Human HSP27 ELISA Kit (DEIA3602)

Regulatory status: For research use only, not for use in diagnostic procedures.

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cell lysates, plasma, serum, tissues
Species Reactivity
Intended Use
Human HSP27 ELISA Kit is a colorimetric immunometric enzyme immunoassay kit for the quantitative measurement of human Hsp27 in cell lysates, plasma, serum, and tissue.
Contents of Kit
1. Anti-Hsp27 Plate
2. 5x Hsp27 Extraction Reagent
3. Recombinant Hsp27 Standard
4. Sample Diluent,
5. 20X Wash Buffer
6. Anti-Hsp27
7. Antibody Diluent
8. HRP Conjugate
9. HRP Conjugate Diluent
10. TMB Substrate
11.Stop Solution 2
Store the unopened kit at 4°C upon receipt and when it is not in use. For more detailed information, please download the following document on our website.
0.39 ng/mL (range 0.39 - 25 ng/mL)


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Gene expression of Hsps in normal and abnormal embryonic development of mouse hindlimbs


Authors: Yan, Zhengli; Wei, Huimiao; Ren, Chuanlu; Yuan, Shishan; Fu, Hu; Lv, Yuan; Zhu, Yongfei; Zhang, Tianbao

Heat shock proteins (Hsps), which have important biological functions, are a class of highly conserved genetic molecules with the capacity of protecting and promoting cells to repair themselves from damage caused by various stimuli. Our previous studies found that Hsp25, HspB2, HspB3, HspB7, Hsp20, HspB9, HspB10, and Hsp40 may be related to all-trans retinoic acid (atRA)-induced phocomelic and other abnormalities, while HspA12B, HspA14, Trap1, and Hsp105 may be forelimb development-related genes; Grp78 may play an important role in forelimb development. In this study, the embryonic phocomelic, oligodactylic model of both forelimbs and hindlimbs was developed by atRA administered per os to the pregnant mice on gestational day 11, and the expression of 36 members of Hsps family in normal and abnormal development of embryonic hindlimbs was measured by real-time fluorescent quantitative polymerase chain reaction (qRT-PCR). It is found that HspA1L, Hsp22, Hsp10, Hsp60, Hsp47, HspB2, HspB10, HspA12A, Apg1, HspB4, Grp78, and HspB9 probably performs a major function in limb development, and HspA13, Grp94 and Hsp110 may be hindlimb development-related genes.

An interaction study in mammalian cells demonstrates weak binding of HSPB2 to BAG3, which is regulated by HSPB3 and abrogated by HSPB8


Authors: Morelli, Federica F.; Mediani, Laura; Heldens, Lonneke; Bertacchini, Jessika; Bigi, Ilaria; Carra, Arianna Dorotea; Vinet, Jonathan; Carra, Serena

The ten mammalian small heat shock proteins (sHSPs/HSPBs) show a different expression profile, although the majority of them are abundant in skeletal and cardiac muscles. HSPBs form hetero-oligomers and homo-oligomers by interacting together and complexes containing, e.g., HSPB2/HSPB3 or HSPB1/HSPB5 have been documented in mammalian cells and muscles. Moreover, HSPB8 associates with the Hsc70/Hsp70 co-chaperone BAG3, in mammalian, skeletal, and cardiac muscle cells. Interaction of HSPB8 with BAG3 regulates its stability and function. Weak association of HSPB5 and HSPB6 with BAG3 has been also reported upon overexpression in cells, supporting the idea that BAG3 might indirectly modulate the function of several HSPBs. However, it is yet unknown whether other HSPBs highly expressed in muscles such as HSPB2 and HSPB3 also bind to BAG3. Here, we report that in mammalian cells, upon overexpression, HSPB2 binds to BAG3 with an affinity weaker than HSPB8. HSPB2 competes with HSPB8 for binding to BAG3. In contrast, HSPB3 negatively regulates HSPB2 association with BAG3. In human myoblasts that express HSPB2, HSPB3, HSPB8, and BAG3, the latter interacts selectively with HSPB8. Combining these data, it supports the interpretation that HSPB8-BAG3 is the preferred interaction.

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