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Complement Technology Inc human complement proteins c3, factor b and factor d
Human Complement Proteins C3, Factor B And Factor D, supplied by Complement Technology Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/human+complement+factor+c3/complement+proteins/pm38008161-40-8-13
Average 90 stars, based on 1 article reviews
human complement proteins c3, factor b and factor d - by Bioz Stars, 2026-09
90/100 stars

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Purification:

Article Title: Enhanced recognition of plasma proteins in a non-native state by complement C3b. A possible clearance mechanism for damaged proteins in blood
Article Snippet: After 5 washes, 100 μl of HRP substrate solution (KPL) was added until color development followed by addition of 100 μl stop solution (KPL) and the absorbance was measured at 450 nm using a SpectraMax M2 plate reader (Molecular Devices, Sunnyvale, CA). .. Purified cobra venom factor (CVF), human serum depleted of individual complement components (C3, factor B and factor D), and purified human complement proteins (C3, factor B and factor D) were all purchased from Complement Technology, Inc. (Tyler, TX). .. The following purified human proteins were all obtained from Athens Research and Technology (Athens, GA): alpha-1 proteinase inhibitor (α 1 PI), vitamin D binding protein (DBP), human serum albumin (HSA) and neutrophil elastase.

Article Title: Identification of functionally important amino acid sequences in cobra venom factor using human C3/Cobra venom factor hybrid proteins.
Article Snippet: Cobra venom factor (CVF) is the complement-activating protein in cobra venom.. CVF is a structural and functional analog of complement component C3.. CVF, like C3b, forms a convertase with factor B.

Article Title: Enhanced recognition of plasma proteins in a non-native state by complement C3b. A possible clearance mechanism for damaged proteins in blood.
Article Snippet: .. Reagents Purified cobra venom factor (CVF), human serum depleted of ndividual complement components (C3, factor B and factor D), nd purified human complement proteins (C3, factor B and factor ) were all purchased from Complement Technology, Inc. (Tyler, X). .. The following purified human proteins were all obtained rom Athens Research and Technology (Athens, GA): alpha-1 proeinase inhibitor ( 1PI), vitamin D binding protein (DBP), human erum albumin (HSA) and neutrophil elastase.

Article Title: Generation of Multiple Fluid-Phase C3b:Plasma Protein Complexes During Complement Activation. Possible Implications in C3 Glomerulopathies
Article Snippet: Reagents Purified cobra venom factor (CVF), pre-activated Zymosan A and sheep erythrocytes were obtained from Complement Technology, Inc. (Tyler, TX). .. Human serum depleted of individual complement components (C3, C4, C5, factor B, factor D, properdin, factor H and factor I), and purified human complement proteins (C3, C3b, factor B, factor D, factor H and factor I) were all purchased from Complement Technology, Inc. .. The following purified human proteins were all obtained from Athens Research and Technology (Athens, GA): alpha-1 proteinase inhibitor (α 1 PI), alpha-1 acid glycoprotein (α 1 AG), immunoglobulin G (IgG) and vitamin D binding protein (DBP).

Article Title: Enhanced recognition of plasma proteins in a non-native state by complement C3b. A possible clearance mechanism for damaged proteins in blood
Article Snippet: .. 2.1 Reagents Purified cobra venom factor (CVF), human serum depleted of individual complement components (C3, factor B and factor D), and purified human complement proteins (C3, factor B and factor D) were all purchased from Complement Technology, Inc. (Tyler, TX). .. The following purified human proteins were all obtained from Athens Research and Technology (Athens, GA): alpha-1 proteinase inhibitor (α 1 PI), vitamin D binding protein (DBP), human serum albumin (HSA) and neutrophil elastase.

Article Title: Identification of intermolecular bonds between human factor B and Cobra Venom Factor important for C3 convertase stability.
Article Snippet: Cobra venom factor (CVF) is the complement-activating protein in cobra venom.. CVF is a structural and functional analog of complement component C3.. CVF, like C3b, forms a convertase with factor B.

Combined Bisulfite Restriction Analysis Assay:

Article Title: Enhanced recognition of plasma proteins in a non-native state by complement C3b. A possible clearance mechanism for damaged proteins in blood
Article Snippet: After 5 washes, 100 μl of HRP substrate solution (KPL) was added until color development followed by addition of 100 μl stop solution (KPL) and the absorbance was measured at 450 nm using a SpectraMax M2 plate reader (Molecular Devices, Sunnyvale, CA). .. Purified cobra venom factor (CVF), human serum depleted of individual complement components (C3, factor B and factor D), and purified human complement proteins (C3, factor B and factor D) were all purchased from Complement Technology, Inc. (Tyler, TX). .. The following purified human proteins were all obtained from Athens Research and Technology (Athens, GA): alpha-1 proteinase inhibitor (α 1 PI), vitamin D binding protein (DBP), human serum albumin (HSA) and neutrophil elastase.

Article Title: Enhanced recognition of plasma proteins in a non-native state by complement C3b. A possible clearance mechanism for damaged proteins in blood.
Article Snippet: .. Reagents Purified cobra venom factor (CVF), human serum depleted of ndividual complement components (C3, factor B and factor D), nd purified human complement proteins (C3, factor B and factor ) were all purchased from Complement Technology, Inc. (Tyler, X). .. The following purified human proteins were all obtained rom Athens Research and Technology (Athens, GA): alpha-1 proeinase inhibitor ( 1PI), vitamin D binding protein (DBP), human erum albumin (HSA) and neutrophil elastase.

Article Title: Enhanced recognition of plasma proteins in a non-native state by complement C3b. A possible clearance mechanism for damaged proteins in blood
Article Snippet: .. 2.1 Reagents Purified cobra venom factor (CVF), human serum depleted of individual complement components (C3, factor B and factor D), and purified human complement proteins (C3, factor B and factor D) were all purchased from Complement Technology, Inc. (Tyler, TX). .. The following purified human proteins were all obtained from Athens Research and Technology (Athens, GA): alpha-1 proteinase inhibitor (α 1 PI), vitamin D binding protein (DBP), human serum albumin (HSA) and neutrophil elastase.

other:

Article Title: Thrombomodulin enhances complement regulation through strong affinity interactions with factor H and C3b-Factor H complex.
Article Snippet: Factor D (FD) and C3b were purchased from Complement Technology Inc. (Tyler, Texas, USA).



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( A ) Immunohistochemical staining of complement factor <t>C3</t> in the gingiva of the controls (C) ( n = 4) and cats affected by gingivitis (G) ( n = 6), periodontitis (PD) ( n = 9) or tooth resorption (TR) ( n = 12). Images were obtained at 400× magnification. In the control and gingivitis groups, no positively stained cells were observed. Two C3-positive cells were seen in periodontitis, marked by black arrows. The greatest number of positively stained cells could be observed in TR. ( B ) There was a statistically significant increase in C3-positive cells in the TR group compared with the other three groups ( p ≤ 0.05). ( C ) Double immunofluorescence staining in the gingiva of a tooth affected by TR. Scale bar 50 μm. Mast cell granules (Avidin) were stained red, while C5 was stained green. In this section, one mast cell was positive for C3, marked by a white arrow.
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( A ) Immunohistochemical staining of complement factor <t>C3</t> in the gingiva of the controls (C) ( n = 4) and cats affected by gingivitis (G) ( n = 6), periodontitis (PD) ( n = 9) or tooth resorption (TR) ( n = 12). Images were obtained at 400× magnification. In the control and gingivitis groups, no positively stained cells were observed. Two C3-positive cells were seen in periodontitis, marked by black arrows. The greatest number of positively stained cells could be observed in TR. ( B ) There was a statistically significant increase in C3-positive cells in the TR group compared with the other three groups ( p ≤ 0.05). ( C ) Double immunofluorescence staining in the gingiva of a tooth affected by TR. Scale bar 50 μm. Mast cell granules (Avidin) were stained red, while C5 was stained green. In this section, one mast cell was positive for C3, marked by a white arrow.
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Image Search Results


( A ) Immunohistochemical staining of complement factor C3 in the gingiva of the controls (C) ( n = 4) and cats affected by gingivitis (G) ( n = 6), periodontitis (PD) ( n = 9) or tooth resorption (TR) ( n = 12). Images were obtained at 400× magnification. In the control and gingivitis groups, no positively stained cells were observed. Two C3-positive cells were seen in periodontitis, marked by black arrows. The greatest number of positively stained cells could be observed in TR. ( B ) There was a statistically significant increase in C3-positive cells in the TR group compared with the other three groups ( p ≤ 0.05). ( C ) Double immunofluorescence staining in the gingiva of a tooth affected by TR. Scale bar 50 μm. Mast cell granules (Avidin) were stained red, while C5 was stained green. In this section, one mast cell was positive for C3, marked by a white arrow.

Journal: International Journal of Molecular Sciences

Article Title: Increased Presence of Complement Factors and Mast Cells in Alveolar Bone and Tooth Resorption

doi: 10.3390/ijms22052759

Figure Lengend Snippet: ( A ) Immunohistochemical staining of complement factor C3 in the gingiva of the controls (C) ( n = 4) and cats affected by gingivitis (G) ( n = 6), periodontitis (PD) ( n = 9) or tooth resorption (TR) ( n = 12). Images were obtained at 400× magnification. In the control and gingivitis groups, no positively stained cells were observed. Two C3-positive cells were seen in periodontitis, marked by black arrows. The greatest number of positively stained cells could be observed in TR. ( B ) There was a statistically significant increase in C3-positive cells in the TR group compared with the other three groups ( p ≤ 0.05). ( C ) Double immunofluorescence staining in the gingiva of a tooth affected by TR. Scale bar 50 μm. Mast cell granules (Avidin) were stained red, while C5 was stained green. In this section, one mast cell was positive for C3, marked by a white arrow.

Article Snippet: Histamine (1:250, rabbit polyclonal antibody to histamine; Abcam ab37088, Cambridge, UK), complement factor C3 (1:75, mouse monoclonal antibody to activated C3, Hycult biotech HM2168, Uden, Netherlands), complement factor C5a (1:50, rabbit polyclonal antibody to C5a; Abbiotech 250565, Escondido, CA, USA) and C5a receptor (1:150, rabbit polyclonal antibody to C5R1; Abcam 59390) were detected by immunohistochemical staining.

Techniques: Immunohistochemical staining, Staining, Double Immunofluorescence Staining, Avidin-Biotin Assay