Phospholipid-PEG-Biotin (MW 3400) is a derivative of phospholipid PEG, featuring a biotin and a phospholipid connected via a linear PEG linker. This compound has the capability to bind with avidinylated antibodies and is utilized for the modification of liposome and cell surfaces, as well as pancreatic islets in cell transplantation applications [1] [2] [3].

Phospholipid-PEG-Biotin (MW 5000), a derivative of phospholipid PEG, serves to modify the surfaces of liposomes, cells, and pancreatic islets for cell transplantation. This compound incorporates a phospholipid (a lipid featuring a hydrophilic head and two hydrophobic tails ), PEG (a hydrophilic, water-soluble polymer with low toxicity), and Biotin (an enzyme co-factor useful for protein labeling) [1].

Phospholipid-PEG-Biotin (MW 10000 and 3400) is a derivative comprising a biotin and a phospholipid connected via a linear PEG linker. This compound is capable of interacting with avidinylated antibodies and is utilized for modifying the surfaces of liposomes, cells, and pancreatic islets for cellular transplantation [1] [2] [3].

Phospholipid PL1, a phospholipid-derived nanoparticle, efficiently delivers costimulatory receptor mRNA (CD137 or OX40) to T cells, thereby inducing the activation of immune cells such as T cells and dendritic cells (DCs) to enhance antitumor immunity [1].

Phospholipid-PEG-Biotin (MW 1000 and MW 3400) is a derivative of a phospholipid and PEG, featuring a biotin moiety and a phospholipid connected via a linear PEG linker. This compound, particularly with a molecular weight of 3400, is capable of interacting with avidinylated antibodies. It finds applications in modifying the surface of liposomes, cells, and pancreatic islets, making it useful in cell transplantation [1] [2] [3].

Phospholipid-PEG-Biotin (MW 20000 and MW 3400) is a derivative combining biotin and phospholipid via a linear PEG linker, capable of interacting with avidinylated antibodies. This compound facilitates the modification of liposome and cell surfaces, including pancreatic islets for cell transplantation [1] [2] [3].

Phospholipid-PEG-Biotin (MW 2000), a biotin-labeled phospholipid PEG derivative, is designed for modifying the surfaces of liposomes, cells, and pancreatic islets intended for cell transplantation. This compound integrates the properties of three distinct components: phospholipids, which are lipids featuring a hydrophilic head and two hydrophobic tails ; PEG, a low-toxicity, water-soluble, hydrophilic polymer; and biotin, an enzyme co-factor utilized in protein labeling [1].

Lipofundin S is an emulsion containing soybean oil, glycerol, and soy phosphatides.

CoPoP, a liposome-based vaccine adjuvant, holds potential for application in cancer research [1].

GPX4 24, a derivative of (1S,3R)-RSL3, acts as a potent inhibitor of glutathione peroxidase 4 (GPX4) through covalent binding in a concentration-dependent manner within 4T1 murine mammary carcinoma cells. This compound effectively induces ferroptosis in GPX4-dependent HT-1080 fibrosarcoma cells with an EC50 value of 0.16 µM. Additionally, at a dose of 200 mg/kg, GPX4 24 elevates malondialdehyde (MDA) levels in both kidney and plasma of mice, highlighting its impact on lipid peroxidation.

1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) is a phospholipid containing the unsaturated long-chain (18:1) oleic acid inserted at the sn-1 and sn-2 positions.

VB 201 is an oxidized phospholipid small molecule with anti-inflammatory activity that inhibits CD14 and Toll-like receptor 2-dependent innate cell activation and limits atherosclerosis, and can be used to study atherosclerosis.

G-Protein antagonist peptide acetate is a truncated substance P-related peptide, competes with receptor for G protein binding. G-Protein antagonist peptide acetate inhibits the activation of Gi or Go by M2 muscarinic cholinergic receptor (M2 mAChR) or of Gs by beta-adrenergic receptor in the reconstituted phospholipid vesicles, assayed by receptor-promoted GTP hydrolysis

CT-2584 is an anticancer agent that inhibits phospholipid signaling and kills tumor cells through the production of reactive oxygen intermediates. CT-2584 reduces NKEF-B expression in several tumor cell types. CT-2584 reduced tumor growth in SCID mice by causing shunting of ab initio phospholipid biosynthesis from phosphatidylcholine (PC) to phosphatidylinositol (PI) via PA.

PAF (C16) is a potent MAPK and MEK/ERK activator that induces increased vascular permeability. PAF (C16) (PAF (C16)) is a platelet-activating factor, a phospholipid-derived mediator and a ligand for PAF G protein-coupled receptor (PAFR). PAF (C16) has shown anti-apoptotic and anti-inflammatory activity in vitro, inhibiting Caspase-dependent apoptosis by interacting with its receptor (PAF-R) to perform cell signaling.

Glycerophospholipids, cephalins (Phosphatidylethanolamines (egg)) are a mixture of phosphatidylethanolamines isolated from eggs, with various fatty acyl groups at the sn-1 and sn-2 positions. Glycerophospholipids and cephalins can be completely hydrolyzed to obtain 1 mol of glycerol, phosphoric acid, ethanolamine and 2 mol of fatty acids. Phosphatidylethanolamines play a role in membrane fusion and disassembly of contractile rings during cell division, regulating membrane curvature. Phosphatidylethanolamines are able to transmit infectious prions without the help of any proteins or nucleic acids. One of the main roles of Phosphatidylethanolamines in bacterial membranes is to disperse the negative charges caused by anionic membrane phospholipids.

1-Stearoyl-2-15(S)-HpETE-sn-glycero-3-PC is a phospholipid that contains stearic acid at the sn-1 position and 15(S)-HpETE at the sn-2 position. It is produced via oxidation of 1-stearoyl-2-arachidonoyl-sn-glycero-3-PC by 15-lipoxygenase (15-LO). 1-Stearoyl-2-15(S)-HpETE-sn-glycero-3-PC is toxic to human umbilical vein endothelial cells (HUVECs) when used at a concentration of 100 μM.

1-Stearoyl-2-adrenoyl-sn-glycero-3-PE is a phospholipid that contains stearic acid and adrenic acid at thesn-1 andsn-2 positions, respectively. 1-Stearoyl-2-adrenoyl-sn-glycero-3-PE levels are inversely correlated with subject age in mitochondria isolated from human post-mortem hippocampus.1 1.Hancock, S.E., Friedrich, M.G., Mitchell, T.W., et al.Decreases in phospholipids containing adrenic and arachidonic acids occur in the human hippocampus over the adult lifespanLipids50(9)861-872(2015)

1-Arachidonoyl lysophosphatidic acid is a phospholipid containing arachidonic acid at the sn-1 position. It has been found in rat brain as 37% of the arachidonic acid-containing lysophosphatidic acid (LPA) species and is a precursor to 1-arachidonoyl glycerol . 1-Arachidonoyl lysophosphatidic acid binds to the LPA2/EDG4 receptor with an EC50 value of approximately 10 nM. It prevents TNF-α and IL-6 secretion in wild-type but not Lpa2-/- dendritic cells stimulated by LPS. It also decreases differentiation of HT-29 human colon carcinoma cells to goblet cells in the presence of sodium butyrate.

Dioleoylphosphatidylglycerol (DOPG), a naturally occurring phospholipid, is synthesized through the action of aquaporin 3 (AQP3) and phospholipase D2 (PLD2). It functions to suppress the production of inflammatory mediators by macrophages triggered by the activation of toll-like receptor 2 (TLR2) by heat shock protein B4 (HSPB4) [1].

1-Stearoyl-2-15(S)-HpETE-sn-glycero-3-PE is a phospholipid that contains stearic acid at the sn-1 position and 15(S)-HpETE at the sn-2 position. It is produced via oxidation of 1-stearoyl-2-arachidonoyl-sn-glycero-3-PE by 15-lipoxygenase (15-LO). 1-Stearoyl-2-15(S)-HpETE-sn-glycero-3-PE (0.6 and 0.9 μM) increases ferroptotic cell death in wild-type and Acsl4 knockout Pfa1 mouse embryonic fibroblasts (MEFs) treated with the GPX4 inhibitor RSL3.

PAF C-18 is a naturally occurring phospholipid produced upon stimulation through two distinct pathways known as the remodeling and 'de novo' pathways. It is less potent than PAF C-16 in the induction of platelet aggregation

β-Amyloid(28-35) human is a neurotoxic β-amyloid peptide fragment that contributes to Alzheimer's disease pathogenesis by interacting with neuronal membranes, modulating its secondary structure and toxicity. It also exhibits anisotropic effects on the acidic phospholipid DPH, thereby increasing the internal fluidity within lipid membrane bilayers [1].

PA22-2 (free acid) (Cys-Laminin A chain 2091-2108), a peptide, promotes neurite outgrowth and facilitates the formation of neuron-like processes. It is utilized in the culturing of human adenoid cystic carcinoma cells and the development of peptide-functionalized supported phospholipid bilayers [1] [2] [3].

MPEG-2000-DSPE sodium is a phospholipid PEG conjugate with hydrophilicity and hydrophobicity. It is utilized in liposome synthesis to enhance the hydrophilicity of liposomes, thereby prolonging their circulation in the bloodstream. This compound is commonly employed for the investigation of anticancer and antimalarial agents.

Phosphatidylserine is a naturally occurring phospholipid that comprises 2-10% of total phospholipids in mammals and is enriched in the central nervous system, particularly the retina. It is anionic and found mainly on the inner leaflet of the cell membrane. It is biosynthesized from phosphatidylcholine or phosphatidylethanolamine by phosphatidyl synthase 1 (PSS1) or PSS2, respectively, in the endoplasmic reticulum and can be reversibly converted back by the same enzymes. It can also be irreversibly converted to phosphatidylethanolamine by phosphatidylserine decarboxylase in the mitochondria. Phosphatidylserine binds to T cell immunoglobulin mucin type 1 (TIM-1) and TIM-4 receptors as well as brain-specific angiogenesis inhibitor 1 (BAI1), leading to anti-inflammatory and anti-atherosclerotic effects. It is also a cofactor involved in the activation of various signaling pathways through activation of protein kinase C, neutral sphingomyelinase, and c-Raf-1 protein kinase among others. Phosphatidylserine is externalized during apoptosis by scramblases in the plasma membrane as a signal for phagocytes to engulf the cell. Phosphatidylserines (bovine) is a mixture of bovine phosphatidylserines containing fatty acids with variable chain lengths at the sn-1 and sn-2 positions.

Phosphatidylserine is a naturally occurring phospholipid that comprises 2-10% of total phospholipids in mammals and is enriched in the central nervous system, particularly the retina. It is anionic and found mainly on the inner leaflet of the cell membrane. It is biosynthesized from phosphatidylcholine or phosphatidylethanolamine by phosphatidyl synthase 1 (PSS1) or PSS2, respectively, in the endoplasmic reticulum (ER) and can be reversibly converted back by the same enzymes. It can also be irreversibly converted to phosphatidylethanolamine by phosphatidylserine decarboxylase in the mitochondria. Phosphatidylserine binds to T cell immunoglobulin mucin type 1 (TIM-1) and TIM-4 receptors as well as brain-specific angiogenesis inhibitor 1 (BAI1), leading to anti-inflammatory and anti-atherosclerotic effects. It is also a cofactor involved in the activation of various signaling pathways through activation of protein kinase C, neutral sphingomyelinase, and c-Raf-1 protein kinase among others. Phosphatidylserine is externalized during apoptosis by scramblases in the plasma membrane as a signal for phagocytes to engulf the cell. Phosphatidylserines (soy) is a mixture of soy phosphatidylserines containing fatty acids with variable chain lengths at the sn-1 and sn-2 positions.

WAY-620521 is a cell-based high-throughput assay to identify small molecules that inhibit phospholipid biosynthesis in animal cells.

Sphingomyelins (SMs) are bioactive sphingolipids found in mammalian cell membranes.1SMs make up 2-15% of the total organ phospholipid population but are found at higher concentrations in the brain and myelin sheaths surrounding peripheral nerves. They interact with cholesterol to control its distribution within cellular membranes and maintain cholesterol homeostasis in cells. SMs undergo hydrolysis by sphingomyelinase to form ceramides, which are sphingolipid mediators of intracellular signaling.2This product is a mixture of SMs, with variable fatty acyl chain lengths, isolated from buttermilk. [Matreya, LLC. Catalog No. 1329] 1.Slotte, J.P., and Ramstedt, B.The functional role of sphingomyelin in cell membranesEur. J. Lipid Sci. Technol.109(10)977-981(2007) 2.Shayman, J.A.SphingolipidsKidney Int.58(1)11-26(2000)

DSPE-PEG-Maleimide, a compound comprised of DSPE phospholipid and maleimide, is utilized for preparing nanostructured lipid carriers, enhancing both blood circulation time and stability of encapsulated agents [1] [2]. The variant DSPE-PEG5000-Mal includes PEG5000, further contributing to its utility in drug delivery systems.

1,2-Diheptadecanoyl-sn-glycero-3-phosphorylcholine (DHPC) is a derivative of phosphatidylcholine (PC) that exhibits biological activity, functioning as a phospholipid compound [1].

Protein kinase C (PKC ) is a calcium-independent, phospholipid- and diacylglycerol-dependent serine/threonine kinase involved in diverse signaling pathways, including those involved in neuronal signaling, cytoskeletal function, and inflammation.[1] PKC inhibitor peptide is a synthetic peptide corresponding to an amino acid sequence found in the amino terminal C2 domain of most mammalian forms of PKC .[2] It selectively and reversibly inhibits the translocation of PKC to intracellular membranes, blocking activation.[2] PKC inhibitor peptide is commonly used in cells to evaluate the role of PKC in various cellular responses.[3],[4],[5]

MPEG-2000-DSPE is a phospholipid PEG conjugate, has both hydrophilicity and hydrophobility. MPEG-2000-DSPE is used in the synthesis of liposomes, increases the hydrophilicity on the surface of liposomes, consequently increasing the longevity of liposomes in the blood circulation for the study of anticancer and antimalarial agents[1][2].

1,2-Dipalmitoyl-sn-glycero-3-PE-N-(cap biotin) is a biotinylated phospholipid. It has been used in PEGylated polyamidoamine-dendrimer-conjugated supported lipid bilayers (SLB) to isolate circulating tumor cells and tumor cell microembolis from patient-derived blood by antibody-coated microfluidics. [1] It has also been used as a component of SLBs to detect protein-ligand binding with ortho-conjugated Texas Red DHPE. [2] In addition, 1,2-dipalmitoyl-sn-glycero-3-PE-N-(cap biotin) has been used in SLBs partitioned into nanowells to create DNA curtains, which can be used as a high-throughput tool for detection of protein-DNA interactions at the single molecule level.[3]

Glycerophosphorylethanolamine is an active phosphodiester metabolite of phosphatidylethanolamine.1,2It promotes aggregation of amyloid-β (1-40) (Aβ40)in vitro, and levels of glycerophosphorylethanolamine are elevated in postmortem brains isolated from patients with Alzheimer’s disease. 1.Klunk, W.E., Xu, C.J., McClure, R.J., et al.Aggregation of β-amyloid peptide is promoted by membrane phospholipid metabolites elevated in Alzheimer’s disease brainJ. Neurochem.69(1)266-272(1997) 2.Blusztajn, J.K., Lopez Gonzalez-Coviella, I., Logue, M., et al.Levels of phospholipid catabolic intermediates, glycerophosphocholine and glycerophosphoethanolamine, are elevated in brains of Alzheimer’s disease but not of Down’s syndrome patientsBrain Res.536(1-2)240-244(1990)

1-Stearoyl-2-15(S)-HETE-sn-glycero-3-PC is a phospholipid that contains stearic acid at the sn-1 position and 15(S)-HETE at the sn-2 position. It is produced via oxidation of 1-stearoyl-2-arachidonoyl-sn-glycero-3-PC by 15-lipoxygenase (15-LO).

Pyrimidine (Metadiazine)s are heterocyclic, six-membered, nitrogen-containing carbon ring structures, with uracil, cytosine and thymine being the basal structures of ribose-containing nucleosides (uridine, cytidine, and thymidine respectively), or deoxyribose-containing deoxynucleosides, and their corresponding ribonucleotides or deoxyribonucleotides. Pyrimidines serve essential functions in human metabolism as ribonucleotide bases in RNA (uracil and cytosine), and as deoxyribonucleotide bases in DNA (cytosine and thymine), and are linked by phosphodiester bridges to purine nucleotides in double-stranded DNA, in both the nucleus and the mitochondria. Pyrimidine activated sugars are also involved in polysaccharide and phospholipid synthesis, glucuronidation in detoxification processes, glycosylation of proteins and lipids and in the recently identified novel endothelium-derived vasoactive dinucleotides.

Phosphatidylinositol 4,5-bisphosphate (L-alpha-Phosphatidylinositol-4,5-bisphosphate), serving as a critical phospholipid in cell membranes, functions as a substrate for both phospholipase C (PLC) and phosphoinositide 3-kinase (PI3K), acting as a primary messenger [1] [2] [3].

DSPE-PEG, a phospholipid-polymer conjugate, serves as an effective material in drug delivery applications. It is integral to the formulation of nanocarriers designed for prolonged blood circulation, enhanced stability, and improved encapsulation efficiency [1].

18:0 EPC chloride, a synthetic cationic phospholipid, significantly enhances eugenol's inactivation effect on Escherichia coli [1] when used at critical synergistic concentrations ranging from 2.34 to 2.93 μM.

Phosphatidic acid is a phospholipid and an intermediate in glycerolipid biosynthesis. It is a transient intermediate in the synthesis of various phospholipid species that is synthesized de novo in cells via multiple routes, including the glycerol-3 phosphate and dihydroxyacetone phosphate pathways, enzymatic conversion of phosphatidylcholine by phospholipase D, and acetylation of lysophosphatidic acid by lysoPA-acyltransferase, among others. It has roles in shaping cellular membranes, cellular signaling, vesicle fission and fusion, as well as mitochondrial division and fusion. It stimulates respiratory burst in neutrophils independent of diacylglycerol and activates monoacylglycerol acyltransferase, phospholipase C (PLC), Ras, and phosphatidylinositol 4-phosphate (PIP4) kinase in several cell lines. Phosphatidic acids (egg) is a mixture of phosphatidic acids isolated from chicken egg with fatty acids of variable chain lengths.

Phosphatidylethanolamine is the most abundant phospholipid in prokaryotes and the second most abundant found in the membrane of mammalian, plant, and yeast cells, comprising approximately 25% of total mammalian phospholipids. In the brain, phosphatidylethanolamine comprises almost half of the total phospholipids. It is synthesized mainly through the cytidine diphosphate-ethanolamine and phosphatidylserine decarboxylation pathways, which occur in the endoplasmic reticulum (ER) and mitochondrial membranes, respectively. It is a precursor in the synthesis of phosphatidylcholine and arachidonoyl ethanolamide and is a source of ethanolamine used in various cellular functions. In E. coli, phosphatidylethanolamine deficiency prevents proper assembly of lactose permease, suggesting a role as a lipid chaperone. It is a cofactor in the propagation of prions in vitro and can convert recombinant mammalian proteins into infectious molecules even in the absence of RNA. Phosphatidylethanolamines (soy) is a mixture of phosphatidylethanolamines isolated from soy with various fatty acyl groups at the sn-1 and sn-2 positions.

Dihexadecyl hydrogen phosphate is a phospholipid analog that acts as an emulsifier and is commonly used in the skin care and pharmaceutical industries.

1,2-Didecanoyl-sn-glycero-3-phosphocholi (1,2-Didecanoyl PC) is a synthetic, less hydrophobic phospholipid that has been found to be useful for enhancing the absorption of peptide drugs and hormones such as insulin.

Sphingomyelins (SMs) are bioactive sphingolipids present in the cell membranes of mammals, constituting 2-15% of the total cellular phospholipid content, with higher concentrations in the brain and myelin sheaths of peripheral nerves. These compounds play a crucial role in modulating cholesterol distribution and maintaining cellular cholesterol balance. SMs are hydrolyzed by sphingomyelinase into ceramides, key sphingolipid signaling molecules. The product contains SM species predominantly with C16:0 fatty acyl chain lengths and may exhibit variations in its sphingoid backbone due to its natural origin. [Matreya, LLC. Catalog No. 1332]

9A1P9, a multi-tail ionizable cationic phospholipid, facilitates membrane destabilization and is applicable for CRISPR-Cas9 gene editing in mice [1].

DPPE-MPEG(2000) is a polyethylene glycol (PEG) derivative of 1,2-dipalmitoyl-rac-glycero-3-phosphoethanolamine (DPPE), characterized as a PEGylated phospholipid.

Phytosphingosine is a phospholipid with anticancer properties. In cancer cells, Phytosphingosine induces cell apoptosis through activation of caspase 8 and translocation of Bax.

DOPE (DOPE) is a neutral helper lipid for cationic liposomes.It is used in combination with cationic phospholipids to increase efficiency during DNA transfection studies as a non-viral method of gene delivery.

1,2-Dimyristoyl-sn-glycero-3-phosphocholine (DMPC) (DMPC) is a synthetic phospholipid used in liposomes which is used for the study of lipid monolayers and bilayers[1].