OOIR: Observatory of International Research

Papers

(The TQCC of Asian Journal of Andrology is 6. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
“Progressive motility” in elucidating novel genetic causes of male infertility	38
Corrigendum to “Generation of Leydig-like cells: approaches, characterization, and challenges”	37
Scaffold protein MAPK8IP2 expression is a robust prognostic factor in prostate cancer associated with AR signaling activity	34
Cystic fibrosis-causing variants in Chinese patients with congenital absence of the vas deferens: a cohort and meta-analysis	34
Commentary on “Relationship between dietary niacin intake and erectile dysfunction: a population-based study”	34
Testicular sperm extraction (TESE) outcomes in the context of malignant disease: a systematic review	33
Efficacy comparison between Mathieu combined urethral plate incision and onlay island flap urethroplasty for distal hypospadias in patients with urethral plate stenosis	31
From azoospermia to macrozoospermia, a phenotypic continuum due to mutations in the ZMYND15 gene	28
In silico docking analysis of beta-defensin 20 against cation channel sperm-associated protein 1–4 to predict its role in the sperm maturation	27
Novel homozygous SPAG17 variants cause human male infertility through multiple morphological abnormalities of spermatozoal flagella related to axonemal microtubule doublets	27
A novel mouse model simulating transurethral laser vaporization prostatectomy	25
Icariin targets PDE5A to regulate viability, DNA synthesis and DNA damage of spermatogonial stem cells and improves reproductive capacity	24
Navigating the evolving diagnostic and therapeutic landscape of low- and intermediate-risk prostate cancer	23
Added value of shear-wave elastography in the prediction of extracapsular extension and seminal vesicle invasion before radical prostatectomy	23
What is the effect of Tribulus terrestris on testicular morphology and sperm production? An experimental study in the rat model	23
Transsphenoidal surgery for prolactinomas in male patients: a retrospective study	23
How to choose duration of additional androgen deprivation therapy with salvage radiation therapy: short, long, more, or none?	22
Health risks associated with infertility and non-obstructive azoospermia	21
Can we omit systematic biopsies in patients undergoing MRI fusion-targeted prostate biopsies?	20
Genotype–phenotype correlations, surgical selections, and postoperative complications of 5α-reductase 2 deficiency in 69 children with hypospadias	20
Cuproptosis mediates copper-induced testicular spermatogenic cell death	20
Radiomics based on biparametric MRI for the detection of significant residual prostate cancer after androgen deprivation therapy: using whole-mount histopathology as reference standard	19
Investigation of the genetic etiology in male infertility with apparently balanced chromosomal structural rearrangements by genome sequencing	19
Loss-of-function CFTR p.G970D missense mutation might cause congenital bilateral absence of the vas deferens and be associated with impaired spermatogenesis	18
Microdissection testicular sperm extraction for men with nonobstructive azoospermia who have a testicular tumor in situ at the time of sperm retrieval	18

Novel strategy using a spiral embedded flap for meatal stenosis after post-penile cancer amputation surgery: a single-center experience	18
Divergences in neuroendocrine prostate cancer frequency as recognized by anatomic pathologists, clinicians, and basic scientists	17
Analysis of trends in testicular atrophy index values with age in patients with unilateral palpable cryptorchidism	17
High ligation of the hernia sac in open nonmesh inguinal herniorrhaphy is an important cause of iatrogenic vas deferens injury	17
Excellent long-term device survival of inflatable penile prosthesis over 27 years	17
Assessment of SARS-CoV-2 RNA shedding in semen of 36 males with symptomatic, asymptomatic, and convalescent infection during the first and second wave of COVID-19 pandemic in Italy	17
Iatrogenic lipogranuloma of the penis	17
Assessing the efficacy of a novel sperm-washing medium enriched with serotonin, L-carnitine, and coenzyme Q10: an observational cohort study	17
Application of the modified Byars staged procedure for severe hypospadias repair	16
Comprehensive semen examination in patients with pancreatic-sufficient and pancreatic-insufficient cystic fibrosis	16
Update on techniques for cryopreservation of human spermatozoa	15
Decreased Nrf2 protein level and low sperm quality in intractable spermatocystitis	15
Inhibition of 5αR2 promotes postoperative wound repair in BPH patients after TURP by alleviating fibrosis and inflammation	15
Effects of mild/asymptomatic COVID-19 on semen parameters and sex-related hormone levels in men: a systematic review and meta-analysis	15
Artificial intelligence in andrology – fact or fiction: essential takeaway for busy clinicians	15
Environmental exposure to cadmium but not lead is associated with decreased semen quality parameters	15
PPARγ2 functions as a tumor suppressor in a translational mouse model of human prostate cancer	14
The organization, regulation, and biological functions of the synaptonemal complex	14
Prognostic value of PTEN in de novo diagnosed metastatic prostate cancer	13
Predictive factors for efficacy of testosterone replacement therapy for late-onset hypogonadism in Japanese men: a preliminary report	13
Pyruvate kinase M in germ cells is essential for sperm motility and male fertility but not spermatogenesis	13
The effect of healthy dietary patterns on male semen quality: a systematic review and meta-analysis	13
The effect of bladder function on the efficacy of transurethral prostatectomy in patients with benign prostatic hyperplasia: a retrospective, single-center study	13
Age-related changes for the predictors of benign prostatic hyperplasia in Chinese men aged 40 years or older	13
Machine learning approach to assess the association between anthropometric, metabolic, and nutritional status and semen parameters	12
Normal sperm head morphometric reference values in fertile Asian males	12
Association between metabolic parameters and erection in erectile dysfunction patients with hyperuricemia	12
A novel homozygous frameshift variant in DNAH8 causes multiple morphological abnormalities of the sperm flagella in a consanguineous Pakistani family	12
Prostate health index can stratify patients with Prostate Imaging Reporting and Data System score 3 lesions on magnetic resonance imaging to reduce prostate biopsies	12
Identification of risk genes in Chinese nonobstructive azoospermia patients based on whole-exome sequencing	12
Ultrasonographic evaluation of the rete testis thickness: a promising approach to differentiate obstructive from nonobstructive azoospermia	12
A 10-year longitudinal analysis of the impact of demographic, lifestyle, and medical factors on semen qualities in men in a city in the midwestern region of the United States of America	12
Combined treatment with dihydrotestosterone and lipopolysaccharide modulates prostate homeostasis by upregulating TNF-α from M1 macrophages and promotes proliferation of prostate stromal cells	12
Phosphodiesterase 10A inhibitor PF-2545920 as a prospective agent for the clinical promotion of sperm motility	11
High IL-23+ cells infiltration correlates with worse clinical outcomes and abiraterone effectiveness in patients with prostate cancer	11
Varicocele repair in improving spermatozoa, follicle-stimulating hormone, and luteinizing hormone parameters in infertile males with azoospermia: a systematic review and meta-analysis	11
Chemically induced DNA damage and sperm and oocyte repair machinery: the story gets more interesting	11
Body fat distribution and semen quality in 4304 Chinese sperm donors	11
Integrated seminal plasma metabolomics and lipidomics profiling highlight distinctive signature of varicocele patients with male infertility	11
Association between maximal urethral length preservation and postoperative continence after robot-assisted radical prostatectomy: a meta-analysis and systematic review	11
What is required for better progress in clinical and scientific andrology involving sperm assessments?	11
Research progress of m6A methylation in prostate cancer	11
High-intensity focused ultrasound strategies for treating prostate cancer	10
Effect of advanced paternal age on reproductive outcomes in IVF cycles of non-male-factor infertility: a retrospective cohort study	10
The role of endogenous testosterone in relationship with low- and intermediate-risk prostate cancer: a systematic review	10
The dark side of transurethral access for LUTS/BPH surgery: a narrative review	10
Prostate Health Index (phi) and its derivatives predict Gleason score upgrading after radical prostatectomy among patients with low-risk prostate cancer	10
Microdeletions and vertical transmission of the Y-chromosome azoospermia factor region	10
Altered regional brain activity and functional connectivity in primary intravaginal anejaculation patients revealed by resting-state fMRI	10
A case of obstructive azoospermia secondary to genitourinary tract infection caused by a prostatic utricle cyst	10

Generation of Leydig-like cells: approaches, characterization, and challenges	10
Quantitative assessment of the aging corpus cavernosum by shear wave elastography	10
A novel onlay urethroplasty for hypospadias with mild chordee after degloving: modified for complete removal of scar tissue underlying the urethral plate and for long-term outcomes	9
Commentary on: “Novel strategy using a spiral embedded flap for meatal stenosis after post-penile cancer amputation surgery: a single-center experience”	9
A giant scrotal pendulous fibroma mimicking a supernumerary testis	9
The current situation of semen analysis in China, based on a survey of 296 laboratories	9
Novel variants in DNAH6 cause male infertility associated with multiple morphological abnormalities of the sperm flagella (MMAF) and ICSI outcomes	9
Aerobic exercise improves ejaculatory behaviors and complements dapoxetine treatment by upregulating the BDNF-5-HT duo: a pilot study in rats	9
The impact of the COVID-19 pandemic on erectile function in Chinese CP/CPPS patients	9
Commentary on “Spongiosum-combined glanuloplasty reduces glans complications after proximal hypospadias repair”	9
Male reproductive function before and after the adjustment of the COVID-19 prevention policy: a multicenter study in China	9
Impact of physical activity on semen quality: a review of current evidence	9
A novel homozygous splicing mutation in AK7 associated with multiple morphological abnormalities of the sperm flagella	9
A novel frameshift variant in AXDND1 may cause multiple morphological abnormalities of the sperm flagella in a consanguineous Pakistani family	9
Prostate-derived IL-1β upregulates expression of NMDA receptor in the paraventricular nucleus and shortens ejaculation latency in rats with experimental autoimmune prostatitis	9
Commentary on “Will male semen quality improve with environmental quality?”	9
Serum estradiol levels decrease after oophorectomy in transmasculine individuals on testosterone therapy	8
The effect of age and abstinence time on semen quality	8
The role of retinoic acid in the commitment to meiosis	8
Incidence of urinary incontinence following endoscopic laser enucleation of the prostate by en-bloc and non-en-bloc techniques: a multicenter, real-world experience of 5068 patients	8
The SPARC-related modular calcium binding 1 (Smoc1) regulated by androgen is required for mouse gubernaculum development and testicular descent	8
Will male semen quality improve with environmental quality?	8
Glutathione S-transferase genetic polymorphisms and fluoride-induced reproductive toxicity in men with idiopathic infertility	8
A retrospective study on sperm cryopreservation in 1034 patients diagnosed with cancer in southern China	8
The role of homozygous LOF variant of the PNLDC1 gene in oligo-astheno-teratozoospermia (OAT) and male infertility	8
Berberine hydrochloride alleviates chronic prostatitis/chronic pelvic pain syndrome by modifying gut microbiome signaling	7
Management of non-obstructive azoospermia: advances, challenges, and expert recommendations	7
LncRNA GAS5 enhances tumor stem cell-like medicated sensitivity of paclitaxel and inhibits epithelial-to-mesenchymal transition by targeting the miR-18a-5p/STK4 pathway in prostate cancer	7
Predictors of efficacy of corticosteroid switching from abiraterone plus prednisone to dexamethasone in patients with metastatic castration-resistant prostate cancer	7
Long-term tadalafil once daily in Chinese men with erectile dysfunction: a 2-year final analysis of a post-marketing, multicenter, randomized, open-label trial	7
Novel mutations in LRRC23 cause asthenozoospermia in a nonconsanguineous family	7
Editorial comment on “Outcomes and management of Peyronie’s disease with combined treatment of collagenase clostridium histolyticum, vacuum erection device, and tadalafil”	7
Predictive parameters of the efficacy of varicocele repair: a review	7
Novel mutation in ODF2 causes multiple morphological abnormalities of the sperm flagella in an infertile male	7
Ginsenoside Rb1 mitigates diabetes-induced erectile dysfunction in rats by reducing oxidative stress and modulating the PI3K/AKT/eNOS pathway	7
Impact of IL-23 in prostate cancer	7
Novel MEI1 compound heterozygous mutation in a sporadic family associated with spermatogenetic failure	7
Current focal therapies for the treatment of low- and intermediate-risk prostate cancer	7
A review of testicular histopathology in nonobstructive azoospermia	7
Andrology laboratory techniques for micro-TESE/IVF/ICSI: a narrative review	7
Abnormal cortical surface-based spontaneous and functional connectivity in the whole brain in lifelong premature ejaculation patients	7
Novel bi-allelic variants in DNAH10 lead to multiple morphological abnormalities of sperm flagella and male infertility	7
A prospective cohort of men with localized prostate cancer on active surveillance protocol in Hong Kong, China: what did we learn?	7
Association of higher serum follicle-stimulating hormone levels with successful microdissection testicular sperm extraction outcomes in nonobstructive azoospermic men with reduced testicular volumes	6
Diagnostic algorithm in men suspected with nonobstructive azoospermia	6
Cremaster muscle thickening: the anatomic difference in men with testicular retraction due to hyperactive cremaster muscle reflex	6
Caseinolytic mitochondrial matrix peptidase X is essential for homologous chromosome synapsis and recombination during meiosis of male mouse germ cells	6
The impact of subcentimeter cysts on chronic scrotal pain	6
Chlamydia trachomatis infection in the genital tract is associated with inflammation and hypospermia in the infertile male of China	6
Novel biallelic MCMDC2 variants were associated with meiotic arrest and nonobstructive azoospermia	6
Clinicopathological factors associated with pathological upgrading from biopsy to prostatectomy in patients with ISUP grade group ≤2 prostate cancer	6
Identification and characterization of circular RNAs in the testicular tissue of patients with non-obstructive azoospermia	6
A decade of WHO 2010: total sperm number temporal trend and role of lifestyle factors	6
Microfluidic systems in testicular in vitro culture: a powerful model tool for spermatogenesis and reprotoxicity studies	6
Single-incision laparoscopic totally extraperitoneal retrieval of retroperitoneal vas deferens in vasovasostomy for obstructive azoospermia patients postchildhood bilateral herniorrhaphy	6
The association and underlying mechanism of the digit ratio (2D:4D) in hypospadias	6
Novel biallelic loss-of-function mutations in CFAP43 cause multiple morphological abnormalities of the sperm flagellum in Pakistani families	6
Current treatment for male infertility: an umbrella review of systematic reviews and meta-analyses	6
Depressive males have higher odds of lower urinary tract symptoms suggestive of benign prostatic hyperplasia	6
Molecular diagnostics of prostate cancer: impact of molecular tests	6
Characterization of the protein expression and localization of hnRNP family members during murine spermatogenesis	6
Nonobstructive azoospermia: an etiologic review	6
Inflammatory bowel disease (ulcerative colitis type) severity shows inverse correlation with semen parameters and testosterone levels	6
DEFB126 polymorphisms and association with idiopathic asthenozoospermia in China	6
Exploring the clinical implications of novel SRD5A2 variants in 46,XY disorders of sex development	6
PSMA PET/CT in the low- to intermediate-risk prostate cancer: when and why?	6
Clinical outcome of pediatric and young adult subclinical varicoceles	6