CN116731936A - 一种具有免疫调节功能的干酪乳酪杆菌lc15及其用途、产品与方法 - Google Patents
一种具有免疫调节功能的干酪乳酪杆菌lc15及其用途、产品与方法 Download PDFInfo
- Publication number
- CN116731936A CN116731936A CN202311007143.0A CN202311007143A CN116731936A CN 116731936 A CN116731936 A CN 116731936A CN 202311007143 A CN202311007143 A CN 202311007143A CN 116731936 A CN116731936 A CN 116731936A
- Authority
- CN
- China
- Prior art keywords
- bacillus
- cctcc
- vitro
- cheese
- lactobacillus casei
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 244000199866 Lactobacillus casei Species 0.000 title claims description 33
- 235000013958 Lactobacillus casei Nutrition 0.000 title claims description 33
- 229940017800 lactobacillus casei Drugs 0.000 title claims description 33
- 230000004957 immunoregulator effect Effects 0.000 title description 3
- 241000193830 Bacillus <bacterium> Species 0.000 claims abstract description 43
- 235000013351 cheese Nutrition 0.000 claims abstract description 41
- 238000004321 preservation Methods 0.000 claims abstract description 28
- 238000000338 in vitro Methods 0.000 claims abstract description 22
- 241000588747 Klebsiella pneumoniae Species 0.000 claims abstract description 19
- 241001134658 Streptococcus mitis Species 0.000 claims abstract description 19
- 241000588724 Escherichia coli Species 0.000 claims abstract description 18
- 241000607142 Salmonella Species 0.000 claims abstract description 18
- 241000191967 Staphylococcus aureus Species 0.000 claims abstract description 18
- 229940124622 immune-modulator drug Drugs 0.000 claims abstract description 18
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 17
- 244000052616 bacterial pathogen Species 0.000 claims abstract description 16
- 230000007365 immunoregulation Effects 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims description 18
- 239000004480 active ingredient Substances 0.000 claims description 14
- 239000004599 antimicrobial Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 102000004127 Cytokines Human genes 0.000 claims description 10
- 108090000695 Cytokines Proteins 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000035755 proliferation Effects 0.000 claims description 8
- 238000001228 spectrum Methods 0.000 claims description 8
- 230000001737 promoting effect Effects 0.000 claims description 7
- 206010057249 Phagocytosis Diseases 0.000 claims description 6
- 230000000844 anti-bacterial effect Effects 0.000 claims description 6
- 230000000845 anti-microbial effect Effects 0.000 claims description 6
- 230000002519 immonomodulatory effect Effects 0.000 claims description 6
- 239000002955 immunomodulating agent Substances 0.000 claims description 6
- 230000008782 phagocytosis Effects 0.000 claims description 6
- MZOFCQQQCNRIBI-VMXHOPILSA-N (3s)-4-[[(2s)-1-[[(2s)-1-[[(1s)-1-carboxy-2-hydroxyethyl]amino]-4-methyl-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-3-[[2-[[(2s)-2,6-diaminohexanoyl]amino]acetyl]amino]-4-oxobutanoic acid Chemical compound OC[C@@H](C(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@@H](N)CCCCN MZOFCQQQCNRIBI-VMXHOPILSA-N 0.000 claims description 4
- 108060008682 Tumor Necrosis Factor Proteins 0.000 claims description 4
- 102000000852 Tumor Necrosis Factor-alpha Human genes 0.000 claims description 4
- 229940088710 antibiotic agent Drugs 0.000 abstract description 6
- 244000005700 microbiome Species 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 28
- 230000001580 bacterial effect Effects 0.000 description 14
- 239000002609 medium Substances 0.000 description 12
- 238000012258 culturing Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 239000000725 suspension Substances 0.000 description 11
- 239000006041 probiotic Substances 0.000 description 10
- 235000018291 probiotics Nutrition 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000001963 growth medium Substances 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 8
- -1 glidants Substances 0.000 description 8
- 239000006228 supernatant Substances 0.000 description 8
- 239000006144 Dulbecco’s modified Eagle's medium Substances 0.000 description 7
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- 239000003833 bile salt Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- 229920001817 Agar Polymers 0.000 description 5
- 239000008272 agar Substances 0.000 description 5
- 239000002552 dosage form Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 4
- 238000004113 cell culture Methods 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000008103 glucose Substances 0.000 description 4
- 210000002540 macrophage Anatomy 0.000 description 4
- 244000052769 pathogen Species 0.000 description 4
- 239000002504 physiological saline solution Substances 0.000 description 4
- 230000000529 probiotic effect Effects 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 239000003826 tablet Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000222120 Candida <Saccharomycetales> Species 0.000 description 3
- 241000590002 Helicobacter pylori Species 0.000 description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229940041514 candida albicans extract Drugs 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 210000004051 gastric juice Anatomy 0.000 description 3
- 229940037467 helicobacter pylori Drugs 0.000 description 3
- 230000028993 immune response Effects 0.000 description 3
- 210000000987 immune system Anatomy 0.000 description 3
- 238000011534 incubation Methods 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 229940099596 manganese sulfate Drugs 0.000 description 3
- 235000007079 manganese sulphate Nutrition 0.000 description 3
- 239000011702 manganese sulphate Substances 0.000 description 3
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000000242 pagocytic effect Effects 0.000 description 3
- 239000000825 pharmaceutical preparation Substances 0.000 description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 3
- 229920000053 polysorbate 80 Polymers 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000001632 sodium acetate Substances 0.000 description 3
- 235000017281 sodium acetate Nutrition 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- 239000012138 yeast extract Substances 0.000 description 3
- GOZMBJCYMQQACI-UHFFFAOYSA-N 6,7-dimethyl-3-[[methyl-[2-[methyl-[[1-[3-(trifluoromethyl)phenyl]indol-3-yl]methyl]amino]ethyl]amino]methyl]chromen-4-one;dihydrochloride Chemical compound Cl.Cl.C=1OC2=CC(C)=C(C)C=C2C(=O)C=1CN(C)CCN(C)CC(C1=CC=CC=C11)=CN1C1=CC=CC(C(F)(F)F)=C1 GOZMBJCYMQQACI-UHFFFAOYSA-N 0.000 description 2
- 241001134770 Bifidobacterium animalis Species 0.000 description 2
- 241001608472 Bifidobacterium longum Species 0.000 description 2
- 238000009631 Broth culture Methods 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 241000186673 Lactobacillus delbrueckii Species 0.000 description 2
- 241000218588 Lactobacillus rhamnosus Species 0.000 description 2
- 239000001888 Peptone Substances 0.000 description 2
- 108010080698 Peptones Proteins 0.000 description 2
- 241000235070 Saccharomyces Species 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000000181 anti-adherent effect Effects 0.000 description 2
- 230000003110 anti-inflammatory effect Effects 0.000 description 2
- 235000015278 beef Nutrition 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 229940118852 bifidobacterium animalis Drugs 0.000 description 2
- 229940009291 bifidobacterium longum Drugs 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- KLOIYEQEVSIOOO-UHFFFAOYSA-N carbocromen Chemical compound CC1=C(CCN(CC)CC)C(=O)OC2=CC(OCC(=O)OCC)=CC=C21 KLOIYEQEVSIOOO-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 2
- 239000007884 disintegrant Substances 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 229940088598 enzyme Drugs 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 235000013355 food flavoring agent Nutrition 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000003906 humectant Substances 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 230000002757 inflammatory effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000015788 innate immune response Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 235000019319 peptone Nutrition 0.000 description 2
- 239000000546 pharmaceutical excipient Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000000770 proinflammatory effect Effects 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000829 suppository Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000000375 suspending agent Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- 235000013618 yogurt Nutrition 0.000 description 2
- 208000023275 Autoimmune disease Diseases 0.000 description 1
- 241000194107 Bacillus megaterium Species 0.000 description 1
- 241000193388 Bacillus thuringiensis Species 0.000 description 1
- 241000186000 Bifidobacterium Species 0.000 description 1
- 241000186018 Bifidobacterium adolescentis Species 0.000 description 1
- 241000901050 Bifidobacterium animalis subsp. lactis Species 0.000 description 1
- 241000186016 Bifidobacterium bifidum Species 0.000 description 1
- 241000186012 Bifidobacterium breve Species 0.000 description 1
- 241000186015 Bifidobacterium longum subsp. infantis Species 0.000 description 1
- 241001134772 Bifidobacterium pseudocatenulatum Species 0.000 description 1
- 241001468229 Bifidobacterium thermophilum Species 0.000 description 1
- 241000193417 Brevibacillus laterosporus Species 0.000 description 1
- 241000193171 Clostridium butyricum Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 240000001046 Lactobacillus acidophilus Species 0.000 description 1
- 235000013956 Lactobacillus acidophilus Nutrition 0.000 description 1
- 241000218492 Lactobacillus crispatus Species 0.000 description 1
- 241000186840 Lactobacillus fermentum Species 0.000 description 1
- 241000186606 Lactobacillus gasseri Species 0.000 description 1
- 240000002605 Lactobacillus helveticus Species 0.000 description 1
- 235000013967 Lactobacillus helveticus Nutrition 0.000 description 1
- 241001468157 Lactobacillus johnsonii Species 0.000 description 1
- 241000186605 Lactobacillus paracasei Species 0.000 description 1
- 240000006024 Lactobacillus plantarum Species 0.000 description 1
- 235000013965 Lactobacillus plantarum Nutrition 0.000 description 1
- 241000186869 Lactobacillus salivarius Species 0.000 description 1
- 241000193386 Lysinibacillus sphaericus Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 241000881860 Paenibacillus mucilaginosus Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 102000057297 Pepsin A Human genes 0.000 description 1
- 108090000284 Pepsin A Proteins 0.000 description 1
- 241000235648 Pichia Species 0.000 description 1
- 241000223252 Rhodotorula Species 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 description 1
- 241000235347 Schizosaccharomyces pombe Species 0.000 description 1
- 108010087230 Sincalide Proteins 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 241001052560 Thallis Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000011543 agarose gel Substances 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 230000001640 apoptogenic effect Effects 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 239000007633 bacillus mucilaginosus Substances 0.000 description 1
- 229940097012 bacillus thuringiensis Drugs 0.000 description 1
- 239000007621 bhi medium Substances 0.000 description 1
- 229940002008 bifidobacterium bifidum Drugs 0.000 description 1
- 229940004120 bifidobacterium infantis Drugs 0.000 description 1
- 229940009289 bifidobacterium lactis Drugs 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000021164 cell adhesion Effects 0.000 description 1
- 238000010609 cell counting kit-8 assay Methods 0.000 description 1
- 230000004663 cell proliferation Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- YXVFQADLFFNVDS-UHFFFAOYSA-N diammonium citrate Chemical compound [NH4+].[NH4+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O YXVFQADLFFNVDS-UHFFFAOYSA-N 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000001502 gel electrophoresis Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 230000007407 health benefit Effects 0.000 description 1
- 230000005745 host immune response Effects 0.000 description 1
- 230000015784 hyperosmotic salinity response Effects 0.000 description 1
- 210000002865 immune cell Anatomy 0.000 description 1
- 230000036737 immune function Effects 0.000 description 1
- 230000008975 immunomodulatory function Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 210000005007 innate immune system Anatomy 0.000 description 1
- 208000028774 intestinal disease Diseases 0.000 description 1
- 230000006799 invasive growth in response to glucose limitation Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229940039695 lactobacillus acidophilus Drugs 0.000 description 1
- 229940012969 lactobacillus fermentum Drugs 0.000 description 1
- 229940054346 lactobacillus helveticus Drugs 0.000 description 1
- 229940072205 lactobacillus plantarum Drugs 0.000 description 1
- 238000009630 liquid culture Methods 0.000 description 1
- 239000006166 lysate Substances 0.000 description 1
- 208000030159 metabolic disease Diseases 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 230000004682 mucosal barrier function Effects 0.000 description 1
- 208000007538 neurilemmoma Diseases 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000004792 oxidative damage Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 229940111202 pepsin Drugs 0.000 description 1
- 229940124531 pharmaceutical excipient Drugs 0.000 description 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 238000012257 pre-denaturation Methods 0.000 description 1
- CMDGQTVYVAKDNA-UHFFFAOYSA-N propane-1,2,3-triol;hydrate Chemical compound O.OCC(O)CO CMDGQTVYVAKDNA-UHFFFAOYSA-N 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 206010039667 schwannoma Diseases 0.000 description 1
- IZTQOLKUZKXIRV-YRVFCXMDSA-N sincalide Chemical compound C([C@@H](C(=O)N[C@@H](CCSC)C(=O)NCC(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(N)=O)NC(=O)[C@@H](N)CC(O)=O)C1=CC=C(OS(O)(=O)=O)C=C1 IZTQOLKUZKXIRV-YRVFCXMDSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- GNBVPFITFYNRCN-UHFFFAOYSA-M sodium thioglycolate Chemical compound [Na+].[O-]C(=O)CS GNBVPFITFYNRCN-UHFFFAOYSA-M 0.000 description 1
- 229940046307 sodium thioglycolate Drugs 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000012137 tryptone Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
- C12N1/205—Bacterial isolates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/66—Microorganisms or materials therefrom
- A61K35/74—Bacteria
- A61K35/741—Probiotics
- A61K35/744—Lactic acid bacteria, e.g. enterococci, pediococci, lactococci, streptococci or leuconostocs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
- C12R2001/00—Microorganisms ; Processes using microorganisms
- C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Medicinal Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Microbiology (AREA)
- Genetics & Genomics (AREA)
- Pharmacology & Pharmacy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Veterinary Medicine (AREA)
- Virology (AREA)
- General Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Plant Pathology (AREA)
- Environmental Sciences (AREA)
- Mycology (AREA)
- General Engineering & Computer Science (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Tropical Medicine & Parasitology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pest Control & Pesticides (AREA)
- Oncology (AREA)
- Agronomy & Crop Science (AREA)
- Communicable Diseases (AREA)
- Epidemiology (AREA)
- Dentistry (AREA)
- Molecular Biology (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Abstract
本发明一种具有免疫调节功能的干酪乳酪杆菌及其用途、产品与方法属于微生物技术领域。本发明提供一种具有免疫调节功能的干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15,其保藏编号为CCTCC NO:M 20231115。基于该菌株LC15,本发明还提供其在制备免疫调节药物和/或制备抗菌剂和/或体外抑菌方面的用途、其免疫调节药物、抗菌剂、体外抑菌方法。本发明提供的干酪乳酪杆菌LC15,其具有较强的免疫调节能力,并能够有效抑制金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌等多种病原菌,同时对多种抗生素敏感,具有较高的安全性。
Description
技术领域
本发明属于微生物技术领域,特别涉及一种具有免疫调节功能的干酪乳酪杆菌及其用途、产品与方法。
背景技术
人类可能通过摄入、吸入和许多其他方式接触数百万种病原生物,而免疫系统在预防特定病原体感染方面起着至关重要的作用。人体免疫系统由许多生物结构组成,包括分子、细胞和组织,它们启动对微生物感染和肿瘤的抵抗力。作为免疫系统的一部分,巨噬细胞广泛分布在人体的几个器官和组织中。巨噬细胞是抵御感染的第一道防线,是先天免疫系统的重要细胞组成部分,因为它们分泌免疫调节介质,在先天性和适应性宿主免疫反应的启动中发挥重要作用,能够保护宿主免受外来病原体的侵害。
益生菌是活的微生物,当摄入足量时,它们会带来多种健康益处。益生菌粘附在人体肠道中,刺激和调节各种不同的功能,包括促进营养物质吸收、加强黏膜屏障、维持肠道菌群平衡、先天免疫、抑制肠道疾病等。益生菌的有益作用与肠道菌群组成和活性的调节以及自身免疫性疾病中免疫反应的操纵有关。
干酪乳酪杆菌作为益生菌的一种,已被报道具有抑制幽门螺杆菌、预防代谢疾病(降血糖、降血压)、缓解骨质疏松、缓解细胞氧化损伤、免疫调节等功能,目前市面上提供的干酪乳酪杆菌尚不能满足工业生产、市场及消费者等多重选择需求,可供选择的空间较小,尤其在增强免疫力、缓解湿疹、抗菌谱广等方面,本领域现有技术提供的干酪乳酪杆菌菌株较少,因此本领域仍需开发更多有益的干酪乳酪杆菌新菌株。
发明内容
基于本领域现有技术存在的上述开发更多具有增强免疫力功能及抗菌谱广的干酪乳酪杆菌新菌株的需求,本发明提供一种具有免疫调节功能的干酪乳酪杆菌及其应用。
本发明的技术方案如下:
一种具有免疫调节功能的干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15,其特征在于,其保藏编号为CCTCC NO: M 20231115。
保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15在制备免疫调节药物和/或制备抗菌剂和/或体外抑菌方面的用途。
保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15在制备免疫调节药物和/或制备抗菌剂和/或体外抑菌方面的用途,所述免疫调节药物以干酪乳酪杆菌LC15为药效活性成分;
优选地,所述抗菌剂的抗菌谱包括:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌;
优选地,所述体外抑菌指:将干酪乳酪杆菌LC15与病原菌进行体外共培养。
所述病原菌选自:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌;
优选地,所述免疫调节选自:促进RAW264.7细胞增殖、提升RAW264.7细胞吞噬指数、促进RAW264.7细胞因子产生;
优选地,所述细胞因子包括:TNF-α、IL-10。
一种免疫调节药物,包括药效活性成分,所述药效活性成分包括:保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15。
所述的一种免疫调节药物,还包括:药学上可接受的辅料。
一种抗菌剂,包括活性成分,所述活性成分包括:保藏编号为CCTCC NO: M20231115的干酪乳酪杆菌LC15。
所述的一种抗菌剂,还包括:辅料;
优选地,所述抗菌剂的抗菌谱包括:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌。
一种体外抑菌方法,采用保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15抑菌。
将所述干酪乳酪杆菌LC15与病原菌进行体外共培养;
优选地,所述病原菌选自:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌。
本发明的有益效果如下:
本发明从酸奶样品中筛选获得一株干酪乳酪杆菌LC15,其具有较强的免疫调节能力,能有效促进RAW264.7细胞增殖、提升RAW264.7细胞吞噬指数、促进包括TNF-α、IL-10在内的RAW264.7细胞因子产生,同时该菌株LC15的抗菌谱较广,能够有效抑制金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌等病原菌,此外该菌株LC15对多种抗生素敏感,具有较高的安全性,可被制成抗菌剂或免疫调节药物。
保藏编号:CCTCC NO: M 20231115
分类命名:Lacticaseibacillus casei LC15
保藏日期:2023年06月27日
保藏单位:中国典型培养物保藏中心
保藏地址:中国、武汉、武汉大学。
附图说明
图1为本发明实验例6的干酪乳酪杆菌LC15对RAW264.7细胞增殖能力的影响。
具体实施方式
下面结合附图、具体实施例、实验例对本发明作进一步详细的描述,但本发明的实施方式不限于此,也并不以此限制本发明的保护范围。
生物材料的来源
一、本发明实验例4使用的金黄色葡萄球菌、大肠杆菌、沙门氏菌均购自广东省微生物菌种保藏中心。缓症链球菌为缓症链球菌菌株5013,该菌株已登录NCBI,其登录号为MT512114;肺炎克雷伯菌为肺炎克雷伯菌菌株587,该菌株已登录NCBI,其登录号为MT573143。菌株5013和菌株587目前由申请人实验室保存,申请人承诺自本发明申请日起20年内向公众发放用于验证本发明的技术效果。
二、本发明实验例5-7使用的RAW264.7细胞购自中国典型培养物保藏中心。
第1组实施例、本发明的干酪乳酪杆菌LC15
本组实施例提供一种具有免疫调节功能的干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15。本组所有的实施例都具备如下共同特征:所述干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15的保藏编号为CCTCC NO: M 20231115。
任何培养、扩繁、发酵、富集、生产、制备、使用、接种、扩增、转化、修饰、改造、销售、许诺销售保藏编号为CCTCC NO: M 20231115的一株干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15的行为,和/或,将保藏编号为CCTCC NO: M 20231115的一株干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15与其他益生菌联用的行为,和/或,用保藏编号为CCTCC NO: M 20231115的一株干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15对幽门螺杆菌的拮抗作用、制备拮抗幽门螺杆菌产品、和/或制备免疫调节产品均落在本发明的保护范围。
所述其他益生菌包括但不限于:植物乳杆菌、嗜酸乳杆菌、鼠李糖乳杆菌、德氏乳杆菌保加利亚亚种、德氏乳杆菌乳酸亚种、瑞士乳杆菌、干酪乳杆菌、卷曲乳杆菌、发酵乳杆菌、格氏乳杆菌、约氏乳杆菌、副干酪乳杆菌、鼠李糖乳杆菌、唾液乳杆菌、酿酒酵母属、德尔布有孢圆酵母属、假丝酵母属、威克汉姆酵母属、毕赤酵母属、布拉氏酵母属、白球拟酵母属、薛瓦酵母属、深红酵母属、粟酒裂殖酵母属、鲍氏酵母属、苏云金芽孢杆菌、侧孢短芽孢杆菌、巨大芽孢杆菌、胶质芽孢杆菌、固氮芽孢杆菌、球形芽孢杆菌、丁酸梭状芽孢杆菌、青春双歧杆菌、角双歧杆菌、动物双歧杆菌、星状双歧杆菌、两歧双歧杆菌、牛双歧杆菌、短双歧杆菌、齿双歧杆菌、婴儿双歧杆菌(即,长双歧杆菌婴儿亚种)、乳双歧杆菌(即,动物双歧乳脂亚种)、长双歧杆菌、假小链双歧杆菌以及嗜热双歧杆菌和嗜酸热双歧杆菌。
本领域技术人员可根据实际生产需要,结合药品领域生产工艺的常规技术手段或基本常识(例如,《制剂技术百科全书》、《药物制剂技术》等),对药用辅料进行常规选择或调整,进而将保藏编号为CCTCC NO: M 20231115的一株干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15制成不同剂型、不同存储条件、不同保质期的产品,这对于本领域技术人员而言无技术障碍,是可以并容易做到的。
第2组实施例、本发明的干酪乳酪杆菌LC15的用途
本组实施例提供保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15在制备免疫调节药物和/或制备抗菌剂和/或体外抑菌方面的用途。
在具体的实施例中,所述免疫调节药物以干酪乳酪杆菌LC15为药效活性成分;
优选地,所述抗菌剂的抗菌谱包括:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌;
优选地,所述体外抑菌指:将干酪乳酪杆菌LC15与病原菌进行体外共培养。
在一些实施例中,所述病原菌选自:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌;
优选地,所述免疫调节选自:促进RAW264.7细胞增殖、提升RAW264.7细胞吞噬指数、促进RAW264.7细胞因子产生;
优选地,所述细胞因子包括:TNF-α、IL-10。
第3组实施例、本发明免疫调节药物
本组实施例提供一种免疫调节药物。本组所有实施例都具备如下共同特征:所述一种免疫调节药物包括药效活性成分,所述药效活性成分包括:保藏编号为CCTCC NO: M20231115的干酪乳酪杆菌LC15。
在进一步的实施例中,所述的一种免疫调节药物还包括:药学上可接受的辅料。
在更具体的实施例中,所述药学上可接受的辅料选自:溶剂、抛射剂、增溶剂、助溶剂、乳化剂、着色剂、黏合剂、崩解剂、填充剂、润滑剂、润湿剂、渗透压调节剂、稳定剂、助流剂、矫味剂、防腐剂、助悬剂、包衣材料、芳香剂、抗黏合剂、整合剂、渗透促进剂、pH值调节剂、缓冲剂、增塑剂、表面活性剂、发泡剂、消泡剂、增稠剂、包合剂、保湿剂、吸收剂、稀释剂、絮凝剂、反絮凝剂、助滤剂、释放阻滞剂等。
根据本发明的内容,出于实际生产应用中的不同需求,再结合药物制备领域的常规技术手段(例如,《制剂技术百科全书》、《药物制剂技术》、《微生物菌剂技术研究与应用》等),本领域技术人员可对上述辅料进行选择和调配,并将保藏编号为CCTCC NO: M20231115的干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15制成不同的剂型,例如粉剂、片剂、注射剂、口服液、栓剂、凝胶剂、敷贴剂、喷雾剂、洗剂、颗粒剂等。
在具体的实施例中,所述产品的剂型选自:粉剂、片剂、液体剂、胶囊剂中的一种或一种以上。
第4组实施例、本发明的抗菌剂
本组实施例提供一种抗菌剂。本组所有实施例都具备如下共同特征:所述一种抗菌剂包括活性成分,所述活性成分包括:保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15。
在进一步的实施例中,所述的一种抗菌剂还包括:辅料;
在更具体的实施例中,所述辅料选自:溶剂、抛射剂、增溶剂、助溶剂、乳化剂、着色剂、黏合剂、崩解剂、填充剂、润滑剂、润湿剂、渗透压调节剂、稳定剂、助流剂、矫味剂、防腐剂、助悬剂、包衣材料、芳香剂、抗黏合剂、整合剂、渗透促进剂、pH值调节剂、缓冲剂、增塑剂、表面活性剂、发泡剂、消泡剂、增稠剂、包合剂、保湿剂、吸收剂、稀释剂、絮凝剂、反絮凝剂、助滤剂、释放阻滞剂等。
根据本发明的内容,出于实际生产应用中的不同需求,再结合药物制备领域的常规技术手段(例如,《制剂技术百科全书》、《药物制剂技术》、《微生物菌剂技术研究与应用》等),本领域技术人员可对上述辅料进行选择和调配,并将保藏编号为CCTCC NO: M20231115的干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15制成不同的剂型,例如粉剂、片剂、注射剂、口服液、栓剂、凝胶剂、敷贴剂、喷雾剂、洗剂、颗粒剂等。
在具体的实施例中,所述产品的剂型选自:粉剂、片剂、液体剂、胶囊剂中的一种或一种以上。
优选地,所述抗菌剂的抗菌谱包括:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌。
第5组实施例、本发明的体外抑菌方法
本组实施例提供一种体外抑菌方法。本组所有实施例都具备如下共同特征:采用保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15抑菌。
在具体的实施例中,将所述干酪乳酪杆菌LC15与病原菌进行体外共培养;
优选地,所述病原菌选自:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌。
本发明下述实验例中使用的培养基:
MRS固体培养基:蛋白胨10g、牛肉膏10g、酵母膏5g、柠檬酸氢二铵2g、葡萄糖20g、吐温80 1mL、乙酸钠5g、磷酸氢二钾2g、硫酸镁0.58g、硫酸锰0.25g、琼脂15g、蒸馏水1000mL,121℃灭菌20min,调节pH 6.8。
MRS液体培养基:蛋白胨10g、牛肉膏10g、酵母膏5g、柠檬酸氢二铵2g、葡萄糖20g、吐温80 1mL、乙酸钠5g、磷酸氢二钾2g、硫酸镁0.58g、硫酸锰0.25g、蒸馏水1000mL,121℃灭菌20min,调节pH 6.8。
LBS培养基:酵母浸粉5.0g、胰蛋白胨10.0g、磷酸二氢钾6.0g、硫酸亚铁0.034g、硫酸镁0.575g、葡萄糖20.0g、乙酸钠25.0g、柠檬酸铵2.0g、硫酸锰0.12g、调pH值5.5后,添加吐温-80 1mL、冰乙酸1.3mL,加热搅拌溶解于1000mL蒸馏水中,118℃高压灭菌15min。固体培养基添加琼脂15.0g。
改良MRS固体培养基:将MRS固体培养基中葡萄糖浓度改为蔗糖60g/L。
LB培养基、BHI培养基均为商业培养基。
如无特殊说明,本发明实验例和实验例中使用的各类试剂耗材均可商购获得,相关实验步骤均为本领域常见操作,具有本领域技术人员可常规理解的技术含义。
实验例1、菌株分离筛选
将采集的内蒙古农家自制酸奶置于无菌取样管中冰盒运输,在无菌条件下用0.85%生理盐水梯度稀释,选取合适稀释梯度在LBS琼脂平板上涂布,37℃培养48-72小时。通过肉眼观察其菌落形态挑取疑似单菌落,对其镜检观察并进行初步筛选和纯化培养。纯化后使用MRS液体厌氧管37℃培养8-12小时,离心去上清后重悬于无菌30%甘油水溶液中,保存于武汉微康益生菌研究院菌种库。
实验例2、菌株鉴定
对筛选的目的菌株液体扩培,收集菌体,提取基因组DNA,采用中国发明专利ZL202210478937.4第58段记载的通用引物27F和1492R扩增其16SrDNA片段,用琼脂糖凝胶电泳检测PCR扩增产物,并对PCR产物进行测序。其中PCR反应体系:10×buffer10μL,10mMdNTP2μL,上下引物各1μL,DNA模板2μL,Taq酶0.5μL,ddH2O34μL。95℃预变性10min;然后94℃30s、60℃30s、72℃1min共35个循环,结束后72℃延伸5min。将PCR产物通过凝胶电泳检测后送往武汉金开瑞生物工程有限公司测序。将鉴定的基因序列用BLAST工具在NCBI数据库中进行比对,根据分子生物学鉴定结果,菌株的拉丁文名称为Lacticaseibacillus casei LC15,确定该菌株为干酪乳酪杆菌。将该菌株命名为LC15,并送保藏,其保藏信息如下:
保藏编号:CCTCC NO: M20231115
分类命名:Lacticaseibacillus casei LC15
保藏日期:2023年06月27日
保藏单位:中国典型培养物保藏中心
保藏地址:中国、武汉、武汉大学。
实验例3、干酪乳酪杆菌LC15的耐酸、耐胆盐能力
(1)模拟人工胃液制备:配制0.5% NaCl溶液,加入0.3%胃蛋白酶,用1mol/L HCl调节pH值至2.5,然后充分溶解后用0.22μm微孔滤膜过滤除菌备用。
(2)模拟人工胆盐液制备:胆盐0.3%、巯基乙酸钠0.2%、MRS液体培养基,pH6.0~6.2,115℃,15min灭菌。
(3)耐受能力测试:将活化后的干酪乳酪杆菌LC15菌液离心,弃上清,收集菌体,调整菌液浓度是108CFU/mL。取1mL菌体悬液离心,收集菌体后,分别接入1mL配制好的pH2.5的模拟人工胃液和0.3%的模拟人工胆盐液中混匀,37℃条件下消化,同时分别取0h和3h的消化液检测活菌数,计算存活率,结果见表1。其中,菌株存活率(%)=Nt/N0×100%,式中N0表示菌株0h的活菌数lg(CFU/mL),Nt表示菌株3h的活菌数lg(CFU/mL)。
表1. 干酪乳酪杆菌LC15耐酸、耐胆盐实验数据表
上述表1结果表明,干酪乳酪杆菌LC15在pH2.5人工胃液中存活率98.92%,在0.3%人工胆盐液中存活率为87.01%,这说明干酪乳酪杆菌LC15具有较强的胃肠道耐受能力。
实验例4、干酪乳酪杆菌LC15对病原菌的抑制能力
(1)指示菌悬液的制备:
将大肠杆菌、沙门氏菌和金黄色葡萄球菌分别在LB平板培养基上活化,37℃培养24h,挑取菌苔至生理盐水制备菌悬液,调整菌液浓度至108CFU/mL。
将缓症链球菌、肺炎克雷伯氏菌分别在含5%脱纤维羊血的BHI平板培养基上活化,37℃培养24h,挑取菌苔至生理盐水制备菌悬液,调整菌液浓度至108CFU/mL。
(2)菌株发酵液制备:将干酪乳酪杆菌LC15按1%(v/v)接种至MRS液体培养基中,37℃培养12h。
抑菌实验:
(1)将含有1.5%琼脂的MRS肉汤培养基冷却至55℃左右,与大肠杆菌、沙门氏菌、金黄色葡萄球菌菌悬液按一定比例混匀,使指示菌的活菌数在106CFU/mL数量级,然后迅速倾注于预先放置牛津杯的平板中,待培养基冷却凝固后,取出牛津杯,于每孔注入200μL菌株发酵液(活菌数为108CFU/mL数量级),37℃过夜培养后,测量抑菌圈直径。
(2)将含有1.5%琼脂的改良MRS肉汤培养基冷却至55℃左右,与缓症链球菌、肺炎克雷伯氏菌菌悬液按一定比例混匀,使指示菌的活菌数在106CFU/mL数量级,然后迅速倾注于预先放置牛津杯的平板中,待培养基冷却凝固后,取出牛津杯,于每孔注入200μL菌株发酵液(活菌数为108CFU/mL数量级),37℃过夜培养后,测量抑菌圈直径。
表2. 干酪乳酪杆菌LC15对病原菌的抑制作用
结果如表2所示,干酪乳酪杆菌LC15对金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌均具有较强的抑制作用。
实验例5、干酪乳酪杆菌LC15对RAW264.7细胞增殖能力的影响
RAW264.7细胞以1×105个/mL密度接种于96孔细胞培养板中(每孔100μL),培养24小时,细胞贴壁后加入有菌的DMEM细胞培养液替换原培养液。实验设空白组(DMEM培养液)、益生菌组(活菌好的菌液用PBS洗两次后,用DMEM重悬),每组设5个重复。37℃,5% CO2培养箱中培养24h。培养结束后,吸去旧的培养基,每孔加入100μL含10%CCK-8的DMEM培养基,避光,放入CO2培养箱中继续培养2h;在450nm下检测各孔OD值,按下面的公式计算细胞相对增殖率。
细胞相对增殖率% = 实验组OD值/空白组OD值×100%
实验结果如图1所示,干酪乳酪杆菌LC15能够促进RAW264.7细胞的增殖,其效果优于对照菌株LGG。
实验例6、干酪乳酪杆菌LC15对RAW264.7细胞吞噬能力的影响
RAW264.7细胞以1×105个/mL密度接种于96孔细胞培养板中(每孔100μL),细胞贴壁后,弃掉原培养基,加入含有药品的DMEM细胞培养液。实验分组同实验例5,每组设5个重复。37℃,5% CO2培养箱中培养24h;弃去孔内的上清培养液,然后避光条件下,加入0.1%的中性红-PBS溶液,置于37℃,5% CO2培养箱中孵育1h;孵育结束后,弃去上清液,室温下PBS洗三遍。然后向各孔中加入裂解液(乙酸:无水乙醇=1:1)避光静置,待细胞完全裂解之后,使用酶标仪在540nm波长处测定各孔的吸光度值。
细胞吞噬指数 = 实验组OD值/空白组OD
表3. 干酪乳酪杆菌LC15对RAW264.7细胞的吞噬能力结果
菌株编号 | 细胞吞噬指数 |
干酪乳酪杆菌LC15 | 2.0 |
巨噬细胞可以通过吞噬作用检测和清除入侵的病原体和凋亡细胞,吞噬作用在先天免疫和炎症控制中起着至关重要的作用。如表3所示,干酪乳酪杆菌LC15可以通过触发巨噬细胞的吞噬活性来刺激免疫细胞的活化。
实验例7、干酪乳酪杆菌LC15对RAW264.7细胞分泌细胞因子(TNF-α、IL-10)的影响
将RAW264.7细胞浓度调整为1×106cell/mL ,每孔0.5mL接种于24孔板,培养24h。实验分为空白组和益生菌组,空白组:吸出上清,用PBS洗2次,在板孔中只加入0.5mL DMEM培养基,不做其他任何处理,放置于 37℃和 5% CO2培养箱中培养24h;益生菌组:吸出上清,用PBS洗2次,在孔板中加入0.5mL菌悬液(二代培养好的干酪乳酪杆菌用PBS洗两次后,用DMEM重悬,按照菌量:细胞量10:1的比例进行稀释),培养24h。培养结束后,取出上清液,然后1000rpm,离心5min,用试剂盒测定上清中TNF-α、IL-10的含量。
表4. 免疫调节因子检测实验结果
评估干酪乳酪杆菌LC15对RAW264.7细胞分泌细胞因子(TNF-α、IL-10)的影响,实验结果如表4所示,干酪乳酪杆菌LC15能够促进细胞因子TNF-α(促炎因子)、IL-10(抗炎因子)的产生。促炎因子、抗炎因子作为免疫应答参数,在控制宿主的炎症状态和免疫反应中也起着关键作用。
实验例8、干酪乳酪杆菌LC15对抗生素敏感性试验
将干酪乳酪杆菌LC15在MRS固体平板上划线活化后,挑取菌苔至生理盐水中制备菌悬液,调整菌悬液浓度为108CFU/mL,取100μL菌悬液,用无菌棉签均匀涂布于MRS固体平板上,将抗生素药敏试纸片有序置于平板表面,置于厌氧条件下,37℃培养24-36h后,用游标卡尺测量抑菌圈直径。根据美国临床和实验标准协会CLSI的评价标准,判断抗生素对干酪乳酪杆菌LC15的耐药性,结果见表5。
表5. 干酪乳酪杆菌LC15对15种常见抗生素的敏感性试验结果
注:S,敏感;I,中介;R,耐药
结果显示,干酪乳酪杆菌LC15对上述15种抗生素均敏感,说明该菌株是具有开发应用潜力的安全益生菌。
Claims (10)
1.一种具有免疫调节功能的干酪乳酪杆菌(Lacticaseibacillus casei)菌株LC15,其特征在于,其保藏编号为CCTCC NO: M 20231115。
2.保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15在制备免疫调节药物和/或制备抗菌剂和/或体外抑菌方面的用途。
3.根据权利要求2所述的保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15在制备免疫调节药物和/或制备抗菌剂和/或体外抑菌方面的用途,其特征在于,所述免疫调节药物以干酪乳酪杆菌LC15为药效活性成分;
和/或,所述抗菌剂的抗菌谱包括:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌;
和/或,所述体外抑菌指:将干酪乳酪杆菌LC15与病原菌进行体外共培养。
4.根据权利要求3所述的保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15在制备免疫调节药物和/或制备抗菌剂和/或体外抑菌方面的用途,其特征在于,所述病原菌选自:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌;
和/或,所述免疫调节选自:促进RAW264.7细胞增殖、提升RAW264.7细胞吞噬指数、促进RAW264.7细胞因子产生;
和/或,所述细胞因子包括:TNF-α、IL-10。
5.一种免疫调节药物,包括药效活性成分,其特征在于,所述药效活性成分包括:保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15。
6.根据权利要求5所述的一种免疫调节药物,其特征在于,还包括:药学上可接受的辅料。
7.一种抗菌剂,包括活性成分,其特征在于,所述活性成分包括:保藏编号为CCTCC NO:M 20231115的干酪乳酪杆菌LC15。
8.根据权利要求7所述的一种抗菌剂,其特征在于,还包括:辅料;
和/或,所述抗菌剂的抗菌谱包括:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌。
9.一种体外抑菌方法,其特征在于,采用保藏编号为CCTCC NO: M 20231115的干酪乳酪杆菌LC15抑菌。
10.根据权利要求9所述的一种体外抑菌方法,其特征在于,将所述干酪乳酪杆菌LC15与病原菌进行体外共培养;
和/或,所述病原菌选自:金黄色葡萄球菌、大肠杆菌、沙门氏菌、缓症链球菌、肺炎克雷伯氏菌。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311007143.0A CN116731936B (zh) | 2023-08-11 | 2023-08-11 | 一种具有免疫调节功能的干酪乳酪杆菌lc15及其用途、产品与方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311007143.0A CN116731936B (zh) | 2023-08-11 | 2023-08-11 | 一种具有免疫调节功能的干酪乳酪杆菌lc15及其用途、产品与方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN116731936A true CN116731936A (zh) | 2023-09-12 |
CN116731936B CN116731936B (zh) | 2023-11-14 |
Family
ID=87915362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311007143.0A Active CN116731936B (zh) | 2023-08-11 | 2023-08-11 | 一种具有免疫调节功能的干酪乳酪杆菌lc15及其用途、产品与方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116731936B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117511810A (zh) * | 2023-11-22 | 2024-02-06 | 哈药集团生物工程有限公司 | 一种增强免疫调节功能的短双歧杆菌hy002及其用途、产品与方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106399162A (zh) * | 2016-09-08 | 2017-02-15 | 济南康多宝生物技术有限公司 | 一种新型干酪乳杆菌及其应用 |
CN110144304A (zh) * | 2019-03-24 | 2019-08-20 | 广西大学 | 干酪乳杆菌菌株及其应用 |
CN113969250A (zh) * | 2021-11-22 | 2022-01-25 | 山东渤海实业集团有限公司 | 干酪乳杆菌dy13及其产品和应用 |
CN114350555A (zh) * | 2021-12-29 | 2022-04-15 | 广东南芯医疗科技有限公司 | 副干酪乳杆菌Lp.R3及其在制备提高免疫力药物中的应用 |
WO2022100125A1 (zh) * | 2020-11-16 | 2022-05-19 | 内蒙古伊利实业集团股份有限公司 | 副干酪乳杆菌et-22在抗衰老、提高先天免疫方面的新应用 |
CN115851535A (zh) * | 2022-12-10 | 2023-03-28 | 万益生物科技(山东)有限公司 | 具有调节免疫力作用的鼠李糖乳酪杆菌wfp52及应用 |
CN116172203A (zh) * | 2022-08-22 | 2023-05-30 | 湖南农业大学 | 一种干酪乳杆菌及其制剂的制备方法 |
KR20230086639A (ko) * | 2021-12-08 | 2023-06-15 | 한국식품연구원 | 항염증 효과가 뛰어난 신규한 락토바실러스 파라카제이 아종 톨러란스 WiKim0148 및 이의 용도 |
-
2023
- 2023-08-11 CN CN202311007143.0A patent/CN116731936B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106399162A (zh) * | 2016-09-08 | 2017-02-15 | 济南康多宝生物技术有限公司 | 一种新型干酪乳杆菌及其应用 |
CN110144304A (zh) * | 2019-03-24 | 2019-08-20 | 广西大学 | 干酪乳杆菌菌株及其应用 |
WO2022100125A1 (zh) * | 2020-11-16 | 2022-05-19 | 内蒙古伊利实业集团股份有限公司 | 副干酪乳杆菌et-22在抗衰老、提高先天免疫方面的新应用 |
CN113969250A (zh) * | 2021-11-22 | 2022-01-25 | 山东渤海实业集团有限公司 | 干酪乳杆菌dy13及其产品和应用 |
KR20230086639A (ko) * | 2021-12-08 | 2023-06-15 | 한국식품연구원 | 항염증 효과가 뛰어난 신규한 락토바실러스 파라카제이 아종 톨러란스 WiKim0148 및 이의 용도 |
CN114350555A (zh) * | 2021-12-29 | 2022-04-15 | 广东南芯医疗科技有限公司 | 副干酪乳杆菌Lp.R3及其在制备提高免疫力药物中的应用 |
CN116172203A (zh) * | 2022-08-22 | 2023-05-30 | 湖南农业大学 | 一种干酪乳杆菌及其制剂的制备方法 |
CN115851535A (zh) * | 2022-12-10 | 2023-03-28 | 万益生物科技(山东)有限公司 | 具有调节免疫力作用的鼠李糖乳酪杆菌wfp52及应用 |
Non-Patent Citations (1)
Title |
---|
LINLIN TIAN ET AL: "Preventive of Lacticaseibacillus casei WLCA02 against Salmonella Typhimurium infection via strengthening the intestinal barrier and activating the macrophages", JOURNAL OF FUNCTIONAL FOODS, vol. 104, pages 1 - 13 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117511810A (zh) * | 2023-11-22 | 2024-02-06 | 哈药集团生物工程有限公司 | 一种增强免疫调节功能的短双歧杆菌hy002及其用途、产品与方法 |
CN117511810B (zh) * | 2023-11-22 | 2024-04-19 | 哈药集团生物工程有限公司 | 一种增强免疫调节功能的短双歧杆菌hy002及其用途、产品与方法 |
Also Published As
Publication number | Publication date |
---|---|
CN116731936B (zh) | 2023-11-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11225641B2 (en) | Probiotic Bifidobacterium strain | |
CN114317320B (zh) | 一种短双歧杆菌207-1及其应用 | |
CN111944725B (zh) | 一种副干酪乳杆菌207-27及其应用 | |
CN113088465B (zh) | 一种乳双歧杆菌Bifidobacterium lactis菌株J605及其应用 | |
CN116731936B (zh) | 一种具有免疫调节功能的干酪乳酪杆菌lc15及其用途、产品与方法 | |
CN116103201B (zh) | 一种植物乳植杆菌lp10及其在产胞外多糖和/或抗氧化方面的应用、产品和方法 | |
CN114774315B (zh) | 鼠李糖乳杆菌菌株LRa05在制备增强免疫力制品和/或缓解湿疹制品方面的用途 | |
CN117448243B (zh) | 一株具有益生功能且能增强免疫的嗜粘蛋白阿克曼氏菌Akk007及其应用与保健品 | |
CN117159598B (zh) | 植物乳植杆菌Lp18在制备增强免疫的药物或保健食品方面的用途及产品 | |
CN114990030A (zh) | 嗜酸乳杆菌la18及其在制备调节肠道菌群或免疫调节的产品方面的应用 | |
CN117511809B (zh) | 一种抗幽门螺杆菌的干酪乳酪杆菌hy001及其用途、产品和方法 | |
CN118028142A (zh) | 一株具有与幽门螺杆菌共聚集能力的罗伊氏粘液乳杆菌及其应用 | |
CN116333945B (zh) | 一种抗幽门螺杆菌的鼠李糖乳酪杆菌puk09及其应用、产品及方法 | |
CN117917475A (zh) | 一种调节肠道菌群的植物乳植杆菌p16及其应用、产品和方法 | |
KR102323673B1 (ko) | HtrA 샤페론 프로바이오틱스의 제조방법 및 이를 통해 제조된 장 마이크로바이옴 조절 효능이 있는 염증성 장질환 치료용 조성물 | |
CN117511810B (zh) | 一种增强免疫调节功能的短双歧杆菌hy002及其用途、产品与方法 | |
CN117106628B (zh) | 一种具有免疫调节能力的嗜酸乳杆菌la15及其应用、产品与方法 | |
CN117165497B (zh) | 一种改善便秘的植物乳植杆菌Lp18及其应用和产品 | |
CN116121155B (zh) | 一株鼠李糖乳酪杆菌LRa09及其应用与产品 | |
CN117683696B (zh) | 一种预防龋齿、缓解牙周炎的唾液联合乳杆菌ls61及其制药用途、药物和制备方法 | |
CN117106636A (zh) | 一种抗幽门螺杆菌的短双歧杆菌BBr19及其应用、产品与方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |