Jakub Jan Kleinrok

Mr. Jakub Jan Kleinrok

orcid

Research Focus & Metrics

Academic Career Length

2Years (2025-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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Verified
Journal Article
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MPMarcin Prządka
Marcin Prządka
WPWeronika Anna Pająk
Weronika Anna Pająk
JKJakub Jan Kleinrok
Jakub Jan Kleinrok
JPJoanna Agnieszka Pec
Joanna Agnieszka Pec
KMKarolina Michno
Karolina Michno
Jacek BajJacek Baj
Jacek Baj
Three-dimensional (3D) printing has gained substantial interest among scientists and surgeons over the past decade due to its broad potential in medical applications. Its clinical utility has been increasingly recognized, demonstrating promising outcomes for patient care. Currently, 3D printing technology enables surgeons to enhance operative precision by facilitating the creation of patient-specific anatomical models, customized implants, biological tissues, and even surgical instruments. This personalization contributes to improved surgical outcomes, reduced operative times, and shorter postoperative recovery periods. Furthermore, 3D printing significantly aids in the customization of prostheses to conform closely to individual anatomical structures. Beyond therapeutic applications, 3D printing serves as a valuable educational tool in medical training. It enhances case-specific visualization, elucidates fracture mechanisms, and provides tangible models for simulation-based practice. Although the use of 3D printing might be seen as useful mostly in orthopedics, it has expanded into multiple medical specialties, including plastic surgery, dentistry, and emergency medicine. Presently, 3D-printed constructs are routinely employed for preoperative planning, prosthetic development, fracture management, and the fabrication of patient-specific surgical tools. Futuristically, the integration of 3D printing into clinical practice is expected to play a pivotal role in the advancement of personalized medicine, offering substantial benefits for both healthcare providers and patients.

Verified
Journal Article
Open access
PDF file
WPWeronika Anna Pająk
Weronika Anna Pająk
JKJakub Jan Kleinrok
Jakub Jan Kleinrok
JPJoanna Agnieszka Pec
Joanna Agnieszka Pec
KMKarolina Michno
Karolina Michno
JWJan Wojtas
Jan Wojtas
Jacek BajJacek Baj
Jacek Baj
Colorectal cancer (CRC) is one of the deadliest and most frequently occurring cancers worldwide. Often diagnosed in advanced stages, it requires more challenging treatment. However, emerging studies highlight the possible role of microRNAs (miRNAs) in the screening, diagnosis, and prognosis of CRC. MiRNAs modulate gene expression and can play both roles in tumor suppressors and oncogenes. In CRC, they influence epithelial–mesenchymal transition (EMT), cell proliferation and migration, apoptosis, autophagy, and patients’ treatment response. In clinical applications, they can be used as predictive and prognostic biomarkers as well as for matching the most suitable treatments. Despite its growing popularity, there is still much to discover about their potential usage in medicine.

18 June 2026 in Materials
Verified
Journal Article
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JKJulia Joanna Kloc
Julia Joanna Kloc
KJKinga Faustyna Janusiewicz
Kinga Faustyna Janusiewicz
KJKarolina Jędrzejczyk
Karolina Jędrzejczyk
AKAgnieszka Kijora
Agnieszka Kijora
AJAleksandra Monika Jankowska
Aleksandra Monika Jankowska
Jacek BajJacek Baj
Jacek Baj
The success of dental implantation depends on both mechanical stability and the host’s immune response to the implanted biomaterials. Osteoimmunology emphasizes that early immune responses at the implant-tissue interface are critical for bone healing and long-term osseointegration. The immune response primarily consists of immune cells, particularly macrophages, neutrophils, and lymphocytes, which interact with osteogenic cells through cytokine networks and signalling pathways, such as RANK/RANKL/OPG. Additionally, it modulates both bone formation and resorption. This review focuses on summarizing the mechanisms that shape the immune response around implants by dental implant materials. It describes mechanisms related to bulk composition, surface topography, and mechanical properties, and highlights macrophage polarization and the transition from inflammation to regeneration. The review discusses current immunomodulatory strategies, including bioactive surfaces, ion doping, nanopatterning, drug-releasing surfaces, and responsive materials, as well as advances enabled by additive manufacturing. The review also discusses experimental models used to study osteoimmunological interactions and the clinical significance of immune dysregulation in peri-implant diseases. The design of biomaterials based on osteoimmunology represents a shift toward immune-compatible implants that aim to improve regenerative outcomes and long-term implant success.

2 May 2026 in Life
Verified
Journal Article
Open access
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WPWeronika Anna Pająk
Weronika Anna Pająk
JKJakub Jan Kleinrok
Jakub Jan Kleinrok
JPJoanna Agnieszka Pec
Joanna Agnieszka Pec
AOAdrian Gabriel Orzechowski
Adrian Gabriel Orzechowski
JDJakub Drabko
Jakub Drabko
Jacek BajJacek Baj
Jacek Baj
Nasopharyngeal carcinoma (NPC) presents unique clinical and biological characteristics that distinguish it from other head and neck malignancies. It poses a great therapeutic challenge for many specialists. It is associated with Epstein–Barr virus (EBV) infection, genetic predisposition, and environmental risk factors. With advancements in radiotherapy and systemic therapy, new treatment options have emerged. We want to focus on contemporary therapeutic strategies for NPC, emphasizing breakthroughs in intensity-modulated radiotherapy (IMRT), chemoradiotherapy, targeted therapy, immunotherapy, and emerging cellular therapies. By integrating recent discoveries with clinical evidence, we aim to provide state-of-the-art information, along with a comprehensive understanding of current best practices, emerging treatments, and critical prognostic determinants in NPC.

13 January 2026 in Journal of Clinical Medicine
Verified
Journal Article
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JKJakub Jan Kleinrok
Jakub Jan Kleinrok
WPWeronika Anna Pająk
Weronika Anna Pająk
JPJoanna Agnieszka Pec
Joanna Agnieszka Pec
KRKamil Rusztyn
Kamil Rusztyn
JDJoanna Dolar-Szczasny
Joanna Dolar-Szczasny
Jacek BajJacek Baj
Jacek Baj
Metastatic uveal melanoma (MUM) remains largely refractory to immune-checkpoint inhibition, so recent research has turned to bispecific T-cell engagers (BTCEs), adoptive-cell therapies (ACTs), and oncolytic viruses (OVs). To summarize the available clinical evidence, we performed a structured literature search across PubMed, Scopus, and Europe PMC for primary studies published between 1 January 2010 and 31 May 2025 that enrolled at least three adults with MUM, treated with one of these modalities, and that reported efficacy or grade-3+ safety outcomes; two reviewers independently performed screening, data extraction, and risk-of-bias assessment, and because of notable heterogeneity, we synthesized the findings narratively. Twenty-two studies met the criteria—thirteen phase I–III trials, eight observational cohorts, and one case series—covering fifteen BTCE cohorts, four ACT cohorts, and three OV cohorts. Tebentafusp, the dominant BTCE evaluated in roughly 1150 HLA-A*02:01-positive patients, extended median overall survival from 16.0 to 21.7 months (hazard ratio 0.51, with three-year follow-up HR 0.68) in its pivotal phase-III trial despite objective response rates of only 5–12%, with early skin rash and week-12 circulating-tumor-DNA clearance emerging as consistent markers of benefit. Tumor-infiltrating lymphocyte therapy, administered to about thirty patients, produced objective responses in 11–35% and occasional durable complete remissions, although median progression-free survival remained 2–6 months and severe cytopenias were universal. Three early-phase OV studies, totaling twenty-nine patients, yielded no radiographic responses but showed tumor-specific T-cell expansion and transient disease stabilization. Safety profiles reflected the mechanism of action: tebentafusp most often caused rash, pyrexia, and usually manageable cytokine-release syndrome with grade-3+ events in 40–70% yet discontinuation in roughly 2%; TIL therapy toxicity was driven by lymphodepleting chemotherapy and high-dose interleukin-2 with one treatment-related death; and OVs were generally well tolerated with no more than 20% grade-3 events.

Verified
Journal Article
Open access
PDF file
JPJoanna Agnieszka Pec
Joanna Agnieszka Pec
WPWeronika Anna Pająk
Weronika Anna Pająk
JKJakub Jan Kleinrok
Jakub Jan Kleinrok
KRKamil Rusztyn
Kamil Rusztyn
JFJolanta Flieger
Jolanta Flieger
Jacek BajJacek Baj
Jacek Baj
Melanoma is a type of skin cancer with an increasing incidence rate worldwide and a high mortality rate. In addition to known risk factors, such as UV exposure and genetic predisposition, researchers are paying more attention to the role of diet, micronutrients, and vitamins in preventing melanoma. This review discusses the effects of selected vitamins (D, A, C, and E), trace elements, and bioactive compounds (polyphenols and omega-3 fatty acids) on biological processes related to melanoma development. The review considered both antioxidant and immunomodulatory effects, as well as effects on DNA repair and photoprotection. The significance of polymorphisms of genes encoding receptors and enzymes that metabolize the compounds studied was also analyzed. The results suggest that maintaining adequate levels of these substances may promote melanoma prevention, particularly among individuals at risk. However, caution in the use of supplementation is necessary due to the possible biphasic effects of some micronutrients. Further clinical trials are needed to develop effective, safe prevention strategies based on micronutrients and vitamins.