| Cover and Contents | |
| I-IV |
| Editor's Foreword | |
| Editor's Foreword Editor's Foreword | V |
| Wale A.R. Sulaiman: The master of knowledge, neurosurgery and humanity | |
| George N. Chaldakov | VI-VII |
| The great Geoffrey Burnstock: A passion for discovery and empathy | |
| George N. Chaldakov | VIII-IX |
| Transcription factor ZBTB20: What expression is telling us of its cellular function? | |
| Dimo S. Stoyanov, Anton B. Tonchev | 1-10 |
| Biomarkers of acute kidney injury and their role in clinical patient management | |
| Ecem Busra Deger, Enver Arslan, Muslim Dogan Deger, Oktay Kaya | 11-29 |
| On the new prospects in biology inspired by epigenetics | |
| Maria E. Krasteva | 31-39 |
| Role of NANOG in glioma malignancy development and potential as therapeutic target | |
| Fergie Runtu, Novi Silvia Hardyani | 41-47 |
| Phenotypic modulation of smooth muscle cells and matrix metalloproteinases as targets for atherosclerotic plaque stabilization | |
| George N. Chaldakov, Maria D. Zhelyazkova-Savova, Daniela Panayotova, Marco Fiore, Stanislav Yanev | 49-60 |
| Natural killer cells and immunotherapy based on monoclonal antibodies | |
| Magdalena Pencheva-Demireva, Katerina Kavaldzhieva, Nikola Mladenov, Tzvetanka Markova, Dimitrina Dimitrova-Dikanarova | 61-65 |
| Brainstem expression of SLC6A4, HTR2C, NGF, BDNF, TRKANGF, TRKBBDNF and P75NTR following paternal alcohol exposure in the male mouse | |
| Giampiero Ferraguti, Claudia Codazzo, Carla Petrella, Roberto Coccurello, Mauro Ceccanti, Marco Fiore | 75-89 |
| Interactions between the endogenous cannabinoid system and the peptides of the Tyr-MIF-1 family modulate heat stress-induced analgesia | |
| Hristina H. Nocheva, Roman E. Tashev, Adriana I. Bocheva, Dimitrinka Y. Atanasova, Angel D. Dandov, Nikolai E. Lazarov | 91-103 |
| New challenges to renin-angiotensin-system in COVID-19 pandemic | |
| Stanislav Yanev, Tsveta Stoyanova | 105-112 |
| COVID-19 as an oxygen-deprivation disease | |
| Stanislav Yanev | 113-116 |
| Ongoing COVID-19 syndrome and post-COVID-19 syndrome: Long-term symptoms and residual changes after SARS-CoV-2 infection | |
| Kosta V. Kostov | 117-123 |
| From pathogenesis to therapy of COVID-19 | |
| Stanislav Yanev, George N. Chaldakov | 125-133 |
| In defense of the murburn explanation for aerobic respiration | |
| Kelath Murali Manoj | 135-148 |
| Supplementary information in defense of murburn explanation for aerobic respiration | |
| Kelath Murali Manoj | 149-160 |
| The murburn precepts for photoreception | |
| Kelath Murali Manoj, Vivian David Jacob | 67-74 |
| Platelet-rich fibrin treatment of medication-related osteonecrosis of the jaw followed up for two years | |
| Meri Hristamyan, Veselka Hristamyan | 161-163 |
| A sample copy of the textbook Principles of Cell and Tissue Biology | |
| George N. Chaldakov | 165-192 |