Research compendium

SHLP-2

SHLP-2 belongs to the small humanin-like peptide family, whose identification was linked to a mitochondrial DNA region. It has been studied in cellular metabolism and mitochondrial-damage models. Family membership does not make it humanin or establish properties shared by every member.

This is a research reference, not a product offered in the Asciende catalog. Published studies do not establish the identity, purity or availability of a commercial preparation.

Sequence origin and measured compartment

Do not turn a name’s origin into a localization or function claim. Preserve the specific evidence connecting sequence, detection and response.

Does the work distinguish a proposed sequence, detected peptide and synthesized material?
Which compartment or model supplies the signal being interpreted?
Is the functional readout compared with appropriate system controls?

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Mechanism described in the literature

In human ARPE-19 transmitochondrial cells in vitro, SHLP-2 was associated with changes in oxidative-phosphorylation components and viability. These integrated cellular readings do not alone identify a direct receptor or a complete causal chain.

Classification

Peptide derived from a mitochondrial-genome region

Other names

SHLP2
Small humanin-like peptide 2

A family requiring individual evaluation

Initial research compared several SHLPs and found different cellular profiles. The common name organizes a research family rather than replacing comparison. SHLP-2 evidence must remain distinct from SHLP-3 results despite their similar names.

What the transmitochondrial model contributes

The retinal study used human ARPE-19 cells in a transmitochondrial design related to macular degeneration. In vitro, SHLP-2 attenuated viability and mitochondrial-marker abnormalities. The model isolates mitochondrial differences in a defined cellular context, but represents neither a complete retina nor a vision measurement.

Respiratory proteins and function are different readings

Respiratory-subunit abundance, mitochondrial DNA copy number and survival are distinct variables. Reporting them separately avoids calling every change global mitochondrial recovery. Responses to added SHLP-2 also do not establish endogenous peptide quantities in tissue.

Questions and answers

Does the ARPE-19 study demonstrate changes in vision?

No. It evaluated cells and mitochondrial markers, not visual function in people.

Is SHLP-2 another name for humanin?

No. It is a distinct entity in a related research line.