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Chemical Structure| 407-41-0 Chemical Structure| 407-41-0

Structure of L-O-Phosphoserine
CAS No.: 407-41-0

Chemical Structure| 407-41-0

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H-Ser(PO3H2)-OH is both a Group III metabotropic glutamate receptor (mGluR4, mGluR7, and mGluR8) agonist, and a competitive NMDA antagonist.

Synonyms: O-Phospho-L-serine; L-Serine O-phosphate; Phosphoserine

4.5 *For Research Use Only !

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Product Citations

Product Citations

Hyung Shik Kim ; Elias A. Halabi ; Noah Enbergs ; Rainer H. Kohler ; Fan Fei ; Christopher S. Garris , et al.

Abstract: Rationale: constructs are commonly used for vaccination, immune stimulation, and gene therapy, but their use in cancer still remains limited. One of the reasons is that systemic delivery to tumor-associated antigen-presenting cells (dendritic cells and macrophages) is often inefficient, while off-target nucleic acid-sensing immune pathways can stimulate systemic immune responses. Conversely, certain carbohydrate nanoparticles with small molecule payloads have been shown to target these cells efficiently in the tumor microenvironment. Yet, incorporation into such carbohydrate-based nanoparticles has proven challenging. Methods: We developed a novel approach using cross-linked bis succinyl-cyclodextrin (b-s-CD) nanoparticles to efficiently deliver nucleic acids and small-molecule immune enhancer to phagocytic cells in tumor environments and lymph nodes. Our study involved incorporating these components into the nanoparticles and assessing their efficacy in activating antigen-presenting cells. Results: The multi-modality immune stimulators effectively activated antigen-presenting cells and promoted immunity in vivo. This was evidenced by enhanced delivery to phagocytic cells and subsequent immune response activation in tumor environments and lymph nodes. Conclusion: Here, we describe a new approach to incorporating both nucleic acids and small-molecule immune enhancers into cross-linked bis succinyl-cyclodextrin (b-s-CD) nanoparticles for efficient delivery to phagocytic cells in tumor environments and lymph nodes in vivo. These multi-modality immune stimulators can activate antigen-presenting cells and foster immunity. We argue that this strategy can potentially be used to enhance efficacy.

Keywords: delivery ; nanoparticles ; dendritic cells ; vaccine ; cancer ; lymph node

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Product Details of L-O-Phosphoserine

CAS No. :407-41-0
Formula : C3H8NO6P
M.W : 185.07
SMILES Code : N[C@@H](COP(O)(O)=O)C(O)=O
Synonyms :
O-Phospho-L-serine; L-Serine O-phosphate; Phosphoserine
MDL No. :MFCD00065935
InChI Key :BZQFBWGGLXLEPQ-REOHCLBHSA-N
Pubchem ID :68841

Safety of L-O-Phosphoserine

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H314
Precautionary Statements:P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P260-P264-P280-P305+P351+P338-P405-P501
Class:8
UN#:3261
Packing Group:

Related Pathways of L-O-Phosphoserine

GPCR

Isoform Comparison

Biological Activity

Description
O-Phospho-L-serine serves as the direct forerunner of L-serine in the pathway of serine synthesis and functions as an activator for the group III mGluR receptors (mGluR4, mGluR6, mGluR7, and mGluR8). Additionally, it acts as a mild inhibitor for mGluR1 and a strong inhibitor for mGluR2[1].

In Vitro:

Cell Line
Concentration Treated Time Description References
rat nigral tissue prisms 1–1000 μM 8 min L-SOP maximally inhibited 33% of [3H]-D-aspartate release at 100 μM, and this effect was almost completely blocked by CPPG pretreatment PMC2936845

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
Male Sprague Dawley rats Reserpine-treated rat model Intranigral injection into SNpr 250–750 nmol, 2.5 μL Single injection, observed for 60 minutes L-SOP (750 nmol) significantly reversed reserpine-induced akinesia, producing contraversive rotations, and this effect was significantly inhibited by CPPG pretreatment PMC2936845
Sprague-Dawley rats Reserpine-induced akinesia model Unilateral injection into the globus pallidus (GP), substantia nigra pars reticulata (SNr), or intracerebroventricularly (i.c.v.) 2000-2500 nmol, 2.5 ml Single injection, observed for 30-120 minutes To evaluate the effect of L-SOP in reversing akinesia in reserpine-treated rats. Results showed that L-SOP significantly reversed akinesia when injected into the GP, SNr, or cerebral ventricles, and this effect was inhibited by the group III mGlu receptor antagonist M-SOP. PMC1574163

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

5.40mL

1.08mL

0.54mL

27.02mL

5.40mL

2.70mL

54.03mL

10.81mL

5.40mL

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