Browsing by Author "Athanasiou, Yiannis"
Now showing items 1-19 of 19
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C3 glomerulonephritis/CFHR5 nephropathy is an endemic disease in cyprus: Clinical and molecular findings in 21 families
Constantinou-Deltas, Constantinos D.; Gale, D.; Cook, T.; Voskarides, Konstantinos; Athanasiou, Yiannis; Pierides, Alkis M. (2013)Microscopic haematuria is the presenting symptom of several conditions, either heritable or acquired. A well-recognized familial condition is Alport syndrome, either of X-linked or autosomal recessive inheritance, as well ...
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Clinical course and outcome after kidney transplantation in patients with C3 glomerulonephritis due to CFHR5 nephropathy
Frangou, Eleni; Varnavidou-Nicolaidou, Agathi; Petousis, Panayiotis; Soloukides, Andreas; Theophanous, Elena; Savva, Isavella; Michael, Nicos; Toumasi, Elpida; Georgiou, Dora; Stylianou, Galatia; Mean, Richard; Anastasiadou, Natasa; Athanasiou, Yiannis; Zavros, Michalis; Kyriacou, Kyriacos; Deltas, Constantinos; Hadjianastassiou, Vassilis (2019)AbstractBackground. Complement factor H-related protein 5 (CFHR5) nephropathy is an inherited renal disease characterized by microscopic and synpharyngitic mac
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Clinico-pathological correlations in 127 patients in 11 large pedigrees, segregating one of three heterozygous mutations in the COL4A3 COL4A4 genes associated with familial haematuria and significant late progression to proteinuria and chronic kidney disease from focal segmental glomerulosclerosis
Pierides, Alkis M.; Voskarides, Konstantinos; Athanasiou, Yiannis; Ioannou, Kyriakos; Damianou, Loukas; Arsali, Maria; Zavros, Michalis; Pierides, M.; Vargemezis, V.; Patsias, Charalambos; Zouvani, Ioanna; Elia, Avraam; Kyriacou, Kyriacos C.; Constantinou-Deltas, Constantinos D. (2009)Background. Heterozygous mutations in the COL4A3 COL4A4 genes are currently thought to be responsible for familial benign microscopic haematuria and maintenance of normal long-term kidney function.Methods. We report on 11 ...
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COL4A3/COL4A4 mutations producing focal segmental glomerulosclerosis and renal failure in thin basement membrane nephropathy
Voskarides, Konstantinos; Damianou, Loukas; Neocleous, Vassos; Zouvani, Ioanna; Christodoulidou, Stalo; Hadjiconstantinou, Valsamakis E.; Ioannou, Kyriakos; Athanasiou, Yiannis; Patsias, Charalambos; Alexopoulos, Efstathios; Pierides, Alkis M.; Kyriacou, Kyriacos C.; Constantinou-Deltas, Constantinos D. (2007)Mutations in the COL4A3/COL4A4 genes of type IV collagen have been found in ∼40% of cases of thin basement membrane nephropathy, which is characterized by microscopic hematuria and is classically thought to cause proteinuria ...
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COL4A5 and LAMA5 variants co-inherited in familial hematuria: digenic inheritance or genetic modifier effect?
Voskarides, Konstantinos; Papagregoriou, Gregory; Hadjipanagi, Despina; Petrou, Ioanelli; Savva, Isavella; Elia, Avraam; Athanasiou, Yiannis; Pastelli, Androulla; Kkolou, Maria; Hadjigavriel, Michalis; Stavrou, Christoforos; Pierides, Alkis; Deltas, Constantinos (2018)About 40–50% of patients with familial microscopic hematuria (FMH) caused by thin basement membrane nephropathy (TBMN) inherit heterozygous mutations in collagen IV genes (COL4A3, COL4A4). On long follow-up, the full ...
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Epistatic Role of the MYH9/APOL1 Region on Familial Hematuria Genes
Voskarides, Konstantinos; Demosthenous, Panayiota; Papazachariou, Louiza; Arsali, Maria; Athanasiou, Yiannis; Zavros, Michalis; Stylianou, Konstantinos G.; Xydakis, D.; Daphnis, Eugenios K.; Gale, D. P.; Maxwell, P. H.; Elia, Avraam; Pattaro, C.; Pierides, Alkis M.; Constantinou-Deltas, Constantinos D. (2013)Familial hematuria (FH) is explained by at least four different genes (see below). About 50% of patients develop late proteinuria and chronic kidney disease (CKD). We hypothesized that MYH9/APOL1, two closely linked genes ...
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Evidence that NPHS2-R229Q predisposes to proteinuria and renal failure in familial hematuria
Voskarides, Konstantinos; Arsali, Maria; Athanasiou, Yiannis; Elia, Avraam; Pierides, Alkis M.; Constantinou-Deltas, Constantinos D. (2012)Background Familial hematuria (FH) is associated with at least two pathological entities: Thin basement membrane nephropathy (TBMN), caused by heterozygous COL4A3/ COL4A4 mutations, and C3 nephropathy caused by CFHR5 ...
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Familial C3 Glomerulopathy Associated with CFHR5 Mutations: Clinical Characteristics of 91 Patients in 16 Pedigrees
Athanasiou, Yiannis; Voskarides, Konstantinos; Gale, D. P.; Damianou, Loukas; Patsias, Charalambos; Zavros, Michalis; Maxwell, P. H.; Cook, H. T.; Demosthenous, Panayiota; Hadjisavvas, Andreas; Kyriacou, Kyriacos C.; Zouvani, Ioanna; Pierides, Alkis M.; Constantinou-Deltas, Constantinos D. (2011)Background and objectives Complement factor H and related proteins (CFHR) are key regulators of the alternative complement pathway, where loss of function mutations lead to a glomerulopathy with isolated mesangial C3 ...
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A family with the branchio-oto-renal syndrome: Clinical and genetic correlations
Pierides, Alkis M.; Athanasiou, Yiannis; Demetriou, Kyproula; Koptides, Michael; Constantinou-Deltas, Constantinos D. (2002)Background. The branchio-oto-renal (BOR) syndrome is an autosomal dominant disease characterized by hearing loss of early onset, preauricular pits, branchial clefts, and early progressive chronic renal failure in up to 40% ...
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Founder mutations in the ATP6V1B1 geneexplain most cypriot cases of distal renal tubular acidosis: First prenatal diagnosis
Elia, Avraam; Voskarides, Konstantinos; Demosthenous, Panayiota; Michalopoulou, A.; Malliarou, M. -A; Georgaki, Eleni; Athanasiou, Yiannis; Patsias, Charalambos; Pierides, Alkis M.; Constantinou-Deltas, Constantinos D. (2011)Aims: To investigate clinically and genetically all the distal renal tubular acidosis (dRTA) cases in Cyprus, to study one more family from Greece and to perform the first dRTA prenatal diagnosis. We also tried to find any ...
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Frequency of COL4A3/COL4A4 Mutations amongst families segregating glomerular microscopic hematuria and evidence for activation of the unfolded protein response. Focal and segmental glomerulosclerosis is a frequent development during ageing
Papazachariou, Louiza; Demosthenous, Panayiota; Pieri, Myrtani; Papagregoriou, Gregory N.; Savva, Isavella; Stavrou, Christoforos V.; Zavros, Michalis; Athanasiou, Yiannis; Ioannou, Kyriakos; Patsias, Charalambos; Panagides, Alexia; Potamitis, Costas; Demetriou, Kyproula; Prikis, Marios; Hadjigavriel, Michalis; Kkolou, Maria; Loukaidou, Panayiota; Pastelli, Androulla; Michael, Aristos; Lazarou, Akis; Arsali, Maria; Damianou, Loukas; Goutziamani, Ioanna; Soloukides, Andreas P.; Yioukas, Lakis; Elia, Avraam; Zouvani, Ioanna; Polycarpou, Polycarpos; Pierides, Alkis M.; Voskarides, Konstantinos; Constantinou-Deltas, Constantinos D. (2014)Familial glomerular hematuria(s) comprise a genetically heterogeneous group of conditions which include Alport Syndrome (AS) and thin basement membrane nephropathy (TBMN). Here we investigated 57 Greek-Cypriot families ...
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Frequency of COL4A3/COL4A4 Mutations amongst families segregating glomerular microscopic hematuria and evidence for activation of the unfolded protein response. Focal and segmental glomerulosclerosis is a frequent development during ageing
Papazachariou, Louiza; Demosthenous, Panayiota M.; Pieri, Myrtani; Papagregoriou, Gregory N.; Savva, Isavella; Stavrou, Christoforos V.; Zavros, Michalis; Athanasiou, Yiannis; Ioannou, Kyriakos; Patsias, Charalambos; Panagides, Alexia; Potamitis, Costas; Demetriou, Kyproula; Prikis, Marios; Hadjigavriel, Michalis; Kkolou, Maria; Loukaidou, Panayiota; Pastelli, Androulla; Michael, Aristos; Lazarou, Akis; Arsali, Maria; Damianou, Loukas; Goutziamani, Ioanna; Soloukides, Andreas P.; Yioukas, Lakis; Elia, Avraam; Zouvani, Ioanna; Polycarpou, Polycarpos; Pierides, Alkis M.; Voskarides, Konstantinos A.; Constantinou-Deltas, Constantinos D. (2014)Familial glomerular hematuria(s) comprise a genetically heterogeneous group of conditions which include Alport Syndrome (AS) and thin basement membrane nephropathy (TBMN). Here we investigated 57 Greek-Cypriot families ...
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A functional variant in NEPH3 gene confers high risk of renal failure in primary hematuric glomerulopathies. Evidence for predisposition to microalbuminuria in the general population
Voskarides, Konstantinos; Stefanou, Charalambos; Pieri, Myrtani; Demosthenous, Panayiota; Felekkis, Kyriacos N.; Arsali, Maria; Athanasiou, Yiannis; Xydakis, D.; Stylianou, Konstantinos G.; Daphnis, Eugenios K.; Goulielmos, George N.; Loizou, P.; Savige, J.; Höhne, M.; Völker, L. A.; Benzing, T.; Maxwell, P. H.; Gale, D. P.; Gorski, M.; Böger, C.; Kollerits, B.; Kronenberg, F.; Paulweber, B.; Zavros, Michalis; Pierides, Alkis M.; Constantinou-Deltas, Constantinos D. (2017)Background Recent data emphasize that thin basement membrane nephropathy (TBMN) should not be viewed as a form of benign familial hematuria since chronic renal failure (CRF) and even end-stage renal disease (ESRD), is a ...
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Identification of a mutation in complement factor H-related protein 5 in patients of Cypriot origin with glomerulonephritis
Gale, D. P.; De Jorge, E. G.; Cook, H. T.; Martinez-Barricarte, R.; Hadjisavvas, Andreas; McLean, A. G.; Pusey, C. D.; Pierides, Alkis M.; Kyriacou, Kyriacos C.; Athanasiou, Yiannis; Voskarides, Konstantinos; Constantinou-Deltas, Constantinos D.; Palmer, A.; De Cordoba, S. R.; Maxwell, P. H.; Pickering, M. C.; Frémeaux-Bacchi, V. (2010)Summary Background Complement is a key component of the innate immune system, and variation in genes that regulate its activation is associated with renal and other disease. We aimed to establish the genetic basis for a ...
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A miR-1207-5p binding site polymorphism abolishes regulation of HBEGF and is associated with disease severity in CFHR5 nephropathy
Papagregoriou, Gregory N.; Erguler, K.; Dweep, H.; Voskarides, Konstantinos; Koupepidou, P.; Athanasiou, Yiannis; Pierides, Alkis M.; Gretz, N.; Felekkis, Kyriacos N.; Constantinou-Deltas, Constantinos D. (2012)Heparin binding epidermal growth factor (HBEGF) is expressed in podocytes and was shown to play a role in glomerular physiology. MicroRNA binding sites on the 3′UTR of HBEGF were predicted using miRWalk algorithm and ...
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Molecular and Clinical Investigation of Cystinuria in the Greek-Cypriot Population
Athanasiou, Yiannis; Voskarides, Konstantinos; Chatzikyriakidou, Anthoula L.; Ignatiou, Anastasia; Demosthenous, Panayiota; Elia, Avraam; Zavros, Michalis; Georgiou, Ioannis A.; Pierides, Alkis M.; Constantinou-Deltas, Constantinos D. (2015)Background and Aims: Cystinuria represents 3% of nephrolithiasis in humans. Two genes have been identified as the main genetic causes of cystinuria, SLC3A1 and SLC7A9, with an autosomal recessive mode of inheritance. In ...
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Molecular investigation and long-term clinical progress in Greek Cypriot families with recessive distal renal tubular acidosis and sensorineural deafness due to mutations in the ATP6V1B1 gene
Feldman, M.; Prikis, Marios; Athanasiou, Yiannis; Elia, Avraam; Pierides, Alkis M.; Constantinou-Deltas, Constantinos D. (2006)The spectrum of distal renal tubular acidosis (dRTA) includes a genetically heterogeneous group of inherited conditions of both autosomal-dominant and recessive mode of inheritance. The basic defect islinked to the renal ...
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The MTHFR 677TT and 677CT/1298AC genotypes in Cypriot patients may be predisposing to hypertensive nephrosclerosis and chronic renal failure
Koupepidou, P.; Constantinou-Deltas, Constantinos D.; Christofides, Tasos C.; Athanasiou, Yiannis; Zouvani, Ioanna; Pierides, Alkis M. (2005)Aim. The homozygous 677TT mutation of the MTHFR gene has been linked to deep vein thrombosis and to arterial atherosclerotic events of the coronary, carotid and peripheral arteries. Its putative association with renal ...
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The MTHFR 677TT and 677CT/1298AC genotypes in Cypriot patients may be predisposing to hypertensive nephrosclerosis and chronic renal failureAAA
Koupepidou, P.; Constantinou-Deltas, Constantinos D.; Christofides, Tasos C.; Athanasiou, Yiannis; Zouvani, Ioanna; Pierides, Alkis M. (2005)Aim. The homozygous 677TT mutation of the MTHFR gene has been linked to deep vein thrombosis and to arterial atherosclerotic events of the coronary, carotid and peripheral arteries. Its putative association with renal ...