Product: FTH1 Antibody
Catalog: DF6278
Description: Rabbit polyclonal antibody to FTH1
Application: WB IHC IF/ICC
Cited expt.: WB, IHC, IF/ICC
Reactivity: Human, Mouse, Rat
Prediction: Rabbit, Dog, Chicken, Xenopus
Mol.Wt.: 21kDa; 21kD(Calculated).
Uniprot: P02794
RRID: AB_2838244

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Product Info

Source:
Rabbit
Application:
WB 1:500-1:2000, IHC 1:50-1:200, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human,Mouse,Rat
Prediction:
Rabbit(90%), Dog(90%), Chicken(80%), Xenopus(88%)
Clonality:
Polyclonal
Specificity:
Ferritin Heavy Chain Antibody detects endogenous levels of total Ferritin Heavy Chain.
RRID:
AB_2838244
Cite Format: Affinity Biosciences Cat# DF6278, RRID:AB_2838244.
Conjugate:
Unconjugated.
Purification:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
Storage:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
Alias:

Fold/Unfold

Apoferritin; Cell proliferation inducing gene 15 protein; Cell proliferation-inducing gene 15 protein; F HC; Ferritin H subunit; Ferritin heavy chain; Ferritin heavy polypeptide 1; FHC; FRIH; FRIH_HUMAN; FTH 1; FTH; FTH1; FTH1 protein; FTHL 6; FTHL6; Iron overload autosomal dominant; MGC104426; N-terminally processed; OK/SW-cl.84; PIG 15; PIG15; Placenta immunoregulatory factor; PLIF; Proliferation inducing gene 15 protein; Proliferation inducing protein 15;

Immunogens

Immunogen:

A synthesized peptide derived from human Ferritin Heavy Chain, corresponding to a region within C-terminal amino acids.

Uniprot:
Gene(ID):
Expression:
P02794 FRIH_HUMAN:

Expressed in the liver.

Description:
Ferritin (FTH) is a ubiquitous and highly conserved protein which plays a major role in iron homeostasis by sequestering and storing iron in a non-toxic and bioavailable form (1). The assembled ferritin molecule, often referred to as a nanocage, can store up to 4,500 atoms of iron (2,3). It forms a holoenzyme of ~450 kDa, consisting of 24 subunits made up of two types of polypeptide chains: ferritin heavy chain and ferritin light chain, each having unique functions. Ferritin heavy chains catalyze the first step in iron storage, the oxidation of Fe(II), whereas ferritin light chains promote the nucleation of ferrihydrite, enabling storage of Fe(III) (4). In addition to iron buffering, heavy chain ferritin also enhances thymidine biosynthesis (5). Serum ferritin levels serve as an indicator of the amount of iron stored in the body. Serum ferritin is the most sensitive test for anaemia. The level of serum ferritin is markedly elevated in inflammation, malignancy, and iron overload disorders (6). Research studies have found that defects in ferritin proteins are also associated with several neurodegenerative diseases (7).
Sequence:
MTTASTSQVRQNYHQDSEAAINRQINLELYASYVYLSMSYYFDRDDVALKNFAKYFLHQSHEEREHAEKLMKLQNQRGGRIFLQDIKKPDCDDWESGLNAMECALHLEKNVNQSLLELHKLATDKNDPHLCDFIETHYLNEQVKAIKELGDHVTNLRKMGAPESGLAEYLFDKHTLGDSDNES

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Rabbit
90
Dog
90
Xenopus
88
Chicken
80
Horse
78
Pig
70
Bovine
70
Sheep
0
Zebrafish
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

Research Backgrounds

Function:

Stores iron in a soluble, non-toxic, readily available form. Important for iron homeostasis. Has ferroxidase activity. Iron is taken up in the ferrous form and deposited as ferric hydroxides after oxidation. Also plays a role in delivery of iron to cells. Mediates iron uptake in capsule cells of the developing kidney (By similarity).

Tissue Specificity:

Expressed in the liver.

Family&Domains:

Belongs to the ferritin family.

Research Fields

· Cellular Processes > Cell growth and death > Ferroptosis.   (View pathway)

· Cellular Processes > Cell growth and death > Necroptosis.   (View pathway)

· Organismal Systems > Digestive system > Mineral absorption.

References

1). Bioprinted mesenchymal stem cell microfiber-derived extracellular vesicles alleviate unilateral renal ischemia-reperfusion injury and fibrosis by inhibiting tubular epithelial cells ferroptosis. Bioactive materials, 2024 (PubMed: 39247401) [IF=18.9]

Application: WB    Species: Mouse    Sample: kidneys

Fig. 5. UIRI induces ferroptosis in renal tubular epithelial cells. A. Diagram shows the animal experimental design. B, C. Serum creatinine (B) and blood urea nitrogen (C) levels in different groups as indicated (n = 3). D. Representative images of HE, Perl's staining, and immunohistochemical staining for SLC7A11 and GPX4 in UIRI or Fer-1 (5 mg/kg) treated mice kidneys. Scale bar = 50um. E. mRNA expression of SLC7A11, FTH-1, and GPX4 in UIRI or Fer-1 treated mice kidneys was measured by qRT-PCR (n = 3). F. Representative Western blotting (Fi) and quantitative data (Fii) show the protein expression of SLC7A11, FTH-1, and GPX4 in Fer-1 treated mice kidneys after UIRI. Relative expressions were expressed as fold induction over sham controls after normalization with GAPDH. ns, ***P < 0.001 and ****P < 0.0001 vs sham; ####P < 0.0001 vs UIRI group; ns, not significant (n = 4). G-I. MDA (G), GSSG/total GSH ratio (H), and Iron content (I) in different treated kidney tissues (n = 4, ***P < 0.001 and ****P < 0.0001 versus sham; ##P < 0.01 and ###P < 0.001 vs UIRI group). J. Double immunofluorescence staining demonstrates ferroptosis predominantly in the proximal tubular epithelium. Kidney sections were co-stained for AQP-1 (Red) and GPX4 (green), respectively. Scale bar = 50 μm.

2). VDR Activation Attenuates Renal Tubular Epithelial Cell Ferroptosis by Regulating Nrf2/HO-1 Signaling Pathway in Diabetic Nephropathy. Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2024 (PubMed: 38145959) [IF=15.1]

Application: WB    Species: human    Sample: HK‐2 cells

Figure 2 VDR activation suppressed ferroptosis in HG‐cultured HK‐2 cells. The mitochondrial morphology of HK‐2 cells was visualized by TEM. The arrow indicates microscopic changes in mitochondria. Absolute counting of the number of cristae per mitochondria. Scale bar = 2 or 0.5 µm (A). Quantitative analysis of iron (B), MDA (C), and GSH (D) levels in each cell group. The relative mRNA levels of SLC7A11, GPX4, TFRC,F TH1, and AIFM2 in different groups of HK‐2 cells were determined by qRT‐PCR. ACTB served as a loading control (E). Western blotting was applied to detect the protein expression levels of SLC7A11, GPX4, TFR‐1, FTH‐1, and FSP1, followed by densitometric analysis of the blots. β‐actin served as a loading control (F). Immunofluorescence staining and fluorescence intensity analysis of SLC7A11, GPX4, and TFR‐1 in different groups of HK‐2 cells as indicated. Scale bar = 20 µm (G). Each bar represents the mean ± SD of the data derived from three independent experiments (n = 3). ** p < 0.01 versus NG group; # p < 0.05, ## p < 0.01 versus HG group; & p < 0.05, && p < 0.01 versus HG group.

3). Internalized polystyrene nanoplastics trigger testicular damage and promote ferroptosis via CISD1 downregulation in mouse spermatocyte. JOURNAL OF NANOBIOTECHNOLOGY, 2025 [IF=12.6]

Application: WB    Species: Mouse    Sample: GC-2 cells

Fig. 5 3-MA and NCOA4 knockdown suppress PS-NPs-induced ferritinophagy. (A) GO analysis based on proteomic analysis results of PS-NPs-treated group and control group. (B and C) Heat maps of ferroptosis-related and autophagy-related proteins in vehicle and PS-NPs-treated GC-2 cells. (D) Immunofluorescence of LC3 in GC-2 cells treated with PS-NPs. (E) Relative expression of ferritinophagy-related gene in GC-2 cells post-treatment PS-NPs. (F and G) Ferritinophagy-related protein expression in PS-NPs-stimulated GC-2 cells. (H) Immunofluorescence of NCOA4 and FTH1 in GC-2 cells treated with PS-NPs. Line intensity plots show colocalization between FTH1 (red) and NCOA4 (green). (I) The cell viability was assayed in GC-2 cells following PS-NPs treatment with or without 3-MA. (J) Immunofluorescence staining of LC3 in GC-2 cells post-treatment with PS-NPs and 3-MA. (K and L) Western blotting and quantitative analysis of NCOA4 and FTH1. (M) Immunofluorescence of NCOA4 and FTH1 in GC-2 cells following PS-NPs and 3-MA treatment. Line intensity plots show colocalization between FTH1 (red) and NCOA4 (green). (N) The viability of PS-NPs-stimulated GC-2 cells while simultaneously inhibiting NCOA4 expression. (O and P) Representative fluorescent images and quantitative analysis of lipid peroxidation levels in PS-NPs-stimulated GC-2 cells while simultaneously inhibiting NCOA4 expression. (Q and R) Intracellular chelatable iron in GC-2 cells after 12 h exposure to PS-NPs while inhibiting NCOA4 expression stained with FerroOrange. (S and T) Representative fluorescent images and quantification of ROS levels using the fluorescent indicator DCFH-DA in GC-2 cells after 12 h exposure to PS-NPs while inhibiting NCOA4 expression

Application: IF/ICC    Species: Mouse    Sample: GC-2 cells

Fig. 5 3-MA and NCOA4 knockdown suppress PS-NPs-induced ferritinophagy. (A) GO analysis based on proteomic analysis results of PS-NPs-treated group and control group. (B and C) Heat maps of ferroptosis-related and autophagy-related proteins in vehicle and PS-NPs-treated GC-2 cells. (D) Immunofluorescence of LC3 in GC-2 cells treated with PS-NPs. (E) Relative expression of ferritinophagy-related gene in GC-2 cells post-treatment PS-NPs. (F and G) Ferritinophagy-related protein expression in PS-NPs-stimulated GC-2 cells. (H) Immunofluorescence of NCOA4 and FTH1 in GC-2 cells treated with PS-NPs. Line intensity plots show colocalization between FTH1 (red) and NCOA4 (green). (I) The cell viability was assayed in GC-2 cells following PS-NPs treatment with or without 3-MA. (J) Immunofluorescence staining of LC3 in GC-2 cells post-treatment with PS-NPs and 3-MA. (K and L) Western blotting and quantitative analysis of NCOA4 and FTH1. (M) Immunofluorescence of NCOA4 and FTH1 in GC-2 cells following PS-NPs and 3-MA treatment. Line intensity plots show colocalization between FTH1 (red) and NCOA4 (green). (N) The viability of PS-NPs-stimulated GC-2 cells while simultaneously inhibiting NCOA4 expression. (O and P) Representative fluorescent images and quantitative analysis of lipid peroxidation levels in PS-NPs-stimulated GC-2 cells while simultaneously inhibiting NCOA4 expression. (Q and R) Intracellular chelatable iron in GC-2 cells after 12 h exposure to PS-NPs while inhibiting NCOA4 expression stained with FerroOrange. (S and T) Representative fluorescent images and quantification of ROS levels using the fluorescent indicator DCFH-DA in GC-2 cells after 12 h exposure to PS-NPs while inhibiting NCOA4 expression

4). Activation of integrated stress response and disordered iron homeostasis upon combined exposure to cadmium and PCB77. JOURNAL OF HAZARDOUS MATERIALS, 2020 (PubMed: 31837937) [IF=12.2]

Application: WB    Species: Human    Sample: Human erythroleukemia cell lines (HEL)

Fig. 5. Disordered iron homeostasis and inhibited mTORC1 activity upon exposure to CdCl2 and PCB77 at low dose. (A) The relative fluorescence intensity of CAeAM for measuring LIP to reflect intracellular iron availability (n = 3–4), and (B) Representative blots of FTH1 protein content to reflect iron storage. Analyses were performed after single or combined exposure to CdCl2 and PCB77 at 1 μM for 48 h. (C) Phosphorylated S6 and total S6 content to re- flect mTORC1 activity as measured by Western blot. Ratio of FTH1 to eIF2αP and ratio of pS6 to S6 in the control group were defined as 1. Analyses were performed after single or combined exposure to CdCl2 and PCB77 at 1 μM for 48 h. a- significantly different from the control group. Data were presented in mean ± SE. P < 0.05 was considered statistically significant.

5). Identification of ZIP8-induced ferroptosis as a major type of cell death in monocytes under sepsis conditions. Redox biology, 2024 (PubMed: 38103342) [IF=10.7]

Application: WB    Species: Mouse    Sample: RAW264.7 cells

Fig. 5 ZIP8 regulates ferroptosis of monocytes under sepsis conditions in vitro. a. Representative immunoblots of ZIP8-G, ZIP8-N, GPX4, FTH1 and xCT in RAW264.7 cells treated with different concentrations of LPS and durations. b-f. Immunoblot analyses of ZIP8-G (b, n = 4/group), ZIP8-N (c, n = 4/group), GPX4 (d, n = 4/group), FTH1 (e, n = 4/group), and xCT (f, n = 4/group) exhibited a sequential pattern of expression changes between ZIP8 (peaked at 6 h post-treatment) and ferroptosis related GPX4 and FTH1 (hit the lowest at 12 h post-treatment). g. Representative immunoblots of ZIP8-G, ZIP8-N, GPX4, FTH1 and xCT in RAW264.7 cells with/without decreased Slc39a8 expression and/or LPS treatment. h-l. Immunoblot analyses of ZIP8-G (h, n = 5/group), ZIP8-N (i, n = 5/group), GPX4 (j, n = 5/group), FTH1 (k, n = 5/group), and xCT (l, n = 5/group) exhibited that suppressing ZIP8 attenuated the decrease of GPX4, FTH1 and xCT in response to LPS. m-o. Quantification analysis showed that decreasing ZIP8 alleviated the LPS-induced upregulations of MDA (m, n = 6/group) and ferrous ions (o, n = 6/group) and reversed the decreased GSH level (n, n = 6/group). One-way ANOVA was performed in b-f. Two-way ANOVA was performed in h-o. Compared to PBS treated si-NC group:

6). Silibinin attenuates ferroptosis in acute kidney injury by targeting FTH1. Redox biology, 2024 (PubMed: 39326069) [IF=10.7]

Application: IF/ICC    Species: Mouse    Sample: kidney

Fig. 5. FTH1 plays a critical role in silibinin-mediated inhibition of ferroptosis, and silibinin inhibits ferroptosis by disrupting the NCOA4-FTH1 interaction. (A) The schematic diagram of identifying silibinin target proteins. (B) Venn diagram of silibinin target proteins and biotin target proteins. (C) Representative images of FTH1 in the proteome microarray. (D) Z-score and IMean ratio of FTH1-silibinin binding. (E) Molecular docking of FTH1 and silibinin. (F) SPRi fitting curves for silibinin to FTH1. (G–H) CETSA-Western blot analysis showed the protection of FTH1 by silibinin at different temperature gradients (n = 3). (I–J) DARTS-Western blot analysis showed the resistance of FTH1 to pronase digestion under the treatment of silibinin (n = 3). (K–M) Western bolt analysis and quantitative results of NCOA4 and FTH1 (n = 4). (N) Representative immunofluorescence images of FTH1 and NCOA4 co-staining. (O) Co-IP assay of NCOA4 and FTH1 interaction in the kidney of IRI mice. (P) Quantitative results of co-IP assay showing the endogenous interaction between NCOA4 and FTH1 (n = 3). ∗P < 0.05, ∗∗P < 0.01, ∗∗∗P < 0.001.

Application: WB    Species: Mouse    Sample: kidney

Fig. 5. FTH1 plays a critical role in silibinin-mediated inhibition of ferroptosis, and silibinin inhibits ferroptosis by disrupting the NCOA4-FTH1 interaction. (A) The schematic diagram of identifying silibinin target proteins. (B) Venn diagram of silibinin target proteins and biotin target proteins. (C) Representative images of FTH1 in the proteome microarray. (D) Z-score and IMean ratio of FTH1-silibinin binding. (E) Molecular docking of FTH1 and silibinin. (F) SPRi fitting curves for silibinin to FTH1. (G–H) CETSA-Western blot analysis showed the protection of FTH1 by silibinin at different temperature gradients (n = 3). (I–J) DARTS-Western blot analysis showed the resistance of FTH1 to pronase digestion under the treatment of silibinin (n = 3). (K–M) Western bolt analysis and quantitative results of NCOA4 and FTH1 (n = 4). (N) Representative immunofluorescence images of FTH1 and NCOA4 co-staining. (O) Co-IP assay of NCOA4 and FTH1 interaction in the kidney of IRI mice. (P) Quantitative results of co-IP assay showing the endogenous interaction between NCOA4 and FTH1 (n = 3). ∗P < 0.05, ∗∗P < 0.01, ∗∗∗P < 0.001.

7). The deubiquitinase USP11 ameliorates intervertebral disc degeneration by regulating oxidative stress-induced ferroptosis via deubiquitinating and stabilizing Sirt3. Redox biology, 2023 (PubMed: 37099926) [IF=10.7]

8). ZnO NPs induce miR-342-5p mediated ferroptosis of spermatocytes through the NF-κB pathway in mice. Journal of nanobiotechnology, 2024 (PubMed: 38961442) [IF=10.2]

9). ZnO NPs induce miR-342-5p mediated ferroptosis of spermatocytes through the NF-κB pathway in mice. Journal of nanobiotechnology, 2024 (PubMed: 38961442) [IF=10.2]

Application: WB    Species: Mouse    Sample: GC-2 cells

Fig. 6 ZnO NPs induce the ferroptosis of GC-2 cells. (A) Intracellular chelatable iron in GC-2 cells treated with or without ZnO NPs stained with PGSK (green). Statistical analysis of MFI of PGSK was shown. (B) Representative FACS data for lipid peroxidation level in GC-2 cells following ZnO NPs treatment using C11 BODIPY. Statistical analysis of MFI of the ratio of green/red was shown. (C) qRT-PCR analysis of ferroptosis-related gene expression in GC-2 cells after ZnO NPs treatment. (D) Western blot of ferroptosis-related protein levels in GC-2 cells treated with ZnO NPs. Statistical analysis of mean grey values ratios of the corresponding proteins/β-actin was shown, the same as below. (E) The cell viability of GC-2 cells following ZnO NPs treatment with or without Fer-1 (3.5 µM). (F) Intracellular chelatable iron in GC-2 cells following ZnO NPs treatment with or without Fer-1 stained with PGSK. Statistical analysis of MFI of PGSK was shown. (G) Representative FACS data of lipid peroxidation level in GC-2 cells following ZnO NPs treatment with or without Fer-1 stained with C11 BODIPY. Statistical analysis of MFI of the ratio of green/red was shown. (H and I) The levels of GSH and MDA in GC-2 cells following ZnO NPs treatment with or without Fer-1. (J) qRT-PCR analysis of ferroptosis-related gene expression in GC-2 cells following ZnO NPs treatment with or without Fer-1. (K) Western blot of ferroptosis-related protein levels in GC-2 cells following ZnO NPs treatment with or without Fer-1

10). Inhibition of KMO Ameliorates Myocardial Ischemia Injury via Maintaining Mitochondrial Fusion and Fission Balance. International journal of biological sciences, 2023 (PubMed: 37416768) [IF=8.2]

Application: WB    Species: Mouse    Sample:

Figure 2. Elevation of xanthurenic acid level aggravates myocardial ischemia injury. A. Serum biochemical indicators contents include BNP, hs-CRP, TNF-α, MDA, and NO in sham and MI model groups mice administered xanthurenic acid (XA), and were detected by ELISA (i.p. 100 mg/kg) (n = 6). B-D. Histological analysis of heart, lung, liver, spleen, kidney, and brain slices by hematoxylin and eosin (H&E), masson's trichrome, and sirius red staining (n = 5) (All images were 200X magnification except for spleen was 400X magnification; the lines marked in all figures represent 50 µm). E. Western blots and quantitative results of cleaved caspase-3, GPX4, FHC, FLC, and ACSL4 in each group mice heart (n = 5). Data are presented as mean ± SD. #p < 0.05, ##p < 0.01 vs. sham group, *p < 0.05, **p < 0.01 vs. model group.

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