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kDa in Medical News

Why does aspirin increase the susceptibility of Helicobacter pylori to antimicrobials?

...embrane of H. pylori . However, the expression of two OMP bands between 55 kda and 72 kda altered in the presence of aspirin. The expression of the mRNA of hopA, hop...

Estrogen and progesterone receptor isoforms expression in the stomach of Mongolian gerbils

...ms. Tissues from rats treated in the same way were used as control. Specific bands were detected for ER-alpha (68 kDa), and PR isoforms (85 and 120 kda for PR-A and PR-B isoforms, respectively) in uteri, gastric antrum and corpus. We could not detect ER-beta isoform. PR isoforms were not regulated by ...

How do Lactobacilli treat Helicobacter pylori-related diseases?

...H. pylori SS1-LPS-activated TLR4 signaling transduction as viable LBG. In a recent novel study, two soluble proteins with molecular sizes of 75 and 40 kda were purified from supernatant recovered from Lactobacillus rhamnosus GG culture MRS broth and named p75 and p40 respectively, which ameliorated apopt...

Bruker Daltonics Showcasing Novel Proteomics Solutions Based on Mass Spectrometry at the 7th HUPO World Congress 2008

...ution that can resolve 3+ and 4+ charge states of peptides on-the-fly at full analytical speed, ETD/PTR on the HCT-Ultra can even be used for up to 12 kda proteins and beyond. MALDI-TDS™ Top-Down Sequencing (TDS) solution provides unparalleled levels of information from undigested proteins in pharm...

Schizophrenia Gene May Have On/Off Switch

...ain cells in brain tissue from the part of the brain associated with schizophrenia. The mutated mice also had abnormal levels of two proteins -- 25 kda synaptosome-associated protein (SNAP-25) and lissencephaly-1, which are both known to be important to brain cell development and growth. Prior studies...

A Mushroom Extract May Impact the Body’s Immune Syste

...o untreated, negative control samples. Many immunologically relevant proteins, including many known to regulate immune responses, fall within the 1-30 kda range. Conclusions The findings from this research study suggest that protein-bound, polysaccharide-rich fractions of Trametes versicolor PSK m...
kDa in Medical Technology

BioVascular Inc. Closes $10.87 Million Series C Financing

...e investment, and we look forward to assisting the team as the company grows." About Saratin BioVascular's most advanced compound, saratin is a 12 kda polypeptide originally identified as a component of leech saliva (Hirudo medicinalis) and currently produced as a recombinant protein in yeast. The po...
kDa in Medical Products

Bullous Pemphigoid (180 kDa & 230 kDa) Antigens, IgG

Description: ARUP Laboratories is a national reference laboratory and a worldwide leader in innovative laboratory research and development. ARUP offers an extensive test menu of highly complex and unique medical tests in clinical and anatomic pathology. Owned by the University of Utah, ARUP Laboratories' client...
Company:ARUP Laboratories

ALS, Total ELISA Test

Description:... IGFs in human serum are mostly confined to a ~150 kda GH-dependent ternary protein complex consisting of...dification would result in dissociation of the 150 kda complex into acid-stable IGF (~7.5 KDa) and IGFBP-...ample would no longer support formation of the 150 kda complex [7,8]. The existence of ALS was later con...
Company:Diagnostic Systems Laboratories, Inc.

IGFBP-4 ELISA Test

Description:... Insulin-like growth factor binding protein 4 (IGFBP-4) is a 24 kda protein which specifically binds and modulates the actions of IGF-I and IGF-II. It is also present in a glycoslyated form with a molecular weight of 2...
Company:Diagnostic Systems Laboratories, Inc.

IGF-II, w/ Extraction IRMA Test

Description:... Insulin-like growth factor II (IGF-II) is a 7.5 kda peptide which is secreted primarily by the liver and is postulated to have mitogenic and metabolic actions involved in cellular growth. The actions of...
Company:Diagnostic Systems Laboratories, Inc.

IGF-II, w/ Extraction ELISA Test

Description:... Insulin-like growth factor II (IGF-II) is a 7.5 kda peptide which is secreted primarily by the liver and is postulated to have mitogenic and metabolic actions involved in cellular growth. The actions of...
Company:Diagnostic Systems Laboratories, Inc.

IGF-II, Non-Extraction IRMA Test

Description:... Insulin-like growth factor II (IGF-II) is a 7.5 kda peptide which is secreted primarily by the liver and is postulated to have mitogenic and metabolic actions involved in cellular growth. The actions of...
Company:Diagnostic Systems Laboratories, Inc.

IGF-II, Non-Extraction ELISA Test

Description:... Insulin-like growth factor II (IGF-II) is a 7.5 kda peptide which is secreted primarily by the liver and is postulated to have mitogenic and metabolic actions involved in cellular growth. The actions of...
Company:Diagnostic Systems Laboratories, Inc.

MIS/AMH ELISA Test

Description:... Mullerian Inhibiting Substance (MIS), also known as Anti-Mullerian Inhibiting Substance (AMH), is a glycoprotein dimer composed of two 72 kda monomers linked by disulfide bridges (1). MIS/AMH belongs to the transforming growth factor-? (TGF-?) superfamily which includes TGF-? and the various...
Company:Diagnostic Systems Laboratories, Inc.

AFP ELISA Test

Description:... Alpha Fetoprotein (AFP) is a 68 kda protein, which is produced primarily during fetal life by the fetal liver and yolk sac [1]. Human fetal serum AFP levels peak at ~14 weeks gestation,...
Company:Diagnostic Systems Laboratories, Inc.

CRP, Ultra-Sensitive ELISA Test

Description:...response can lead to a 1000-fold or greater increase in serum CRP levels. CRP comprises five non-covalently bound subunits forming a discord of 105 kda molecular weight. CRP, a pentraxin family protein, is noteworthy because of the speed and degree to which its concentrations increase after a variety ...
Company:Diagnostic Systems Laboratories, Inc.
kDa in Biological News

Mate choice in plants

...ins with attached carbohydrate components, have been found to be associated with pollen tubes. These proteins, transmitting-tract-specific (TTS), 120 kda glycoprotein (120K), and pistil extension-like protein III (PELPIII), may play a role in movement of S-RNases into the pollen tube vacuoles and, if ne...

The insect vector always bites twice

... immunogenic proteins specific for two Glossinia species investigated (a 42 kda protein in G. fuscipes fuscipes, and 50, 55, 65 and 72 kda proteins in G. morsitans morsitans) could be used to assess specifically th...
kDa in Biological Technology

Improve Recovery and Reproducibility with Pre-Treatment of Analytical TSK-GEL G3000SWXL Size Exclusion Columns

...ucibility and recovery during the analytical SEC analysis of fractions pulled from a multi-step orthogonal purification of a 140 kda apparent molecular weight protein from cell culture feedstock. Introduction: Ideally in size exclusion ...

Use of ZipTip Pipette Tips for Microscale Affinity Mass Spectrometry

...Results and Discussion After acid elution from the ZipTip pipette tip and MALDI-TOF mass spectrometry analysis, a peak at approximately 80 kda was observed in the control experiment (pure transferrin) and the sample studied (breast milk) as shown in Figure 2, spectrum 1 and spectrum 3 respect...

Detection, identification, and quantitation of an olive allergen using Ettan MDLC, MS/MS, and DeCyder MS

... collected using Fraction Collector Frac-950. Fractions were examined using MALDI-ToF MS. Those containing proteins with molecular weights 14–20 kda were pooled and dried in vacuo . Protein reduction, alkylation, and trypsin digestion The pooled, dried fractions from the gel filtrati...

Continuous-Elution Electrophoresis for Purification of the Baculovirus-Expressed Coronavirus Structural Proteins, Rev A

...0 kDa cutoff for the M-protein, and a 30 kda cutoff for the N- and S-proteins. Virus ... 150 kDa, a minor, virus-specific band of 100 kda was detected on both polyacrylamide gels... gels and nitrocellulose membranes, a minor 100 kda protein band in addition to the major 15...

Purification of the Components of Human Macular Carotenoid-Binding Complex, Rev A

...over 40% of the initial quantity of macular carotenoids and the SDS-PAGE indicated one major protein component. The 70 kda protein in this fraction appears analogous to a recently described -carotene binding protein which required a four step, more complex ...

Purification of Phosphoinositide 3-Kinase With UNO Columns

...rat liver is a heterodimer of 110 and 85 kda proteins.Two forms of the 110 kda protein exist, and have similar but not ...cent studies have suggested that the 110 kda protein is the catalytic protein and that the ...

Translate More Protein with Higher Biological Activity

...l) and eukaryotic (Green Fluorescent Protein (GFP) and Rhodanese (Rho)) proteins ranging in size from 10-120 kda can be successfully synthesized using the ActivePro In Vitro Translation Kit. Easy to Use ActivePro...

Recombinant HIV Reverse Transcriptase

... is a heterodimeric protein which is comprised of a 66 kda and a 51 kda subunit. HIV RT is More Thermostable than M-MLV RT...

Double-Affinity Purification of GST-His Tagged Proteins Using Vivapure 8-to-96 Well Cobalt-Chelate Kit

...are often co-purified. A combined, two-step affinity purification can overcome the described drawbacks. Here we report the purification of a 27 kda protein fused to a double-tag (Gluthathione-S-Transferase fused to a poly-histidine tag, GST+HIS; Figure 1) using Vivapure Cobalt-loaded 8-strips. The...

Using the Agilent 2100 bioanalyzer for quality control of protein samples prior to MS-analysis

...s1, 2. Today, the analysis of proteins up to 300 kda using MS has become a routine method to gain mol... NaCl). A molecular weight of approximately 30 kda was expected. The UV chromatogram showed a main ...showed that only a small peak of the expected 30 kda protein is visible in the electropherogram (figu...
kDa in Biological Products

Rabbit Anti-Human F-box hCdc4 (69 kDa isoform) Protein Antibody, Unconjugated from ABR-Affinity BioReagents

Description: Immunogen: Synthetic peptide: M(1) C V P R S G L I L S(11) Storage: -20 C, Avoid Freeze/Thaw Cycles...
Company:ABR-Affinity BioReagents

Rabbit Anti-Human Rab3A Polyclonal Antibody, Unconjugated from Assay Designs/Stressgen Bioreagents

Description:... This antibody detects an ~25 kda band, corresponding to the expected molecular mass of Rab3A, on immunoblots. The antibody specificity is confirmed in peptide inhibition immunoblotti...
Company:Assay Designs/Stressgen Bioreagents

Anti-G Protein Gq / 11a Subunit, Internal Sequence, a.a. 115-133 Polyclonal Antibody, Unconjugated from CHEMICON

Description:... Recognizes the 41 and 43 kda G-proteins present in liver plasma membranes and Gq/11alpha expressed in the Sf9 insect cell expression system. Negative for recombinant G(I)alpha su...
Company:CHEMICON

Rabbit Anti-Human NCF2 Polyclonal Antibody, Unconjugated from Atlas Antibodies

Description:... Neutrophil cytosol factor 2 (NCF-2) (Neutrophil NADPH oxidase factor 2) (67 kda neutrophil oxidase factor) (p67-phox) (NOXA2). [Source:Uniprot/SWISSPROT;Acc:P19878] Antigen: Recombinant Protein Epitope Signature Tag (PrEST)....
Company:Atlas Antibodies

Anti-Laminin alpha 2 (Merosin M chain) Monoclonal Antibody, Unconjugated, Clone 5H2 from CHEMICON

Description:... Reacts with the 80 kda fragment of the M-chain of human merosin....
Company:CHEMICON

Rabbit Anti-Human FAK, phospho (Ser843) Antibody, Unconjugated from Upstate

Description:...se, and rat phospho-FAK (Ser843) Accession Number: NM_153831 Quality Assurance: Routinely evaluated by immunoblot. Molecular Weight: 125 kda Available Date: 38903...
Company:Upstate

Rabbit Anti-Glutamate receptor 1, phospho (Ser845) Polyclonal Antibody, Unconjugated from GeneTex

Description:...amino acid residues surrounding the phosphoSer845 of the GluR1 subunit of the AMPA subtype of glutamate receptor. Specificity: Is specific for 100 kda GluR1 phosphorylated at Ser845. Immunolabeling is blocked by the phosphopeptide but not by the dephosphopeptide....
Company:GeneTex

Rabbit Anti-Human DAP-1 Monoclonal Antibody, Unconjugated from Upstate

Description:...P-1, Rabbit Monoclonal Immunogen: KLH-conjugated synthetic peptide corresponding to the C-terminal region of human DAP-1. Molecular Weight: 11 kda Quality Assurance: Routinely evaluated by immunoblot....
Company:Upstate

Rabbit Anti-ZO-1 (N-term) Monoclonal Antibody,, Clone ZMD.437 from Invitrogen

Description:...Immunogen: Synthetic peptide derived from the N-terminal region of human dog mouse and rat ZO-1. Specificity: Specific for the N-terminus of the ~225 kda ZO-1 protein. Reactivity: Human Dog Rat Mouse (positive controls: MDCK-II A431 Caco-2 Rat-1 NRK-52E cells frozen mouse liver heart blood vessel and b...
Company:Invitrogen

Mouse Anti-Human HIF-1 beta Monoclonal Antibody, Unconjugated, Clone H1beta234 from Assay Designs/Stressgen Bioreagents

Description:... This antibody detects an ~92 kda protein corresponding to the apparent molecular mass of the beta subunit of Hypoxia Inducible Factor-1 (HIF-1beta) on Western blots....
Company:Assay Designs/Stressgen Bioreagents
kDa in Biological Dictionary

Tubulin

...les. ... See below for alpha Tubulin antibody images, references, products ... Tubulin is composed of a heterodimer of two closely related 55 kda proteins ... Glycerol can stimulate tubulin polymerization. ... Tubulin protein has been purified from bovine brain by an adaptation of t...

Transcription factor

...actor involved in gene expression in the early development of an organism. The protein is 785 amino acids long, with a molecular weight of 81 kda . The full protein sequence can be found banked... Hormones exert many of their effects by forming transcription factors . ... Sp1 is a zinc...

Streptavidin

...y product is useful for the detection of biotinylated proteins (1,2). Conjugation of horseradish peroxidase (HRP) to streptavidin is ... A 52.8 kda non-glycosylated protein with a very high affinity for biotin. ... unit is defined as the amount of Streptavidin required to bind 1 µg biotin. ......

Sarcoplasmic reticulum

... contains large stores of calcium, ... sarcoplasmic reticulum and human blood platelets using a monoclonal antibody, FIIlb5. ... The 190 kda platelet and sarcoplasmic reticulum proteins were ... The sarcoplasmic reticulum was first obtained as paniculate material from ... Since...

RNA polymerase

... is an enzyme found in eukaryotic cells. It catalyzes the transcription of DNA to synthesize precursors of mRNA and most snRNA and microRNA. A 550 kda complex of 12 subunits, RNAP II is the most studied type of RNA polymerase . A wide range of... An enzyme, an RNA polymerase , binds to the com...

Histone

...pean Bioinformatics Institute ... IPR003958 Transcription factor CBF/NF-Y/archaeal histone ... Histone H4. Transcription initiation factor IID, 18 kda subunit ... This leads to the characteristic replacement of existing histone H3 protein by RI H3 forms. ... However, histone proteins evolv...

Anabaena

...obably the easiest way to observe Anabaena is to remove a dorsal leaf lobe and ... Anabaena sensory rhodopsin transducer (ASRT) is a 14.7 kda soluble signaling. protein associated with the membrane ... The host of ASR and ASRT, Anabaena , is a ... ... the round green cells of Anab...

Actin

...eletal muscle, actin comprises about 15% of the total protein. ... Polymerization of actin in the presence of various ions. ... Actin is a 43 kda protein that is very highly conserved between species. ... Importantly, different actin isotypes have been shown to behave very differently ... ...
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Breaking Biology News(10 mins):Study finds marine protected areas inadequate for protecting fish and ocean ecology 2
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