CN105854018B - Wnt inhibitor is preparing the application in treating hematopoiesis aplastic disease drug - Google Patents

Wnt inhibitor is preparing the application in treating hematopoiesis aplastic disease drug Download PDF

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Publication number
CN105854018B
CN105854018B CN201610183285.6A CN201610183285A CN105854018B CN 105854018 B CN105854018 B CN 105854018B CN 201610183285 A CN201610183285 A CN 201610183285A CN 105854018 B CN105854018 B CN 105854018B
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icg001
wnt
wnt inhibitor
hematopoiesis
sirt6
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CN105854018A (en
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鞠振宇
汪虎
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Jiakangsaier Biotechnology Yunnan Co ltd
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Hangzhou Normal University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/04Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
    • A61K38/07Tetrapeptides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K48/00Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
    • A61K48/0075Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy characterised by an aspect of the delivery route, e.g. oral, subcutaneous

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
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Abstract

The present invention discloses Wnt inhibitor ICG001 and is preparing the application in treating hematopoiesis aplastic disease drug.Wnt inhibitor ICG001 is by the Wnt signal paths for inhibiting CBP to mediate, the exhaustion of the candidate stem cell of excessively high Wnt signals caused by being lacked by SIRT6 to inhibition.Disclosed herein ICG001 can be used for preparing the mechanism of action of the drug and ICG001 for the treatment of hematopoiesis aplastic relevant disease for promoting SIRT6 knockout hematopoietic stem cell regenerations.

Description

Wnt inhibitor is preparing the application in treating hematopoiesis aplastic disease drug
Technical field
The invention belongs to biomedical class technical fields, are related to Wnt inhibitor ICG-001 and are preparing treatment hematopoiesis aregeneratory Application in property disease medicament.
Background technology
Hemopoietic system carries human body transport oxygen and nutriment to each histocyte, while by carbon dioxide and metabolism Product transports external function, and as body occur damage stress and to it is anti-infective when, scheduling teacher of immune systems at different levels, It is body update and most fast one of the tissue of reproduction speed, in the marrow of the mankind, there are about the new of trillion (about 1012) meter daily Cell generates.Hemopoietic system is the histoorgan with most strong power of regeneration in human body, however in many hematopoiesis aplastics It is the hematopoiesis aregeneratory caused by candidate stem cell function reduction caused by certain gene function defects in disease, Seriously affect health even life.Most cells in candidate stem cell are in nondividing vegetative state, i.e. quiescent stage (G0 Phase).And sub-fraction only therein has active proliferative capacity, and until move towards terminal differentiation.And this tranquillization Function is considered to have crucial biological significance.Studies have shown that this sub-fraction maintains tranquillization always in candidate stem cell The cell of phase can preferably resist radiation, cytotoxin, oxidative stress, thus can exist all the life, to meet the need of hematopoiesis It asks.However in clinical and experiment, hematopoietic stem cell transplantation can lead to hematopoiesis due to the variation of some intracellular signaling pathway System reconstructing ability declines or the exhaustion of candidate stem cell.Therefore, effective treatment hematopoiesis aplastic disease drug is found As clinically aplastic bone marrow venereal disease human needs.
The regulation and control of candidate stem cell stable state are a complicated polymolecular participation process, in order to illustrate the tune of this complex process Section mechanism, scientific research personnel often using various gene knock-out mice models come study signal specific access to candidate stem cell self more New and differentiation influence.Wnt signal paths cell proliferation in the stem cell of many types has played key effect, in recent years Research confirms that Wnt has an effect on stem cell differentiation, and regulates and controls to the self-renewing of candidate stem cell.
Wnt inhibitor ICG001 is micromolecular compound, CAS number:780757-88-2, molecular weight 548.63 are changed Be named as (6S, 9aS) -6- (4-hydroxybenzyl)-N-benzyl-8- (naphthalen-1-ylmethyl) -4,7- Dioxo-hexahydro-2H-pyrazino [1,2-a] pyrimidine-1 (6H)-carboxa mide, molecular formula are C33H32N4O4, chemical constitution is as follows:
In this item patent, applicant has found applications of the ICG001 in hematopoiesis aplastic relevant disease for the first time.Tool Body, this patent finds that ICG001 can play the effect for inhibiting Wnt signals in vivo, reduces as caused by Wnt signals are excessively high The exhaustion of excessive cell Proliferation and stem cell.This item patent also discloses it and is used for the work of hematopoiesis aplastic relevant disease Use mechanism.ICG001 inhibits the activity of CBP albumen in hematopoiesis regenerative process, and reducing Wnt signals prevents hyper-proliferative maintenance from making Hemocytoblast stable state.
Invention content
The purpose of the present invention is in view of the above-mentioned problems, proposing Wnt inhibitor ICG001 is preparing treatment hematopoiesis regeneration barrier Application in impenetrability disease medicament.
The present invention is using SIRT6 knock-out mices in candidate stem cell as model.It is found by the applicant that compound ICG001 can press down The activity and then inhibition Wnt signal genes of CPB albumen processed are expressed, and the expression of Wnt signal genes is inhibited SIRT6 can be promoted to knock out The regeneration of mouse hematopoietic stem cell reduces the hyper-proliferative of cell.Simultaneously it has also been found that give Wnt inhibitor ICG001 in vitro can Play identical effect.Result above discloses effects and mechanism of the ICG001 in promoting hematopoiesis regeneration.
The effective dose of ICG001 is 3.2mg/kg, and drug is made into solvent, is administered in a manner of being injected intraperitoneally.
The beneficial effects of the invention are as follows ICG001, and SIRT6 can be promoted to knock out hematopoietic stem cell regeneration.ICG001 can be reduced SIRT6 knocks out the hyper-proliferative of candidate stem cell.Disclosed herein ICG001 can be used for preparing treatment hematopoiesis aplastic The mechanism of action that the drug and ICG001 of relevant disease are used to that SIRT6 to be promoted to knock out hematopoietic stem cell regeneration.
Description of the drawings
Fig. 1, which is SIRT6 gene knockouts, can increase Wnt signal path gene expressions;
Fig. 2 is that ICG001 inhibits Wnt signal path gene expressions in SIRT6 knock out mice bodies;
Fig. 3 is peripheral blood reconstruction ability and the hematopoiesis that ICG001 processing can improve SIRT6 gene knockout candidate stem cells The reconstruction ability of stem cell;
Fig. 4 is the Wnt signal paths that ICG001 inhibits SIRT6 gene knockout candidate stem cells under conditions of cultivating in vitro Gene expression;
Fig. 5 is the peripheral blood reconstruction energy that the processing of ICG001 in vitro cultures can improve SIRT6 gene knockout candidate stem cells The reconstruction ability of power and candidate stem cell;
Fig. 6 is mechanism flow chart of the present invention.
Specific implementation mode
With reference to embodiment and attached drawing, the present invention is further illustrated, rather than limiting the invention.
SIRT6 gene knockouts (the SIRT6 that the present invention uses△/△) mouse and cleaning grade C57BL/6 Mouse feeders be in Hangzhou Normal university's Experimental Animal Center cleaning grade animal house, mouse is 6-8 week old when experiment.During entire experiment in vivo, institute There is operation to abide by what national and Ethics Committee of Hangzhou Pedagogic University formulated《Experimental animal uses regulations》.ICG001 is purchased from U.S. State LC Laboratories;Dimethyl sulfoxide (DMSO) (Dimethyl sulfoxide, DMSO), 5- bromodeoxyuridine nucleosides (5- Bromo-2-deoxyUridine, BRDU) etc. from Sigma-Aldrich buy;It is all used in the present invention Antibody is purchased from Cell Signaling Technology companies of the U.S. except illustrating.All experimental results are by only Vertical three repeated experiments obtain, and using unpaired t check analysis data, are indicated with scholar SEM.P values<0.05 is conspicuousness Difference criteria (*<0.05, * *<0.01).
Embodiment one:Wnt inhibitor ICG001 can promote the regeneration of SIRT6 gene knockout candidate stem cells
The candidate stem cell of separation and Extraction SIRT6 gene knockouts and littermate control wild-type mice is detected and is analyzed and compares Gene expression difference and SIRT6 lack the influence to hematopoietic stem cell transplantation ability between two groups.The result shows that SIRT6 clpp genes Except the HSC of mouse can dramatically increase Wnt signal paths gene expression (Fig. 1).After vivo medicine-feeding 3 times, ICG001 is in SIRT6 genes Wnt signal paths gene expression (Fig. 2) is significantly inhibited in knock-out mice body.It is tested by bone-marrow transplantation, compares ICG001 processing Group, it can be found that the peripheral blood that ICG001 significantly improves SIRT6 gene knockout candidate stem cells rebuilds ability and candidate stem cell Reconstruction ability (Fig. 3).ICG001 also inhibits the Wnt of SIRT6 gene knockout candidate stem cells to believe under conditions of cultivating in vitro Number pathway gene expression (Fig. 4).The processing of ICG001 in vitro cultures can improve the peripheral blood of SIRT6 gene knockout candidate stem cells The reconstruction ability (Fig. 5) of reconstruction ability and candidate stem cell.
The above result shows that Wnt inhibitor ICG001 can promote the regeneration of SIRT6 gene knockout candidate stem cells.Such as Shown in Fig. 6, Wnt inhibitor ICG001 can prevent the marrow failure of SIRT6 gene knockout hemopoietic systems and treat by SIRT6 bases The hematopoiesis aplastic relevant disease caused by knockout.
Above-described embodiment is not for the limitation of the present invention, and the present invention is not limited only to above-described embodiment, as long as meeting The present invention claims all belong to the scope of protection of the present invention.

Claims (3)

  1. Application in 1.Wnt inhibitor hematopoiesis aplastic disease drug caused by preparing treatment SIRT6 and knocking out, wherein Wnt inhibitor is to inhibit the active Wnt inhibitor ICG001 of acetyl transferase CBP.
  2. 2. Wnt inhibitor as described in claim 1 hematopoiesis aplastic disease medicine caused by preparing treatment SIRT6 and knocking out Application in object, it is characterised in that the Wnt inhibitor ICG001 is micromolecular compound, CAS number 780757- 88-2, molecular weight 548.63, chemical name are (6S, 9aS) -6- (4-hydroxybenzyl)-N-benzyl-8- (naphthalen-1-ylmethyl)-4,7-dioxo-hexahydro-2H-pyrazino[1,2-a]pyrimidine-1 (6H)-carboxamide, molecular formula C33H32N4O4, chemical constitution is as follows:
  3. 3. Wnt inhibitor as described in claim 1 hematopoiesis aplastic disease medicine caused by preparing treatment SIRT6 and knocking out Application in object, it is characterised in that acetylase CBP is the target spot of Wnt signal paths, and Wnt inhibitor ICG001 is by directly pressing down Wnt signal paths processed prevent cell hyperproliferation.
CN201610183285.6A 2016-03-28 2016-03-28 Wnt inhibitor is preparing the application in treating hematopoiesis aplastic disease drug Active CN105854018B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111450109A (en) * 2020-05-06 2020-07-28 武汉大学 Application of cyclic adenosine monophosphate and derivatives thereof in resisting EV71 virus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113476454B (en) * 2021-08-16 2023-07-18 河南省儿童医院郑州儿童医院 Application of ICG-001 in preparation of medicine for treating autism
CN114209837B (en) * 2021-12-29 2023-07-14 中山大学附属第五医院 Medicament for treating erectile dysfunction and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7563825B1 (en) * 2005-03-18 2009-07-21 Choongwae Pharma Corporation Modulation of beta-catenin coactivator interactions to effect stem cell growth or differentiation
CN103476415A (en) * 2010-11-16 2013-12-25 南加州大学 CBP/catenin antagonists for enhancing asymmetric division of somatic stem cells
WO2014025832A1 (en) * 2012-08-06 2014-02-13 University Of Southern California Wnt modulators for the protection, mitigation and treatment of radiation injury
CN104586840A (en) * 2015-01-07 2015-05-06 杭州师范大学 Application of Wip1 inhibitor in preparing medicine for treating liver regeneration deficiency diseases

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7563825B1 (en) * 2005-03-18 2009-07-21 Choongwae Pharma Corporation Modulation of beta-catenin coactivator interactions to effect stem cell growth or differentiation
CN103476415A (en) * 2010-11-16 2013-12-25 南加州大学 CBP/catenin antagonists for enhancing asymmetric division of somatic stem cells
WO2014025832A1 (en) * 2012-08-06 2014-02-13 University Of Southern California Wnt modulators for the protection, mitigation and treatment of radiation injury
CN104586840A (en) * 2015-01-07 2015-05-06 杭州师范大学 Application of Wip1 inhibitor in preparing medicine for treating liver regeneration deficiency diseases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111450109A (en) * 2020-05-06 2020-07-28 武汉大学 Application of cyclic adenosine monophosphate and derivatives thereof in resisting EV71 virus

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