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a,b , Colocalization of <t>LEPR</t> protein <t>(antibody</t> <t>staining,</t> pseudocoloured yellow) and CXCL12 mRNA (HCR RNA-FISH, red) in representative 2D optical sections from ( a ) a 3D light-sheet scan and ( b ) a confocal scan of tissue-cleared human bone. Left panels show LEPR omitted; right panels include all channels. Nuclei (YOPRO, green) and bone matrix (autofluorescence at 405 nm, cyan) were visualized in ( a ) but not ( b ) due to sample bleaching. c , Confocal image of a 6-μm thick section from decalcified human bone stained for LEPR (green), CXCL12 mRNA (red), and counterstained with DAPI (blue). Single and merged channels are shown. d–f , Nuclear staining of aged human bone with YOPRO1 (green). d, Raw YOPRO+ signals in a light-sheet scan. e, YOPRO+ nuclei overlaid with cell positions detected by the Imaris Spot function. f, Optical sections showing overlay of YOPRO+ nuclei with segmented cell masks (grey circles). g–l , Detection of nucleated CXCL12+ cells in aged bone. g–i, Representative 2D optical sections from a 3D light-sheet scan showing CXCL12 mRNA (HCR, red), CD31+ vessels (yellow), and YOPRO1+ nuclei (green). CXCL12 signal is omitted in g and present in h ; i , colocalized CXCL12+YOPRO+ cells detected by Imaris Spot function are marked by grey circles. j–l , 3D projections of the same region as a raw scan ( j ) and detected double-positive cells at low ( k ) and high ( l ) magnification, with double-positive cells represented as green spheres. j , CD31 and YOPRO channels only; k,l , all channels including CXCL12. All images are cropped from large tissue volumes (∼2 × 2 × 2 mm) scanned by light-sheet microscopy.
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a,b , Colocalization of <t>LEPR</t> protein <t>(antibody</t> <t>staining,</t> pseudocoloured yellow) and CXCL12 mRNA (HCR RNA-FISH, red) in representative 2D optical sections from ( a ) a 3D light-sheet scan and ( b ) a confocal scan of tissue-cleared human bone. Left panels show LEPR omitted; right panels include all channels. Nuclei (YOPRO, green) and bone matrix (autofluorescence at 405 nm, cyan) were visualized in ( a ) but not ( b ) due to sample bleaching. c , Confocal image of a 6-μm thick section from decalcified human bone stained for LEPR (green), CXCL12 mRNA (red), and counterstained with DAPI (blue). Single and merged channels are shown. d–f , Nuclear staining of aged human bone with YOPRO1 (green). d, Raw YOPRO+ signals in a light-sheet scan. e, YOPRO+ nuclei overlaid with cell positions detected by the Imaris Spot function. f, Optical sections showing overlay of YOPRO+ nuclei with segmented cell masks (grey circles). g–l , Detection of nucleated CXCL12+ cells in aged bone. g–i, Representative 2D optical sections from a 3D light-sheet scan showing CXCL12 mRNA (HCR, red), CD31+ vessels (yellow), and YOPRO1+ nuclei (green). CXCL12 signal is omitted in g and present in h ; i , colocalized CXCL12+YOPRO+ cells detected by Imaris Spot function are marked by grey circles. j–l , 3D projections of the same region as a raw scan ( j ) and detected double-positive cells at low ( k ) and high ( l ) magnification, with double-positive cells represented as green spheres. j , CD31 and YOPRO channels only; k,l , all channels including CXCL12. All images are cropped from large tissue volumes (∼2 × 2 × 2 mm) scanned by light-sheet microscopy.
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a,b , Colocalization of <t>LEPR</t> protein <t>(antibody</t> <t>staining,</t> pseudocoloured yellow) and CXCL12 mRNA (HCR RNA-FISH, red) in representative 2D optical sections from ( a ) a 3D light-sheet scan and ( b ) a confocal scan of tissue-cleared human bone. Left panels show LEPR omitted; right panels include all channels. Nuclei (YOPRO, green) and bone matrix (autofluorescence at 405 nm, cyan) were visualized in ( a ) but not ( b ) due to sample bleaching. c , Confocal image of a 6-μm thick section from decalcified human bone stained for LEPR (green), CXCL12 mRNA (red), and counterstained with DAPI (blue). Single and merged channels are shown. d–f , Nuclear staining of aged human bone with YOPRO1 (green). d, Raw YOPRO+ signals in a light-sheet scan. e, YOPRO+ nuclei overlaid with cell positions detected by the Imaris Spot function. f, Optical sections showing overlay of YOPRO+ nuclei with segmented cell masks (grey circles). g–l , Detection of nucleated CXCL12+ cells in aged bone. g–i, Representative 2D optical sections from a 3D light-sheet scan showing CXCL12 mRNA (HCR, red), CD31+ vessels (yellow), and YOPRO1+ nuclei (green). CXCL12 signal is omitted in g and present in h ; i , colocalized CXCL12+YOPRO+ cells detected by Imaris Spot function are marked by grey circles. j–l , 3D projections of the same region as a raw scan ( j ) and detected double-positive cells at low ( k ) and high ( l ) magnification, with double-positive cells represented as green spheres. j , CD31 and YOPRO channels only; k,l , all channels including CXCL12. All images are cropped from large tissue volumes (∼2 × 2 × 2 mm) scanned by light-sheet microscopy.
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leptin receptor ob r antibody  (R&D Systems)
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R&D Systems leptin receptor ob r antibody
<t>Leptin</t> receptor (Ob-R) antagonist reduced the number of metastatic lung nodules and the diameter of nodules. (A) Procedure of animal experiment. Nude mice received venous transplantation of TPC-1 cells. To block OB-R, 1 mg/kg of Allo-aca was administrated to the animal per day. (B) Gross morphology of mice lungs showed nodules. Allo-aca reduced the number of pulmonary nodules. (C) Lung nodules were diagnosed as metastatic tumour under the light microscope. Allo-aca reduced the diameter of the nodules. (D) The lung nodules were examined by Western blot of thyroglobulin (TG). The nodules in the lungs were TG -positive, while the lung tissue was TG -negative. This result confirmed that the lung nodules were from thyroid carcinoma. (E–H) Allo-aca increased the level of serum T3, and had no significant effect on the level of T4, TSH and the body weight of the animal. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, *** p < 0.001, ns: not statistically significant.
Leptin Receptor Ob R Antibody, supplied by R&D Systems, used in various techniques. Bioz Stars score: 92/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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leptin receptor ob r antibody - by Bioz Stars, 2026-05
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Image Search Results


a,b , Colocalization of LEPR protein (antibody staining, pseudocoloured yellow) and CXCL12 mRNA (HCR RNA-FISH, red) in representative 2D optical sections from ( a ) a 3D light-sheet scan and ( b ) a confocal scan of tissue-cleared human bone. Left panels show LEPR omitted; right panels include all channels. Nuclei (YOPRO, green) and bone matrix (autofluorescence at 405 nm, cyan) were visualized in ( a ) but not ( b ) due to sample bleaching. c , Confocal image of a 6-μm thick section from decalcified human bone stained for LEPR (green), CXCL12 mRNA (red), and counterstained with DAPI (blue). Single and merged channels are shown. d–f , Nuclear staining of aged human bone with YOPRO1 (green). d, Raw YOPRO+ signals in a light-sheet scan. e, YOPRO+ nuclei overlaid with cell positions detected by the Imaris Spot function. f, Optical sections showing overlay of YOPRO+ nuclei with segmented cell masks (grey circles). g–l , Detection of nucleated CXCL12+ cells in aged bone. g–i, Representative 2D optical sections from a 3D light-sheet scan showing CXCL12 mRNA (HCR, red), CD31+ vessels (yellow), and YOPRO1+ nuclei (green). CXCL12 signal is omitted in g and present in h ; i , colocalized CXCL12+YOPRO+ cells detected by Imaris Spot function are marked by grey circles. j–l , 3D projections of the same region as a raw scan ( j ) and detected double-positive cells at low ( k ) and high ( l ) magnification, with double-positive cells represented as green spheres. j , CD31 and YOPRO channels only; k,l , all channels including CXCL12. All images are cropped from large tissue volumes (∼2 × 2 × 2 mm) scanned by light-sheet microscopy.

Journal: bioRxiv

Article Title: Quantitative Multicolored Deep Imaging of Human Bones Reveals a Composite Osteo-Sinusoidal Niche for Mesenchymal Stromal Cells

doi: 10.1101/2025.10.07.680053

Figure Lengend Snippet: a,b , Colocalization of LEPR protein (antibody staining, pseudocoloured yellow) and CXCL12 mRNA (HCR RNA-FISH, red) in representative 2D optical sections from ( a ) a 3D light-sheet scan and ( b ) a confocal scan of tissue-cleared human bone. Left panels show LEPR omitted; right panels include all channels. Nuclei (YOPRO, green) and bone matrix (autofluorescence at 405 nm, cyan) were visualized in ( a ) but not ( b ) due to sample bleaching. c , Confocal image of a 6-μm thick section from decalcified human bone stained for LEPR (green), CXCL12 mRNA (red), and counterstained with DAPI (blue). Single and merged channels are shown. d–f , Nuclear staining of aged human bone with YOPRO1 (green). d, Raw YOPRO+ signals in a light-sheet scan. e, YOPRO+ nuclei overlaid with cell positions detected by the Imaris Spot function. f, Optical sections showing overlay of YOPRO+ nuclei with segmented cell masks (grey circles). g–l , Detection of nucleated CXCL12+ cells in aged bone. g–i, Representative 2D optical sections from a 3D light-sheet scan showing CXCL12 mRNA (HCR, red), CD31+ vessels (yellow), and YOPRO1+ nuclei (green). CXCL12 signal is omitted in g and present in h ; i , colocalized CXCL12+YOPRO+ cells detected by Imaris Spot function are marked by grey circles. j–l , 3D projections of the same region as a raw scan ( j ) and detected double-positive cells at low ( k ) and high ( l ) magnification, with double-positive cells represented as green spheres. j , CD31 and YOPRO channels only; k,l , all channels including CXCL12. All images are cropped from large tissue volumes (∼2 × 2 × 2 mm) scanned by light-sheet microscopy.

Article Snippet: Following HCR, tissue sections were blocked using the same staining buffer as used in DeepBone, then incubated with primary antibodies against LEPR (conjugated to AlexaFluor488; #MAB867, R&D Systems) or Ki67 (conjugated to AlexaFluor546; SolA15, Thermofisher).

Techniques: Staining, Microscopy

Leptin receptor (Ob-R) antagonist reduced the number of metastatic lung nodules and the diameter of nodules. (A) Procedure of animal experiment. Nude mice received venous transplantation of TPC-1 cells. To block OB-R, 1 mg/kg of Allo-aca was administrated to the animal per day. (B) Gross morphology of mice lungs showed nodules. Allo-aca reduced the number of pulmonary nodules. (C) Lung nodules were diagnosed as metastatic tumour under the light microscope. Allo-aca reduced the diameter of the nodules. (D) The lung nodules were examined by Western blot of thyroglobulin (TG). The nodules in the lungs were TG -positive, while the lung tissue was TG -negative. This result confirmed that the lung nodules were from thyroid carcinoma. (E–H) Allo-aca increased the level of serum T3, and had no significant effect on the level of T4, TSH and the body weight of the animal. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, *** p < 0.001, ns: not statistically significant.

Journal: Annals of Medicine

Article Title: Human adipose-derived stem cells promote migration of papillary thyroid cancer cell via leptin pathway

doi: 10.1080/07853890.2024.2419990

Figure Lengend Snippet: Leptin receptor (Ob-R) antagonist reduced the number of metastatic lung nodules and the diameter of nodules. (A) Procedure of animal experiment. Nude mice received venous transplantation of TPC-1 cells. To block OB-R, 1 mg/kg of Allo-aca was administrated to the animal per day. (B) Gross morphology of mice lungs showed nodules. Allo-aca reduced the number of pulmonary nodules. (C) Lung nodules were diagnosed as metastatic tumour under the light microscope. Allo-aca reduced the diameter of the nodules. (D) The lung nodules were examined by Western blot of thyroglobulin (TG). The nodules in the lungs were TG -positive, while the lung tissue was TG -negative. This result confirmed that the lung nodules were from thyroid carcinoma. (E–H) Allo-aca increased the level of serum T3, and had no significant effect on the level of T4, TSH and the body weight of the animal. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, *** p < 0.001, ns: not statistically significant.

Article Snippet: The PVDF membranes were blocked with BSA (Sigma-Aldrich) and then hybridized with antibodies, including the following: mouse monoclonal IgG of leptin receptor (Ob-R) antibody (R&D Systems, catalog# MAB867, diluted 1:500), rabbit polyclonal MMP-2 (Cell Signaling Technology, catalog# 4022, diluted 1:1000), MMP-9 antibodies (Signaling Technology, catalog# 3852, diluted 1:1000), rabbit monoclonal thyroglobulin antibody (Abcam, catalog# ab243094, diluted 1:1000), rabbit polyclonal GAPDH antibody (Abcam, catalog# ab9485, diluted 1:1000), goat anti-mouse IgG (Abcam, catalog# ab6789, diluted 1:2000), goat anti-rabbit IgG (Abcam, catalog# ab205718, diluted 1:2000).

Techniques: Transplantation Assay, Blocking Assay, Light Microscopy, Western Blot, Standard Deviation

The conditioned medium of ADSCs upregulated the level of leptin receptor (Ob-R) in TPC-1 and BCPAP cells. (A) The concentration of leptin in the medium of ADSCs was ∼3-fold higher than that in the medium of TPC-1 and BCPAP cells, approximately 50 pg/ml. (B) In vitro experiments showed that ADSC-CM increased the level of leptin receptor (Ob-R) in the TPC-1/BCPAP cells. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, *** p < 0.001.

Journal: Annals of Medicine

Article Title: Human adipose-derived stem cells promote migration of papillary thyroid cancer cell via leptin pathway

doi: 10.1080/07853890.2024.2419990

Figure Lengend Snippet: The conditioned medium of ADSCs upregulated the level of leptin receptor (Ob-R) in TPC-1 and BCPAP cells. (A) The concentration of leptin in the medium of ADSCs was ∼3-fold higher than that in the medium of TPC-1 and BCPAP cells, approximately 50 pg/ml. (B) In vitro experiments showed that ADSC-CM increased the level of leptin receptor (Ob-R) in the TPC-1/BCPAP cells. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, *** p < 0.001.

Article Snippet: The PVDF membranes were blocked with BSA (Sigma-Aldrich) and then hybridized with antibodies, including the following: mouse monoclonal IgG of leptin receptor (Ob-R) antibody (R&D Systems, catalog# MAB867, diluted 1:500), rabbit polyclonal MMP-2 (Cell Signaling Technology, catalog# 4022, diluted 1:1000), MMP-9 antibodies (Signaling Technology, catalog# 3852, diluted 1:1000), rabbit monoclonal thyroglobulin antibody (Abcam, catalog# ab243094, diluted 1:1000), rabbit polyclonal GAPDH antibody (Abcam, catalog# ab9485, diluted 1:1000), goat anti-mouse IgG (Abcam, catalog# ab6789, diluted 1:2000), goat anti-rabbit IgG (Abcam, catalog# ab205718, diluted 1:2000).

Techniques: Concentration Assay, In Vitro, Standard Deviation

The neutralizing antibody to leptin reduced the invasion and migration of the TPC-1 and BCPAP cells. ADSC-CM upregulated MMP-2 in TPC-1 and BCPAP cells, and the effect was attenuated by the neutralizing antibody to leptin. (A) Addition of 10 μg/mL NAB of leptin to ADSC-CM conditioned medium attenuated TPC-1 and BCPAP invasion. (B) Leptin NAB also attenuated conditioned medium-promoted TPC-1/BCPAP migration. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, *** p < 0.001.

Journal: Annals of Medicine

Article Title: Human adipose-derived stem cells promote migration of papillary thyroid cancer cell via leptin pathway

doi: 10.1080/07853890.2024.2419990

Figure Lengend Snippet: The neutralizing antibody to leptin reduced the invasion and migration of the TPC-1 and BCPAP cells. ADSC-CM upregulated MMP-2 in TPC-1 and BCPAP cells, and the effect was attenuated by the neutralizing antibody to leptin. (A) Addition of 10 μg/mL NAB of leptin to ADSC-CM conditioned medium attenuated TPC-1 and BCPAP invasion. (B) Leptin NAB also attenuated conditioned medium-promoted TPC-1/BCPAP migration. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, *** p < 0.001.

Article Snippet: The PVDF membranes were blocked with BSA (Sigma-Aldrich) and then hybridized with antibodies, including the following: mouse monoclonal IgG of leptin receptor (Ob-R) antibody (R&D Systems, catalog# MAB867, diluted 1:500), rabbit polyclonal MMP-2 (Cell Signaling Technology, catalog# 4022, diluted 1:1000), MMP-9 antibodies (Signaling Technology, catalog# 3852, diluted 1:1000), rabbit monoclonal thyroglobulin antibody (Abcam, catalog# ab243094, diluted 1:1000), rabbit polyclonal GAPDH antibody (Abcam, catalog# ab9485, diluted 1:1000), goat anti-mouse IgG (Abcam, catalog# ab6789, diluted 1:2000), goat anti-rabbit IgG (Abcam, catalog# ab205718, diluted 1:2000).

Techniques: Migration, Standard Deviation

Neutralizing antibodies against leptin slightly downregulated cell proliferation without significant effect on cell viability. (A) Addition of leptin NAB to ADSC-CM slightly reduced the stimulatory effect of conditioned medium on TPC-1 proliferation. (B) Addition of NAB to the conditioned medium had no significant effect on cell viability of TPC-1 cells. (C) NAB of leptin had no significant effect on BCPAP proliferation. (D) NAB of leptin had no significant effect on BCPAP viability. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, ns: not statistically significant.

Journal: Annals of Medicine

Article Title: Human adipose-derived stem cells promote migration of papillary thyroid cancer cell via leptin pathway

doi: 10.1080/07853890.2024.2419990

Figure Lengend Snippet: Neutralizing antibodies against leptin slightly downregulated cell proliferation without significant effect on cell viability. (A) Addition of leptin NAB to ADSC-CM slightly reduced the stimulatory effect of conditioned medium on TPC-1 proliferation. (B) Addition of NAB to the conditioned medium had no significant effect on cell viability of TPC-1 cells. (C) NAB of leptin had no significant effect on BCPAP proliferation. (D) NAB of leptin had no significant effect on BCPAP viability. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, ns: not statistically significant.

Article Snippet: The PVDF membranes were blocked with BSA (Sigma-Aldrich) and then hybridized with antibodies, including the following: mouse monoclonal IgG of leptin receptor (Ob-R) antibody (R&D Systems, catalog# MAB867, diluted 1:500), rabbit polyclonal MMP-2 (Cell Signaling Technology, catalog# 4022, diluted 1:1000), MMP-9 antibodies (Signaling Technology, catalog# 3852, diluted 1:1000), rabbit monoclonal thyroglobulin antibody (Abcam, catalog# ab243094, diluted 1:1000), rabbit polyclonal GAPDH antibody (Abcam, catalog# ab9485, diluted 1:1000), goat anti-mouse IgG (Abcam, catalog# ab6789, diluted 1:2000), goat anti-rabbit IgG (Abcam, catalog# ab205718, diluted 1:2000).

Techniques: Standard Deviation

(A,B) The ADSCs conditioned medium upregulated the MMP-2 levels of TPC-1/BCPAP. NAB of leptin partially counteracted the increase in MMP-2 levels. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, ** p < 0.01.

Journal: Annals of Medicine

Article Title: Human adipose-derived stem cells promote migration of papillary thyroid cancer cell via leptin pathway

doi: 10.1080/07853890.2024.2419990

Figure Lengend Snippet: (A,B) The ADSCs conditioned medium upregulated the MMP-2 levels of TPC-1/BCPAP. NAB of leptin partially counteracted the increase in MMP-2 levels. Experiments were repeated at least five times. Data are expressed as mean ± standard deviation. * p < 0.05, ** p < 0.01.

Article Snippet: The PVDF membranes were blocked with BSA (Sigma-Aldrich) and then hybridized with antibodies, including the following: mouse monoclonal IgG of leptin receptor (Ob-R) antibody (R&D Systems, catalog# MAB867, diluted 1:500), rabbit polyclonal MMP-2 (Cell Signaling Technology, catalog# 4022, diluted 1:1000), MMP-9 antibodies (Signaling Technology, catalog# 3852, diluted 1:1000), rabbit monoclonal thyroglobulin antibody (Abcam, catalog# ab243094, diluted 1:1000), rabbit polyclonal GAPDH antibody (Abcam, catalog# ab9485, diluted 1:1000), goat anti-mouse IgG (Abcam, catalog# ab6789, diluted 1:2000), goat anti-rabbit IgG (Abcam, catalog# ab205718, diluted 1:2000).

Techniques: Standard Deviation

Hypothesis diagram. Adipose tissue acts on thyroid cancer cells by secreting leptin. Leptin upregulates the level of the leptin receptor (Ob-R) on the surface of thyroid cancer cells and up-modulates the level of MMP-2 by activating the leptin signalling pathway, which may be an important mechanism by which obesity promotes the metastasis of thyroid cancer cells.

Journal: Annals of Medicine

Article Title: Human adipose-derived stem cells promote migration of papillary thyroid cancer cell via leptin pathway

doi: 10.1080/07853890.2024.2419990

Figure Lengend Snippet: Hypothesis diagram. Adipose tissue acts on thyroid cancer cells by secreting leptin. Leptin upregulates the level of the leptin receptor (Ob-R) on the surface of thyroid cancer cells and up-modulates the level of MMP-2 by activating the leptin signalling pathway, which may be an important mechanism by which obesity promotes the metastasis of thyroid cancer cells.

Article Snippet: The PVDF membranes were blocked with BSA (Sigma-Aldrich) and then hybridized with antibodies, including the following: mouse monoclonal IgG of leptin receptor (Ob-R) antibody (R&D Systems, catalog# MAB867, diluted 1:500), rabbit polyclonal MMP-2 (Cell Signaling Technology, catalog# 4022, diluted 1:1000), MMP-9 antibodies (Signaling Technology, catalog# 3852, diluted 1:1000), rabbit monoclonal thyroglobulin antibody (Abcam, catalog# ab243094, diluted 1:1000), rabbit polyclonal GAPDH antibody (Abcam, catalog# ab9485, diluted 1:1000), goat anti-mouse IgG (Abcam, catalog# ab6789, diluted 1:2000), goat anti-rabbit IgG (Abcam, catalog# ab205718, diluted 1:2000).

Techniques: