Heat shock protein 27 concentrations are lower in patientswith type 1 diabetes mellitus than in healthy controls andcorrelates with large nerve fibre dysfunction

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Pourhamidi, KavehUmeå universitet,Allmänmedicin (author)

Heat shock protein 27 concentrations are lower in patientswith type 1 diabetes mellitus than in healthy controls andcorrelates with large nerve fibre dysfunction

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LIBRIS-ID:oai:DiVA.org:umu-79468
https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-79468URI

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Objective Heat shock protein 27 (HSP27) may contribute to the survival of neurons. Our aims were to study whether HSP27 concentrations differ between individuals with and without type 1 diabetes, and evaluate the relationship between the progression of peripheral nerve dysfunction and HSP27 concentrations.Research Design and Methods Type 1 diabetes patients (n=27, 41% women; mean age 41±8 years) were recruited in 1992 with a follow-up in 2005; serum HSP27 concentrations were determined in baseline and follow-up samples and compared to non-diabetic controls (n=397, 34% women; mean age 43±14 years). The type 1 diabetes patients underwent nerve conduction studies and thermal and vibration perception threshold tests at baseline and at follow-up. Reference data was used to standardise results for age, height and sex by calculating the Z-scores. Delta changes in HSP27 (follow-up HSP27 – baseline HSP27) and small and large nerve fibre function were used for correlation analyses.Results Type 1 diabetes patients had lower HSP27 concentrations at baseline (mean HSP27547 pg/ml, 95% CI 421, 711) and at follow-up (mean HSP27 538 pg/ml, 95% CI 417,693) compared to healthy controls (mean HSP27 785 pg/ml, 95% CI 732, 842; p<0.05 for both comparisons). Deteriorating large nerve fibre function correlated with delta HSP27 concentrations in type 1 diabetes (r=0.50, p=0.01).Conclusions Patients with type 1 diabetes had lower HSP27 concentrations than non-diabetic controls and progression of large nerve fibre dysfunction correlated with decreasing HSP27 concentrations during the follow-up period. This could be indicative ofinsufficient neuroprotection in type 1 diabetes.

Subject headings and genre

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Allmänmedicin hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine General Practice hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Endokrinologi och diabetes hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Endocrinology and Diabetes hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Neurologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Neurology hsv//eng

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Skärstrand, HannaDepartment of Clinical Sciences, Malmö, Lund University, Skåne University Hospital, Sweden (author)
Dahlin, Lars BDepartment of Clinical Sciences, Malmö, Hand Surgery, Skåne University Hospital, Lund University, Malmö, Sweden (author)
Rolandsson, OlovUmeå universitet,Allmänmedicin(Swepub:umu)olro0005 (author)
Umeå universitetAllmänmedicin (creator_code:org_t)

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