This is in HEPES. 10mg/mL concentration in 25 mM Hepes
I9278
Insulin solution human
sterile-filtered, BioXtra, suitable for cell culture
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This Item | I3536 | 91077C | 11376497001 |
|---|---|---|---|
| biological source Saccharomyces cerevisiae | biological source Saccharomyces cerevisiae | biological source - | biological source - |
| product line BioXtra | product line - | product line - | product line - |
| Quality Level 400 | Quality Level 200 | Quality Level 300 | Quality Level 100 |
| concentration 9.5-11.5 mg/mL | concentration - | concentration - | concentration - |
| technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable |
| form solution | form lyophilized powder | form dry powder | form lyophilized (clear, colorless solution after reconstitution) |
General description
Insulin is a two-chain polypeptide hormone produced by the β-cells of pancreatic islets. Its molecular weight is ~5800 Da. The α and β chains are joined by two interchain disulfide bonds. The α chain contains an intrachain disulfide bond.
Application
Insulin solution human has been used as a supplement in Dulbecco′s modified eagle′s medium (DMEM) to culture epithelial cell line and human endometrial cell line, minimum essential medium eagle to culture human breast adenocarcinoma cell line and medium 199 to culture normal ovarian cell line.
Insulin solution human is recommended for use in cell culture applications at 0.5 to 1mL per liter of medium.
Insulin solution human has been used for insulin tolerance test in mice and rats.[1][2] It has also been used for adipogenic differentiation of human embryonic stem cells (hESCs)-derived outgrowth cultures and hMSCs (human mesenchymal stromal cells).[3][4]
Insulin solution human has been used for insulin tolerance test in mice and rats.[1][2] It has also been used for adipogenic differentiation of human embryonic stem cells (hESCs)-derived outgrowth cultures and hMSCs (human mesenchymal stromal cells).[3][4]
Biochem/physiol Actions
Insulin plays a role in various cellular processes, such as promoting cell growth, regulating the cell cycle, and facilitating glucose uptake. It is commonly used as a protein supplement in serum-free mammalian cell culture media to help promote the optimal growth and maintenance of mammalian cells.
Physical form
stable 2-8 °C
Other Notes
InChI: 1S/C257H383N65O77S6/c1-29-131(23)205(313-193(339)104-259)252(393)317-204(130(21)22)248(389)288-159(75-82-200(349)350)217(358)282-156(71-78-189(263)335)221(362)308-183-116-403-404-117-184-243(384)305-178(111-324)240(381)294-162(88-123(7)8)225(366)295-168(95-140-53-61-146(329)62-54-140)228(369)283-154(69-76-187(261)333)218(359)290-161(87-122(5)6)223(364)285-158(74-81-199(347)348)220(361)302-174(101-190(264)336)235(376)298-170(97-142-57-65-148(331)66-58-142)231(372)309-182(242(383)304-176(255(396)397)103-192(266)338)115-402-401-114-181(214(355)273-107-194(340)278-153(72-79-197(343)344)216(357)281-151(51-42-84-271-257(267)268)212(353)272-108-195(341)279-166(93-138-46-36-32-37-47-138)227(368)297-167(94-139-48-38-33-39-49-139)230(371)299-171(98-143-59-67-149(332)68-60-143)238(379)320-208(135(27)327)254(395)322-85-43-52-186(322)246(387)286-152(50-40-41-83-258)222(363)321-209(136(28)328)256(398)399)311-250(391)203(129(19)20)316-236(377)164(90-125(11)12)292-229(370)169(96-141-55-63-147(330)64-56-141)296-224(365)160(86-121(3)4)289-210(351)133(25)277-215(356)157(73-80-198(345)346)287-247(388)202(128(17)18)315-237(378)165(91-126(13)14)293-233(374)173(100-145-106-270-120-276-145)301-239(380)177(110-323)280-196(342)109-274-213(354)180(113-400-405-118-185(310-244(183)385)245(386)319-207(134(26)326)253(394)306-179(112-325)241(382)318-206(132(24)30-2)251(392)312-184)307-226(367)163(89-124(9)10)291-232(373)172(99-144-105-269-119-275-144)300-219(360)155(70-77-188(262)334)284-234(375)175(102-191(265)337)303-249(390)201(127(15)16)314-211(352)150(260)92-137-44-34-31-35-45-137/h31-39,44-49,53-68,105-106,119-136,150-186,201-209,323-332H,29-30,40-43,50-52,69-104,107-118,258-260H2,1-28H3,(H2,261,333)(H2,262,334)(H2,263,335)(H2,264,336)(H2,265,337)(H2,266,338)(H,269,275)(H,270,276)(H,272,353)(H,273,355)(H,274,354)(H,277,356)(H,278,340)(H,279,341)(H,280,342)(H,281,357)(H,282,358)(H,283,369)(H,284,375)(H,285,364)(H,286,387)(H,287,388)(H,288,389)(H,289,351)(H,290,359)(H,291,373)(H,292,370)(H,293,374)(H,294,381)(H,295,366)(H,296,365)(H,297,368)(H,298,376)(H,299,371)(H,300,360)(H,301,380)(H,302,361)(H,303,390)(H,304,383)(H,305,384)(H,306,394)(H,307,367)(H,308,362)(H,309,372)(H,310,385)(H,311,391)(H,312,392)(H,313,339)(H,314,352)(H,315,378)(H,316,377)(H,317,393)(H,318,382)(H,319,386)(H,320,379)(H,321,363)(H,343,344)(H,345,346)(H,347,348)(H,349,350)(H,396,397)(H,398,399)(H4,267,268,271)/t131-,132-,133-,134+,135+,136+,150-,151-,152-,153-,154-,155-,156-,157-,158-,159-,160-,161-,162-,163-,164-,165-,166-,167-,168-,169-,170-,171-,172-,173-,174-,175-,176-,177-,178-,179-,180-,181-,182-,183-,184-,185-,186-,201-,202-,203-,204-,205-,206-,207-,208-,209-/m0/s1
related product
Product No.
Description
Pricing
Storage Class Code
12 - Non Combustible Liquids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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E Comisso et al.
Oncogene, 36(30), 4253-4266 (2017-03-21)
OCT4 (Octamer-binding transcription factor 4) is essential for embryonic stem cell self-renewal. Here we show that OCT4 increases the aggressiveness of high-grade serous ovarian cancer (HG-SOC) by inactivating the Retinoblastoma tumor suppressor pathway and enhancing mitotic stability in cancer cells.
Farinaz Ghodrati et al.
Scientific reports, 8(1), 8654-8654 (2018-06-07)
At times, it can be difficult to discern if a lack of overlap in reported interactions for a protein-of-interest reflects differences in methodology or biology. In such instances, systematic analyses of protein-protein networks across diverse paradigms can provide valuable insights.
Early cardiac changes in a rat model of prediabetes: brain natriuretic peptide overexpression seems to be the best marker.
Nunes S, et al.
Cardiovascular Diabetology, 12, 44-44 (2013)
Genetic stability of bone marrow-derived human mesenchymal stromal cells in the Quantum System.
Jones M et al.
Cytotherapy, 15, 1323-1323 (2013)
Hui-Yu Liu et al.
The Journal of biological chemistry, 284(40), 27090-27100 (2009-08-06)
Subjects with type 1 diabetes mellitus (T1DM) eventually develop insulin resistance and other features of T2DM such as cardiovascular disorders. The exact mechanism has been not been completely understood. In this study, we tested the hypothesis that excessive or inappropriate
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In which solution was insulin dissolved?
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Helpful?
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What's the half-life of this insulin within the media at 37C?
1 answer-
Unfortunately, the half-life of this insulin within the media at 37 °C has not been tested.
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For how long this can be stored @ RT?
1 answer-
This item is stored refrigerated at 2-8°C. However, the product is shipped at ambient temperature. Shipping routes are configured to minimize transit time.
Refrigerated products that ship at ambient temperature are considered stable up to 2 weeks for transit time.Helpful?
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Can I aliquot the insulin and freeze it? Is it still functional after thawing?
1 answer-
This product is recommended to be stored at 2-8°C. For research applications, freezing insulin solution is a common practice. However, solutions available on the commercial market for therapeutic use are not frozen to maintain maximum activity. No stability studies have been performed on the shelf life of frozen insulin solutions.
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What is the concentration of this solution in (Units/mL) i.e. if my stock is at a concentration of 11.1 mg/mL, what is that in Units/mL?
1 answer-
The specification for the product does not include units of potency.
However, the potency is typically about 28 -29 IU/mg.Helpful?
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What is the source of this insulin and is the solutuion expected to also contain proinsulin?
1 answer-
This product is a biosynthetic product, produced by recombinant expression in yeast (Saccharomyces cerevisiae), with a synthetic gene insert encoding human insulin precursor. The proinsulin content is not among the testing specifications for this product.
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How is this insulin produced? In E.Coli? Yeast?...?
1 answer-
This product is prepared from recombinant human insulin produced in Saccharomyces cerevisiae.
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Is this product suitable for insulin tolerance tests in mice
1 answer-
This item has not been specifically tested for suitability in insulin tolerance. However, the product has been used successfully in a number of published papers. Please see the link below to review one such article:
https://pmc.ncbi.nlm.nih.gov/articles/PMC2785638/Helpful?
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How long does the insulin remain potent for if stored in the fridge?
1 answer-
This product is assigned an expiration date of approximately 2 years from the date of Quality Release, when stored as directed at 2-8°C. The expiration date is lot specific and reported on the product label, as well as the Certificate of Analysis. Please see the link below to review a sample or lot specific Certificate:
https://www.sigmaaldrich.com/product/sigma/i9278#product-documentationHelpful?
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Is this insulin considered of fast or slow action?
1 answer-
This product is intended for research use only and is not a Therapeutic insulin. The research grade insulin products are not defined by the Therapeutic types. There are analytical standards available for each type. Please see the links below to review additional product options for research use:
Insulin Glargine - Slow acting Insulin
https://www.sigmaaldrich.com/search/insulin-glargine?focus=products&page=1&perpage=30&sort=relevance&term=insulin%20glargine&type=productAspart Insulin - Fast acting Insulin
https://www.sigmaaldrich.com/search/insulin-aspart?focus=products&page=1&perpage=30&sort=relevance&term=insulin%20aspart&type=productLispro Insulin - Fast acting Insulin
https://www.sigmaaldrich.com/search/insulin-lispro?focus=products&page=1&perpage=30&sort=relevance&term=insulin%20lispro&type=productHelpful?
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