CN113521078A - Aged cell killing agent and application thereof - Google Patents
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- CN113521078A CN113521078A CN202010318152.1A CN202010318152A CN113521078A CN 113521078 A CN113521078 A CN 113521078A CN 202010318152 A CN202010318152 A CN 202010318152A CN 113521078 A CN113521078 A CN 113521078A
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- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5377—1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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Abstract
The invention relates to an aged cell killing agent and application thereof, wherein the aged cell killing agent comprises apilimod or pharmaceutically acceptable salts, esters and solvates thereof. The invention discovers for the first time that the medicine Apilimod (Apilimod) has specific killing effect on aged cells, and the killing rate is more than 70 percent, so the medicine Apilimod can be used as a novel aged cell killing agent, and is more likely to be used as a potential novel anti-aging medicine because the medicine Apilimod can effectively eliminate the aged cells.
Description
Technical Field
The invention belongs to the technical field of biological medicines, and particularly relates to an aged cell killing agent and application thereof.
Background
Cell aging (Senescence) is an irreversible growth arrest state induced by a variety of factors. Cell aging occurs in response to various cellular stressors, such as telomere shortening, DNA damage, oxidative stress, and oncogenic activation. Cellular aging may play an important role in wound healing and prevention of tissue fibrosis, and is more a broad mechanism of tumor inhibition. In cancer Therapy using compounds, the phenomenon of cancer drugs inducing cell aging is referred to as Therapy-Induced cell aging (Therapy-Induced Cellular science). Recent studies have shown that TIS can serve as a new tumor suppressor target, inducing tumor cell aging after targeting by specific anti-tumor drugs or radiation therapy, and thus this process can serve as a new tumor treatment strategy.
Etoposide (ETO) is a topoisomerase inhibitor that induces cellular aging by causing DNA damage and is therefore commonly used as a chemotherapeutic agent to treat various types of cancer. The early-stage study on Apilimod (Apilimod) finds that the Apilimod is an inhibitor of IL-2/IL-23 and is a potential therapeutic drug for Crohn's disease and rheumatoid arthritis; however, recent studies show that Apilimod is also an inhibitor of phosphoinositide kinase PIKfyve and is a potential target for cancer treatment, and Apilimod is currently used as an anti-cancer drug for clinical research.
Cellular aging is a complex process associated with many human aging-related disorders, such as cardiovascular disease, type ii diabetes, osteoarthritis, and neurological disorders; the mouse model of aging proves that the inhibition of the gene expression of aging signal pathway and the elimination of aging cells are helpful for the improvement of aging diseases of the mouse model, so the elimination of relevant aging cells in the clinical treatment of human aging diseases is also one of important research directions. In recent years, an emerging strategy has been to specifically eliminate aging cells using compounds known as anti-aging (senolytics). Several classes of anti-aging compounds have been found to include cardiac glycosides, inhibitors of the BCL-2 protein family, avermectins (HSP90 inhibitors), etc., and anti-aging compounds have now entered the clinical validation phase.
CN105916835A also discloses a lipophilic hydroxytyrosol carbonate compound, which can be prepared by oxidizing a substituted hydroxybenzaldehyde compound with an oxidizing agent such as hydrogen peroxide under mild conditions. The method comprises enzymatically esterifying 4- (2-hydroxyethyl) phenol to form a corresponding ester, introducing a formyl group ortho to the phenolic hydroxyl group of the ester to form a lipophilic formyltyrosol ester; oxidizing the lipophilic formyltyrosol ester with a peroxide compound to form a lipophilic hydroxytyrosol ester compound; and reacting the lipophilic hydroxytyrosol ester compound with a carbonate derivative to form the lipophilic hydroxytyrosol carbonate compound. These compounds can be used as anti-aging compounds in a wide variety of personal care compositions that are stable to oxidation.
CN106176809A also discloses a Fe3O4Application of magnetic nanoparticles in preparing anti-aging agent is provided. The anti-aging agent is Fe3O4The magnetic nanoparticles are active ingredients and are Fe coated with edible nutrient substances3O4Magnetic nanoparticles, edible nutrient coated Fe3O4The magnetic nano-particles have higher water phase stability and biocompatibility, and can lead Fe3O4Magnetic nanoparticles enter cells; fe introduced into the cells3O4The magnetic nanoparticles can remarkably reduce the increase of intracellular ROS level and apoptosis induced by hydrogen peroxide or neurotoxin in a certain dosage range, eliminate excessive oxygen free radicals in cells, and relieve oxidative stress caused by external stimulation, aging or gene dysfunction, thereby having the effect of resisting aging.
Because of the complexity of the aging process, different anti-aging compounds inhibit a certain pathway, and thus the development of different anti-aging compounds is important.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an aged cell killing agent and application thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides an aging cell killing agent comprising apilimod or a pharmaceutically acceptable salt, ester, solvate thereof.
The aging cell killing agent according to the present invention may include only apilimod, any one of apilimod pharmaceutically acceptable salt, apilimod pharmaceutically acceptable ester or apilimod pharmaceutically acceptable solvate, or a combination of at least two of apilimod pharmaceutically acceptable salt, apilimod pharmaceutically acceptable ester, apilimod pharmaceutically acceptable solvate, and the like, and any combination may be selected, which is not repeated herein.
Early research on the drug Apilimod (Apilimod) finds that the drug Apilimod is an inhibitor of IL-2/IL-23 and is a potential therapeutic drug for Crohn's disease and rheumatoid arthritis; recent studies indicate that Apilimod is also an inhibitor of phosphoinositide kinase PIKfyve and is a potential target for cancer treatment, and Apilimod is currently used in clinical research as an anti-cancer drug.
The invention discovers for the first time that the medicine Apilimod (Apilimod) has specific killing effect on aged cells including treatment-induced aged cells or natural aging, the killing rate is more than 70 percent, and the medicine has no damage to non-aged cells, so the medicine can be used as a novel aged cell killing agent, and can be more likely to be used as a potential novel anti-aging medicine because the medicine can efficiently remove the aged cells.
Preferably, the aging cells are therapy-induced aging cells and/or naturally aging cells.
According to the invention, aged cells formed by human fibroblasts induced by drug etoposide and aged human fibroblasts in a natural state are used as research models, and researches show that Apilimod (Apilimod) has a high killing effect on the aged cells formed by human fibroblasts induced by etoposide and the aged human fibroblasts in the natural state, and has no killing effect on non-aged cells.
Preferably, the dosage form of the aged cell killing agent comprises tablets, suspensions, disintegrants, capsules, granules, powders, emulsions, injections, sprays, films, suppositories, nasal drops or dropping pills.
Preferably, the aged cell killing agent further comprises a pharmaceutically acceptable adjuvant.
Preferably, the excipient comprises any one of, or a combination of at least two of, an excipient, a diluent, a carrier, a flavoring agent, a binder, or a filler. The combination of the at least two compounds, such as the combination of excipient and carrier, the combination of diluent and carrier, the combination of flavoring agent and binder, etc., can be selected in any combination manner, and will not be described in detail herein.
Preferably, the carrier comprises a liposome, micelle, dendrimer, microsphere or microcapsule.
The apilimod serving as the aged cell killing agent can be independently administered or can be matched with auxiliary materials to be prepared into a proper dosage form for administration, and when the dosage form is a tablet, the apilimod can contain excipients, such as microcrystalline cellulose, starch or calcium carbonate and the like; disintegrants may also be included, such as croscarmellose sodium and the like; when the dosage form is a capsule, the preparation can be prepared into a hard capsule or a soft capsule, and the apilimod and the auxiliary materials can be prepared into powder or granules to be filled into the capsule; when the preparation is suspension, flavoring agent, suspending agent, etc. can be added to adjust taste and mouthfeel. When the dosage form is emulsion, emulsifier and cosolvent can be added to adjust solubility and emulsifying degree for administration.
The apilimod serving as the aging cell killing agent can be matched with other medicines with the effect of killing aging cells or inhibiting the activity of the aging cells according to different proportions to form a medicine composition, and the medicine composition plays a role together.
In another aspect, the present invention provides a use of the above-mentioned aging cell killer for preparing an anti-aging drug.
Compared with the prior art, the invention has the following beneficial effects:
the invention discovers for the first time that the medicine Apilimod (Apilimod) has specific killing effect on aged cells including treatment-induced aged cells or natural aging, the killing rate is more than 70 percent, and the medicine has no damage to non-aged cells, so the medicine can be used as a novel aged cell killing agent, and can be more likely to be used as a potential novel anti-aging medicine because the medicine can efficiently remove the aged cells.
Drawings
Fig. 1 is a graph of the imaging of pathology for the apilimod-treated group and the DMSO-treated group in example 1 (a is the apilimod-treated group, b is the DMSO-treated group);
fig. 2 is a graph of the imaging of pathology for the apilimod-treated group and the DMSO-treated group in example 2 (a is the apilimod-treated group, b is the DMSO-treated group);
FIG. 3 is a graph of imaging pathology in the apilimod-treated group of example 3;
fig. 4 is an image of pathology for the DMSO-treated group in example 3.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.
The following examples relate to complete media formulations: 89% DMEM (Dulbeccos Modified Eagles Medium, High Glucose, GE Healthcare Cell Culture) + 10% FBS (Total bone serum, NTC, SFBE) + 1% PS (penillin: Streptomyces solution, Hyclone)TM)。
The drug Apilimod (Apilimod) referred to in the following examples was purchased from: a ceramic biomass.
The drug Etoposide (Etoposide, ETO) referred to in the following examples was purchased from: abcam.
Wherein the human fibroblasts used in example 1 and example 2 (IMR-90:)CCL-186TM) Cells at passage 15), cells were in a non-aged state (IMR 90P 15); human fibroblast used in example 3 (IMR-90: (CCL-186TM) Cells were in a state of natural aging for 27 passages (IMR 90P 27).
Example 1
Step 1: the recovery of human fibroblasts (IMR 90P 15) was performed as follows:
(1) taking out the human fibroblast cryopreservation tube from the liquid nitrogen tank, and carrying out water bath at 37 ℃ until the human fibroblast cryopreservation tube is melted;
(2) opening the cover of the freezing tube, and adding a proper amount of complete culture medium;
(3) centrifuging at 1000rpm for 5 min;
(4) discarding supernatant, adding culture medium containing 10% calf serum, resuspending cells, inoculating to 10cm cell culture dish, and static culturing at 37 deg.C in incubator (0.5% CO)2,0.3%O2,RH 99%);
(5) The culture medium was changed the next day and the cultivation was continued for 24 h.
Step 2: for human fibroblast (IMR-90: (CCL-186TM) To perform resuscitation, the operation is as follows:
(1) removing the cells from the incubator, removing the medium using a pipettor, and washing for 3min with 10mL PBS;
(2) removing PBS, adding 1mL of trypsin-EDTA (0.25%), slowly shaking, mixing, and digesting at 37 deg.C for 3 min;
(3) adding 2mL culture medium containing 10% calf serum, and stopping digestion;
(4) collecting the mixture in a centrifuge tube, and centrifuging the mixture for 5min at 1000 rpm;
(5) removing supernatant, adding culture medium containing 10% calf serum, resuspending cells, counting cells, adjusting cell density, and inoculating to 96-well cell culture plate to make the number of cells in each well be 0.7 ten thousand;
(6) etoposide (Etoposide) was added to the cell culture medium used for plating so that the final concentration of Etoposide was 1 μ M.
And step 3: adding drugs for treatment, and setting a DMSO treatment group and an apilimod treatment group, wherein the operations are as follows:
(1) after etoposide treatment for 48h, dosing treatment is carried out, a DMSO treatment group is added into a complete culture medium containing 1 mu M etoposide and 1 mu M DMSO, and an apilimod treatment group is added into a complete culture medium containing 1 mu M etoposide, 1 mu M apilimod and 1 mu M DMSO;
(2) after the medicine is added for 48 hours, the complete culture medium is replaced to continue the culture for 24 hours.
And 4, step 4: immunofluorescent staining and cell counting, performed as follows:
(1) removing the culture medium, washing with PBS for 3 times, each for 5 min;
(2) fixing: fixing 4% paraformaldehyde at 25 deg.C for 15min, and washing with PBS for 5min for 3 times;
(3) permeability: PBS containing 0.5% Triton X-100 is transparent for 15min at 25 deg.C, and washed with PBS for 3 times, 5min each time;
(4) DAPI staining: diluting 5mg/mL DAPI with PBS according to the proportion of 1:1000, and incubating for 1h in a dark place with 100 mu L of each well;
(5) washing with PBS for 5min for 3 times;
(6) after the staining was completed, a photograph was taken using a full-automatic high-throughput high-content pathology imaging system (ImageXpress Micro consistent), as shown in fig. 1 (a is apilimod-treated group, b is DMSO-treated group);
(7) after the photographing is finished, the Cell counting is carried out by using the Multi wavelet Cell screening function built in the software, each sample is parallelly detected for 10 times, and the data result is presented as an average value. The results are shown in Table 1.
Example 2
Step 1: the recovery of human fibroblasts (IMR 90P 15) was performed as follows:
(1) taking out the human fibroblast cryopreservation tube from the liquid nitrogen tank, and carrying out water bath at 37 ℃ until the human fibroblast cryopreservation tube is melted;
(2) opening the cover of the freezing tube, and adding a proper amount of complete culture medium;
(3) centrifuging at 1000rpm for 5 min;
(4) discarding supernatant, adding culture medium containing 10% calf serum, resuspending cells, inoculating to 10cm cell culture dish, and static culturing at 37 deg.C in incubator (0.5% CO)2,0.3%O2,RH 99%);
(5) The culture medium was changed the next day and the cultivation was continued for 24 h.
Step 2: for human fibroblast (IMR-90: (CCL-186TM) To perform resuscitation, the operation is as follows:
(1) removing the cells from the incubator, removing the medium using a pipettor, and washing for 3min with 10mL PBS;
(2) removing PBS, adding 1mL of trypsin-EDTA (0.25%), slowly shaking, mixing, and digesting at 37 deg.C for 3 min;
(3) adding 2mL culture medium containing 10% calf serum, and stopping digestion;
(4) collecting the mixture in a centrifuge tube, and centrifuging the mixture for 5min at 1000 rpm;
(5) removing supernatant, adding culture medium containing 10% calf serum, resuspending cells, counting cells, adjusting cell density, and inoculating to 96-well cell culture plate to make the number of cells per well be 0.7 ten thousand.
And step 3: adding drugs for treatment, and setting a DMSO treatment group and an apilimod treatment group, wherein the operations are as follows:
(1) the DMSO-treated group was added to complete medium containing 1 μ M DMSO, the apilimod-treated group was added to complete medium containing 1 μ M apilimod and 1 μ M DMSO;
(2) after the medicine is added for 48 hours, the complete culture medium is replaced to continue the culture for 24 hours.
And 4, step 4: immunofluorescent staining and cell counting, performed as follows:
(1) removing the culture medium, washing with PBS for 3 times, each for 5 min;
(2) fixing: fixing 4% paraformaldehyde at 25 deg.C for 15min, and washing with PBS for 5min for 3 times;
(3) permeability: PBS containing 0.5% Triton X-100 is transparent for 15min at 25 deg.C, and washed with PBS for 3 times, 5min each time;
(4) DAPI staining: diluting 5mg/mL DAPI with PBS according to the proportion of 1:1000, and incubating for 1h in a dark place with 100 mu L of each well;
(5) washing with PBS for 5min for 3 times;
(6) after the staining was completed, a photograph was taken using a full-automatic high-throughput high-content pathology imaging system (ImageXpress Micro consistent), as shown in fig. 2 (a is apilimod-treated group, b is DMSO-treated group);
(7) after the photographing is finished, the Cell counting is carried out by using the Multi wavelet Cell screening function built in the software, each sample is parallelly detected for 10 times, and the data result is presented as an average value. The results are shown in Table 1.
Example 3
Step 1: the recovery of human fibroblasts (IMR 90P 27) was performed as follows:
(1) taking out the human fibroblast cryopreservation tube from the liquid nitrogen tank, and carrying out water bath at 37 ℃ until the human fibroblast cryopreservation tube is melted;
(2) opening the cover of the freezing tube, and adding a proper amount of complete culture medium;
(3) centrifuging at 1000rpm for 5 min;
(4) discarding supernatant, adding culture medium containing 10% calf serum, resuspending cells, inoculating to 10cm cell culture dish, and static culturing at 37 deg.C in incubator (0.5% CO)2,0.3%O2,RH 99%);
(5) The culture medium was changed the next day and the cultivation was continued for 24 h.
Step 2: for human fibroblast (IMR-90: (CCL-186TM) To perform resuscitation, the operation is as follows:
(1) removing the cells from the incubator, removing the medium using a pipettor, and washing for 3min with 10mL PBS;
(2) removing PBS, adding 1mL of trypsin-EDTA (0.25%), slowly shaking, mixing, and digesting at 37 deg.C for 3 min;
(3) adding 2mL culture medium containing 10% calf serum, and stopping digestion;
(4) collecting the mixture in a centrifuge tube, and centrifuging the mixture for 5min at 1000 rpm;
(5) removing supernatant, adding culture medium containing 10% calf serum, resuspending cells, counting cells, adjusting cell density, and inoculating to 96-well cell culture plate to make the number of cells per well be 0.7 ten thousand.
And step 3: adding drugs for treatment, and setting a DMSO treatment group and an apilimod treatment group, wherein the operations are as follows:
(1) the DMSO-treated group was added to complete medium containing 1 μ M DMSO, the apilimod-treated group was added to complete medium containing 1 μ M apilimod and 1 μ M DMSO;
(2) after the medicine is added for 48 hours, the complete culture medium is replaced to continue the culture for 24 hours.
And 4, step 4: immunofluorescent staining and cell counting, performed as follows:
(1) removing the culture medium, washing with PBS for 3 times, each for 5 min;
(2) fixing: fixing 4% paraformaldehyde at 25 deg.C for 15min, and washing with PBS for 5min for 3 times;
(3) permeability: PBS containing 0.5% Triton X-100 is transparent for 15min at 25 deg.C, and washed with PBS for 3 times, 5min each time;
(4) DAPI staining: diluting 5mg/mL DAPI with PBS according to the proportion of 1:1000, and incubating for 1h in a dark place with 100 mu L of each well;
(5) washing with PBS for 5min for 3 times;
(6) after staining was completed, photographs were taken using a full-automatic high-throughput high-content pathology imaging system (ImageXpress Micro consistent), as shown in fig. 3 (apilimod-treated group) and fig. 4 (DMSO-treated group);
(7) after the photographing is finished, the Cell counting is carried out by using the Multi wavelet Cell screening function built in the software, each sample is parallelly detected for 10 times, and the data result is presented as an average value. The results are shown in Table 1.
TABLE 1
Group of | State of the cell | Apilimod treatment group | DMSO treatment group | Rate of killing |
Example 1 | P15+ETO | 349 | 1369 | 74.5% |
Example 2 | P15 | 21578 | 23850 | 9.53% |
Example 3 | P27 | 331 | 2070 | 84.0% |
As can be seen from the data in Table 1: apilimod (Apilimod) has obvious specific killing effect on aged cells formed by induction of etoposide or aged cells in a natural state (examples 1 and 3), the killing rate is over 70 percent, and almost no killing effect is generated on non-aged cells (example 2), and the Apilimod can be used as a novel aged cell killing agent to efficiently remove the aged cells.
The applicant states that the present invention is illustrated by the above examples to show an aged cell killing agent and its application, but the present invention is not limited to the above examples, i.e., it does not mean that the present invention must be implemented by the above examples. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
Claims (7)
1. An aging cell killing agent, wherein the aging cell killing agent comprises apilimod or pharmaceutically acceptable salts, esters and solvates thereof.
2. The aging cell killer of claim 1, wherein the aging cell is a treatment-induced aging cell and/or a natural aging cell.
3. The senescent cell killing agent according to claim 1 or 2, wherein the dosage form of the senescent cell killing agent comprises tablets, capsules, granules, powder, injections, sprays, films, suppositories, nasal drops or dropping pills.
4. The aging cell killer of any one of claims 1 to 3, further comprising a pharmaceutically acceptable adjuvant.
5. The aged cell killing agent of claim 4, wherein the adjuvant comprises any one or a combination of at least two of an excipient, a diluent, a carrier, a flavoring agent, a binder, or a filler.
6. The aging cell killer of claim 5, wherein the carrier comprises a liposome, a micelle, a dendrimer, a microsphere, or a microcapsule.
7. Use of the aging cell killer of any one of claims 1 to 6 for the preparation of an anti-aging medicament.
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