​Totalproteinisanon-specificmeasureofthetotalamountofallproteinspresentinasolution. Itisusedtoexaminechangesinoverallproteinsecretioninbloodorsalivathatareassociatedwithdiseasestates,ortolookfordifferencesintheratioofspecificproteins(orotheranalytes)tototalproteinthatexistindifferentoralfluidsorthatoccurinresponsetophysiologicalchangesordiseasestates.(1,2,3,4,5,6)TotalproteinisalsosometimesusedtonormalizeconcentrationsofvarioussalivaryproteinssuchasSIgAindifferentsamples,sinceconcentrationscanvarysignificantlyinresponsetostimulationoralterationsofsalivaflow.(5) Ithasbeensuggested,however,thatthispracticemaybemisleADIngbecauseofdifferencesthatexistinthecontrolofsecretionofindividualsalivaryproteinsamongthedifferentsalivaryglands.(7,8,9) Changesintotalproteininsalivaandgingivalcrevicularfluidhavebeenexaminedinrelationtothepresenceofperiodontaldisease,anditmayhavesomeuseasaMarkerofcertaindiseaseconditions.(10,11)

OurlaboratoryusesaPiercebicinchoninicacidassay(BCAassay),whichiscompatIBLewithvariouschemicalsinbuffersthatcancauseinterferenceinotherproteindeterminationmethods,suchastheolderLowrymethod.​

1. deOliveira,V.N.,Bessa,A.,Lamounier,R.P.,etal.(2010). Changesinthesalivarybiomarkersinducedbyanefforttest. IntJSportsMed,31(6),377-81.
2. Aydin,S.(2007).Acomparisonofghrelin,glucose,alpha-amylaseandproteinlevelsinsalivafromdiabetics. JBiochemMolBiol,40(1),29-35.
3. Sivakumar,T.,Hand,A.R.,Mednieks,M.(2009). Secretoryproteinsinthesalivaofchildren. JOralSci,51(4),573-80.
4. Shi,D.,Meng,H.,Xu,L.,etal.(2008). Systemicinflammationmarkersinpatientswithaggressiveperiodontitis:Apilotstudy. JPeriodontol,79(12),2340-46.
5. Lee,J.Y.,Chung,J.W.,Kim,Y.K.,etal.(2007). Comparisonofthecompositionoforalmucosalresidualsalivawithwholesaliva. OralDis,13(6),550-54.
6. Furuholm,J.,Sorsa,T.,Qvarnstrom,M.,etal.(2006). Salivarymatrixmetalloproteinase-8inpatientswithandwithoutcoronaryheartdiseasemayindicateanincreasedsusceptibilitytoperiodontaldisease. JPeriodontalRes,41(5),486-89.
7. Brandtzeg,P.(2007).Dosalivaryantibodiesreliablyreflectbothmucosalandsystemicimmunity? AnnNYAcadSci,1098,288-311.
8. Rudney,J.D.,Smith,Q.T.(1985).Relationshipsbetweenlevelsoflysozyme,lactoferrin,salivaryperioxidase,andsecretoryimmunoglobulinAinstimulatedparotidsaliva. InfectImmun,49(3),469-75.
9. Bishop,N.C.,Gleeson,M.(2009).Acuteandchroniceffectsofexerciseonmarkersofmucosalimmunity. FrontBiosci,1(14),4444-56.
10. Burgener,B.,Ford,A.R.,Situ,H.,etal.(2010). BIOLOGicmarkersforodontogenicperiradicularperiodontitis. JEndod,36(8),1307-10.
11. Andersen,E.,Dessaix,I.M.,Mombelli,A.(2010). Myeloid-relatedprotein(MRP8/14)expressioningingivalcrevicefluidinperiodontalhealthanddiseaseandaftertreatment. JPeriodontRes,45(4),458-63.

Salimetrics supports thousands of saliva researchers in more than 20 countries around the world. Salimetrics assays have been used in more saliva-related published papers than any other assay in the field, and our customer support staff is unparalleled. We look forward to assisting your research for many years to come.

Making Meaningful Impact Is Our Goal.

• Discovery – We provide the tools that help others uncover relationships between biology, behavior, social forces, and health. 

• Science – We encourage application of systematic, rigorous, logical, evidence-based, reliable, valid, well-planned thought to all that we do.

• Innovation – We want to operate at the cutting edge. 

• Collaboration – We acknowledge there is more to be done that we can accomplish on our own.

• Impact – We selectively invest our time and resources in projects, services and products that will make a difference.

Headquartered in the United States with offices in Europe and global distribution capabilities, Salimetrics represents worldwide opportunity in salivary collection, analysis and research.

Learn more about Salimetrics—our full-service saliva testing service (the SalivaLab) and Centers of Excellence initiative, global partnerships, the people paving the way in saliva research and the individuals and institutions who rely on Salimetrics—and it’s plain to see the future of salivary bioscience is both bright and exciting!