7 mg/mL and 133 33 IU/mL, respectively The isolated bacterial st

7 mg/mL and 133.33 IU/mL, respectively. The isolated bacterial strain produced high levels of extremophilic cellulase-free xylanase. The fact that it can be used in crude form and that it can be produced cheaply with renewable carbon sources make the process economically feasible. The characteristics of the purified enzyme suggest ERK inhibitor order its potential application in industries such as the paper and pulp industry.”
“Background and Purpose: Automatic brightness control

(ABC), a function of modern fluoroscopy machines, adjusts radiation intensity in real time to enhance image quality. While shielding reduces radiation exposure to protected areas, it is unknown how much radiation adjacent unshielded areas receive when using ABC settings. Our purpose was to assess radiation dosage to shielded and unshielded tissue when using fluoroscopic ABC mode compared with fixed exposure settings.

Materials and Methods:

selleck inhibitor In a simulated ureteroscopy, thermoluminescent dosimeters (TLDs) were placed at three sites in a female human cadaver, including the right renal hilum, right distal ureter adjacent to the uterus, and directly over the uterus. The cadaver received 60 seconds of radiation exposure using a C-arm fluoroscopy system under ABC and fixed settings (1.38 mAs, 66 kVp) with and without uterine shielding. Radiation dosage absorbed by the TLDs was compared using two-way analysis of variance and least-squares confidence intervals.

Results: Shielding significantly reduced radiation dose to the uterus by 62% and 82% (P < 0.05 for both) in ABC and fixed settings, respectively. Shielding of the uterus in ABC, however, resulted in an approximately twofold increase in radiation dosage to the ureter and ipsilateral kidney selleck (P < 0.05 for both) and a decrease in image quality. Using fixed settings, shielding of the uterus did not increase radiation dose to the ipsilateral ureter and kidney.

Conclusion: There

is a significant increase in radiation dosage to surrounding tissues when shielding is used with ABC mode during fluoroscopy. Radiation can be reduced and image quality improved by using fixed settings when shielding is indicated.”
“Clinical and histopathologic differentiation between early acral melanoma and acral nevus is often difficult. Dermoscopy is helpful in this differentiation. On dermoscopy, early acral melanoma shows the parallel ridge pattern showing band-like pigmentation on the ridges of the surface skin markings, whereas a representative dermoscopic pattern in acquired acral nevus is the parallel furrow pattern showing parallel linear pigmentation along the surface furrows. The parallel furrow pattern suggests that melanocytes of acral nevus preferentially proliferate in the crista profunda limitans, an epidermal rete ridge underlying the surface furrow.

In addition, theoretical strength is expected in NWs with D <

In addition, theoretical strength is expected in NWs with D < D-C. Our studies provide a simple, but basic, understanding for the size effect of strengths in single crystalline NWs. (C) 2011 American Institute of Physics. [doi:10.1063/1.3594655]“
“Background: The last decade has seen the emergence of a variety of supine positions for carrying out percutaneous nephrolithotomy (PCNL). These positions all differ with PD0325901 mw regard to ease of puncture under image guidance, operative field availability, ability to make and dilate multiple tracts and ease of combining retrograde intrarenal surgery (RIRS).

As all of these positions have their limitations regarding the important parameters mentioned above, there is a need for a supine position which addresses some of the difficulties. Methods: We describe and illustrate our flank-free modified supine position, which we believe addresses a number of the issues. Results: Our position allows ASP2215 manufacturer easy percutaneous access under fluoroscopy (torso only tilted to around 15), space for placing (flank free of support) and dilating multiple tracts (kidney lies in a fairly neutral position and hence less mobile), a fairly horizontal tract allowing low intrarenal pressures and easy

washout of fragments as well as allowing RIRS in a position of relative familiarity. The lesser torso rotation compared with the Valdivia, Galdakao modified and the Barts modified Valdivia positions also means it

is more comfortable for patients. Conclusions: Our results are encouraging and easily comparable BVD-523 concentration with published series on prone position, Valdivia, complete supine and the Barts modified Valdivia positions. We would like to highlight the Barts ‘flankfree’ modified supine position as one of the standard positions for carrying out supine PCNL. Copyright (C) 2012 S. Karger AG, Basel”
“Cellular gene expression measurements contain regulatory information that can be used to discover novel network relationships. Here, we present a new algorithm for network reconstruction powered by the adaptive lasso, a theoretically and empirically well-behaved method for selecting the regulatory features of a network. Any algorithms designed for network discovery that make use of directed probabilistic graphs require perturbations, produced by either experiments or naturally occurring genetic variation, to successfully infer unique regulatory relationships from gene expression data. Our approach makes use of appropriately selected cis-expression Quantitative Trait Loci (cis-eQTL), which provide a sufficient set of independent perturbations for maximum network resolution. We compare the performance of our network reconstruction algorithm to four other approaches: the PC-algorithm, QTLnet, the QDG algorithm, and the NEO algorithm, all of which have been used to reconstruct directed networks among phenotypes leveraging QTL.

Journal of Human Hypertension (2010) 24, 639-645; doi:10 1038/jhh

Journal of Human Hypertension (2010) 24, 639-645; doi:10.1038/jhh.2010.1; published online 11 February 2010″
“This paper describes the development of a concept to measure the safety of the food chain in Belgium based on the ‘Pressure-State-Response’ model. The actual measurement tool or barometer consists of a measurement of the ‘State’ based on a set of indicators. The present paper discusses the elaboration of a set of 30 food safety indicators (FSIs) as the basis of the food safety barometer. These indicators were weighted by expert opinion in order to determine their relative weight to be considered in the barometer. Food safety was reflected in a composite

and agreed upon set of indicators related to i) the compliance Blasticidin S research buy AZD9291 inhibitor to action limits/criteria for selected chemical and microbial hazards, ii) the implementation of preventive and control measures to mitigate food safety throughout the food chain from farm to fork and iii) the reported number of foodborne outbreaks and reported cases of some selected zoonotic agents (Salmonella sp. and Listeria monocytogenes). As food safety remains an abstract term and no quantitative value could be attributed (also due to

lack of quantitative food safety objectives), the option was taken to document the status of food safety in a relative manner by comparing the results of the set of indicators of the current year with the previous year. By comparing the years 2007, 2008 and 2009 it was concluded that the status of the global food safety in Belgium was high and an upward trend could be observed. Statistical analysis on each of the individual indicators was performed, however since at present a restricted data set is available (2009 versus

2008 and 2008 versus 2007) no trend analysis could yet be performed. The barometer provides a helicopter view of the status of food safety in Belgium and is a tool to communicate in an intelligible, comprehensible manner on aspects of food safety to consumers and other stakeholders in the food chain. The methodology and results of the survey for the ‘Pressure’ and ‘Response’ collection from the Belgian DMXAA cost stakeholders in the food chain will be discussed in another manuscript. (C) 2011 Elsevier Ltd. All rights reserved.”
“Composites of polyvinylidene fluoride (PVDF) filled with different conductive fillers as carbon black (CB), nickel (Ni), zinc (Zn), and tungsten (W), respectively, were prepared at same processing condition. The temperature dependence of dielectric behaviors of composites was studied at wide filler concentration and wide frequency ranges. Results show that there are giant dielectric constants as the concentration of filler is near the percolation threshold. The dielectric constants of all studied composites decrease slowly with increasing of frequency and rise gradually with increasing filler contents in the composites.

The gene was cloned and expressed in Pichia pastoris, and the cys

The gene was cloned and expressed in Pichia pastoris, and the cysteine peptidase was successfully expressed, secreted, and purified using affinity chromatography with a yield of approximately 10 mg/L. A polyclonal antibody produced against cysteine peptidase from X. citri subsp citri fused with HIS tag ((HIS)CPXAC) recognized the purified recombinant cysteine peptidase (HIS)CPXAC, confirming the correct production of this protein

in P. pastoris. The same antibody detected the protein in the culture supernatant of Xac grown in pathogenicity-inducing medium. Kinetic analysis revealed that (HIS)CPXAC hydrolyzed the carbobenzoxy-Leu-Arg-7-amido-4-methylcoumarin Akt inhibition substrate with a catalytic efficiency (k(cat)/K-m) of 47 mu M-1.s(-1). The purified (HIS)CPXAC displayed maximal catalytic activity at pH 5.5 and 30 degrees C. The recombinant enzyme was inhibited by the specific cysteine peptidase inhibitor E-64, as well as by the recombinant cysteine peptidase inhibitors CaneCPI-1, CaneCPI-2, CaneCPI-3, and CaneCPI-4, with K-i values of 1.214, 84.64, 0.09, 0.09, and 0.012 nM, respectively. Finally, the N-terminal sequencing of the purified protein enabled the identification of

the first 5 amino acid residues (AVHGM) immediately after the putative signal peptide, thereby enabling the identification of the cleavage point and corroborating previous studies that have identified this sequence GANT61 in a secreted protein from Xanthomonas spp.”
“PURPOSE: To study the impact on the subjective depth of field of 4th-order spherical aberration and its combination with 6th-order spherical aberration find more and analyze the accuracy of image-quality metrics in predicting the impact.

SETTING:

Laboratoire Aime Cotton, Centre National de la Recherche Scientifique, Universite Paris-Sud, Orsay, France.

DESIGN: Case series.

METHODS: Subjective depth of field was defined as the range of defocus at which the target (3 high-contrast letters at 20/50) was perceived acceptable. Depth of field was measured using 0.18 diopter (D) steps in young subjects with the addition of the following spherical aberration values: +/- 0.3 mu m and +/- 0.6 mu m 4th-order spherical aberration with 3.0 mm and 6.0 mm pupils and +/- 0.3 mu m 4th-order spherical aberration with +/- 0.1 mu m 6th-order spherical aberration for 6.0 mm pupils.

RESULTS: The addition of 0.3 and +/- 0.6 mu m 4th-order spherical aberration increased depth of field by 30% and 45%, respectively. The combination of 4th-order spherical aberration and 6th-order spherical aberration of opposite signs increased depth of field more than 4th-order spherical aberration alone (ie, 63%), while the combination of 4th-order spherical aberration and 6th-order spherical aberration of the same signs did not (ie, 24%). Whereas the midpoint of the depth of field could be predicted by image-quality metrics, none was found a good predictor of objectionable depth of field.

Study design The authors

present 83 patients with variou

Study design. The authors

present 83 patients with various types of maxillary defects that were reconstructed with different microvascular free flaps. All clinical data, including data on the functional and aesthetic outcome, are analyzed.

Results. Flap transfer was successful in 80 of 83 patients who underwent maxillary see more reconstruction. Separation of the oral and nasal cavities was achieved in all cases. Flap compromise occurred in 6 cases, which made revision necessary. Three of these flaps were salvaged and 3 flaps failed. In 10 of 28 patients with transferred bone, osseointegrated implants were inserted and dentally rehabilitated with excellent functional and aesthetic results.

Conclusion. Various types of maxillary defects can be reconstructed successfully using different microvascular free flaps. This procedure is challenging because of the anatomical site of reconstruction creating a steep learning curve. If the FG-4592 clinical trial reconstruction is successful, both facial appearance and oral function can be improved. Microvascular flaps containing bone of the fibula, scapula, or iliac crest facilitate complete dental rehabilitation. (Oral Surg

Oral Med Oral Pathol Oral Radiol Endod 2011;111:51-57)”
“Background: Extracellular superoxide dismutase (EC-SOD) is an anti-oxidant enzyme found in the extracellular matrix of tissues, and plays an important role in the prevention of many diseases caused by oxidative stress. However, other functions of EC-SOD in epidermis are not well known.

Objective: We investigated the functions of EC-SOD in epidermis using keratinocyte cell line and EC-SOD transgenic mice.

Methods: Expression of galectin-7 in pEC-SOD transfected cells or skin of EC-SOD transgenic mice was detected by western blot analysis. The percentage of apoptotic cells was determined by propidium iodide staining and subsequent FACS analysis. COX-2 siRNA or scrambled siRNA was transfected into HaCaT cells and western blot analysis was performed to detect pro-apoptotic protein levels.

Results: Copanlisib molecular weight The epidermis

of EC-SOD transgenic mice was thinner than wild type mice. In addition, we showed that the thin epidermis of EC-SOD transgenic mice results from the apoptosis of epidermal cells. To elucidate which molecules are involved in EC-SOD-induced apoptosis, we utilized two-dimensional electrophoresis; the results showed that the epidermis of EC-SOD transgenic mice produces more galectin-7, a pro-apoptotic factor, than the wild type. Furthermore, we showed that the transfection of EC-SOD-expressing plasmids induces the production of galectin-7, and pro-apoptotic proteins in keratinocytes. This suggests that EC-SOD induces apoptosis through increased galectin-7 expression. Finally, we demonstrated that EC-SOD-induced galectin-7 results from the production of COX-2.

(C) 2010 Elsevier Ltd All rights reserved “
“The chemical g

(C) 2010 Elsevier Ltd. All rights reserved.”
“The chemical graft copolymerization reaction of acrylonitrile (AN) onto paper sheet was performed. The effect of initiator concentration, monomer concentration, and temperature on the reaction rate was studied. The reaction rate equation of the graft copolymerization reaction is found to be R(P) = K(2) [initiator](0.54)[monomer](1.13). The apparent activation

energy (E(a)) of the copolymerization reaction is found to be 35.99 KJ/mol. The infrared characteristic absorption bands for cellulosic paper structure and the paper gr-AN are studied. Tensile break load, porosity, and burst strength were measured for the grafted and pure paper Cyclopamine datasheet sheet. It was found that the mechanical properties are improved by grafting. The chemical resistance of the graft product against strong acid (HCl), strong alkali (NaOH), polar

and nonpolar solvents was investigated. It was found that the resistance to these chemicals is enhanced by grafting. From the TGA and DTA data, it is clear that the grafted paper sheet is more thermally stable than pure paper sheet. (C) 2010 Wiley Periodicals, Inc. J Appl Polym selleck products Sci 120: 1411-1419, 2011″
“The history of vaccines for respiratory syncytial virus (RSV) illustrates the complex immunity and immunopathology to this ubiquitous virus, starting from the failed formalin-inactivated vaccine trials performed in the 1960s. An attractive alternative to traditional live or killed

virus vaccines is a defined vaccine composed of discrete antigenic epitopes for which immunological activities have been characterized as comprehensively as possible. Here we present cumulative data on murine and human CD4, CD8 and neutralization epitopes identified in RSV proteins along with information regarding their associated immune responses and host-dependent variability. Identification and characterization of RSV epitopes is a rapidly expanding topic of research with potential contributions to the tailored design of improved ZD1839 Protein Tyrosine Kinase inhibitor safe and effective vaccines.”
“The main purpose of this paper was to study the effect of selected additives, NaCl, NaHSO3, ascorbic acid, cysteine and allicin, on acrylamide (AA) formation in asparagine/fructose (Asn/Fru) and asparagine/glucose (Asn/Glc) by microwave processing. Our results showed that NaHSO3 and cysteine had the best reduction rate on AA formation, but the browning would be influenced by the addition of these additives. Ascorbic acid is another good inhibitor for AA formation both in Asn/Fru and Asn/Glc model systems, but the browning would be inhibited by the high concentration of ascorbic acid. Natural antioxidants are attractive candidates for the development of effective inhibitors for AA formation. In the present study, allicin effectively reduced AA formation and achieved a maximum reduction rate of >50% for the use of allicin at a concentration of 0.0375% in Asn/Fru model system.

History: The first published account of allograft tympanoplasty i

History: The first published account of allograft tympanoplasty is by Ned Chalat in 1964; however, whether he was the first to use the technique is controversial. In 1966, Jean Marquet published the first clinically successful use of allograft tympanic membranes. Since that time, a number of surgeons have trialed both en bloc tympano-ossicular

techniques and tympanomeatal techniques with separate ossicle interposition or columellar reconstruction, often with considerable success. The advent of the human immunodeficiency virus and Creutzfeldt-Jakob’s https://www.selleckchem.com/products/frax597.html disease resulted in a reduction in its application; however, a number of centers are still successfully using the technique in their current practice.

Conclusion: Whether allograft tympanoplasty will have a place in the future of otology remains to be seen, but an understanding of the history of this technique is essential in evaluating its merit.”
“Neonatal hemochromatosis is a difficult disorder to cure, and it has a high rate of recurrence. High-dose immunoglobulin treatment is very effective as prenatal treatment

for recurrent neonatal hemochromatosis. A 34-year-old pregnant Japanese woman underwent high-dose immunoglobulin treatment for recurrent neonatal hemochromatosis. High-dose non-specific intravenous immunoglobulin (1 g/kg bodyweight) was administered to the mother intravenously selleck products every week from 18 until 36 gestational

weeks. A male infant was delivered at 37 weeks of gestation, and his condition was favorable, including hepatic function. The use of ?-globulin for neonatal hemochromatosis appears adequately validated by experience.”
“Serum C-reactive protein (CRP) elevation is associated with poor clinical outcome in patients with heart failure (HF). We previously reported that CRP exacerbates the development of pressure overload-induced cardiac remodeling through an enhanced inflammatory response and oxidative stress. In the present selleck kinase inhibitor study, we examined the effect of eicosapentaenoic acid (EPA), a suppressor of inflammatory response and oxidative stress, on pressure overload-induced cardiac remodeling. Transverse aortic constriction (TAC) was performed on transgenic mice overexpressing CRP (CRPtg) and nontransgenic littermates (TAC/CON). CRPtg with TAC operation were randomly assigned to be fed a standard diet (TAC/CRPtg) or an EPA-enriched diet (7 % of total energy) (TAC/CRPtg/EPA). Myocardial mRNA level of transforming growth factor-beta 1, proinflammatory cytokines, and oxidative stress markers were increased in TAC/CRPtg in comparison with TAC/CON 1 and 4 weeks after the operation. These parameters were significantly suppressed in TAC/CRPtg/EPA compared with TAC/CRPtg.

S Food and Drug Administration

Main Outcome Measure(

S. Food and Drug Administration.

Main Outcome Measure(s): Paired comparisons of postoperative monosyllabic word recognition scores obtained with the implant alone and in the usual listening condition (CI alone or bimodal).

Results: With the cochlear implant alone,

individuals who received the implant in a sound-deprived ear obtained poorer scores than individuals who received the implant in the aided ear. There was no significant difference, however, in speech recognition results for the 2 groups when tested in their usual listening condition. In particular, poorer speech recognition scores were obtained with the cochlear implant alone by individuals using bimodal hearing.

Conclusion: Similar clinical outcomes of cochlear implantation can be achieved by adults with a long-term monaural

sound deprivation when comparing the usual listening condition, https://www.selleckchem.com/JNK.html irrespective of whether the implant is in the sound-deprived or in the aided ear.”
“A best evidence topic was written according to a structured protocol. The question addressed was whether totally endoscopic coronary artery bypass (TECAB) is safe, effective and feasible. A total of 171 papers were found, of which eight represented the best evidence. The authors, date, journal, study type, population, main outcome measures and results are tabulated. The da Vinci robotic system was utilized in seven retrospective studies and one multicentre prospective trial, comprising 724 patients undergoing TECAB. Patient-related outcomes, including the incidence of major adverse cardiac events, graft patency and survival, were investigated. From the studies evaluated, TECAB appears to be safe operation Buparlisib manufacturer with low complication rates and excellent early- and mid-term graft patencies. The incidence of internal thoracic artery injury was documented in four studies and ranged from 0 to10%. Re-exploration for bleeding was necessary in 1-15% of patients. Conversion to open techniques was performed in 0-24% of cases. There was DNA Damage inhibitor no in-hospital mortality in the majority of studies, but this reached 2.1% in a large series of 228 patients. Target-vessel reintervention rates varied between 0 and 12.1% according to the institutional

experience. Pre- and post-discharge graft patencies were excellent at 93-100 and 92-100%, respectively. Intraoperative variables, such as time taken for internal thoracic artery harvest, anastomosis, cross-clamp, cardiopulmonary bypass (CPB) and the overall operation were as follows: internal thoracic artery harvest time (range 5-187 min), anastomosis time (range 6-82 min), cross-clamp time (range 30-223 min), CPB time (range 41-268 min) and operative time (range 84-600 min). TECAB is a technically demanding and time-consuming procedure associated with a significant learning curve. Proctoring and structured training programmes are currently supported by European and international societies to encourage wider uptake of the procedure.

05 +/- 4 77 vs 16 13 +/- 4 36, p=0 04) was significantly lower a

05 +/- 4.77 vs. 16.13 +/- 4.36, p=0.04) was significantly lower and scores of cognitive functioning (53.18 +/- 29.46 vs. 26.79 +/- 7.31 and 96.94 +/- 44.59 vs. 58.07 +/- 15.43, p=0.001) were significantly higher (showing worse psychomotoric speed) in patients with TS than in the controls. Quality of life (9.53 +/- 5.19 vs. 6.35 +/- 4.19, p=0.03) in girls with

TS was significantly worse than in healthy girls of the same age.

Conclusion, patients with Turner syndrome are shorter, have lower weight, higher waist-to-hip ratio, impaired cognitive functions (worse psychomotoric speed), altered emotional state (higher tension-anxiety and depression-dejection, lower vigor-activity scores) and lower quality of life than age- and sex-matched controls.”
“Transcription factor (TF) regulation is often post-translational. TF modifications such as reversible phosphorylation and missense mutations, which can act independent see more https://www.selleckchem.com/products/SB-203580.html of TF expression level, are overlooked by differential expression analysis. Using bovine Piedmontese myostatin

mutants as proof-of-concept, we propose a new algorithm that correctly identifies the gene containing the causal mutation from microarray data alone. The myostatin mutation releases the brakes on Piedmontese muscle growth by translating a dysfunctional protein. Compared to a less muscular non-mutant breed we find that myostatin is not differentially expressed at any of ten developmental time points. Despite this challenge, the algorithm identifies the myostatin smoking gun’ through a coordinated, simultaneous, weighted integration of three sources of microarray information: transcript abundance, differential expression, and differential wiring. By asking the novel question “”which regulator is cumulatively most

differentially wired to the abundant most differentially expressed genes?”" it yields the correct answer, “”myostatin”". Our new approach identifies causal regulatory changes by globally contrasting co-expression network dynamics. The entirely data-driven ‘weighting’ procedure emphasises regulatory movement relative to the phenotypically relevant part of the network. In contrast to other published methods that compare co-expression networks, significance testing is not used AZD8055 price to eliminate connections.”
“The ability of Tinuvin 622, a Hindered Amine Stabilizer (HAS), in decreasing of radiation damage to commercial PMMA matrix used in manufacturing of medical supplies was examined. Effects of gamma irradiation in PMMA specimens irradiated at dose range of 10-60 kGy were assessed by comparison of the variation of viscosity average molar mass (M-nu) of PMMA with Tinuvin 622 (PMMA-622) when compared with PMMA without the additive (PMMA-control). Samples containing Tinuvin 622 presented smaller decrease of M-nu as a function of dose. This phenomenon causes direct influence in the mechanical properties of PMMA.

(C) 2012 Osteoarthritis Research Society International Published

(C) 2012 Osteoarthritis Research Society International. Published BMS-777607 molecular weight by Elsevier Ltd. All rights reserved.”
“Purpose of review

There is an increasing interest in improving the understanding of pathophysiology, outcome measures, and therapies

of rheumatic skin disease. Increasingly, studies are using the skin as a primary endpoint for evaluating therapies. This will review the current state of the art for the most common rheumatic skin diseases.

Recent findings

A number of medications, including biologics such as tumor necrosis factor a and interferon, have been associated with onset of cutaneous lupus. The cutaneous lupus erythematosus area and severity index has been further validated and utilized in a number of studies. Smoking continues to be associated both with presence and refractoriness of cutaneous lupus erythematosus

to therapy. There are several tools now available for evaluating the skin disease of dermatomyositis, but there is a need for new effective therapies. Measurement of skin disease in scleroderma continues to be a challenge, and there is a need for more effective therapies. Several studies show efficacy of intravenous iloprost for severe Raynaud’s and skin ulcers, and of bosentan for digital ulcers.

Summary

The present review covers new outcome measures, treatments, and unusual manifestations of cutaneous lupus, dermatomyositis, scleroderma, and rheumatoid arthritis. There have been a number of new studies related FDA-approved Drug Library manufacturer Stattic solubility dmso to validation of disease activity measures, as well as their use in evaluation of new therapies for these conditions. Validated outcome measures are required to perform meaningful studies, and will facilitate organized epidemiologic, quality of life, and therapeutic studies.”
“Objective: Upward migration of the subchondral bone plate is associated with osteochondral repair. The aim of this study was to quantitatively monitor the sequence of subchondral bone plate

advancement in a lapine model of spontaneous osteochondral repair over a 1-year period and to correlate these findings with articular cartilage repair.

Design: Standardized cylindrical osteochondral defects were created in the rabbit trochlear groove. Subchondral bone reconstitution patterns were identified at five time points. Migration of the subchondral bone plate and areas occupied by osseous repair tissue were determined by histomorphometrical analysis. Tidemark formation and overall cartilage repair were correlated with the histomorphometrical parameters of the subchondral bone.

Results: The subchondral bone reconstitution pattern was cylindrical at 3 weeks, infundibuliform at 6 weeks, plane at 4 and 6 months, and hypertrophic after 1 year. At this late time point, the osteochondral junction advanced 0.19 [95% confidence intervals (Cl) 0.10-0.30] mm above its original level. Overall articular cartilage repair was significantly improved by 4 and 6 months but degraded after 1 year.