WO2014114254A1 - 饱和胺类化合物在制备抗辐射损伤及促进辐射损伤组织再生修复药物中的应用 - Google Patents
饱和胺类化合物在制备抗辐射损伤及促进辐射损伤组织再生修复药物中的应用 Download PDFInfo
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- WO2014114254A1 WO2014114254A1 PCT/CN2014/071281 CN2014071281W WO2014114254A1 WO 2014114254 A1 WO2014114254 A1 WO 2014114254A1 CN 2014071281 W CN2014071281 W CN 2014071281W WO 2014114254 A1 WO2014114254 A1 WO 2014114254A1
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- amine compound
- radiation
- saturated amine
- ethyl
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- VMGSQCIDWAUGLQ-UHFFFAOYSA-N n',n'-bis[2-(dimethylamino)ethyl]-n,n-dimethylethane-1,2-diamine Chemical compound CN(C)CCN(CCN(C)C)CCN(C)C VMGSQCIDWAUGLQ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/13—Amines
- A61K31/132—Amines having two or more amino groups, e.g. spermidine, putrescine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/13—Amines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/16—Emollients or protectives, e.g. against radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P39/00—General protective or antinoxious agents
Definitions
- the present invention relates to a novel use of a compound, and in particular to the use of a saturated amine compound for the preparation of a medicament for repairing radiation damage and promoting radiation damage tissue regeneration.
- the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, it is an object of the present invention to provide a compound which can be used for the preparation of a radiation-damaging and radiation-damaged tissue regeneration repairing drug. Specifically, the present invention provides a novel use of a saturated amine compound for use in the preparation of a medicament for repairing radiation damage and promoting radiation-damaged tissue regeneration.
- radioprotectants that have been found to be radiation-damaging drugs mainly include polysaccharides. Classes, phenols, hormones, vitamins, nucleic acid precursors, traditional medicated diets, organic acids, esters, peptides, etc. However, current research on anti-radiation drugs still needs improvement.
- the saturated amine compound (code TA01) can promote the recovery of hematopoietic system from radiation damage, and can improve the white blood cells (WBC), red blood cells (RBC) and platelets (PLT) in the peripheral blood of mice with radiation injury.
- WBC white blood cells
- RBC red blood cells
- PHT platelets
- Content increase the number of total nucleated cells in the bone marrow, and the number of bone marrow hematopoietic stem/progenitor cells (CFU number and CFU-G, CFU-GM, CFU-MK number), and has a good repair effect on the intestinal, liver and lung tissues of radiation-injured mice, which can significantly improve the survival rate of radiation-injured mice.
- the invention provides the use of a saturated amine compound for the preparation of a medicament for the protection against radiation damage. Therefore, based on the new use of the above-mentioned saturated amine compound, a compound capable of preventing radiation damage can be prepared by using a saturated amine compound (code TA01), and the radiation-damaged drug can be effectively repaired by administering the radiation-damaged drug to a human or animal having radiation damage. Cells and tissues.
- it can promote the recovery of hematopoietic system of radiation damage, that is, increase the content of WBC, RBC, PLT in peripheral blood, the total number of nucleated cells in bone marrow, and the number of bone marrow hematopoietic stem/progenitor cells (CFU number and CFU-G, CFU-GM, CFU-MK number), and can repair damaged intestinal, liver, and lung tissues.
- the saturated amine compound has the molecular formula shown by the following formula I:
- R - ,, N, - R , N 'z, N, A N , R;
- the saturated amine compound is named tris(2-(dimethylamino)ethyl)amine.
- the saturated amine compound is named ⁇ , ⁇ -bis(2-aminoethyl)ethane-1,2-diamine.
- the saturated amine compound is named N1-methyl-N2,N2-bis(2-(methylamino)ethyl)ethane- 1,2-diamine.
- the saturated amine compound is named N1-ethyl-N2,N2-bis(2-(ethylamino)ethyl)ethyl Alkanol-1,2-diamine.
- the saturated amine compound is named ⁇ , ⁇ -bis(2-(diethylamino)ethyl)- ⁇ 2, ⁇ 2-diethane Base-diamine.
- the dosage form of the anti-radiation-damaging drug is not particularly limited as long as the aforementioned saturated amine compound can function to repair radiation damage.
- the dosage form of the medicament is an injection.
- the solvent which the above injection can be used is not particularly limited as long as it can effectively dissolve the saturated amine compound without affecting its action.
- the solvent for the injection is ⁇ buffer 7.5-8.5 in guanidine buffer, physiological saline, phosphate buffered saline (PBS) or sterile distilled water.
- the injection The solvent of the agent is physiological saline.
- the above-mentioned radiation-damaging drug is administered in an amount of 1.25 to 10 mg/kg body weight, preferably 2.5 mg/kg. It should be administered immediately after radiation injury, usually every 3 days (that is, every two days), and 5 times within 12 days after radiation injury. The dose and course of treatment can be adjusted according to the actual situation. Thereby, it is possible to effectively repair radiation-damaged cells and tissues.
- the inventors have discovered that the modification of a saturated amine compound into a sulfate or hydrochloride form does not affect its repair of radiation damage.
- the saturated amine compound is in the form of a sulfate or hydrochloride.
- one or more pharmaceutically acceptable carriers may be added to the above-mentioned anti-radiation-damaging drug according to actual needs.
- the carrier is at least one selected from the group consisting of a diluent conventionally used in the pharmaceutical field, an absorption enhancer, and a surfactant.
- the invention provides a method of preventing or treating radiation damage.
- the method comprises administering a saturated amine compound to a subject in need thereof, wherein the saturated amine compound has a molecular formula represented by the following formula I,
- the saturated amine compound is named tris(2-(dimethylamino)ethyl)amine.
- the saturated amine compound is named ⁇ , ⁇ -bis(2-aminoethyl)ethane-1,2-diamine.
- the saturated amine compound is named N1-methyl-N2,N2-bis(2-(methylamino)ethyl)ethane- 1,2-diamine.
- the saturated amine compound is named N1-ethyl-N2,N2-bis(2-(ethylamino)ethyl)ethyl Alkane-1,2-diamine.
- the saturated amine compound is named ⁇ , ⁇ -bis(2-(diethylamino)ethyl)- ⁇ 2, ⁇ 2- ⁇ Alkyl-diamine.
- the dosage form of the saturated amine compound is not particularly limited as long as the saturated amine compound can function to repair radiation damage.
- the saturated amine compound is formulated into an injectable dosage form.
- the solvent which the above injection can be used is not particularly limited as long as the saturated amine compound can be effectively dissolved without affecting the action.
- the solvent for the injection is ⁇ buffer 7.5-8.5 in guanidine buffer, physiological saline, phosphate buffered saline (PBS) or sterile distilled water.
- the solvent of the injection is physiological saline.
- the inventors have discovered that the modification of a saturated amine compound into a sulfate or hydrochloride form does not affect its repair of radiation damage.
- the saturated amine compound is in the form of a sulfate or hydrochloride.
- Figure 1 shows a schematic diagram of the synthesis process of TA01
- Figure 2 shows the results of a survival test for subcutaneous injection of different doses of TA01 in a lethal dose of radiation-irradiated mice in accordance with one embodiment of the present invention
- Figure 3 shows the results of detection of WBC, RBC, PLT in peripheral blood at different time points after subcutaneous injection of TA01 or PBS (control) in sublethal dose-irradiated mice according to one embodiment of the present invention
- Figure 4 shows a sublethal dose of irradiated mice subcutaneously injected with TA01 or according to one embodiment of the present invention.
- Figure 6 shows the results of repair of liver and lung tissue after treatment with TA01 or PBS in a lethal dose of radiation irradiated mice in accordance with one embodiment of the present invention.
- the above dried residue was added to 500 mL of CS 2 solvent and refluxed for 15 to 20 min, filtered while hot, and CS 2 was evaporated under reduced pressure to give 131.0 g of pale brown crystals, ie, ⁇ - ⁇ -bromoethyl phthalic acid.
- the imide had a yield of 63.6% and a melting point of 78 to 80 °C.
- the transparent liquid is dried by metal sodium, distilled under reduced pressure, collected and fractionated at 135 ° C / 9 mm Hg to obtain a colorless thick liquid, product (ie ⁇ , ⁇ ', ⁇ "-triamino Triethylamine) weighed 1.6 g and the yield was 47.2%.
- ⁇ , ⁇ ', ⁇ "-triaminotriethylamine obtained above is subjected to methylation reaction to obtain a compound tris(2-(dimethylamino)ethyl)amine, that is, a saturated amine compound, abbreviated as ⁇ 01.
- tris(2-(dimethylamino)ethyl)amine can also be synthesized by other methods disclosed in the published literature.
- other saturated amine compounds of the formula of the invention having the formula I such as tris(2-(dimethylamino)ethyl)amine, hydrazine, hydrazine-bis(2-aminoethyl)acetamidine- 1,2-Diamine, N1-methyl- ⁇ 2, ⁇ 2-bis(2-(methylamino)ethyl)ethane-1,2-diamine, N1-ethyl- ⁇ 2, ⁇ 2- ⁇ (2 - (ethylamino) ethyl) ethane-1,2-diamine, and hydrazine, hydrazine-bis(2-(diethylamino)ethyl)-hydrazine 2, fluorene 2-diethyl-diamine, both It can be synthesized by a method disclosed in the literature
- Example 2 Injection of TA01 can improve the survival rate of lethal dose radiation-irradiated mice
- mice Fifty male C57BL/6 mice were subjected to whole body irradiation with 6Q Co ⁇ -rays at a dose rate of 1.56 Gy/min and an irradiation dose of 8.0 Gy. After irradiation, they were randomly divided into 5 groups of 10 each. Each group of mice was injected according to TA01 doses of 0 mg/kg (ie, control group), 1.25 mg/kg, 2.5 mg/kg, 5 mg/kg, and 10 mg/kg, respectively. Each group of mice was injected every two days according to the corresponding dose, and the injection was continued for 12 days. The solvent of the injection was PBS solution, and then the survival rate of each group of mice was observed and calculated.
- FIG. 2 shows the results of the survival rate (i.e., survival rate) of subcutaneous injections of different doses of TA01 in lethal dose-irradiated mice.
- R-con indicates the average survival rate of control mice administered with TA01 at a dose of 0 mg/kg, "TA01 1.25 mg/kg”, “TA01 2.5 mg/kg”, “TA01 5 mg”. /kg "he mouth” TA01 lOmg/kg "The other U represents the average survival rate of each group of mice injected with the corresponding dose of TA01.
- TA01 was injected at a dose of 1.25 mg/kg, 2.5 mg/kg, 5 mg/kg, 10 mg/kg, injected every two days, and injected 5 times each. Increasing the survival rate of lethal dose radiation-irradiated mice. When the TA01 dose was 2.5 mg/kg, the injection was the best every two days.
- Example 3 TA01 can increase the content of WBC, PLT and RBC in peripheral blood of mice exposed to sublethal dose radiation. Ten male C57 mice were irradiated with 6Q Co ⁇ -rays at a dose rate of 1.56 Gy/min and an irradiation dose of 6.5 Gy.
- mice in each group were cut 2 ( ⁇ L blood, 2 mL blood cell dilution (purchased from Jinan Bolai Biotechnology Co., Ltd.), and white blood cells (WBC) and platelets (PLT) were detected in a cell analyzer. ), the content of red blood cells (RBC), the results are shown in Figure 3.
- FIG 3 shows the results of detection of WBC, RBC, and PLT in peripheral blood at different time points after subcutaneous injection of TA01 or PBS (control) in sublethal dose-irradiated mice.
- * indicates a significant difference compared to the PBS group.
- TA01 can increase WBC in peripheral blood of mice (4 days, 7 days, 21 days significantly increased), PLT (4 days, 14 days, 21 days, 28 days significantly increased) High), RBC (the most significant increase at 21 days).
- Example 4 TA01 can increase the number of hematopoietic stem/progenitor cells in the bone marrow of mice exposed to sublethal dose radiation (CFU, CFU-G, CFU-GM, CFU-MK number)
- mice Six male C57 I BL6 mice were irradiated with 6Q Co ⁇ -rays at a dose rate of 1.56 Gy/min, and the irradiation dose was 6.5 Gy. After irradiation, they were randomly divided into two groups: 3 in the PBS group (ie, control) and 3 in the TA01 group.
- the injection volume of TA01 was calculated according to the dose of 2.5 mg/kg body weight per mouse.
- the injection solvent was PBS solution of pH 7.5-8.5.
- the injection volume of TA01 in the PBS group was 0, that is, only the PBS was injected. Solution.
- mice bone marrow cells were taken, and 10 ml centrifuge tubes were washed once with heparin (purchased from Tianjin Haoyang Biological Products Co., Ltd.).
- PBS purchased from Hyclone
- the mouse lymphocyte separation solution (purchased from Tianjin Haoyang Biological Products Technology Co., Ltd.) was pre-packaged into 5 ml/tube (ultra-cleaning operation), and then the above-mentioned blood mixed with PBS was gently injected and dispensed. The upper layer of the separation solution was centrifuged at 2000 rpm/min for 20 min.
- FIG. 4 shows the results of the number of bone marrow hematopoietic stem/progenitor cells (CFU, CFU-G, CFU-GM CFU-MK) after subcutaneous injection of TA01 or PBS (control) in sublethal dose-irradiated mice.
- CFU bone marrow hematopoietic stem/progenitor cells
- * indicates a significant difference compared to the PBS control group.
- the number of total colony forming units (CFU) in the TA01 group was significantly increased compared with the control, and the numbers of CFU-G and CFU-GM CFU-MK were significantly increased, indicating TA01.
- Example 5 Injection of TA01 can promote the repair of intestinal, liver and lung tissues in mice irradiated with lethal dose radiation.
- mice Six male C57 I BL6 mice were irradiated with 6Q Co ⁇ -rays at a dose rate of 1.56 Gy/min, and the irradiation dose was 8.0 Gy. After irradiation, they were randomly divided into two groups: 3 in the PBS group (ie, control) and 3 in the TA01 group. The injection volume of each mouse was calculated according to 2.5 mg/kg body weight, and the injection was performed in two days. The solvent of the injection was PBS solution of pH 7.4, and the amount of TA01 injected by the mice in the PBS group was 0, that is, only the PBS solution was injected. On the 10th and 14th day after the radiation injury and the first treatment, the mice were sacrificed and the intestinal, liver and lung tissues of the mice were fixed. After fixing with 4% paraformaldehyde, paraffin sections were taken and then sectioned. HE staining was performed to observe the repair of intestinal, liver and lung tissues. The results are shown in Figures 5 and 6.
- Figure 5 shows the results of intestinal tissue repair after treatment with TA01 or PBS in lethal dose-irradiated mice.
- the left panel shows the results of HE staining in the PBS group and the TA01 group on the 10th and 14th day after injection treatment
- the right image shows the number of intestinal villus cells in the PBS group and the TA01 group. result.
- Figure 6 shows the repair results of liver and lung tissues after treatment with TA01 or PBS in lethal dose-irradiated mice.
- Fig. A shows the HE staining results of the liver tissues of the PBS control group and the TA01 group
- Fig. B shows the liver damage degree of the PBS group and the TA01 group
- Fig. C shows the PBS control group.
- Figure D shows the results of the number of alveolar per unit area in the PBS group and the TA01 group.
- injection of TA01 promoted the repair of intestinal, liver, and lung tissues in mice irradiated with lethal dose radiation compared to the PBS control group.
- the present invention also verified indole, bis-bis(2-aminoethyl)ethane-1,2-diamine, N1-methyl-oxime 2, ⁇ 2-bis(2-(methylamino)ethyl)ethane-1,2-diamine, N1-ethyl- ⁇ 2, ⁇ 2-bis(2-(ethylamino)ethyl)ethane-1, 2-diamine, and ruthenium, osmium-bis(2-(diethylamino)ethyl)- ⁇ 2, ⁇ 2-diethane-di
- the amine, and other saturated amine compounds having the formula of the formula I have the same effects, thereby demonstrating that the saturated amine compound can be effectively used for the preparation of a radiation-damaging drug.
- the description of the terms “one embodiment”, “some embodiments”, “example”, “specific example”, or “some examples” and the like means a specific feature described in connection with the embodiment or example.
- a structure, material or feature is included in at least one embodiment or example of the invention.
- the schematic representation of the above terms does not necessarily mean the same embodiment or example.
- the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
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