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- Table of Contents
HAMP / Hepcidin · Western blot design guide
Design a Western Blot for HAMP
Real validated HAMP Western blot protocols, expected-band and isoform facts, troubleshooting for weak or shifted signal, and recommended anti-HAMP WB antibodies. Everything you need to plan the experiment before you commit precious samples.
Evidence assembled September 2026 · For research use; verify linked source records and product datasheet before use
HAMP Western Blot Experimental Design Guide
Expected bands, validated protocols, controls and antibodies — the at-a-glance facts below, then the full design guide.
Must know before running
| Expected band | ~9.4 kDa | |
| Gel | 15% (standard starting point) | |
| Negative control | Suggested KO / knockdown lysate |
Important caveats
Reasons your observed band may differ from the expected size.
| PTM | Cleaved | |
| Caveat | Precursor versus mature forms | |
| Gene-set association | MSigDB C7 membership | |
| Isoform | 1 isoform(s) |
Section 1
Real Curated HAMP Western Blot Protocols
The M01347 protocol combines labelled catalog values with standard starting conditions. Published comparisons retain their own sample, reagent and detection scope.
| Sample / lysate | Human Hepcidin Full-length Recombinant Protein (GFP Tagged) (catalog M01347) |
| Gel % | 15% (standard starting point) |
| Load | 20–30 µg total protein per lane; optimize for abundance (standard starting point) |
| Transfer | Short semi-dry transfer; verify retention (standard starting point) |
| Membrane | 0.2 µm PVDF (standard starting point) |
| Blocking | 5% milk or 5% BSA in TBST (standard starting point) |
| Primary antibody | M01347; use the WB datasheet starting dilution (standard starting point) |
| Primary incubation | Overnight at 4 °C (standard starting point) |
| Secondary antibody | Species-matched HRP conjugate at validated dilution (standard starting point) |
| Secondary incubation | 1 h at room temperature (standard starting point) |
| Wash | 3 × 5 min in TBST (standard starting point) |
| Detection | ECL; bracket exposures to avoid saturation (standard starting point) |
Section 2
What Is the Expected HAMP Western Blot Band Size?
Hepcidin’s full-length precursor is predicted at 9.4 kDa; secretion and cleavage may change what appears, but no migration pattern is demonstrated here.
| Band near 9.4 kDa | Compatible with the full-length precursor; confirm identity with controls. |
| Band below 9.4 kDa | Could reflect removal of the signal peptide at residues 1–24. |
| Smaller processed band | Could reflect removal of the propeptide at residues 25–54. |
| Little or no band in whole-cell lysate | Hepcidin is secreted. |
💡Expected HAMP appearanceThe 84-residue precursor has a predicted mass of 9.4 kDa; signal-peptide and propeptide cleavage may yield smaller bands, but no empirical migration is supplied, so confirm band identity with appropriate controls.
| Full-length precursor | Predicted mass is 9.4 kDa; migration has not been measured here. |
| Signal peptide at residues 1–24 | Its removal reduces the size of the precursor. |
| Propeptide at residues 25–54 | Its removal yields a smaller mature peptide. |
| Sequential signal-peptide and propeptide cleavage | The mature product is smaller than either the full-length precursor or the signal-cleaved intermediate. |
| Situation | Likely cause | Next action |
|---|---|---|
| No band in lysate | Hepcidin is secreted. | Check conditioned medium alongside lysate. |
| Band lower than expected | Signal-peptide or propeptide cleavage may produce a smaller form. | Compare precursor and processed samples with an antibody known to recognize each form. |
| Band higher than expected | An intact precursor may appear above a processed form. | Compare with a full-length precursor control and verify band identity. |
| Multiple bands | Precursor and processed forms may coexist. | Compare lysate and conditioned medium and verify antibody recognition of each form. |
| Weak or no signal | The secreted protein may be scarce in the tested fraction. | Test conditioned medium and include a positive control. |
| Fragments below expected size | Propeptide processing yields a smaller product. | Verify the antibody epitope and compare with a processed-form control. |
Experiment evidence
Western blot images showing HAMP band
M01347 · HAMP
← swipe / scroll for more images →
Real WB data behind the band-size expectations in this section.
Sample controls for HAMP Western blot
🧪For positive controls for HAMP in Western blot, you can use a validated HAMP-positive sample; the supplied HPA data identify no positive tissue or cell line.
Positive control: No high/medium HPA tissue identified
Negative control: Suggested KO / knockdown lysate
Loading controls: Run GAPDH, β-actin, and a total-protein stain alongside the samples.
⚠️Feasibility: HAMP is secreted, so conditioned medium may be more suitable than whole-cell lysate.
HPA tissue expression evidence for HAMP
Comprehensive Human Protein Atlas IHC scoring per tissue. Rows are taken directly from the HPA tissue chart — click any row's HPA link to view the source.
Higher expression tissues · candidate positive controls from IHC
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| No high/medium HPA tissues identified in the supplied evidence. | ||||
Lower expression tissues · IHC evidence, not confirmed WB-negative controls
| Tissue | Cell type | Level | Evidence | Source |
|---|---|---|---|---|
| No lower-expression tissue rows available in the supplied evidence. | ||||
Section 3
Advanced HAMP Western Blot Tips
Deeper troubleshooting and optimisation questions for HAMP, answered from its protein features.
How should HAMP band migration be interpreted?
Band shift · Use the separately labelled calculated mass and catalog-observed evidence above. A sequence annotation does not establish an observed migration shift. Verify target identity with orthogonal controls.
Are multiple HAMP isoforms expected?
Isoforms · The supplied record lists one isoform and no alternative sequence. Do not assign multiple bands to splice isoforms on this evidence alone.
Do annotated modifications prove a band shift?
PTM · The linked UniProt record describes protein features. A modification annotation alone does not demonstrate a visible shift; retain any condition or experimental qualifier attached to it.
Does this guide establish induction of HAMP?
Induction · No general induction response is established by this guide. A pathway or gene-set association is not evidence of induction in a particular specimen. Verify the relevant treatment and control in a target-specific experiment.
What transfer method to use for HAMP Western blot?
Transfer · HAMP is an 84-residue precursor processed to a shorter peptide. Use transfer conditions and a membrane validated for retaining very small proteins, then verify retention with a suitable control. The supplied features do not identify a specific membrane or transfer setting.
How should blocking be optimized?
Blocking · Standard workflow guidance: follow the M01347 datasheet where specified. Otherwise compare 5% milk or 5% BSA in TBST; for a phospho-specific assay start with BSA. Optimize background and specific signal with matched controls.
How should HAMP bands be quantified?
Quantitation · Quantify the same identified HAMP species across samples, distinguishing precursor from processed peptide where possible. Because HAMP is secreted, compare equivalent sample fractions. The supplied record gives no observed band position, so apparent mass alone cannot identify the species.
Why might a HAMP band differ from the predicted 9.4 kDa?
Interpretation · The 9.4 kDa prediction is for the 84-residue precursor. UniProt lists a signal peptide at 1..24 and a propeptide at 25..54, leaving residues 55..84 after processing. These features indicate a shorter product, but no observed band is supplied, so they cannot establish the cause of any apparent mass difference.
Check whether the antibody recognizes residues 55..84 if the goal is to detect processed hepcidin. An antibody recognizing only the signal peptide (1..24) or propeptide (25..54) may give a different result. These coordinates use UniProt precursor numbering.
UniProt lists four disulfide bonds. Compare reducing and nonreducing preparations if band behavior is unclear, while keeping the preparation consistent for comparisons. The listed bonds alone do not predict a visible shift.
UniProt identifies HAMP as secreted. Include the secreted fraction when the aim is to assess released hepcidin; a cell-only sample may miss it. Keep sample fractions consistent across comparisons.
The record reports interaction with SLC40A1 and four disulfide bonds, but neither establishes a stable higher-mass HAMP band. It lists no glycosylation or modified-residue sites. Confirm the band’s identity before assigning it to a complex or modification.
Check whether the antibody recognizes residues 55..84 if the goal is to detect processed hepcidin. An antibody recognizing only the signal peptide (1..24) or propeptide (25..54) may give a different result. These coordinates use UniProt precursor numbering.
UniProt lists four disulfide bonds. Compare reducing and nonreducing preparations if band behavior is unclear, while keeping the preparation consistent for comparisons. The listed bonds alone do not predict a visible shift.
UniProt identifies HAMP as secreted. Include the secreted fraction when the aim is to assess released hepcidin; a cell-only sample may miss it. Keep sample fractions consistent across comparisons.
The record reports interaction with SLC40A1 and four disulfide bonds, but neither establishes a stable higher-mass HAMP band. It lists no glycosylation or modified-residue sites. Confirm the band’s identity before assigning it to a complex or modification.
Boster reagents
HAMP Western Blot Antibodies
Catalog antibodies with Western blot application and product-specific WB images. Evaluate suitability with the reported sample, controls and experimental conditions.
Real WB data
Anti-Hepcidin HAMP Rabbit Monoclonal Antibody
Cat # M01347
The catalog reports one anti-HAMP antibody, M01347, for Western blot. Its image shows human full-length recombinant hepcidin with a GFP tag. The supplied evidence does not show endogenous HAMP or a rat Western blot.
Which to pick: M01347 is the only listed option. Its reported reactivity is human and rat, but the supplied Western blot image uses GFP-tagged human recombinant protein; consider that sample difference when planning your blot.
Source: BosterBio HAMP gene-info card — filtered to Western-blot-capable antibodies; each card shows that product's actual WB validation figure.
References
- UniProt Consortium. UniProt entry P81172.
- Human Protein Atlas. HAMP tissue expression.
- PMC6458886 — target-verified WB comparison
- PMC11164495 — target-verified WB comparison