CN104666327B - The application of oligomannuronic acid and its derivative in the medicine and health products for preparing antifatigue and anti-amyotrophia - Google Patents

The application of oligomannuronic acid and its derivative in the medicine and health products for preparing antifatigue and anti-amyotrophia Download PDF

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CN104666327B
CN104666327B CN201510018297.9A CN201510018297A CN104666327B CN 104666327 B CN104666327 B CN 104666327B CN 201510018297 A CN201510018297 A CN 201510018297A CN 104666327 B CN104666327 B CN 104666327B
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amyotrophia
medicine
oligomannuronic acid
application
oligomannuronic
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CN104666327A (en
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郝杰杰
管华诗
敦云楼
于广利
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Ocean University of China
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Abstract

The invention provides the application of oligomannuronic acid and its derivative in the medicine and health products for preparing antifatigue and anti-amyotrophia, the present invention with the ocean acidic polysaccharose with b configurations be raw material, water-soluble low-molecular mannuronic acid compound is obtained, first passage experiment of the present invention demonstrates application of the low-molecular-weight mannuronic acid in preventing and treating or improving fatigue and muscle wasting symptoms;The pharmacological action of low-molecular-weight mannuronic acid clearly, and tests prove that do not have any toxic and side effect to myocyte, is suitable to long-term taking;And low molecule mannuronic acid of the present invention derives from marine natural products, with aboundresources, is easy to industrialization, safe, the good advantage of unique structure, oral absorption, there is wide market application foreground in terms of antifatigue and muscular atrophy.

Description

Oligomannuronic acid and its derivative are preparing the medicine of antifatigue and anti-amyotrophia With the application in health products
Technical field
The invention belongs to marine drug field, and in particular to oligomannuronic acid and its derivative prepare it is antifatigue With the application in anti-amyotrophic medicine and health products.
Background technology
Fatigue is the complicated physiological acoustic signals process of body, is necessarily occurred when referring to mental or physical arrival certain phase A kind of normal physiological phenomenon.It had both indicated the temporary transient decline of the original ability to work of body, was probably again that body is developed into The tendency of morbid state.Fatigue appearance, can cause locomitivity reduction, operating efficiency reduction, mistake and accident increase, fighting capacity Go down.If cannot recover in time after fatigue generation, gradually accumulate, also result in " overwork ", make body that endocrine to occur disorderly Disorderly, immunity degradation, or even there is organic disease, threaten human health.Organism fatigue can be by rest, sleep and thing Reason method is eliminated, it can in addition contain realize antifatigue effect by extra-nutrition material and medicinal treatment.Some side chain ammonia Base acid (BCAA) includes leucine and isoleucine etc., the catabolism in muscle, is easily oxidized to body and provides energy, to dimension Hold the normal activity of human brain and delay and eliminate exercise induced fatigue to play an important role.In addition, also creatine, B family vitamin, dimension Raw element C, vitamin E, vitamin A, carrotene, trace elements of selenium, copper, zinc and metallothionein etc. can also improve body Metabolism, the generation of delay fatigue.In recent years, fatigue also increasingly enjoys the concern of people as subhealth symptom, resists tired Labor is the generation of delay fatigue and/or the elimination of promotion fatigue, and the hot issue studied in sports medical science has been turned at present.
Amyotrophia is that skeletal muscle volume compares the description for decline state occur with the state before contemporary or itself muscle. Amyotrophia is frequently occurred under the conditions of the related damage of aging and various malignant diseases, such as serious disease such as AIDS, cancer, CHD etc..Amyotrophia is how relevant with the infringement of perineural motor fibre and muscle fibre primary affection, from Clinically it is divided into neurogenic and muscle-derived two types, causes the amyotrophia of whole body diffusivity or part.Thin muscle mass changes Change often causes the balance of albumen synthesis and degraded in muscle fibre to change.Research display:It is short-term heavy dose of or long-term super Physiological dose will cause muscular atrophy using glucocorticoid, and it is typically characterised by protein content decline, and (mainly fast muscle is fine Dimension), muscle fibre reduces, and muscular strength declines, fatiguability.The health care belt of the generation meeting patient of amyotrophia carrys out very big influence, in recent years With continuing to develop for society, the amyotrophic incidence of disease also result in people in the trend for constantly rising, treatment muscular atrophy Highest attention, current treatment method mainly has traditional Chinese and western medicine drug therapy, dietary adjustments and motion and other physical therapies, but mesh Preceding these means reach far away preferable therapeutic effect, therefore, research and develop safe efficient, economic anti-amyotrophia medicine and Functional food has turned into current study hotspot.
Oligomannuronic acid is a kind of intercellular polysaccharide that acquisition is separated by being extracted in marine brown, is by β-D-MANNOSE Aldehydic acid (β-D-Mannuronic acid, M) connects the ol cpds of composition by 1,4- glycosidic bonds.At present, there is text both at home and abroad Offering report oligomannuronic acid has the various biologicals such as anti-oxidant, anti-inflammatory, immunological regulation and anti-senile dementia activity, but At present, on oligomannuronic acid oligosaccharides in terms of antifatigue and anti-amyotrophia research and application is there is not yet report.
The content of the invention
The medicine of antifatigue and anti-amyotrophia is being prepared it is an object of the invention to provide oligomannuronic acid and its derivative Application in thing and health products, the present invention is experimentally confirmed oligomannuronic acid and its derivative in animal and cellular level On there is notable protective effect to sports fatigue and muscle fiber atrophy.Compound of the invention possesses low-molecular-weight acidity oligosaccharides Advantage, not only water-soluble strong, easily absorption, and also abundance, the mechanism of action are unique, with wide industrialization development application Prospect.
For achieving the above object, the present invention is achieved using following technical proposals:
The application of oligomannuronic acid and its derivative in the medicine and health products for preparing antifatigue and anti-amyotrophia.
The molecular skeleton of the oligomannuronic acid and its derivative is bonded for D-MANNOSE aldehydic acid by β -1,4 glucosides The linear oligosaccharides compound to be formed is connect, weight average molecular weight is 0.3kDa~12kDa;Wherein, oligomannuronic acid and its derivative The general formula of molecular structure of thing is as follows:
In formula, R=H or Li, Na, K, Ca, Mg or corresponding sulphation, phosphorylation, nitrification, carboxy methylation deriveding group, n ≤60。
R '=H or corresponding sulphations, phosphorylation, nitrification, carboxy methylation deriveding group.
The consumption of the oligomannuronic acid and its derivative is 5mg/kg-100mg/kg.
The oligomannuronic acid and its derivative dramatically increase the tolerance of exercise of skeletal muscle.
The oligomannuronic acid and its derivative can reduce the accumulation of internal serum urea nitrogen after motion, reduce motion Internal blood lactase acid accumulation afterwards.
The oligomannuronic acid and its derivative can increase hepatic glycogen and muscle glycogen content.
The oligomannuronic acid and its derivative can suppress under the protein level of skeletal muscle content that glucocorticoid causes Drop.
Low-molecular-weight mannuronic acid is extracted from sea-tangle, bulk kelp, bladder-wrack, yellow tang, kelp or rope algae correlation brown alga The algin for obtaining is obtained by classification and degraded.
The low-molecular-weight mannuronic acid and its derivative and anti-fatigue medicament ginseng class, wilsonii, royal jelly, three phosphorus Adenosine monophosphate, rhodiola root, astaxanthin, spirulina, Chinese caterpillar fungus class, vitamins compounding, or with anti-amyotrophia medicine neurotrophic peptide Class, or compound to form medicine or health products with the algin comprising oligomannuronic acid salt, brown alga oligose.
Advantages of the present invention and beneficial effect are:
1st, the present invention exhausts animal model and skeletal muscle atrophy cell model using swimming power, by the oligomeric sweet dew of experimental verification , in the effect of antifatigue and anti-amyotrophia, research has shown that oligomannuronic acid salt can significantly prolong for uronic acid and its derivative Swimming time long, is effectively increased the deposit of hepatic glycogen and muscle glycogen, significantly reduces serum urea and blood lactase acid after motion Level, can strengthen mouse body endurance, bear the reinforcement of exercise load ability;Simultaneously Skeletal Muscle Cell albumen is significantly improved to contain Amount, significantly inhibits the loss degraded of myotube protein, so as to realize the effect of antifatigue and anti-amyotrophia.Oligomeric manna sugar of the present invention Aldehydic acid and its derivative can be used to preventing or treating fatigue and amyotrophia symptom.
2nd, oligomannuronic acid salt of the present invention derives from marine natural polysaccharide, with aboundresources, is easy to industry Change, many advantages, such as safe and effective, there is wide development prospect in terms of antifatigue and anti-amyotrophia.
Specific embodiment
Technical scheme is described in further detail with reference to specific embodiment.
The invention provides low-molecular-weight mannuronic acid and its purposes of derivative, withered for preparing antifatigue and anti-flesh The medicine and health products of contracting.The present invention proves that low-molecular-weight mannuronic acid and its derivative can effectively prolong by experiment first The swimming time of Exhausted mice long, significantly reduces the level of blood lactase acid and serum urea nitrogen, and significantly improves the liver of Exhausted mice The content of glycogen and muscle glycogen;Simultaneously low-molecular-weight mannuronic acid can significantly inhibit myotube protein that glucocorticoid causes with And the reduction of α-actin contents, and effectively suppress the degradation process of myotube protein;Therefore can be used to prevent, treat or improve Fatigue and muscle wasting symptoms.
Low-molecular-weight mannuronic acid in the present invention can be from sea-tangle, bulk kelp, bladder-wrack, yellow tang, kelp or rope algae Extract the algin for obtaining in related brown alga to be obtained by classification and degraded, it is also possible to by being chemically synthesized and obtaining.It is described Oligomannuronic acid salt is lithium salts, sodium salt, sylvite, calcium salt or the magnesium salts of the oligomannuronic acid of different molecular weight, described The molecular skeleton of oligomannuronic acid and its derivative connects what is formed for D-MANNOSE aldehydic acid (M) by β -1,4 glycosidic bonds Linear oligosaccharides compound, constitutes between saccharide residue by β-Isosorbide-5-Nitrae-D-MANNOSE aldehydic acid, and structural formula is as follows:
Its weight average molecular weight range is 0.3kD~15kD (preferably 1kD~10kD), n≤60 (preferably 1~30), formula In, R=H or Li, Na, K, Ca, Mg or corresponding sulphation, phosphorylation, nitrification, carboxy methylation deriveding group, R '=H or corresponding Sulphation, phosphorylation, nitrification, carboxy methylation deriveding group.
Animal pattern and glucocorticoid inducible amyotrophy model cell are exhausted according to classical tired power, be have rated oligomeric The influence of mannuronic acid and its derivative to fatigue and muscle wasting symptoms.
Embodiment 1:Protective effect of the oligomannuronic acid salt (LM) to disposable swimming Exhausted mice
1) influences of the LM to Exhausted mice swimming time
Model is exhausted i.e. using mouse swimming power:After mouse continuous gavage 2 weeks, positive drug selects n-octacosanol (10mg/ Kg), oligomannuronic acid salt is divided into low dose group (25mg/kg), middle dose group (50mg/kg), high dose group (100mg/ ), kg in after last time treatment half an hour, the galvanized wire of 3% body weight that mouse tail is born a heavy burden, (unit is to be placed in 50 × 50 × 40 Cm swimming pool went swimming), 30 ± 1 DEG C of water temperature, record mouse starts swimming, and to trip, power does not exhaust and sinks to underwater and can not float for 8 seconds Time untill going out the water surface, i.e. mouse swimming power exhaust the time.
Result is as shown in table 1:Determining mouse persistent movement can reflect the endurance of body to the time that power exhausts.By the institute of table 1 Show, swimming time has dose-effect relationship with LM, high dose group increases most relative to blank group swimming time, 90.5%, median dose group increases by 66.2%, and n-octacosanol group increased 67.5%, show LM high doses group and middle dose group The exercise tolerance of mouse can be improved, with antifatigue effect.
Influences of the LM of table 1 to the mice burden swimming time
**p<0.01, compare with model group.
2) influences of the LM to Exhausted mice blood lactase acid (BLA) and serum urea nitrogen (BUN)
Model is exhausted i.e. using mouse swimming power:After mouse continuous gavage 2 weeks, positive drug selects n-octacosanol (10mg/ Kg), oligomannuronic acid salt is divided into low dose group (25mg/kg), middle dose group (50mg/kg), high dose group (100mg/ ), kg in after last time treatment half an hour, tail vein takes blood, determines the preceding blood urea nitrogen (BUN) of swimming, blood lactase acid (BLA) and contains Amount, the galvanized wire of 3% body weight that mouse tail is born a heavy burden is placed in 50 × 50 × 40 swimming pool went swimming, 30 ± 1 DEG C of water temperature, swimming 1 Taken out after hour, removal is born a heavy burden, eyeball takes blood after quiet 15min, determine mouse blood urea nitrogen (BUN), blood lactase acid (BLA) and contain Amount.Generally cause the biochemical indicator of fatigue by determining, the appearance and evolution of fatigue can be observed.When mouse body is long Between when can not obtain enough energy by sugar, catabolism of fat, protein and amino acids catabolism will be strengthened, and And the metabolism of nucleotides is also accelerated therewith, the final product of this metabolic pathway all generates urea.Plasma wrea produces fewer, says Bright mouse body endurance is stronger, can more bear exercise load.
From table 2, each group serum urea nitrogen difference is not obvious before swimming, and each group serum urea nitrogen content is obvious after swimming Increase.After swimming, compared with model group, LM middle dosages and high dose group and n-octacosanol group serum urea nitrogen are substantially less than Model group, this says that LM can reduce the accumulation of serum urea nitrogen in exercised rats body.
Blood lactase acid is the product of glycolysis under anoxic conditions, and with the quickening of glycolysis speed, lactic acid contains in muscle Amount constantly accumulation, causes Cellular pH value to decline, and produces a series of Biochemical changes, and then cause fatigue.Accumulated in muscle more Lactic acid, the performance degree of fatigue is more serious.It thus is seen that each group Serum lactic acid content difference is not obvious before swimming, it is each after swimming Group Serum lactic acid content substantially increases.And model group Serum lactic acid content is said apparently higher than high dose group in LM and n-octacosanol group Bright LM can reduce blood lactase acid accumulation in vivo after mouse movement, accelerate the recovery of body.
Influence of the table 2 to mice serum urea nitrogen (BUN) and blood lactase acid (BLA)
*p<0.05, compare with model group
3) influences of the LM to Exhausted mice hepatic glycogen and Body development
Model is exhausted i.e. using mouse swimming power:After mouse continuous gavage 2 weeks, positive drug selects n-octacosanol (10mg/ Kg), oligomannuronic acid salt is divided into low dose group (25mg/kg), middle dose group (50mg/kg), high dose group (100mg/ ), kg in after last time treatment half an hour, the galvanized wire of 3% body weight that mouse tail is born a heavy burden is placed in 50 × 50 × 40 swimming pool Went swimming, 30 ± 1 DEG C of water temperature, swimming is taken out after 1 hour, and removal is born a heavy burden, and after eyeball takes blood, dislocation immediately is put to death, and takes out liver And hind leg muscle, hepatic glycogen (LG) and muscle glycogen (MG) content is determined respectively.Due to the deposit of glycogen in living organism and motion Endurance is proportionate.When run duration increases, muscle glycogen can be largely consumed, make the reduction of living organism locomitivity, fatigue occur, The intake for blood sugar is increased simultaneously, when decomposition rate of the intake speed more than hepatic glycogen, blood sugar level reduction.Because To central nervous system, blood sugar reduction can cause central nervous system to be short of power, so as to cause whole body fatigue for blood sugar energy supply.
Experimental result (table 3) shows, the hepatic glycogen and muscle glycogen of middle and high dosage group and n-octacosanol group are apparently higher than sky White group, illustrating the LM of middle and high dosage group can increase hepatic glycogen and muscle glycogen content, and glycogen can directly resolve into glucose Into blood, utilized for its hetero-organization by blood circulation.Therefore, the LM of middle and high dosage group can delay and resist fatigue Occur.
Influences of the table 3LM to mouse hepatic glycogen (LG) and muscle glycogen (MG)
*p<0.05,**p<0.01 compares with model group;#p<0.05, compare with positive drug.
Embodiment 2:Oligomannuronic acid salt (LM) protection myocyte avoids the effect of myotube atrophy
1) influences of the LM to C2C12 myotube protein contents
This experiment forms C2C12 myotubes in 8 days using mice skeletal C2C12 myoblast differentiations, uses dexamethasone DEX (100nM) stimulates 24 hours, sets up classical amyotrophia cell model.α-actin are one kind of actin subclass, are myogens The abundant albumen of fiber content, its content influences the contractility of skeletal muscle.Researcher often with the change of the albumen of α-actin come Reflect the change of Skeletal Muscle Contraction albumen.There is decline of the phase with α-actin protein contents in muscular atrophy.
Influences of the LM to protein level of skeletal muscle content is observed in experiment.Muscle total protein is detected using BCA methods, is used The content of western Blot methods detection α-actin, as a result as shown in table 4, dexamethasone DEX (100nM) treatment myotubes 24 hours afterwards, and total protein content is consistent with α-actin content downward trends, is respectively provided with significant difference, shows that model is set up Success.The LM of test dose can significantly increase total protein content and α-actin contents, and in dose-dependent effect.This table Bright LM can effectively suppress the amyotrophia phenomenon of the protein level of skeletal muscle content decline that glucocorticoid causes.
Influences of the LM of table 4 to Skeletal Muscle Cell total protein content and α-actin contents
##p<0.01, compare with blank group;*p<0.05,**p<0.01 compares with model group.
2) influence that LM degrades to C2C12 myotube proteins
This experiment forms C2C12 myotubes in 8 days using mice skeletal C2C12 myoblast differentiations, uses dexamethasone DEX (100nM) stimulates 24 hours, sets up classical amyotrophia cell model.Proteins ubiquitin degradation pathway is the master that skeletal muscle is lost Want reason.
Influences of the LM to myotube protein ubiquitination Degradation Level is observed by western Blot methods in experiment.As a result table 5 Shown, the ubiquitination level of albumen significantly rises dexamethasone DEX (100nM) treatment myotubes, shows mould afterwards within 24 hours The PD of type cell accelerates.The LM of test dose can significantly suppress albumen ubiquitination degraded, and in dosage according to Rely effect.This shows that LM can effectively suppress the loss of the protein level of skeletal muscle that glucocorticoid causes, and dosage is in 100ug/ml When, inhibiting rate is up to 35.7%, is acted on preferable anti-amyotrophia.
Influences of the LM of table 5 to Skeletal Muscle Cell proteins ubiquitin degradation pathway
##p<0.01, compare with blank group;*p<0.05,**p<0.01 compares with model group.
It is of the invention test result indicate that, low-molecular-weight mannuronic acid salt can preferably increase the exercise tolerance of skeletal muscle Power, accelerates the recovery of tired body, hence it is evident that suppresses myotube protein and loses the effect for decomposing and reaching antifatigue and anti-amyotrophia.Should Low-molecular-weight mannuronic acid salt can be used for the prevention of fatigue and amyotrophia illness as a kind of natural health-care products or medicine And treatment.The product is originated Yu Haiyang marine alga, with aboundresources, it is easy to industrialization, and safety it is high the advantages of, antifatigue and Anti- amyotrophia aspect has wide market and application prospect.The present invention will offer reference meaning for the higher value application of ocean marine alga Justice and enlightenment.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited;Although with reference to foregoing reality Example is applied to be described in detail the present invention, for the person of ordinary skill of the art, still can be to foregoing implementation Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic;And these are changed or replace Change, do not make the spirit and scope of the essence disengaging claimed technical solution of the invention of appropriate technical solution.

Claims (9)

1. application of the oligomannuronic acid in the medicine and health products for preparing antifatigue and anti-amyotrophia, it is characterised in that: The molecular skeleton of the oligomannuronic acid connects the linear oligosaccharides to be formed for D-MANNOSE aldehydic acid by β -1,4 glycosidic bonds Compound, weight average molecular weight is 0.3 kDa~12 kDa;Wherein, the general formula of molecular structure of oligomannuronic acid is as follows:
In formula, R=H or Li, Na, K, Ca, Mg or corresponding sulphation, phosphorylation, nitrification, carboxy methylation deriveding group, n≤ 60;
R '=H or corresponding sulphations, phosphorylation, nitrification, carboxy methylation deriveding group.
2. oligomannuronic acid according to claim 1 is in the medicine and health products for preparing antifatigue and anti-amyotrophia Application, it is characterised in that:The consumption of the oligomannuronic acid is 5 mg/kg-100 mg/kg.
3. oligomannuronic acid according to claim 1 is in the medicine and health products for preparing antifatigue and anti-amyotrophia Application, it is characterised in that:The oligomannuronic acid dramatically increases the tolerance of exercise of skeletal muscle.
4. oligomannuronic acid according to claim 1 is in the medicine and health products for preparing antifatigue and anti-amyotrophia Application, it is characterised in that:The oligomannuronic acid can reduce the accumulation of internal serum urea nitrogen after motion, reduce motion Internal blood lactase acid accumulation afterwards.
5. oligomannuronic acid according to claim 1 is in the medicine and health products for preparing antifatigue and anti-amyotrophia Application, it is characterised in that:The oligomannuronic acid can increase hepatic glycogen and muscle glycogen content.
6. oligomannuronic acid according to claim 1 is in the medicine and health products for preparing antifatigue and anti-amyotrophia Application, it is characterised in that:The oligomannuronic acid can suppress under the protein level of skeletal muscle content that glucocorticoid causes Drop.
7. oligomannuronic acid according to claim 1 is in the medicine and health products for preparing antifatigue and anti-amyotrophia Application, it is characterised in that:The n is 1~30.
8. oligomannuronic acid according to claim 1 is in the medicine and health products for preparing antifatigue and anti-amyotrophia Application, it is characterised in that:Oligomannuronic acid is extracted from sea-tangle, bulk kelp, bladder-wrack, yellow tang, kelp or rope algae The algin for arriving is obtained by classification and degraded.
9. oligomannuronic acid according to claim 1 is in the medicine and health products for preparing antifatigue and anti-amyotrophia Application, it is characterised in that:The oligomannuronic acid and anti-fatigue medicament ginseng class, wilsonii, royal jelly, Adenosine triphosphate Glycosides, rhodiola root, astaxanthin, spirulina, Chinese caterpillar fungus class, vitamins compounding, or with anti-amyotrophia medicine neurotrophy peptides, or Person compounds to form medicine or health products with the algin comprising oligomannuronic acid salt, algin oligosaccharide.
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