at 300 × g for 5 minutes, and discard the supernatant.
07. Transfer 5 mL of complete culture medium to resuspend the cells, adjust the seeding ratio as needed, and replenish the culture flask with complete medium—add up to 13–15 mL for a T75 flask or 5 mL for a T25 flask—and supplement with 1% double antibiotic solution.
08. After capping the bottle and tightening the lid, gently shake the vial to ensure uniform cell suspension, then place it in a 37°C incubator with 5% CO2.
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, being in the late logarithmic growth phase, and showing no signs of contamination or senescence.
03. Digest and centrifuge the cells (refer to the subculture protocol for specific steps).
04. Resuspend the cells in cryopreservation medium at 1 mL per tube, gently pipette up and down to ensure uniformity, and then aliquot into cryovials.
05. Place the cells in a programmed cooling box and freeze them in a −80°C freezer.
06. Subsequently, the cells are transferred to a liquid nitrogen tank for long-term storage.
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